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Diffstat (limited to 'chromium/third_party/WebKit/Source/devtools/front_end/sources/CSSSourceFrame.js')
| -rw-r--r-- | chromium/third_party/WebKit/Source/devtools/front_end/sources/CSSSourceFrame.js | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/devtools/front_end/sources/CSSSourceFrame.js b/chromium/third_party/WebKit/Source/devtools/front_end/sources/CSSSourceFrame.js new file mode 100644 index 00000000000..3feba90437b --- /dev/null +++ b/chromium/third_party/WebKit/Source/devtools/front_end/sources/CSSSourceFrame.js @@ -0,0 +1,100 @@ +/* + * 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.ShortcutsScreen.SourcesPanelShortcuts; + 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 +}
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