DevTools: reformat front-end code to match chromium style.

third_party/WebKit/Source/devtools/front_end/elements/MetricsSidebarPane.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.
  */
-
 /**
- * @constructor
- * @extends {WebInspector.ElementsSidebarPane}
+ * @unrestricted
  */
-WebInspector.MetricsSidebarPane = function()
-{
-    WebInspector.ElementsSidebarPane.call(this);
+WebInspector.MetricsSidebarPane = class extends WebInspector.ElementsSidebarPane {
+  constructor() {
+    super();
+  }
+
+  /**
+   * @override
+   * @protected
+   * @return {!Promise.<?>}
+   */
+  doUpdate() {
+    // "style" attribute might have changed. Update metrics unless they are being edited
+    // (if a CSS property is added, a StyleSheetChanged event is dispatched).
+    if (this._isEditingMetrics)
+      return Promise.resolve();
+
+    // FIXME: avoid updates of a collapsed pane.
+    var node = this.node();
+    var cssModel = this.cssModel();
+    if (!node || node.nodeType() !== Node.ELEMENT_NODE || !cssModel) {
+      this.element.removeChildren();
+      return Promise.resolve();
+    }
+
+    /**
+     * @param {?Map.<string, string>} style
+     * @this {WebInspector.MetricsSidebarPane}
+     */
+    function callback(style) {
+      if (!style || this.node() !== node)
+        return;
+      this._updateMetrics(style);
+    }
+    /**
+     * @param {?WebInspector.CSSModel.InlineStyleResult} inlineStyleResult
+     * @this {WebInspector.MetricsSidebarPane}
+     */
+    function inlineStyleCallback(inlineStyleResult) {
+      if (inlineStyleResult && this.node() === node)
+        this.inlineStyle = inlineStyleResult.inlineStyle;
+    }
+
+    var promises = [
+      cssModel.computedStylePromise(node.id).then(callback.bind(this)),
+      cssModel.inlineStylesPromise(node.id).then(inlineStyleCallback.bind(this))
+    ];
+    return Promise.all(promises);
+  }
+
+  /**
+   * @override
+   */
+  onCSSModelChanged() {
+    this.update();
+  }
+
+  /**
+   * @param {!Map.<string, string>} style
+   * @param {string} propertyName
+   * @return {number}
+   */
+  _getPropertyValueAsPx(style, propertyName) {
+    return Number(style.get(propertyName).replace(/px$/, '') || 0);
+  }
+
+  /**
+   * @param {!Map.<string, string>} computedStyle
+   * @param {string} componentName
+   */
+  _getBox(computedStyle, componentName) {
+    var suffix = componentName === 'border' ? '-width' : '';
+    var left = this._getPropertyValueAsPx(computedStyle, componentName + '-left' + suffix);
+    var top = this._getPropertyValueAsPx(computedStyle, componentName + '-top' + suffix);
+    var right = this._getPropertyValueAsPx(computedStyle, componentName + '-right' + suffix);
+    var bottom = this._getPropertyValueAsPx(computedStyle, componentName + '-bottom' + suffix);
+    return {left: left, top: top, right: right, bottom: bottom};
+  }
+
+  /**
+   * @param {boolean} showHighlight
+   * @param {string} mode
+   * @param {!Event} event
+   */
+  _highlightDOMNode(showHighlight, mode, event) {
+    event.consume();
+    if (showHighlight && this.node()) {
+      if (this._highlightMode === mode)
+        return;
+      this._highlightMode = mode;
+      this.node().highlight(mode);
+    } else {
+      delete this._highlightMode;
+      WebInspector.DOMModel.hideDOMNodeHighlight();
+    }
+
+    for (var i = 0; this._boxElements && i < this._boxElements.length; ++i) {
+      var element = this._boxElements[i];
+      if (!this.node() || mode === 'all' || element._name === mode)
+        element.style.backgroundColor = element._backgroundColor;
+      else
+        element.style.backgroundColor = '';
+    }
+  }
+
+  /**
+   * @param {!Map.<string, string>} style
+   */
+  _updateMetrics(style) {
+    // Updating with computed style.
