1 /* 2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. 3 * All rights reserved. Use is subject to license terms. 4 * 5 * This file is available and licensed under the following license: 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * - Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * - Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the distribution. 16 * - Neither the name of Oracle Corporation nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 package com.oracle.javafx.scenebuilder.kit.editor.job.atomic; 33 34 import com.oracle.javafx.scenebuilder.kit.editor.job.atomic.RemovePropertyJob; 35 import com.oracle.javafx.scenebuilder.kit.editor.EditorController; 36 import com.oracle.javafx.scenebuilder.kit.editor.job.Job; 37 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMObject; 38 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMPropertyC; 39 40 /** 41 * 42 */ 43 public class RemovePropertyValueJob extends Job { 44 45 private final FXOMObject targetValue; 46 47 private FXOMPropertyC parentProperty; 48 private int indexInParentProperty; 49 private RemovePropertyJob removePropertyJob; 50 51 public RemovePropertyValueJob(FXOMObject value, EditorController editorController) { 52 super(editorController); 53 this.targetValue = value; 54 } 55 56 57 /* 58 * Job 59 */ 60 61 @Override 62 public boolean isExecutable() { 63 return targetValue.getParentProperty() != null; 64 } 65 66 @Override 67 public void execute() { 68 assert parentProperty == null; 69 assert isExecutable(); 70 71 parentProperty = targetValue.getParentProperty(); 72 indexInParentProperty = targetValue.getIndexInParentProperty(); 73 if ((parentProperty.getValues().size() == 1) && (parentProperty.getParentInstance() != null)) { 74 // targetValue is the last value of its parent property 75 // => parent property must also be removed from its parent instance 76 removePropertyJob = new RemovePropertyJob(parentProperty, getEditorController()); 77 } 78 79 // Note : below we may have to run removePropertyJob.execute() so 80 // we cannot re-use redo() here. 81 getEditorController().getFxomDocument().beginUpdate(); 82 if (removePropertyJob != null) { 83 removePropertyJob.execute(); 84 } 85 targetValue.removeFromParentProperty(); 86 getEditorController().getFxomDocument().endUpdate(); 87 } 88 89 @Override 90 public void undo() { 91 assert targetValue.getParentProperty() == null; 92 93 getEditorController().getFxomDocument().beginUpdate(); 94 targetValue.addToParentProperty(indexInParentProperty, parentProperty); 95 if (removePropertyJob != null) { 96 removePropertyJob.undo(); 97 } 98 getEditorController().getFxomDocument().endUpdate(); 99 100 assert targetValue.getParentProperty() == parentProperty; 101 assert targetValue.getIndexInParentProperty() == indexInParentProperty; 102 } 103 104 @Override 105 public void redo() { 106 assert targetValue.getParentProperty() == parentProperty; 107 assert targetValue.getIndexInParentProperty() == indexInParentProperty; 108 109 getEditorController().getFxomDocument().beginUpdate(); 110 if (removePropertyJob != null) { 111 removePropertyJob.redo(); 112 } 113 targetValue.removeFromParentProperty(); 114 getEditorController().getFxomDocument().endUpdate(); 115 116 assert targetValue.getParentProperty() == null; 117 } 118 119 @Override 120 public String getDescription() { 121 // Should normally not reach the user 122 return getClass().getSimpleName() 123 + "[" 124 + targetValue.getGlueElement().getTagName() 125 + "]"; 126 } 127 128 }