1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.tagging;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.Component;
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7 | import java.awt.Dimension;
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8 | import java.awt.KeyboardFocusManager;
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9 | import java.awt.Window;
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10 | import java.awt.event.ActionEvent;
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11 | import java.awt.event.KeyEvent;
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12 | import java.beans.PropertyChangeEvent;
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13 | import java.beans.PropertyChangeListener;
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14 | import java.util.Collections;
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15 | import java.util.EventObject;
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16 | import java.util.concurrent.CopyOnWriteArrayList;
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17 |
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18 | import javax.swing.AbstractAction;
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19 | import javax.swing.CellEditor;
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20 | import javax.swing.JComponent;
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21 | import javax.swing.JTable;
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22 | import javax.swing.KeyStroke;
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23 | import javax.swing.ListSelectionModel;
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24 | import javax.swing.SwingUtilities;
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25 | import javax.swing.event.ListSelectionEvent;
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26 | import javax.swing.event.ListSelectionListener;
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27 | import javax.swing.text.JTextComponent;
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28 |
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29 | import org.openstreetmap.josm.data.osm.Relation;
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30 | import org.openstreetmap.josm.data.osm.TagMap;
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31 | import org.openstreetmap.josm.gui.datatransfer.OsmTransferHandler;
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32 | import org.openstreetmap.josm.gui.tagging.TagEditorModel.EndEditListener;
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33 | import org.openstreetmap.josm.gui.tagging.ac.AutoCompletionList;
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34 | import org.openstreetmap.josm.gui.tagging.ac.AutoCompletionManager;
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35 | import org.openstreetmap.josm.gui.widgets.JosmTable;
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36 | import org.openstreetmap.josm.tools.ImageProvider;
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37 | import org.openstreetmap.josm.tools.Logging;
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38 |
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39 | /**
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40 | * This is the tabular editor component for OSM tags.
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41 | * @since 1762
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42 | */
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43 | public class TagTable extends JosmTable implements EndEditListener {
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44 | /** the table cell editor used by this table */
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45 | private TagCellEditor editor;
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46 | private final TagEditorModel model;
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47 | private Component nextFocusComponent;
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48 |
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49 | /** a list of components to which focus can be transferred without stopping
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50 | * cell editing this table.
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51 | */
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52 | private final CopyOnWriteArrayList<Component> doNotStopCellEditingWhenFocused = new CopyOnWriteArrayList<>();
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53 | private transient CellEditorRemover editorRemover;
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54 |
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55 | /**
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56 | * Action to be run when the user navigates to the next cell in the table,
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57 | * for instance by pressing TAB or ENTER. The action alters the standard
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58 | * navigation path from cell to cell:
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59 | * <ul>
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60 | * <li>it jumps over cells in the first column</li>
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61 | * <li>it automatically add a new empty row when the user leaves the
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62 | * last cell in the table</li>
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63 | * </ul>
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64 | */
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65 | class SelectNextColumnCellAction extends AbstractAction {
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66 | @Override
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67 | public void actionPerformed(ActionEvent e) {
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68 | run();
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69 | }
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70 |
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71 | public void run() {
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72 | int col = getSelectedColumn();
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73 | int row = getSelectedRow();
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74 | if (getCellEditor() != null) {
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75 | getCellEditor().stopCellEditing();
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76 | }
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77 |
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78 | if (row == -1 && col == -1) {
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79 | requestFocusInCell(0, 0);
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80 | return;
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81 | }
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82 |
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83 | if (col == 0) {
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84 | col++;
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85 | } else if (col == 1 && row < getRowCount()-1) {
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86 | col = 0;
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87 | row++;
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88 | } else if (col == 1 && row == getRowCount()-1) {
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89 | // we are at the end. Append an empty row and move the focus to its second column
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90 | String key = ((TagModel) model.getValueAt(row, 0)).getName();
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91 | if (!key.trim().isEmpty()) {
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92 | model.appendNewTag();
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93 | col = 0;
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94 | row++;
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95 | } else {
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96 | clearSelection();
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97 | if (nextFocusComponent != null)
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98 | nextFocusComponent.requestFocusInWindow();
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99 | return;
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100 | }
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101 | }
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102 | requestFocusInCell(row, col);
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103 | }
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104 | }
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105 |
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106 | /**
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107 | * Action to be run when the user navigates to the previous cell in the table,
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108 | * for instance by pressing Shift-TAB
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109 | */
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110 | class SelectPreviousColumnCellAction extends AbstractAction {
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111 |
