Mega Code Archive
Listening to JTable Events with a TableColumnModelListener
<![CDATA[
The listener will be notified of any addition, removal,
movement, or selection of columns, or changing of column margins.
public interface TableColumnModelListener extends EventListener {
public void columnAdded(TableColumnModelEvent e);
public void columnMarginChanged(ChangeEvent e);
public void columnMoved(TableColumnModelEvent e);
public void columnRemoved(TableColumnModelEvent e);
public void columnSelectionChanged(ListSelectionEvent e);
}
TableColumnModelListener tableColumnModelListener =
new TableColumnModelListener() {
public void columnAdded(TableColumnModelEvent e) {
System.out.println("Added");
}
public void columnMarginChanged(ChangeEvent e) {
System.out.println("Margin");
}
public void columnMoved(TableColumnModelEvent e) {
System.out.println("Moved");
}
public void columnRemoved(TableColumnModelEvent e) {
System.out.println("Removed");
}
public void columnSelectionChanged(ListSelectionEvent e) {
System.out.println("Selected");
}
};
import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.TableColumnModelEvent;
import javax.swing.event.TableColumnModelListener;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;
public class ColumnModelSample {
public static void main(String args[]) {
final Object rows[][] = { { "one", "1" }, { "two", "2" }, { "three", "3" } };
final Object headers[] = { "English", "#" };
JFrame frame = new JFrame("Scrollless Table");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JTable table = new JTable(rows, headers);
TableColumnModelListener tableColumnModelListener = new TableColumnModelListener() {
public void columnAdded(TableColumnModelEvent e) {
System.out.println("Added");
}
public void columnMarginChanged(ChangeEvent e) {
System.out.println("Margin");
}
public void columnMoved(TableColumnModelEvent e) {
System.out.println("Moved");
}
public void columnRemoved(TableColumnModelEvent e) {
System.out.println("Removed");
}
public void columnSelectionChanged(ListSelectionEvent e) {
System.out.println("Selection Changed");
}
};
TableColumnModel columnModel = table.getColumnModel();
columnModel.addColumnModelListener(tableColumnModelListener);
columnModel.setColumnMargin(12);
TableColumn column = new TableColumn(1);
columnModel.addColumn(column);
JScrollPane pane = new JScrollPane(table);
frame.add(pane, BorderLayout.CENTER);
frame.setSize(300, 150);
frame.setVisible(true);
}
}
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