You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
OneAuth/oaweb/public/cherry/drawio/EditorUi.js

6185 lines
177 KiB
JavaScript

1 year ago
/**
* Copyright (c) 2006-2012, JGraph Ltd
*/
/**
* Constructs a new graph editor
*/
EditorUi = function (editor, container, lightbox) {
mxEventSource.call(this);
this.destroyFunctions = [];
this.editor = editor || new Editor();
this.container = container || document.body;
var ui = this;
var graph = this.editor.graph;
graph.lightbox = lightbox;
// Overrides graph bounds to include background images
var graphGetGraphBounds = graph.getGraphBounds;
graph.getGraphBounds = function () {
var bounds = graphGetGraphBounds.apply(this, arguments);
var img = this.backgroundImage;
if (img != null && img.width != null && img.height != null) {
var t = this.view.translate;
var s = this.view.scale;
bounds = mxRectangle.fromRectangle(bounds);
bounds.add(new mxRectangle(
(t.x + img.x) * s, (t.y + img.y) * s,
img.width * s, img.height * s));
}
return bounds;
};
// Faster scrollwheel zoom is possible with CSS transforms
if (graph.useCssTransforms) {
this.lazyZoomDelay = 0;
}
// Pre-fetches submenu image or replaces with embedded image if supported
if (mxClient.IS_SVG) {
mxPopupMenu.prototype.submenuImage = 'data:image/gif;base64,R0lGODlhCQAJAIAAAP///zMzMyH5BAEAAAAALAAAAAAJAAkAAAIPhI8WebHsHopSOVgb26AAADs=';
}
else {
new Image().src = mxPopupMenu.prototype.submenuImage;
}
// Pre-fetches connect image
if (!mxClient.IS_SVG && mxConnectionHandler.prototype.connectImage != null) {
new Image().src = mxConnectionHandler.prototype.connectImage.src;
}
// Installs selection state listener
this.selectionStateListener = mxUtils.bind(this, function (sender, evt) {
this.clearSelectionState();
});
graph.getSelectionModel().addListener(mxEvent.CHANGE, this.selectionStateListener);
graph.getModel().addListener(mxEvent.CHANGE, this.selectionStateListener);
graph.addListener(mxEvent.EDITING_STARTED, this.selectionStateListener);
graph.addListener(mxEvent.EDITING_STOPPED, this.selectionStateListener);
graph.getView().addListener('unitChanged', this.selectionStateListener);
// Disables graph and forced panning in chromeless mode
if (this.editor.chromeless && !this.editor.editable) {
this.footerHeight = 0;
graph.isEnabled = function () { return false; };
graph.panningHandler.isForcePanningEvent = function (me) {
return !mxEvent.isPopupTrigger(me.getEvent());
};
}
// Creates the user interface
this.actions = new Actions(this);
this.menus = this.createMenus();
if (!graph.standalone) {
// Stores the current style and assigns it to new cells
var styles = ['rounded', 'shadow', 'glass', 'dashed', 'dashPattern', 'labelBackgroundColor',
'labelBorderColor', 'comic', 'sketch', 'fillWeight', 'hachureGap', 'hachureAngle', 'jiggle',
'disableMultiStroke', 'disableMultiStrokeFill', 'fillStyle', 'curveFitting',
'simplification', 'sketchStyle', 'pointerEvents', 'strokeColor', 'strokeWidth'];
var connectStyles = ['shape', 'edgeStyle', 'curved', 'rounded', 'elbow', 'jumpStyle', 'jumpSize',
'comic', 'sketch', 'fillWeight', 'hachureGap', 'hachureAngle', 'jiggle',
'disableMultiStroke', 'disableMultiStrokeFill', 'fillStyle', 'curveFitting',
'simplification', 'sketchStyle'];
// Styles to be ignored if applyAll is false
var ignoredEdgeStyles = ['curved', 'sourcePerimeterSpacing', 'targetPerimeterSpacing',
'startArrow', 'startFill', 'startSize', 'endArrow', 'endFill', 'endSize'];
var vertexStyleIgnored = false;
var edgeStyleIgnored = false;
// Note: Everything that is not in styles is ignored (styles is augmented below)
this.setDefaultStyle = function (cell) {
try {
if (graph.getModel().isEdge(cell)) {
edgeStyleIgnored = false;
}
else {
vertexStyleIgnored = false;
}
var style = graph.getCellStyle(cell, false);
var values = [];
var keys = [];
for (var key in style) {
values.push(style[key]);
keys.push(key);
}
// Resets current style
if (graph.getModel().isEdge(cell)) {
graph.currentEdgeStyle = {};
}
else {
graph.currentVertexStyle = {}
}
this.fireEvent(new mxEventObject('styleChanged',
'keys', keys, 'values', values,
'cells', [cell], 'force', true));
// Blocks update of default style with style changes
// once the it was set using this function
if (graph.getModel().isEdge(cell)) {
edgeStyleIgnored = true;
}
else {
vertexStyleIgnored = true;
}
}
catch (e) {
this.handleError(e);
}
};
this.clearDefaultStyle = function () {
graph.currentEdgeStyle = mxUtils.clone(graph.defaultEdgeStyle);
graph.currentVertexStyle = mxUtils.clone(graph.defaultVertexStyle);
edgeStyleIgnored = false;
vertexStyleIgnored = false;
// Updates UI
this.fireEvent(new mxEventObject('styleChanged', 'keys', [], 'values', [], 'cells', []));
};
// Keys that should be ignored if the cell has a value (known: new default for all cells is html=1 so
// for the html key this effecticely only works for edges inserted via the connection handler)
var valueStyles = ['fontFamily', 'fontSource', 'fontSize', 'fontColor'];
for (var i = 0; i < valueStyles.length; i++) {
if (mxUtils.indexOf(styles, valueStyles[i]) < 0) {
styles.push(valueStyles[i]);
}
}
// Keys that always update the current edge style regardless of selection
var alwaysEdgeStyles = ['edgeStyle', 'startArrow', 'startFill', 'startSize', 'endArrow',
'endFill', 'endSize'];
// Keys that are ignored together (if one appears all are ignored)
var keyGroups = [['startArrow', 'startFill', 'endArrow', 'endFill'],
['startSize', 'endSize'],
['sourcePerimeterSpacing', 'targetPerimeterSpacing'],
['fillColor', 'gradientColor', 'gradientDirection'],
['opacity'],
['html']];
// Adds all keys used above to the styles array
for (var i = 0; i < keyGroups.length; i++) {
for (var j = 0; j < keyGroups[i].length; j++) {
styles.push(keyGroups[i][j]);
}
}
for (var i = 0; i < connectStyles.length; i++) {
if (mxUtils.indexOf(styles, connectStyles[i]) < 0) {
styles.push(connectStyles[i]);
}
}
// Implements a global current style for edges and vertices that is applied to new cells
var insertHandler = function (cells, asText, model, vertexStyle, edgeStyle, applyAll, recurse) {
vertexStyle = (vertexStyle != null) ? vertexStyle : graph.currentVertexStyle;
edgeStyle = (edgeStyle != null) ? edgeStyle : graph.currentEdgeStyle;
applyAll = (applyAll != null) ? applyAll : true;
model = (model != null) ? model : graph.getModel();
if (recurse) {
var temp = [];
for (var i = 0; i < cells.length; i++) {
temp = temp.concat(model.getDescendants(cells[i]));
}
cells = temp;
}
model.beginUpdate();
try {
for (var i = 0; i < cells.length; i++) {
var cell = cells[i];
var isText = asText;
var appliedStyles;
// Applies basic text styles for cells with text class
if (cell.style != null && !isText) {
pairs = cell.style.split(';');
isText = isText || mxUtils.indexOf(pairs, 'text') >= 0;
}
if (isText) {
// Applies only basic text styles
appliedStyles = ['fontSize', 'fontFamily', 'fontColor'];
}
else {
// Removes styles defined in the cell style from the styles to be applied
var cellStyle = model.getStyle(cell);
var tokens = (cellStyle != null) ? cellStyle.split(';') : [];
appliedStyles = styles.slice();
for (var j = 0; j < tokens.length; j++) {
var tmp = tokens[j];
var pos = tmp.indexOf('=');
if (pos >= 0) {
var key = tmp.substring(0, pos);
var index = mxUtils.indexOf(appliedStyles, key);
if (index >= 0) {
appliedStyles.splice(index, 1);
}
// Handles special cases where one defined style ignores other styles
for (var k = 0; k < keyGroups.length; k++) {
var group = keyGroups[k];
if (mxUtils.indexOf(group, key) >= 0) {
for (var l = 0; l < group.length; l++) {
var index2 = mxUtils.indexOf(appliedStyles, group[l]);
if (index2 >= 0) {
appliedStyles.splice(index2, 1);
}
}
}
}
}
}
}
// Applies the current style to the cell
var edge = model.isEdge(cell);
var current = (edge) ? edgeStyle : vertexStyle;
var newStyle = model.getStyle(cell);
for (var j = 0; j < appliedStyles.length; j++) {
var key = appliedStyles[j];
var styleValue = current[key];
if (styleValue != null && key != 'edgeStyle' && (key != 'shape' || edge)) {
// Special case: Connect styles are not applied here but in the connection handler
if (!edge || applyAll || mxUtils.indexOf(ignoredEdgeStyles, key) < 0) {
newStyle = mxUtils.setStyle(newStyle, key, styleValue);
}
}
}
if (Editor.simpleLabels) {
newStyle = mxUtils.setStyle(mxUtils.setStyle(
newStyle, 'html', null), 'whiteSpace', null);
}
model.setStyle(cell, newStyle);
}
}
finally {
model.endUpdate();
}
return cells;
};
graph.addListener('cellsInserted', function (sender, evt) {
insertHandler(evt.getProperty('cells'), null, null, null, null, true, true);
});
graph.addListener('textInserted', function (sender, evt) {
insertHandler(evt.getProperty('cells'), true);
});
this.insertHandler = insertHandler;
this.createDivs();
this.createUi();
this.refresh();
// Disables HTML and text selection
var textEditing = mxUtils.bind(this, function (evt) {
if (evt == null) {
evt = window.event;
}
return graph.isEditing() || (evt != null && this.isSelectionAllowed(evt));
});
// Disables text selection while not editing and no dialog visible
if (this.container == document.body) {
this.menubarContainer.onselectstart = textEditing;
this.menubarContainer.onmousedown = textEditing;
this.toolbarContainer.onselectstart = textEditing;
this.toolbarContainer.onmousedown = textEditing;
this.diagramContainer.onselectstart = textEditing;
this.diagramContainer.onmousedown = textEditing;
this.sidebarContainer.onselectstart = textEditing;
this.sidebarContainer.onmousedown = textEditing;
this.formatContainer.onselectstart = textEditing;
this.formatContainer.onmousedown = textEditing;
this.footerContainer.onselectstart = textEditing;
this.footerContainer.onmousedown = textEditing;
if (this.tabContainer != null) {
// Mouse down is needed for drag and drop
this.tabContainer.onselectstart = textEditing;
}
// Workaround for rubberband selection on iPadOS 16
// Avoid on previous versions to allow label editing
if (mxClient.IS_IOS) {
function iOSversion() {
if (/iP(hone|od|ad)/.test(navigator.platform)) {
// supports iOS 2.0 and later: <http://bit.ly/TJjs1V>
var v = (navigator.appVersion).match(/OS (\d+)_(\d+)_?(\d+)?/);
return [parseInt(v[1], 10), parseInt(v[2], 10), parseInt(v[3] || 0, 10)];
}
}
var ver = iOSversion();
if (ver != null && ver[0] >= 16) {
mxUtils.setPrefixedStyle(this.menubarContainer.style, 'userSelect', 'none');
mxUtils.setPrefixedStyle(this.diagramContainer.style, 'userSelect', 'none');
mxUtils.setPrefixedStyle(this.sidebarContainer.style, 'userSelect', 'none');
mxUtils.setPrefixedStyle(this.formatContainer.style, 'userSelect', 'none');
mxUtils.setPrefixedStyle(this.footerContainer.style, 'userSelect', 'none');
if (this.tabContainer != null) {
mxUtils.setPrefixedStyle(this.tabContainer.style, 'userSelect', 'none');
}
}
}
}
// And uses built-in context menu while editing
if (!this.editor.chromeless || this.editor.editable) {
// Allows context menu for links in hints
var linkHandler = function (evt) {
if (evt != null) {
var source = mxEvent.getSource(evt);
if (source.nodeName == 'A') {
while (source != null) {
if (source.className == 'geHint') {
return true;
}
source = source.parentNode;
}
}
}
return textEditing(evt);
};
if (mxClient.IS_IE && (typeof (document.documentMode) === 'undefined' || document.documentMode < 9)) {
mxEvent.addListener(this.diagramContainer, 'contextmenu', linkHandler);
}
else {
// Allows browser context menu outside of diagram and sidebar
this.diagramContainer.oncontextmenu = linkHandler;
}
}
else {
graph.panningHandler.usePopupTrigger = false;
}
// Contains the main graph instance inside the given panel
graph.init(this.diagramContainer);
// Improves line wrapping for in-place editor
if (mxClient.IS_SVG && graph.view.getDrawPane() != null) {
var root = graph.view.getDrawPane().ownerSVGElement;
if (root != null) {
root.style.position = 'absolute';
}
}
// Creates hover icons
this.hoverIcons = this.createHoverIcons();
// Hides hover icons when cells are moved
if (graph.graphHandler != null) {
var graphHandlerStart = graph.graphHandler.start;
graph.graphHandler.start = function () {
if (ui.hoverIcons != null) {
ui.hoverIcons.reset();
}
graphHandlerStart.apply(this, arguments);
};
}
// Adds tooltip when mouse is over scrollbars to show space-drag panning option
mxEvent.addListener(this.diagramContainer, 'mousemove', mxUtils.bind(this, function (evt) {
var off = mxUtils.getOffset(this.diagramContainer);
if (mxEvent.getClientX(evt) - off.x - this.diagramContainer.clientWidth > 0 ||
mxEvent.getClientY(evt) - off.y - this.diagramContainer.clientHeight > 0) {
this.diagramContainer.setAttribute('title', mxResources.get('panTooltip'));
}
else {
this.diagramContainer.removeAttribute('title');
}
}));
// Overrides hovericons to disable while space key is pressed
var hoverIconsIsResetEvent = this.hoverIcons.isResetEvent;
this.hoverIcons.isResetEvent = function (evt, allowShift) {
return ui.isSpaceDown() || hoverIconsIsResetEvent.apply(this, arguments);
};
this.keydownHandler = mxUtils.bind(this, function (evt) {
if (evt.which == 16 /* Shift */) {
this.shiftDown = true;
}
else if (evt.which == 32 /* Space */ && !graph.isEditing()) {
this.spaceDown = true;
this.hoverIcons.reset();
graph.container.style.cursor = 'move';
// Disables scroll after space keystroke with scrollbars
if (!graph.isEditing() && mxEvent.getSource(evt) == graph.container) {
mxEvent.consume(evt);
}
}
else if (!mxEvent.isConsumed(evt) && evt.keyCode == 27 /* Escape */) {
this.hideDialog(null, true);
}
});
mxEvent.addListener(document, 'keydown', this.keydownHandler);
this.keyupHandler = mxUtils.bind(this, function (evt) {
graph.container.style.cursor = '';
this.spaceDown = false;
this.shiftDown = false;
});
mxEvent.addListener(document, 'keyup', this.keyupHandler);
// Forces panning for middle and right mouse buttons
var panningHandlerIsForcePanningEvent = graph.panningHandler.isForcePanningEvent;
graph.panningHandler.isForcePanningEvent = function (me) {
// Ctrl+left button is reported as right button in FF on Mac
return panningHandlerIsForcePanningEvent.apply(this, arguments) ||
ui.isSpaceDown() || (mxEvent.isMouseEvent(me.getEvent()) &&
(this.usePopupTrigger || !mxEvent.isPopupTrigger(me.getEvent())) &&
((!mxEvent.isControlDown(me.getEvent()) &&
mxEvent.isRightMouseButton(me.getEvent())) ||
mxEvent.isMiddleMouseButton(me.getEvent())));
};
// Ctrl/Cmd+Enter applies editing value except in Safari where Ctrl+Enter creates
// a new line (while Enter creates a new paragraph and Shift+Enter stops)
var cellEditorIsStopEditingEvent = graph.cellEditor.isStopEditingEvent;
graph.cellEditor.isStopEditingEvent = function (evt) {
return cellEditorIsStopEditingEvent.apply(this, arguments) ||
(evt.keyCode == 13 && ((!mxClient.IS_SF && mxEvent.isControlDown(evt)) ||
(mxClient.IS_MAC && mxEvent.isMetaDown(evt)) ||
(mxClient.IS_SF && mxEvent.isShiftDown(evt))));
};
// Adds space+wheel for zoom
var graphIsZoomWheelEvent = graph.isZoomWheelEvent;
graph.isZoomWheelEvent = function () {
return ui.isSpaceDown() || graphIsZoomWheelEvent.apply(this, arguments);
};
// Switches toolbar for text editing
var textMode = false;
var fontMenu = null;
var sizeMenu = null;
var nodes = null;
var updateToolbar = mxUtils.bind(this, function () {
if (this.toolbar != null && textMode != graph.cellEditor.isContentEditing()) {
var node = this.toolbar.container.firstChild;
var newNodes = [];
while (node != null) {
var tmp = node.nextSibling;
if (mxUtils.indexOf(this.toolbar.staticElements, node) < 0) {
node.parentNode.removeChild(node);
newNodes.push(node);
}
node = tmp;
}
// Saves references to special items
var tmp1 = this.toolbar.fontMenu;
var tmp2 = this.toolbar.sizeMenu;
if (nodes == null) {
this.toolbar.createTextToolbar();
}
else {
for (var i = 0; i < nodes.length; i++) {
this.toolbar.container.appendChild(nodes[i]);
}
// Restores references to special items
this.toolbar.fontMenu = fontMenu;
this.toolbar.sizeMenu = sizeMenu;
}
textMode = graph.cellEditor.isContentEditing();
fontMenu = tmp1;
sizeMenu = tmp2;
nodes = newNodes;
}
});
// Overrides cell editor to update toolbar
var cellEditorStartEditing = graph.cellEditor.startEditing;
graph.cellEditor.startEditing = function () {
cellEditorStartEditing.apply(this, arguments);
updateToolbar();
if (graph.cellEditor.isContentEditing()) {
var updating = false;
var updateCssHandler = function () {
if (!updating) {
updating = true;
window.setTimeout(function () {
var node = graph.getSelectedEditingElement();
if (node != null) {
var css = mxUtils.getCurrentStyle(node);
if (css != null && ui.toolbar != null) {
ui.toolbar.setFontName(Graph.stripQuotes(css.fontFamily));
ui.toolbar.setFontSize(parseInt(css.fontSize));
}
}
updating = false;
}, 0);
}
};
mxEvent.addListener(graph.cellEditor.textarea, 'input', updateCssHandler)
mxEvent.addListener(graph.cellEditor.textarea, 'touchend', updateCssHandler);
mxEvent.addListener(graph.cellEditor.textarea, 'mouseup', updateCssHandler);
mxEvent.addListener(graph.cellEditor.textarea, 'keyup', updateCssHandler);
updateCssHandler();
}
};
// Updates toolbar and handles possible errors
var cellEditorStopEditing = graph.cellEditor.stopEditing;
graph.cellEditor.stopEditing = function (cell, trigger) {
try {
cellEditorStopEditing.apply(this, arguments);
updateToolbar();
}
catch (e) {
ui.handleError(e);
}
};
// Enables scrollbars and sets cursor style for the container
graph.container.setAttribute('tabindex', '0');
graph.container.style.cursor = 'default';
// Workaround for page scroll if embedded via iframe
if (window.self === window.top && graph.container.parentNode != null) {
try {
graph.container.focus();
}
catch (e) {
// ignores error in old versions of IE
}
}
// Keeps graph container focused on mouse down
var graphFireMouseEvent = graph.fireMouseEvent;
graph.fireMouseEvent = function (evtName, me, sender) {
try {
if (evtName == mxEvent.MOUSE_DOWN) {
this.container.focus();
}
graphFireMouseEvent.apply(this, arguments);
}
catch (e) {
ui.handleError(e);
}
};
// Adds error handling for foldCells
var graphFoldCells = graph.foldCells;
graph.foldCells = function (collapse, recurse, cells, checkFoldable, evt) {
try {
graphFoldCells.apply(this, arguments);
}
catch (e) {
ui.handleError(e);
}
};
// Configures automatic expand on mouseover
graph.popupMenuHandler.autoExpand = true;
// Installs context menu
if (this.menus != null) {
graph.popupMenuHandler.factoryMethod = mxUtils.bind(this, function (menu, cell, evt) {
this.menus.createPopupMenu(menu, cell, evt);
});
}
// Hides context menu
mxEvent.addGestureListeners(document, mxUtils.bind(this, function (evt) {
graph.popupMenuHandler.hideMenu();
}));
// Create handler for key events
this.keyHandler = this.createKeyHandler(editor);
// Getter for key handler
this.getKeyHandler = function () {
return keyHandler;
};
graph.connectionHandler.addListener(mxEvent.CONNECT, function (sender, evt) {
var cells = [evt.getProperty('cell')];
if (evt.getProperty('terminalInserted')) {
cells.push(evt.getProperty('terminal'));
window.setTimeout(function () {
if (ui.hoverIcons != null) {
ui.hoverIcons.update(graph.view.getState(cells[cells.length - 1]));
}
}, 0);
}
insertHandler(cells);
});
this.addListener('styleChanged', mxUtils.bind(this, function (sender, evt) {
var force = evt.getProperty('force');
// Checks if edges and/or vertices were modified
if (this.updateDefaultStyle || force) {
var cells = evt.getProperty('cells');
var vertex = false;
var edge = false;
if (cells.length > 0) {
for (var i = 0; i < cells.length; i++) {
vertex = graph.getModel().isVertex(cells[i]) || vertex;
edge = graph.getModel().isEdge(cells[i]) || edge;
if (edge && vertex) {
break;
}
}
}
else {
vertex = true;
edge = true;
}
vertex = vertex && !vertexStyleIgnored;
edge = edge && !edgeStyleIgnored;
var keys = evt.getProperty('keys');
var values = evt.getProperty('values');
for (var i = 0; i < keys.length; i++) {
var common = mxUtils.indexOf(valueStyles, keys[i]) >= 0;
// Ignores transparent stroke colors
if (keys[i] != 'strokeColor' || (values[i] != null && values[i] != 'none')) {
// Special case: Edge style and shape
if (mxUtils.indexOf(connectStyles, keys[i]) >= 0) {
if (edge || mxUtils.indexOf(alwaysEdgeStyles, keys[i]) >= 0) {
if (values[i] == null) {
delete graph.currentEdgeStyle[keys[i]];
}
else {
graph.currentEdgeStyle[keys[i]] = values[i];
}
}
// Uses style for vertex if defined in styles
else if (vertex && mxUtils.indexOf(styles, keys[i]) >= 0) {
if (values[i] == null) {
delete graph.currentVertexStyle[keys[i]];
}
else {
graph.currentVertexStyle[keys[i]] = values[i];
}
}
}
else if (mxUtils.indexOf(styles, keys[i]) >= 0) {
if (vertex || common) {
if (values[i] == null) {
delete graph.currentVertexStyle[keys[i]];
}
else {
graph.currentVertexStyle[keys[i]] = values[i];
}
}
if (edge || common || mxUtils.indexOf(alwaysEdgeStyles, keys[i]) >= 0) {
if (values[i] == null) {
delete graph.currentEdgeStyle[keys[i]];
}
else {
graph.currentEdgeStyle[keys[i]] = values[i];
}
}
}
}
}
}
if (this.toolbar != null) {
this.toolbar.setFontName(graph.currentVertexStyle['fontFamily'] || Menus.prototype.defaultFont);
this.toolbar.setFontSize(graph.currentVertexStyle['fontSize'] || Menus.prototype.defaultFontSize);
if (this.toolbar.edgeStyleMenu != null) {
// Updates toolbar icon for edge style
var edgeStyleDiv = this.toolbar.edgeStyleMenu.getElementsByTagName('div')[0];
if (graph.currentEdgeStyle['edgeStyle'] == 'orthogonalEdgeStyle' && graph.currentEdgeStyle['curved'] == '1') {
edgeStyleDiv.className = 'geSprite geSprite-curved';
}
else if (graph.currentEdgeStyle['edgeStyle'] == 'straight' || graph.currentEdgeStyle['edgeStyle'] == 'none' ||
graph.currentEdgeStyle['edgeStyle'] == null) {
edgeStyleDiv.className = 'geSprite geSprite-straight';
}
else if (graph.currentEdgeStyle['edgeStyle'] == 'entityRelationEdgeStyle') {
edgeStyleDiv.className = 'geSprite geSprite-entity';
}
else if (graph.currentEdgeStyle['edgeStyle'] == 'elbowEdgeStyle') {
edgeStyleDiv.className = 'geSprite geSprite-' + ((graph.currentEdgeStyle['elbow'] == 'vertical') ?