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112 | @Override
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113 | public void actionPerformed(ActionEvent e) {
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114 | int col = getSelectedColumn();
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115 | int row = getSelectedRow();
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116 | if (getCellEditor() != null) {
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117 | getCellEditor().stopCellEditing();
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118 | }
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119 |
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120 | if (col <= 0 && row <= 0) {
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121 | // change nothing
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122 | } else if (col == 1) {
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123 | col--;
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124 | } else {
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125 | col = 1;
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126 | row--;
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127 | }
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128 | requestFocusInCell(row, col);
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129 | }
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130 | }
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131 |
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132 | /**
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133 | * Action to be run when the user invokes a delete action on the table, for
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134 | * instance by pressing DEL.
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135 | *
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136 | * Depending on the shape on the current selection the action deletes individual
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137 | * values or entire tags from the model.
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138 | *
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139 | * If the current selection consists of cells in the second column only, the keys of
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140 | * the selected tags are set to the empty string.
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141 | *
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142 | * If the current selection consists of cell in the third column only, the values of the
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143 | * selected tags are set to the empty string.
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144 | *
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145 | * If the current selection consists of cells in the second and the third column,
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146 | * the selected tags are removed from the model.
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147 | *
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148 | * This action listens to the table selection. It becomes enabled when the selection
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149 | * is non-empty, otherwise it is disabled.
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150 | *
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151 | *
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152 | */
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153 | class DeleteAction extends AbstractAction implements ListSelectionListener {
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154 |
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155 | DeleteAction() {
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156 | new ImageProvider("dialogs", "delete").getResource().attachImageIcon(this);
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157 | putValue(SHORT_DESCRIPTION, tr("Delete the selection in the tag table"));
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158 | getSelectionModel().addListSelectionListener(this);
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159 | getColumnModel().getSelectionModel().addListSelectionListener(this);
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160 | updateEnabledState();
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161 | }
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162 |
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163 | /**
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164 | * delete a selection of tag names
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165 | */
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166 | protected void deleteTagNames() {
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167 | int[] rows = getSelectedRows();
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168 | model.deleteTagNames(rows);
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169 | }
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170 |
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171 | /**
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172 | * delete a selection of tag values
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173 | */
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174 | protected void deleteTagValues() {
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175 | int[] rows = getSelectedRows();
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176 | model.deleteTagValues(rows);
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177 | }
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178 |
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179 | /**
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180 | * delete a selection of tags
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181 | */
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182 | protected void deleteTags() {
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183 | int[] rows = getSelectedRows();
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184 | model.deleteTags(rows);
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185 | }
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186 |
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187 | @Override
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188 | public void actionPerformed(ActionEvent e) {
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189 | if (!isEnabled())
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190 | return;
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191 | switch(getSelectedColumnCount()) {
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192 | case 1:
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193 | if (getSelectedColumn() == 0) {
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194 | deleteTagNames();
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195 | } else if (getSelectedColumn() == 1) {
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196 | deleteTagValues();
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197 | }
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198 | break;
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199 | case 2:
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200 | deleteTags();
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201 | break;
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202 | default: // Do nothing
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203 | }
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204 |
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205 | endCellEditing();
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206 |
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207 | if (model.getRowCount() == 0) {
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208 | model.ensureOneTag();
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209 | requestFocusInCell(0, 0);
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210 | }
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211 | }
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212 |
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213 | /**
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214 | * listens to the table selection model
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215 | */
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216 | @Override
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217 | public void valueChanged(ListSelectionEvent e) {
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218 | updateEnabledState();
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219 | }
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220 |
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221 | protected final void updateEnabledState() {
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222 | setEnabled(getSelectedColumnCount() >= 1 && getSelectedRowCount() >= 1);
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223 | }
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224 | }
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225 |
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226 | /**
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227 | * Action to be run when the user adds a new tag.
