maxGraph/javascript/examples/grapheditor/www/js/Menus.js

840 lines
29 KiB
JavaScript

/**
* $Id: Menus.js,v 1.16 2013/05/07 09:48:56 gaudenz Exp $
* Copyright (c) 2006-2012, JGraph Ltd
*/
/**
* Constructs a new graph editor
*/
Menus = function(editorUi)
{
this.editorUi = editorUi;
this.menus = new Object();
this.init();
// Pre-fetches checkmark image
new Image().src = IMAGE_PATH + '/checkmark.gif';
};
/**
* Adds the label menu items to the given menu and parent.
*/
Menus.prototype.init = function()
{
var graph = this.editorUi.editor.graph;
this.put('fontFamily', new Menu(mxUtils.bind(this, function(menu, parent)
{
var fonts = ['Helvetica', 'Verdana', 'Times New Roman', 'Garamond', 'Comic Sans MS',
'Courier New', 'Georgia', 'Lucida Console', 'Tahoma'];
for (var i = 0; i < fonts.length; i++)
{
var tr = this.styleChange(menu, fonts[i], [mxConstants.STYLE_FONTFAMILY], [fonts[i]], null, parent);
tr.firstChild.nextSibling.style.fontFamily = fonts[i];
}
menu.addSeparator(parent);
this.promptChange(menu, mxResources.get('custom'), '', mxConstants.DEFAULT_FONTFAMILY, mxConstants.STYLE_FONTFAMILY, parent);
})));
this.put('fontSize', new Menu(mxUtils.bind(this, function(menu, parent)
{
var sizes = [6, 8, 9, 10, 11, 12, 14, 18, 24, 36, 48, 72];
for (var i = 0; i < sizes.length; i++)
{
this.styleChange(menu, sizes[i], [mxConstants.STYLE_FONTSIZE], [sizes[i]], null, parent);
}
menu.addSeparator(parent);
this.promptChange(menu, mxResources.get('custom'), '(pt)', '12', mxConstants.STYLE_FONTSIZE, parent);
})));
this.put('linewidth', new Menu(mxUtils.bind(this, function(menu, parent)
{
var sizes = [1, 2, 3, 4, 8, 12, 16, 24];
for (var i = 0; i < sizes.length; i++)
{
this.styleChange(menu, sizes[i] + 'px', [mxConstants.STYLE_STROKEWIDTH], [sizes[i]], null, parent);
}
menu.addSeparator(parent);
this.promptChange(menu, mxResources.get('custom'), '(px)', '1', mxConstants.STYLE_STROKEWIDTH, parent);
})));
this.put('line', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.styleChange(menu, mxResources.get('straight'), [mxConstants.STYLE_EDGE], [null], null, parent);
this.styleChange(menu, mxResources.get('entityRelation'), [mxConstants.STYLE_EDGE], ['entityRelationEdgeStyle'], null, parent);
menu.addSeparator(parent);
this.styleChange(menu, mxResources.get('horizontal'), [mxConstants.STYLE_EDGE, mxConstants.STYLE_ELBOW], ['elbowEdgeStyle', 'horizontal'], null, parent);
this.styleChange(menu, mxResources.get('vertical'), [mxConstants.STYLE_EDGE, mxConstants.STYLE_ELBOW], ['elbowEdgeStyle', 'vertical'], null, parent);
menu.addSeparator(parent);
this.styleChange(menu, mxResources.get('manual'), [mxConstants.STYLE_EDGE], ['segmentEdgeStyle'], null, parent);
this.styleChange(menu, mxResources.get('automatic'), [mxConstants.STYLE_EDGE], ['orthogonalEdgeStyle'], null, parent);
})));
this.put('lineend', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.styleChange(menu, mxResources.get('classic'), [mxConstants.STYLE_ENDARROW], [mxConstants.ARROW_CLASSIC], null, parent);
this.styleChange(menu, mxResources.get('openArrow'), [mxConstants.STYLE_ENDARROW], [mxConstants.ARROW_OPEN], null, parent);
this.styleChange(menu, mxResources.get('block') , [mxConstants.STYLE_ENDARROW], [mxConstants.ARROW_BLOCK], null, parent);
menu.addSeparator(parent);
this.styleChange(menu, mxResources.get('oval'), [mxConstants.STYLE_ENDARROW], [mxConstants.ARROW_OVAL], null, parent);