'verticalelbow' : 'horizontalelbow');
}
else if (graph.currentEdgeStyle['edgeStyle'] == 'isometricEdgeStyle') {
edgeStyleDiv.className = 'geSprite geSprite-' + ((graph.currentEdgeStyle['elbow'] == 'vertical') ?
'verticalisometric' : 'horizontalisometric');
}
else {
edgeStyleDiv.className = 'geSprite geSprite-orthogonal';
}
}
if (this.toolbar.edgeShapeMenu != null) {
// Updates icon for edge shape
var edgeShapeDiv = this.toolbar.edgeShapeMenu.getElementsByTagName('div')[0];
if (graph.currentEdgeStyle['shape'] == 'link') {
edgeShapeDiv.className = 'geSprite geSprite-linkedge';
}
else if (graph.currentEdgeStyle['shape'] == 'flexArrow') {
edgeShapeDiv.className = 'geSprite geSprite-arrow';
}
else if (graph.currentEdgeStyle['shape'] == 'arrow') {
edgeShapeDiv.className = 'geSprite geSprite-simplearrow';
}
else {
edgeShapeDiv.className = 'geSprite geSprite-connection';
}
}
}
}));
// Update font size and font family labels
if (this.toolbar != null) {
var update = mxUtils.bind(this, function () {
var ff = graph.currentVertexStyle['fontFamily'] || 'Helvetica';
var fs = String(graph.currentVertexStyle['fontSize'] || '12');
var state = graph.getView().getState(graph.getSelectionCell());
if (state != null) {
ff = state.style[mxConstants.STYLE_FONTFAMILY] || ff;
fs = state.style[mxConstants.STYLE_FONTSIZE] || fs;
if (ff.length > 10) {
ff = ff.substring(0, 8) + '...';
}
}
this.toolbar.setFontName(ff);
this.toolbar.setFontSize(fs);
});
graph.getSelectionModel().addListener(mxEvent.CHANGE, update);
graph.getModel().addListener(mxEvent.CHANGE, update);
}
// Makes sure the current layer is visible when cells are added
graph.addListener(mxEvent.CELLS_ADDED, function (sender, evt) {
var cells = evt.getProperty('cells');
var parent = evt.getProperty('parent');
if (parent != null && graph.getModel().isLayer(parent) &&
!graph.isCellVisible(parent) && cells != null &&
cells.length > 0) {
graph.getModel().setVisible(parent, true);
}
});
// Global handler to hide the current menu
this.gestureHandler = mxUtils.bind(this, function (evt) {
if (this.currentMenu != null && mxEvent.getSource(evt) != this.currentMenu.div) {
this.hideCurrentMenu();
}
});
mxEvent.addGestureListeners(document, this.gestureHandler);
// Updates the editor UI after the window has been resized or the orientation changes
// Timeout is workaround for old IE versions which have a delay for DOM client sizes.
var resizeThread = null;
this.resizeHandler = mxUtils.bind(this, function () {
if (resizeThread != null) {
window.clearTimeout(resizeThread);
}
resizeThread = window.setTimeout(mxUtils.bind(this, function () {
resizeThread = null;
this.windowResized();
}), 100);
});
mxEvent.addListener(window, 'resize', this.resizeHandler);
this.orientationChangeHandler = mxUtils.bind(this, function () {
this.refresh();
});
mxEvent.addListener(window, 'orientationchange', this.orientationChangeHandler);
// Workaround for bug on iOS see
// http://stackoverflow.com/questions/19012135/ios-7-ipad-safari-landscape-innerheight-outerheight-layout-issue
if (mxClient.IS_IOS && !window.navigator.standalone && typeof Menus !== 'undefined') {
this.scrollHandler = mxUtils.bind(this, function () {
window.scrollTo(0, 0);
});
mxEvent.addListener(window, 'scroll', this.scrollHandler);
}
/**
* Sets the initial scrollbar locations after a file was loaded.
*/
this.editor.addListener('resetGraphView', mxUtils.bind(this, function () {
this.resetScrollbars();
}));
/**
* Repaints the grid.
*/
this.addListener('gridEnabledChanged', mxUtils.bind(this, function () {
graph.view.validateBackground();
}));
this.addListener('backgroundColorChanged', mxUtils.bind(this, function () {
graph.view.validateBackground();
}));
/**
* Repaints the grid.
*/
graph.addListener('gridSizeChanged', mxUtils.bind(this, function () {
if (graph.isGridEnabled()) {
graph.view.validateBackground();
}
}));
// Resets UI, updates action and menu states
this.editor.resetGraph();
}
this.init();
if (!graph.standalone) {
this.open();
}
};
/**
* Global config that specifies if the compact UI elements should be used.
*/
EditorUi.compactUi = true;
/**
* Static method for pasing PNG files.
*/
EditorUi.parsePng = function (f, fn, error) {
var pos = 0;
function fread(d, count) {
var start = pos;
pos += count;
return d.substring(start, pos);
};
// Reads unsigned long 32 bit big endian
function _freadint(d) {
var bytes = fread(d, 4);
return bytes.charCodeAt(3) + (bytes.charCodeAt(2) << 8) +
(bytes.charCodeAt(1) << 16) + (bytes.charCodeAt(0) << 24);
};
// Checks signature
if (fread(f, 8) != String.fromCharCode(137) + 'PNG' + String.fromCharCode(13, 10, 26, 10)) {
if (error != null) {
error();
}
return;
}
// Reads header chunk
fread(f, 4);
if (fread(f, 4) != 'IHDR') {
if (error != null) {
error();
}
return;
}
fread(f, 17);
do {
var n = _freadint(f);
var type = fread(f, 4);
if (fn != null) {
if (fn(pos - 8, type, n)) {
break;
}
}
value = fread(f, n);
fread(f, 4);
if (type == 'IEND') {
break;
}
}
while (n);
};
// Extends mxEventSource
mxUtils.extend(EditorUi, mxEventSource);
/**
* Specifies the size of the split bar.
*/
EditorUi.prototype.splitSize = (mxClient.IS_TOUCH || mxClient.IS_POINTER) ? 12 : 8;
/**
* Specifies the height of the menubar. Default is 30.
*/
EditorUi.prototype.menubarHeight = 30;
/**
* Specifies the width of the format panel should be enabled. Default is true.
*/
EditorUi.prototype.formatEnabled = true;
/**
* Specifies the width of the format panel. Default is 240.
*/
EditorUi.prototype.formatWidth = 240;
/**
* Specifies the height of the toolbar. Default is 38.
*/
EditorUi.prototype.toolbarHeight = 38;
/**
* Specifies the height of the footer. Default is 28.
*/
EditorUi.prototype.footerHeight = 28;
/**
* Specifies the position of the horizontal split bar. Default is 240 or 118 for
* screen widths <= 640px.
*/
EditorUi.prototype.hsplitPosition = (screen.width <= Editor.smallScreenWidth) ? 0 :
((urlParams['sidebar-entries'] != 'large') ? 212 : 240);
/**
* Specifies if animations are allowed in <executeLayout>. Default is true.
*/
EditorUi.prototype.allowAnimation = true;
/**
* Default is 2.
*/
EditorUi.prototype.lightboxMaxFitScale = 2;
/**
* Default is 4.
*/
EditorUi.prototype.lightboxVerticalDivider = 4;
/**
* Specifies if single click on horizontal split should collapse sidebar. Default is false.
*/
EditorUi.prototype.hsplitClickEnabled = false;
/**
* Whether the default styles should be updated when styles are changed. Default is true.
*/
EditorUi.prototype.updateDefaultStyle = false;
/**
* Whether the default styles should be updated when styles are changed. Default is true.
*/
EditorUi.prototype.spaceDown = false;
/**
* Whether the default styles should be updated when styles are changed. Default is true.
*/
EditorUi.prototype.shiftDown = false;
/**
* Installs the listeners to update the action states.
*/
EditorUi.prototype.init = function () {
var graph = this.editor.graph;
if (!graph.standalone) {
if (urlParams['shape-picker'] != '0') {
this.installShapePicker();
}
// Hides tooltips and connection points when scrolling
mxEvent.addListener(graph.container, 'scroll', mxUtils.bind(this, function () {
graph.tooltipHandler.hide();
if (graph.connectionHandler != null && graph.connectionHandler.constraintHandler != null) {
graph.connectionHandler.constraintHandler.reset();
}
}));
// Hides tooltip on escape
graph.addListener(mxEvent.ESCAPE, mxUtils.bind(this, function () {
graph.tooltipHandler.hide();
var rb = graph.getRubberband();
if (rb != null) {
rb.cancel();
}
}));
mxEvent.addListener(graph.container, 'keydown', mxUtils.bind(this, function (evt) {
this.onKeyDown(evt);
}));
mxEvent.addListener(graph.container, 'keypress', mxUtils.bind(this, function (evt) {
this.onKeyPress(evt);
}));
// Updates action states
this.addUndoListener();
this.addBeforeUnloadListener();
graph.getSelectionModel().addListener(mxEvent.CHANGE, mxUtils.bind(this, function () {
this.updateActionStates();
}));
graph.getModel().addListener(mxEvent.CHANGE, mxUtils.bind(this, function () {
this.updateActionStates();
}));
// Changes action states after change of default parent
var graphSetDefaultParent = graph.setDefaultParent;
var ui = this;
this.editor.graph.setDefaultParent = function () {
graphSetDefaultParent.apply(this, arguments);
ui.updateActionStates();
};
// Hack to make showLinkDialog and editLink available in vertex handler
graph.showLinkDialog = mxUtils.bind(ui, ui.showLinkDialog);
graph.editLink = ui.actions.get('editLink').funct;
this.updateActionStates();
this.initClipboard();
this.initCanvas();
if (this.format != null) {
this.format.init();
}
}
};
/**
* Returns information about the current selection.
*/
EditorUi.prototype.clearSelectionState = function () {
this.selectionState = null;
};
/**
* Returns information about the current selection.
*/
EditorUi.prototype.getSelectionState = function () {
if (this.selectionState == null) {
this.selectionState = this.createSelectionState();
}
return this.selectionState;
};
/**
* Returns information about the current selection.
*/
EditorUi.prototype.createSelectionState = function () {
var graph = this.editor.graph;
var cells = graph.getSelectionCells();
var result = this.initSelectionState();
var initial = true;
for (var i = 0; i < cells.length; i++) {
var style = graph.getCurrentCellStyle(cells[i]);
if (mxUtils.getValue(style, mxConstants.STYLE_EDITABLE, '1') != '0') {
this.updateSelectionStateForCell(result, cells[i], cells, initial);
initial = false;
}
}
this.updateSelectionStateForTableCells(result);
return result;
};
/**
* Returns information about the current selection.
*/
EditorUi.prototype.initSelectionState = function () {
return {
vertices: [], edges: [], cells: [], x: null, y: null, width: null, height: null,
style: {}, containsImage: false, containsLabel: false, fill: true, glass: true,
rounded: true, autoSize: false, image: false, shadow: true, lineJumps: true, resizable: true,
table: false, cell: false, row: false, movable: true, rotatable: true, stroke: true,
swimlane: false, unlocked: this.editor.graph.isEnabled(), connections: false
};
};
/**
* Adds information about current selected table cells range.
*/
EditorUi.prototype.updateSelectionStateForTableCells = function (result) {
if (result.cells.length > 1 && result.cell) {
var cells = mxUtils.sortCells(result.cells);
var model = this.editor.graph.model;
var parent = model.getParent(cells[0]);
var table = model.getParent(parent);
if (parent != null && table != null) {
var col = parent.getIndex(cells[0]);
var row = table.getIndex(parent);
var lastspan = null;
var colspan = 1;
var rowspan = 1;
var index = 0;
var nextRowCell = (row < table.getChildCount() - 1) ?
model.getChildAt(model.getChildAt(
table, row + 1), col) : null;
while (index < cells.length - 1) {
var next = cells[++index];
if (nextRowCell != null && nextRowCell == next &&
(lastspan == null || colspan == lastspan)) {
lastspan = colspan;
colspan = 0;
rowspan++;
parent = model.getParent(nextRowCell);
nextRowCell = (row + rowspan < table.getChildCount()) ?
model.getChildAt(model.getChildAt(
table, row + rowspan), col) : null;
}
var state = this.editor.graph.view.getState(next);
if (next == model.getChildAt(parent, col + colspan) && state != null &&
mxUtils.getValue(state.style, 'colspan', 1) == 1 &&
mxUtils.getValue(state.style, 'rowspan', 1) == 1) {
colspan++;
}
else {
break;
}
}
if (index == rowspan * colspan - 1) {
result.mergeCell = cells[0];
result.colspan = colspan;
result.rowspan = rowspan;
}
}
}
};
/**
* Returns information about the current selection.
*/
EditorUi.prototype.windowResized = function () {
window.setTimeout(mxUtils.bind(this, function () {
if (this.editor.graph != null) {
this.refresh();
}
}), 0);
};
/**
* Returns information about the current selection.
*/
EditorUi.prototype.createTimeout = function (timeout, fn, error) {
var acceptResponse = true;
var result = null;
var handleError = mxUtils.bind(this, function (e) {
if (result.clear()) {
acceptResponse = false;
e = (e != null) ? e : {
code: App.ERROR_TIMEOUT,
message: mxResources.get('timeout'),
retry: mxUtils.bind(this, function () {
this.createTimeout(timeout, fn, error);
})
};
if (error != null) {
error(e);
}
else {
this.handleError(e);
}
}
});
var timeoutThread = window.setTimeout(handleError,
(timeout != null) ? timeout : this.timeout);
var result = {
clear: function () {
window.clearTimeout(timeoutThread);
return acceptResponse;
},
isAlive: function () {
return acceptResponse;
}
};
if (fn != null) {
this.tryAndHandle(mxUtils.bind(this, function () {
fn(result);
}), handleError);
}
return result;
};
/**
* Returns information about the current selection.
*/
EditorUi.prototype.tryAndHandle = function (fn, error) {
try {
fn();
}
catch (e) {
if (error != null) {
error(e);
}
else {
this.handleError(e);
}
}
};
/**
* Returns information about the current selection.
*/
EditorUi.prototype.updateSelectionStateForCell = function (result, cell, cells, initial) {
var graph = this.editor.graph;
result.cells.push(cell);
if (graph.getModel().isVertex(cell)) {
result.connections = graph.model.getEdgeCount(cell) > 0;
result.unlocked = result.unlocked && !graph.isCellLocked(cell);
result.resizable = result.resizable && graph.isCellResizable(cell);
result.rotatable = result.rotatable && graph.isCellRotatable(cell);
result.movable = result.movable && graph.isCellMovable(cell) &&
!graph.isTableRow(cell) && !graph.isTableCell(cell);
result.swimlane = result.swimlane || graph.isSwimlane(cell);
result.table = result.table || graph.isTable(cell);
result.cell = result.cell || graph.isTableCell(cell);
result.row = result.row || graph.isTableRow(cell);
result.vertices.push(cell);
var geo = graph.getCellGeometry(cell);
if (geo != null) {
if (geo.width > 0) {
if (result.width == null) {
result.width = geo.width;
}
else if (result.width != geo.width) {
result.width = '';
}
}
else {
result.containsLabel = true;
}
if (geo.height > 0) {
if (result.height == null) {
result.height = geo.height;
}
else if (result.height != geo.height) {
result.height = '';
}
}
else {
result.containsLabel = true;
}
if (!geo.relative || geo.offset != null) {
var x = (geo.relative) ? geo.offset.x : geo.x;
var y = (geo.relative) ? geo.offset.y : geo.y;
if (result.x == null) {
result.x = x;
}
else if (result.x != x) {
result.x = '';
}
if (result.y == null) {
result.y = y;
}
else if (result.y != y) {
result.y = '';
}
}
}
}
else if (graph.getModel().isEdge(cell)) {
result.edges.push(cell);
result.connections = true;
result.resizable = false;
result.rotatable = false;
result.movable = false;
}
var state = graph.view.getState(cell);
if (state != null) {
result.autoSize = result.autoSize || graph.isAutoSizeState(state);
result.glass = result.glass && graph.isGlassState(state);
result.rounded = result.rounded && graph.isRoundedState(state);
result.lineJumps = result.lineJumps && graph.isLineJumpState(state);
result.image = result.image || graph.isImageState(state);
result.shadow = result.shadow && graph.isShadowState(state);
result.fill = result.fill && graph.isFillState(state);
result.gradient = result.fill && graph.isGradientState(state);
result.stroke = result.stroke && graph.isStrokeState(state);
var shape = mxUtils.getValue(state.style, mxConstants.STYLE_SHAPE, null);
result.containsImage = result.containsImage || shape == 'image';
graph.mergeStyle(state.style, result.style, initial);
}
};
/**
* Returns true if the given event should start editing. This implementation returns true.
*/
EditorUi.prototype.installShapePicker = function () {
var graph = this.editor.graph;
var ui = this;
// Uses this event to process mouseDown to check the selection state before it is changed
graph.addListener(mxEvent.FIRE_MOUSE_EVENT, mxUtils.bind(this, function (sender, evt) {
if (evt.getProperty('eventName') == 'mouseDown') {
ui.hideShapePicker();
}
}));
var hidePicker = mxUtils.bind(this, function () {
ui.hideShapePicker(true);
});
graph.addListener('wheel', hidePicker);
graph.addListener(mxEvent.ESCAPE, hidePicker);
graph.view.addListener(mxEvent.SCALE, hidePicker);
graph.view.addListener(mxEvent.SCALE_AND_TRANSLATE, hidePicker);
graph.getSelectionModel().addListener(mxEvent.CHANGE, hidePicker);
// Counts as popup menu
var popupMenuHandlerIsMenuShowing = graph.popupMenuHandler.isMenuShowing;
graph.popupMenuHandler.isMenuShowing = function () {
return popupMenuHandlerIsMenuShowing.apply(this, arguments) ||
ui.shapePicker != null || ui.currentMenu != null;
};
// Adds dbl click dialog for inserting shapes
var graphDblClick = graph.dblClick;
graph.dblClick = function (evt, cell) {
if (this.isEnabled()) {
if (cell == null && ui.sidebar != null && !mxEvent.isShiftDown(evt) &&
!graph.isCellLocked(graph.getDefaultParent())) {
var pt = mxUtils.convertPoint(this.container, mxEvent.getClientX(evt), mxEvent.getClientY(evt));
mxEvent.consume(evt);
// Asynchronous to avoid direct insert after double tap
window.setTimeout(mxUtils.bind(this, function () {
ui.showShapePicker(pt.x, pt.y);
}), 30);
}
else {
graphDblClick.apply(this, arguments);
}
}
};
if (this.hoverIcons != null) {
this.hoverIcons.addListener('reset', hidePicker);
var hoverIconsDrag = this.hoverIcons.drag;
this.hoverIcons.drag = function () {
ui.hideShapePicker();
hoverIconsDrag.apply(this, arguments);
};
var hoverIconsExecute = this.hoverIcons.execute;
this.hoverIcons.execute = function (state, dir, me) {
var evt = me.getEvent();
if (!this.graph.isCloneEvent(evt) && !mxEvent.isShiftDown(evt)) {
this.graph.connectVertex(state.cell, dir, this.graph.defaultEdgeLength, evt, null, null, mxUtils.bind(this, function (x, y, execute) {
var temp = graph.getCompositeParent(state.cell);
var geo = graph.getCellGeometry(temp);
me.consume();
while (temp != null && graph.model.isVertex(temp) && geo != null && geo.relative) {
cell = temp;
temp = graph.model.getParent(cell)
geo = graph.getCellGeometry(temp);
}
// Asynchronous to avoid direct insert after double tap
window.setTimeout(mxUtils.bind(this, function () {
ui.showShapePicker(me.getGraphX(), me.getGraphY(), temp, mxUtils.bind(this, function (cell) {
execute(cell);
if (ui.hoverIcons != null) {
ui.hoverIcons.update(graph.view.getState(cell));
}
}), dir);
}), 30);
}), mxUtils.bind(this, function (result) {
this.graph.selectCellsForConnectVertex(result, evt, this);
}));
}
else {
hoverIconsExecute.apply(this, arguments);
}
};
var thread = null;
this.hoverIcons.addListener('focus', mxUtils.bind(this, function (sender, evt) {
if (thread != null) {
window.clearTimeout(thread);
}
thread = window.setTimeout(mxUtils.bind(this, function () {
var arrow = evt.getProperty('arrow');
var dir = evt.getProperty('direction');
var mouseEvent = evt.getProperty('event');
var rect = arrow.getBoundingClientRect();
var offset = mxUtils.getOffset(graph.container);
var x = graph.container.scrollLeft + rect.x - offset.x;
var y = graph.container.scrollTop + rect.y - offset.y;
var temp = graph.getCompositeParent((this.hoverIcons.currentState != null) ?
this.hoverIcons.currentState.cell : null);
var div = ui.showShapePicker(x, y, temp, mxUtils.bind(this, function (cell) {
if (cell != null) {
graph.connectVertex(temp, dir, graph.defaultEdgeLength, mouseEvent, true, false, function (x, y, execute) {
execute(cell);
if (ui.hoverIcons != null) {
ui.hoverIcons.update(graph.view.getState(cell));
}
}, function (cells) {
graph.selectCellsForConnectVertex(cells);
}, mouseEvent, this.hoverIcons);
}
}), dir, true);
this.centerShapePicker(div, rect, x, y, dir);
mxUtils.setOpacity(div, 30);
mxEvent.addListener(div, 'mouseenter', function () {
mxUtils.setOpacity(div, 100);
});
mxEvent.addListener(div, 'mouseleave', function () {
ui.hideShapePicker();
});
}), Editor.shapePickerHoverDelay);
}));
this.hoverIcons.addListener('blur', mxUtils.bind(this, function (sender, evt) {
if (thread != null) {
window.clearTimeout(thread);
}
}));
}
};
/**
* Creates a temporary graph instance for rendering off-screen content.
