1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.preferences.shortcut;
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3 |
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4 | import java.awt.Dimension;
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5 | import java.awt.GridBagConstraints;
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6 | import java.awt.GridBagLayout;
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7 | import java.awt.Insets;
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8 | import java.awt.Toolkit;
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9 |
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10 | import static org.openstreetmap.josm.tools.I18n.tr;
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11 |
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12 | import java.awt.event.KeyEvent;
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13 | import java.lang.reflect.Field;
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14 | import java.util.ArrayList;
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15 | import java.util.LinkedHashMap;
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16 | import java.util.HashMap;
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17 | import java.util.Map;
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18 |
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19 | import java.util.regex.PatternSyntaxException;
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20 | import javax.swing.AbstractAction;
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21 | import javax.swing.BorderFactory;
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22 | import javax.swing.BoxLayout;
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23 | import javax.swing.DefaultComboBoxModel;
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24 | import javax.swing.JCheckBox;
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25 | import javax.swing.JComboBox;
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26 | import javax.swing.JEditorPane;
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27 | import javax.swing.JLabel;
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28 | import javax.swing.JPanel;
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29 | import javax.swing.JScrollPane;
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30 | import javax.swing.JTable;
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31 | import javax.swing.JTextField;
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32 | import javax.swing.KeyStroke;
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33 | import javax.swing.ListSelectionModel;
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34 | import javax.swing.RowFilter;
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35 | import javax.swing.SwingConstants;
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36 | import javax.swing.event.DocumentEvent;
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37 | import javax.swing.event.DocumentListener;
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38 | import javax.swing.event.ListSelectionEvent;
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39 | import javax.swing.event.ListSelectionListener;
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40 | import javax.swing.table.AbstractTableModel;
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41 | import javax.swing.table.TableModel;
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42 |
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43 | import javax.swing.table.TableRowSorter;
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44 | import org.openstreetmap.josm.Main;
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45 | import org.openstreetmap.josm.gui.widgets.SelectAllOnFocusGainedDecorator;
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46 | import org.openstreetmap.josm.tools.Shortcut;
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47 |
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48 | /**
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49 | * This is the keyboard preferences content.
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50 | * If someone wants to merge it with ShortcutPreference.java, feel free.
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51 | */
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52 | public class PrefJPanel extends JPanel {
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53 |
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54 | // table of shortcuts
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55 | private AbstractTableModel model;
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56 | // comboboxes of modifier groups, mapping selectedIndex to real data
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57 | private static int[] modifInts = new int[]{
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58 | -1,
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59 | 0,
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60 | KeyEvent.SHIFT_DOWN_MASK,
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61 | KeyEvent.CTRL_DOWN_MASK,
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62 | KeyEvent.ALT_DOWN_MASK,
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63 | KeyEvent.META_DOWN_MASK,
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64 | KeyEvent.CTRL_DOWN_MASK | KeyEvent.SHIFT_DOWN_MASK,
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65 | KeyEvent.ALT_DOWN_MASK | KeyEvent.SHIFT_DOWN_MASK,
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66 | KeyEvent.META_DOWN_MASK | KeyEvent.SHIFT_DOWN_MASK,
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67 | KeyEvent.CTRL_DOWN_MASK | KeyEvent.ALT_DOWN_MASK,
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68 | KeyEvent.CTRL_DOWN_MASK | KeyEvent.META_DOWN_MASK,
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69 | KeyEvent.ALT_DOWN_MASK | KeyEvent.META_DOWN_MASK,
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70 | KeyEvent.CTRL_DOWN_MASK | KeyEvent.SHIFT_DOWN_MASK | KeyEvent.ALT_DOWN_MASK,
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71 | KeyEvent.META_DOWN_MASK | KeyEvent.SHIFT_DOWN_MASK | KeyEvent.ALT_DOWN_MASK
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72 | };
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73 | // and here are the texts fro the comboboxes
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74 | private static String[] modifList = new String[] {
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75 | tr("disabled"),
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76 | tr("no modifier"),
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77 | KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, modifInts[2]).getModifiers()),
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78 | KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, modifInts[3]).getModifiers()),
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79 | KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, modifInts[4]).getModifiers()),
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80 | KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, modifInts[5]).getModifiers()),
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81 | KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, modifInts[6]).getModifiers()),
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82 | KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, modifInts[7]).getModifiers()),
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83 | KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, modifInts[8]).getModifiers()),
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84 | KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, modifInts[9]).getModifiers()),
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85 | KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, modifInts[10]).getModifiers()),
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86 | KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, modifInts[11]).getModifiers()),
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87 | KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, modifInts[12]).getModifiers()),
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88 | KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, modifInts[13]).getModifiers())
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89 | };
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90 | // this are the display(!) texts for the checkboxes. Let the JVM do the i18n for us <g>.
