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1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // MoveResourceFileDownAction |
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15 // |
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16 |
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17 |
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18 |
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19 package com.symbian.smt.gui.smtwidgets.resources; |
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20 |
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21 import java.util.HashMap; |
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22 |
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23 import org.eclipse.jface.viewers.CheckboxTableViewer; |
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24 import org.eclipse.jface.viewers.ISelectionProvider; |
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25 import org.eclipse.jface.viewers.IStructuredSelection; |
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26 import org.eclipse.jface.viewers.ListViewer; |
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27 import org.eclipse.jface.viewers.StructuredSelection; |
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28 import org.eclipse.swt.widgets.Button; |
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29 |
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30 import com.symbian.smt.gui.ResourcesEnums; |
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31 import com.symbian.smt.gui.smtwidgets.AbstractMultipleEntriesWidgetAction; |
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32 |
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33 /** |
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34 * This is the action that moves a command line option down by one position in |
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35 * the list of assigned options. |
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36 * |
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37 * @author barbararosi-schwartz |
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38 * |
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39 */ |
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40 class MoveResourceFileDownAction extends AbstractMultipleEntriesWidgetAction { |
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41 |
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42 private CheckboxTableViewer resourceFilesViewer; |
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43 private ListViewer resourceTypesViewer; |
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44 private HashMap<ResourcesEnums, java.util.List<CheckableResourceFilename>> resourceFilesMap; |
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45 |
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46 /** |
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47 * The option that has been moved by the user |
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48 */ |
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49 private CheckableResourceFilename movedCheckableFilename = null; |
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50 |
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51 MoveResourceFileDownAction( |
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52 Button button, |
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53 ISelectionProvider filesViewer, |
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54 HashMap<ResourcesEnums, java.util.List<CheckableResourceFilename>> resourceFilesMap, |
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55 ListViewer resourceTypesViewer) { |
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56 super(filesViewer, "Move Down", button); |
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57 |
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58 this.resourceFilesViewer = (CheckboxTableViewer) filesViewer; |
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59 this.resourceFilesMap = resourceFilesMap; |
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60 this.resourceTypesViewer = resourceTypesViewer; |
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61 |
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62 setEnabled(false); |
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63 } |
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64 |
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65 /** |
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66 * Returns the CheckableResourceFilename object that was moved by the user. |
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67 * |
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68 * @return the CheckableResourceFilename object that was moved by the user |
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69 */ |
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70 CheckableResourceFilename getMovedCheckableFilename() { |
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71 return movedCheckableFilename; |
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72 } |
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73 |
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74 /** |
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75 * Moves the selected CheckableResourceFilename object down by one position |
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76 * in the model. |
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77 */ |
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78 @Override |
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79 public void run() { |
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80 movedCheckableFilename = (CheckableResourceFilename) ((StructuredSelection) getSelection()) |
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81 .getFirstElement(); |
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82 |
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83 // Rearrange the order of the files in <code>resourceFilesMap</code> |
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84 java.util.List<CheckableResourceFilename> checkableFilenames = ResourcesWidgetHelper |
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85 .getCheckableResourceFilenames(ResourcesWidgetHelper |
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86 .getSelectedResourceType(resourceTypesViewer), |
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87 resourceFilesMap); |
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88 int oldIndex = checkableFilenames.indexOf(movedCheckableFilename); |
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89 checkableFilenames.remove(oldIndex); |
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90 int newIndex = oldIndex + 1; |
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91 checkableFilenames.add(newIndex, movedCheckableFilename); |
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92 } |
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93 |
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94 /** |
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95 * Enabled if the list has exactly one selection and if the selection is not |
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96 * the last element in the list. |
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97 */ |
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98 @Override |
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99 public void selectionChanged(IStructuredSelection selection) { |
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100 if (selection.size() != 1) { |
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101 setEnabled(false); |
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102 return; |
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103 } |
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104 |
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105 boolean enabled = true; |
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106 CheckableResourceFilename selectedElement = (CheckableResourceFilename) selection |
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107 .getFirstElement(); |
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108 CheckableResourceFilename lastElement = (CheckableResourceFilename) resourceFilesViewer |
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109 .getElementAt(resourceFilesViewer.getTable().getItemCount() - 1); |
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110 |
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111 if (lastElement != null && selectedElement.equals(lastElement)) { |
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112 enabled = false; |
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113 } |
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114 |
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115 setEnabled(enabled); |
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116 } |
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117 |
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118 } |