| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // 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.edit.SelectionState; |
| import flashx.textLayout.elements.FlowElement; |
| import flashx.textLayout.elements.FlowGroupElement; |
| import flashx.textLayout.elements.InlineGraphicElement; |
| import flashx.textLayout.tlf_internal; |
| |
| use namespace tlf_internal; |
| |
| |
| /** |
| * The InsertInlineGraphicOperation class encapsulates the modification of an existing inline graphic. |
| * |
| * @see flashx.textLayout.elements.InlineGraphicElement |
| * @see flashx.textLayout.edit.EditManager |
| * @see flashx.textLayout.events.FlowOperationEvent |
| * |
| * @playerversion Flash 10 |
| * @playerversion AIR 1.5 |
| * @langversion 3.0 |
| */ |
| public class ModifyInlineGraphicOperation extends FlowTextOperation |
| { |
| private var _source:Object; |
| private var imageWidth:Object; |
| private var imageHeight:Object; |
| private var _options:Object; |
| private var oldImage:FlowElement; |
| private var selPos:int = 0; |
| |
| /** |
| * Creates a ModifyInlineGraphicsOperation object. |
| * |
| * @param operationState Describes the insertion point. |
| * If a range is selected, the operation deletes the contents of that range. |
| * @param source The graphic source (uri string, URLRequest, DisplayObject, or Class of an embedded asset). |
| * @param width The width to assign (number of pixels, percent, or the string 'auto') |
| * @param height The height to assign (number of pixels, percent, or the string 'auto') |
| * @param options None supported |
| * |
| * @playerversion Flash 10 |
| * @playerversion AIR 1.5 |
| * @langversion 3.0 |
| */ |
| function ModifyInlineGraphicOperation(operationState:SelectionState, source:Object, width:Object, height:Object, options:Object = null) |
| { |
| super(operationState); |
| |
| _source = source; |
| _options = options; |
| imageWidth = width; |
| imageHeight = height; |
| } |
| |
| /** |
| * @copy flashx.textLayout.elements.InlineGraphicElement#source |
| * |
| * @playerversion Flash 10 |
| * @playerversion AIR 1.5 |
| * @langversion 3.0 |
| */ |
| public function get source():Object |
| { |
| return _source; |
| } |
| public function set source(value:Object):void |
| { |
| _source = value; |
| } |
| |
| /** |
| * @copy flashx.textLayout.elements.InlineGraphicElement#width |
| * |
| * @playerversion Flash 10 |
| * @playerversion AIR 1.5 |
| * @langversion 3.0 |
| */ |
| public function get width():Object |
| { |
| return imageWidth; |
| } |
| public function set width(value:Object):void |
| { |
| imageWidth = value; |
| } |
| |
| /** |
| * @copy flashx.textLayout.elements.InlineGraphicElement#height |
| * |
| * @playerversion Flash 10 |
| * @playerversion AIR 1.5 |
| * @langversion 3.0 |
| */ |
| public function get height():Object |
| { |
| return imageHeight; |
| } |
| public function set height(value:Object):void |
| { |
| imageHeight = value; |
| } |
| |
| /** |
| * options are not supported |
| * |
| * @playerversion Flash 10 |
| * @playerversion AIR 1.5 |
| * @langversion 3.0 |
| */ |
| public function get options():Object |
| { |
| return _options; |
| } |
| public function set options(value:Object):void |
| { |
| _options = value; |
| } |
| |
| /** @private */ |
| public override function doOperation():Boolean |
| { |
| selPos = absoluteStart; |
| var img:InlineGraphicElement = textFlow.findLeaf(selPos) as InlineGraphicElement; |
| if (img) |
| { |
| oldImage = img.shallowCopy(0,1); |
| // only update changed things |
| if (img.width != imageWidth) |
| img.width = imageWidth; |
| if (img.height != imageHeight) |
| img.height = imageHeight; |
| if (img.source != _source) |
| img.source = _source; |
| if (options && img.float != options.toString()) |
| img.float = options.toString(); |
| } |
| |
| return true; |
| } |
| |
| /** @private */ |
| public override function undo():SelectionState |
| { |
| var leafNode:FlowElement = textFlow.findLeaf(selPos); |
| var leafNodeParent:FlowGroupElement = leafNode.parent; |
| var elementIdx:int = leafNode.parent.getChildIndex(leafNode); |
| leafNodeParent.replaceChildren(elementIdx, elementIdx + 1, oldImage); |
| |
| return originalSelectionState; |
| } |
| } |
| } |