root / branches / v2_0_0_prep / libraries / libFMap_controls / src / org / gvsig / fmap / data / feature / swing / table / JToggleButtonHeaderCellRenderer.java @ 25842
History | View | Annotate | Download (5.58 KB)
1 | 25838 | cordinyana | /* gvSIG. Geographic Information System of the Valencian Government
|
---|---|---|---|
2 | *
|
||
3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
|
||
4 | * of the Valencian Gobernment (CIT)
|
||
5 | *
|
||
6 | * This program is free software; you can redistribute it and/or
|
||
7 | * modify it under the terms of the GNU General Public License
|
||
8 | * as published by the Free Software Foundation; either version 2
|
||
9 | * of the License, or (at your option) any later version.
|
||
10 | *
|
||
11 | * This program is distributed in the hope that it will be useful,
|
||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
14 | * GNU General Public License for more details.
|
||
15 | *
|
||
16 | * You should have received a copy of the GNU General Public License
|
||
17 | * along with this program; if not, write to the Free Software
|
||
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
||
19 | * MA 02110-1301, USA.
|
||
20 | *
|
||
21 | */
|
||
22 | |||
23 | /*
|
||
24 | * AUTHORS (In addition to CIT):
|
||
25 | * 2008 {DiSiD Technologies} {{Task}}
|
||
26 | */
|
||
27 | package org.gvsig.fmap.data.feature.swing.table; |
||
28 | |||
29 | import java.awt.Component; |
||
30 | import java.awt.Insets; |
||
31 | import java.awt.event.MouseEvent; |
||
32 | import java.awt.event.MouseListener; |
||
33 | import java.util.BitSet; |
||
34 | |||
35 | import javax.swing.BorderFactory; |
||
36 | import javax.swing.JTable; |
||
37 | import javax.swing.JToggleButton; |
||
38 | import javax.swing.table.JTableHeader; |
||
39 | import javax.swing.table.TableCellRenderer; |
||
40 | |||
41 | import org.gvsig.fmap.data.feature.swing.FeatureTable; |
||
42 | import org.gvsig.fmap.data.feature.swing.table.notification.ColumnHeaderSelectionChangeNotification; |
||
43 | import org.gvsig.tools.observer.impl.BaseWeakReferencingObservable; |
||
44 | |||
45 | /**
|
||
46 | * A header cell renderer for JTables, which allows to select column headers by
|
||
47 | * rendering a JToggleButton on each header cell.
|
||
48 | *
|
||
49 | * When the selection of column headers changes, Observers are notified through
|
||
50 | * a {@link ColumnHeaderSelectionChangeNotification}.
|
||
51 | *
|
||
52 | * @author <a href="mailto:cordin@disid.com">C?sar Ordi?ana</a>
|
||
53 | */
|
||
54 | public class JToggleButtonHeaderCellRenderer extends |
||
55 | BaseWeakReferencingObservable implements TableCellRenderer, |
||
56 | MouseListener {
|
||
57 | |||
58 | private BitSet selectedColumns = new BitSet(); |
||
59 | |||
60 | // Component to render on each header cell
|
||
61 | private JToggleButton button; |
||
62 | |||
63 | 25842 | cordinyana | private FeatureTable table;
|
64 | |||
65 | 25838 | cordinyana | /**
|
66 | * Create a new JToggleButtonCellRenderer for a JTable.
|
||
67 | */
|
||
68 | 25842 | cordinyana | public JToggleButtonHeaderCellRenderer(FeatureTable table) {
|
69 | this.table = table;
|
||
70 | 25838 | cordinyana | JTableHeader header = table.getTableHeader();
|
71 | header.addMouseListener(this);
|
||
72 | button = new JToggleButton(); |
||
73 | |||
74 | // Clone renderization of the default table header
|
||
75 | button.setBackground(header.getBackground()); |
||
76 | button.setBorder(BorderFactory.createMatteBorder(1, 0, 1, 1, table |
||
77 | .getGridColor())); |
||
78 | button.setFont(header.getFont()); |
||
79 | button.setForeground(header.getForeground()); |
||
80 | button.setMargin(new Insets(0, 0, 0, 0)); |
||
81 | } |
||
82 | |||
83 | /**
|
||
84 | * Returns the selected columns table model position.
