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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package org.spc.ofp.gui;
import java.awt.BasicStroke;
import java.awt.Component;
import java.awt.Paint;
import java.util.HashMap;
import java.util.Map;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JList;
import javax.swing.JTable;
import javax.swing.JTree;
import javax.swing.ListCellRenderer;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellRenderer;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.TreeCellRenderer;
import org.spc.ofp.graphics.gui.BasicStrokeCellRenderer;
import org.spc.ofp.graphics.gui.PaintCellRenderer;
/**
*
* @author fabriceb
*/
public abstract class MultiCellRenderer {
/** Storage map.
*/
private Map<Class<?>, Object> classRendererMap = new HashMap<Class<?>, Object>();
/**
* Register a renderer for a given type.
* @param type The type.
* @param renderer The renderer associated to this type.
*/
protected void register(Class<?> type, Object renderer) {
classRendererMap.put(type, renderer);
}
/**
* Unregister a renderer for a given type.
* @param type The type.
*/
protected void unregister(Class<?> type) {
classRendererMap.remove(type);
}
/** Gets a renderer for a given type.
* @param type The type.
* @return An <code>Object</code> instance or <code>null</code> is no renderer registered to this type.
*/
protected Object getRenderer(Class<?> type) {
return classRendererMap.get(type);
}
/** Searh renderer for given value.
* @param value The value.
* @return An <code>Object</code> instance or <code>null</code> is no renderer registered to this value's type.
* If this value is <code>null</code>, defaults to the renderer for the <code>Object</code> class.
*/
protected Object searchRenderer(Object value) {
Object result = null;
if (value != null) {
Class<?> type = value.getClass();
result = getRenderer(type);
// Search super-classes.
if (result == null) {
for (Class<?> parent = type.getSuperclass(); (parent != null && parent != Object.class); parent = parent.getSuperclass()) {
result = getRenderer(parent);
if (result != null) {
break;
}
}
}
// Search implemented interfaces.
if (result == null) {
Class<?>[] parents = type.getInterfaces();
for (Class<?> parent : parents) {
result = getRenderer(parent);
if (result != null) {
break;
}
}
}
}
// Use default renderer instead.
if (result == null) {
result = getRenderer(Object.class);
}
return result;
}
public static class List extends MultiCellRenderer implements ListCellRenderer {
public List() {
registerRenderer(Paint.class, new PaintCellRenderer.List());
registerRenderer(BasicStroke.class, new BasicStrokeCellRenderer.List());
registerRenderer(Object.class, new DefaultListCellRenderer());
}
public void registerRenderer(Class<?> type, ListCellRenderer renderer) {
register(type, renderer);
}
public void unregisterRenderer(Class<?> type) {
unregister(type);
}
@Override
public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
ListCellRenderer renderer = (ListCellRenderer) searchRenderer(value);
return renderer.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
}
}
public static class Tree extends MultiCellRenderer implements TreeCellRenderer {
public Tree() {
registerRenderer(Paint.class, new PaintCellRenderer.Tree());
registerRenderer(BasicStroke.class, new BasicStrokeCellRenderer.Tree());
registerRenderer(Object.class, new DefaultTreeCellRenderer());
}
public void registerRenderer(Class<?> type, TreeCellRenderer renderer) {
register(type, renderer);
}
public void unregisterRenderer(Class<?> type) {
unregister(type);
}
@Override
public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
if (value instanceof DefaultMutableTreeNode) {
value = ((DefaultMutableTreeNode) value).getUserObject();
}
TreeCellRenderer renderer = (TreeCellRenderer) searchRenderer(value);
return renderer.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
}
}
public static class Table extends MultiCellRenderer implements TableCellRenderer {
public Table() {
registerRenderer(Paint.class, new PaintCellRenderer.Table());
registerRenderer(BasicStroke.class, new BasicStrokeCellRenderer.Table());
registerRenderer(Object.class, new DefaultTableCellRenderer());
}
public void registerRenderer(Class<?> type, TableCellRenderer renderer) {
register(type, renderer);
}
public void unregisterRenderer(Class<?> type) {
unregister(type);
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
TableCellRenderer renderer = (TableCellRenderer) searchRenderer(value);
return renderer.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
}
}
} |
