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1
7
8 package org.jdesktop.swing.table;
9
10 import java.awt.BorderLayout  ;
11 import java.awt.Color ;
12 import java.awt.Component ;
13 import java.awt.Font ;
14 import java.awt.Graphics ;
15 import java.awt.Graphics2D ;
16 import java.awt.Insets ;
17 import java.awt.Rectangle ;
18 import java.awt.RenderingHints ;
19
20 import javax.swing.Icon ;
21 import javax.swing.JLabel ;
22 import javax.swing.JPanel ;
23 import javax.swing.JTable ;
24 import javax.swing.UIManager ;
25 import javax.swing.border.Border ;
26 import javax.swing.border.CompoundBorder ;
27 import javax.swing.border.EmptyBorder ;
28 import javax.swing.table.JTableHeader ;
29 import javax.swing.table.TableCellRenderer ;
30
31 import org.jdesktop.swing.JXTable;
32 import org.jdesktop.swing.LabelProperties;
33 import org.jdesktop.swing.decorator.Sorter;
34 import org.jdesktop.swing.icon.SortArrowIcon;
35
36
42 public class ColumnHeaderRenderer extends JPanel implements TableCellRenderer {
43
44 private static TableCellRenderer sharedInstance = null;
45 private static Icon defaultDownIcon = new SortArrowIcon(false);
46 private static Icon defaultUpIcon = new SortArrowIcon(true);
47 private static Border defaultMarginBorder = new EmptyBorder (2,2,2,2);
48
49 private Icon downIcon = defaultDownIcon;
50 private Icon upIcon = defaultUpIcon;
51 private JLabel label = new JLabel ("", JLabel.CENTER);
52 private JLabel arrow = new JLabel ((Icon ) null, JLabel.CENTER);
53 private boolean antiAliasedText = false;
54
55 private boolean backgroundSet = false;
56 private boolean foregroundSet = false;
57 private boolean fontSet = false;
58
59 public static TableCellRenderer getSharedInstance() {
60 if (sharedInstance == null) {
61 sharedInstance = new ColumnHeaderRenderer();
62 }
63 return sharedInstance;
64 }
65
66 public ColumnHeaderRenderer() {
67 setLayout(new BorderLayout ());
68 Font boldFont = label.getFont().deriveFont(Font.BOLD);
70 label.setFont(boldFont);
71 label.setOpaque(false);
72 add(label);
73 add(arrow, BorderLayout.EAST);
74 }
75
76 public Component getTableCellRendererComponent(JTable table, Object value,
77 boolean isSelected, boolean hasFocus, int rowIndex, int columnIndex) {
78 label.setText(value == null ? "" : value.toString());
79 JTableHeader header = table.getTableHeader();
80 if (header != null) {
81 if (!foregroundSet) {
84 setForeground(header.getForeground());
85 foregroundSet = false;
86 }
87 if (!backgroundSet) {
88 setBackground(header.getBackground());
89 backgroundSet = false;
90 }
91 if (!fontSet) {
92 setFont(header.getFont());
93 fontSet = false;
94 }
95 }
96 if (table instanceof JXTable) {
97 Sorter sorter = ((JXTable) table).getSorter(columnIndex);
99
100 if (sorter == null) {
101 arrow.setIcon(null);
102 }
103 else {
104 arrow.setIcon(sorter.isAscending() ? upIcon : downIcon);
105 }
106 }
107
108 setBorder(new CompoundBorder (
109 UIManager.getBorder("TableHeader.cellBorder"),
110 defaultMarginBorder));
111 return this;
112 }
113
114 public void setAntiAliasedText(boolean antiAlias) {
115 this.antiAliasedText = antiAlias;
116 }
117
118 public boolean getAntiAliasedText() {
119 return antiAliasedText;
120 }
121
122 public void setBackground(Color background) {
123 backgroundSet = true;
124 super.setBackground(background);
125 }
126
127 public void setForeground(Color foreground) {
128 foregroundSet = true;
129 super.setForeground(foreground);
130 if (label != null) {
131 label.setForeground(foreground);
132 }
133 }
134
135 public void setFont(Font font) {
136 fontSet = true;
137 super.setFont(font);
138 if (label != null) {
139 label.setFont(font);
140 }
141 }
142
143 public void setDownIcon(Icon icon) {
144 this.downIcon = icon;
145 }
146
147 public Icon getDownIcon() {
148 return downIcon;
149 }
150
151 public void setUpIcon(Icon icon) {
152 this.upIcon = icon;
153 }
154
155 public Icon getUpIcon() {
156 return upIcon;
157 }
158
159 public void setHorizontalAlignment(int alignment) {
160 label.setHorizontalAlignment(alignment);
161 }
162
163 public int getHorizontalAlignment() {
164 return label.getHorizontalAlignment();
165 }
166
167 public void setHorizontalTextPosition(int textPosition) {
168 label.setHorizontalTextPosition(textPosition);
169 }
170
171 public int getHorizontalTextPosition() {
172 return label.getHorizontalTextPosition();
173 }
174
175 public void setIcon(Icon icon) {
176 label.setIcon(icon);
177 }
178
179 public Icon getIcon() {
180 return label.getIcon();
181 }
182
183 public void setIconTextGap(int iconTextGap) {
184 label.setIconTextGap(iconTextGap);
185 }
186
187 public int getIconTextGap() {
188 return label.getIconTextGap();
189 }
190
191 public void setVerticalAlignment(int alignment) {
192 label.setVerticalAlignment(alignment);
193 }
194
195 public int getVerticalAlignment() {
196 return label.getVerticalAlignment();
197 }
198
199 public void setVerticalTextPosition(int textPosition) {
200 label.setVerticalTextPosition(textPosition);
201 }
202
203 public int getVerticalTextPosition() {
204 return label.getVerticalTextPosition();
205 }
206
207 public void paint(Graphics g) {
208 if (antiAliasedText) {
209 Graphics2D g2 = (Graphics2D ) g;
210 Object save = g2.getRenderingHint(RenderingHints.
211 KEY_TEXT_ANTIALIASING);
212 g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
213 RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
214
215 super.paint(g2);
216
217 g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, save);
218 } else {
219 super.paint(g);
220 }
221 }
222 }
223 |
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