1 /* 2 * Copyright (c) 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.EditorController; 35 import com.oracle.javafx.scenebuilder.kit.editor.job.Job; 36 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMDocument; 37 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMObject; 38 39 /** 40 */ 41 public class SetFxomRootJob extends Job { 42 43 private final FXOMObject newRoot; 44 private FXOMObject oldRoot; 45 46 public SetFxomRootJob(FXOMObject newRoot, EditorController editorController) { 47 super(editorController); 48 49 assert editorController.getFxomDocument() != null; 50 assert (newRoot == null) || (newRoot.getFxomDocument() == editorController.getFxomDocument()); 51 52 this.newRoot = newRoot; 53 } 54 55 /* 56 * Job 57 */ 58 @Override 59 public boolean isExecutable() { 60 return newRoot != getEditorController().getFxomDocument().getFxomRoot(); 61 } 62 63 @Override 64 public void execute() { 65 assert oldRoot == null; 66 67 // Saves the current root 68 final FXOMDocument fxomDocument = getEditorController().getFxomDocument(); 69 oldRoot = fxomDocument.getFxomRoot(); 70 71 fxomDocument.beginUpdate(); 72 fxomDocument.setFxomRoot(newRoot); 73 fxomDocument.endUpdate(); 74 } 75 76 @Override 77 public void undo() { 78 final FXOMDocument fxomDocument = getEditorController().getFxomDocument(); 79 assert fxomDocument.getFxomRoot() == newRoot; 80 81 fxomDocument.beginUpdate(); 82 fxomDocument.setFxomRoot(oldRoot); 83 fxomDocument.endUpdate(); 84 85 assert fxomDocument.getFxomRoot() == oldRoot; 86 } 87 88 @Override 89 public void redo() { 90 final FXOMDocument fxomDocument = getEditorController().getFxomDocument(); 91 assert fxomDocument.getFxomRoot() == oldRoot; 92 93 fxomDocument.beginUpdate(); 94 fxomDocument.setFxomRoot(newRoot); 95 fxomDocument.endUpdate(); 96 97 assert fxomDocument.getFxomRoot() == newRoot; 98 } 99 100 @Override 101 public String getDescription() { 102 // Not expected to reach the user 103 return getClass().getSimpleName(); 104 } 105 }