this.styleChange(menu, mxResources.get('diamond'), [mxConstants.STYLE_ENDARROW], [mxConstants.ARROW_DIAMOND], null, parent);
this.styleChange(menu, mxResources.get('diamondThin'), [mxConstants.STYLE_ENDARROW], [mxConstants.ARROW_DIAMOND_THIN], null, parent);
menu.addSeparator(parent);
this.styleChange(menu, mxResources.get('none'), [mxConstants.STYLE_ENDARROW], [mxConstants.NONE], null, parent);
menu.addSeparator(parent);
menu.addItem(mxResources.get('transparent'), null, function() { graph.toggleCellStyles('endFill', true); }, parent, null, true);
menu.addSeparator(parent);
this.promptChange(menu, mxResources.get('size'), '(px)', mxConstants.DEFAULT_MARKERSIZE, mxConstants.STYLE_ENDSIZE, parent);
})));
this.put('linestart', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.styleChange(menu, mxResources.get('classic'), [mxConstants.STYLE_STARTARROW], [mxConstants.ARROW_CLASSIC], null, parent);
this.styleChange(menu, mxResources.get('openArrow'), [mxConstants.STYLE_STARTARROW], [mxConstants.ARROW_OPEN], null, parent);
this.styleChange(menu, mxResources.get('block'), [mxConstants.STYLE_STARTARROW], [mxConstants.ARROW_BLOCK], null, parent);
menu.addSeparator(parent);
this.styleChange(menu, mxResources.get('oval'), [mxConstants.STYLE_STARTARROW], [mxConstants.ARROW_OVAL], null, parent);
this.styleChange(menu, mxResources.get('diamond'), [mxConstants.STYLE_STARTARROW], [mxConstants.ARROW_DIAMOND], null, parent);
this.styleChange(menu, mxResources.get('diamondThin'), [mxConstants.STYLE_STARTARROW], [mxConstants.ARROW_DIAMOND_THIN], null, parent);
menu.addSeparator(parent);
this.styleChange(menu, mxResources.get('none'), [mxConstants.STYLE_STARTARROW], [mxConstants.NONE], null, parent);
menu.addSeparator(parent);
menu.addItem(mxResources.get('transparent'), null, function() { graph.toggleCellStyles('startFill', true); }, parent, null, true);
menu.addSeparator(parent);
this.promptChange(menu, mxResources.get('size'), '(px)', mxConstants.DEFAULT_MARKERSIZE, mxConstants.STYLE_STARTSIZE, parent);
})));
this.put('spacing', new Menu(mxUtils.bind(this, function(menu, parent)
{
// Uses shadow action and line menu to analyze selection
var vertexSelected = this.editorUi.actions.get('shadow').enabled;
var edgeSelected = this.get('line').enabled;
if (vertexSelected || menu.showDisabled)
{
this.promptChange(menu, mxResources.get('top'), '(px)', '0', mxConstants.STYLE_SPACING_TOP, parent, vertexSelected);
this.promptChange(menu, mxResources.get('right'), '(px)', '0', mxConstants.STYLE_SPACING_RIGHT, parent, vertexSelected);
this.promptChange(menu, mxResources.get('bottom'), '(px)', '0', mxConstants.STYLE_SPACING_BOTTOM, parent, vertexSelected);
this.promptChange(menu, mxResources.get('left'), '(px)', '0', mxConstants.STYLE_SPACING_LEFT, parent, vertexSelected);
menu.addSeparator(parent);
this.promptChange(menu, mxResources.get('global'), '(px)', '0', mxConstants.STYLE_SPACING, parent, vertexSelected);
this.promptChange(menu, mxResources.get('perimeter'), '(px)', '0', mxConstants.STYLE_PERIMETER_SPACING, parent, vertexSelected);
}
if (edgeSelected || menu.showDisabled)
{
menu.addSeparator(parent);
this.promptChange(menu, mxResources.get('sourceSpacing'), '(px)', '0', mxConstants.STYLE_SOURCE_PERIMETER_SPACING, parent, edgeSelected);