*/
EditorUi.prototype.centerShapePicker = function (div, rect, x, y, dir) {
if (dir == mxConstants.DIRECTION_EAST || dir == mxConstants.DIRECTION_WEST) {
div.style.width = '40px';
}
var r2 = div.getBoundingClientRect();
if (dir == mxConstants.DIRECTION_NORTH) {
x -= r2.width / 2 - 10;
y -= r2.height + 6;
}
else if (dir == mxConstants.DIRECTION_SOUTH) {
x -= r2.width / 2 - 10;
y += rect.height + 6;
}
else if (dir == mxConstants.DIRECTION_WEST) {
x -= r2.width + 6;
y -= r2.height / 2 - 10;
}
else if (dir == mxConstants.DIRECTION_EAST) {
x += rect.width + 6;
y -= r2.height / 2 - 10;
}
div.style.left = x + 'px';
div.style.top = y + 'px';
};
/**
* Creates a temporary graph instance for rendering off-screen content.
*/
EditorUi.prototype.showShapePicker = function (x, y, source, callback, direction, hovering,
getInsertLocationFn, showEdges, startEditing) {
showEdges = showEdges || source == null;
var div = this.createShapePicker(x, y, source, callback, direction, mxUtils.bind(this, function () {
this.hideShapePicker();
}), this.getCellsForShapePicker(source, hovering, showEdges), hovering,
getInsertLocationFn, showEdges, startEditing);
if (div != null) {
if (this.hoverIcons != null && !hovering) {
this.hoverIcons.reset();
}
var graph = this.editor.graph;
graph.popupMenuHandler.hideMenu();
graph.tooltipHandler.hideTooltip();
this.hideCurrentMenu();
this.hideShapePicker();
this.shapePickerCallback = callback;
this.shapePicker = div;
}
return div;
};
/**
* Creates a temporary graph instance for rendering off-screen content.
*/
EditorUi.prototype.createShapePicker = function (x, y, source, callback, direction,
afterClick, cells, hovering, getInsertLocationFn, showEdges, startEditing) {
startEditing = (startEditing != null) ? startEditing : true;
var graph = this.editor.graph;
var div = null;
getInsertLocationFn = (getInsertLocationFn != null) ? getInsertLocationFn : function (cells) {
var cell = cells[0];
var w = 0;
var h = 0;
var geo = cell.geometry;
if (geo != null) {
if (graph.model.isEdge(cell)) {
var pt = geo.getTerminalPoint(false);
geo = new mxRectangle(0, 0, pt.x, pt.y);
}
w = geo.width / 2;
h = geo.height / 2;
}
return new mxPoint(graph.snap(Math.round(x / graph.view.scale) - graph.view.translate.x - w),
graph.snap(Math.round(y / graph.view.scale) - graph.view.translate.y - h));
};
if (cells != null && cells.length > 0) {
var ui = this;
var graph = this.editor.graph;
div = document.createElement('div');
var sourceState = graph.view.getState(source);
var style = (source != null && (sourceState == null ||
!graph.isTransparentState(sourceState))) ?
graph.copyStyle(source) : null;
// Do not place entry under pointer for touch devices
var w = (cells.length < 6) ? cells.length * 35 : 140;
div.className = 'geToolbarContainer geSidebarContainer geShapePicker';
div.setAttribute('title', mxResources.get('sidebarTooltip'));
div.style.left = x + 'px';
div.style.top = y + 'px';
div.style.width = w + 'px';
// Disables built-in pan and zoom on touch devices
if (mxClient.IS_POINTER) {
div.style.touchAction = 'none';
}
if (!hovering) {
mxUtils.setPrefixedStyle(div.style, 'transform', 'translate(-22px,-22px)');
}
if (graph.background != null && graph.background != mxConstants.NONE) {
div.style.backgroundColor = graph.background;
}
graph.container.appendChild(div);
var addCell = mxUtils.bind(this, function (cell) {
// Wrapper needed to catch events
var node = document.createElement('a');
node.className = 'geItem';
node.style.cssText = 'position:relative;display:inline-block;position:relative;' +
'width:30px;height:30px;cursor:pointer;overflow:hidden;padding:1px';
div.appendChild(node);
if (style != null && urlParams['sketch'] != '1') {
this.sidebar.graph.pasteStyle(style, [cell]);
}
else {
ui.insertHandler([cell], cell.value != '' && urlParams['sketch'] != '1', this.sidebar.graph.model);
}
var geo = cell.geometry;
if (graph.model.isEdge(cell)) {
var pt = geo.getTerminalPoint(false);
geo = new mxRectangle(0, 0, pt.x, pt.y);
}
if (geo != null) {
node.appendChild(this.sidebar.createVertexTemplateFromCells([cell],
geo.width, geo.height, '', true, false, null, false,
mxUtils.bind(this, function (evt) {
if (mxEvent.isShiftDown(evt) && (source != null ||
!graph.isSelectionEmpty())) {
var temp = graph.getEditableCells((source != null) ?
[source] : graph.getSelectionCells());
graph.updateShapes(cell, temp);
}
else {
var clone = graph.cloneCell(cell);
if (callback != null) {
callback(clone);
}
else {
var pt = getInsertLocationFn([clone]);
if (graph.model.isEdge(clone)) {
clone.geometry.translate(pt.x, pt.y);
}
else {
clone.geometry.x = pt.x;
clone.geometry.y = pt.y;
}
graph.model.beginUpdate();
try {
graph.addCell(clone);
if (graph.model.isVertex(clone) &&
graph.isAutoSizeCell(clone)) {
graph.updateCellSize(clone);
}
}
finally {
graph.model.endUpdate();
}
graph.setSelectionCell(clone);
graph.scrollCellToVisible(clone);
if (startEditing) {
graph.startEditing(clone);
}
if (ui.hoverIcons != null) {
ui.hoverIcons.update(graph.view.getState(clone));
}
}
}
if (afterClick != null) {
afterClick(evt);
}
mxEvent.consume(evt);
}), 25, 25, null, null, source));
}
});
for (var i = 0; i < (hovering ? Math.min(cells.length, 4) : cells.length); i++) {
addCell(cells[i]);
}
var b = graph.container.scrollTop + graph.container.offsetHeight;
var dy = div.offsetTop + div.clientHeight - b;
if (dy > 0) {
div.style.top = Math.max(graph.container.scrollTop + 22, y - dy) + 'px';
}
var r = graph.container.scrollLeft + graph.container.offsetWidth;
var dx = div.offsetLeft + div.clientWidth - r;
if (dx > 0) {
div.style.left = Math.max(graph.container.scrollLeft + 22, x - dx) + 'px';
}
}
return div;
};
/**
* Creates a temporary graph instance for rendering off-screen content.
*/
EditorUi.prototype.getCellsForShapePicker = function (cell, hovering, showEdges) {
var graph = this.editor.graph;
var createVertex = mxUtils.bind(this, function (style, w, h, value) {
return graph.createVertex(null, null, value || '', 0, 0, w || 120, h || 60, style, false);
});
var createEdge = mxUtils.bind(this, function (style, y, value) {
var cell = new mxCell(value || '', new mxGeometry(0, 0, graph.defaultEdgeLength + 20, 0), style);
cell.geometry.setTerminalPoint(new mxPoint(0, 0), true);
cell.geometry.setTerminalPoint(new mxPoint(cell.geometry.width, (y != null) ? y : 0), false);
cell.geometry.points = (y != null) ? [new mxPoint(cell.geometry.width / 2, y)] : [];
cell.geometry.relative = true;
cell.edge = true;
return cell;
});
// Creates a clone of the source cell and moves it to the origin
if (cell != null) {
try {
cell = graph.cloneCell(cell);
if (graph.model.isVertex(cell) && cell.geometry != null) {
cell.geometry.x = 0;
cell.geometry.y = 0;
}
}
catch (e) {
cell = null;
}
}
if (cell == null) {
cell = createVertex('text;html=1;align=center;verticalAlign=middle;resizable=0;' +
'points=[];autosize=1;strokeColor=none;fillColor=none;', 40, 20, 'Text');
if (graph.model.isVertex(cell) && graph.isAutoSizeCell(cell)) {
// Uses offscreen graph to bypass undo history
var tempGraph = Graph.createOffscreenGraph(graph.getStylesheet());
tempGraph.updateCellSize(cell);
}
}
var cells = [cell, createVertex('whiteSpace=wrap;html=1;'),
createVertex('ellipse;whiteSpace=wrap;html=1;', 80, 80),
createVertex('rhombus;whiteSpace=wrap;html=1;', 80, 80),
createVertex('rounded=1;whiteSpace=wrap;html=1;'),
createVertex('shape=parallelogram;perimeter=parallelogramPerimeter;whiteSpace=wrap;html=1;fixedSize=1;'),
createVertex('shape=trapezoid;perimeter=trapezoidPerimeter;whiteSpace=wrap;html=1;fixedSize=1;', 120, 60),
createVertex('shape=hexagon;perimeter=hexagonPerimeter2;whiteSpace=wrap;html=1;fixedSize=1;', 120, 80),
createVertex('shape=step;perimeter=stepPerimeter;whiteSpace=wrap;html=1;fixedSize=1;', 120, 80),
createVertex('shape=process;whiteSpace=wrap;html=1;backgroundOutline=1;'),
createVertex('triangle;whiteSpace=wrap;html=1;', 60, 80),
createVertex('shape=document;whiteSpace=wrap;html=1;boundedLbl=1;', 120, 80),
createVertex('shape=tape;whiteSpace=wrap;html=1;', 120, 100),
createVertex('ellipse;shape=cloud;whiteSpace=wrap;html=1;', 120, 80),
createVertex('shape=singleArrow;whiteSpace=wrap;html=1;arrowWidth=0.4;arrowSize=0.4;', 80, 60),
createVertex('shape=waypoint;sketch=0;size=6;pointerEvents=1;points=[];fillColor=none;resizable=0;' +
'rotatable=0;perimeter=centerPerimeter;snapToPoint=1;', 20, 20)];
if (showEdges) {
cells = cells.concat([
createEdge('edgeStyle=none;orthogonalLoop=1;jettySize=auto;html=1;'),
createEdge('edgeStyle=none;orthogonalLoop=1;jettySize=auto;html=1;endArrow=classic;startArrow=classic;endSize=8;startSize=8;'),
createEdge('edgeStyle=none;orthogonalLoop=1;jettySize=auto;html=1;shape=flexArrow;rounded=1;startSize=8;endSize=8;'),
createEdge('edgeStyle=segmentEdgeStyle;endArrow=classic;html=1;curved=0;rounded=0;endSize=8;startSize=8;sourcePerimeterSpacing=0;targetPerimeterSpacing=0;',
this.editor.graph.defaultEdgeLength / 2)
]);
}
return cells;
};
/**
* Creates a temporary graph instance for rendering off-screen content.
*/
EditorUi.prototype.isShapePickerVisible = function (cancel) {
return this.shapePicker != null;
};
/**
* Creates a temporary graph instance for rendering off-screen content.
*/
EditorUi.prototype.hideShapePicker = function (cancel) {
if (this.shapePicker != null) {
this.shapePicker.parentNode.removeChild(this.shapePicker);
this.shapePicker = null;
if (!cancel && this.shapePickerCallback != null) {
this.shapePickerCallback();
}
this.shapePickerCallback = null;
}
};
/**
* Whether the default styles should be updated when styles are changed. Default is true.
*/
EditorUi.prototype.isSpaceDown = function () {
return this.spaceDown;
};
/**
* Whether the default styles should be updated when styles are changed. Default is true.
*/
EditorUi.prototype.isShiftDown = function () {
return this.shiftDown;
};
/**
* Returns true if the given event should start editing. This implementation returns true.
*/
EditorUi.prototype.onKeyDown = function (evt) {
var graph = this.editor.graph;
// Alt+tab for task switcher in Windows, ctrl+tab for tab control in Chrome
if (evt.which == 9 && graph.isEnabled() && !mxEvent.isControlDown(evt)) {
if (graph.isEditing()) {
if (mxEvent.isAltDown(evt)) {
graph.stopEditing(false);
}
else {
try {
var nesting = graph.cellEditor.isContentEditing() && graph.cellEditor.isTextSelected();
if (window.getSelection && graph.cellEditor.isContentEditing() &&
!nesting && !mxClient.IS_IE && !mxClient.IS_IE11) {
var selection = window.getSelection();
var container = (selection.rangeCount > 0) ? selection.getRangeAt(0).commonAncestorContainer : null;
nesting = container != null && (container.nodeName == 'LI' || (container.parentNode != null &&
container.parentNode.nodeName == 'LI'));
}
if (nesting) {
// (Shift+)tab indents/outdents with text selection or inside list elements
document.execCommand(mxEvent.isShiftDown(evt) ? 'outdent' : 'indent', false, null);
}
// Shift+tab applies value with cursor
else if (mxEvent.isShiftDown(evt)) {
graph.stopEditing(false);
}
else {
// Inserts tab character
graph.cellEditor.insertTab(!graph.cellEditor.isContentEditing() ? 4 : null);
}
}
catch (e) {
// ignore
}
}
}
else if (mxEvent.isAltDown(evt)) {
graph.selectParentCell();
}
else {
graph.selectCell(!mxEvent.isShiftDown(evt));
}
mxEvent.consume(evt);
}
};
/**
* Returns true if the given event should start editing. This implementation returns true.
*/
EditorUi.prototype.onKeyPress = function (evt) {
var graph = this.editor.graph;
// KNOWN: Focus does not work if label is empty in quirks mode
if (this.isImmediateEditingEvent(evt) && !graph.isEditing() && !graph.isSelectionEmpty() && evt.which !== 0 &&
evt.which !== 27 && !mxEvent.isAltDown(evt) && !mxEvent.isControlDown(evt) && !mxEvent.isMetaDown(evt)) {
graph.escape();
graph.startEditing();
// Workaround for FF where char is lost if cursor is placed before char
if (mxClient.IS_FF) {
var ce = graph.cellEditor;
if (ce.textarea != null) {
ce.textarea.innerHTML = String.fromCharCode(evt.which);
// Moves cursor to end of textarea
var range = document.createRange();
range.selectNodeContents(ce.textarea);
range.collapse(false);
var sel = window.getSelection();
sel.removeAllRanges();
sel.addRange(range);
}
}
}
};
/**
* Returns true if the given event should start editing. This implementation returns true.
*/
EditorUi.prototype.isImmediateEditingEvent = function (evt) {
return true;
};
/**
* Updates the CSS for the given element to match the selection.
*/
EditorUi.prototype.updateCssForMarker = function (markerDiv, prefix, shape, marker, fill) {
markerDiv.style.display = 'inline-flex';
markerDiv.style.alignItems = 'center';
markerDiv.style.justifyContent = 'center';
markerDiv.innerText = '';
if (shape == 'flexArrow') {
markerDiv.className = (marker != null && marker != mxConstants.NONE) ?
'geSprite geSprite-' + prefix + 'blocktrans' : 'geSprite geSprite-noarrow';
}
else {
var src = this.getImageForMarker(marker, fill);
if (src != null) {
var img = document.createElement('img');
img.className = 'geAdaptiveAsset';
img.setAttribute('src', src);
markerDiv.className = '';
if (prefix == 'end') {
mxUtils.setPrefixedStyle(img.style, 'transform', 'scaleX(-1)');
}
markerDiv.appendChild(img);
}
else {
markerDiv.className = 'geSprite geSprite-noarrow';
markerDiv.innerHTML = mxUtils.htmlEntities(mxResources.get('none'));
markerDiv.style.backgroundImage = 'none';
markerDiv.style.fontSize = '11px';
markerDiv.style.filter = 'none';
}
}
};
/**
* Returns true if the given event should start editing. This implementation returns true.
*/
EditorUi.prototype.getImageForMarker = function (marker, fill) {
var result = null;
if (marker == mxConstants.ARROW_CLASSIC) {
result = (fill != '1') ? Format.classicMarkerImage.src :
Format.classicFilledMarkerImage.src
}
else if (marker == mxConstants.ARROW_CLASSIC_THIN) {
result = (fill != '1') ? Format.classicThinMarkerImage.src :
Format.openThinFilledMarkerImage.src;
}
else if (marker == mxConstants.ARROW_OPEN) {
result = Format.openFilledMarkerImage.src;
}
else if (marker == mxConstants.ARROW_OPEN_THIN) {
result = Format.openThinFilledMarkerImage.src;
}
else if (marker == mxConstants.ARROW_BLOCK) {
result = (fill != '1') ? Format.blockMarkerImage.src :
Format.blockFilledMarkerImage.src;
}
else if (marker == mxConstants.ARROW_BLOCK_THIN) {
result = (fill != '1') ? Format.blockThinMarkerImage.src :
Format.blockThinFilledMarkerImage.src;
}
else if (marker == mxConstants.ARROW_OVAL) {
result = (fill != '1') ? Format.ovalMarkerImage.src :
Format.ovalFilledMarkerImage.src;
}
else if (marker == mxConstants.ARROW_DIAMOND) {
result = (fill != '1') ? Format.diamondMarkerImage.src :
Format.diamondFilledMarkerImage.src;
}
else if (marker == mxConstants.ARROW_DIAMOND_THIN) {
result = (fill != '1') ? Format.diamondThinMarkerImage.src :
Format.diamondThinFilledMarkerImage.src;
}
else if (marker == 'doubleBlock') {
result = (fill != '1') ? Format.doubleBlockMarkerImage.src :
Format.doubleBlockFilledMarkerImage.src;
}
else if (marker == 'box') {
result = Format.boxMarkerImage.src;
}
else if (marker == 'halfCircle') {
result = Format.halfCircleMarkerImage.src;
}
else if (marker == 'openAsync') {
result = Format.openAsyncFilledMarkerImage.src;
}
else if (marker == 'async') {
result = (fill != '1') ? Format.asyncMarkerImage.src :
Format.asyncFilledMarkerImage.src;
}
else if (marker == 'dash') {
result = Format.dashMarkerImage.src;
}
else if (marker == 'baseDash') {
result = Format.baseDashMarkerImage.src;
}
else if (marker == 'cross') {
result = Format.crossMarkerImage.src;
}
else if (marker == 'circle') {
result = Format.circleMarkerImage.src;
}
else if (marker == 'circlePlus') {
result = Format.circlePlusMarkerImage.src;
}
else if (marker == 'ERone') {
result = Format.EROneMarkerImage.src;
}
else if (marker == 'ERmandOne') {
result = Format.ERmandOneMarkerImage.src;
}
else if (marker == 'ERmany') {
result = Format.ERmanyMarkerImage.src;
}
else if (marker == 'ERoneToMany') {
result = Format.ERoneToManyMarkerImage.src;
}
else if (marker == 'ERzeroToOne') {
result = Format.ERzeroToOneMarkerImage.src;
}
else if (marker == 'ERzeroToMany') {
result = Format.ERzeroToManyMarkerImage.src;
}
return result;
};
/**
* Overridden in Menus.js
*/
EditorUi.prototype.createMenus = function () {
return null;
};
/**
* Hook for allowing selection and context menu for certain events.
*/
EditorUi.prototype.updatePasteActionStates = function () {
var graph = this.editor.graph;
var paste = this.actions.get('paste');
var pasteHere = this.actions.get('pasteHere');
paste.setEnabled(this.editor.graph.cellEditor.isContentEditing() ||
(((!mxClient.IS_FF && navigator.clipboard != null) || !mxClipboard.isEmpty()) &&
graph.isEnabled() && !graph.isCellLocked(graph.getDefaultParent())));
pasteHere.setEnabled(paste.isEnabled());
};
/**
* Hook for allowing selection and context menu for certain events.
*/
EditorUi.prototype.initClipboard = function () {
var ui = this;
var mxClipboardCut = mxClipboard.cut;
mxClipboard.cut = function (graph) {
if (graph.cellEditor.isContentEditing()) {
document.execCommand('cut', false, null);
}
else {
mxClipboardCut.apply(this, arguments);
}
ui.updatePasteActionStates();
};
var mxClipboardCopy = mxClipboard.copy;
mxClipboard.copy = function (graph) {
var result = null;
if (graph.cellEditor.isContentEditing()) {
document.execCommand('copy', false, null);
}
else {
result = result || graph.getSelectionCells();
result = graph.getExportableCells(graph.model.getTopmostCells(result));
var cloneMap = new Object();
var lookup = graph.createCellLookup(result);
var clones = graph.cloneCells(result, null, cloneMap);
// Uses temporary model to force new IDs to be assigned
// to avoid having to carry over the mapping from object
// ID to cell ID to the paste operation
var model = new mxGraphModel();
var parent = model.getChildAt(model.getRoot(), 0);
for (var i = 0; i < clones.length; i++) {
model.add(parent, clones[i]);
// Checks for orphaned relative children and makes absolute
var state = graph.view.getState(result[i]);
if (state != null) {
var geo = graph.getCellGeometry(clones[i]);
if (geo != null && geo.relative && !model.isEdge(result[i]) &&
lookup[mxObjectIdentity.get(model.getParent(result[i]))] == null) {
geo.offset = null;
geo.relative = false;
geo.x = state.x / state.view.scale - state.view.translate.x;
geo.y = state.y / state.view.scale - state.view.translate.y;
}
}
}
graph.updateCustomLinks(graph.createCellMapping(cloneMap, lookup), clones);
mxClipboard.insertCount = 1;
mxClipboard.setCells(clones);
}
ui.updatePasteActionStates();
return result;
};
var mxClipboardPaste = mxClipboard.paste;
mxClipboard.paste = function (graph) {
var result = null;
if (graph.cellEditor.isContentEditing()) {
document.execCommand('paste', false, null);
}
else {
result = mxClipboardPaste.apply(this, arguments);
}
ui.updatePasteActionStates();
return result;
};
// Overrides cell editor to update paste action state
var cellEditorStartEditing = this.editor.graph.cellEditor.startEditing;
this.editor.graph.cellEditor.startEditing = function () {
cellEditorStartEditing.apply(this, arguments);
ui.updatePasteActionStates();
};
var cellEditorStopEditing = this.editor.graph.cellEditor.stopEditing;
this.editor.graph.cellEditor.stopEditing = function (cell, trigger) {
cellEditorStopEditing.apply(this, arguments);
ui.updatePasteActionStates();
};
this.updatePasteActionStates();
};
/**
* Delay between zoom steps when not using preview.
*/
EditorUi.prototype.lazyZoomDelay = 20;
/**
* Delay before update of DOM when using preview.
*/
EditorUi.prototype.wheelZoomDelay = 500;
/**
* Delay before update of DOM when using preview.
*/
EditorUi.prototype.buttonZoomDelay = 600;
/**
* Initializes the infinite canvas.
*/
EditorUi.prototype.initCanvas = function () {
// Initial page layout view, scrollBuffer and timer-based scrolling
var graph = this.editor.graph;
graph.timerAutoScroll = true;
/**
* Returns the padding for pages in page view with scrollbars.