+    var metricsElement = createElement('div');
+    metricsElement.className = 'metrics';
+    var self = this;
+
+    /**
+     * @param {!Map.<string, string>} style
+     * @param {string} name
+     * @param {string} side
+     * @param {string} suffix
+     * @this {WebInspector.MetricsSidebarPane}
+     */
+    function createBoxPartElement(style, name, side, suffix) {
+      var propertyName = (name !== 'position' ? name + '-' : '') + side + suffix;
+      var value = style.get(propertyName);
+      if (value === '' || (name !== 'position' && value === '0px'))
+        value = '\u2012';
+      else if (name === 'position' && value === 'auto')
+        value = '\u2012';
+      value = value.replace(/px$/, '');
+      value = Number.toFixedIfFloating(value);
+
+      var element = createElement('div');
+      element.className = side;
+      element.textContent = value;
+      element.addEventListener('dblclick', this.startEditing.bind(this, element, name, propertyName, style), false);
+      return element;
+    }
+
+    /**
+     * @param {!Map.<string, string>} style
+     * @return {string}
+     */
+    function getContentAreaWidthPx(style) {
+      var width = style.get('width').replace(/px$/, '');
+      if (!isNaN(width) && style.get('box-sizing') === 'border-box') {
+        var borderBox = self._getBox(style, 'border');
+        var paddingBox = self._getBox(style, 'padding');
+
+        width = width - borderBox.left - borderBox.right - paddingBox.left - paddingBox.right;
+      }
+
+      return Number.toFixedIfFloating(width.toString());
+    }
+
+    /**
+     * @param {!Map.<string, string>} style
+     * @return {string}
+     */
+    function getContentAreaHeightPx(style) {
+      var height = style.get('height').replace(/px$/, '');
+      if (!isNaN(height) && style.get('box-sizing') === 'border-box') {
+        var borderBox = self._getBox(style, 'border');
+        var paddingBox = self._getBox(style, 'padding');
+
+        height = height - borderBox.top - borderBox.bottom - paddingBox.top - paddingBox.bottom;
+      }
+
+      return Number.toFixedIfFloating(height.toString());
+    }
+
+    // Display types for which margin is ignored.
+    var noMarginDisplayType = {
+      'table-cell': true,
+      'table-column': true,
+      'table-column-group': true,
+      'table-footer-group': true,
+      'table-header-group': true,
+      'table-row': true,
+      'table-row-group': true
+    };
+
+    // Display types for which padding is ignored.
+    var noPaddingDisplayType = {
+      'table-column': true,
+      'table-column-group': true,
+      'table-footer-group': true,
+      'table-header-group': true,
+      'table-row': true,
+      'table-row-group': true
+    };
+
+    // Position types for which top, left, bottom and right are ignored.