this.promptChange(menu, mxResources.get('targetSpacing'), '(px)', '0', mxConstants.STYLE_TARGET_PERIMETER_SPACING, parent, edgeSelected);
}
})));
this.put('format', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.addMenuItems(menu, ['fillColor'], parent);
this.addSubmenu('gradient', menu, parent);
this.addMenuItems(menu, ['-', 'shadow'], parent);
this.promptChange(menu, mxResources.get('opacity'), '(%)', '100', mxConstants.STYLE_OPACITY, parent, this.get('format').enabled);
this.addMenuItems(menu, ['-', 'curved', 'rounded', 'dashed', '-', 'strokeColor'], parent);
this.addSubmenu('linewidth', menu, parent);
this.addMenuItems(menu, ['-'], parent);
this.addSubmenu('line', menu, parent);
this.addMenuItems(menu, ['-'], parent);
this.addSubmenu('linestart', menu, parent);
this.addSubmenu('lineend', menu, parent);
menu.addSeparator(parent);
this.addMenuItem(menu, 'style', parent);
})));
this.put('gradient', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.addMenuItems(menu, ['gradientColor', '-'], parent);
this.styleChange(menu, mxResources.get('north'), [mxConstants.STYLE_GRADIENT_DIRECTION], [mxConstants.DIRECTION_NORTH], null, parent);
this.styleChange(menu, mxResources.get('east'), [mxConstants.STYLE_GRADIENT_DIRECTION], [mxConstants.DIRECTION_EAST], null, parent);
this.styleChange(menu, mxResources.get('south'), [mxConstants.STYLE_GRADIENT_DIRECTION], [mxConstants.DIRECTION_SOUTH], null, parent);
this.styleChange(menu, mxResources.get('west'), [mxConstants.STYLE_GRADIENT_DIRECTION], [mxConstants.DIRECTION_WEST], null, parent);
})));
this.put('text', new Menu(mxUtils.bind(this, function(menu, parent)
{
var enabled = this.get('text').enabled;
menu.addSeparator(parent);
this.addMenuItem(menu, 'fontColor', parent);
this.addMenuItems(menu, ['backgroundColor', 'borderColor', '-'], parent);
this.addSubmenu('fontFamily', menu, parent);
this.addSubmenu('fontSize', menu, parent);
this.addMenuItems(menu, ['-', 'bold', 'italic', 'underline', '-'], parent);
this.addSubmenu('alignment', menu, parent);
this.addMenuItem(menu, 'wordWrap', parent);
menu.addSeparator(parent);
this.promptChange(menu, mxResources.get('textOpacity'), '(%)', '100', mxConstants.STYLE_TEXT_OPACITY, parent, enabled);
menu.addItem(mxResources.get('hide'), null, function() { graph.toggleCellStyles(mxConstants.STYLE_NOLABEL, false); }, parent, null, enabled);
})));
this.put('alignment', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.styleChange(menu, mxResources.get('leftAlign'), [mxConstants.STYLE_ALIGN], [mxConstants.ALIGN_LEFT], null, parent);
this.styleChange(menu, mxResources.get('center'), [mxConstants.STYLE_ALIGN], [mxConstants.ALIGN_CENTER], null, parent);
this.styleChange(menu, mxResources.get('rightAlign'), [mxConstants.STYLE_ALIGN], [mxConstants.ALIGN_RIGHT], null, parent);
menu.addSeparator(parent);
this.styleChange(menu, mxResources.get('topAlign'), [mxConstants.STYLE_VERTICAL_ALIGN], [mxConstants.ALIGN_TOP], null, parent);
this.styleChange(menu, mxResources.get('middle'), [mxConstants.STYLE_VERTICAL_ALIGN], [mxConstants.ALIGN_MIDDLE], null, parent);
this.styleChange(menu, mxResources.get('bottomAlign'), [mxConstants.STYLE_VERTICAL_ALIGN], [mxConstants.ALIGN_BOTTOM], null, parent);
menu.addSeparator(parent);
this.addSubmenu('position', menu, parent);
this.addSubmenu('spacing', menu, parent);
menu.addSeparator(parent);
