| /* |
| * 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([ |
| "underscore", "backbone" |
| ], function (_, Backbone) { |
| |
| var AppTree = {}; |
| |
| AppTree.Model = Backbone.Model.extend({ |
| defaults: function() { |
| return { |
| id: "", |
| name: "", |
| type: "", |
| iconUrl: "", |
| serviceUp: "", |
| serviceState: "", |
| applicationId: "", |
| parentId: "", |
| children: [], |
| members: [] |
| }; |
| }, |
| getDisplayName: function() { |
| return this.get("name"); |
| }, |
| hasChildren: function() { |
| return this.get("children").length > 0; |
| }, |
| hasMembers: function() { |
| return this.get("members").length > 0; |
| } |
| }) |
| |
| AppTree.Collection = Backbone.Collection.extend({ |
| model: AppTree.Model, |
| includedEntities: [], |
| |
| getApplications: function() { |
| var entities = []; |
| _.each(this.models, function(it) { |
| if (it.get('id') == it.get('applicationId')) |
| entities.push(it.get('id')); |
| }); |
| return entities; |
| }, |
| |
| getNonApplications: function() { |
| var entities = []; |
| _.each(this.models, function(it) { |
| if (it.get('id') != it.get('applicationId')) |
| entities.push(it.get('id')); |
| }); |
| return entities; |
| }, |
| |
| // returns true if the included entities has changed as a result |
| includeEntities: function(entities) { |
| // accepts id as string or object with id field |
| var oldLength = this.includedEntities.length; |
| var newList = [].concat(this.includedEntities); |
| for (entityId in entities) { |
| var entity = entities[entityId]; |
| if (typeof entity === 'string') |
| newList.push(entity); |
| else |
| newList.push(entity.id); |
| } |
| this.includedEntities = _.uniq(newList); |
| return (this.includedEntities.length > oldLength); |
| }, |
| |
| /** |
| * Depth-first search of entries in this.models for the first entity whose ID matches the |
| * function's argument. Includes each entity's children. |
| */ |
| getEntityNameFromId: function (id) { |
| if (!this.models.length) return undefined; |
| |
| for (var i = 0, l = this.models.length; i < l; i++) { |
| var model = this.models[i]; |
| if (model.get("id") === id) { |
| return model.getDisplayName(); |
| } else { |
| // slice(0) makes a shallow clone of the array |
| var queue = model.get("children").slice(0); |
| while (queue.length) { |
| var child = queue.pop(); |
| if (child.id === id) { |
| return child.name; |
| } else { |
| if (_.has(child, 'children')) { |
| queue = queue.concat(child.children); |
| } |
| } |
| } |
| } |
| } |
| |
| // Is this surprising? If we returned undefined and the caller concatenates it with |
| // a string they'll get "stringundefined", whereas this way they'll just get "string". |
| return ""; |
| }, |
| |
| url: function() { |
| if (this.includedEntities.length) { |
| var ids = this.includedEntities.join(","); |
| return "/v1/applications/fetch?items="+ids; |
| } else |
| return "/v1/applications/fetch"; |
| } |
| }); |
| |
| return AppTree; |
| }) |