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228 | *
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229 | */
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230 | class AddAction extends AbstractAction implements PropertyChangeListener {
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231 | AddAction() {
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232 | new ImageProvider("dialogs", "add").getResource().attachImageIcon(this);
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233 | putValue(SHORT_DESCRIPTION, tr("Add a new tag"));
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234 | TagTable.this.addPropertyChangeListener(this);
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235 | updateEnabledState();
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236 | }
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237 |
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238 | @Override
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239 | public void actionPerformed(ActionEvent e) {
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240 | CellEditor cEditor = getCellEditor();
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241 | if (cEditor != null) {
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242 | cEditor.stopCellEditing();
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243 | }
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244 | final int rowIdx = model.getRowCount()-1;
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245 | if (rowIdx < 0 || !((TagModel) model.getValueAt(rowIdx, 0)).getName().trim().isEmpty()) {
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246 | model.appendNewTag();
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247 | }
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248 | requestFocusInCell(model.getRowCount()-1, 0);
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249 | }
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250 |
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251 | protected final void updateEnabledState() {
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252 | setEnabled(TagTable.this.isEnabled());
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253 | }
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254 |
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255 | @Override
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256 | public void propertyChange(PropertyChangeEvent evt) {
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257 | updateEnabledState();
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258 | }
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259 | }
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260 |
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261 | /**
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262 | * Action to be run when the user wants to paste tags from buffer
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263 | */
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264 | class PasteAction extends AbstractAction implements PropertyChangeListener {
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265 | PasteAction() {
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266 | new ImageProvider("pastetags").getResource().attachImageIcon(this);
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267 | putValue(SHORT_DESCRIPTION, tr("Paste tags from buffer"));
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268 | TagTable.this.addPropertyChangeListener(this);
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269 | updateEnabledState();
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270 | }
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271 |
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272 | @Override
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273 | public void actionPerformed(ActionEvent e) {
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274 | Relation relation = new Relation();
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275 | model.applyToPrimitive(relation);
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276 | new OsmTransferHandler().pasteTags(Collections.singleton(relation));
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277 | model.updateTags(new TagMap(relation.getKeys()).getTags());
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278 | }
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279 |
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280 | protected final void updateEnabledState() {
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281 | setEnabled(TagTable.this.isEnabled());
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282 | }
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283 |
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284 | @Override
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285 | public void propertyChange(PropertyChangeEvent evt) {
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286 | updateEnabledState();
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287 | }
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288 | }
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289 |
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290 | /** the delete action */
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291 | private DeleteAction deleteAction;
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292 |
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293 | /** the add action */
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294 | private AddAction addAction;
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295 |
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296 | /** the tag paste action */
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297 | private PasteAction pasteAction;
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298 |
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299 | /**
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300 | * Returns the delete action.
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301 | * @return the delete action used by this table
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302 | */
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303 | public DeleteAction getDeleteAction() {
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304 | return deleteAction;
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305 | }
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306 |
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307 | /**
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308 | * Returns the add action.
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309 | * @return the add action used by this table
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310 | */
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311 | public AddAction getAddAction() {
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312 | return addAction;
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313 | }
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314 |
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315 | /**
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316 | * Returns the paste action.