var enabled = this.get('text').enabled;
menu.addItem(mxResources.get('vertical'), null, function() { graph.toggleCellStyles(mxConstants.STYLE_HORIZONTAL, true); }, parent, null, enabled);
})));
this.put('position', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.styleChange(menu, mxResources.get('left'), [mxConstants.STYLE_LABEL_POSITION, mxConstants.STYLE_ALIGN], [mxConstants.ALIGN_LEFT, mxConstants.ALIGN_RIGHT], null, parent);
this.styleChange(menu, mxResources.get('center'), [mxConstants.STYLE_LABEL_POSITION, mxConstants.STYLE_ALIGN], [mxConstants.ALIGN_CENTER, mxConstants.ALIGN_CENTER], null, parent);
this.styleChange(menu, mxResources.get('right'), [mxConstants.STYLE_LABEL_POSITION, mxConstants.STYLE_ALIGN], [mxConstants.ALIGN_RIGHT, mxConstants.ALIGN_LEFT], null, parent);
menu.addSeparator(parent);
this.styleChange(menu, mxResources.get('top'), [mxConstants.STYLE_VERTICAL_LABEL_POSITION, mxConstants.STYLE_VERTICAL_ALIGN], [mxConstants.ALIGN_TOP, mxConstants.ALIGN_BOTTOM], null, parent);
this.styleChange(menu, mxResources.get('middle'), [mxConstants.STYLE_VERTICAL_LABEL_POSITION, mxConstants.STYLE_VERTICAL_ALIGN], [mxConstants.ALIGN_MIDDLE, mxConstants.ALIGN_MIDDLE], null, parent);
this.styleChange(menu, mxResources.get('bottom'), [mxConstants.STYLE_VERTICAL_LABEL_POSITION, mxConstants.STYLE_VERTICAL_ALIGN], [mxConstants.ALIGN_BOTTOM, mxConstants.ALIGN_TOP], null, parent);
})));
this.put('direction', new Menu(mxUtils.bind(this, function(menu, parent)
{
menu.addItem(mxResources.get('flipH'), null, function() { graph.toggleCellStyles(mxConstants.STYLE_FLIPH, false); }, parent);
menu.addItem(mxResources.get('flipV'), null, function() { graph.toggleCellStyles(mxConstants.STYLE_FLIPV, false); }, parent);
this.addMenuItems(menu, ['-', 'tilt', 'rotation'], parent);
})));
this.put('align', new Menu(mxUtils.bind(this, function(menu, parent)
{
menu.addItem(mxResources.get('leftAlign'), null, function() { graph.alignCells(mxConstants.ALIGN_LEFT); }, parent);
menu.addItem(mxResources.get('center'), null, function() { graph.alignCells(mxConstants.ALIGN_CENTER); }, parent);
menu.addItem(mxResources.get('rightAlign'), null, function() { graph.alignCells(mxConstants.ALIGN_RIGHT); }, parent);
menu.addSeparator(parent);
menu.addItem(mxResources.get('topAlign'), null, function() { graph.alignCells(mxConstants.ALIGN_TOP); }, parent);
menu.addItem(mxResources.get('middle'), null, function() { graph.alignCells(mxConstants.ALIGN_MIDDLE); }, parent);
menu.addItem(mxResources.get('bottomAlign'), null, function() { graph.alignCells(mxConstants.ALIGN_BOTTOM); }, parent);
})));
this.put('layers', new Menu(mxUtils.bind(this, function(menu, parent)
{
var p = graph.getDefaultParent();
var selectedLayer = mxResources.get('background');
var item = menu.addItem(selectedLayer, null, mxUtils.bind(this, function()
{
graph.setDefaultParent(null);
}), parent);
if (p == graph.model.getChildAt(graph.model.root, 0))
{
this.addCheckmark(item);
}
var layerCount = graph.model.getChildCount(graph.model.root);
for (var i = 1; i < layerCount; i++)
{
(mxUtils.bind(this, function(child)
{
var title = child.value || mxResources.get('layer') + ' ' + i;
if (!graph.model.isVisible(child))
{
title += ' (' + mxResources.get('hidden') + ')';
}
var item = menu.addItem(title, null, function()
{
if (!graph.model.isVisible(child))
