1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/* InvariantTableCellRenderer.java
* =========================================================================
* This file is part of the GrInvIn project - http://www.grinvin.org
*
* Copyright (C) 2005-2008 Universiteit Gent
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* A copy of the GNU General Public License can be found in the file
* LICENSE.txt provided with the source distribution of this program (see
* the META-INF directory in the source jar). This license can also be
* found on the GNU website at http://www.gnu.org/licenses/gpl.html.
*
* If you did not receive a copy of the GNU General Public License along
* with this program, contact the lead developer, or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.grinvin.gui.components.render;
import java.awt.Color;
import java.awt.Component;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellRenderer;
import org.grinvin.graphs.GraphURIType;
import org.grinvin.invariants.Invariant;
import org.grinvin.invariants.InvariantManager;
/**
* Table cell renderer for objects of type {@link Invariant}.
*/
public class InvariantTableCellRenderer extends DefaultTableCellRenderer {
//
private static final TableCellRenderer RENDERER = new InvariantTableCellRenderer ();
/**
* Return the shared instance of this renderer.
*/
public static TableCellRenderer getInstance () {
return RENDERER;
}
//
private final Color stdColor;
private InvariantTableCellRenderer() {
// no to be instantiated directly
this.stdColor = getForeground();
}
/**
* Renders an invariant.
*/
@Override public void setValue(Object value) {
if (value instanceof Invariant) {
Invariant invariant = (Invariant)value;
setText(invariant.getName());
setIcon(GraphURIType.INVARIANT.getSmallIcon());
if (InvariantManager.getInstance().getInvariantComputerFor(invariant) == null)
setForeground(Color.RED);
else
setForeground(stdColor);
} else if (value != null)
throw new IllegalArgumentException
("InvariantTableCellRenderer can only be used with columns of type Invariant");
}
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
setOpaque(isSelected);
Color bg = getBackground();
setBackground(new Color(bg.getRed(), bg.getGreen(), bg.getBlue(), 128));
return this;
}
}
|
