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1 package prefuse.util.ui;
2
3 import javax.swing.JFrame  ;
4 import javax.swing.JScrollPane ;
5 import javax.swing.JTable ;
6 import javax.swing.event.TableModelEvent ;
7 import javax.swing.event.TableModelListener ;
8 import javax.swing.table.DefaultTableCellRenderer ;
9 import javax.swing.table.TableCellRenderer ;
10 import javax.swing.table.TableModel ;
11
12 import prefuse.data.Table;
13 import prefuse.data.event.EventConstants;
14 import prefuse.data.event.TableListener;
15 import prefuse.util.StringLib;
16 import prefuse.util.collections.CopyOnWriteArrayList;
17 import prefuse.util.collections.IntIterator;
18 import prefuse.visual.VisualTable;
19
20
26 public class JPrefuseTable extends JTable {
27
28 private Table m_table;
29 private TableCellRenderer m_tcr = new DefaultTableCellRenderer ();
30
31
35 public JPrefuseTable(Table t) {
36 super();
37 m_table = t;
38
39 PrefuseTableModel model = new PrefuseTableModel();
40 super.setModel(model);
41 m_table.addTableListener(model);
42 }
43
44
48 public Table getTable() {
49 return m_table;
50 }
51
52
56 public TableCellRenderer getCellRenderer(int r, int c) {
57 return m_tcr;
58 }
59
60
62
66 public class PrefuseTableModel implements TableModel , TableListener {
67
68 private CopyOnWriteArrayList m_listeners = new CopyOnWriteArrayList();
69 private int[] m_rowmap;
70
71
75 private void initRowMap() {
76 m_rowmap = new int[m_table.getRowCount()];
77 IntIterator rows = m_table.rows();
78 for ( int i=0; rows.hasNext(); ++i ) {
79 m_rowmap[i] = rows.nextInt();
80 }
81 }
82
83
88 private int getRow(int rowIndex) {
89 if ( m_rowmap == null )
90 initRowMap();
91 return m_rowmap[rowIndex];
92 }
93
94
96
99 public int getColumnCount() {
100 return m_table.getColumnCount();
101 }
102
105 public int getRowCount() {
106 return m_table.getRowCount();
107 }
108
111 public boolean isCellEditable(int rowIndex, int columnIndex) {
112 return m_table.isCellEditable(rowIndex, columnIndex);
113 }
114
117 public Class getColumnClass(int columnIndex) {
118 return m_table.getColumnType(columnIndex);
119 }
120
123 public Object getValueAt(int rowIndex, int columnIndex) {
124 Object o = m_table.get(getRow(rowIndex), columnIndex);
125 if ( o != null && o.getClass().isArray() ) {
126 return StringLib.getArrayString(o);
127 } else {
128 return o;
129 }
130 }
131
134 public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
135 m_table.set(getRow(rowIndex), columnIndex, aValue);
136 }
137
140 public String getColumnName(int columnIndex) {
141 return m_table.getColumnName(columnIndex);
142 }
143
144
146
149 public void addTableModelListener(TableModelListener l) {
150 m_listeners.add(l);
151 }
152
155 public void removeTableModelListener(TableModelListener l) {
156 m_listeners.remove(l);
157 }
158
159
162 public void tableChanged(Table t, int start, int end, int col, int type) {
163 if ( type == EventConstants.INSERT || type == EventConstants.DELETE )
164 m_rowmap = null;
166 Object [] lstnrs = m_listeners.getArray();
167 if ( lstnrs.length == 0 )
168 return;
169
170 TableModelEvent evt
171 = new TableModelEvent (this, start, end, col, type);
172 for ( int i=0; i<lstnrs.length; ++i ) {
173 ((TableModelListener )lstnrs[i]).tableChanged(evt);
174 }
175 }
176
177 }
179
181
187 public static JFrame showTableWindow(Table t) {
188 JPrefuseTable table = new JPrefuseTable(t);
189 String title = t.toString();
190 if ( t instanceof VisualTable ) {
191 title = ((VisualTable)t).getGroup() + " " + title;
192 }
193 JFrame frame = new JFrame (title);
194 frame.getContentPane().add(new JScrollPane (table));
195 frame.pack();
196 frame.setVisible(true);
197 return frame;
198 }
199
200 } |
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