*/
graph.getPagePadding = function () {
return new mxPoint(Math.max(0, Math.round((graph.container.offsetWidth - 34) / graph.view.scale)),
Math.max(0, Math.round((graph.container.offsetHeight - 34) / graph.view.scale)));
};
// Fits the number of background pages to the graph
graph.view.getBackgroundPageBounds = function () {
var layout = this.graph.getPageLayout();
var page = this.graph.getPageSize();
return new mxRectangle(this.scale * (this.translate.x + layout.x * page.width),
this.scale * (this.translate.y + layout.y * page.height),
this.scale * layout.width * page.width,
this.scale * layout.height * page.height);
};
graph.getPreferredPageSize = function (bounds, width, height) {
var pages = this.getPageLayout();
var size = this.getPageSize();
return new mxRectangle(0, 0, pages.width * size.width, pages.height * size.height);
};
// Scales pages/graph to fit available size
var resize = null;
var ui = this;
if (this.editor.isChromelessView()) {
resize = mxUtils.bind(this, function (autoscale, maxScale, cx, cy) {
if (graph.container != null && !graph.isViewer()) {
cx = (cx != null) ? cx : 0;
cy = (cy != null) ? cy : 0;
var bds = (graph.pageVisible) ?
graph.view.getBackgroundPageBounds() :
graph.getGraphBounds();
var scroll = mxUtils.hasScrollbars(graph.container);
var tr = graph.view.translate;
var s = graph.view.scale;
// Normalizes the bounds
var b = mxRectangle.fromRectangle(bds);
b.x = b.x / s - tr.x;
b.y = b.y / s - tr.y;
b.width /= s;
b.height /= s;
var st = graph.container.scrollTop;
var sl = graph.container.scrollLeft;
var sb = (document.documentMode >= 8) ? 20 : 14;
if (document.documentMode == 8 || document.documentMode == 9) {
sb += 3;
}
var cw = graph.container.offsetWidth - sb;
var ch = graph.container.offsetHeight - sb;
var ns = (autoscale) ? Math.max(0.3, Math.min(maxScale || 1, cw / b.width)) : s;
var dx = ((cw - ns * b.width) / 2) / ns;
var dy = (this.lightboxVerticalDivider == 0) ? 0 : ((ch - ns * b.height) / this.lightboxVerticalDivider) / ns;
if (scroll) {
dx = Math.max(dx, 0);
dy = Math.max(dy, 0);
}
if (scroll || bds.width < cw || bds.height < ch) {
graph.view.scaleAndTranslate(ns, Math.floor(dx - b.x), Math.floor(dy - b.y));
graph.container.scrollTop = st * ns / s;
graph.container.scrollLeft = sl * ns / s;
}
else if (cx != 0 || cy != 0) {
var t = graph.view.translate;
graph.view.setTranslate(Math.floor(t.x + cx / s), Math.floor(t.y + cy / s));
}
}
});
// Hack to make function available to subclassers
this.chromelessResize = resize;
// Hook for subclassers for override
this.chromelessWindowResize = mxUtils.bind(this, function () {
this.chromelessResize(false);
});
// Removable resize listener
var autoscaleResize = mxUtils.bind(this, function () {
this.chromelessWindowResize(false);
});
mxEvent.addListener(window, 'resize', autoscaleResize);
this.destroyFunctions.push(function () {
mxEvent.removeListener(window, 'resize', autoscaleResize);
});
this.editor.addListener('resetGraphView', mxUtils.bind(this, function () {
this.chromelessResize(true);
}));
this.actions.get('zoomIn').funct = mxUtils.bind(this, function (evt) {
graph.zoomIn();
this.chromelessResize(false);
});
this.actions.get('zoomOut').funct = mxUtils.bind(this, function (evt) {
graph.zoomOut();
this.chromelessResize(false);
});
// Creates toolbar for viewer - do not use CSS here
// as this may be used in a viewer that has no CSS
if (urlParams['toolbar'] != '0') {
var toolbarConfig = JSON.parse(decodeURIComponent(urlParams['toolbar-config'] || '{}'));
this.chromelessToolbar = document.createElement('div');
this.chromelessToolbar.style.position = 'fixed';
this.chromelessToolbar.style.overflow = 'hidden';
this.chromelessToolbar.style.boxSizing = 'border-box';
this.chromelessToolbar.style.whiteSpace = 'nowrap';
this.chromelessToolbar.style.padding = '10px 10px 8px 10px';
this.chromelessToolbar.style.left = (graph.isViewer()) ? '0' : '50%';
if (!mxClient.IS_IE && !mxClient.IS_IE11) {
this.chromelessToolbar.style.backgroundColor = '#000000';
}
else {
this.chromelessToolbar.style.backgroundColor = '#ffffff';
this.chromelessToolbar.style.border = '3px solid black';
}
mxUtils.setPrefixedStyle(this.chromelessToolbar.style, 'borderRadius', '16px');
mxUtils.setPrefixedStyle(this.chromelessToolbar.style, 'transition', 'opacity 600ms ease-in-out');
var updateChromelessToolbarPosition = mxUtils.bind(this, function () {
var css = mxUtils.getCurrentStyle(graph.container);
if (graph.isViewer()) {
this.chromelessToolbar.style.top = '0';
}
else {
this.chromelessToolbar.style.bottom = ((css != null) ? parseInt(css['margin-bottom'] || 0) : 0) +
((this.tabContainer != null) ? (20 + parseInt(this.tabContainer.style.height)) : 20) + 'px';
}
});
this.editor.addListener('resetGraphView', updateChromelessToolbarPosition);
updateChromelessToolbarPosition();
var btnCount = 0;
var addButton = mxUtils.bind(this, function (fn, imgSrc, tip) {
btnCount++;
var a = document.createElement('span');
a.style.paddingLeft = '8px';
a.style.paddingRight = '8px';
a.style.cursor = 'pointer';
mxEvent.addListener(a, 'click', fn);
if (tip != null) {
a.setAttribute('title', tip);
}
var img = document.createElement('img');
img.setAttribute('border', '0');
img.setAttribute('src', imgSrc);
img.style.width = '36px';
img.style.filter = 'invert(100%)';
a.appendChild(img);
this.chromelessToolbar.appendChild(a);
return a;
});
if (toolbarConfig.backBtn != null) {
var backUrl = Graph.sanitizeLink(toolbarConfig.backBtn.url);
if (backUrl != null) {
addButton(mxUtils.bind(this, function (evt) {
window.location.href = backUrl;
mxEvent.consume(evt);
}), Editor.backImage, mxResources.get('back', null, 'Back'));
}
}
if (this.isPagesEnabled()) {
var prevButton = addButton(mxUtils.bind(this, function (evt) {
this.actions.get('previousPage').funct();
mxEvent.consume(evt);
}), Editor.previousImage, mxResources.get('previousPage'));
var pageInfo = document.createElement('div');
pageInfo.style.fontFamily = Editor.defaultHtmlFont;
pageInfo.style.display = 'inline-block';
pageInfo.style.verticalAlign = 'top';
pageInfo.style.fontWeight = 'bold';
pageInfo.style.marginTop = '8px';
pageInfo.style.fontSize = '14px';
if (!mxClient.IS_IE && !mxClient.IS_IE11) {
pageInfo.style.color = '#ffffff';
}
else {
pageInfo.style.color = '#000000';
}
this.chromelessToolbar.appendChild(pageInfo);
var nextButton = addButton(mxUtils.bind(this, function (evt) {
this.actions.get('nextPage').funct();
mxEvent.consume(evt);
}), Editor.nextImage, mxResources.get('nextPage'));
var updatePageInfo = mxUtils.bind(this, function () {
if (this.pages != null && this.pages.length > 1 && this.currentPage != null) {
pageInfo.innerText = '';
mxUtils.write(pageInfo, (mxUtils.indexOf(this.pages, this.currentPage) + 1) + ' / ' + this.pages.length);
}
});
prevButton.style.paddingLeft = '0px';
prevButton.style.paddingRight = '4px';
nextButton.style.paddingLeft = '4px';
nextButton.style.paddingRight = '0px';
var updatePageButtons = mxUtils.bind(this, function () {
if (this.pages != null && this.pages.length > 1 && this.currentPage != null) {
nextButton.style.display = '';
prevButton.style.display = '';
pageInfo.style.display = 'inline-block';
}
else {
nextButton.style.display = 'none';
prevButton.style.display = 'none';
pageInfo.style.display = 'none';
}
updatePageInfo();
});
this.editor.addListener('resetGraphView', updatePageButtons);
this.editor.addListener('pageSelected', updatePageInfo);
}
addButton(mxUtils.bind(this, function (evt) {
this.actions.get('zoomOut').funct();
mxEvent.consume(evt);
}), Editor.zoomOutImage, mxResources.get('zoomOut') + ' (Alt+Mousewheel)');
addButton(mxUtils.bind(this, function (evt) {
this.actions.get('zoomIn').funct();
mxEvent.consume(evt);
}), Editor.zoomInImage, mxResources.get('zoomIn') + ' (Alt+Mousewheel)');
addButton(mxUtils.bind(this, function (evt) {
if (graph.isLightboxView()) {
if (graph.view.scale == 1) {
this.lightboxFit();
}
else {
graph.zoomTo(1);
}
this.chromelessResize(false);
}
else {
this.chromelessResize(true);
}
mxEvent.consume(evt);
}), Editor.zoomFitImage, mxResources.get('fit'));
// Changes toolbar opacity on hover
var fadeThread = null;
var fadeThread2 = null;
var fadeOut = mxUtils.bind(this, function (delay) {
if (fadeThread != null) {
window.clearTimeout(fadeThread);
fadeThread = null;
}
if (fadeThread2 != null) {
window.clearTimeout(fadeThread2);
fadeThread2 = null;
}
fadeThread = window.setTimeout(mxUtils.bind(this, function () {
mxUtils.setOpacity(this.chromelessToolbar, 0);
fadeThread = null;
fadeThread2 = window.setTimeout(mxUtils.bind(this, function () {
this.chromelessToolbar.style.display = 'none';
fadeThread2 = null;
}), 600);
}), delay || 200);
});
var fadeIn = mxUtils.bind(this, function (opacity) {
if (fadeThread != null) {
window.clearTimeout(fadeThread);
fadeThread = null;
}
if (fadeThread2 != null) {
window.clearTimeout(fadeThread2);
fadeThread2 = null;
}
this.chromelessToolbar.style.display = '';
mxUtils.setOpacity(this.chromelessToolbar, opacity || 30);
});
if (urlParams['layers'] == '1') {
this.layersDialog = null;
var layersButton = addButton(mxUtils.bind(this, function (evt) {
if (this.layersDialog != null) {
this.layersDialog.parentNode.removeChild(this.layersDialog);
this.layersDialog = null;
}
else {
this.layersDialog = graph.createLayersDialog(null, true);
mxEvent.addListener(this.layersDialog, 'mouseleave', mxUtils.bind(this, function () {
this.layersDialog.parentNode.removeChild(this.layersDialog);
this.layersDialog = null;
}));
var r = layersButton.getBoundingClientRect();
mxUtils.setPrefixedStyle(this.layersDialog.style, 'borderRadius', '5px');
this.layersDialog.style.position = 'fixed';
this.layersDialog.style.fontFamily = Editor.defaultHtmlFont;
this.layersDialog.style.width = '160px';
this.layersDialog.style.padding = '4px 2px 4px 2px';
this.layersDialog.style.left = r.left + 'px';
this.layersDialog.style.bottom = parseInt(this.chromelessToolbar.style.bottom) +
this.chromelessToolbar.offsetHeight + 4 + 'px';
if (!mxClient.IS_IE && !mxClient.IS_IE11) {
this.layersDialog.style.backgroundColor = '#000000';
this.layersDialog.style.color = '#ffffff';
mxUtils.setOpacity(this.layersDialog, 80);
}
else {
this.layersDialog.style.backgroundColor = '#ffffff';
this.layersDialog.style.border = '2px solid black';
this.layersDialog.style.color = '#000000';
}
// Puts the dialog on top of the container z-index
var style = mxUtils.getCurrentStyle(this.editor.graph.container);
this.layersDialog.style.zIndex = style.zIndex;
document.body.appendChild(this.layersDialog);
this.editor.fireEvent(new mxEventObject('layersDialogShown'));
}
mxEvent.consume(evt);
}), Editor.layersImage, mxResources.get('layers'));
// Shows/hides layers button depending on content
var model = graph.getModel();
model.addListener(mxEvent.CHANGE, function () {
layersButton.style.display = (model.getChildCount(model.root) > 1) ? '' : 'none';
});
}
if (urlParams['openInSameWin'] != '1' || navigator.standalone) {
this.addChromelessToolbarItems(addButton);
}
if (this.editor.editButtonLink != null || this.editor.editButtonFunc != null) {
addButton(mxUtils.bind(this, function (evt) {
if (this.editor.editButtonFunc != null) {
this.editor.editButtonFunc();
}
else if (this.editor.editButtonLink == '_blank') {
this.editor.editAsNew(this.getEditBlankXml());
}
else {
graph.openLink(this.editor.editButtonLink, 'editWindow');
}
mxEvent.consume(evt);
}), Editor.editImage, mxResources.get('edit'));
}
if (this.lightboxToolbarActions != null) {
for (var i = 0; i < this.lightboxToolbarActions.length; i++) {
var lbAction = this.lightboxToolbarActions[i];
lbAction.elem = addButton(lbAction.fn, lbAction.icon, lbAction.tooltip);
}
}
if (toolbarConfig.refreshBtn != null) {
var refreshUrl = (toolbarConfig.refreshBtn.url == null) ? null :
Graph.sanitizeLink(toolbarConfig.refreshBtn.url);
addButton(mxUtils.bind(this, function (evt) {
if (refreshUrl != null) {
window.location.href = refreshUrl;
}
else {
window.location.reload();
}
mxEvent.consume(evt);
}), Editor.refreshImage, mxResources.get('refresh', null, 'Refresh'));
}
if (toolbarConfig.fullscreenBtn != null && window.self !== window.top) {
addButton(mxUtils.bind(this, function (evt) {
if (toolbarConfig.fullscreenBtn.url) {
graph.openLink(toolbarConfig.fullscreenBtn.url);
}
else {
graph.openLink(window.location.href);
}
mxEvent.consume(evt);
}), Editor.fullscreenImage, mxResources.get('openInNewWindow', null, 'Open in New Window'));
}
if (!toolbarConfig.noCloseBtn && ((toolbarConfig.closeBtn && window.self === window.top) ||
(graph.lightbox && (urlParams['close'] == '1' || this.container != document.body)))) {
addButton(mxUtils.bind(this, function (evt) {
if (urlParams['close'] == '1' || toolbarConfig.closeBtn) {
window.close();
}
else {
this.destroy();
mxEvent.consume(evt);
}
}), Editor.closeImage, mxResources.get('close') + ' (Escape)');
}
// Initial state invisible
this.chromelessToolbar.style.display = 'none';
if (!graph.isViewer()) {
mxUtils.setPrefixedStyle(this.chromelessToolbar.style, 'transform', 'translate(-50%,0)');
}
graph.container.appendChild(this.chromelessToolbar);
mxEvent.addListener(graph.container, (mxClient.IS_POINTER) ? 'pointermove' : 'mousemove', mxUtils.bind(this, function (evt) {
if (!mxEvent.isTouchEvent(evt)) {
if (!mxEvent.isShiftDown(evt)) {
fadeIn(30);
}
fadeOut();
}
}));
mxEvent.addListener(this.chromelessToolbar, (mxClient.IS_POINTER) ? 'pointermove' : 'mousemove', function (evt) {
mxEvent.consume(evt);
});
mxEvent.addListener(this.chromelessToolbar, 'mouseenter', mxUtils.bind(this, function (evt) {
graph.tooltipHandler.resetTimer();
graph.tooltipHandler.hideTooltip();
if (!mxEvent.isShiftDown(evt)) {
fadeIn(100);
}
else {
fadeOut();
}
}));
mxEvent.addListener(this.chromelessToolbar, 'mousemove', mxUtils.bind(this, function (evt) {
if (!mxEvent.isShiftDown(evt)) {
fadeIn(100);
}
else {
fadeOut();
}
mxEvent.consume(evt);
}));
mxEvent.addListener(this.chromelessToolbar, 'mouseleave', mxUtils.bind(this, function (evt) {
if (!mxEvent.isTouchEvent(evt)) {
fadeIn(30);
}
}));
// Shows/hides toolbar for touch devices
var tol = graph.getTolerance();
graph.addMouseListener(
{
startX: 0,
startY: 0,
scrollLeft: 0,
scrollTop: 0,
mouseDown: function (sender, me) {
this.startX = me.getGraphX();
this.startY = me.getGraphY();
this.scrollLeft = graph.container.scrollLeft;
this.scrollTop = graph.container.scrollTop;
},
mouseMove: function (sender, me) { },
mouseUp: function (sender, me) {
if (mxEvent.isTouchEvent(me.getEvent())) {
if ((Math.abs(this.scrollLeft - graph.container.scrollLeft) < tol &&
Math.abs(this.scrollTop - graph.container.scrollTop) < tol) &&
(Math.abs(this.startX - me.getGraphX()) < tol &&
Math.abs(this.startY - me.getGraphY()) < tol)) {
if (parseFloat(ui.chromelessToolbar.style.opacity || 0) > 0) {
fadeOut();
}
else {
fadeIn(30);
}
}
}
}
});
} // end if toolbar
// Installs handling of highlight and handling links to relative links and anchors
if (!this.editor.editable) {
this.addChromelessClickHandler();
}
}
else if (this.editor.extendCanvas) {
/**
* Guesses autoTranslate to avoid another repaint (see below).
* Works if only the scale of the graph changes or if pages
* are visible and the visible pages do not change. Uses
* geometries to guess the bounding box of the graph.
*/
var graphViewValidate = graph.view.validate;
var zero = new mxPoint();
var lastPage = null;
graph.view.validate = function () {
if (graph.container != null &&
mxUtils.hasScrollbars(graph.container)) {
// Sets initial state after page changes
if (ui.currentPage != null &&
lastPage != ui.currentPage) {
lastPage = ui.currentPage;
// Sets initial translate based on geometries
// to avoid revalidation in sizeDidChange
var bbox = graph.getBoundingBoxFromGeometry(
graph.model.getCells(), true);
// Handles blank diagrams
if (bbox == null) {
bbox = new mxRectangle(
graph.view.translate.x * graph.view.scale,
graph.view.translate.y * graph.view.scale);
}
var pageLayout = graph.getPageLayout(bbox, zero, 1);
var tr = graph.getDefaultTranslate(pageLayout);
this.x0 = pageLayout.x;
this.y0 = pageLayout.y;
if (tr.x != this.translate.x ||
tr.y != this.translate.y) {
this.invalidate();
this.translate.x = tr.x;
this.translate.y = tr.y;
}
}
var pad = graph.getPagePadding();
var size = graph.getPageSize();
var tx = pad.x - (this.x0 || 0) * size.width;
var ty = pad.y - (this.y0 || 0) * size.height;
if (this.translate.x != tx || this.translate.y != ty) {
this.invalidate();
this.translate.x = tx
this.translate.y = ty
}
}
graphViewValidate.apply(this, arguments);
};
if (!graph.isViewer()) {
var graphSizeDidChange = graph.sizeDidChange;
graph.sizeDidChange = function () {
if (this.container != null &&
mxUtils.hasScrollbars(this.container)) {
this.updateMinimumSize();
if (!this.autoTranslate) {
var pageLayout = this.getPageLayout();
var tr = this.getDefaultTranslate(pageLayout);
var tx = this.view.translate.x;
var ty = this.view.translate.y;
if (tr.x != tx || tr.y != ty) {
this.view.x0 = pageLayout.x;
this.view.y0 = pageLayout.y;
this.autoTranslate = true;
// Requires full revalidation
this.view.setTranslate(tr.x, tr.y);
this.container.scrollLeft += Math.round((tr.x - tx) * this.view.scale);
this.container.scrollTop += Math.round((tr.y - ty) * this.view.scale);
this.autoTranslate = false;
return;
}
}
graphSizeDidChange.apply(this, arguments);
}
else {
// Fires event but does not invoke superclass
this.fireEvent(new mxEventObject(mxEvent.SIZE,
'bounds', this.getGraphBounds()));
}
};
}
}
// Accumulates the zoom factor while the rendering is taking place
// so that not the complete sequence of zoom steps must be painted
var bgGroup = graph.view.getBackgroundPane();
var mainGroup = graph.view.getDrawPane();
graph.cumulativeZoomFactor = 1;
var updateZoomTimeout = null;
var cursorPosition = null;
var scrollPosition = null;
var forcedZoom = null;
var filter = null;
var mult = 20;
var scheduleZoom = function (delay) {
if (updateZoomTimeout != null) {
window.clearTimeout(updateZoomTimeout);
}
if (delay >= 0) {
window.setTimeout(function () {
if (!graph.isMouseDown || forcedZoom) {
updateZoomTimeout = window.setTimeout(mxUtils.bind(this, function () {
if (graph.isFastZoomEnabled()) {
// Transforms background page
if (graph.view.backgroundPageShape != null && graph.view.backgroundPageShape.node != null) {
mxUtils.setPrefixedStyle(graph.view.backgroundPageShape.node.style, 'transform-origin', null);
mxUtils.setPrefixedStyle(graph.view.backgroundPageShape.node.style, 'transform', null);
}
// Transforms graph and background image
mainGroup.style.transformOrigin = '';
bgGroup.style.transformOrigin = '';
// Workaround for no reset of transform in Safari
if (mxClient.IS_SF) {
mainGroup.style.transform = 'scale(1)';
bgGroup.style.transform = 'scale(1)';
window.setTimeout(function () {
mainGroup.style.transform = '';
bgGroup.style.transform = '';
}, 0)
}
else {
mainGroup.style.transform = '';
bgGroup.style.transform = '';
}
// Shows interactive elements
graph.view.getDecoratorPane().style.opacity = '';
graph.view.getOverlayPane().style.opacity = '';
}
var sp = new mxPoint(graph.container.scrollLeft, graph.container.scrollTop);
var offset = mxUtils.getOffset(graph.container);
var prev = graph.view.scale;
var dx = 0;
var dy = 0;
if (cursorPosition != null) {
dx = graph.container.offsetWidth / 2 - cursorPosition.x + offset.x;
dy = graph.container.offsetHeight / 2 - cursorPosition.y + offset.y;
}
graph.zoom(graph.cumulativeZoomFactor, null,
graph.isFastZoomEnabled() ? mult : null);
var s = graph.view.scale;
if (s != prev) {
if (scrollPosition != null) {
dx += sp.x - scrollPosition.x;
dy += sp.y - scrollPosition.y;
}
if (resize != null) {
ui.chromelessResize(false, null, dx * (graph.cumulativeZoomFactor - 1),
dy * (graph.cumulativeZoomFactor - 1));
}
if (mxUtils.hasScrollbars(graph.container) && (dx != 0 || dy != 0)) {
graph.container.scrollLeft -= dx * (graph.cumulativeZoomFactor - 1);
graph.container.scrollTop -= dy * (graph.cumulativeZoomFactor - 1);
}
}
if (filter != null) {
mainGroup.setAttribute('filter', filter);
}
graph.cumulativeZoomFactor = 1;
updateZoomTimeout = null;
scrollPosition = null;
cursorPosition = null;
forcedZoom = null;
filter = null;
}), (delay != null) ? delay : ((graph.isFastZoomEnabled()) ? ui.wheelZoomDelay : ui.lazyZoomDelay));
}
}, 0);
}
};
graph.lazyZoom = function (zoomIn, ignoreCursorPosition, delay, factor) {
factor = (factor != null) ? factor : this.zoomFactor;
// TODO: Fix ignored cursor position if scrollbars are disabled
ignoreCursorPosition = ignoreCursorPosition || !graph.scrollbars;
if (ignoreCursorPosition) {
cursorPosition = new mxPoint(
graph.container.offsetLeft + graph.container.clientWidth / 2,
graph.container.offsetTop + graph.container.clientHeight / 2);
}
// Switches to 5% zoom steps below 15%
if (zoomIn) {
if (this.view.scale * this.cumulativeZoomFactor <= 0.15) {
this.cumulativeZoomFactor *= (this.view.scale + 0.05) / this.view.scale;
}
else {
this.cumulativeZoomFactor *= factor;
this.cumulativeZoomFactor = Math.round(this.view.scale * this.cumulativeZoomFactor * 100) / 100 / this.view.scale;
}
}
else {
if (this.view.scale * this.cumulativeZoomFactor <= 0.15) {
this.cumulativeZoomFactor *= (this.view.scale - 0.05) / this.view.scale;
}
else {
this.cumulativeZoomFactor /= factor;
this.cumulativeZoomFactor = Math.round(this.view.scale * this.cumulativeZoomFactor * 100) / 100 / this.view.scale;
}
}
this.cumulativeZoomFactor = Math.max(0.05, Math.min(this.view.scale * this.cumulativeZoomFactor, 160)) / this.view.scale;
if (graph.isFastZoomEnabled()) {
if (filter == null && mainGroup.getAttribute('filter') != '') {
filter = mainGroup.getAttribute('filter');
mainGroup.removeAttribute('filter');
}
scrollPosition = new mxPoint(graph.container.scrollLeft, graph.container.scrollTop);
// Applies final rounding to preview
var f = Math.round((Math.round(this.view.scale * this.cumulativeZoomFactor *
100) / 100) * mult) / (mult * this.view.scale);
var cx = (ignoreCursorPosition || cursorPosition == null) ?
graph.container.scrollLeft + graph.container.clientWidth / 2 :
cursorPosition.x + graph.container.scrollLeft - graph.container.offsetLeft;
var cy = (ignoreCursorPosition || cursorPosition == null) ?
graph.container.scrollTop + graph.container.clientHeight / 2 :
cursorPosition.y + graph.container.scrollTop - graph.container.offsetTop;
mainGroup.style.transformOrigin = cx + 'px ' + cy + 'px';
mainGroup.style.transform = 'scale(' + f + ')';
bgGroup.style.transformOrigin = cx + 'px ' + cy + 'px';
bgGroup.style.transform = 'scale(' + f + ')';
if (graph.view.backgroundPageShape != null && graph.view.backgroundPageShape.node != null) {
var page = graph.view.backgroundPageShape.node;
mxUtils.setPrefixedStyle(page.style, 'transform-origin',
((ignoreCursorPosition || cursorPosition == null) ?
