multiple Component Table 2: checkbox : Grid Table « Swing Components « Java
multiple Component Table 2: checkbox
// Example from http://www.crionics.com/products/opensource/faq/swing_ex/SwingExamples.html
/* (swing1.1beta3) */
import java.awt.Component;
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.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.UIManager;
import javax.swing.event.CellEditorListener;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;
/**
* @version 1.0 11/09/98
*/
class CheckBoxRenderer extends JCheckBox implements TableCellRenderer {
CheckBoxRenderer() {
setHorizontalAlignment(JLabel.CENTER);
}
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
if (isSelected) {
setForeground(table.getSelectionForeground());
//super.setBackground(table.getSelectionBackground());
setBackground(table.getSelectionBackground());
} else {
setForeground(table.getForeground());
setBackground(table.getBackground());
}
setSelected((value != null && ((Boolean) value).booleanValue()));
return this;
}
}
public class MultiComponentTable2 extends JFrame {
public MultiComponentTable2() {
super("MultiComponent Table");
DefaultTableModel dm = new DefaultTableModel() {
public boolean isCellEditable(int row, int column) {
if (column == 0) {
return true;
}
return false;
}
};
dm.setDataVector(new Object[][] {
{ "true", "String", "JLabel", "JComboBox" },
{ "false", "String", "JLabel", "JComboBox" },
{ new Boolean(true), "Boolean", "JCheckBox", "JCheckBox" },
{ new Boolean(false), "Boolean", "JCheckBox", "JCheckBox" },
{ "true", "String", "JLabel", "JTextField" },
{ "false", "String", "JLabel", "JTextField" } }, new Object[] {
"Component", "Data", "Renderer", "Editor" });
CheckBoxRenderer checkBoxRenderer = new CheckBoxRenderer();
EachRowRenderer rowRenderer = new EachRowRenderer();
rowRenderer.add(2, checkBoxRenderer);
rowRenderer.add(3, checkBoxRenderer);
JComboBox comboBox = new JComboBox();
comboBox.addItem("true");
comboBox.addItem("false");
JCheckBox checkBox = new JCheckBox();
checkBox.setHorizontalAlignment(JLabel.CENTER);
DefaultCellEditor comboBoxEditor = new DefaultCellEditor(comboBox);
DefaultCellEditor checkBoxEditor = new DefaultCellEditor(checkBox);
JTable table = new JTable(dm);
// modified by java2s.com
EachRowEditor rowEditor = new EachRowEditor(table);
rowEditor.setEditorAt(0, comboBoxEditor);
rowEditor.setEditorAt(1, comboBoxEditor);
rowEditor.setEditorAt(2, checkBoxEditor);
rowEditor.setEditorAt(3, checkBoxEditor);
// end
table.getColumn("Component").setCellRenderer(rowRenderer);
table.getColumn("Component").setCellEditor(rowEditor);
JScrollPane scroll = new JScrollPane(table);
getContentPane().add(scroll);
setSize(400, 160);
setVisible(true);
}
public static void main(String[] args) {
MultiComponentTable2 frame = new MultiComponentTable2();
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
}
}
/**
* @version 1.0 11/09/98
*/
class EachRowRenderer implements TableCellRenderer {
protected Hashtable renderers;
protected TableCellRenderer renderer, defaultRenderer;
public EachRowRenderer() {
renderers = new Hashtable();
defaultRenderer = new DefaultTableCellRenderer();
}
public void add(int row, TableCellRenderer renderer) {
renderers.put(new Integer(row), renderer);
}
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
renderer = (TableCellRenderer) renderers.get(new Integer(row));
if (renderer == null) {
renderer = defaultRenderer;
}
return renderer.getTableCellRendererComponent(table, value, isSelected,
hasFocus, row, column);
}
}
/**
* 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;
}
}
}