{
graph.model.setVisible(child, true);
// Forces a complete refresh to hide the edges in other
// layers which are connected to children of this layer
graph.view.invalidate();
}
graph.setDefaultParent(child);
}, parent);
if (p == child)
{
this.addCheckmark(item);
selectedLayer = title;
}
}))(graph.model.getChildAt(graph.model.root, i));
}
var notBackground = p != graph.model.getChildAt(graph.model.root, 0);
menu.addSeparator(parent);
menu.addItem(mxResources.get('removeIt', [selectedLayer]), null, mxUtils.bind(this, function()
{
graph.removeCells([p]);
graph.setDefaultParent(null);
}), parent, null, notBackground);
menu.addItem(mxResources.get('renameIt', [selectedLayer]), null, mxUtils.bind(this, function()
{
var newName = mxUtils.prompt(mxResources.get('enterName'), selectedLayer);
if (newName != null && newName.length > 0)
{
graph.getModel().setValue(p, newName);
}
}), parent, null, notBackground);
menu.addItem(mxResources.get('hideIt', [selectedLayer]), null, mxUtils.bind(this, function()
{
if (graph.model.isVisible(p))
{
graph.model.beginUpdate();
try
{
graph.model.setVisible(p, !graph.model.isVisible(p));
// Forces a complete refresh to hide the edges in other
// layers which are connected to children of this layer
graph.view.invalidate();
}
finally
{
graph.model.endUpdate();
}
graph.setDefaultParent(null);
}
}), parent, null, notBackground);
menu.addSeparator(parent);
menu.addItem(mxResources.get('moveSelectionTo', [selectedLayer]), null, mxUtils.bind(this, function()
{
graph.moveCells(graph.getSelectionCells(), 0, 0, false, p);
}), parent, null, !graph.isSelectionEmpty());
menu.addSeparator(parent);
menu.addItem(mxResources.get('addLayer'), null, mxUtils.bind(this, function()
{
var cell = graph.addCell(new mxCell(), graph.model.root);
graph.setDefaultParent(cell);
}), parent);
})));
this.put('layout', new Menu(mxUtils.bind(this, function(menu, parent)
{
menu.addItem(mxResources.get('horizontalTree'), null, mxUtils.bind(this, function()
{
if (!graph.isSelectionEmpty())
{
var layout = new mxCompactTreeLayout(graph, true);
layout.edgeRouting = false;
layout.levelDistance = 30;
this.editorUi.executeLayout(layout, true, true);
}
}), parent);
menu.addItem(mxResources.get('verticalTree'), null, mxUtils.bind(this, function()
{
if (!graph.isSelectionEmpty())
{
var layout = new mxCompactTreeLayout(graph, false);
layout.edgeRouting = false;
layout.levelDistance = 30;
this.editorUi.executeLayout(layout, true, true);
}
}), parent);
menu.addSeparator(parent);
menu.addItem(mxResources.get('horizontalFlow'), null, mxUtils.bind(this, function()
{
var layout = new mxHierarchicalLayout(graph, mxConstants.DIRECTION_WEST);
this.editorUi.executeLayout(layout, true, true);
}), parent);
menu.addItem(mxResources.get('verticalFlow'), null, mxUtils.bind(this, function()
{
var layout = new mxHierarchicalLayout(graph, mxConstants.DIRECTION_NORTH);
this.editorUi.executeLayout(layout, true, true);
}), parent);
menu.addSeparator(parent);
menu.addItem(mxResources.get('organic'), null, mxUtils.bind(this, function()
{
var layout = new mxFastOrganicLayout(graph);
this.editorUi.executeLayout(layout, true, true);
}), parent);
menu.addItem(mxResources.get('circle'), null, mxUtils.bind(this, function()
{
var layout = new mxCircleLayout(graph);
this.editorUi.executeLayout(layout, true, true, graph.getSelectionCells());