+    var noPositionType = {'static': true};
+
+    var boxes = ['content', 'padding', 'border', 'margin', 'position'];
+    var boxColors = [
+      WebInspector.Color.PageHighlight.Content, WebInspector.Color.PageHighlight.Padding,
+      WebInspector.Color.PageHighlight.Border, WebInspector.Color.PageHighlight.Margin,
+      WebInspector.Color.fromRGBA([0, 0, 0, 0])
+    ];
+    var boxLabels = [
+      WebInspector.UIString('content'), WebInspector.UIString('padding'), WebInspector.UIString('border'),
+      WebInspector.UIString('margin'), WebInspector.UIString('position')
+    ];
+    var previousBox = null;
+    this._boxElements = [];
+    for (var i = 0; i < boxes.length; ++i) {
+      var name = boxes[i];
+
+      if (name === 'margin' && noMarginDisplayType[style.get('display')])
+        continue;
+      if (name === 'padding' && noPaddingDisplayType[style.get('display')])
+        continue;
+      if (name === 'position' && noPositionType[style.get('position')])
+        continue;
+
+      var boxElement = createElement('div');
+      boxElement.className = name;
+      boxElement._backgroundColor = boxColors[i].asString(WebInspector.Color.Format.RGBA);
+      boxElement._name = name;
+      boxElement.style.backgroundColor = boxElement._backgroundColor;
+      boxElement.addEventListener(
+          'mouseover', this._highlightDOMNode.bind(this, true, name === 'position' ? 'all' : name), false);
+      this._boxElements.push(boxElement);
+
+      if (name === 'content') {
+        var widthElement = createElement('span');
+        widthElement.textContent = getContentAreaWidthPx(style);
+        widthElement.addEventListener(
+            'dblclick', this.startEditing.bind(this, widthElement, 'width', 'width', style), false);
+
+        var heightElement = createElement('span');
+        heightElement.textContent = getContentAreaHeightPx(style);
+        heightElement.addEventListener(
+            'dblclick', this.startEditing.bind(this, heightElement, 'height', 'height', style), false);
+
+        boxElement.appendChild(widthElement);
+        boxElement.createTextChild(' \u00D7 ');
+        boxElement.appendChild(heightElement);
+      } else {
+        var suffix = (name === 'border' ? '-width' : '');
+
+        var labelElement = createElement('div');
+        labelElement.className = 'label';
+        labelElement.textContent = boxLabels[i];
+        boxElement.appendChild(labelElement);
+
+        boxElement.appendChild(createBoxPartElement.call(this, style, name, 'top', suffix));
+        boxElement.appendChild(createElement('br'));
+        boxElement.appendChild(createBoxPartElement.call(this, style, name, 'left', suffix));
+
+        if (previousBox)
+          boxElement.appendChild(previousBox);
+
+        boxElement.appendChild(createBoxPartElement.call(this, style, name, 'right', suffix));
+        boxElement.appendChild(createElement('br'));
+        boxElement.appendChild(createBoxPartElement.call(this, style, name, 'bottom', suffix));
+      }
+
+      previousBox = boxElement;
+    }
+
+    metricsElement.appendChild(previousBox);
+    metricsElement.addEventListener('mouseover', this._highlightDOMNode.bind(this, false, 'all'), false);
+    this.element.removeChildren();
+    this.element.appendChild(metricsElement);
+  }
+
+  /**
+   * @param {!Element} targetElement
+   * @param {string} box
+   * @param {string} styleProperty
+   * @param {!Map.<string, string>} computedStyle
+   */
+  startEditing(targetElement, box, styleProperty, computedStyle) {
+    if (WebInspector.isBeingEdited(targetElement))
+      return;
+
+    var context = {box: box, styleProperty: styleProperty, computedStyle: computedStyle};
+    var boundKeyDown = this._handleKeyDown.bind(this, context, styleProperty);
+    context.keyDownHandler = boundKeyDown;
+    targetElement.addEventListener('keydown', boundKeyDown, false);
+
+    this._isEditingMetrics = true;
+
+    var config = new WebInspector.InplaceEditor.Config(
+        this._editingCommitted.bind(this), this.editingCancelled.bind(this), context);
+    WebInspector.InplaceEditor.startEditing(targetElement, config);
+
+    targetElement.getComponentSelection().setBaseAndExtent(targetElement, 0, targetElement, 1);
+  }
+
+  _handleKeyDown(context, styleProperty, event) {
+    var element = event.currentTarget;
+
+    /**
+     * @param {string} originalValue
+     * @param {string} replacementString
+     * @this {WebInspector.MetricsSidebarPane}
+     */
+    function finishHandler(originalValue, replacementString) {
+      this._applyUserInput(element, replacementString, originalValue, context, false);
+    }
+
+    /**
+     * @param {string} prefix
+     * @param {number} number
+     * @param {string} suffix
+     * @return {string}
+     */
+    function customNumberHandler(prefix, number, suffix) {
+      if (styleProperty !== 'margin' && number < 0)
+        number = 0;
+      return prefix + number + suffix;
+    }
+
+    WebInspector.handleElementValueModifications(
+        event, element, finishHandler.bind(this), undefined, customNumberHandler);
+  }
+
+  editingEnded(element, context) {
+    delete this.originalPropertyData;
+    delete this.previousPropertyDataCandidate;
+    element.removeEventListener('keydown', context.keyDownHandler, false);
+    delete this._isEditingMetrics;
+  }
+
+  editingCancelled(element, context) {
+    if ('originalPropertyData' in this && this.inlineStyle) {
+      if (!this.originalPropertyData) {
+        // An added property, remove the last property in the style.