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91 | // Ok, there's a real reason for this: The JVM should know best how the keys are labelled
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92 | // on the physical keyboard. What language pack is installed in JOSM is completely
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93 | // independent from the keyboard's labelling. But the operation system's locale
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94 | // usually matches the keyboard. This even works with my English Windows and my German
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95 | // keyboard.
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96 | private static String SHIFT = KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, KeyEvent.SHIFT_DOWN_MASK).getModifiers());
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97 | private static String CTRL = KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, KeyEvent.CTRL_DOWN_MASK).getModifiers());
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98 | private static String ALT = KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, KeyEvent.ALT_DOWN_MASK).getModifiers());
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99 | private static String META = KeyEvent.getKeyModifiersText(KeyStroke.getKeyStroke(KeyEvent.VK_A, KeyEvent.META_DOWN_MASK).getModifiers());
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100 |
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101 | // A list of keys to present the user. Sadly this really is a list of keys Java knows about,
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102 | // not a list of real physical keys. If someone knows how to get that list?
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103 | private static Map<Integer, String> keyList = setKeyList();
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104 |
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105 | private static Map<Integer, String> setKeyList() {
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106 | Map<Integer, String> list = new LinkedHashMap<Integer, String>();
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107 | String unknown = Toolkit.getProperty("AWT.unknown", "Unknown");
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108 | // Assume all known keys are declared in KeyEvent as "public static int VK_*"
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109 | for (Field field : KeyEvent.class.getFields()) {
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110 | if (field.getName().startsWith("VK_")) {
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111 | try {
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112 | int i = field.getInt(null);
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113 | String s = KeyEvent.getKeyText(i);
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114 | if (s != null && s.length() > 0 && !s.contains(unknown)) {
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115 | list.put(Integer.valueOf(i), s);
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116 | //System.out.println(i+": "+s);
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117 | }
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118 | } catch (Exception e) {
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119 | e.printStackTrace();
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120 | }
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121 | }
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122 | }
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123 | list.put(Integer.valueOf(-1), "");
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124 | return list;
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125 | }
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126 |
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127 | private JCheckBox cbAlt = new JCheckBox();
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128 | private JCheckBox cbCtrl = new JCheckBox();
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129 | private JCheckBox cbMeta = new JCheckBox();
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130 | private JCheckBox cbShift = new JCheckBox();
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131 | private JCheckBox cbDefault = new JCheckBox();
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132 | private JCheckBox cbDisable = new JCheckBox();
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133 | private JComboBox tfKey = new JComboBox();
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134 |
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135 | JTable shortcutTable = new JTable();
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136 |
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137 | private JTextField filterField = new JTextField();
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138 |
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139 | /** Creates new form prefJPanel */
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140 | // Ain't those auto-generated comments helpful or what? <g>
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141 | public PrefJPanel(AbstractTableModel model) {
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142 | this.model = model;
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143 | initComponents();
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144 | }
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145 |
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146 | private void initComponents() {
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147 | JPanel listPane = new JPanel();
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148 | JScrollPane listScrollPane = new JScrollPane();
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149 | JPanel shortcutEditPane = new JPanel();
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150 |
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151 | CbAction action = new CbAction(this);
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152 | setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
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153 | add(buildFilterPanel());
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154 | listPane.setLayout(new java.awt.GridLayout());
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155 |
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156 | // This is the list of shortcuts:
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157 | shortcutTable.setModel(model);
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158 | shortcutTable.getSelectionModel().addListSelectionListener(new CbAction(this));
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159 | shortcutTable.setFillsViewportHeight(true);
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160 | shortcutTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
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161 | shortcutTable.setAutoCreateRowSorter(true);
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162 | listScrollPane.setViewportView(shortcutTable);
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163 |
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164 | listPane.add(listScrollPane);
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165 |
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166 | add(listPane);
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167 |
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168 | // and here follows the edit area. I won't object to someone re-designing it, it looks, um, "minimalistic" ;)
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169 | shortcutEditPane.setLayout(new java.awt.GridLayout(5, 2));
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170 |
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171 | cbDefault.setAction(action);
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172 | cbDefault.setText(tr("Use default"));
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173 | cbShift.setAction(action);
