Struts example source code file (TreeDocIconExtension.js)

This example Struts source code file (TreeDocIconExtension.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

css, css, document, folder, icon, icon, icon\\w, iconcontent, regexp, treedociconextension, treeiconcontent, treeiconcontent, treeiconfolder, treeiconfolder

The Struts TreeDocIconExtension.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.TreeDocIconExtension");
dojo.require("dojo.widget.HtmlWidget");
dojo.require("dojo.widget.TreeExtension");
dojo.widget.defineWidget("dojo.widget.TreeDocIconExtension", [dojo.widget.TreeExtension], {templateCssString:"\n/* CSS for TreeDocIconExtension */\n\n\n/* long vertical line under docIcon, connecting w/ children */\n.TreeStateChildrenYes-ExpandOpen .TreeIconContent {\n	background-image : url('../templates/images/TreeV3/i_long.gif');\n	background-repeat : no-repeat;\n	background-position: 18px 9px;\n}\n\n/* close has higher priority */\n.TreeStateChildrenYes-ExpandClosed .TreeIconContent {\n	background-image : url();\n}\n\n/* higher priotity: same length and appear after background-definition */\n.TreeStateChildrenNo-ExpandLeaf .TreeIconContent {\n	background-image : url();\n}\n\n.TreeStateChildrenNo-ExpandClosed .TreeIconContent {\n	background-image : url();\n}\n\n.TreeStateChildrenNo-ExpandOpen .TreeIconContent {\n	background-image : url();\n}\n\n\n/* highest priority */\n.TreeIconDocument {\n	background-image: url('../templates/images/TreeV3/document.gif');\n}\n\n.TreeExpandOpen .TreeIconFolder {\n	background-image: url('../templates/images/TreeV3/open.gif');\n}\n\n.TreeExpandClosed .TreeIconFolder {\n	background-image: url('../templates/images/TreeV3/closed.gif');\n}\n\n/* generic class for docIcon */\n.TreeIcon {\n	width: 18px;\n	height: 18px;\n	float: left;\n	display: inline;\n	background-repeat : no-repeat;\n}\n\ndiv.TreeContent {\n	margin-left: 36px;\n}\n", templateCssPath:dojo.uri.moduleUri("dojo.widget", "templates/TreeDocIcon.css"), listenTreeEvents:["afterChangeTree", "afterSetFolder", "afterUnsetFolder"], listenNodeFilter:function (elem) {
	return elem instanceof dojo.widget.Widget;
}, getnodeDocType:function (node) {
	var nodeDocType = node.getnodeDocType();
	if (!nodeDocType) {
		nodeDocType = node.isFolder ? "Folder" : "Document";
	}
	return nodeDocType;
}, setnodeDocTypeClass:function (node) {
	var reg = new RegExp("(^|\\s)" + node.tree.classPrefix + "Icon\\w+", "g");
	var clazz = dojo.html.getClass(node.iconNode).replace(reg, "") + " " + node.tree.classPrefix + "Icon" + this.getnodeDocType(node);
	dojo.html.setClass(node.iconNode, clazz);
}, onAfterSetFolder:function (message) {
	if (message.source.iconNode) {
		this.setnodeDocTypeClass(message.source);
	}
}, onAfterUnsetFolder:function (message) {
	this.setnodeDocTypeClass(message.source);
}, listenNode:function (node) {
	node.contentIconNode = document.createElement("div");
	var clazz = node.tree.classPrefix + "IconContent";
	if (dojo.render.html.ie) {
		clazz = clazz + " " + node.tree.classPrefix + "IEIconContent";
	}
	dojo.html.setClass(node.contentIconNode, clazz);
	node.contentNode.parentNode.replaceChild(node.contentIconNode, node.expandNode);
	node.iconNode = document.createElement("div");
	dojo.html.setClass(node.iconNode, node.tree.classPrefix + "Icon" + " " + node.tree.classPrefix + "Icon" + this.getnodeDocType(node));
	node.contentIconNode.appendChild(node.expandNode);
	node.contentIconNode.appendChild(node.iconNode);
	dojo.dom.removeNode(node.contentNode);
	node.contentIconNode.appendChild(node.contentNode);
}, onAfterChangeTree:function (message) {
	var _this = this;
	if (!message.oldTree || !this.listenedTrees[message.oldTree.widgetId]) {
		this.processDescendants(message.node, this.listenNodeFilter, this.listenNode);
	}
}});