+        var pastLastSourcePropertyIndex = this.inlineStyle.pastLastSourcePropertyIndex();
+        if (pastLastSourcePropertyIndex)
+          this.inlineStyle.allProperties[pastLastSourcePropertyIndex - 1].setText('', false);
+      } else
+        this.inlineStyle.allProperties[this.originalPropertyData.index].setText(
+            this.originalPropertyData.propertyText, false);
+    }
+    this.editingEnded(element, context);
+    this.update();
+  }
+
+  _applyUserInput(element, userInput, previousContent, context, commitEditor) {
+    if (!this.inlineStyle) {
+      // Element has no renderer.
+      return this.editingCancelled(element, context);  // nothing changed, so cancel
+    }
+
+    if (commitEditor && userInput === previousContent)
+      return this.editingCancelled(element, context);  // nothing changed, so cancel
+
+    if (context.box !== 'position' && (!userInput || userInput === '\u2012'))
+      userInput = '0px';
+    else if (context.box === 'position' && (!userInput || userInput === '\u2012'))
+      userInput = 'auto';
+
+    userInput = userInput.toLowerCase();
+    // Append a "px" unit if the user input was just a number.
+    if (/^\d+$/.test(userInput))
+      userInput += 'px';
+
+    var styleProperty = context.styleProperty;
+    var computedStyle = context.computedStyle;
+
+    if (computedStyle.get('box-sizing') === 'border-box' && (styleProperty === 'width' || styleProperty === 'height')) {
+      if (!userInput.match(/px$/)) {
+        WebInspector.console.error(
+            'For elements with box-sizing: border-box, only absolute content area dimensions can be applied');
+        return;
+      }
+
+      var borderBox = this._getBox(computedStyle, 'border');
+      var paddingBox = this._getBox(computedStyle, 'padding');
+      var userValuePx = Number(userInput.replace(/px$/, ''));
+      if (isNaN(userValuePx))
+        return;
+      if (styleProperty === 'width')
+        userValuePx += borderBox.left + borderBox.right + paddingBox.left + paddingBox.right;
+      else
+        userValuePx += borderBox.top + borderBox.bottom + paddingBox.top + paddingBox.bottom;
+
+      userInput = userValuePx + 'px';
+    }
+
+    this.previousPropertyDataCandidate = null;
+
+    var allProperties = this.inlineStyle.allProperties;
+    for (var i = 0; i < allProperties.length; ++i) {
+      var property = allProperties[i];
+      if (property.name !== context.styleProperty || !property.activeInStyle())
+        continue;
+
+      this.previousPropertyDataCandidate = property;
+      property.setValue(userInput, commitEditor, true, callback.bind(this));
+      return;
+    }
+
+    this.inlineStyle.appendProperty(context.styleProperty, userInput, callback.bind(this));
+
+    /**
+     * @param {boolean} success
+     * @this {WebInspector.MetricsSidebarPane}
+     */
+    function callback(success) {
+      if (!success)
+        return;
+      if (!('originalPropertyData' in this))
+        this.originalPropertyData = this.previousPropertyDataCandidate;
+
+      if (typeof this._highlightMode !== 'undefined')
+        this.node().highlight(this._highlightMode);
+
+      if (commitEditor)
+        this.update();
+    }
+  }
+
+  _editingCommitted(element, userInput, previousContent, context) {
+    this.editingEnded(element, context);
+    this._applyUserInput(element, userInput, previousContent, context, true);
+  }
 };
-
-WebInspector.MetricsSidebarPane.prototype = {
-    /**
-     * @override
-     * @protected
-     * @return {!Promise.<?>}
-     */
-    doUpdate: function()
-    {
-        // "style" attribute might have changed. Update metrics unless they are being edited
-        // (if a CSS property is added, a StyleSheetChanged event is dispatched).