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174 | cbShift.setText(SHIFT); // see above for why no tr()
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175 | cbDisable.setAction(action);
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176 | cbDisable.setText(tr("Disable"));
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177 | cbCtrl.setAction(action);
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178 | cbCtrl.setText(CTRL); // see above for why no tr()
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179 | cbAlt.setAction(action);
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180 | cbAlt.setText(ALT); // see above for why no tr()
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181 | tfKey.setAction(action);
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182 | tfKey.setModel(new DefaultComboBoxModel(keyList.values().toArray()));
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183 | cbMeta.setAction(action);
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184 | cbMeta.setText(META); // see above for why no tr()
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185 |
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186 | shortcutEditPane.add(cbDefault);
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187 | shortcutEditPane.add(new JLabel());
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188 | shortcutEditPane.add(cbShift);
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189 | shortcutEditPane.add(cbDisable);
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190 | shortcutEditPane.add(cbCtrl);
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191 | shortcutEditPane.add(new JLabel(tr("Key:"), SwingConstants.LEFT));
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192 | shortcutEditPane.add(cbAlt);
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193 | shortcutEditPane.add(tfKey);
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194 | shortcutEditPane.add(cbMeta);
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195 |
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196 | shortcutEditPane.add(new JLabel(tr("Attention: Use real keyboard keys only!")));
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197 |
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198 | action.actionPerformed(null); // init checkboxes
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199 |
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200 | add(shortcutEditPane);
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201 | }
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202 |
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203 | private JPanel buildFilterPanel() {
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204 | // copied from PluginPreference
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205 | JPanel pnl = new JPanel(new GridBagLayout());
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206 | pnl.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
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207 | GridBagConstraints gc = new GridBagConstraints();
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208 |
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209 | gc.anchor = GridBagConstraints.NORTHWEST;
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210 | gc.fill = GridBagConstraints.HORIZONTAL;
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211 | gc.weightx = 0.0;
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212 | gc.insets = new Insets(0,0,0,5);
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213 | pnl.add(new JLabel(tr("Search:")), gc);
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214 |
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215 | gc.gridx = 1;
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216 | gc.weightx = 1.0;
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217 | pnl.add(filterField, gc);
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218 | filterField.setToolTipText(tr("Enter a search expression"));
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219 | SelectAllOnFocusGainedDecorator.decorate(filterField);
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220 | filterField.getDocument().addDocumentListener(new FilterFieldAdapter());
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221 | pnl.setMaximumSize(new Dimension(300,10));
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222 | return pnl;
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223 | }
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224 |
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225 | private void disableAllModifierCheckboxes() {
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226 | cbDefault.setEnabled(false);
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227 | cbDisable.setEnabled(false);
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228 | cbShift.setEnabled(false);
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229 | cbCtrl.setEnabled(false);
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230 | cbAlt.setEnabled(false);
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231 | cbMeta.setEnabled(false);
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232 | }
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233 |
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234 | // this allows to edit shortcuts. it:
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235 | // * sets the edit controls to the selected shortcut
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236 | // * enabled/disables the controls as needed
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237 | // * writes the user's changes to the shortcut
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238 | // And after I finally had it working, I realized that those two methods
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239 | // are playing ping-pong (politically correct: table tennis, I know) and
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240 | // even have some duplicated code. Feel free to refactor, If you have
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241 | // more expirience with GUI coding than I have.
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242 | private class CbAction extends AbstractAction implements ListSelectionListener {
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243 | private PrefJPanel panel;
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244 | public CbAction (PrefJPanel panel) {
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245 | this.panel = panel;
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246 | }
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247 | public void valueChanged(ListSelectionEvent e) {
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248 | ListSelectionModel lsm = panel.shortcutTable.getSelectionModel(); // can't use e here
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249 | if (!lsm.isSelectionEmpty()) {
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250 | int row = panel.shortcutTable.convertRowIndexToModel(lsm.getMinSelectionIndex());
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251 | Shortcut sc = (Shortcut)panel.model.getValueAt(row, -1);
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252 | panel.cbDefault.setSelected(!sc.getAssignedUser());
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253 | panel.cbDisable.setSelected(sc.getKeyStroke() == null);
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254 | panel.cbShift.setSelected(sc.getAssignedModifier() != -1 && (sc.getAssignedModifier() & KeyEvent.SHIFT_DOWN_MASK) != 0);
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255 | panel.cbCtrl.setSelected(sc.getAssignedModifier() != -1 && (sc.getAssignedModifier() & KeyEvent.CTRL_DOWN_MASK) != 0);
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256 | panel.cbAlt.setSelected(sc.getAssignedModifier() != -1 && (sc.getAssignedModifier() & KeyEvent.ALT_DOWN_MASK) != 0);
