super("Simple JTable Test");
setSize(300, 200);
addWindowListener(new BasicWindowMonitor());
TableModel tm = new AbstractTableModel() {
String data[] = {"", "a", "b", "c", "d", "e"};
String headers[] = {"", "Column 1", "Column 2", "Column 3",
"Column 4", "Column 5"};
public int getColumnCount() { return data.length; }
public int getRowCount() { return 1000; }
public String getColumnName(int col) { return headers[col]; }
// Synthesize some entries using the data values & the row #
public Object getValueAt(int row, int col) {
return data[col] + row;
}
};
// Create a column model for the main table. This model ignores the first
// column added, and sets a minimum width of 150 pixels for all others.
TableColumnModel cm = new DefaultTableColumnModel() {
boolean first = true;
public void addColumn(TableColumn tc) {
// Drop the first column . . . that'll be the row header
if (first) { first = false; return; }
tc.setMinWidth(150);
super.addColumn(tc);
}
};
// Create a column model that will serve as our row header table. This
// model picks a maximum width and only stores the first column.
TableColumnModel rowHeaderModel = new DefaultTableColumnModel() {
boolean first = true;
public void addColumn(TableColumn tc) {
if (first) {
tc.setMaxWidth(35);
super.addColumn(tc);
first = false;
}
// Drop the rest of the columns . . . this is the header column only
}
};
JTable jt = new JTable(tm, cm);
// Set up the header column and get it hooked up to everything
JTable headerColumn = new JTable(tm, rowHeaderModel);
jt.createDefaultColumnsFromModel();
headerColumn.createDefaultColumnsFromModel();
// Make sure that selections between the main table and the header stay
// in sync (by sharing the same model)
jt.setSelectionModel(headerColumn.getSelectionModel());
// Make the header column look pretty
headerColumn.setMaximumSize(new Dimension(40, 10000));
headerColumn.setBackground(Color.lightGray);
// If you want to make the header selection invisible, uncomment this
// next line:
// headerColumn.setSelectionBackground(Color.lightGray);
headerColumn.setColumnSelectionAllowed(false);
headerColumn.setCellSelectionEnabled(false);
// Put it in a viewport that we can control a bit
JViewport jv = new JViewport();
jv.setView(headerColumn);
jv.setPreferredSize(headerColumn.getMaximumSize());
// With out shutting off autoResizeMode, our tables won't scroll
// correctly (horizontally, anyway)
jt.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
headerColumn.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
// We have to manually attach the row headers, but after that, the scroll
// pane keeps them in sync
JScrollPane jsp = new JScrollPane(jt);
jsp.setRowHeader(jv);
getContentPane().add(jsp, BorderLayout.CENTER);
