| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| package flashx.textLayout.operations |
| { |
| import flashx.textLayout.debug.assert; |
| import flashx.textLayout.edit.SelectionState; |
| import flashx.textLayout.elements.ContainerFormattedElement; |
| import flashx.textLayout.elements.FlowElement; |
| import flashx.textLayout.elements.FlowGroupElement; |
| import flashx.textLayout.elements.ParagraphFormattedElement; |
| import flashx.textLayout.elements.TextFlow; |
| import flashx.textLayout.formats.ITextLayoutFormat; |
| import flashx.textLayout.formats.TextLayoutFormat; |
| import flashx.textLayout.tlf_internal; |
| |
| use namespace tlf_internal; |
| |
| /** |
| * The ChangeElementIDOperation class encapsulates an element ID change. |
| * |
| * @see flashx.textLayout.elements.FlowElement |
| * @see flashx.textLayout.edit.EditManager |
| * @see flashx.textLayout.events.FlowOperationEvent |
| * |
| * @playerversion Flash 10 |
| * @playerversion AIR 1.5 |
| * @langversion 3.0 |
| */ |
| public class ApplyElementIDOperation extends FlowElementOperation |
| { |
| private var _origID:String; |
| private var _newID:String; |
| |
| /** |
| * Creates a ChangeElementIDOperation object. |
| * |
| * <p>If the <code>relativeStart</code> or <code>relativeEnd</code> parameters are set, then the existing |
| * element is split into two elements, one using the existing ID and the other |
| * using the new ID. If both parameters are set, then the existing element is split into three elements. |
| * The first and last elements of the set are both assigned the original ID.</p> |
| * |
| * @param operationState Specifies the selection state before the operation |
| * @param targetElement Specifies the element to change |
| * @param newID The ID to assign |
| * @param relativeStart An offset from the beginning of the target element. |
| * @param relativeEnd An offset from the end of the target element. |
| * |
| * @playerversion Flash 10 |
| * @playerversion AIR 1.5 |
| * @langversion 3.0 |
| */ |
| public function ApplyElementIDOperation(operationState:SelectionState, targetElement:FlowElement, newID:String, relativeStart:int = 0, relativeEnd:int = -1) |
| { |
| _newID = newID; |
| super(operationState,targetElement,relativeStart,relativeEnd); |
| } |
| |
| /** |
| * The ID assigned by this operation. |
| * |
| * @playerversion Flash 10 |
| * @playerversion AIR 1.5 |
| * @langversion 3.0 |
| */ |
| public function get newID():String |
| { return _newID; } |
| public function set newID(val:String):void |
| { _newID = val; } |
| |
| /** @private */ |
| public override function doOperation():Boolean |
| { |
| var targetElement:FlowElement = getTargetElement(); |
| _origID = targetElement.id; |
| |
| adjustForDoOperation(targetElement); |
| |
| targetElement.id = _newID; |
| return true; |
| } |
| |
| /** @private */ |
| public override function undo():SelectionState |
| { |
| var targetElement:FlowElement = getTargetElement(); |
| targetElement.id = _origID; |
| |
| adjustForUndoOperation(targetElement); |
| |
| return originalSelectionState; |
| } |
| } |
| } |