((graph.container.clientWidth / 2 + graph.container.scrollLeft -
page.offsetLeft) + 'px') : ((cursorPosition.x + graph.container.scrollLeft -
page.offsetLeft - graph.container.offsetLeft) + 'px')) + ' ' +
((ignoreCursorPosition || cursorPosition == null) ?
((graph.container.clientHeight / 2 + graph.container.scrollTop -
page.offsetTop) + 'px') : ((cursorPosition.y + graph.container.scrollTop -
page.offsetTop - graph.container.offsetTop) + 'px')));
mxUtils.setPrefixedStyle(page.style, 'transform', 'scale(' + f + ')');
}
else {
graph.view.validateBackgroundStyles(f, cx, cy);
}
graph.view.getDecoratorPane().style.opacity = '0';
graph.view.getOverlayPane().style.opacity = '0';
if (ui.hoverIcons != null) {
ui.hoverIcons.reset();
}
graph.fireEvent(new mxEventObject('zoomPreview', 'factor', f));
}
scheduleZoom(graph.isFastZoomEnabled() ? delay : 0);
};
// Holds back repaint until after mouse gestures
mxEvent.addGestureListeners(graph.container, function (evt) {
if (updateZoomTimeout != null) {
window.clearTimeout(updateZoomTimeout);
}
}, null, function (evt) {
if (graph.cumulativeZoomFactor != 1) {
scheduleZoom(0);
}
});
// Holds back repaint until scroll ends
mxEvent.addListener(graph.container, 'scroll', function (evt) {
if (updateZoomTimeout != null && !graph.isMouseDown && graph.cumulativeZoomFactor != 1) {
scheduleZoom(0);
}
});
mxEvent.addMouseWheelListener(mxUtils.bind(this, function (evt, up, force, cx, cy) {
graph.fireEvent(new mxEventObject('wheel'));
if (this.dialogs == null || this.dialogs.length == 0) {
// Scrolls with scrollbars turned off
if (!graph.scrollbars && !force && graph.isScrollWheelEvent(evt)) {
var t = graph.view.getTranslate();
var step = 40 / graph.view.scale;
if (!mxEvent.isShiftDown(evt)) {
graph.view.setTranslate(t.x, t.y + ((up) ? step : -step));
}
else {
graph.view.setTranslate(t.x + ((up) ? -step : step), t.y);
}
}
else if (force || graph.isZoomWheelEvent(evt)) {
var source = mxEvent.getSource(evt);
while (source != null) {
if (source == graph.container) {
graph.tooltipHandler.hideTooltip();
cursorPosition = (cx != null && cy != null) ? new mxPoint(cx, cy) :
new mxPoint(mxEvent.getClientX(evt), mxEvent.getClientY(evt));
forcedZoom = force;
var factor = graph.zoomFactor;
var delay = null;
// Slower zoom for pinch gesture on trackpad with max delta to
// filter out mouse wheel events in Brave browser for Windows
if (evt.ctrlKey && evt.deltaY != null && Math.abs(evt.deltaY) < 40 &&
Math.round(evt.deltaY) != evt.deltaY) {
factor = 1 + (Math.abs(evt.deltaY) / 20) * (factor - 1);
}
// Slower zoom for pinch gesture on touch screens
else if (evt.movementY != null && evt.type == 'pointermove') {
factor = 1 + (Math.max(1, Math.abs(evt.movementY)) / 20) * (factor - 1);
delay = -1;
}
graph.lazyZoom(up, null, delay, factor);
mxEvent.consume(evt);
return false;
}
source = source.parentNode;
}
}
}
}), graph.container);
// Uses fast zoom for pinch gestures on iOS
graph.panningHandler.zoomGraph = function (evt) {
graph.cumulativeZoomFactor = evt.scale;
graph.lazyZoom(evt.scale > 0, true);
mxEvent.consume(evt);
};
};
/**
* Creates a temporary graph instance for rendering off-screen content.
*/
EditorUi.prototype.addChromelessToolbarItems = function (addButton) {
addButton(mxUtils.bind(this, function (evt) {
this.actions.get('print').funct();
mxEvent.consume(evt);
}), Editor.printImage, mxResources.get('print'));
};
/**
* Creates a temporary graph instance for rendering off-screen content.
*/
EditorUi.prototype.isPagesEnabled = function () {
return this.editor.editable || urlParams['hide-pages'] != '1';
};
/**
* Creates a temporary graph instance for rendering off-screen content.
*/
EditorUi.prototype.createTemporaryGraph = function (stylesheet) {
return Graph.createOffscreenGraph(stylesheet);
};
/**
*
*/
EditorUi.prototype.addChromelessClickHandler = function () {
var hl = urlParams['highlight'];
// Adds leading # for highlight color code
if (hl != null && hl.length > 0) {
hl = '#' + hl;
}
this.editor.graph.addClickHandler(hl);
};
/**
*
*/
EditorUi.prototype.toggleFormatPanel = function (visible) {
visible = (visible != null) ? visible : this.formatWidth == 0;
if (this.format != null) {
this.formatWidth = (visible) ? 240 : 0;
this.formatContainer.style.width = this.formatWidth + 'px';
this.refresh();
this.format.refresh();
this.fireEvent(new mxEventObject('formatWidthChanged'));
}
};
/**
*
*/
EditorUi.prototype.isFormatPanelVisible = function () {
return this.formatWidth > 0;
};
/**
* Adds support for placeholders in labels.
*/
EditorUi.prototype.lightboxFit = function (maxHeight) {
if (this.isDiagramEmpty()) {
this.editor.graph.view.setScale(1);
}
else {
var p = urlParams['border'];
var border = 60;
if (p != null) {
border = parseInt(p);
}
// LATER: Use initial graph bounds to avoid rounding errors
this.editor.graph.maxFitScale = this.lightboxMaxFitScale;
this.editor.graph.fit(border, null, null, null, null, null, maxHeight);
this.editor.graph.maxFitScale = null;
}
};
/**
* Translates this point by the given vector.
*
* @param {number} dx X-coordinate of the translation.
* @param {number} dy Y-coordinate of the translation.
*/
EditorUi.prototype.isDiagramEmpty = function () {
var model = this.editor.graph.getModel();
return model.getChildCount(model.root) == 1 && model.getChildCount(model.getChildAt(model.root, 0)) == 0;
};
/**
* Hook for allowing selection and context menu for certain events.
*/
EditorUi.prototype.isSelectionAllowed = function (evt) {
return mxEvent.getSource(evt).nodeName == 'SELECT' || (mxEvent.getSource(evt).nodeName == 'INPUT' &&
mxUtils.isAncestorNode(this.formatContainer, mxEvent.getSource(evt)));
};
/**
* Installs dialog if browser window is closed without saving
* This must be disabled during save and image export.
*/
EditorUi.prototype.addBeforeUnloadListener = function () {
// Installs dialog if browser window is closed without saving
// This must be disabled during save and image export
window.onbeforeunload = mxUtils.bind(this, function () {
if (!this.editor.isChromelessView()) {
return this.onBeforeUnload();
}
});
};
/**
* Sets the onbeforeunload for the application
*/
EditorUi.prototype.onBeforeUnload = function () {
if (this.editor.modified) {
return mxResources.get('allChangesLost');
}
};
/**
* Opens the current diagram via the window.opener if one exists.
*/
EditorUi.prototype.open = function () {
// Cross-domain window access is not allowed in FF, so if we
// were opened from another domain then this will fail.
try {
if (window.opener != null && window.opener.openFile != null) {
window.opener.openFile.setConsumer(mxUtils.bind(this, function (xml, filename) {
try {
var doc = mxUtils.parseXml(xml);
this.editor.setGraphXml(doc.documentElement);
this.editor.setModified(false);
this.editor.undoManager.clear();
if (filename != null) {
this.editor.setFilename(filename);
this.updateDocumentTitle();
}
return;
}
catch (e) {
mxUtils.alert(mxResources.get('invalidOrMissingFile') + ': ' + e.message);
}
}));
}
}
catch (e) {
// ignore
}
// Fires as the last step if no file was loaded
this.editor.graph.view.validate();
// Required only in special cases where an initial file is opened
// and the minimumGraphSize changes and CSS must be updated.
this.editor.graph.sizeDidChange();
this.editor.fireEvent(new mxEventObject('resetGraphView'));
};
/**
* Shows the given popup menu.
*/
EditorUi.prototype.showPopupMenu = function (fn, x, y, evt) {
this.editor.graph.popupMenuHandler.hideMenu();
var menu = new mxPopupMenu(fn);
menu.div.className += ' geMenubarMenu';
menu.smartSeparators = true;
menu.showDisabled = true;
menu.autoExpand = true;
// Disables autoexpand and destroys menu when hidden
menu.hideMenu = mxUtils.bind(this, function () {
mxPopupMenu.prototype.hideMenu.apply(menu, arguments);
menu.destroy();
});
menu.popup(x, y, null, evt);
// Allows hiding by clicking on document
this.setCurrentMenu(menu);
};
/**
* Sets the current menu and element.
*/
EditorUi.prototype.setCurrentMenu = function (menu, elt) {
this.currentMenuElt = elt;
this.currentMenu = menu;
this.hideShapePicker();
};
/**
* Resets the current menu and element.
*/
EditorUi.prototype.resetCurrentMenu = function () {
this.currentMenuElt = null;
this.currentMenu = null;
};
/**
* Hides and destroys the current menu.
*/
EditorUi.prototype.hideCurrentMenu = function () {
if (this.currentMenu != null) {
this.currentMenu.hideMenu();
this.resetCurrentMenu();
}
};
/**
* Updates the document title.
*/
EditorUi.prototype.updateDocumentTitle = function () {
var title = this.editor.getOrCreateFilename();
if (this.editor.appName != null) {
title += ' - ' + this.editor.appName;
}
document.title = title;
};
/**
* Updates the document title.
*/
EditorUi.prototype.createHoverIcons = function () {
return new HoverIcons(this.editor.graph);
};
/**
* Returns the URL for a copy of this editor with no state.
*/
EditorUi.prototype.redo = function () {
try {
var graph = this.editor.graph;
if (graph.isEditing()) {
document.execCommand('redo', false, null);
}
else {
this.editor.undoManager.redo();
}
}
catch (e) {
// ignore all errors
}
};
/**
* Returns the URL for a copy of this editor with no state.
*/
EditorUi.prototype.undo = function () {
try {
var graph = this.editor.graph;
if (graph.isEditing()) {
// Stops editing and executes undo on graph if native undo
// does not affect current editing value
var value = graph.cellEditor.textarea.innerHTML;
document.execCommand('undo', false, null);
if (value == graph.cellEditor.textarea.innerHTML) {
graph.stopEditing(true);
this.editor.undoManager.undo();
}
}
else {
this.editor.undoManager.undo();
}
}
catch (e) {
// ignore all errors
}
};
/**
* Returns the URL for a copy of this editor with no state.
*/
EditorUi.prototype.canRedo = function () {
return this.editor.graph.isEditing() || this.editor.undoManager.canRedo();
};
/**
* Returns the URL for a copy of this editor with no state.
*/
EditorUi.prototype.canUndo = function () {
return this.editor.graph.isEditing() || this.editor.undoManager.canUndo();
};
/**
*
*/
EditorUi.prototype.getEditBlankXml = function () {
return mxUtils.getXml(this.editor.getGraphXml());
};
/**
* Returns the URL for a copy of this editor with no state.
*/
EditorUi.prototype.getUrl = function (pathname) {
var href = (pathname != null) ? pathname : window.location.pathname;
var parms = (href.indexOf('?') > 0) ? 1 : 0;
// Removes template URL parameter for new blank diagram
for (var key in urlParams) {
if (parms == 0) {
href += '?';
}
else {
href += '&';
}
href += key + '=' + urlParams[key];
parms++;
}
return href;
};
/**
* Specifies if the graph has scrollbars.
*/
EditorUi.prototype.setScrollbars = function (value) {
var graph = this.editor.graph;
var prev = graph.container.style.overflow;
graph.scrollbars = value;
this.editor.updateGraphComponents();
if (prev != graph.container.style.overflow) {
graph.container.scrollTop = 0;
graph.container.scrollLeft = 0;
graph.view.scaleAndTranslate(1, 0, 0);
this.resetScrollbars();
}
this.fireEvent(new mxEventObject('scrollbarsChanged'));
};
/**
* Function: fitDiagramToWindow
*
* Zooms the diagram to fit into the window.
*/
EditorUi.prototype.fitDiagramToWindow = function () {
var graph = this.editor.graph;
var bounds = (graph.isSelectionEmpty()) ?
mxRectangle.fromRectangle(graph.getGraphBounds()) :
graph.getBoundingBox(graph.getSelectionCells())
var t = graph.view.translate;
var s = graph.view.scale;
bounds.x = bounds.x / s - t.x;
bounds.y = bounds.y / s - t.y;
bounds.width /= s;
bounds.height /= s;
if (graph.backgroundImage != null) {
bounds.add(new mxRectangle(0, 0,
graph.backgroundImage.width,
graph.backgroundImage.height));
}
if (bounds.width == 0 || bounds.height == 0) {
graph.zoomTo(1);
this.resetScrollbars();
}
else {
var b = Editor.fitWindowBorders;
if (b != null) {
bounds.x -= b.x;
bounds.y -= b.y;
bounds.width += b.width + b.x;
bounds.height += b.height + b.y;
}
graph.fitWindow(bounds);
}
};
/**
* Returns true if the graph has scrollbars.
*/
EditorUi.prototype.hasScrollbars = function () {
return this.editor.graph.scrollbars;
};
/**
* Resets the state of the scrollbars.
*/
EditorUi.prototype.resetScrollbars = function () {
var graph = this.editor.graph;
var c = graph.container;
if (!this.editor.extendCanvas) {
c.scrollTop = 0;
c.scrollLeft = 0;
if (!mxUtils.hasScrollbars(c)) {
graph.view.setTranslate(0, 0);
}
}
else if (!this.editor.isChromelessView()) {
if (mxUtils.hasScrollbars(c)) {
if (graph.pageVisible) {
var pad = graph.getPagePadding();
c.scrollTop = Math.floor(pad.y - this.editor.initialTopSpacing) - 1;
c.scrollLeft = Math.floor(Math.min(pad.x,
(c.scrollWidth - c.clientWidth) / 2)) - 1;
// Scrolls graph to visible area
var bounds = graph.getGraphBounds();
if (bounds.width > 0 && bounds.height > 0) {
if (bounds.x > c.scrollLeft + c.clientWidth * 0.9) {
c.scrollLeft = Math.min(bounds.x + bounds.width - c.clientWidth, bounds.x - 10);
}
if (bounds.y > c.scrollTop + c.clientHeight * 0.9) {
c.scrollTop = Math.min(bounds.y + bounds.height - c.clientHeight, bounds.y - 10);
}
}
}
else {
var bounds = graph.getGraphBounds();
if (bounds.width == 0 && bounds.height == 0) {
c.scrollLeft = (c.scrollWidth - c.clientWidth) / 2;
c.scrollTop = (c.scrollHeight - c.clientHeight) / 2;
}
else {
var width = Math.max(bounds.width, graph.scrollTileSize.width * graph.view.scale);
var height = Math.max(bounds.height, graph.scrollTileSize.height * graph.view.scale);
c.scrollLeft = Math.floor(Math.max(0, bounds.x - Math.max(0, (c.clientWidth - width) / 2)));
c.scrollTop = Math.floor(Math.max(0, bounds.y - Math.max(20, (c.clientHeight - height) / 4)));
}
}
}
else {
var b = mxRectangle.fromRectangle((graph.pageVisible) ?
graph.view.getBackgroundPageBounds() :
graph.getGraphBounds())
var tr = graph.view.translate;
var s = graph.view.scale;
b.x = b.x / s - tr.x;
b.y = b.y / s - tr.y;
b.width /= s;
b.height /= s;
var dy = (graph.pageVisible) ? 0 : Math.max(0, (c.clientHeight - b.height) / 4);
graph.view.setTranslate(Math.floor(Math.max(0,
(c.clientWidth - b.width) / 2) - b.x + 2),
Math.floor(dy - b.y + 1));
}
}
};
/**
* Loads the stylesheet for this graph.
*/
EditorUi.prototype.setPageVisible = function (value) {
var graph = this.editor.graph;
var hasScrollbars = mxUtils.hasScrollbars(graph.container);
var tx = 0;
var ty = 0;
if (hasScrollbars) {
tx = graph.view.translate.x * graph.view.scale - graph.container.scrollLeft;
ty = graph.view.translate.y * graph.view.scale - graph.container.scrollTop;
}
graph.pageVisible = value;
graph.pageBreaksVisible = value;
graph.preferPageSize = value;
graph.view.validateBackground();
// Workaround for possible handle offset
if (hasScrollbars) {
var cells = graph.getSelectionCells();
graph.clearSelection();
graph.setSelectionCells(cells);
}
// Calls updatePageBreaks
graph.sizeDidChange();
if (hasScrollbars) {
graph.container.scrollLeft = graph.view.translate.x * graph.view.scale - tx;
graph.container.scrollTop = graph.view.translate.y * graph.view.scale - ty;
}
graph.defaultPageVisible = value;
this.fireEvent(new mxEventObject('pageViewChanged'));
};
/**
* Loads the stylesheet for this graph.
*/
EditorUi.prototype.installResizeHandler = function (dialog, resizable, destroy) {
if (resizable) {
dialog.window.setSize = function (w, h) {
if (!this.minimized) {
var iw = window.innerWidth || document.body.clientWidth || document.documentElement.clientWidth;
var ih = window.innerHeight || document.body.clientHeight || document.documentElement.clientHeight;
w = Math.min(w, iw - this.getX());
h = Math.min(h, ih - this.getY());
}
mxWindow.prototype.setSize.apply(this, arguments);
};
}
dialog.window.setLocation = function (x, y) {
var iw = window.innerWidth || document.body.clientWidth || document.documentElement.clientWidth;
var ih = window.innerHeight || document.body.clientHeight || document.documentElement.clientHeight;
var w = parseInt(this.div.style.width);
var h = parseInt(this.div.style.height);
x = Math.max(0, Math.min(x, iw - w));
y = Math.max(0, Math.min(y, ih - h));
if (this.getX() != x || this.getY() != y) {
mxWindow.prototype.setLocation.apply(this, arguments);
}
if (resizable && !this.minimized) {
this.setSize(w, h);
}
};
var resizeListener = mxUtils.bind(this, function () {
var x = dialog.window.getX();
var y = dialog.window.getY();
dialog.window.setLocation(x, y);
});
mxEvent.addListener(window, 'resize', resizeListener);
dialog.destroy = function () {
mxEvent.removeListener(window, 'resize', resizeListener);
dialog.window.destroy();
if (destroy != null) {
destroy();
}
}
};
/**
* Class: ChangeGridColor
*
* Undoable change to grid color.
*/
function ChangeGridColor(ui, color) {
this.ui = ui;
this.color = color;
};
/**
* Executes selection of a new page.
*/
ChangeGridColor.prototype.execute = function () {
var temp = this.ui.editor.graph.view.gridColor;
this.ui.setGridColor(this.color);
this.color = temp;
};
// Registers codec for ChangePageSetup
(function () {
var codec = new mxObjectCodec(new ChangeGridColor(), ['ui']);
mxCodecRegistry.register(codec);
})();
/**
* Change types
*/
function ChangePageSetup(ui, color, image, format, pageScale) {
this.ui = ui;
this.color = color;
this.previousColor = color;
this.image = image;
this.previousImage = image;
this.format = format;
this.previousFormat = format;
this.pageScale = pageScale;
this.previousPageScale = pageScale;
// Needed since null are valid values for color and image
this.ignoreColor = false;
this.ignoreImage = false;
}
/**
* Implementation of the undoable page rename.
*/
ChangePageSetup.prototype.execute = function () {
var graph = this.ui.editor.graph;
if (!this.ignoreColor) {
this.color = this.previousColor;
var tmp = graph.background;
this.ui.setBackgroundColor(this.previousColor);
this.previousColor = tmp;
}
if (!this.ignoreImage) {
this.image = this.previousImage;
var tmp = graph.backgroundImage;
var img = this.previousImage;
if (img != null && Graph.isPageLink(img.src)) {
img = this.ui.createImageForPageLink(img.src, this.ui.currentPage);
}
this.ui.setBackgroundImage(img);
this.previousImage = tmp;
}
if (this.previousFormat != null) {
this.format = this.previousFormat;
var tmp = graph.pageFormat;
if (this.previousFormat.width != tmp.width ||
this.previousFormat.height != tmp.height) {
this.ui.setPageFormat(this.previousFormat);
this.previousFormat = tmp;
}
}
if (this.foldingEnabled != null && this.foldingEnabled != this.ui.editor.graph.foldingEnabled) {
this.ui.setFoldingEnabled(this.foldingEnabled);
this.foldingEnabled = !this.foldingEnabled;
}
if (this.previousPageScale != null) {
var currentPageScale = this.ui.editor.graph.pageScale;
if (this.previousPageScale != currentPageScale) {
this.ui.setPageScale(this.previousPageScale);
this.previousPageScale = currentPageScale;
}
}
};
// Registers codec for ChangePageSetup
(function () {
var codec = new mxObjectCodec(new ChangePageSetup(), ['ui', 'previousColor', 'previousImage', 'previousFormat', 'previousPageScale']);
codec.afterDecode = function (dec, node, obj) {
obj.previousColor = obj.color;
obj.previousImage = obj.image;
obj.previousFormat = obj.format;
obj.previousPageScale = obj.pageScale;
if (obj.foldingEnabled != null) {
obj.foldingEnabled = !obj.foldingEnabled;
}
return obj;
};
mxCodecRegistry.register(codec);
})();
/**
* Loads the stylesheet for this graph.
