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67 lines
1.8 KiB
Plaintext
67 lines
1.8 KiB
Plaintext
11 months ago
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"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 a figure was moved
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* @this {GroupTranslateCommand}
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* @constructor
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* @author Alex Gheorghiu <alex@scriptoid.com>
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* @param {Integer} groupId - the id of the figure translated
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* @param {Array} matrix - the transformation matrix of translation
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*/
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function GroupTranslateCommand(groupId, matrix){
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this.oType = 'GroupTranslateCommand';
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/**Any sequence of many mergeable actions can be packed by the history*/
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this.mergeable = true;
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this.groupId = groupId;
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//compute the translation matrix
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this.matrix = matrix;
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//compute the reverse matrix
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this.reverseMatrix = [
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[1, 0, 0],
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[0, 1, 0],
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[0, 0, 1]
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];
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this.reverseMatrix[0][2] = -this.matrix[0][2];
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this.reverseMatrix[1][2] = -this.matrix[1][2];
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}
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GroupTranslateCommand.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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var group = STACK.groupGetById(this.groupId);
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group.transform(this.matrix);
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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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var group = STACK.groupGetById(this.groupId);
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group.transform(this.reverseMatrix);
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}
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}
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