-        if (this._isEditingMetrics)
-            return Promise.resolve();
-
-        // FIXME: avoid updates of a collapsed pane.
-        var node = this.node();
-        var cssModel = this.cssModel();
-        if (!node || node.nodeType() !== Node.ELEMENT_NODE || !cssModel) {
-            this.element.removeChildren();
-            return Promise.resolve();
-        }
-
-        /**
-         * @param {?Map.<string, string>} style
-         * @this {WebInspector.MetricsSidebarPane}
-         */
-        function callback(style)
-        {
-            if (!style || this.node() !== node)
-                return;
-            this._updateMetrics(style);
-        }
-        /**
-         * @param {?WebInspector.CSSModel.InlineStyleResult} inlineStyleResult
-         * @this {WebInspector.MetricsSidebarPane}
-         */
-        function inlineStyleCallback(inlineStyleResult)
-        {
-            if (inlineStyleResult && this.node() === node)
-                this.inlineStyle = inlineStyleResult.inlineStyle;
-        }
-
-        var promises = [
-            cssModel.computedStylePromise(node.id).then(callback.bind(this)),
-            cssModel.inlineStylesPromise(node.id).then(inlineStyleCallback.bind(this))
-        ];
-        return Promise.all(promises);
-    },
-
-    /**
-     * @override
-     */
-    onCSSModelChanged: function()
-    {
-        this.update();
-    },
-
-    /**
-     * @param {!Map.<string, string>} style
-     * @param {string} propertyName
-     * @return {number}
-     */
-    _getPropertyValueAsPx: function(style, propertyName)
-    {
-        return Number(style.get(propertyName).replace(/px$/, "") || 0);
-    },
-
-    /**
-     * @param {!Map.<string, string>} computedStyle
-     * @param {string} componentName
-     */
-    _getBox: function(computedStyle, componentName)
-    {
-        var suffix = componentName === "border" ? "-width" : "";
-        var left = this._getPropertyValueAsPx(computedStyle, componentName + "-left" + suffix);
-        var top = this._getPropertyValueAsPx(computedStyle, componentName + "-top" + suffix);
-        var right = this._getPropertyValueAsPx(computedStyle, componentName + "-right" + suffix);
-        var bottom = this._getPropertyValueAsPx(computedStyle, componentName + "-bottom" + suffix);
-        return { left: left, top: top, right: right, bottom: bottom };
-    },
-
-    /**
-     * @param {boolean} showHighlight
-     * @param {string} mode
-     * @param {!Event} event
-     */
-    _highlightDOMNode: function(showHighlight, mode, event)
-    {
-        event.consume();
-        if (showHighlight && this.node()) {
-            if (this._highlightMode === mode)
-                return;
-            this._highlightMode = mode;
-            this.node().highlight(mode);
-        } else {
-            delete this._highlightMode;
-            WebInspector.DOMModel.hideDOMNodeHighlight();
-        }
-
-        for (var i = 0; this._boxElements && i < this._boxElements.length; ++i) {
-            var element = this._boxElements[i];
-            if (!this.node() || mode === "all" || element._name === mode)
-                element.style.backgroundColor = element._backgroundColor;
-            else
-                element.style.backgroundColor = "";
-        }
-    },
-
-    /**
-     * @param {!Map.<string, string>} style
-     */
-    _updateMetrics: function(style)
-    {
-        // Updating with computed style.
