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alexandre_ |
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/*
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Copyright (c) 2004-2006, The Dojo Foundation
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All Rights Reserved.
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Licensed under the Academic Free License version 2.1 or above OR the
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modified BSD license. For more information on Dojo licensing, see:
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http://dojotoolkit.org/community/licensing.shtml
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*/
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dojo.provide("dojo.widget.TreeSelector");
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dojo.require("dojo.widget.HtmlWidget");
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dojo.widget.defineWidget("dojo.widget.TreeSelector", dojo.widget.HtmlWidget, function () {
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this.eventNames = {};
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this.listenedTrees = [];
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}, {widgetType:"TreeSelector", selectedNode:null, dieWithTree:false, eventNamesDefault:{select:"select", destroy:"destroy", deselect:"deselect", dblselect:"dblselect"}, initialize:function () {
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for (name in this.eventNamesDefault) {
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if (dojo.lang.isUndefined(this.eventNames[name])) {
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this.eventNames[name] = this.widgetId + "/" + this.eventNamesDefault[name];
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}
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}
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}, destroy:function () {
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dojo.event.topic.publish(this.eventNames.destroy, {source:this});
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return dojo.widget.HtmlWidget.prototype.destroy.apply(this, arguments);
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}, listenTree:function (tree) {
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dojo.event.topic.subscribe(tree.eventNames.titleClick, this, "select");
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dojo.event.topic.subscribe(tree.eventNames.iconClick, this, "select");
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dojo.event.topic.subscribe(tree.eventNames.collapse, this, "onCollapse");
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dojo.event.topic.subscribe(tree.eventNames.moveFrom, this, "onMoveFrom");
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dojo.event.topic.subscribe(tree.eventNames.removeNode, this, "onRemoveNode");
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dojo.event.topic.subscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy");
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this.listenedTrees.push(tree);
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}, unlistenTree:function (tree) {
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dojo.event.topic.unsubscribe(tree.eventNames.titleClick, this, "select");
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dojo.event.topic.unsubscribe(tree.eventNames.iconClick, this, "select");
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dojo.event.topic.unsubscribe(tree.eventNames.collapse, this, "onCollapse");
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dojo.event.topic.unsubscribe(tree.eventNames.moveFrom, this, "onMoveFrom");
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dojo.event.topic.unsubscribe(tree.eventNames.removeNode, this, "onRemoveNode");
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dojo.event.topic.unsubscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy");
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for (var i = 0; i < this.listenedTrees.length; i++) {
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if (this.listenedTrees[i] === tree) {
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this.listenedTrees.splice(i, 1);
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break;
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}
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}
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}, onTreeDestroy:function (message) {
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this.unlistenTree(message.source);
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if (this.dieWithTree) {
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this.destroy();
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}
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}, onCollapse:function (message) {
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if (!this.selectedNode) {
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return;
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}
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var node = message.source;
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var parent = this.selectedNode.parent;
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while (parent !== node && parent.isTreeNode) {
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parent = parent.parent;
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}
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if (parent.isTreeNode) {
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this.deselect();
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}
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}, select:function (message) {
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var node = message.source;
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var e = message.event;
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if (this.selectedNode === node) {
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if (e.ctrlKey || e.shiftKey || e.metaKey) {
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this.deselect();
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return;
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}
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dojo.event.topic.publish(this.eventNames.dblselect, {node:node});
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return;
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}
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if (this.selectedNode) {
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this.deselect();
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}
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this.doSelect(node);
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dojo.event.topic.publish(this.eventNames.select, {node:node});
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}, onMoveFrom:function (message) {
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if (message.child !== this.selectedNode) {
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return;
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}
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if (!dojo.lang.inArray(this.listenedTrees, message.newTree)) {
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this.deselect();
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}
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}, onRemoveNode:function (message) {
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if (message.child !== this.selectedNode) {
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return;
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}
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this.deselect();
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}, doSelect:function (node) {
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node.markSelected();
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this.selectedNode = node;
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}, deselect:function () {
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var node = this.selectedNode;
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this.selectedNode = null;
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node.unMarkSelected();
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dojo.event.topic.publish(this.eventNames.deselect, {node:node});
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}});
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