}), parent);
})));
this.put('navigation', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.addMenuItems(menu, ['home', '-', 'exitGroup', 'enterGroup', '-', 'expand', 'collapse'], parent);
})));
this.put('arrange', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.addMenuItems(menu, ['toFront', 'toBack', '-'], parent);
this.addSubmenu('direction', menu, parent);
this.addSubmenu('layout', menu, parent);
this.addSubmenu('align', menu, parent);
menu.addSeparator(parent);
this.addSubmenu('layers', menu, parent);
this.addSubmenu('navigation', menu, parent);
this.addMenuItems(menu, ['-', 'group', 'ungroup', 'removeFromGroup', '-', 'lockUnlock', '-', 'autosize'], parent);
})));
this.put('view', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.addMenuItems(menu, ['actualSize'], parent);
menu.addSeparator();
var scales = [0.25, 0.5, 0.75, 1, 1.5, 2, 4];
for (var i = 0; i < scales.length; i++)
{
(function(scale)
{
menu.addItem((scale * 100) + '%', null, function()
{
graph.zoomTo(scale);
}, parent);
})(scales[i]);
}
this.addMenuItems(menu, ['-', 'zoomIn', 'zoomOut', '-', 'fitWindow', 'customZoom', '-', 'fitPage', 'fitPageWidth'], parent);
})));
this.put('file', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.addMenuItems(menu, ['new', 'open', '-', 'save', 'saveAs', '-', 'import', 'export', '-', 'editFile', '-', 'pageSetup', 'print'], parent);
})));
this.put('edit', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.addMenuItems(menu, ['undo', 'redo', '-', 'cut', 'copy', 'paste', 'delete', '-', 'duplicate', '-',
'editLink', 'openLink', '-',
'selectVertices', 'selectEdges', 'selectAll', '-', 'setAsDefaultEdge']);
})));
this.put('options', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.addMenuItems(menu, ['grid', 'guides', 'tooltips', '-', 'connect', 'copyConnect', 'navigation',
'-', 'scrollbars', 'pageView', '-', 'pageBackgroundColor']);
})));
this.put('help', new Menu(mxUtils.bind(this, function(menu, parent)
{
this.addMenuItems(menu, ['help', '-', 'about']);
})));
};
/**
* Adds the label menu items to the given menu and parent.
*/
Menus.prototype.put = function(name, menu)
{
this.menus[name] = menu;
};
/**
* Adds the label menu items to the given menu and parent.
*/
Menus.prototype.get = function(name)
{
return this.menus[name];
};
/**
* Adds the given submenu.
*/
Menus.prototype.addSubmenu = function(name, menu, parent)
{
var enabled = this.get(name).enabled;
if (menu.showDisabled || enabled)
{
var submenu = menu.addItem(mxResources.get(name), null, null, parent, null, enabled);
this.addMenu(name, menu, submenu);
}
};
/**
* Adds the label menu items to the given menu and parent.
*/
Menus.prototype.addMenu = function(name, popupMenu, parent)
{
var menu = this.get(name);
if (menu != null && (popupMenu.showDisabled || menu.enabled))
{
this.get(name).execute(popupMenu, parent);
}
};
/**
* Adds a style change item to the given menu.
*/
Menus.prototype.styleChange = function(menu, label, keys, values, sprite, parent)
{
return menu.addItem(label, null, mxUtils.bind(this, function()
{
var graph = this.editorUi.editor.graph;
graph.getModel().beginUpdate();
try
{
for (var i = 0; i < keys.length; i++)
{
graph.setCellStyles(keys[i], values[i]);
}
}
finally
{
graph.getModel().endUpdate();
}
}), parent, sprite);
};
/**
* Adds a style change item with a prompt to the given menu.