-        var metricsElement = createElement("div");
-        metricsElement.className = "metrics";
-        var self = this;
-
-        /**
-         * @param {!Map.<string, string>} style
-         * @param {string} name
-         * @param {string} side
-         * @param {string} suffix
-         * @this {WebInspector.MetricsSidebarPane}
-         */
-        function createBoxPartElement(style, name, side, suffix)
-        {
-            var propertyName = (name !== "position" ? name + "-" : "") + side + suffix;
-            var value = style.get(propertyName);
-            if (value === "" || (name !== "position" && value === "0px"))
-                value = "\u2012";
-            else if (name === "position" && value === "auto")
-                value = "\u2012";
-            value = value.replace(/px$/, "");
-            value = Number.toFixedIfFloating(value);
-
-            var element = createElement("div");
-            element.className = side;
-            element.textContent = value;
-            element.addEventListener("dblclick", this.startEditing.bind(this, element, name, propertyName, style), false);
-            return element;
-        }
-
-        /**
-         * @param {!Map.<string, string>} style
-         * @return {string}
-         */
-        function getContentAreaWidthPx(style)
-        {
-            var width = style.get("width").replace(/px$/, "");
-            if (!isNaN(width) && style.get("box-sizing") === "border-box") {
-                var borderBox = self._getBox(style, "border");
-                var paddingBox = self._getBox(style, "padding");
-
-                width = width - borderBox.left - borderBox.right - paddingBox.left - paddingBox.right;
-            }
-
-            return Number.toFixedIfFloating(width.toString());
-        }
-
-        /**
-         * @param {!Map.<string, string>} style
-         * @return {string}
-         */
-        function getContentAreaHeightPx(style)
-        {
-            var height = style.get("height").replace(/px$/, "");
-            if (!isNaN(height) && style.get("box-sizing") === "border-box") {
-                var borderBox = self._getBox(style, "border");
-                var paddingBox = self._getBox(style, "padding");
-
-                height = height - borderBox.top - borderBox.bottom - paddingBox.top - paddingBox.bottom;
-            }
-
-            return Number.toFixedIfFloating(height.toString());
-        }
-
-        // Display types for which margin is ignored.
-        var noMarginDisplayType = {
-            "table-cell": true,
-            "table-column": true,
-            "table-column-group": true,
-            "table-footer-group": true,
-            "table-header-group": true,
-            "table-row": true,
-            "table-row-group": true
-        };
-
-        // Display types for which padding is ignored.
-        var noPaddingDisplayType = {
-            "table-column": true,
-            "table-column-group": true,
-            "table-footer-group": true,
-            "table-header-group": true,
-            "table-row": true,
-            "table-row-group": true
-        };
-
-        // Position types for which top, left, bottom and right are ignored.
-        var noPositionType = {
-            "static": true
-        };
-
-        var boxes = ["content", "padding", "border", "margin", "position"];
-        var boxColors = [
-            WebInspector.Color.PageHighlight.Content,
-            WebInspector.Color.PageHighlight.Padding,
-            WebInspector.Color.PageHighlight.Border,
-            WebInspector.Color.PageHighlight.Margin,
-            WebInspector.Color.fromRGBA([0, 0, 0, 0])
-        ];
-        var boxLabels = [WebInspector.UIString("content"), WebInspector.UIString("padding"), WebInspector.UIString("border"), WebInspector.UIString("margin"), WebInspector.UIString("position")];
-        var previousBox = null;
-        this._boxElements = [];
-        for (var i = 0; i < boxes.length; ++i) {
-            var name = boxes[i];
-
-            if (name === "margin" && noMarginDisplayType[style.get("display")])
-                continue;
-            if (name === "padding" && noPaddingDisplayType[style.get("display")])
-                continue;
-            if (name === "position" && noPositionType[style.get("position")])
-                continue;
-
-            var boxElement = createElement("div");
-            boxElement.className = name;
-            boxElement._backgroundColor = boxColors[i].asString(WebInspector.Color.Format.RGBA);
-            boxElement._name = name;
-            boxElement.style.backgroundColor = boxElement._backgroundColor;
