root / branches / v2_0_0_prep / libraries / libFMap_controls / src / org / gvsig / fmap / mapcontrol / dal / feature / swing / table / JToggleButtonHeaderCellRenderer.java @ 38564
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1 | 25838 | cordinyana | /* gvSIG. Geographic Information System of the Valencian Government
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2 | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | 31544 | cordinyana | * of the Valencian Government (CIT)
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5 | 26052 | vcaballero | *
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6 | 25838 | cordinyana | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | 26052 | vcaballero | *
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11 | 25838 | cordinyana | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | 26052 | vcaballero | *
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16 | 25838 | cordinyana | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 26052 | vcaballero | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | 25838 | cordinyana | * MA 02110-1301, USA.
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20 | 26052 | vcaballero | *
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21 | 25838 | cordinyana | */
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22 | |||
23 | /*
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24 | * AUTHORS (In addition to CIT):
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25 | * 2008 {DiSiD Technologies} {{Task}}
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26 | */
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27 | 31616 | cordinyana | package org.gvsig.fmap.mapcontrol.dal.feature.swing.table; |
28 | 25838 | cordinyana | |
29 | import java.awt.Component; |
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30 | import java.awt.Insets; |
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31 | import java.awt.event.MouseEvent; |
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32 | import java.awt.event.MouseListener; |
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33 | import java.util.BitSet; |
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34 | |||
35 | import javax.swing.JTable; |
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36 | import javax.swing.JToggleButton; |
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37 | import javax.swing.table.JTableHeader; |
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38 | import javax.swing.table.TableCellRenderer; |
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39 | |||
40 | 31616 | cordinyana | import org.gvsig.fmap.mapcontrol.dal.feature.swing.FeatureTable; |
41 | import org.gvsig.fmap.mapcontrol.dal.feature.swing.table.notification.ColumnHeaderSelectionChangeNotification; |
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42 | 25838 | cordinyana | import org.gvsig.tools.observer.impl.BaseWeakReferencingObservable; |
43 | |||
44 | /**
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45 | * A header cell renderer for JTables, which allows to select column headers by
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46 | * rendering a JToggleButton on each header cell.
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47 | 26052 | vcaballero | *
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48 | 25838 | cordinyana | * When the selection of column headers changes, Observers are notified through
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49 | * a {@link ColumnHeaderSelectionChangeNotification}.
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50 | 26052 | vcaballero | *
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51 | 25838 | cordinyana | * @author <a href="mailto:cordin@disid.com">C?sar Ordi?ana</a>
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52 | */
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53 | public class JToggleButtonHeaderCellRenderer extends |
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54 | BaseWeakReferencingObservable implements TableCellRenderer, |
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55 | MouseListener {
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56 | |||
57 | private BitSet selectedColumns = new BitSet(); |
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58 | |||
59 | // Component to render on each header cell
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60 | private JToggleButton button; |
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61 | |||
62 | 25842 | cordinyana | private FeatureTable table;
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63 | |||
64 | 25838 | cordinyana | /**
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65 | * Create a new JToggleButtonCellRenderer for a JTable.
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66 | */
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67 | 25842 | cordinyana | public JToggleButtonHeaderCellRenderer(FeatureTable table) {
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68 | this.table = table;
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69 | 25838 | cordinyana | JTableHeader header = table.getTableHeader();
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70 | header.addMouseListener(this);
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71 | 31179 | cordinyana | button = new JToggleButton(); |
72 | 25838 | cordinyana | |
73 | // Clone renderization of the default table header
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74 | 31167 | cordinyana | // button.setBackground(header.getBackground());
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75 | // button.setBorder(BorderFactory.createMatteBorder(1, 0, 1, 1, table
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76 | // .getGridColor()));
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77 | // button.setFont(header.getFont());
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78 | // button.setForeground(header.getForeground());
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79 | 25838 | cordinyana | button.setMargin(new Insets(0, 0, 0, 0)); |
80 | } |
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81 | |||
82 | /**
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83 | * Returns the selected columns table model position.
