Modified directory preparing for app engine for dmprof visualizer

tools/deep_memory_profiler/visualizer/dropdown-view.js

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-/**
- * This is a view class showing subs of selected item.
- * TODO(junjianx): use dropdown menu to show.
- * @param {Object} profiler Must have addListener method.
- * @construct
- */
-var DropdownView = function(profiler) {
-  this.profiler_ = profiler;
-  this.placeholder_ = '#subs-dropdown';
-  // Clear state when profiler model changed.
-  profiler.addListener('changed', this.redraw_.bind(this));
-  profiler.addListener('changed:selected', this.update_.bind(this));
-};
-
-/**
- * Render new dropdown at first time being called and recover otherwise.
- * @private
- */
-DropdownView.prototype.redraw_ = function() {
-  var self = this;
-
-  var data = [{ label: 'subs' }];
-  if (!this.$tree_) {
-    this.$tree_ = $(this.placeholder_).tree({
-      data: data,
-      autoOpen: true
-    });
-
-    // Delegate click event to profiler.
-    this.$tree_.bind('tree.click', function(event) {
-      event.preventDefault();
-      self.profiler_.setSub(event.node.id);
-    });
-  } else {
-    this.$tree_.tree('loadData', data);
-  }
-};
-
-/**
- * Update dropdown view when new model is selected in menu view.
- * @param {string} id Model id.
- * @private
- */
-DropdownView.prototype.update_ = function(id) {
-  var self = this;
-
-  // Get all subs of selected model.
-  var prof = this.profiler_;
-  var models = prof.getModelsbyId(id);
-  var children = models.reduce(function(previous, current) {
-    if ('subs' in current) {
-      current.subs.forEach(function(sub) {
-        var id = sub.join(',');
-        var label = sub.join(':');
-        if (!previous.some(function(sub) {
-          return sub.id === id;
-        })) {
-          var child = {
-            id: id,
-            label: label
-          };
-          previous.push(child);
-        }
-      });
-    }
-    return previous;
-  }, []);
-
-  // Update data of subs tree.
-  var data = [{
-    label: 'subs',
-    children: children
-  }];
-  var $tree = this.$tree_;
-  $tree.tree('loadData', data);
-
-  // Select current sub if exists.
-  var curSub = prof.getCurSubById(id);
-  if (curSub) {
-    var node = $tree.tree('getNodeById', curSub);
-    $tree.tree('selectNode', node);
-    $tree.tree('scrollToNode', node);
-  }
-};