*/
Menus.prototype.promptChange = function(menu, label, hint, defaultValue, key, parent, enabled)
{
return menu.addItem(label, null, mxUtils.bind(this, function()
{
var graph = this.editorUi.editor.graph;
var value = defaultValue;
var state = graph.getView().getState(graph.getSelectionCell());
if (state != null)
{
value = state.style[key] || value;
}
value = mxUtils.prompt(mxResources.get('enterValue') + ((hint.length > 0) ? (' ' + hint) : ''), value);
if (value != null && value.length > 0)
{
graph.setCellStyles(key, value);
}
}), parent, null, enabled);
};
/**
* Adds a handler for showing a menu in the given element.
*/
Menus.prototype.pickColor = function(key)
{
if (this.colorDialog == null)
{
this.colorDialog = new ColorDialog(this.editorUi);
}
this.colorDialog.currentColorKey = key;
var graph = this.editorUi.editor.graph;
var state = graph.getView().getState(graph.getSelectionCell());
var color = 'none';
if (state != null)
{
color = state.style[key] || color;
}
if (color == 'none')
{
color = 'ffffff';
this.colorDialog.picker.fromString('ffffff');
this.colorDialog.colorInput.value = 'none';
}
else
{
this.colorDialog.picker.fromString(color);
}
this.editorUi.showDialog(this.colorDialog.container, 220, 400, true, false);
if (!mxClient.IS_TOUCH)
{
this.colorDialog.colorInput.focus();
}
};
/**
* Creates the keyboard event handler for the current graph and history.
*/
Menus.prototype.addMenuItem = function(menu, key, parent)
{
var action = this.editorUi.actions.get(key);
if (action != null && (menu.showDisabled || action.enabled))
{
var item = menu.addItem(action.label, null, action.funct, parent, null, action.enabled);
// Adds checkmark image
if (action.toggleAction && action.isSelected())
{
this.addCheckmark(item);
}
this.addShortcut(item, action);
return item;
}
return null;
};
/**
* Adds a checkmark to the given menuitem.
*/
Menus.prototype.addShortcut = function(item, action)
{
if (action.shortcut != null)
{
var td = item.firstChild.nextSibling.nextSibling;
var span = document.createElement('span');
span.style.color = 'gray';
mxUtils.write(span, action.shortcut);
td.appendChild(span);
}
};
/**
* Adds a checkmark to the given menuitem.
*/
Menus.prototype.addCheckmark = function(item)
{
var td = item.firstChild.nextSibling;
td.style.backgroundImage = 'url(' + IMAGE_PATH + '/checkmark.gif)';
td.style.backgroundRepeat = 'no-repeat';
td.style.backgroundPosition = '2px 50%';
};
/**
* Creates the keyboard event handler for the current graph and history.
*/
Menus.prototype.addMenuItems = function(menu, keys, parent)
{
for (var i = 0; i < keys.length; i++)
{
if (keys[i] == '-')
{
menu.addSeparator(parent);
}
else
{
this.addMenuItem(menu, keys[i], parent);
}
}
};
/**
* Creates the keyboard event handler for the current graph and history.
*/
Menus.prototype.createPopupMenu = function(menu, cell, evt)
{
var graph = this.editorUi.editor.graph;
menu.smartSeparators = true;
if (graph.isSelectionEmpty())
{
this.addMenuItems(menu, ['undo', 'redo', '-', 'paste', '-']);
}
else
{
this.addMenuItems(menu, ['delete', '-', 'cut', 'copy', '-', 'duplicate']);
if (graph.getSelectionCount() == 1 && graph.getModel().isEdge(graph.getSelectionCell()))
{
this.addMenuItems(menu, ['setAsDefaultEdge']);
}
menu.addSeparator();
}
if (graph.getSelectionCount() > 0)
{
this.addMenuItems(menu, ['toFront', 'toBack', '-']);
if (graph.getModel().isEdge(graph.getSelectionCell()))
{
var isWaypoint = false;
var cell = graph.getSelectionCell();
if (cell != null && graph.getModel().isEdge(cell))
{
var handler = graph.selectionCellsHandler.getHandler(cell);
if (handler instanceof mxEdgeHandler && handler.bends != null && handler.bends.length > 2)
{
var index = handler.getHandleForEvent(new mxMouseEvent(evt));
// Configures removeWaypoint action before execution
var rmWaypointAction = this.editorUi.actions.get('removeWaypoint');
rmWaypointAction.handler = handler;
rmWaypointAction.index = index;
isWaypoint = index > 0 && index < handler.bends.length;
}
}
this.addMenuItems(menu, ['-', (isWaypoint) ? 'removeWaypoint' : 'addWaypoint']);
}
else if (graph.getSelectionCount() > 1)
{
menu.addSeparator();
this.addMenuItems(menu, ['group']);
}
menu.addSeparator();
if (graph.getSelectionCount() == 1)
{
var link = graph.getLinkForCell(graph.getSelectionCell());
if (link != null)
{
this.addMenuItems(menu, ['openLink']);
}
}
}
else
{
this.addMenuItems(menu, ['-', 'selectVertices', 'selectEdges', '-', 'selectAll']);
}
};
/**
* Creates the keyboard event handler for the current graph and history.