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317 | * @return the paste action used by this table
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318 | */
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319 | public PasteAction getPasteAction() {
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320 | return pasteAction;
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321 | }
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322 |
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323 | /**
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324 | * initialize the table
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325 | * @param maxCharacters maximum number of characters allowed for keys and values, 0 for unlimited
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326 | */
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327 | protected final void init(final int maxCharacters) {
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328 | setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
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329 | setRowSelectionAllowed(true);
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330 | setColumnSelectionAllowed(true);
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331 | setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
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332 |
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333 | // make ENTER behave like TAB
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334 | //
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335 | getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT)
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336 | .put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, false), "selectNextColumnCell");
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337 |
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338 | // install custom navigation actions
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339 | //
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340 | getActionMap().put("selectNextColumnCell", new SelectNextColumnCellAction());
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341 | getActionMap().put("selectPreviousColumnCell", new SelectPreviousColumnCellAction());
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342 |
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343 | // create a delete action. Installing this action in the input and action map
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344 | // didn't work. We therefore handle delete requests in processKeyBindings(...)
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345 | //
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346 | deleteAction = new DeleteAction();
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347 |
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348 | // create the add action
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349 | //
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350 | addAction = new AddAction();
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351 | getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT)
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352 | .put(KeyStroke.getKeyStroke(KeyEvent.VK_ADD, KeyEvent.CTRL_DOWN_MASK), "addTag");
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353 | getActionMap().put("addTag", addAction);
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354 |
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355 | pasteAction = new PasteAction();
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356 |
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357 | // create the table cell editor and set it to key and value columns
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358 | //
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359 | TagCellEditor tmpEditor = new TagCellEditor(maxCharacters);
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360 | setRowHeight(tmpEditor.getEditor().getPreferredSize().height);
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361 | setTagCellEditor(tmpEditor);
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362 | }
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363 |
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364 | /**
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365 | * Creates a new tag table
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366 | *
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367 | * @param model the tag editor model
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368 | * @param maxCharacters maximum number of characters allowed for keys and values, 0 for unlimited
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369 | */
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370 | public TagTable(TagEditorModel model, final int maxCharacters) {
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371 | super(model, new TagTableColumnModelBuilder(new TagCellRenderer(), tr("Key"), tr("Value"))
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372 | .setSelectionModel(model.getColumnSelectionModel()).build(),
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373 | model.getRowSelectionModel());
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374 | this.model = model;
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375 | model.setEndEditListener(this);
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376 | init(maxCharacters);
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377 | }
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378 |
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379 | @Override
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380 | public Dimension getPreferredSize() {
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381 | return getPreferredFullWidthSize();
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382 | }
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383 |
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384 | @Override
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385 | protected boolean processKeyBinding(KeyStroke ks, KeyEvent e, int condition, boolean pressed) {
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386 |
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387 | // handle delete key
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388 | //
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389 | if (e.getKeyCode() == KeyEvent.VK_DELETE) {
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390 | if (isEditing() && getSelectedColumnCount() == 1 && getSelectedRowCount() == 1)
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391 | // if DEL was pressed and only the currently edited cell is selected,
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392 | // don't run the delete action. DEL is handled by the CellEditor as normal
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393 | // DEL in the text input.
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394 | //
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395 | return super.processKeyBinding(ks, e, condition, pressed);
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396 | getDeleteAction().actionPerformed(null);
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397 | }
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398 | return super.processKeyBinding(ks, e, condition, pressed);
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399 | }
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400 |
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401 | /**
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402 | * Sets the editor autocompletion list
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403 | * @param autoCompletionList autocompletion list
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404 | */
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405 | public void setAutoCompletionList(AutoCompletionList autoCompletionList) {
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406 | if (autoCompletionList == null)
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407 | return;
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408 | if (editor != null) {
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409 | editor.setAutoCompletionList(autoCompletionList);
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410 | }
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411 | }
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412 |
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413 | /**
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414 | * Sets the autocompletion manager that should be used for editing the cells
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415 | * @param autocomplete The {@link AutoCompletionManager}
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416 | */
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417 | public void setAutoCompletionManager(AutoCompletionManager autocomplete) {
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418 | if (autocomplete == null) {
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419 | Logging.warn("argument autocomplete should not be null. Aborting.");
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420 | Logging.error(new Exception());
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421 | return;
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422 | }
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423 | if (editor != null) {
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424 | editor.setAutoCompletionManager(autocomplete);
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425 | }
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426 | }
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427 |
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428 | /**
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429 | * Gets the {@link AutoCompletionList} the cell editor is synchronized with
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430 | * @return The list
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431 | */
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432 | public AutoCompletionList getAutoCompletionList() {
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433 | if (editor != null)
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434 | return editor.getAutoCompletionList();
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435 | else
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436 | return null;
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437 | }
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438 |
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439 | /**
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440 | * Sets the next component to request focus after navigation (with tab or enter).
