| /* |
| * Copyright (C) 2013 Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER OR 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.UISourceCodeFrame} |
| * @param {!WebInspector.UISourceCode} uiSourceCode |
| */ |
| WebInspector.CSSSourceFrame = function(uiSourceCode) |
| { |
| WebInspector.UISourceCodeFrame.call(this, uiSourceCode); |
| this._registerShortcuts(); |
| } |
| |
| WebInspector.CSSSourceFrame.prototype = { |
| _registerShortcuts: function() |
| { |
| var shortcutKeys = WebInspector.SourcesPanelDescriptor.ShortcutKeys; |
| for (var i = 0; i < shortcutKeys.IncreaseCSSUnitByOne.length; ++i) |
| this.addShortcut(shortcutKeys.IncreaseCSSUnitByOne[i].key, this._handleUnitModification.bind(this, 1)); |
| for (var i = 0; i < shortcutKeys.DecreaseCSSUnitByOne.length; ++i) |
| this.addShortcut(shortcutKeys.DecreaseCSSUnitByOne[i].key, this._handleUnitModification.bind(this, -1)); |
| for (var i = 0; i < shortcutKeys.IncreaseCSSUnitByTen.length; ++i) |
| this.addShortcut(shortcutKeys.IncreaseCSSUnitByTen[i].key, this._handleUnitModification.bind(this, 10)); |
| for (var i = 0; i < shortcutKeys.DecreaseCSSUnitByTen.length; ++i) |
| this.addShortcut(shortcutKeys.DecreaseCSSUnitByTen[i].key, this._handleUnitModification.bind(this, -10)); |
| }, |
| |
| /** |
| * @param {string} unit |
| * @param {number} change |
| * @return {?string} |
| */ |
| _modifyUnit: function(unit, change) |
| { |
| var unitValue = parseInt(unit, 10); |
| if (isNaN(unitValue)) |
| return null; |
| var tail = unit.substring((unitValue).toString().length); |
| return String.sprintf("%d%s", unitValue + change, tail); |
| }, |
| |
| /** |
| * @param {number} change |
| * @return {boolean} |
| */ |
| _handleUnitModification: function(change) |
| { |
| var selection = this.textEditor.selection().normalize(); |
| var token = this.textEditor.tokenAtTextPosition(selection.startLine, selection.startColumn); |
| if (!token) { |
| if (selection.startColumn > 0) |
| token = this.textEditor.tokenAtTextPosition(selection.startLine, selection.startColumn - 1); |
| if (!token) |
| return false; |
| } |
| if (token.type !== "css-number") |
| return false; |
| |
| var cssUnitRange = new WebInspector.TextRange(selection.startLine, token.startColumn, selection.startLine, token.endColumn + 1); |
| var cssUnitText = this.textEditor.copyRange(cssUnitRange); |
| var newUnitText = this._modifyUnit(cssUnitText, change); |
| if (!newUnitText) |
| return false; |
| this.textEditor.editRange(cssUnitRange, newUnitText); |
| selection.startColumn = token.startColumn; |
| selection.endColumn = selection.startColumn + newUnitText.length; |
| this.textEditor.setSelection(selection); |
| return true; |
| }, |
| |
| __proto__: WebInspector.UISourceCodeFrame.prototype |
| } |