TreeSelector.js
资源名称:oa.rar [点击查看]
上传用户:kimgenplus
上传日期:2016-06-05
资源大小:20877k
文件大小:3k
源码类别:
OA系统
开发平台:
Java
- /*
- 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.TreeSelector");
- dojo.require("dojo.widget.HtmlWidget");
- dojo.widget.defineWidget("dojo.widget.TreeSelector", dojo.widget.HtmlWidget, function () {
- this.eventNames = {};
- this.listenedTrees = [];
- }, {widgetType:"TreeSelector", selectedNode:null, dieWithTree:false, eventNamesDefault:{select:"select", destroy:"destroy", deselect:"deselect", dblselect:"dblselect"}, initialize:function () {
- for (var name in this.eventNamesDefault) {
- if (dojo.lang.isUndefined(this.eventNames[name])) {
- this.eventNames[name] = this.widgetId + "/" + this.eventNamesDefault[name];
- }
- }
- }, destroy:function () {
- dojo.event.topic.publish(this.eventNames.destroy, {source:this});
- return dojo.widget.HtmlWidget.prototype.destroy.apply(this, arguments);
- }, listenTree:function (tree) {
- dojo.event.topic.subscribe(tree.eventNames.titleClick, this, "select");
- dojo.event.topic.subscribe(tree.eventNames.iconClick, this, "select");
- dojo.event.topic.subscribe(tree.eventNames.collapse, this, "onCollapse");
- dojo.event.topic.subscribe(tree.eventNames.moveFrom, this, "onMoveFrom");
- dojo.event.topic.subscribe(tree.eventNames.removeNode, this, "onRemoveNode");
- dojo.event.topic.subscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy");
- this.listenedTrees.push(tree);
- }, unlistenTree:function (tree) {
- dojo.event.topic.unsubscribe(tree.eventNames.titleClick, this, "select");
- dojo.event.topic.unsubscribe(tree.eventNames.iconClick, this, "select");
- dojo.event.topic.unsubscribe(tree.eventNames.collapse, this, "onCollapse");
- dojo.event.topic.unsubscribe(tree.eventNames.moveFrom, this, "onMoveFrom");
- dojo.event.topic.unsubscribe(tree.eventNames.removeNode, this, "onRemoveNode");
- dojo.event.topic.unsubscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy");
- for (var i = 0; i < this.listenedTrees.length; i++) {
- if (this.listenedTrees[i] === tree) {
- this.listenedTrees.splice(i, 1);
- break;
- }
- }
- }, onTreeDestroy:function (message) {
- this.unlistenTree(message.source);
- if (this.dieWithTree) {
- this.destroy();
- }
- }, onCollapse:function (message) {
- if (!this.selectedNode) {
- return;
- }
- var node = message.source;
- var parent = this.selectedNode.parent;
- while (parent !== node && parent.isTreeNode) {
- parent = parent.parent;
- }
- if (parent.isTreeNode) {
- this.deselect();
- }
- }, select:function (message) {
- var node = message.source;
- var e = message.event;
- if (this.selectedNode === node) {
- if (e.ctrlKey || e.shiftKey || e.metaKey) {
- this.deselect();
- return;
- }
- dojo.event.topic.publish(this.eventNames.dblselect, {node:node});
- return;
- }
- if (this.selectedNode) {
- this.deselect();
- }
- this.doSelect(node);
- dojo.event.topic.publish(this.eventNames.select, {node:node});
- }, onMoveFrom:function (message) {
- if (message.child !== this.selectedNode) {
- return;
- }
- if (!dojo.lang.inArray(this.listenedTrees, message.newTree)) {
- this.deselect();
- }
- }, onRemoveNode:function (message) {
- if (message.child !== this.selectedNode) {
- return;
- }
- this.deselect();
- }, doSelect:function (node) {
- node.markSelected();
- this.selectedNode = node;
- }, deselect:function () {
- var node = this.selectedNode;
- this.selectedNode = null;
- node.unMarkSelected();
- dojo.event.topic.publish(this.eventNames.deselect, {node:node});
- }});