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84 | 26052 | vcaballero | *
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85 | 25838 | cordinyana | * @return an array of selected column indices
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86 | */
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87 | public int[] getSelectedColumns() { |
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88 | int[] columns = new int[selectedColumns.cardinality()]; |
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89 | int pos = 0; |
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90 | for (int i = selectedColumns.nextSetBit(0); i >= 0; i = selectedColumns |
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91 | .nextSetBit(i + 1)) {
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92 | columns[pos] = i; |
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93 | pos++; |
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94 | } |
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95 | return columns;
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96 | } |
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97 | 31179 | cordinyana | |
98 | 25838 | cordinyana | public Component getTableCellRendererComponent(JTable table, Object value, |
99 | boolean isSelected, boolean hasFocus, int row, int column) { |
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100 | |||
101 | // Get the the model position of the column being rendered
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102 | int columnModel = table.convertColumnIndexToModel(column);
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103 | |||
104 | // Set the column header text and selected status
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105 | button.setText(table.getColumnName(column)); |
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106 | button.setSelected(selectedColumns.get(columnModel)); |
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107 | 31167 | cordinyana | // if (selectedColumns.get(columnModel)){
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108 | // button.setBackground(Color.gray);
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109 | // }else{
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110 | // button.setBackground(Color.lightGray);
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111 | // }
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112 | 25838 | cordinyana | return button;
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113 | } |
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114 | |||
115 | 25842 | cordinyana | public void deselectAll() { |
116 | selectedColumns.clear(); |
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117 | notifyObservers(new ColumnHeaderSelectionChangeNotification(table));
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118 | } |
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119 | |||
120 | 25838 | cordinyana | public void mouseClicked(MouseEvent event) { |
121 | // Look for the clicked column
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122 | 25842 | cordinyana | JTable jtable = ((JTableHeader) event.getSource()).getTable(); |
123 | if (jtable.equals(table)) {
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124 | int columnViewIndex = table.columnAtPoint(event.getPoint());
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125 | 36629 | cordinyana | if (columnViewIndex >= 0) { |
126 | int columnModelIndex =
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127 | table.convertColumnIndexToModel(columnViewIndex); |
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128 | 25838 | cordinyana | |
129 | 36629 | cordinyana | // Set or add the selected column, depending on the CTRL key
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130 | // being
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131 | // pressed or not
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132 | if (ctrlKeyPressed(event)) {
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133 | reverseSelection(columnModelIndex); |
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134 | } else {
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135 | setSelection(columnModelIndex); |
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136 | } |
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137 | 25842 | cordinyana | } |
138 | 25838 | cordinyana | } |
139 | } |
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140 | |||
141 | public void mouseEntered(MouseEvent e) { |
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142 | // Nothing to do
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143 | } |
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144 | |||
145 | public void mouseExited(MouseEvent e) { |
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146 | // Nothing to do
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147 | } |
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148 | |||
149 | public void mousePressed(MouseEvent e) { |
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150 | // Nothing to do
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151 | } |
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152 | |||
153 | public void mouseReleased(MouseEvent e) { |
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154 | // Nothing to do
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155 | } |
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156 | |||
157 | private boolean ctrlKeyPressed(MouseEvent event) { |
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158 | final int ctrlDownMask = MouseEvent.CTRL_DOWN_MASK; |
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159 | return (event.getModifiersEx() & ctrlDownMask) == ctrlDownMask;
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160 | } |
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161 | |||
162 | /**
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163 | * Sets the selection to only the given column.
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164 | */
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165 | 25842 | cordinyana | private void setSelection(int column) { |
166 | 25838 | cordinyana | selectedColumns.clear(); |
167 | selectedColumns.set(column); |
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168 | |||
169 | notifyObservers(new ColumnHeaderSelectionChangeNotification(table));
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170 | } |
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171 | |||
172 | /**
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173 | * Reverses the selection of a column.
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174 | */
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175 | 25842 | cordinyana | private void reverseSelection(int column) { |
176 | 25838 | cordinyana | selectedColumns.flip(column); |
177 | |||
178 | notifyObservers(new ColumnHeaderSelectionChangeNotification(table));
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179 | } |
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180 | } |