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1
31
32 package org.antlr.xjlib.appkit.swing;
33
34 import javax.swing.*;
35 import javax.swing.event.ListSelectionEvent  ;
36 import javax.swing.event.ListSelectionListener ;
37 import javax.swing.table.DefaultTableModel ;
38 import java.awt.*;
39 import java.awt.dnd.Autoscroll ;
40
41 public class XJTable extends JTable implements Autoscroll {
42
43 private int margin = 12;
44
45 public XJTableDelegate delegate;
46
47 public int selectionRow = -1;
48 public boolean ignoreSelectionEvent = false;
49
50 public boolean allowEmptySelection = true;
51 public boolean rememberSelection = false;
52 public boolean autoresizeColumn = false;
53
54 public XJTable() {
55 super();
56 init();
57 }
58
59 public XJTable(DefaultTableModel model) {
60 super(model);
61 init();
62 }
63
64 public void init() {
65 getSelectionModel().addListSelectionListener(new ListSelectionListener () {
66 public void valueChanged(ListSelectionEvent e) {
67 if(e.getValueIsAdjusting())
68 return;
69
70 if(!ignoreSelectionEvent) {
71 setSelectedRow(getSelectedRow());
72 if(delegate != null)
73 delegate.tableSelectionChanged(XJTable.this, selectionRow);
74 }
75 }
76 });
77 }
78
79 public void setDelegate(XJTableDelegate delegate) {
80 this.delegate = delegate;
81 }
82
83 public void setAllowEmptySelection(boolean flag) {
84 allowEmptySelection = flag;
85 }
86
87 public void setRememberSelection(boolean flag) {
88 rememberSelection = flag;
89 }
90
91 public void setAutoresizeColumn(boolean flag) {
92 autoresizeColumn = flag;
93 }
94
95 public void setSelectedRow(int row) {
96 if(row == -1 && !allowEmptySelection)
97 row = 0;
98
99 selectionRow = Math.min(row, getRowCount()-1);
100 if(selectionRow >= 0) {
101 setRowSelectionInterval(selectionRow, selectionRow);
102 }
103 }
104
105 public void reload() {
106 ignoreSelectionEvent = true;
107 try {
108 DefaultTableModel model = (DefaultTableModel ) getModel();
109 model.fireTableDataChanged();
110
111 setSelectedRow(selectionRow);
112 } finally {
113 ignoreSelectionEvent = false;
114 }
115 }
116
117 public Insets getAutoscrollInsets() {
118 Rectangle outer = getBounds();
119 Rectangle inner = getParent().getBounds();
120
121 return new Insets(inner.y-outer.y+margin, inner.x-outer.x+margin,
122 outer.height-inner.height+margin,
123 outer.width-inner.width+margin);
124 }
125
126 public void autoscroll(Point point) {
127 int row = rowAtPoint(point);
128 Rectangle outer = getBounds();
129 Rectangle r2 = getCellRect(point.y+outer.y<=margin?row-1:row+1, 0, true);
130 scrollRectToVisible(r2);
131 }
132
133 public void selectLastRow() {
134 setSelectedRow(getRowCount()-1);
135 scrollRectToVisible(getCellRect(getRowCount()-1, 0, true));
136 }
137
138 }
139 |
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