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Struts example source code file (ContextMenu.js)

This example Struts source code file (ContextMenu.js) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Struts tags/keywords

anchor, contextmenugroup, editor2contextmenuitem, editor2contextmenuitem, generic, generic, ignored, image, image, link, link, list, popupmenu2, table

The Struts ContextMenu.js source code

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.widget.Editor2Plugin.ContextMenu");
dojo.require("dojo.widget.Menu2");
dojo.event.topic.subscribe("dojo.widget.Editor2::onLoad", function (editor) {
	dojo.widget.Editor2Plugin.ContextMenuManager.getContextMenu(editor);
});
dojo.widget.Editor2Plugin.ContextMenuManager = {menuGroups:["Generic", "Link", "Anchor", "Image", "List", "Table"], _contextMenuGroupSets:{}, _registeredGroups:{}, _menus:{}, registerGroup:function (name, handler) {
	if (this._registeredGroups[name]) {
		alert("dojo.widget.Editor2Plugin.ContextMenuManager.registerGroup: menu group " + name + "is already registered. Ignored.");
		return;
	}
	this._registeredGroups[name] = handler;
}, removeGroup:function (name) {
	delete this._registeredGroups[name];
}, getGroup:function (name, contextmenuplugin) {
	if (this._registeredGroups[name]) {
		var item = this._registeredGroups[name](name, contextmenuplugin);
		if (item) {
			return item;
		}
	}
	switch (name) {
	  case "Generic":
	  case "Link":
	  case "Image":
		return new dojo.widget.Editor2Plugin[name + "ContextMenuGroup"](contextmenuplugin);
	  case "Anchor":
	  case "List":
	}
}, registerGroupSet:function (name, set) {
	this._contextMenuGroupSets[name] = set;
}, removeGroupSet:function (name) {
	var set = this._contextMenuGroupSets[name];
	delete this._contextMenuGroupSets[name];
	return set;
}, getContextMenu:function (editor) {
	var set = editor.contextMenuGroupSet || "defaultDojoEditor2MenuGroupSet";
	if (this._menus[set]) {
		this._menus[set].bindEditor(editor);
		return this._menus[set];
	}
	var gs = (editor.contextMenuGroupSet && this._contextMenuGroupSets[editor.contextMenuGroupSet]) || this.menuGroups;
	var menu = new dojo.widget.Editor2Plugin.ContextMenu(editor, gs);
	this._menus[set] = menu;
	return menu;
}};
dojo.declare("dojo.widget.Editor2Plugin.ContextMenu", null, function (editor, gs) {
	this.groups = [];
	this.separators = [];
	this.editor = editor;
	this.editor.registerLoadedPlugin(this);
	this.contextMenu = dojo.widget.createWidget("PopupMenu2", {});
	dojo.body().appendChild(this.contextMenu.domNode);
	this.bindEditor(this.editor);
	dojo.event.connect(this.contextMenu, "aboutToShow", this, "aboutToShow");
	dojo.event.connect(this.editor, "destroy", this, "destroy");
	this.setup(gs);
}, {bindEditor:function (editor) {
	this.contextMenu.bindDomNode(editor.document.body);
}, setup:function (gs) {
	for (var i in gs) {
		var g = dojo.widget.Editor2Plugin.ContextMenuManager.getGroup(gs[i], this);
		if (g) {
			this.groups.push(g);
		}
	}
}, aboutToShow:function () {
	var first = true;
	for (var i in this.groups) {
		if (i > 0 && this.separators.length != this.groups.length - 1) {
			this.separators.push(dojo.widget.createWidget("MenuSeparator2", {}));
			this.contextMenu.addChild(this.separators[this.separators.length - 1]);
		}
		if (this.groups[i].refresh()) {
			if (i > 0) {
				if (first) {
					this.separators[i - 1].hide();
				} else {
					this.separators[i - 1].show();
				}
			}
			if (first) {
				first = false;
			}
		} else {
			if (i > 0) {
				this.separators[i - 1].hide();
			}
		}
	}
}, destroy:function () {
	this.editor.unregisterLoadedPlugin(this);
	delete this.groups;
	delete this.separators;
	this.contextMenu.destroy();
	delete this.contextMenu;
}});