*/
EditorUi.prototype.setBackgroundColor = function (value) {
this.editor.graph.background = value;
this.editor.graph.view.validateBackground();
this.fireEvent(new mxEventObject('backgroundColorChanged'));
};
/**
* Loads the stylesheet for this graph.
*/
EditorUi.prototype.setFoldingEnabled = function (value) {
this.editor.graph.foldingEnabled = value;
this.editor.graph.view.revalidate();
this.fireEvent(new mxEventObject('foldingEnabledChanged'));
};
/**
* Loads the stylesheet for this graph.
*/
EditorUi.prototype.setPageFormat = function (value, ignorePageVisible) {
ignorePageVisible = (ignorePageVisible != null) ? ignorePageVisible : urlParams['sketch'] == '1';
this.editor.graph.pageFormat = value;
if (!ignorePageVisible) {
if (!this.editor.graph.pageVisible) {
this.actions.get('pageView').funct();
}
else {
this.editor.graph.view.validateBackground();
this.editor.graph.sizeDidChange();
}
}
this.fireEvent(new mxEventObject('pageFormatChanged'));
};
/**
* Loads the stylesheet for this graph.
*/
EditorUi.prototype.setPageScale = function (value) {
this.editor.graph.pageScale = value;
if (!this.editor.graph.pageVisible) {
this.actions.get('pageView').funct();
}
else {
this.editor.graph.view.validateBackground();
this.editor.graph.sizeDidChange();
}
this.fireEvent(new mxEventObject('pageScaleChanged'));
};
/**
* Loads the stylesheet for this graph.
*/
EditorUi.prototype.setGridColor = function (value) {
this.editor.graph.view.gridColor = value;
this.editor.graph.view.validateBackground();
this.fireEvent(new mxEventObject('gridColorChanged'));
};
/**
* Updates the states of the given undo/redo items.
*/
EditorUi.prototype.addUndoListener = function () {
var undoMgr = this.editor.undoManager;
var undoListener = mxUtils.bind(this, function () {
this.updateActionStates();
});
undoMgr.addListener(mxEvent.ADD, undoListener);
undoMgr.addListener(mxEvent.UNDO, undoListener);
undoMgr.addListener(mxEvent.REDO, undoListener);
undoMgr.addListener(mxEvent.CLEAR, undoListener);
// Overrides cell editor to update action states
var cellEditorStartEditing = this.editor.graph.cellEditor.startEditing;
this.editor.graph.cellEditor.startEditing = function () {
cellEditorStartEditing.apply(this, arguments);
undoListener();
};
var cellEditorStopEditing = this.editor.graph.cellEditor.stopEditing;
this.editor.graph.cellEditor.stopEditing = function (cell, trigger) {
cellEditorStopEditing.apply(this, arguments);
undoListener();
};
// Updates the button states once
undoListener();
};
/**
* Updates the states of the given toolbar items based on the selection.
*/
EditorUi.prototype.updateActionStates = function () {
var graph = this.editor.graph;
var ss = this.getSelectionState();
var unlocked = graph.isEnabled() && !graph.isCellLocked(graph.getDefaultParent());
var editable = !this.editor.chromeless || this.editor.editable;
// Updates action states
var actions = ['cut', 'copy', 'bold', 'italic', 'underline', 'delete', 'duplicate',
'editStyle', 'editTooltip', 'editLink', 'backgroundColor', 'borderColor',
'edit', 'toFront', 'toBack', 'solid', 'dashed', 'pasteSize',
'dotted', 'fillColor', 'gradientColor', 'shadow', 'fontColor',
'formattedText', 'rounded', 'toggleRounded', 'strokeColor',
'sharp', 'snapToGrid'];
for (var i = 0; i < actions.length; i++) {
this.actions.get(actions[i]).setEnabled(ss.cells.length > 0);
}
this.actions.get('grid').setEnabled(editable);
this.actions.get('undo').setEnabled(this.canUndo() && editable);
this.actions.get('redo').setEnabled(this.canRedo() && editable);
this.actions.get('pasteSize').setEnabled(this.copiedSize != null && ss.vertices.length > 0);
this.actions.get('pasteData').setEnabled(this.copiedValue != null && ss.cells.length > 0);
this.actions.get('setAsDefaultStyle').setEnabled(graph.getSelectionCount() == 1);
this.actions.get('lockUnlock').setEnabled(!graph.isSelectionEmpty());
this.actions.get('bringForward').setEnabled(ss.cells.length == 1);
this.actions.get('sendBackward').setEnabled(ss.cells.length == 1);
this.actions.get('rotation').setEnabled(ss.vertices.length == 1);
this.actions.get('wordWrap').setEnabled(ss.vertices.length == 1);
this.actions.get('autosize').setEnabled(ss.vertices.length > 0);
this.actions.get('copySize').setEnabled(ss.vertices.length == 1);
this.actions.get('clearWaypoints').setEnabled(ss.connections);
this.actions.get('curved').setEnabled(ss.edges.length > 0);
this.actions.get('turn').setEnabled(ss.cells.length > 0);
this.actions.get('group').setEnabled(!ss.row && !ss.cell &&
(ss.cells.length > 1 || (ss.vertices.length == 1 &&
graph.model.getChildCount(ss.cells[0]) == 0 &&
!graph.isContainer(ss.vertices[0]))));
this.actions.get('ungroup').setEnabled(!ss.row && !ss.cell && !ss.table &&
ss.vertices.length > 0 && (graph.isContainer(ss.vertices[0]) ||
graph.getModel().getChildCount(ss.vertices[0]) > 0));
this.actions.get('removeFromGroup').setEnabled(ss.cells.length == 1 &&
graph.getModel().isVertex(graph.getModel().getParent(ss.cells[0])));
this.actions.get('collapsible').setEnabled(ss.vertices.length == 1 &&
(graph.model.getChildCount(ss.vertices[0]) > 0 ||
graph.isContainer(ss.vertices[0])));
this.actions.get('exitGroup').setEnabled(graph.view.currentRoot != null);
this.actions.get('home').setEnabled(graph.view.currentRoot != null);
this.actions.get('enterGroup').setEnabled(ss.cells.length == 1 &&
graph.isValidRoot(ss.cells[0]));
this.actions.get('copyData').setEnabled(ss.cells.length == 1);
this.actions.get('editLink').setEnabled(ss.cells.length == 1);
this.actions.get('editStyle').setEnabled(ss.cells.length == 1);
this.actions.get('editTooltip').setEnabled(ss.cells.length == 1);
this.actions.get('openLink').setEnabled(ss.cells.length == 1 &&
graph.getLinkForCell(ss.cells[0]) != null);
this.actions.get('guides').setEnabled(graph.isEnabled());
this.actions.get('selectVertices').setEnabled(unlocked);
this.actions.get('selectEdges').setEnabled(unlocked);
this.actions.get('selectAll').setEnabled(unlocked);
this.actions.get('selectNone').setEnabled(unlocked);
var foldable = ss.vertices.length == 1 &&
graph.isCellFoldable(ss.vertices[0]);
this.actions.get('expand').setEnabled(foldable);
this.actions.get('collapse').setEnabled(foldable);
// Updates menu states
this.menus.get('navigation').setEnabled(ss.cells.length > 0 ||
graph.view.currentRoot != null);
this.menus.get('layout').setEnabled(unlocked);
this.menus.get('insert').setEnabled(unlocked);
this.menus.get('direction').setEnabled(ss.unlocked &&
ss.vertices.length == 1);
this.menus.get('distribute').setEnabled(ss.unlocked &&
ss.vertices.length > 1);
this.menus.get('align').setEnabled(ss.unlocked &&
ss.cells.length > 0);
this.updatePasteActionStates();
};
EditorUi.prototype.zeroOffset = new mxPoint(0, 0);
EditorUi.prototype.getDiagramContainerOffset = function () {
return this.zeroOffset;
};
/**
* Refreshes the viewport.
*/
EditorUi.prototype.refresh = function (sizeDidChange) {
sizeDidChange = (sizeDidChange != null) ? sizeDidChange : true;
var w = this.container.clientWidth;
var h = this.container.clientHeight;
if (this.container == document.body) {
w = document.body.clientWidth || document.documentElement.clientWidth;
h = document.documentElement.clientHeight;
}
// Workaround for bug on iOS see
// http://stackoverflow.com/questions/19012135/ios-7-ipad-safari-landscape-innerheight-outerheight-layout-issue
// FIXME: Fix if footer visible
var off = 0;
if (mxClient.IS_IOS && !window.navigator.standalone && typeof Menus !== 'undefined') {
if (window.innerHeight != document.documentElement.clientHeight) {
off = document.documentElement.clientHeight - window.innerHeight;
window.scrollTo(0, 0);
}
}
var effHsplitPosition = Math.max(0, Math.min(
this.hsplitPosition, w - this.splitSize - 40));
var tmp = 0;
if (this.menubar != null) {
this.menubarContainer.style.height = this.menubarHeight + 'px';
tmp += this.menubarHeight;
}
if (this.toolbar != null) {
this.toolbarContainer.style.top = this.menubarHeight + 'px';
this.toolbarContainer.style.height = this.toolbarHeight + 'px';
tmp += this.toolbarHeight;
}
if (tmp > 0) {
tmp += 1;
}
var fw = (this.format != null) ? this.formatWidth : 0;
this.sidebarContainer.style.top = tmp + 'px';
this.sidebarContainer.style.width = effHsplitPosition + 'px';
this.formatContainer.style.top = tmp + 'px';
this.formatContainer.style.width = fw + 'px';
this.formatContainer.style.display = (this.format != null) ? '' : 'none';
var diagContOffset = this.getDiagramContainerOffset();
var contLeft = (this.hsplit.parentNode != null) ? (effHsplitPosition) : 0;
this.footerContainer.style.height = this.footerHeight + 'px';
this.hsplit.style.top = this.sidebarContainer.style.top;
this.hsplit.style.left = effHsplitPosition + 'px';
this.footerContainer.style.display = (this.footerHeight == 0) ? 'none' : '';
if (this.tabContainer != null) {
this.tabContainer.style.left = contLeft + 'px';
this.hsplit.style.bottom = this.tabContainer.offsetHeight + 'px';
}
else {
this.hsplit.style.bottom = (this.footerHeight + off) + 'px';
}
if (this.footerHeight > 0) {
this.footerContainer.style.bottom = off + 'px';
}
var th = 0;
if (this.tabContainer != null) {
this.tabContainer.style.bottom = (this.footerHeight + off) + 'px';
this.tabContainer.style.right = fw + 'px';
th = this.tabContainer.clientHeight;
this.checkTabScrollerOverflow();
}
this.sidebarContainer.style.bottom = (this.footerHeight + off) + 'px';
this.formatContainer.style.bottom = (this.footerHeight + off) + 'px';
this.diagramContainer.style.left = (contLeft + diagContOffset.x) + 'px';
this.diagramContainer.style.top = (tmp + diagContOffset.y) + 'px';
this.diagramContainer.style.right = fw + 'px';
this.diagramContainer.style.bottom = (this.footerHeight + off + th) + 'px';
if (sizeDidChange) {
this.editor.graph.sizeDidChange();
}
};
/**
* Creates the required containers.
*/
EditorUi.prototype.createTabContainer = function () {
return null;
};
/**
* Creates the required containers.
*/
EditorUi.prototype.createDivs = function () {
this.menubarContainer = this.createDiv('geMenubarContainer');
this.toolbarContainer = this.createDiv('geToolbarContainer');
this.sidebarContainer = this.createDiv('geSidebarContainer');
this.formatContainer = this.createDiv('geSidebarContainer geFormatContainer');
this.diagramContainer = this.createDiv('geDiagramContainer');
this.footerContainer = this.createDiv('geFooterContainer');
this.hsplit = this.createDiv('geHsplit');
// Sets static style for containers
this.menubarContainer.style.top = '0px';
this.menubarContainer.style.left = '0px';
this.menubarContainer.style.right = '0px';
this.toolbarContainer.style.left = '0px';
this.toolbarContainer.style.right = '0px';
this.sidebarContainer.style.left = '0px';
this.sidebarContainer.style.zIndex = '1';
this.formatContainer.style.right = '0px';
this.formatContainer.style.zIndex = '1';
this.diagramContainer.style.right = ((this.format != null) ? this.formatWidth : 0) + 'px';
this.footerContainer.style.left = '0px';
this.footerContainer.style.right = '0px';
this.footerContainer.style.bottom = '0px';
this.footerContainer.style.zIndex = mxPopupMenu.prototype.zIndex - 3;
this.hsplit.style.width = this.splitSize + 'px';
this.hsplit.style.zIndex = '1';
if (!this.editor.chromeless) {
this.tabContainer = this.createTabContainer();
}
else {
this.diagramContainer.style.border = 'none';
}
};
/**
* Hook for sidebar footer container. This implementation returns null.
*/
EditorUi.prototype.createSidebarContainer = function () {
var div = document.createElement('div');
div.className = 'geSidebarContainer';
return div;
};
/**
* Creates the required containers.
*/
EditorUi.prototype.createUi = function () {
// Creates menubar
this.menubar = (this.editor.chromeless) ? null : this.menus.createMenubar(this.createDiv('geMenubar'));
if (this.menubar != null) {
this.menubarContainer.appendChild(this.menubar.container);
}
// Adds status bar in menubar
if (this.menubar != null) {
this.statusContainer = this.createStatusContainer();
// Connects the status bar to the editor status
this.editor.addListener('statusChanged', mxUtils.bind(this, function () {
this.setStatusText(this.editor.getStatus());
}));
this.setStatusText(this.editor.getStatus());
this.menubar.container.appendChild(this.statusContainer);
// Inserts into DOM
this.container.appendChild(this.menubarContainer);
}
// Creates the sidebar
this.sidebar = (this.editor.chromeless) ? null : this.createSidebar(this.sidebarContainer);
if (this.sidebar != null) {
this.container.appendChild(this.sidebarContainer);
}
// Creates the format sidebar
this.format = (this.editor.chromeless || !this.formatEnabled) ? null : this.createFormat(this.formatContainer);
if (this.format != null) {
this.container.appendChild(this.formatContainer);
}
// Creates the footer
var footer = (this.editor.chromeless) ? null : this.createFooter();
if (footer != null) {
this.footerContainer.appendChild(footer);
this.container.appendChild(this.footerContainer);
}
this.container.appendChild(this.diagramContainer);
if (this.container != null && this.tabContainer != null) {
this.container.appendChild(this.tabContainer);
}
// Creates toolbar
this.toolbar = (this.editor.chromeless) ? null : this.createToolbar(this.createDiv('geToolbar'));
if (this.toolbar != null) {
this.toolbarContainer.appendChild(this.toolbar.container);
this.container.appendChild(this.toolbarContainer);
}
// HSplit
if (this.sidebar != null) {
this.container.appendChild(this.hsplit);
this.addSplitHandler(this.hsplit, true, 0, mxUtils.bind(this, function (value) {
this.hsplitPosition = value;
this.refresh();
}));
}
};
/**
* Creates a new toolbar for the given container.
*/
EditorUi.prototype.createStatusContainer = function () {
var container = document.createElement('a');
container.className = 'geItem geStatus';
// Handles data-action attribute
mxEvent.addListener(container, 'click', mxUtils.bind(this, function (evt) {
var elt = mxEvent.getSource(evt);
if (elt.nodeName != 'A') {
var name = elt.getAttribute('data-action');
// Make generic
if (name == 'statusFunction' && this.editor.statusFunction != null) {
this.editor.statusFunction();
}
else if (name != null) {
var action = this.actions.get(name);
if (action != null) {
action.funct();
}
}
else {
var title = elt.getAttribute('data-title');
var msg = elt.getAttribute('data-message');
if (title != null && msg != null) {
this.showError(title, msg);
}
else {
var link = elt.getAttribute('data-link');
if (link != null) {
this.editor.graph.openLink(link);
}
}
}
mxEvent.consume(evt);
}
}));
return container;
};
/**
* Creates a new toolbar for the given container.
*/
EditorUi.prototype.setStatusText = function (value) {
this.statusContainer.innerHTML = Graph.sanitizeHtml(value);
// Wraps simple status messages in a div for styling
if (this.statusContainer.getElementsByTagName('div').length == 0 &&
value != null && value.length > 0) {
this.statusContainer.innerText = '';
var div = this.createStatusDiv(value);
this.statusContainer.appendChild(div);
}
// Handles data-effect attribute
var spans = this.statusContainer.querySelectorAll('[data-effect="fade"]');
if (spans != null) {
for (var i = 0; i < spans.length; i++) {
(function (temp) {
mxUtils.setOpacity(temp, 0);
mxUtils.setPrefixedStyle(temp.style, 'transform', 'scaleX(0)');
mxUtils.setPrefixedStyle(temp.style, 'transition', 'all 0.2s ease');
window.setTimeout(mxUtils.bind(this, function () {
mxUtils.setOpacity(temp, 100);
mxUtils.setPrefixedStyle(temp.style, 'transform', 'scaleX(1)');
mxUtils.setPrefixedStyle(temp.style, 'transition', 'all 1s ease');
window.setTimeout(mxUtils.bind(this, function () {
mxUtils.setPrefixedStyle(temp.style, 'transform', 'scaleX(0)');
mxUtils.setOpacity(temp, 0);
window.setTimeout(mxUtils.bind(this, function () {
if (temp.parentNode != null) {
temp.parentNode.removeChild(temp);
}
}), 1000);
}), Editor.updateStatusInterval / 2);
}), 0);
})(spans[i]);
}
}
};
/**
* Creates a new toolbar for the given container.
*/
EditorUi.prototype.createStatusDiv = function (value) {
var div = document.createElement('div');
div.style.textOverflow = 'ellipsis';
div.style.display = 'inline-block';
div.style.whiteSpace = 'nowrap';
div.style.overflow = 'hidden';
div.style.minWidth = '0';
div.setAttribute('title', value);
div.innerHTML = Graph.sanitizeHtml(value);
return div;
};
/**
* Creates a new toolbar for the given container.
*/
EditorUi.prototype.createToolbar = function (container) {
return new Toolbar(this, container);
};
/**
* Creates a new sidebar for the given container.
*/
EditorUi.prototype.createSidebar = function (container) {
return new Sidebar(this, container);
};
/**
* Creates a new sidebar for the given container.
*/
EditorUi.prototype.createFormat = function (container) {
return new Format(this, container);
};
/**
* Creates and returns a new footer.
*/
EditorUi.prototype.createFooter = function () {
return this.createDiv('geFooter');
};
/**
* Creates the actual toolbar for the toolbar container.
*/
EditorUi.prototype.createDiv = function (classname) {
var elt = document.createElement('div');
elt.className = classname;
return elt;
};
/**
* Updates the states of the given undo/redo items.
*/
EditorUi.prototype.addSplitHandler = function (elt, horizontal, dx, onChange) {
var start = null;
var initial = null;
var ignoreClick = true;
var last = null;
// Disables built-in pan and zoom in IE10 and later
if (mxClient.IS_POINTER) {
elt.style.touchAction = 'none';
}
var getValue = mxUtils.bind(this, function () {
var result = parseInt(((horizontal) ? elt.style.left : elt.style.bottom));
// Takes into account hidden footer
if (!horizontal) {
result = result + dx - this.footerHeight;
}
return result;
});
function moveHandler(evt) {
if (start != null) {
var pt = new mxPoint(mxEvent.getClientX(evt), mxEvent.getClientY(evt));
onChange(Math.max(0, initial + ((horizontal) ? (pt.x - start.x) : (start.y - pt.y)) - dx));
mxEvent.consume(evt);
if (initial != getValue()) {
ignoreClick = true;
last = null;
}
}
};
function dropHandler(evt) {
moveHandler(evt);
initial = null;
start = null;
};
mxEvent.addGestureListeners(elt, function (evt) {
start = new mxPoint(mxEvent.getClientX(evt), mxEvent.getClientY(evt));
initial = getValue();
ignoreClick = false;
mxEvent.consume(evt);
});
mxEvent.addListener(elt, 'click', mxUtils.bind(this, function (evt) {
if (!ignoreClick && this.hsplitClickEnabled) {
var next = (last != null) ? last - dx : 0;
last = getValue();
onChange(next);
mxEvent.consume(evt);
}
}));
mxEvent.addGestureListeners(document, null, moveHandler, dropHandler);
this.destroyFunctions.push(function () {
mxEvent.removeGestureListeners(document, null, moveHandler, dropHandler);
});
};
/**
* Translates this point by the given vector.
*
* @param {number} dx X-coordinate of the translation.
* @param {number} dy Y-coordinate of the translation.
*/
EditorUi.prototype.prompt = function (title, defaultValue, fn) {
var dlg = new FilenameDialog(this, defaultValue, mxResources.get('apply'), function (newValue) {
fn(parseFloat(newValue));
}, title);
this.showDialog(dlg.container, 300, 80, true, true);
dlg.init();
};
/**
* Translates this point by the given vector.
*
* @param {number} dx X-coordinate of the translation.
* @param {number} dy Y-coordinate of the translation.
*/
EditorUi.prototype.handleError = function (resp, title, fn, invokeFnOnClose, notFoundMessage) {
var e = (resp != null && resp.error != null) ? resp.error : resp;
if (e != null || title != null) {
var msg = mxUtils.htmlEntities(mxResources.get('unknownError'));
var btn = mxResources.get('ok');
title = (title != null) ? title : mxResources.get('error');
if (e != null && e.message != null) {
msg = mxUtils.htmlEntities(e.message);
}
this.showError(title, msg, btn, fn, null, null, null, null, null,
null, null, null, (invokeFnOnClose) ? fn : null);
}
else if (fn != null) {
fn();
}
};
/**
* Translates this point by the given vector.
*
* @param {number} dx X-coordinate of the translation.
* @param {number} dy Y-coordinate of the translation.
*/
EditorUi.prototype.showError = function (title, msg, btn, fn, retry, btn2, fn2, btn3, fn3, w, h, hide, onClose) {
var dlg = new ErrorDialog(this, title, msg, btn || mxResources.get('ok'),
fn, retry, btn2, fn2, hide, btn3, fn3);
var lines = Math.ceil((msg != null) ? msg.length / 50 : 1);
this.showDialog(dlg.container, w || 340, h || (100 + lines * 20), true, false, onClose);
dlg.init();
};
/**
* Displays a print dialog.
*/
EditorUi.prototype.showDialog = function (elt, w, h, modal, closable, onClose, noScroll, transparent, onResize, ignoreBgClick) {
this.editor.graph.tooltipHandler.resetTimer();
this.editor.graph.tooltipHandler.hideTooltip();
if (this.dialogs == null) {
this.dialogs = [];
}
this.dialog = new Dialog(this, elt, w, h, modal, closable, onClose, noScroll, transparent, onResize, ignoreBgClick);
this.dialogs.push(this.dialog);
};
/**
* Displays a print dialog.
*/
EditorUi.prototype.hideDialog = function (cancel, isEsc, matchContainer) {
if (this.dialogs != null && this.dialogs.length > 0) {
if (matchContainer != null && matchContainer != this.dialog.container.firstChild) {
return;
}
var dlg = this.dialogs.pop();
if (dlg.close(cancel, isEsc) == false) {
//add the dialog back if dialog closing is cancelled
this.dialogs.push(dlg);
return;
}
this.dialog = (this.dialogs.length > 0) ? this.dialogs[this.dialogs.length - 1] : null;
this.editor.fireEvent(new mxEventObject('hideDialog'));
if (this.dialog == null && this.editor.graph.container != null &&
this.editor.graph.container.style.visibility != 'hidden') {
window.setTimeout(mxUtils.bind(this, function () {
if (this.editor != null && (this.dialogs == null || this.dialogs.length == 0)) {
if (this.editor.graph.isEditing() && this.editor.graph.cellEditor.textarea != null) {
this.editor.graph.cellEditor.textarea.focus();
}
else {
mxUtils.clearSelection();
this.editor.graph.container.focus();
}
}
}), 0);
}
}
};
/**
* Handles ctrl+enter keystroke to clone cells.
