| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| define(["dojo/_base/lang", |
| "dojo/query", |
| "dijit/Tree", |
| "qpid/common/util", |
| "qpid/management/controller", |
| "dojo/ready", |
| "dojo/domReady!"], function (lang, query, Tree, util, controller) |
| { |
| |
| function TreeViewModel(management, node) |
| { |
| this.management = management; |
| this.node = node; |
| |
| this.onChildrenChange = function (parent, children) |
| { |
| // fired when the set of children for an object change |
| }; |
| |
| this.onChange = function (object) |
| { |
| // fired when the properties of an object change |
| }; |
| |
| this.onDelete = function (object) |
| { |
| // fired when an object is deleted |
| }; |
| } |
| |
| TreeViewModel.prototype.buildModel = function (data) |
| { |
| this.model = data; |
| |
| }; |
| |
| TreeViewModel.prototype.updateModel = function (data) |
| { |
| var that = this; |
| |
| function checkForChanges(oldData, data) |
| { |
| var propName; |
| if (oldData.name != data.name) |
| { |
| that.onChange(data); |
| } |
| |
| var childChanges = false; |
| // Iterate over old childTypes, check all are in new |
| for (propName in oldData) |
| { |
| if (oldData.hasOwnProperty(propName)) |
| { |
| var oldChildren = oldData[propName]; |
| if (util.isArray(oldChildren)) |
| { |
| |
| var newChildren = data[propName]; |
| |
| if (!(newChildren && util.isArray(newChildren))) |
| { |
| childChanges = true; |
| } |
| else |
| { |
| var subChanges = false; |
| // iterate over elements in array, make sure in both, in which case recurse |
| for (var i = 0; i < oldChildren.length; i++) |
| { |
| var matched = false; |
| for (var j = 0; j < newChildren.length; j++) |
| { |
| if (oldChildren[i].id == newChildren[j].id) |
| { |
| checkForChanges(oldChildren[i], newChildren[j]); |
| matched = true; |
| break; |
| } |
| } |
| if (!matched) |
| { |
| subChanges = true; |
| } |
| } |
| if (subChanges == true || oldChildren.length != newChildren.length) |
| { |
| that.onChildrenChange({ |
| id: data.id + propName, |
| _dummyChild: propName, |
| data: data |
| }, newChildren); |
| } |
| } |
| } |
| } |
| } |
| |
| for (propName in data) |
| { |
| if (data.hasOwnProperty(propName)) |
| { |
| var prop = data[propName]; |
| if (util.isArray(prop)) |
| { |
| if (!(oldData[propName] && util.isArray(oldData[propName]))) |
| { |
| childChanges = true; |
| } |
| } |
| } |
| } |
| |
| if (childChanges) |
| { |
| var children = []; |
| that.getChildren(data, function (theChildren) |
| { |
| children = theChildren |
| }); |
| that.onChildrenChange(data, children); |
| } |
| } |
| |
| var oldData = this.model; |
| this.model = data; |
| |
| checkForChanges(oldData, data); |
| }; |
| |
| TreeViewModel.prototype.fetchItemByIdentity = function (id) |
| { |
| |
| function fetchItem(id, data) |
| { |
| var propName; |
| |
| if (data.id == id) |
| { |
| return data; |
| } |
| else if (id.indexOf(data.id) == 0) |
| { |
| return { |
| id: id, |
| _dummyChild: id.substring(id.length), |
| data: data |
| }; |
| } |
| else |
| { |
| for (propName in data) |
| { |
| if (data.hasOwnProperty(propName)) |
| { |
| var prop = data[propName]; |
| if (util.isArray(prop)) |
| { |
| for (var i = 0; i < prop.length; i++) |
| { |
| var theItem = fetchItem(id, prop[i]); |
| if (theItem) |
| { |
| return theItem; |
| } |
| } |
| } |
| } |
| } |
| return null; |
| } |
| } |
| |
| return fetchItem(id, this.model); |
| }; |
| |
| TreeViewModel.prototype.getChildren = function (parentItem, onComplete) |
| { |
| |
| if (parentItem) |
| { |
| if (parentItem._dummyChild) |
| { |
| onComplete(parentItem.data[parentItem._dummyChild]); |
| } |
| else |
| { |
| var children = []; |
| for (var propName in parentItem) |
| { |
| if (parentItem.hasOwnProperty(propName)) |
| { |
| var prop = parentItem[propName]; |
| |
| if (util.isArray(prop)) |
| { |
| children.push({ |
| id: parentItem.id + propName, |
| _dummyChild: propName, |
| data: parentItem |
| }); |
| } |
| } |
| } |
| onComplete(children); |
| } |
| } |
| else |
| { |
| onComplete([]); |
| } |
| }; |
| |
| TreeViewModel.prototype.getIdentity = function (theItem) |
| { |
| if (theItem) |
| { |
| return theItem.id; |
| } |
| |
| }; |
| |
| TreeViewModel.prototype.getLabel = function (theItem) |
| { |
| if (theItem) |
| { |
| if (theItem._dummyChild) |
| { |
| return theItem._dummyChild; |
| } |
| else |
| { |
| return theItem.name; |
| } |
| } |
| else |
| { |
| return ""; |
| } |
| }; |
| |
| TreeViewModel.prototype.getRoot = function (onItem) |
| { |
| onItem(this.model); |
| }; |
| |
| TreeViewModel.prototype.mayHaveChildren = function (theItem) |
| { |
| if (theItem) |
| { |
| if (theItem._dummyChild) |
| { |
| return true; |
| } |
| else |
| { |
| for (var propName in theItem) |
| { |
| if (theItem.hasOwnProperty(propName)) |
| { |
| var prop = theItem[propName]; |
| if (util.isArray(prop)) |
| { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| } |
| else |
| { |
| return false; |
| } |
| }; |
| |
| TreeViewModel.prototype.relocate = function (theItem) |
| { |
| controller.showById(theItem.id); |
| }; |
| |
| TreeViewModel.prototype.update = function (data) |
| { |
| if (this.model) |
| { |
| this.updateModel(data); |
| } |
| else |
| { |
| this.buildModel(data); |
| this.startUp(); |
| } |
| }; |
| |
| TreeViewModel.prototype.startUp = function () |
| { |
| var tree = new Tree({model: this}, this.node); |
| tree.on("dblclick", lang.hitch(this, function (object) |
| { |
| if (object && !object._dummyChild) |
| { |
| this.relocate(object); |
| } |
| |
| }), true); |
| tree.startup(); |
| }; |
| |
| return TreeViewModel; |
| }); |