Subversion Repositories Applications.papyrus

/*
        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 (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});
}});