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98 lines
2.7 KiB
Plaintext
98 lines
2.7 KiB
Plaintext
"use strict";
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/*
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Copyright [2014] [Diagramo]
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/*
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* This is triggered when you delete a Group.
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* When you do that it will trigger many FigureDeleteCommands so
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* this Command is a composite command.
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* @this {GroupDeleteCommand}
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* @constructor
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* @author Alex Gheorghiu <alex@scriptoid.com>
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*/
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function GroupDeleteCommand(groupId){
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this.oType = 'GroupDeleteCommand';
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/**Any sequence of many mergeable actions can be packed by the history*/
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this.mergeable = false;
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this.groupId = groupId;
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//undo data
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this.deletedGroup = null;
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this.deletedFiguresCommands = [];
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this.firstExecute = true;
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}
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GroupDeleteCommand.prototype = {
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/**This method got called every time the Command must execute*/
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execute : function(){
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if(this.firstExecute){
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this.deletedGroup = STACK.groupGetById(this.groupId);
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var figuresIds = STACK.figureGetIdsByGroupId(this.groupId);
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for(var i=0; i<figuresIds.length; i++){
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var tmpDelFig = new FigureDeleteCommand(figuresIds[i]);
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tmpDelFig.execute();
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this.deletedFiguresCommands.push(tmpDelFig);
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}
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//delete it
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STACK.groupDestroy(this.groupId);
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//interface settings
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selectedGroupId = -1;
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state = STATE_NONE;
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setUpEditPanel(canvasProps);
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this.firstExecute = false;
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}
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else{ //a redo
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throw "Not implemented";
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}
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},
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/**This method should be called every time the Command should be undone*/
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undo : function(){
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if(this.deletedGroup){
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//add back figures
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for(var i=0; i< this.deletedFiguresCommands.length; i++){
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this.deletedFiguresCommands[i].undo();
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}
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//add back group
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STACK.groups.push(this.deletedGroup);
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selectedGroupId = this.groupId;
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state = STATE_GROUP_SELECTED;
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}
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else{
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throw "No soted deleted figure";
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}
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}
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}
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