|
||
85 | *
|
||
86 | * @return an array of selected column indices
|
||
87 | */
|
||
88 | public int[] getSelectedColumns() { |
||
89 | int[] columns = new int[selectedColumns.cardinality()]; |
||
90 | int pos = 0; |
||
91 | for (int i = selectedColumns.nextSetBit(0); i >= 0; i = selectedColumns |
||
92 | .nextSetBit(i + 1)) {
|
||
93 | columns[pos] = i; |
||
94 | pos++; |
||
95 | } |
||
96 | return columns;
|
||
97 | } |
||
98 | |||
99 | public Component getTableCellRendererComponent(JTable table, Object value, |
||
100 | boolean isSelected, boolean hasFocus, int row, int column) { |
||
101 | |||
102 | // Get the the model position of the column being rendered
|
||
103 | int columnModel = table.convertColumnIndexToModel(column);
|
||
104 | |||
105 | // Set the column header text and selected status
|
||
106 | button.setText(table.getColumnName(column)); |
||
107 | button.setSelected(selectedColumns.get(columnModel)); |
||
108 | return button;
|
||
109 | } |
||
110 | |||
111 | 25842 | cordinyana | public void deselectAll() { |
112 | selectedColumns.clear(); |
||
113 | notifyObservers(new ColumnHeaderSelectionChangeNotification(table));
|
||
114 | } |
||
115 | |||
116 | 25838 | cordinyana | public void mouseClicked(MouseEvent event) { |
117 | // Look for the clicked column
|
||
118 | 25842 | cordinyana | JTable jtable = ((JTableHeader) event.getSource()).getTable(); |
119 | if (jtable.equals(table)) {
|
||
120 | int columnViewIndex = table.columnAtPoint(event.getPoint());
|
||
121 | int columnModelIndex = table
|
||
122 | .convertColumnIndexToModel(columnViewIndex); |
||
123 | 25838 | cordinyana | |
124 | 25842 | cordinyana | // Set or add the selected column, depending on the CTRL key being
|
125 | // pressed or not
|
||
126 | if (ctrlKeyPressed(event)) {
|
||
127 | reverseSelection(columnModelIndex); |
||
128 | } else {
|
||
129 | setSelection(columnModelIndex); |
||
130 | } |
||
131 | 25838 | cordinyana | } |
132 | } |
||
133 | |||
134 | public void mouseEntered(MouseEvent e) { |
||
135 | // Nothing to do
|
||
136 | } |
||
137 | |||
138 | public void mouseExited(MouseEvent e) { |
||
139 | // Nothing to do
|
||
140 | } |
||
141 | |||
142 | public void mousePressed(MouseEvent e) { |
||
143 | // Nothing to do
|
||
144 | } |
||
145 | |||
146 | public void mouseReleased(MouseEvent e) { |
||
147 | // Nothing to do
|
||
148 | } |
||
149 | |||
150 | private boolean ctrlKeyPressed(MouseEvent event) { |
||
151 | final int ctrlDownMask = MouseEvent.CTRL_DOWN_MASK; |
||
152 | return (event.getModifiersEx() & ctrlDownMask) == ctrlDownMask;
|
||
153 | } |
||
154 | |||
155 | /**
|
||
156 | * Sets the selection to only the given column.
|
||
157 | */
|
||
158 | 25842 | cordinyana | private void setSelection(int column) { |
159 | 25838 | cordinyana | selectedColumns.clear(); |
160 | selectedColumns.set(column); |
||
161 | |||
162 | notifyObservers(new ColumnHeaderSelectionChangeNotification(table));
|
||
163 | } |
||
164 | |||
165 | /**
|
||
166 | * Reverses the selection of a column.
|
||
167 | */
|
||
168 | 25842 | cordinyana | private void reverseSelection(int column) { |
169 | 25838 | cordinyana | selectedColumns.flip(column); |
170 | |||
171 | notifyObservers(new ColumnHeaderSelectionChangeNotification(table));
|
||
172 | } |
||
173 | } |