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.TreeBasicController");
dojo.require("dojo.event.*");
dojo.require("dojo.json");
dojo.require("dojo.io.*");
dojo.widget.defineWidget("dojo.widget.TreeBasicController", dojo.widget.HtmlWidget, {widgetType:"TreeBasicController", DNDController:"", dieWithTree:false, initialize:function (args, frag) {
        if (this.DNDController == "create") {
                dojo.require("dojo.dnd.TreeDragAndDrop");
                this.DNDController = new dojo.dnd.TreeDNDController(this);
        }
}, listenTree:function (tree) {
        dojo.event.topic.subscribe(tree.eventNames.createDOMNode, this, "onCreateDOMNode");
        dojo.event.topic.subscribe(tree.eventNames.treeClick, this, "onTreeClick");
        dojo.event.topic.subscribe(tree.eventNames.treeCreate, this, "onTreeCreate");
        dojo.event.topic.subscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy");
        if (this.DNDController) {
                this.DNDController.listenTree(tree);
        }
}, unlistenTree:function (tree) {
        dojo.event.topic.unsubscribe(tree.eventNames.createDOMNode, this, "onCreateDOMNode");
        dojo.event.topic.unsubscribe(tree.eventNames.treeClick, this, "onTreeClick");
        dojo.event.topic.unsubscribe(tree.eventNames.treeCreate, this, "onTreeCreate");
        dojo.event.topic.unsubscribe(tree.eventNames.treeDestroy, this, "onTreeDestroy");
}, onTreeDestroy:function (message) {
        var tree = message.source;
        this.unlistenTree(tree);
        if (this.dieWithTree) {
                this.destroy();
        }
}, onCreateDOMNode:function (message) {
        var node = message.source;
        if (node.expandLevel > 0) {
                this.expandToLevel(node, node.expandLevel);
        }
}, onTreeCreate:function (message) {
        var tree = message.source;
        var _this = this;
        if (tree.expandLevel) {
                dojo.lang.forEach(tree.children, function (child) {
                        _this.expandToLevel(child, tree.expandLevel - 1);
                });
        }
}, expandToLevel:function (node, level) {
        if (level == 0) {
                return;
        }
        var children = node.children;
        var _this = this;
        var handler = function (node, expandLevel) {
                this.node = node;
                this.expandLevel = expandLevel;
                this.process = function () {
                        for (var i = 0; i < this.node.children.length; i++) {
                                var child = node.children[i];
                                _this.expandToLevel(child, this.expandLevel);
                        }
                };
        };
        var h = new handler(node, level - 1);
        this.expand(node, false, h, h.process);
}, onTreeClick:function (message) {
        var node = message.source;
        if (node.isLocked()) {
                return false;
        }
        if (node.isExpanded) {
                this.collapse(node);
        } else {
                this.expand(node);
        }
}, expand:function (node, sync, callObj, callFunc) {
        node.expand();
        if (callFunc) {
                callFunc.apply(callObj, [node]);
        }
}, collapse:function (node) {
        node.collapse();
}, canMove:function (child, newParent) {
        if (child.actionIsDisabled(child.actions.MOVE)) {
                return false;
        }
        if (child.parent !== newParent && newParent.actionIsDisabled(newParent.actions.ADDCHILD)) {
                return false;
        }
        var node = newParent;
        while (node.isTreeNode) {
                if (node === child) {
                        return false;
                }
                node = node.parent;
        }
        return true;
}, move:function (child, newParent, index) {
        if (!this.canMove(child, newParent)) {
                return false;
        }
        var result = this.doMove(child, newParent, index);
        if (!result) {
                return result;
        }
        if (newParent.isTreeNode) {
                this.expand(newParent);
        }
        return result;
}, doMove:function (child, newParent, index) {
        child.tree.move(child, newParent, index);
        return true;
}, canRemoveNode:function (child) {
        if (child.actionIsDisabled(child.actions.REMOVE)) {
                return false;
        }
        return true;
}, removeNode:function (node, callObj, callFunc) {
        if (!this.canRemoveNode(node)) {
                return false;
        }
        return this.doRemoveNode(node, callObj, callFunc);
}, doRemoveNode:function (node, callObj, callFunc) {
        node.tree.removeNode(node);
        if (callFunc) {
                callFunc.apply(dojo.lang.isUndefined(callObj) ? this : callObj, [node]);
        }
}, canCreateChild:function (parent, index, data) {
        if (parent.actionIsDisabled(parent.actions.ADDCHILD)) {
                return false;
        }
        return true;
}, createChild:function (parent, index, data, callObj, callFunc) {
        if (!this.canCreateChild(parent, index, data)) {
                return false;
        }
        return this.doCreateChild.apply(this, arguments);
}, doCreateChild:function (parent, index, data, callObj, callFunc) {
        var widgetType = data.widgetType ? data.widgetType : "TreeNode";
        var newChild = dojo.widget.createWidget(widgetType, data);
        parent.addChild(newChild, index);
        this.expand(parent);
        if (callFunc) {
                callFunc.apply(callObj, [newChild]);
        }
        return newChild;
}});