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annotate dbus-d-javatests/jsrc/filetree/FileTreeLabelProvider.java @ 12:198c379caaa7 default tip

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remove explicit tango import path
author Frank Benoit <benoit@tionex.de>
date Sun, 18 Nov 2007 18:16:28 +0100
parents 65fb7ef02c50
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 package filetree;
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2
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3 import java.io.FileInputStream;
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4 import java.io.FileNotFoundException;
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5 import java.util.ArrayList;
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6 import java.util.List;
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7
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8 import org.eclipse.jface.viewers.ILabelProvider;
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9 import org.eclipse.jface.viewers.ILabelProviderListener;
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10 import org.eclipse.jface.viewers.LabelProviderChangedEvent;
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11 import org.eclipse.swt.graphics.Image;
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12
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13 /**
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14 * This class provides the labels for the file tree
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15 */
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16
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17 class FileTreeLabelProvider implements ILabelProvider {
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18 // The listeners
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19 private List<ILabelProviderListener> listeners;
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20
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21 // Images for tree nodes
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22 private Image file;
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23
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24 private Image dir;
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25
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26 // Label provider state: preserve case of file names/directories
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27 boolean preserveCase;
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28
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29 /**
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30 * Constructs a FileTreeLabelProvider
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31 */
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32 public FileTreeLabelProvider() {
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33 // Create the list to hold the listeners
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34 listeners = new ArrayList<ILabelProviderListener>();
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35
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36 // Create the images
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37 try {
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38 file = new Image(null, new FileInputStream("icons/file_obj.gif"));
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39 dir = new Image(null, new FileInputStream("icons/fldr_obj.gif"));
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40 } catch (FileNotFoundException e) {
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41 // Swallow it; we'll do without images
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42 }
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43 }
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44
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45 /**
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46 * Sets the preserve case attribute
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47 *
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48 * @param preserveCase
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49 * the preserve case attribute
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50 */
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51 public void setPreserveCase(boolean preserveCase) {
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52 this.preserveCase = preserveCase;
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53
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54 // Since this attribute affects how the labels are computed,
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55 // notify all the listeners of the change.
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56 LabelProviderChangedEvent event = new LabelProviderChangedEvent(this);
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57 for (int i = 0, n = listeners.size(); i < n; i++) {
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58 ILabelProviderListener ilpl = (ILabelProviderListener) listeners
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59 .get(i);
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60 ilpl.labelProviderChanged(event);
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61 }
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62 }
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63
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64 /**
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65 * Gets the image to display for a node in the tree
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66 *
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67 * @param arg0
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68 * the node
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69 * @return Image
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70 */
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71 public Image getImage(Object arg0) {
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72 // If the node represents a directory, return the directory image.
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73 // Otherwise, return the file image.
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74 // Program.findProgram(".txt" ).getImageData();
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75 return ((DataItem) arg0).isFolder() ? dir : file;
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76 }
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77
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78 /**
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79 * Gets the text to display for a node in the tree
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80 *
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81 * @param arg0
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82 * the node
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83 * @return String
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84 */
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85 public String getText(Object arg0) {
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86 // Get the name of the file
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87 String text = ((DataItem) arg0).getName();
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88
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89 // If name is blank, get the path
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90 if (text.length() == 0) {
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91 //text = ((DataItem) arg0).getPath();
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92 }
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93 System.out.println( "Text: "+text );
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94 // Check the case settings before returning the text
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95 return preserveCase ? text : text.toUpperCase();
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96 }
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97
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98 /**
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99 * Adds a listener to this label provider
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100 *
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101 * @param arg0
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102 * the listener
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103 */
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104 public void addListener(ILabelProviderListener arg0) {
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105 listeners.add(arg0);
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106 }
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107
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108 /**
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109 * Called when this LabelProvider is being disposed
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110 */
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111 public void dispose() {
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112 // Dispose the images
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113 if (dir != null)
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114 dir.dispose();
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115 if (file != null)
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116 file.dispose();
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117 }
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118
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119 /**
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120 * Returns whether changes to the specified property on the specified
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121 * element would affect the label for the element
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122 *
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123 * @param arg0
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124 * the element
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125 * @param arg1
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126 * the property
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127 * @return boolean
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128 */
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129 public boolean isLabelProperty(Object arg0, String arg1) {
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130 return false;
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131 }
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132
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133 /**
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134 * Removes the listener
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135 *
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136 * @param arg0
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137 * the listener to remove
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138 */
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139 public void removeListener(ILabelProviderListener arg0) {
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140 listeners.remove(arg0);
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141 }
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142 }
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143