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 
  33 package com.oracle.javafx.scenebuilder.kit.editor.job.atomic;
  34 
  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.editor.selection.AbstractSelectionGroup;
  38 import com.oracle.javafx.scenebuilder.kit.editor.selection.ObjectSelectionGroup;
  39 import com.oracle.javafx.scenebuilder.kit.editor.selection.Selection;
  40 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMObject;
  41 import java.util.ArrayList;
  42 import java.util.Collection;
  43 import java.util.List;
  44 
  45 /**
  46  *
  47  */
  48 public class UpdateSelectionJob extends Job {
  49 
  50     private AbstractSelectionGroup oldSelectionGroup;
  51     private final AbstractSelectionGroup newSelectionGroup;
  52 
  53     public UpdateSelectionJob(AbstractSelectionGroup group, EditorController editorController) {
  54         super(editorController);
  55         newSelectionGroup = group;
  56     }
  57 
  58     public UpdateSelectionJob(FXOMObject newSelectedObject, EditorController editorController) {
  59         super(editorController);
  60 
  61         assert newSelectedObject != null;
  62         final List<FXOMObject> newSelectedObjects = new ArrayList<>();
  63         newSelectedObjects.add(newSelectedObject);
  64         newSelectionGroup = new ObjectSelectionGroup(newSelectedObjects, newSelectedObject, null);
  65     }
  66 
  67     public UpdateSelectionJob(Collection<FXOMObject> newSelectedObjects, EditorController editorController) {
  68         super(editorController);
  69 
  70         assert newSelectedObjects != null; // But possibly empty
  71         if (newSelectedObjects.isEmpty()) {
  72             newSelectionGroup = null;
  73         } else {
  74             newSelectionGroup = new ObjectSelectionGroup(newSelectedObjects, newSelectedObjects.iterator().next(), null);
  75         }
  76     }
  77 
  78     /*
  79      * Job
  80      */
  81 
  82     @Override
  83     public boolean isExecutable() {
  84         return true;
  85     }
  86 
  87     @Override
  88     public void execute() {
  89         final Selection selection = getEditorController().getSelection();
  90 
  91         // Saves the current selection
  92         try {
  93             if (selection.getGroup() == null) {
  94                 this.oldSelectionGroup = null;
  95             } else {
  96                 this.oldSelectionGroup = selection.getGroup().clone();
  97             }
  98         } catch(CloneNotSupportedException x) {
  99             throw new RuntimeException("Bug", x);
 100         }
 101 
 102         // Now same as redo()
 103         redo();
 104     }
 105 
 106     @Override
 107     public void undo() {
 108         final Selection selection = getEditorController().getSelection();
 109         selection.select(oldSelectionGroup);
 110         assert selection.isValid(getEditorController().getFxomDocument());
 111     }
 112 
 113     @Override
 114     public void redo() {
 115         final Selection selection = getEditorController().getSelection();
 116         selection.select(newSelectionGroup);
 117         assert selection.isValid(getEditorController().getFxomDocument());
 118     }
 119 
 120     @Override
 121     public String getDescription() {
 122         // Not expected to reach the user
 123         return getClass().getSimpleName();
 124     }
 125 
 126 }