*/
EditorUi.prototype.ctrlEnter = function () {
var graph = this.editor.graph;
if (graph.isEnabled()) {
try {
var cells = graph.getSelectionCells();
var lookup = new mxDictionary();
var newCells = [];
for (var i = 0; i < cells.length; i++) {
// Clones table rows instead of cells
var cell = (graph.isTableCell(cells[i])) ? graph.model.getParent(cells[i]) : cells[i];
if (cell != null && !lookup.get(cell)) {
lookup.put(cell, true);
newCells.push(cell);
}
}
graph.setSelectionCells(graph.duplicateCells(newCells, false));
}
catch (e) {
this.handleError(e);
}
}
};
/**
* Display a color dialog.
*/
EditorUi.prototype.pickColor = function (color, apply) {
var graph = this.editor.graph;
var selState = graph.cellEditor.saveSelection();
var h = 230 + ((Math.ceil(ColorDialog.prototype.presetColors.length / 12) +
Math.ceil(ColorDialog.prototype.defaultColors.length / 12)) * 17);
var dlg = new ColorDialog(this, mxUtils.rgba2hex(color) || 'none', function (color) {
graph.cellEditor.restoreSelection(selState);
apply(color);
}, function () {
graph.cellEditor.restoreSelection(selState);
});
this.showDialog(dlg.container, 230, h, true, false);
dlg.init();
};
/**
* Adds the label menu items to the given menu and parent.
*/
EditorUi.prototype.openFile = function () {
// Closes dialog after open
window.openFile = new OpenFile(mxUtils.bind(this, function (cancel) {
this.hideDialog(cancel);
}));
// Removes openFile if dialog is closed
this.showDialog(new OpenDialog(this).container, (Editor.useLocalStorage) ? 640 : 320,
(Editor.useLocalStorage) ? 480 : 220, true, true, function () {
window.openFile = null;
});
};
/**
* Extracs the graph model from the given HTML data from a data transfer event.
*/
EditorUi.prototype.extractGraphModelFromHtml = function (data) {
var result = null;
try {
var idx = data.indexOf('&lt;mxGraphModel ');
if (idx >= 0) {
var idx2 = data.lastIndexOf('&lt;/mxGraphModel&gt;');
if (idx2 > idx) {
result = data.substring(idx, idx2 + 21).replace(/&gt;/g, '>').
replace(/&lt;/g, '<').replace(/\\&quot;/g, '"').replace(/\n/g, '');
}
}
}
catch (e) {
// ignore
}
return result;
};
/**
* Opens the given files in the editor.
*/
EditorUi.prototype.readGraphModelFromClipboard = function (fn) {
this.readGraphModelFromClipboardWithType(mxUtils.bind(this, function (xml) {
if (xml != null) {
fn(xml);
}
else {
this.readGraphModelFromClipboardWithType(mxUtils.bind(this, function (xml) {
if (xml != null) {
var tmp = decodeURIComponent(xml);
if (this.isCompatibleString(tmp)) {
xml = tmp;
}
}
fn(xml);
}), 'text');
}
}), 'html');
};
/**
* Opens the given files in the editor.
*/
EditorUi.prototype.readGraphModelFromClipboardWithType = function (fn, type) {
navigator.clipboard.read().then(mxUtils.bind(this, function (data) {
if (data != null && data.length > 0 && type == 'html' &&
mxUtils.indexOf(data[0].types, 'text/html') >= 0) {
data[0].getType('text/html').then(mxUtils.bind(this, function (blob) {
blob.text().then(mxUtils.bind(this, function (value) {
try {
var elt = this.parseHtmlData(value);
var asHtml = elt.getAttribute('data-type') != 'text/plain';
// KNOWN: Paste from IE11 to other browsers on Windows
// seems to paste the contents of index.html
var xml = (asHtml) ? elt.innerHTML :
mxUtils.trim((elt.innerText == null) ?
mxUtils.getTextContent(elt) : elt.innerText);
// Workaround for junk after XML in VM
try {
var idx = xml.lastIndexOf('%3E');
if (idx >= 0 && idx < xml.length - 3) {
xml = xml.substring(0, idx + 3);
}
}
catch (e) {
// ignore
}
// Checks for embedded XML content
try {
var spans = elt.getElementsByTagName('span');
var tmp = (spans != null && spans.length > 0) ?
mxUtils.trim(decodeURIComponent(spans[0].textContent)) :
decodeURIComponent(xml);
if (this.isCompatibleString(tmp)) {
xml = tmp;
}
}
catch (e) {
// ignore
}
}
catch (e) {
// ignore
}
fn(this.isCompatibleString(xml) ? xml : null);
}))['catch'](function (data) {
fn(null);
});
}))['catch'](function (data) {
fn(null);
});
}
else if (data != null && data.length > 0 && type == 'text' &&
mxUtils.indexOf(data[0].types, 'text/plain') >= 0) {
data[0].getType('text/plain').then(function (blob) {
blob.text().then(function (value) {
fn(value);
})['catch'](function () {
fn(null);
});
})['catch'](function () {
fn(null);
});
}
else {
fn(null);
}
}))['catch'](function (data) {
fn(null);
});
};
/**
* Parses the given HTML data and returns a DIV.
*/
EditorUi.prototype.parseHtmlData = function (data) {
var elt = null;
if (data != null && data.length > 0) {
var hasMeta = data.substring(0, 6) == '<meta ';
elt = document.createElement('div');
elt.innerHTML = ((hasMeta) ? '<meta charset="utf-8">' : '') +
Graph.sanitizeHtml(data);
asHtml = true;
// Workaround for innerText not ignoring style elements in Chrome
var styles = elt.getElementsByTagName('style');
if (styles != null) {
while (styles.length > 0) {
styles[0].parentNode.removeChild(styles[0]);
}
}
// Special case of link pasting from Chrome
if (elt.firstChild != null && elt.firstChild.nodeType == mxConstants.NODETYPE_ELEMENT &&
elt.firstChild.nextSibling != null && elt.firstChild.nextSibling.nodeType == mxConstants.NODETYPE_ELEMENT &&
elt.firstChild.nodeName == 'META' && elt.firstChild.nextSibling.nodeName == 'A' &&
elt.firstChild.nextSibling.nextSibling == null) {
var temp = (elt.firstChild.nextSibling.innerText == null) ?
mxUtils.getTextContent(elt.firstChild.nextSibling) :
elt.firstChild.nextSibling.innerText;
if (temp == elt.firstChild.nextSibling.getAttribute('href')) {
mxUtils.setTextContent(elt, temp);
asHtml = false;
}
}
// Extracts single image source address with meta tag in markup
var img = (hasMeta && elt.firstChild != null) ? elt.firstChild.nextSibling : elt.firstChild;
if (img != null && img.nextSibling == null &&
img.nodeType == mxConstants.NODETYPE_ELEMENT &&
img.nodeName == 'IMG') {
var temp = img.getAttribute('src');
if (temp != null) {
if (Editor.isPngDataUrl(temp)) {
var xml = Editor.extractGraphModelFromPng(temp);
if (xml != null && xml.length > 0) {
temp = xml;
}
}
mxUtils.setTextContent(elt, temp);
asHtml = false;
}
}
else {
// Extracts embedded XML or image source address from single PNG image
var images = elt.getElementsByTagName('img');
if (images.length == 1) {
var img = images[0];
var temp = img.getAttribute('src');
if (temp != null && img.parentNode == elt && elt.children.length == 1) {
if (Editor.isPngDataUrl(temp)) {
var xml = Editor.extractGraphModelFromPng(temp);
if (xml != null && xml.length > 0) {
temp = xml;
}
}
mxUtils.setTextContent(elt, temp);
asHtml = false;
}
}
}
if (asHtml) {
Graph.removePasteFormatting(elt);
}
}
if (!asHtml) {
elt.setAttribute('data-type', 'text/plain');
}
return elt;
};
/**
* Opens the given files in the editor.
*/
EditorUi.prototype.extractGraphModelFromEvent = function (evt) {
var result = null;
var data = null;
if (evt != null) {
var provider = (evt.dataTransfer != null) ?
evt.dataTransfer : evt.clipboardData;
if (provider != null) {
if (document.documentMode == 10 || document.documentMode == 11) {
data = provider.getData('Text');
}
else {
data = (mxUtils.indexOf(provider.types, 'text/html') >= 0) ?
provider.getData('text/html') : null;
if (mxUtils.indexOf(provider.types, 'text/plain') >= 0 &&
(data == null || data.length == 0)) {
data = provider.getData('text/plain');
}
}
if (data != null) {
data = Graph.zapGremlins(mxUtils.trim(data));
// Tries parsing as HTML document with embedded XML
var xml = this.extractGraphModelFromHtml(data);
if (xml != null) {
data = xml;
}
}
}
}
if (data != null && this.isCompatibleString(data)) {
result = data;
}
return result;
};
/**
* Hook for subclassers to return true if event data is a supported format.
* This implementation always returns false.
*/
EditorUi.prototype.isCompatibleString = function (data) {
return false;
};
/**
* Adds the label menu items to the given menu and parent.
*/
EditorUi.prototype.saveFile = function (forceDialog) {
if (!forceDialog && this.editor.filename != null) {
this.save(this.editor.getOrCreateFilename());
}
else {
var dlg = new FilenameDialog(this, this.editor.getOrCreateFilename(), mxResources.get('save'), mxUtils.bind(this, function (name) {
this.save(name);
}), null, mxUtils.bind(this, function (name) {
if (name != null && name.length > 0) {
return true;
}
mxUtils.confirm(mxResources.get('invalidName'));
return false;
}));
this.showDialog(dlg.container, 300, 100, true, true);
dlg.init();
}
};
/**
* Saves the current graph under the given filename.
*/
EditorUi.prototype.save = function (name) {
if (name != null) {
if (this.editor.graph.isEditing()) {
this.editor.graph.stopEditing();
}
var xml = mxUtils.getXml(this.editor.getGraphXml());
try {
if (Editor.useLocalStorage) {
if (localStorage.getItem(name) != null &&
!mxUtils.confirm(mxResources.get('replaceIt', [name]))) {
return;
}
localStorage.setItem(name, xml);
this.editor.setStatus(mxUtils.htmlEntities(mxResources.get('saved')) + ' ' + new Date());
}
else {
if (xml.length < MAX_REQUEST_SIZE) {
new mxXmlRequest(SAVE_URL, 'filename=' + encodeURIComponent(name) +
'&xml=' + encodeURIComponent(xml)).simulate(document, '_blank');
}
else {
mxUtils.alert(mxResources.get('drawingTooLarge'));
mxUtils.popup(xml);
return;
}
}
this.editor.setModified(false);
this.editor.setFilename(name);
this.updateDocumentTitle();
}
catch (e) {
this.editor.setStatus(mxUtils.htmlEntities(mxResources.get('errorSavingFile')));
}
}
};
/**
* Executes the given array of graph layouts using executeLayout and
* calls done after the last layout has finished.
*/
EditorUi.prototype.executeLayouts = function (layouts, post) {
this.executeLayout(mxUtils.bind(this, function () {
var layout = new mxCompositeLayout(this.editor.graph, layouts);
var cells = this.editor.graph.getSelectionCells();
layout.execute(this.editor.graph.getDefaultParent(),
cells.length == 0 ? null : cells);
}), true, post);
};
/**
* Executes the given layout.
*/
EditorUi.prototype.executeLayout = function (exec, animate, post) {
var graph = this.editor.graph;
graph.getModel().beginUpdate();
try {
exec();
}
catch (e) {
throw e;
}
finally {
// Animates the changes in the graph model
if (this.allowAnimation && animate && graph.isEnabled()) {
// New API for animating graph layout results asynchronously
var morph = new mxMorphing(graph);
morph.addListener(mxEvent.DONE, mxUtils.bind(this, function () {
graph.getModel().endUpdate();
if (post != null) {
post();
}
}));
morph.startAnimation();
}
else {
graph.getModel().endUpdate();
if (post != null) {
post();
}
}
}
};
/**
* Hides the current menu.
*/
EditorUi.prototype.showImageDialog = function (title, value, fn, ignoreExisting) {
var cellEditor = this.editor.graph.cellEditor;
var selState = cellEditor.saveSelection();
var newValue = mxUtils.prompt(title, value);
cellEditor.restoreSelection(selState);
if (newValue != null && newValue.length > 0) {
var img = new Image();
img.onload = function () {
fn(newValue, img.width, img.height);
};
img.onerror = function () {
fn(null);
mxUtils.alert(mxResources.get('fileNotFound'));
};
img.src = newValue;
}
else {
fn(null);
}
};
/**
* Hides the current menu.
*/
EditorUi.prototype.showLinkDialog = function (value, btnLabel, fn) {
var dlg = new LinkDialog(this, value, btnLabel, fn);
this.showDialog(dlg.container, 420, 90, true, true);
dlg.init();
};
/**
* Hides the current menu.
*/
EditorUi.prototype.showDataDialog = function (cell) {
if (cell != null && typeof window.EditDataDialog !== 'undefined') {
var dlg = new EditDataDialog(this, cell);
this.showDialog(dlg.container, 480, 420, true, false, null, false);
dlg.init();
}
};
/**
* Hides the current menu.
*/
EditorUi.prototype.showBackgroundImageDialog = function (apply, img) {
apply = (apply != null) ? apply : mxUtils.bind(this, function (image) {
var change = new ChangePageSetup(this, null, image);
change.ignoreColor = true;
this.editor.graph.model.execute(change);
});
var newValue = mxUtils.prompt(mxResources.get('backgroundImage'), (img != null) ? img.src : '');
if (newValue != null && newValue.length > 0) {
var img = new Image();
img.onload = function () {
apply(new mxImage(newValue, img.width, img.height), false);
};
img.onerror = function () {
apply(null, true);
mxUtils.alert(mxResources.get('fileNotFound'));
};
img.src = newValue;
}
else {
apply(null);
}
};
/**
* Loads the stylesheet for this graph.
*/
EditorUi.prototype.setBackgroundImage = function (image) {
this.editor.graph.setBackgroundImage(image);
this.editor.graph.view.validateBackgroundImage();
this.fireEvent(new mxEventObject('backgroundImageChanged'));
};
/**
* Creates the keyboard event handler for the current graph and history.
*/
EditorUi.prototype.confirm = function (msg, okFn, cancelFn) {
if (mxUtils.confirm(msg)) {
if (okFn != null) {
okFn();
}
}
else if (cancelFn != null) {
cancelFn();
}
};
/**
* Creates the keyboard event handler for the current graph and history.
*/
EditorUi.prototype.createOutline = function (wnd) {
var outline = new mxOutline(this.editor.graph);
mxEvent.addListener(window, 'resize', function () {
outline.update(false);
});
return outline;
};
// Alt+Shift+Keycode mapping to action
EditorUi.prototype.altShiftActions = {
65: 'connectionArrows', // Alt+Shift+A
82: 'clearWaypoints', // Alt+Shift+R
76: 'editLink', // Alt+Shift+L
79: 'connectionPoints', // Alt+Shift+O
81: 'editConnectionPoints', // Alt+Shift+Q
84: 'editTooltip', // Alt+Shift+T
86: 'pasteSize', // Alt+Shift+V
70: 'copySize', // Alt+Shift+F
66: 'copyData', // Alt+Shift+B
69: 'pasteData' // Alt+Shift+E
};
/**
* Creates the keyboard event handler for the current graph and history.
*/
EditorUi.prototype.createKeyHandler = function (editor) {
var editorUi = this;
var graph = this.editor.graph;
var keyHandler = new mxKeyHandler(graph);
var isEventIgnored = keyHandler.isEventIgnored;
keyHandler.isEventIgnored = function (evt) {
// Handles undo/redo/ctrl+./,/u via action and allows ctrl+b/i
// only if editing value is HTML (except for FF and Safari)
// 66, 73 are keycodes for editing actions like bold, italic
return !(mxEvent.isShiftDown(evt) && evt.keyCode == 9) &&
((!this.isControlDown(evt) || mxEvent.isShiftDown(evt) ||
(evt.keyCode != 90 && evt.keyCode != 89 && evt.keyCode != 188 &&
evt.keyCode != 190 && evt.keyCode != 85)) && ((evt.keyCode != 66 && evt.keyCode != 73) ||
!this.isControlDown(evt) || (this.graph.cellEditor.isContentEditing() &&
!mxClient.IS_FF && !mxClient.IS_SF)) &&
((evt.keyCode != 109 && evt.keyCode != 107) ||
(!this.isControlDown(evt) && !mxEvent.isShiftDown(evt)) ||
(!this.graph.cellEditor.isContentEditing() &&
!mxClient.IS_FF && !mxClient.IS_SF)) &&
isEventIgnored.apply(this, arguments));
};
// Ignores graph enabled state but not chromeless state
keyHandler.isEnabledForEvent = function (evt) {
return (!mxEvent.isConsumed(evt) && this.isGraphEvent(evt) && this.isEnabled() &&
(editorUi.dialogs == null || editorUi.dialogs.length == 0));
};
// Routes command-key to control-key on Mac
keyHandler.isControlDown = function (evt) {
return mxEvent.isControlDown(evt) || (mxClient.IS_MAC && evt.metaKey);
};
var thread = null;
// Helper function to move cells with the cursor keys
function nudge(keyCode, stepSize, resize) {
if (!graph.isSelectionEmpty() && graph.isEnabled()) {
stepSize = (stepSize != null) ? stepSize : 1;
var cells = graph.getCompositeParents(graph.getSelectionCells());
var cell = (cells.length > 0) ? cells[0] : null;
if (cell != null) {
if (resize) {
// Resizes all selected vertices
graph.getModel().beginUpdate();
try {
for (var i = 0; i < cells.length; i++) {
if (graph.getModel().isVertex(cells[i]) && graph.isCellResizable(cells[i])) {
var geo = graph.getCellGeometry(cells[i]);
if (geo != null) {
geo = geo.clone();
if (keyCode == 37) {
geo.width = Math.max(0, geo.width - stepSize);
}
else if (keyCode == 38) {
geo.height = Math.max(0, geo.height - stepSize);
}
else if (keyCode == 39) {
geo.width += stepSize;
}
else if (keyCode == 40) {
geo.height += stepSize;
}
graph.getModel().setGeometry(cells[i], geo);
}
}
}
}
finally {
graph.getModel().endUpdate();
}
}
else {
// Moves vertices up/down in a stack layout
var parent = graph.model.getParent(cell);
var scale = graph.getView().scale;
var layout = null;
if (graph.getSelectionCount() == 1 && graph.model.isVertex(cell) &&
graph.layoutManager != null && !graph.isCellLocked(cell)) {
layout = graph.layoutManager.getLayout(parent);
}
if (layout != null && layout.constructor == mxStackLayout) {
var index = parent.getIndex(cell);
if (keyCode == 37 || keyCode == 38) {
graph.model.add(parent, cell, Math.max(0, index - 1));
}
else if (keyCode == 39 || keyCode == 40) {
graph.model.add(parent, cell, Math.min(graph.model.getChildCount(parent), index + 1));
}
}
else {
var handler = graph.graphHandler;
if (handler != null) {
if (handler.first == null) {
handler.start(cell, 0, 0, graph.getMovableCells(cells));
}
if (handler.first != null) {
var dx = 0;
var dy = 0;
if (keyCode == 37) {
dx = -stepSize;
}
else if (keyCode == 38) {
dy = -stepSize;
}
else if (keyCode == 39) {
dx = stepSize;
}
else if (keyCode == 40) {
dy = stepSize;
}
handler.currentDx += dx * scale;
handler.currentDy += dy * scale;
handler.checkPreview();
handler.updatePreview();
}
// Groups move steps in undoable change
if (thread != null) {
window.clearTimeout(thread);
}
thread = window.setTimeout(function () {
if (handler.first != null) {
var dx = handler.roundLength(handler.currentDx / scale);
var dy = handler.roundLength(handler.currentDy / scale);
handler.moveCells(handler.cells, dx, dy);
handler.reset();
}
}, 400);
}
}
}
}
}
};
// Overridden to handle special alt+shift+cursor keyboard shortcuts
var directions = {
37: mxConstants.DIRECTION_WEST, 38: mxConstants.DIRECTION_NORTH,
39: mxConstants.DIRECTION_EAST, 40: mxConstants.DIRECTION_SOUTH
};
var keyHandlerGetFunction = keyHandler.getFunction;
mxKeyHandler.prototype.getFunction = function (evt) {
if (graph.isEnabled()) {
// TODO: Add alt modifier state in core API, here are some specific cases
if (mxEvent.isShiftDown(evt) && mxEvent.isAltDown(evt)) {
var action = editorUi.actions.get(editorUi.altShiftActions[evt.keyCode]);
if (action != null) {
return action.funct;
}
}
if (directions[evt.keyCode] != null && !graph.isSelectionEmpty()) {
// On macOS, Control+Cursor is used by Expose so allow for Alt+Control to resize
if (!this.isControlDown(evt) && mxEvent.isShiftDown(evt) && mxEvent.isAltDown(evt)) {
if (graph.model.isVertex(graph.getSelectionCell())) {
return function () {
var cells = graph.connectVertex(graph.getSelectionCell(), directions[evt.keyCode],
graph.defaultEdgeLength, evt, true);
if (cells != null && cells.length > 0) {
if (cells.length == 1 && graph.model.isEdge(cells[0])) {
graph.setSelectionCell(graph.model.getTerminal(cells[0], false));
}
else {
graph.setSelectionCell(cells[cells.length - 1]);
}
graph.scrollCellToVisible(graph.getSelectionCell());
if (editorUi.hoverIcons != null) {
editorUi.hoverIcons.update(graph.view.getState(graph.getSelectionCell()));
}
}
};
}
}
else {
// Avoids consuming event if no vertex is selected by returning null below
// Cursor keys move and resize (ctrl) cells
if (this.isControlDown(evt)) {
return function () {
nudge(evt.keyCode, (mxEvent.isShiftDown(evt)) ? graph.gridSize : null, true);
};
}
else {
return function () {
nudge(evt.keyCode, (mxEvent.isShiftDown(evt)) ? graph.gridSize : null);
};
}
}
}
}
return keyHandlerGetFunction.apply(this, arguments);
};
// Binds keystrokes to actions
keyHandler.bindAction = mxUtils.bind(this, function (code, control, key, shift) {
var action = this.actions.get(key);
if (action != null) {
var f = function () {
if (action.isEnabled()) {
action.funct.apply(this, arguments);
}
};
if (control) {
if (shift) {
keyHandler.bindControlShiftKey(code, f);
}
else {
keyHandler.bindControlKey(code, f);
}
}
else {
if (shift) {
keyHandler.bindShiftKey(code, f);
}
else {
keyHandler.bindKey(code, f);
}
}
}
});
var ui = this;
var keyHandlerEscape = keyHandler.escape;
keyHandler.escape = function (evt) {
keyHandlerEscape.apply(this, arguments);
};
// Ignores enter keystroke. Remove this line if you want the
// enter keystroke to stop editing. N, W, T are reserved.