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441 | * @param nextFocusComponent next component to request focus after navigation (with tab or enter)
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442 | */
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443 | public void setNextFocusComponent(Component nextFocusComponent) {
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444 | this.nextFocusComponent = nextFocusComponent;
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445 | }
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446 |
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447 | /**
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448 | * Gets the editor that is used for the table cells
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449 | * @return The editor that is used when the user wants to enter text into a cell
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450 | */
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451 | public TagCellEditor getTableCellEditor() {
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452 | return editor;
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453 | }
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454 |
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455 | /**
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456 | * Inject a tag cell editor in the tag table
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457 | *
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458 | * @param editor tag cell editor
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459 | */
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460 | public void setTagCellEditor(TagCellEditor editor) {
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461 | endCellEditing();
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462 | this.editor = editor;
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463 | getColumnModel().getColumn(0).setCellEditor(editor);
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464 | getColumnModel().getColumn(1).setCellEditor(editor);
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465 | }
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466 |
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467 | /**
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468 | * Request the focus in a specific cell
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469 | * @param row The row index
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470 | * @param col The column index
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471 | */
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472 | public void requestFocusInCell(final int row, final int col) {
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473 | changeSelection(row, col, false, false);
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474 | editCellAt(row, col);
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475 | Component c = getEditorComponent();
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476 | if (c != null) {
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477 | if (!c.requestFocusInWindow()) {
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478 | Logging.warn("Unable to request focus for " + c);
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479 | }
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480 | if (c instanceof JTextComponent) {
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481 | ((JTextComponent) c).selectAll();
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482 | }
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483 | }
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484 | // there was a bug here - on older 1.6 Java versions Tab was not working
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485 | // after such activation. In 1.7 it works OK,
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486 | // previous solution of using awt.Robot was resetting mouse speed on Windows
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487 | }
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488 |
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489 | /**
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490 | * Marks a component that may be focused without stopping the cell editing
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491 | * @param component The component
|
---|
492 | */
|
---|
493 | public void addComponentNotStoppingCellEditing(Component component) {
|
---|
494 | if (component == null) return;
|
---|
495 | doNotStopCellEditingWhenFocused.addIfAbsent(component);
|
---|
496 | }
|
---|
497 |
|
---|
498 | /**
|
---|
499 | * Removes a component added with {@link #addComponentNotStoppingCellEditing(Component)}
|
---|
500 | * @param component The component
|
---|
501 | */
|
---|
502 | public void removeComponentNotStoppingCellEditing(Component component) {
|
---|
503 | if (component == null) return;
|
---|
504 | doNotStopCellEditingWhenFocused.remove(component);
|
---|
505 | }
|
---|
506 |
|
---|
507 | @Override
|
---|
508 | public boolean editCellAt(int row, int column, EventObject e) {
|
---|
509 |
|
---|
510 | // a snipped copied from the Java 1.5 implementation of JTable
|
---|
511 | //
|
---|
512 | if (cellEditor != null && !cellEditor.stopCellEditing())
|
---|
513 | return false;
|
---|
514 |
|
---|
515 | if (row < 0 || row >= getRowCount() ||
|
---|
516 | column < 0 || column >= getColumnCount())
|
---|
517 | return false;
|
---|
518 |
|
---|
519 | if (!isCellEditable(row, column))
|
---|
520 | return false;
|
---|
521 |
|
---|
522 | // make sure our custom implementation of CellEditorRemover is created
|
---|
523 | if (editorRemover == null) {
|
---|
524 | KeyboardFocusManager fm =
|
---|
525 | KeyboardFocusManager.getCurrentKeyboardFocusManager();
|
---|
526 | editorRemover = new CellEditorRemover(fm);
|
---|
527 | fm.addPropertyChangeListener("permanentFocusOwner", editorRemover);
|
---|
528 | }
|
---|
529 |
|
---|
530 | // delegate to the default implementation
|
---|
531 | return super.editCellAt(row, column, e);
|
---|
532 | }
|
---|
533 |
|
---|
534 | @Override
|
---|
535 | public void endCellEditing() {
|
---|
536 | if (isEditing()) {
|
---|
537 | CellEditor cEditor = getCellEditor();
|
---|
538 | if (cEditor != null) {
|
---|
539 | // First attempt to commit. If this does not work, cancel.
