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/*
* 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
}
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