Each Row with different Editor Example : Grid Table « Swing Components « Java
Each Row with different Editor Example
// Example from http://www.crionics.com/products/opensource/faq/swing_ex/SwingExamples.html
/* (swing1.1.1) */
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.EventObject;
import java.util.Hashtable;
import javax.swing.DefaultCellEditor;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.event.CellEditorListener;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellEditor;
/**
* @version 1.1 09/09/99
*/
public class EachRowEditorExample extends JFrame {
public EachRowEditorExample() {
super("EachRow Editor Example");
DefaultTableModel dm = new DefaultTableModel();
dm.setDataVector(new Object[][] { { "Name", "MyName" },
{ "Gender", "Male" } }, new Object[] { "Column1", "Column2" });
JTable table = new JTable(dm);
JComboBox comboBox = new JComboBox();
comboBox.addItem("Male");
comboBox.addItem("Female");
comboBox.addComponentListener(new ComponentAdapter() {
public void componentShown(ComponentEvent e) {
final JComponent c = (JComponent) e.getSource();
SwingUtilities.invokeLater(new Runnable() {
public void run() {
c.requestFocus();
System.out.println(c);
if (c instanceof JComboBox) {
System.out.println("a");
}
}
});
}
});
EachRowEditor rowEditor = new EachRowEditor(table);
rowEditor.setEditorAt(1, new DefaultCellEditor(comboBox));
table.getColumn("Column2").setCellEditor(rowEditor);
JScrollPane scroll = new JScrollPane(table);
getContentPane().add(scroll, BorderLayout.CENTER);
setSize(400, 100);
setVisible(true);
}
public static void main(String[] args) {
EachRowEditorExample frame = new EachRowEditorExample();
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
}
}
/**
* each row TableCellEditor
*
* @version 1.1 09/09/99
* @author Nobuo Tamemasa
*/
class EachRowEditor implements TableCellEditor {
protected Hashtable editors;
protected TableCellEditor editor, defaultEditor;
JTable table;
/**
* Constructs a EachRowEditor. create default editor
*
* @see TableCellEditor
* @see DefaultCellEditor
*/
public EachRowEditor(JTable table) {
this.table = table;
editors = new Hashtable();
defaultEditor = new DefaultCellEditor(new JTextField());
}
/**
* @param row
* table row
* @param editor
* table cell editor
*/
public void setEditorAt(int row, TableCellEditor editor) {
editors.put(new Integer(row), editor);
}
public Component getTableCellEditorComponent(JTable table, Object value,
boolean isSelected, int row, int column) {
//editor = (TableCellEditor)editors.get(new Integer(row));
//if (editor == null) {
// editor = defaultEditor;
//}
return editor.getTableCellEditorComponent(table, value, isSelected,
row, column);
}
public Object getCellEditorValue() {
return editor.getCellEditorValue();
}
public boolean stopCellEditing() {
return editor.stopCellEditing();
}
public void cancelCellEditing() {
editor.cancelCellEditing();
}
public boolean isCellEditable(EventObject anEvent) {
selectEditor((MouseEvent) anEvent);
return editor.isCellEditable(anEvent);
}
public void addCellEditorListener(CellEditorListener l) {
editor.addCellEditorListener(l);
}
public void removeCellEditorListener(CellEditorListener l) {
editor.removeCellEditorListener(l);
}
public boolean shouldSelectCell(EventObject anEvent) {
selectEditor((MouseEvent) anEvent);
return editor.shouldSelectCell(anEvent);
}
protected void selectEditor(MouseEvent e) {
int row;
if (e == null) {
row = table.getSelectionModel().getAnchorSelectionIndex();
} else {
row = table.rowAtPoint(e.getPoint());
}
editor = (TableCellEditor) editors.get(new Integer(row));
if (editor == null) {
editor = defaultEditor;
}
}
}