-            boxElement.addEventListener("mouseover", this._highlightDOMNode.bind(this, true, name === "position" ? "all" : name), false);
-            this._boxElements.push(boxElement);
-
-            if (name === "content") {
-                var widthElement = createElement("span");
-                widthElement.textContent = getContentAreaWidthPx(style);
-                widthElement.addEventListener("dblclick", this.startEditing.bind(this, widthElement, "width", "width", style), false);
-
-                var heightElement = createElement("span");
-                heightElement.textContent = getContentAreaHeightPx(style);
-                heightElement.addEventListener("dblclick", this.startEditing.bind(this, heightElement, "height", "height", style), false);
-
-                boxElement.appendChild(widthElement);
-                boxElement.createTextChild(" \u00D7 ");
-                boxElement.appendChild(heightElement);
-            } else {
-                var suffix = (name === "border" ? "-width" : "");
-
-                var labelElement = createElement("div");
-                labelElement.className = "label";
-                labelElement.textContent = boxLabels[i];
-                boxElement.appendChild(labelElement);
-
-                boxElement.appendChild(createBoxPartElement.call(this, style, name, "top", suffix));
-                boxElement.appendChild(createElement("br"));
-                boxElement.appendChild(createBoxPartElement.call(this, style, name, "left", suffix));
-
-                if (previousBox)
-                    boxElement.appendChild(previousBox);
-
-                boxElement.appendChild(createBoxPartElement.call(this, style, name, "right", suffix));
-                boxElement.appendChild(createElement("br"));
-                boxElement.appendChild(createBoxPartElement.call(this, style, name, "bottom", suffix));
-            }
-
-            previousBox = boxElement;
-        }
-
-        metricsElement.appendChild(previousBox);
-        metricsElement.addEventListener("mouseover", this._highlightDOMNode.bind(this, false, "all"), false);
-        this.element.removeChildren();
-        this.element.appendChild(metricsElement);
-    },
-
-    /**
-     * @param {!Element} targetElement
-     * @param {string} box
-     * @param {string} styleProperty
-     * @param {!Map.<string, string>} computedStyle
-     */
-    startEditing: function(targetElement, box, styleProperty, computedStyle)
-    {
-        if (WebInspector.isBeingEdited(targetElement))
-            return;
-
-        var context = { box: box, styleProperty: styleProperty, computedStyle: computedStyle };
-        var boundKeyDown = this._handleKeyDown.bind(this, context, styleProperty);
-        context.keyDownHandler = boundKeyDown;
-        targetElement.addEventListener("keydown", boundKeyDown, false);
-
-        this._isEditingMetrics = true;
-
-        var config = new WebInspector.InplaceEditor.Config(this._editingCommitted.bind(this), this.editingCancelled.bind(this), context);
-        WebInspector.InplaceEditor.startEditing(targetElement, config);
-
-        targetElement.getComponentSelection().setBaseAndExtent(targetElement, 0, targetElement, 1);
-    },
-
-    _handleKeyDown: function(context, styleProperty, event)
-    {
-        var element = event.currentTarget;
-
-        /**
-         * @param {string} originalValue
-         * @param {string} replacementString
-         * @this {WebInspector.MetricsSidebarPane}
-         */
-        function finishHandler(originalValue, replacementString)
-        {
-            this._applyUserInput(element, replacementString, originalValue, context, false);
-        }
-
-        /**
-         * @param {string} prefix
-         * @param {number} number
-         * @param {string} suffix
-         * @return {string}
-         */
-        function customNumberHandler(prefix, number, suffix)
-        {
-            if (styleProperty !== "margin" && number < 0)
-                number = 0;
-            return prefix + number + suffix;
-        }
-
-        WebInspector.handleElementValueModifications(event, element, finishHandler.bind(this), undefined, customNumberHandler);
-    },
-
-    editingEnded: function(element, context)
-    {
-        delete this.originalPropertyData;
-        delete this.previousPropertyDataCandidate;
-        element.removeEventListener("keydown", context.keyDownHandler, false);
-        delete this._isEditingMetrics;
-    },
-
-    editingCancelled: function(element, context)
-    {
-        if ("originalPropertyData" in this && this.inlineStyle) {
-            if (!this.originalPropertyData) {
-                // An added property, remove the last property in the style.
