Demo/bin/Debug/front_end/elements/ElementsTreeOutline.js

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/*
 * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
 * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
 * Copyright (C) 2009 Joseph Pecoraro
 *
 * 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.
 */

/**
 * @constructor
 * @extends {TreeOutline}
 * @param {!WebInspector.DOMModel} domModel
 * @param {boolean=} omitRootDOMNode
 * @param {boolean=} selectEnabled
 */
WebInspector.ElementsTreeOutline = function(domModel, omitRootDOMNode, selectEnabled)
{
    this._domModel = domModel;
    this._treeElementSymbol = Symbol("treeElement");

    var element = createElement("div");

    this._shadowRoot = WebInspector.createShadowRootWithCoreStyles(element);
    this._shadowRoot.appendChild(WebInspector.Widget.createStyleElement("elements/elementsTreeOutline.css"));
    var outlineDisclosureElement = this._shadowRoot.createChild("div", "elements-disclosure");

    TreeOutline.call(this);
    this._element = this.element;
    this._element.classList.add("elements-tree-outline", "source-code");
    this._element.addEventListener("mousedown", this._onmousedown.bind(this), false);
    this._element.addEventListener("mousemove", this._onmousemove.bind(this), false);
    this._element.addEventListener("mouseleave", this._onmouseleave.bind(this), false);
    this._element.addEventListener("dragstart", this._ondragstart.bind(this), false);
    this._element.addEventListener("dragover", this._ondragover.bind(this), false);
    this._element.addEventListener("dragleave", this._ondragleave.bind(this), false);
    this._element.addEventListener("drop", this._ondrop.bind(this), false);
    this._element.addEventListener("dragend", this._ondragend.bind(this), false);
    this._element.addEventListener("keydown", this._onkeydown.bind(this), false);