*/
Menus.prototype.createMenubar = function(container)
{
var menubar = new Menubar(this.editorUi, container);
var menus = ['file', 'edit', 'view', 'format', 'text', 'arrange', 'options', 'help'];
for (var i = 0; i < menus.length; i++)
{
menubar.addMenu(mxResources.get(menus[i]), this.get(menus[i]).funct);
}
return menubar;
};
/**
* Construcs a new menubar for the given editor.
*/
function Menubar(editorUi, container)
{
this.editorUi = editorUi;
this.container = container;
// Global handler to hide the current menu
mxEvent.addGestureListeners(document, mxUtils.bind(this, function(evt)
{
this.hideMenu();
}));
};
/**
* Adds the menubar elements.
*/
Menubar.prototype.hideMenu = function()
{
if (this.currentMenu != null)
{
this.currentMenu.hideMenu();
}
};
/**
* Adds a submenu to this menubar.
*/
Menubar.prototype.addMenu = function(label, funct)
{
var elt = document.createElement('a');
elt.setAttribute('href', 'javascript:void(0);');
elt.className = 'geItem';
mxUtils.write(elt, label);
this.addMenuHandler(elt, funct);
this.container.appendChild(elt);
return elt;
};
/**
* Adds a handler for showing a menu in the given element.
*/
Menubar.prototype.addMenuHandler = function(elt, funct)
{
if (funct != null)
{
var show = true;
var clickHandler = mxUtils.bind(this, function(evt)
{
if (show && elt.enabled == null || elt.enabled)
{
this.editorUi.editor.graph.panningHandler.hideMenu();
var menu = new mxPopupMenu(funct);
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();
this.currentMenu = null;
this.currentElt = null;
});
menu.popup(elt.offsetLeft + 4, elt.offsetTop + elt.offsetHeight + 4, null, evt);
this.currentMenu = menu;
this.currentElt = elt;
}
show = true;
mxEvent.consume(evt);
});
// Shows menu automatically while in expanded state
mxEvent.addListener(elt, 'mousemove', mxUtils.bind(this, function(evt)
{
if (this.currentMenu != null && this.currentElt != elt)
{
this.hideMenu();
clickHandler(evt);
}
}));
// Hides menu if already showing
mxEvent.addListener(elt, 'mousedown', mxUtils.bind(this, function()
{
show = this.currentElt != elt;
}));
mxEvent.addListener(elt, 'click', clickHandler);
}
};
/**
* Constructs a new action for the given parameters.
*/
function Menu(funct, enabled)
{
mxEventSource.call(this);
this.funct = funct;
this.enabled = (enabled != null) ? enabled : true;
};
// Menu inherits from mxEventSource
mxUtils.extend(Menu, mxEventSource);
/**
* Sets the enabled state of the action and fires a stateChanged event.
*/
Menu.prototype.setEnabled = function(value)
{
if (this.enabled != value)
{
this.enabled = value;
this.fireEvent(new mxEventObject('stateChanged'));
}
};
/**
* Sets the enabled state of the action and fires a stateChanged event.
*/
Menu.prototype.execute = function(menu, parent)
{
this.funct(menu, parent);
};