-                var pastLastSourcePropertyIndex = this.inlineStyle.pastLastSourcePropertyIndex();
-                if (pastLastSourcePropertyIndex)
-                    this.inlineStyle.allProperties[pastLastSourcePropertyIndex - 1].setText("", false);
-            } else
-                this.inlineStyle.allProperties[this.originalPropertyData.index].setText(this.originalPropertyData.propertyText, false);
-        }
-        this.editingEnded(element, context);
-        this.update();
-    },
-
-    _applyUserInput: function(element, userInput, previousContent, context, commitEditor)
-    {
-        if (!this.inlineStyle) {
-            // Element has no renderer.
-            return this.editingCancelled(element, context); // nothing changed, so cancel
-        }
-
-        if (commitEditor && userInput === previousContent)
-            return this.editingCancelled(element, context); // nothing changed, so cancel
-
-        if (context.box !== "position" && (!userInput || userInput === "\u2012"))
-            userInput = "0px";
-        else if (context.box === "position" && (!userInput || userInput === "\u2012"))
-            userInput = "auto";
-
-        userInput = userInput.toLowerCase();
-        // Append a "px" unit if the user input was just a number.
-        if (/^\d+$/.test(userInput))
-            userInput += "px";
-
-        var styleProperty = context.styleProperty;
-        var computedStyle = context.computedStyle;
-
-        if (computedStyle.get("box-sizing") === "border-box" && (styleProperty === "width" || styleProperty === "height")) {
-            if (!userInput.match(/px$/)) {
-                WebInspector.console.error("For elements with box-sizing: border-box, only absolute content area dimensions can be applied");
-                return;
-            }
-
-            var borderBox = this._getBox(computedStyle, "border");
-            var paddingBox = this._getBox(computedStyle, "padding");
-            var userValuePx = Number(userInput.replace(/px$/, ""));
-            if (isNaN(userValuePx))
-                return;
-            if (styleProperty === "width")
-                userValuePx += borderBox.left + borderBox.right + paddingBox.left + paddingBox.right;
-            else
-                userValuePx += borderBox.top + borderBox.bottom + paddingBox.top + paddingBox.bottom;
-
-            userInput = userValuePx + "px";
-        }
-
-        this.previousPropertyDataCandidate = null;
-
-        var allProperties = this.inlineStyle.allProperties;
-        for (var i = 0; i < allProperties.length; ++i) {
-            var property = allProperties[i];
-            if (property.name !== context.styleProperty || !property.activeInStyle())
-                continue;
-
-            this.previousPropertyDataCandidate = property;
-            property.setValue(userInput, commitEditor, true, callback.bind(this));
-            return;
-        }
-
-        this.inlineStyle.appendProperty(context.styleProperty, userInput, callback.bind(this));
-
-        /**
-         * @param {boolean} success
-         * @this {WebInspector.MetricsSidebarPane}
-         */
-        function callback(success)
-        {
-            if (!success)
-                return;
-            if (!("originalPropertyData" in this))
-                this.originalPropertyData = this.previousPropertyDataCandidate;
-
-            if (typeof this._highlightMode !== "undefined")
-                this.node().highlight(this._highlightMode);
-
-            if (commitEditor)
-                this.update();
-        }
-    },
-
-    _editingCommitted: function(element, userInput, previousContent, context)
-    {
-        this.editingEnded(element, context);
-        this._applyUserInput(element, userInput, previousContent, context, true);
-    },
-
-    __proto__: WebInspector.ElementsSidebarPane.prototype
-};