extends DefaultCellEditor : JTable Renderer Editor « Swing « Java Tutorial

1. Java Tutorial
2. Swing
3. JTable Renderer Editor

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Font;

import javax.swing.DefaultCellEditor;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.table.DefaultTableModel;

public class DefaultCellEditorJTextFieldAlignment extends JFrame {
  DefaultTableModel model = new DefaultTableModel(new Object[][] { { "some", "text" },
      { "any", "text" }, { "even", "more" }, { "text", "strings" }, { "and", "other" },
      { "text", "values" } }, new Object[] { "Column 1", "Column 2" });

  public DefaultCellEditorJTextFieldAlignment() {
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTable table = new JTable(model);
    table.setDefaultEditor(Object.class, new MyEditor());
    getContentPane().add(new JScrollPane(table), BorderLayout.CENTER);
    pack();
  }

  public static void main(String arg[]) {
    new DefaultCellEditorJTextFieldAlignment().setVisible(true);
  }
}

class MyEditor extends DefaultCellEditor {
  public MyEditor() {
    super(new JTextField());
  }

  public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected,
      int row, int column) {
    JTextField editor = (JTextField) super.getTableCellEditorComponent(table, value, isSelected,
        row, column);

    if (value != null)
      editor.setText(value.toString());
    if (column == 0) {
      editor.setHorizontalAlignment(SwingConstants.CENTER);
      editor.setFont(new Font("Serif", Font.BOLD, 14));
    } else {
      editor.setHorizontalAlignment(SwingConstants.RIGHT);
      editor.setFont(new Font("Serif", Font.ITALIC, 12));
    }
    return editor;
  }
}

14.60.JTable Renderer Editor
	14.60.1.	Get Default cell Renderer
	14.60.2.	Get Default Cell Editor
	14.60.3.	Default Editors and Renderers
	14.60.4.	Rendering Table Cells: To install the renderer as the default renderer for the JTable for Object.class
	14.60.5.	implements TableCellRenderer
	14.60.6.	extends DefaultCellEditor
	14.60.7.	Cell Renderer for the Gender Column
	14.60.8.	Demonstrates the editable property of Swing tables.
	14.60.9.	An Editor for the Gender Column
	14.60.10.	ColorChooserEditor
	14.60.11.	Using a JComboBox in a Cell in a JTable Component
	14.60.12.	Editing Table Cells: JComboBox As Table Cell Renderer
	14.60.13.	Using a List JSpinner as a Cell Editor in a JTable Component
	14.60.14.	Using default Boolean value cell editor and renderer
	14.60.15.	Creating a Class-Based Custom Cell Renderer in a JTable Component
	14.60.16.	Creating a Custom Cell Renderer in a JTable Component
	14.60.17.	Preventing Invalid Values in a Cell in a JTable Component
	14.60.18.	Using Built-In Cell Renderers and Editors in a JTable Component
	14.60.19.	Save the current value in the cell being edited and stops the editing process
	14.60.20.	Discard any changes made by the user and stops the editing process