dojo.widget.defineWidget("dojo.widget.Editor2ContextMenuItem", dojo.widget.MenuItem2, {command:"", buildRendering:function () {
	var curInst = dojo.widget.Editor2Manager.getCurrentInstance();
	this.caption = curInst.getCommand(this.command).getText();
	dojo.widget.Editor2ContextMenuItem.superclass.buildRendering.apply(this, arguments);
}, onClick:function () {
	var curInst = dojo.widget.Editor2Manager.getCurrentInstance();
	if (curInst) {
		var _command = curInst.getCommand(this.command);
		if (_command) {
			_command.execute();
		}
	}
}, refresh:function () {
	var curInst = dojo.widget.Editor2Manager.getCurrentInstance();
	if (curInst) {
		var _command = curInst.getCommand(this.command);
		if (_command) {
			if (_command.getState() == dojo.widget.Editor2Manager.commandState.Disabled) {
				this.disable();
				return false;
			} else {
				this.enable();
				return true;
			}
		}
	}
}, hide:function () {
	this.domNode.style.display = "none";
}, show:function () {
	this.domNode.style.display = "";
}});
dojo.declare("dojo.widget.Editor2Plugin.SimpleContextMenuGroup", null, function (contextmenuplugin) {
	this.contextMenu = contextmenuplugin.contextMenu;
	this.items = [];
	dojo.event.connect(contextmenuplugin, "destroy", this, "destroy");
}, {refresh:function () {
	if (!this.items.length) {
		this.createItems();
		for (var i in this.items) {
			this.contextMenu.addChild(this.items[i]);
		}
	}
	return this.checkVisibility();
}, destroy:function () {
	this.contextmenu = null;
	delete this.items;
	delete this.contextMenu;
}, createItems:function () {
}, checkVisibility:function () {
	var show = false;
	for (var i in this.items) {
		show = show || this.items[i].refresh();
	}
	var action = show ? "show" : "hide";
	for (var i in this.items) {
		this.items[i][action]();
	}
	return show;
}});
dojo.declare("dojo.widget.Editor2Plugin.GenericContextMenuGroup", dojo.widget.Editor2Plugin.SimpleContextMenuGroup, {createItems:function () {
	this.items.push(dojo.widget.createWidget("Editor2ContextMenuItem", {command:"cut", iconClass:"dojoE2TBIcon dojoE2TBIcon_Cut"}));
	this.items.push(dojo.widget.createWidget("Editor2ContextMenuItem", {command:"copy", iconClass:"dojoE2TBIcon dojoE2TBIcon_Copy"}));
	this.items.push(dojo.widget.createWidget("Editor2ContextMenuItem", {command:"paste", iconClass:"dojoE2TBIcon dojoE2TBIcon_Paste"}));
}});
dojo.declare("dojo.widget.Editor2Plugin.LinkContextMenuGroup", dojo.widget.Editor2Plugin.SimpleContextMenuGroup, {createItems:function () {
	this.items.push(dojo.widget.createWidget("Editor2ContextMenuItem", {command:"createlink", iconClass:"dojoE2TBIcon dojoE2TBIcon_Link"}));
	this.items.push(dojo.widget.createWidget("Editor2ContextMenuItem", {command:"unlink", iconClass:"dojoE2TBIcon dojoE2TBIcon_UnLink"}));
}, checkVisibility:function () {
	var show = this.items[1].refresh();
	if (show) {
		this.items[0].refresh();
		for (var i in this.items) {
			this.items[i].show();
		}
	} else {
		for (var i in this.items) {
			this.items[i].hide();
		}
	}
	return show;
}});
dojo.declare("dojo.widget.Editor2Plugin.ImageContextMenuGroup", dojo.widget.Editor2Plugin.SimpleContextMenuGroup, {createItems:function () {
	this.items.push(dojo.widget.createWidget("Editor2ContextMenuItem", {command:"insertimage", iconClass:"dojoE2TBIcon dojoE2TBIcon_Image"}));
}, checkVisibility:function () {
	var curInst = dojo.widget.Editor2Manager.getCurrentInstance();
	var img = dojo.withGlobal(curInst.window, "getSelectedElement", dojo.html.selection);
	if (img && img.tagName.toLowerCase() == "img") {
		this.items[0].show();
		return true;
	} else {
		this.items[0].hide();
		return false;
	}
}});

Other Struts examples (source code examples)

Here is a short list of links related to this Struts ContextMenu.js source code file:

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