WebCore/page/inspector/PropertiesSidebarPane.js

/*
 * Copyright (C) 2007 Apple Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

WebInspector.PropertiesSidebarPane = function()
{
    WebInspector.SidebarPane.call(this, WebInspector.UIString("Properties"));
}

WebInspector.PropertiesSidebarPane.prototype = {
    update: function(object)
    {
        var body = this.bodyElement;

        body.removeChildren();

        this.sections = [];

        if (!object)
            return;

        for (var prototype = object; prototype; prototype = prototype.__proto__) {
            var section = new WebInspector.ObjectPropertiesSection(prototype);
            this.sections.push(section);
            body.appendChild(section.element);
        }
    }
}

WebInspector.PropertiesSidebarPane.prototype.__proto__ = WebInspector.SidebarPane.prototype;

WebInspector.ObjectPropertiesSection = function(object)
{
    var title = Object.describe(object);
    var subtitle;
    if (title.match(/Prototype$/)) {
        title = title.replace(/Prototype$/, "");
        subtitle = WebInspector.UIString("Prototype");
    }

    this.object = object;

    WebInspector.PropertiesSection.call(this, title, subtitle);
}

WebInspector.ObjectPropertiesSection.prototype = {
    onpopulate: function()
    {
        var properties = Object.sortedProperties(this.object);
        for (var i = 0; i < properties.length; ++i) {
            var propertyName = properties[i];
            if (!this.object.hasOwnProperty(propertyName) || propertyName === "__treeElementIdentifier")
                continue;
            this.propertiesTreeOutline.appendChild(new WebInspector.ObjectPropertyTreeElement(this.object, propertyName));
        }
    }
}

WebInspector.ObjectPropertiesSection.prototype.__proto__ = WebInspector.PropertiesSection.prototype;

WebInspector.ObjectPropertyTreeElement = function(parentObject, propertyName)
{
    this.parentObject = parentObject;
    this.propertyName = propertyName;

    var childObject = this.safePropertyValue(parentObject, propertyName);
    var isGetter = parentObject.__lookupGetter__(propertyName);

    var title = "<span class=\"name\">" + propertyName.escapeHTML() + "</span>: ";
    if (!isGetter)
        title += "<span class=\"value\">" + Object.describe(childObject, true).escapeHTML() + "</span>";
    else
        // FIXME: this should show something like "getter" once we can change localization (bug 16734).
        title += "<span class=\"value dimmed\">&mdash;</span>";

    var hasSubProperties = false;
    var type = typeof childObject;
    if (childObject && (type === "object" || type === "function")) {
        for (subPropertyName in childObject) {
            if (subPropertyName === "__treeElementIdentifier")
                continue;
            hasSubProperties = true;
            break;
        }
    }

    TreeElement.call(this, title, null, hasSubProperties);
}

WebInspector.ObjectPropertyTreeElement.prototype = {
    safePropertyValue: function(object, propertyName)
    {
        var getter = object.__lookupGetter__(propertyName);
        if (getter)
            return;
        return object[propertyName];
    },

    onpopulate: function()
    {
        if (this.children.length)
            return;

        var childObject = this.safePropertyValue(this.parentObject, this.propertyName);
        var properties = Object.sortedProperties(childObject);
        for (var i = 0; i < properties.length; ++i) {
            var propertyName = properties[i];
            if (propertyName === "__treeElementIdentifier")
                continue;
            this.appendChild(new WebInspector.ObjectPropertyTreeElement(childObject, propertyName));
        }
    }
}

WebInspector.ObjectPropertyTreeElement.prototype.__proto__ = TreeElement.prototype;