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      1 /*
      2  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 WebInspector.ScopeChainSidebarPane = function()
     27 {
     28     WebInspector.SidebarPane.call(this, WebInspector.UIString("Scope Variables"));
     29     this._sections = [];
     30     this._expandedSections = {};
     31     this._expandedProperties = [];
     32 }
     33 
     34 WebInspector.ScopeChainSidebarPane.prototype = {
     35     update: function(callFrame)
     36     {
     37         this.bodyElement.removeChildren();
     38 
     39         if (!callFrame) {
     40             var infoElement = document.createElement("div");
     41             infoElement.className = "info";
     42             infoElement.textContent = WebInspector.UIString("Not Paused");
     43             this.bodyElement.appendChild(infoElement);
     44             return;
     45         }
     46 
     47         for (var i = 0; i < this._sections.length; ++i) {
     48             var section = this._sections[i];
     49             if (!section.title)
     50                 continue;
     51             if (section.expanded)
     52                 this._expandedSections[section.title] = true;
     53             else
     54                 delete this._expandedSections[section.title];
     55         }
     56 
     57         this._sections = [];
     58 
     59         var foundLocalScope = false;
     60         var scopeChain = callFrame.scopeChain;
     61         for (var i = 0; i < scopeChain.length; ++i) {
     62             var scope = scopeChain[i];
     63             var title = null;
     64             var subtitle = scope.object.description;
     65             var emptyPlaceholder = null;
     66             var extraProperties = null;
     67 
     68             switch (scope.type) {
     69                 case "local":
     70                     foundLocalScope = true;
     71                     title = WebInspector.UIString("Local");
     72                     emptyPlaceholder = WebInspector.UIString("No Variables");
     73                     subtitle = null;
     74                     if (scope.this)
     75                         extraProperties = [ new WebInspector.RemoteObjectProperty("this", WebInspector.RemoteObject.fromPayload(scope.this)) ];
     76                     break;
     77                 case "closure":
     78                     title = WebInspector.UIString("Closure");
     79                     emptyPlaceholder = WebInspector.UIString("No Variables");
     80                     subtitle = null;
     81                     break;
     82                 case "catch":
     83                     title = WebInspector.UIString("Catch");
     84                     break;
     85                 case "with":
     86                     title = WebInspector.UIString("With Block");
     87                     break;
     88                 case "global":
     89                     title = WebInspector.UIString("Global");
     90                     break;
     91             }
     92 
     93             if (!title || title === subtitle)
     94                 subtitle = null;
     95 
     96             var section = new WebInspector.ObjectPropertiesSection(WebInspector.RemoteObject.fromPayload(scope.object), title, subtitle, emptyPlaceholder, true, extraProperties, WebInspector.ScopeVariableTreeElement);
     97             section.editInSelectedCallFrameWhenPaused = true;
     98             section.pane = this;
     99 
    100             if (!foundLocalScope || scope.type === "local" || title in this._expandedSections)
    101                 section.expanded = true;
    102 
    103             this._sections.push(section);
    104             this.bodyElement.appendChild(section.element);
    105         }
    106     }
    107 }
    108 
    109 WebInspector.ScopeChainSidebarPane.prototype.__proto__ = WebInspector.SidebarPane.prototype;
    110 
    111 WebInspector.ScopeVariableTreeElement = function(property)
    112 {
    113     WebInspector.ObjectPropertyTreeElement.call(this, property);
    114 }
    115 
    116 WebInspector.ScopeVariableTreeElement.prototype = {
    117     onattach: function()
    118     {
    119         WebInspector.ObjectPropertyTreeElement.prototype.onattach.call(this);
    120         if (this.hasChildren && this.propertyIdentifier in this.treeOutline.section.pane._expandedProperties)
    121             this.expand();
    122     },
    123 
    124     onexpand: function()
    125     {
    126         this.treeOutline.section.pane._expandedProperties[this.propertyIdentifier] = true;
    127     },
    128 
    129     oncollapse: function()
    130     {
    131         delete this.treeOutline.section.pane._expandedProperties[this.propertyIdentifier];
    132     },
    133 
    134     get propertyIdentifier()
    135     {
    136         if ("_propertyIdentifier" in this)
    137             return this._propertyIdentifier;
    138         var section = this.treeOutline.section;
    139         this._propertyIdentifier = section.title + ":" + (section.subtitle ? section.subtitle + ":" : "") + this.propertyPath;
    140         return this._propertyIdentifier;
    141     },
    142 
    143     get propertyPath()
    144     {
    145         if ("_propertyPath" in this)
    146             return this._propertyPath;
    147 
    148         var current = this;
    149         var result;
    150 
    151         do {
    152             if (result)
    153                 result = current.property.name + "." + result;
    154             else
    155                 result = current.property.name;
    156             current = current.parent;
    157         } while (current && !current.root);
    158 
    159         this._propertyPath = result;
    160         return result;
    161     }
    162 }
    163 
    164 WebInspector.ScopeVariableTreeElement.prototype.__proto__ = WebInspector.ObjectPropertyTreeElement.prototype;
    165