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257 | panel.cbMeta.setSelected(sc.getAssignedModifier() != -1 && (sc.getAssignedModifier() & KeyEvent.META_DOWN_MASK) != 0);
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258 | if (sc.getKeyStroke() != null) {
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259 | tfKey.setSelectedItem(keyList.get(sc.getKeyStroke().getKeyCode()));
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260 | } else {
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261 | tfKey.setSelectedItem(keyList.get(-1));
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262 | }
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263 | if (!sc.isChangeable()) {
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264 | disableAllModifierCheckboxes();
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265 | panel.tfKey.setEnabled(false);
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266 | } else {
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267 | panel.cbDefault.setEnabled(true);
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268 | actionPerformed(null);
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269 | }
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270 | model.fireTableCellUpdated(row, 1);
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271 | } else {
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272 | panel.disableAllModifierCheckboxes();
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273 | panel.tfKey.setEnabled(false);
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274 | }
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275 | }
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276 | public void actionPerformed(java.awt.event.ActionEvent e) {
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277 | ListSelectionModel lsm = panel.shortcutTable.getSelectionModel();
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278 | if (lsm != null && !lsm.isSelectionEmpty()) {
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279 | if (e != null) { // only if we've been called by a user action
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280 | int row = panel.shortcutTable.convertRowIndexToModel(lsm.getMinSelectionIndex());
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281 | Shortcut sc = (Shortcut)panel.model.getValueAt(row, -1);
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282 | if (panel.cbDisable.isSelected()) {
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283 | sc.setAssignedModifier(-1);
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284 | } else if (panel.tfKey.getSelectedItem().equals("")) {
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285 | sc.setAssignedModifier(KeyEvent.VK_CANCEL);
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286 | } else {
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287 | sc.setAssignedModifier(
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288 | (panel.cbShift.isSelected() ? KeyEvent.SHIFT_DOWN_MASK : 0) |
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289 | (panel.cbCtrl.isSelected() ? KeyEvent.CTRL_DOWN_MASK : 0) |
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290 | (panel.cbAlt.isSelected() ? KeyEvent.ALT_DOWN_MASK : 0) |
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291 | (panel.cbMeta.isSelected() ? KeyEvent.META_DOWN_MASK : 0)
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292 | );
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293 | for (Map.Entry<Integer, String> entry : keyList.entrySet()) {
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294 | if (entry.getValue().equals(panel.tfKey.getSelectedItem())) {
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295 | sc.setAssignedKey(entry.getKey());
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296 | }
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297 | }
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298 | }
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299 | sc.setAssignedUser(!panel.cbDefault.isSelected());
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300 | valueChanged(null);
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301 | }
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302 | boolean state = !panel.cbDefault.isSelected();
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303 | panel.cbDisable.setEnabled(state);
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304 | state = state && !panel.cbDisable.isSelected();
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305 | panel.cbShift.setEnabled(state);
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306 | panel.cbCtrl.setEnabled(state);
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307 | panel.cbAlt.setEnabled(state);
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308 | panel.cbMeta.setEnabled(state);
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309 | panel.tfKey.setEnabled(state);
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310 | } else {
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311 | panel.disableAllModifierCheckboxes();
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312 | panel.tfKey.setEnabled(false);
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313 | }
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314 | }
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315 | }
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316 |
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317 | class FilterFieldAdapter implements DocumentListener {
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318 | public void filter() {
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319 | String expr = filterField.getText().trim();
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320 | if (expr.length()==0) { expr=null; }
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321 | try {
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322 | final TableRowSorter<? extends TableModel> sorter =
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323 | ((TableRowSorter<? extends TableModel> )shortcutTable.getRowSorter());
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324 | if (expr == null) {
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325 | sorter.setRowFilter(null);
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326 | } else {
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327 | // split search string on whitespace, do case-insensitive AND search
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328 | ArrayList<RowFilter<Object, Object>> andFilters = new ArrayList<RowFilter<Object, Object>>();
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329 | for (String word : expr.split("\\s+")) {
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330 | andFilters.add(RowFilter.regexFilter("(?i)" + word));
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331 | }
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332 | sorter.setRowFilter(RowFilter.andFilter(andFilters));
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333 | }
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334 | }
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335 | catch (PatternSyntaxException ex) { }
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336 | catch (ClassCastException ex2) { /* eliminate warning */ }
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337 | }
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338 |
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339 | public void changedUpdate(DocumentEvent arg0) { filter(); }
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340 | public void insertUpdate(DocumentEvent arg0) { filter(); }
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341 | public void removeUpdate(DocumentEvent arg0) { filter(); }
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342 | }
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343 |
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344 | }
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