Demo/bin/Debug/front_end/components/CustomPreviewSection.js

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// Copyright 2014 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.

/**
 * @constructor
 * @param {!WebInspector.RemoteObject} object
 */
WebInspector.CustomPreviewSection = function(object)
{
    this._sectionElement = createElementWithClass("span", "custom-expandable-section");
    this._object = object;
    this._expanded = false;
    this._cachedContent = null;
    var customPreview = object.customPreview();

    try {
        var headerJSON = JSON.parse(customPreview.header);
    } catch (e) {
        WebInspector.console.error("Broken formatter: header is invalid json " + e);
        return;
    }
    this._header = this._renderJSONMLTag(headerJSON);
    if (this._header.nodeType === Node.TEXT_NODE) {
        WebInspector.console.error("Broken formatter: header should be an element node.");
        return;
    }

    if (customPreview.hasBody) {
        this._header.classList.add("custom-expandable-section-header");
        this._header.addEventListener("click", this._onClick.bind(this), false);
    }

    this._sectionElement.appendChild(this._header);
}

/**
 * @constructor
 * @param {!WebInspector.RemoteObject} object
 */
WebInspector.CustomPreviewComponent = function(object)
{
    this._object = object;
    this._customPreviewSection = new WebInspector.CustomPreviewSection(object);
    this.element  = createElementWithClass("span", "source-code");
    var shadowRoot = WebInspector.createShadowRootWithCoreStyles(this.element);
    this.element.addEventListener("contextmenu", this._contextMenuEventFired.bind(this), false);
    shadowRoot.appendChild(WebInspector.Widget.createStyleElement("components/customPreviewSection.css"));
    shadowRoot.appendChild(this._customPreviewSection.element());
}

WebInspector.CustomPreviewComponent.prototype = {
    expandIfPossible: function()
    {
        if (this._object.customPreview().hasBody && this._customPreviewSection)
            this._customPreviewSection._loadBody();
    },

    /**
     * @param {!Event} event
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