keyHandler.enter = function () { };
keyHandler.bindControlShiftKey(36, function () { graph.exitGroup(); }); // Ctrl+Shift+Home
keyHandler.bindControlShiftKey(35, function () { graph.enterGroup(); }); // Ctrl+Shift+End
keyHandler.bindShiftKey(36, function () { graph.home(); }); // Ctrl+Shift+Home
keyHandler.bindKey(35, function () { graph.refresh(); }); // End
keyHandler.bindAction(107, true, 'zoomIn'); // Ctrl+Plus
keyHandler.bindAction(109, true, 'zoomOut'); // Ctrl+Minus
keyHandler.bindAction(80, true, 'print'); // Ctrl+P
if (!this.editor.chromeless || this.editor.editable) {
keyHandler.bindAction(79, true, 'outline', true); // Ctrl+Shift+O
keyHandler.bindControlKey(36, function () { if (graph.isEnabled()) { graph.foldCells(true); } }); // Ctrl+Home
keyHandler.bindControlKey(35, function () { if (graph.isEnabled()) { graph.foldCells(false); } }); // Ctrl+End
keyHandler.bindControlKey(13, function () { ui.ctrlEnter(); }); // Ctrl+Enter
keyHandler.bindAction(8, false, 'delete'); // Backspace
keyHandler.bindAction(8, true, 'deleteAll'); // Ctrl+Backspace
keyHandler.bindAction(8, false, 'deleteLabels', true); // Shift+Backspace
keyHandler.bindAction(46, false, 'delete'); // Delete
keyHandler.bindAction(46, true, 'deleteAll'); // Ctrl+Delete
keyHandler.bindAction(46, false, 'deleteLabels', true); // Shift+Delete
keyHandler.bindAction(36, false, 'resetView'); // Home
keyHandler.bindAction(72, true, 'fitWindow', true); // Ctrl+Shift+H
keyHandler.bindAction(74, true, 'fitPage'); // Ctrl+J
keyHandler.bindAction(74, true, 'fitTwoPages', true); // Ctrl+Shift+J
keyHandler.bindAction(48, true, 'customZoom'); // Ctrl+0
keyHandler.bindAction(82, true, 'turn'); // Ctrl+R
keyHandler.bindAction(82, true, 'clearDefaultStyle', true); // Ctrl+Shift+R
keyHandler.bindAction(83, true, 'save'); // Ctrl+S
keyHandler.bindAction(83, true, 'saveAs', true); // Ctrl+Shift+S
keyHandler.bindAction(65, true, 'selectAll'); // Ctrl+A
keyHandler.bindAction(65, true, 'selectNone', true); // Ctrl+A
keyHandler.bindAction(73, true, 'selectVertices', true); // Ctrl+Shift+I
keyHandler.bindAction(69, true, 'selectEdges', true); // Ctrl+Shift+E
keyHandler.bindAction(69, true, 'editStyle'); // Ctrl+E
keyHandler.bindAction(66, true, 'bold'); // Ctrl+B
keyHandler.bindAction(66, true, 'toBack', true); // Ctrl+Shift+B
keyHandler.bindAction(70, true, 'toFront', true); // Ctrl+Shift+F
keyHandler.bindAction(68, true, 'duplicate'); // Ctrl+D
keyHandler.bindAction(68, true, 'setAsDefaultStyle', true); // Ctrl+Shift+D
keyHandler.bindAction(90, true, 'undo'); // Ctrl+Z
keyHandler.bindAction(89, true, 'autosize', true); // Ctrl+Shift+Y
keyHandler.bindAction(88, true, 'cut'); // Ctrl+X
keyHandler.bindAction(67, true, 'copy'); // Ctrl+C
keyHandler.bindAction(86, true, 'paste'); // Ctrl+V
keyHandler.bindAction(71, true, 'group'); // Ctrl+G
keyHandler.bindAction(77, true, 'editData'); // Ctrl+M
keyHandler.bindAction(71, true, 'grid', true); // Ctrl+Shift+G
keyHandler.bindAction(73, true, 'italic'); // Ctrl+I
keyHandler.bindAction(76, true, 'lockUnlock'); // Ctrl+L
keyHandler.bindAction(76, true, 'layers', true); // Ctrl+Shift+L
keyHandler.bindAction(80, true, 'format', true); // Ctrl+Shift+P
keyHandler.bindAction(85, true, 'underline'); // Ctrl+U
keyHandler.bindAction(85, true, 'ungroup', true); // Ctrl+Shift+U
keyHandler.bindAction(109, true, 'decreaseFontSize', true); // Ctrl+Shift+Minus
keyHandler.bindAction(107, true, 'increaseFontSize', true); // Ctrl+Shift+Plus
keyHandler.bindAction(219, true, 'decreaseFontSize', true); // Ctrl+{
keyHandler.bindAction(221, true, 'increaseFontSize', true); // Ctrl+}
keyHandler.bindAction(190, true, 'superscript'); // Ctrl+.
keyHandler.bindAction(188, true, 'subscript'); // Ctrl+,
keyHandler.bindAction(13, false, 'keyPressEnter'); // Enter
keyHandler.bindKey(113, function () { if (graph.isEnabled()) { graph.startEditingAtCell(); } }); // F2
}
if (!mxClient.IS_WIN) {
keyHandler.bindAction(90, true, 'redo', true); // Ctrl+Shift+Z
}
else {
keyHandler.bindAction(89, true, 'redo'); // Ctrl+Y
}
return keyHandler;
};
/**
* Creates the keyboard event handler for the current graph and history.
*/
EditorUi.prototype.destroy = function () {
var graph = this.editor.graph;
if (graph != null && this.selectionStateListener != null) {
graph.getSelectionModel().removeListener(mxEvent.CHANGE, this.selectionStateListener);
graph.getModel().removeListener(mxEvent.CHANGE, this.selectionStateListener);
graph.removeListener(mxEvent.EDITING_STARTED, this.selectionStateListener);
graph.removeListener(mxEvent.EDITING_STOPPED, this.selectionStateListener);
graph.getView().removeListener('unitChanged', this.selectionStateListener);
this.selectionStateListener = null;
}
if (this.editor != null) {
this.editor.destroy();
this.editor = null;
}
if (this.menubar != null) {
this.menubar.destroy();
this.menubar = null;
}
if (this.toolbar != null) {
this.toolbar.destroy();
this.toolbar = null;
}
if (this.sidebar != null) {
this.sidebar.destroy();
this.sidebar = null;
}
if (this.keyHandler != null) {
this.keyHandler.destroy();
this.keyHandler = null;
}
if (this.keydownHandler != null) {
mxEvent.removeListener(document, 'keydown', this.keydownHandler);
this.keydownHandler = null;
}
if (this.keyupHandler != null) {
mxEvent.removeListener(document, 'keyup', this.keyupHandler);
this.keyupHandler = null;
}
if (this.resizeHandler != null) {
mxEvent.removeListener(window, 'resize', this.resizeHandler);
this.resizeHandler = null;
}
if (this.gestureHandler != null) {
mxEvent.removeGestureListeners(document, this.gestureHandler);
this.gestureHandler = null;
}
if (this.orientationChangeHandler != null) {
mxEvent.removeListener(window, 'orientationchange', this.orientationChangeHandler);
this.orientationChangeHandler = null;
}
if (this.scrollHandler != null) {
mxEvent.removeListener(window, 'scroll', this.scrollHandler);
this.scrollHandler = null;
}
if (this.destroyFunctions != null) {
for (var i = 0; i < this.destroyFunctions.length; i++) {
this.destroyFunctions[i]();
}
this.destroyFunctions = null;
}
var c = [this.menubarContainer, this.toolbarContainer, this.sidebarContainer,
this.formatContainer, this.diagramContainer, this.footerContainer,
this.chromelessToolbar, this.hsplit, this.layersDialog];
for (var i = 0; i < c.length; i++) {
if (c[i] != null && c[i].parentNode != null) {
c[i].parentNode.removeChild(c[i]);
}
}
};
EditorUi.prototype.exportImage = function (scale, transparentBackground, ignoreSelection, addShadow, editable, border, noCrop, format, exportHandler) {
format = (format != null) ? format : 'png';
var selectionEmpty = this.editor.graph.isSelectionEmpty();
ignoreSelection = (ignoreSelection != null) ? ignoreSelection : selectionEmpty;
// Caches images
if (this.thumbImageCache == null) {
this.thumbImageCache = new Object();
}
try {
this.exportToCanvas(mxUtils.bind(this, function (canvas) {
try {
this.saveCanvas(canvas, (editable) ? this.getFileData(true, null,
null, null, ignoreSelection) : null, format, exportHandler);
}
catch (e) {
this.handleError(e);
}
}), null, this.thumbImageCache, null, mxUtils.bind(this, function (e) {
this.handleError(e);
}), null, ignoreSelection, scale || 1, transparentBackground,
addShadow, null, null, border, noCrop);
}
catch (e) {
this.handleError(e);
}
};
EditorUi.prototype.handleError = function (error) {
throw error;
}
/**
*
*/
EditorUi.prototype.exportToCanvas = function (callback, width, imageCache, background, error, limitHeight,
ignoreSelection, scale, transparentBackground, addShadow, converter, graph, border, noCrop) {
limitHeight = (limitHeight != null) ? limitHeight : true;
ignoreSelection = (ignoreSelection != null) ? ignoreSelection : true;
graph = (graph != null) ? graph : this.editor.graph;
border = (border != null) ? border : 0;
this.convertImages(graph.getSvg(null, null, null),
mxUtils.bind(this, function (svgRoot) {
var img = new Image();
img.onload = mxUtils.bind(this, function () {
try {
var canvas = document.createElement('canvas');
var w = parseInt(svgRoot.getAttribute('width'));
var h = parseInt(svgRoot.getAttribute('height'));
scale = (scale != null) ? scale : 1;
if (width != null) {
scale = (!limitHeight) ? width / w : Math.min(1, Math.min((width * 3) / (h * 4), width / w));
}
w = Math.ceil(scale * w) + 2 * border;
h = Math.ceil(scale * h) + 2 * border;
canvas.setAttribute('width', w);
canvas.setAttribute('height', h);
var ctx = canvas.getContext('2d');
ctx.scale(scale, scale);
// Workaround for broken data URI images in Safari on first export
if (mxClient.IS_SF) {
window.setTimeout(function () {
ctx.drawImage(img, border / scale, border / scale);
callback(canvas);
}, 0);
}
else {
ctx.drawImage(img, border / scale, border / scale);
callback(canvas);
}
}
catch (e) {
this.handleError(e);
}
});
img.onerror = function (e) {
this.handleError(e);
};
try {
if (addShadow) {
this.editor.graph.addSvgShadow(svgRoot);
}
var done = mxUtils.bind(this, function () {
if (this.editor.resolvedFontCss != null) {
var st = document.createElement('style');
st.setAttribute('type', 'text/css');
st.innerHTML = this.editor.resolvedFontCss;
// Must be in defs section for FF to work
var defs = svgRoot.getElementsByTagName('defs');
defs[0].appendChild(st);
}
img.src = this.createSvgDataUri(mxUtils.getXml(svgRoot));
});
this.loadFonts(done);
}
catch (e) {
//console.log('src', e, img.src);
this.handleError(e);
}
}), imageCache, converter);
};
/**
* Converts all images in the SVG output to data URIs for immediate rendering
*/
EditorUi.prototype.convertImages = function (svgRoot, callback, imageCache, converter) {
// Converts images to data URLs for immediate painting
if (converter == null) {
converter = this.createImageUrlConverter();
}
// Barrier for asynchronous image loading
var counter = 0;
function inc() {
counter++;
};
function dec() {
counter--;
if (counter == 0) {
callback(svgRoot);
}
};
var cache = imageCache || new Object();
var convertImages = mxUtils.bind(this, function (tagName, srcAttr) {
var images = svgRoot.getElementsByTagName(tagName);
for (var i = 0; i < images.length; i++) {
(mxUtils.bind(this, function (img) {
var src = converter.convert(img.getAttribute(srcAttr));
// Data URIs are pass-through
if (src != null && src.substring(0, 5) != 'data:') {
var tmp = cache[src];
if (tmp == null) {
inc();
this.convertImageToDataUri(src, function (uri) {
if (uri != null) {
cache[src] = uri;
img.setAttribute(srcAttr, uri);
}
dec();
});
}
else {
img.setAttribute(srcAttr, tmp);
}
}
else if (src != null) {
img.setAttribute(srcAttr, src);
}
}))(images[i]);
}
});
// Converts all known image tags in output
// LATER: Add support for images in CSS
convertImages('image', 'xlink:href');
convertImages('img', 'src');
// All from cache or no images
if (counter == 0) {
callback(svgRoot);
}
};
/**
* Converts all images in the SVG output to data URIs for immediate rendering
*/
EditorUi.prototype.createImageUrlConverter = function () {
var converter = new mxUrlConverter();
converter.updateBaseUrl();
// Extends convert to avoid CORS using an image proxy server where needed
var convert = converter.convert;
var self = this;
converter.convert = function (src) {
// if (src != null)
// {
// var remote = src.substring(0, 7) == 'http://' || src.substring(0, 8) == 'https://';
// if (remote && !navigator.onLine)
// {
// src = self.svgBrokenImage.src;
// }
// else if (remote && src.substring(0, converter.baseUrl.length) != converter.baseUrl &&
// (!self.crossOriginImages || !self.isCorsEnabledForUrl(src)))
// {
// src = PROXY_URL + '?url=' + encodeURIComponent(src);
// }
// else if (src.substring(0, 19) != 'chrome-extension://')
// {
// src = convert.apply(this, arguments);
// }
// }
return src;
};
return converter;
};
/**
* For the fontCSS to be applied when rendering images on canvas, the actual
* font data must be made available via a data URI encoding of the file.
*/
EditorUi.prototype.loadFonts = function (then) {
if (this.editor.fontCss != null && this.editor.resolvedFontCss == null) {
var parts = this.editor.fontCss.split('url(');
var waiting = 0;
var fonts = {};
// Strips leading and trailing quotes and spaces
function trimString(str) {
return str.replace(new RegExp("^[\\s\"']+", "g"), "").replace(new RegExp("[\\s\"']+$", "g"), "");
};
var finish = mxUtils.bind(this, function () {
if (waiting == 0) {
// Constructs string
var result = [parts[0]];
for (var j = 1; j < parts.length; j++) {
var idx = parts[j].indexOf(')');
result.push('url("');
result.push(fonts[trimString(parts[j].substring(0, idx))]);
result.push('"' + parts[j].substring(idx));
}
this.editor.resolvedFontCss = result.join('');
then();
}
});
if (parts.length > 0) {
for (var i = 1; i < parts.length; i++) {
var idx = parts[i].indexOf(')');
var format = null;
// Checks if there is a format directive
var fmtIdx = parts[i].indexOf('format(', idx);
if (fmtIdx > 0) {
format = trimString(parts[i].substring(fmtIdx + 7, parts[i].indexOf(')', fmtIdx)));
}
(mxUtils.bind(this, function (url) {
if (fonts[url] == null) {
// Mark font es being fetched and fetch it
fonts[url] = url;
waiting++;
var mime = 'application/x-font-ttf';
// See https://stackoverflow.com/questions/2871655/proper-mime-type-for-fonts
if (format == 'svg' || /(\.svg)($|\?)/i.test(url)) {
mime = 'image/svg+xml';
}
else if (format == 'otf' || format == 'embedded-opentype' || /(\.otf)($|\?)/i.test(url)) {
mime = 'application/x-font-opentype';
}
else if (format == 'woff' || /(\.woff)($|\?)/i.test(url)) {
mime = 'application/font-woff';
}
else if (format == 'woff2' || /(\.woff2)($|\?)/i.test(url)) {
mime = 'application/font-woff2';
}
else if (format == 'eot' || /(\.eot)($|\?)/i.test(url)) {
mime = 'application/vnd.ms-fontobject';
}
else if (format == 'sfnt' || /(\.sfnt)($|\?)/i.test(url)) {
mime = 'application/font-sfnt';
}
var realUrl = url;
if ((/^https?:\/\//.test(realUrl)) && !this.isCorsEnabledForUrl(realUrl)) {
realUrl = PROXY_URL + '?url=' + encodeURIComponent(url);
}
// LATER: Remove cache-control header
this.loadUrl(realUrl, mxUtils.bind(this, function (uri) {
fonts[url] = uri;
waiting--;
finish();
}), mxUtils.bind(this, function (err) {
// LATER: handle error
waiting--;
finish();
}), true, null, 'data:' + mime + ';charset=utf-8;base64,');
}
}))(trimString(parts[i].substring(0, idx)), format);
}
}
}
else {
then();
}
};
/**
* Translates this point by the given vector.
*
* @param {number} dx X-coordinate of the translation.
* @param {number} dy Y-coordinate of the translation.
*/
EditorUi.prototype.createSvgDataUri = function (svg) {
return 'data:image/svg+xml;base64,' + btoa(unescape(encodeURIComponent(svg)));
};
/**
* Translates this point by the given vector.
*
* @param {number} dx X-coordinate of the translation.
* @param {number} dy Y-coordinate of the translation.
*/
EditorUi.prototype.getFileData = function (forceXml, forceSvg, forceHtml, embeddedCallback, ignoreSelection, currentPage, node, compact, file) {
ignoreSelection = (ignoreSelection != null) ? ignoreSelection : true;
currentPage = (currentPage != null) ? currentPage : false;
node = this.editor.getGraphXml(ignoreSelection);
var graph = this.editor.graph;
var result = this.createFileData(node, graph, file, window.location.href,
forceXml, forceSvg, forceHtml, embeddedCallback, ignoreSelection, compact);
// Removes temporary graph from DOM
if (graph != this.editor.graph) {
graph.container.parentNode.removeChild(graph.container);
}
return result;
};
/**
* Translates this point by the given vector.
*
* @param {number} dx X-coordinate of the translation.
* @param {number} dy Y-coordinate of the translation.
*/
EditorUi.prototype.createFileData = function (node, graph, file, url, forceXml, forceSvg, forceHtml, embeddedCallback, ignoreSelection, compact) {
graph = (graph != null) ? graph : this.editor.graph;
forceXml = (forceXml != null) ? forceXml : false;
ignoreSelection = (ignoreSelection != null) ? ignoreSelection : true;
var editLink = null;
var redirect = null;
if (file == null || file.getMode() == App.MODE_DEVICE || file.getMode() == App.MODE_BROWSER) {
editLink = '_blank';
}
else {
editLink = url;
redirect = editLink;
}
if (node == null) {
return '';
}
else {
var fileNode = node;
// Ignores case for possible HTML or XML nodes
if (fileNode.nodeName.toLowerCase() != 'mxfile') {
// Removes control chars in input for correct roundtrip check
var text = graph.zapGremlins(mxUtils.getXml(node));
var data = graph.compress(text);
// Fallback to plain XML for invalid compression
// TODO: Remove this fallback with active pages
if (graph.decompress(data) != text) {
return text;
}
else {
var diagramNode = node.ownerDocument.createElement('diagram');
diagramNode.setAttribute('id', 'tapd-' + Editor.guid());
mxUtils.setTextContent(diagramNode, data);
fileNode = node.ownerDocument.createElement('mxfile');
fileNode.appendChild(diagramNode);
}
}
if (!compact) {
// Removes old metadata
fileNode.removeAttribute('userAgent');
fileNode.removeAttribute('version');
fileNode.removeAttribute('editor');
fileNode.removeAttribute('type');
// Adds new metadata
fileNode.setAttribute('modified', new Date().toISOString());
fileNode.setAttribute('host', window.location.hostname);
fileNode.setAttribute('agent', navigator.userAgent);
fileNode.setAttribute('version', EditorUi.VERSION);
fileNode.setAttribute('etag', 'tapd-' + Editor.guid());
var md = (file != null) ? file.getMode() : this.mode;
if (md != null) {
fileNode.setAttribute('type', md);
}
}
else {
fileNode = fileNode.cloneNode(true);
fileNode.removeAttribute('userAgent');
fileNode.removeAttribute('version');
fileNode.removeAttribute('editor');
fileNode.removeAttribute('type');
}
var xml = mxUtils.getXml(fileNode);
return xml;
}
};
/**
*
*/
EditorUi.prototype.saveCanvas = function (canvas, xml, format, exportHandler) {
var ext = ((format == 'jpeg') ? 'jpg' : format);
var filename = this.getBaseFilename() + '.' + ext;
var data = this.createImageDataUri(canvas, xml, format);
if (exportHandler && typeof exportHandler === 'function') {
exportHandler(data, filename);
} else {
this.doDownloadFile(data.substring(data.lastIndexOf(',') + 1), filename, 'image/' + format, true, format);
}
};
EditorUi.prototype.getBaseFilename = function () {
return this.editor.getFilename();
};
EditorUi.prototype.createImageDataUri = function (canvas, xml, format) {
var data = canvas.toDataURL('image/' + format);
// Checks if output is invalid or empty
if (data.length <= 6 || data == canvas.cloneNode(false).toDataURL('image/' + format)) {
throw { message: 'Invalid image' };
}
if (xml != null) {
data = this.writeGraphModelToPng(data, 'zTXt', 'mxGraphModel', atob(this.editor.graph.compress(xml)));
}
return data;
};
/**
* Adds the given text to the compressed or non-compressed text chunk.
*/
EditorUi.prototype.writeGraphModelToPng = function (data, type, key, value, error) {
var base64 = data.substring(data.indexOf(',') + 1);
var f = (window.atob) ? atob(base64) : Base64.decode(base64, true);
var pos = 0;
function fread(d, count) {
var start = pos;
pos += count;
return d.substring(start, pos);
};
// Reads unsigned long 32 bit big endian
function _freadint(d) {
var bytes = fread(d, 4);
return bytes.charCodeAt(3) + (bytes.charCodeAt(2) << 8) +
(bytes.charCodeAt(1) << 16) + (bytes.charCodeAt(0) << 24);
};
function writeInt(num) {
return String.fromCharCode((num >> 24) & 0x000000ff, (num >> 16) & 0x000000ff,
(num >> 8) & 0x000000ff, num & 0x000000ff);
};
// Checks signature
if (fread(f, 8) != String.fromCharCode(137) + 'PNG' + String.fromCharCode(13, 10, 26, 10)) {
if (error != null) {
error();
}
return;
}
// Reads header chunk
fread(f, 4);
if (fread(f, 4) != 'IHDR') {
if (error != null) {
error();
}
return;
}
fread(f, 17);
var result = f.substring(0, pos);
do {
var n = _freadint(f);
var chunk = fread(f, 4);
if (chunk == 'IDAT') {
result = f.substring(0, pos - 8);
var chunkData = key + String.fromCharCode(0) +
((type == 'zTXt') ? String.fromCharCode(0) : '') +
value;
// FIXME: Wrong crc
var crc = 0xffffffff;
crc = this.updateCRC(crc, type, 0, 4);
crc = this.updateCRC(crc, chunkData, 0, chunkData.length);
result += writeInt(chunkData.length) + type + chunkData + writeInt(crc ^ 0xffffffff);
result += f.substring(pos - 8, f.length);
break;
}
result += f.substring(pos - 8, pos - 4 + n);
fread(f, n);
fread(f, 4);
}
while (n);
return 'data:image/png;base64,' + ((window.btoa) ? btoa(result) : Base64.encode(result, true));
};
EditorUi.prototype.crcTable = [];
for (var n = 0; n < 256; n++) {
var c = n;
for (var k = 0; k < 8; k++) {
if ((c & 1) == 1) {
c = 0xedb88320 ^ (c >>> 1);
}
else {
c >>>= 1;
}
EditorUi.prototype.crcTable[n] = c;
}
}
EditorUi.prototype.updateCRC = function (crc, data, off, len) {
var c = crc;
for (var n = 0; n < len; n++) {
c = EditorUi.prototype.crcTable[(c ^ data[off + n]) & 0xff] ^ (c >>> 8);
}
return c;
};