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;
  33 
  34 import com.oracle.javafx.scenebuilder.kit.editor.EditorController;
  35 import com.oracle.javafx.scenebuilder.kit.editor.i18n.I18N;
  36 import com.oracle.javafx.scenebuilder.kit.editor.selection.AbstractSelectionGroup;
  37 import com.oracle.javafx.scenebuilder.kit.editor.selection.ObjectSelectionGroup;
  38 import com.oracle.javafx.scenebuilder.kit.editor.selection.Selection;
  39 import com.oracle.javafx.scenebuilder.kit.fxom.FXOMObject;
  40 import java.util.ArrayList;
  41 import java.util.List;
  42 
  43 /**
  44  * Delete job for ObjectSelectionGroup.
  45  */
  46 public class DeleteObjectSelectionJob extends BatchSelectionJob {
  47 
  48     public DeleteObjectSelectionJob(EditorController editorController) {
  49         super(editorController);
  50     }
  51 
  52     @Override
  53     protected List<Job> makeSubJobs() {
  54         final Selection selection = getEditorController().getSelection();
  55         assert selection.getGroup() instanceof ObjectSelectionGroup;
  56         final ObjectSelectionGroup osg = (ObjectSelectionGroup) selection.getGroup();
  57         final List<Job> result = new ArrayList<>();
  58 
  59         // Next we make one DeleteObjectJob for each selected objects
  60         int cannotDeleteCount = 0;
  61         for (FXOMObject candidate : osg.getFlattenItems()) {
  62             final DeleteObjectJob subJob
  63                     = new DeleteObjectJob(candidate, getEditorController());
  64             if (subJob.isExecutable()) {
  65                 result.add(subJob);
  66             } else {
  67                 cannotDeleteCount++;
  68             }
  69         }
  70 
  71         // If some objects cannot be deleted, then we clear all to
  72         // make this job not executable.
  73         if (cannotDeleteCount >= 1) {
  74             result.clear();
  75         }
  76 
  77         return result;
  78     }
  79 
  80     @Override
  81     protected String makeDescription() {
  82         final String result;
  83         final int subJobCount = getSubJobs().size();
  84 
  85         switch (subJobCount) {
  86             case 0:
  87                 result = "Unexecutable Delete"; // NO18N
  88                 break;
  89             case 1: // one delete
  90                 result = getSubJobs().get(0).getDescription();
  91                 break;
  92             default:
  93                 result = I18N.getString("label.action.edit.delete.n", subJobCount);
  94                 break;
  95         }
  96 
  97         return result;
  98     }
  99 
 100     @Override
 101     protected AbstractSelectionGroup getNewSelectionGroup() {
 102         // Selection emptied
 103         return null;
 104     }
 105 }