|
---|
540 | cEditor.stopCellEditing();
|
---|
541 | cEditor.cancelCellEditing();
|
---|
542 | }
|
---|
543 | }
|
---|
544 | }
|
---|
545 |
|
---|
546 | @Override
|
---|
547 | public void removeEditor() {
|
---|
548 | // make sure we unregister our custom implementation of CellEditorRemover
|
---|
549 | KeyboardFocusManager.getCurrentKeyboardFocusManager().
|
---|
550 | removePropertyChangeListener("permanentFocusOwner", editorRemover);
|
---|
551 | editorRemover = null;
|
---|
552 | super.removeEditor();
|
---|
553 | }
|
---|
554 |
|
---|
555 | @Override
|
---|
556 | public void removeNotify() {
|
---|
557 | // make sure we unregister our custom implementation of CellEditorRemover
|
---|
558 | KeyboardFocusManager.getCurrentKeyboardFocusManager().
|
---|
559 | removePropertyChangeListener("permanentFocusOwner", editorRemover);
|
---|
560 | editorRemover = null;
|
---|
561 | super.removeNotify();
|
---|
562 | }
|
---|
563 |
|
---|
564 | /**
|
---|
565 | * This is a custom implementation of the CellEditorRemover used in JTable
|
---|
566 | * to handle the client property <code>terminateEditOnFocusLost</code>.
|
---|
567 | *
|
---|
568 | * This implementation also checks whether focus is transferred to one of a list
|
---|
569 | * of dedicated components, see {@link TagTable#doNotStopCellEditingWhenFocused}.
|
---|
570 | * A typical example for such a component is a button in {@link TagEditorPanel}
|
---|
571 | * which isn't a child component of {@link TagTable} but which should respond to
|
---|
572 | * to focus transfer in a similar way to a child of TagTable.
|
---|
573 | *
|
---|
574 | */
|
---|
575 | class CellEditorRemover implements PropertyChangeListener {
|
---|
576 | private final KeyboardFocusManager focusManager;
|
---|
577 |
|
---|
578 | CellEditorRemover(KeyboardFocusManager fm) {
|
---|
579 | this.focusManager = fm;
|
---|
580 | }
|
---|
581 |
|
---|
582 | @Override
|
---|
583 | public void propertyChange(PropertyChangeEvent ev) {
|
---|
584 | if (!isEditing())
|
---|
585 | return;
|
---|
586 |
|
---|
587 | Component c = focusManager.getPermanentFocusOwner();
|
---|
588 | while (c != null) {
|
---|
589 | if (c == TagTable.this)
|
---|
590 | // focus remains inside the table
|
---|
591 | return;
|
---|
592 | if (doNotStopCellEditingWhenFocused.contains(c))
|
---|
593 | // focus remains on one of the associated components
|
---|
594 | return;
|
---|
595 | else if (c instanceof Window) {
|
---|
596 | if (c == SwingUtilities.getRoot(TagTable.this) && !getCellEditor().stopCellEditing()) {
|
---|
597 | getCellEditor().cancelCellEditing();
|
---|
598 | }
|
---|
599 | break;
|
---|
600 | }
|
---|
601 | c = c.getParent();
|
---|
602 | }
|
---|
603 | }
|
---|
604 | }
|
---|
605 | }
|
---|