checkboxeditor.java

来自「mymp3的运行程序的源代码」· Java 代码 · 共 87 行

/*
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 */

package mymp3.pp;

import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.EventObject;
import javax.swing.JCheckBox;
import javax.swing.JTable;
import javax.swing.event.CellEditorListener;
import javax.swing.table.TableCellEditor;

/**
 *
 * @author huliqing
 */
public class CheckBoxEditor extends JCheckBox implements TableCellEditor{
    
    public CheckBoxEditor() {
        super();
        addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                fireEditingStopped();
            }
        });
    }

    public Component getTableCellEditorComponent(JTable table, 
            Object value, 
            boolean isSelected, 
            int row, int column) {
        setForeground(table.getSelectionForeground());
        setBackground(table.getSelectionBackground());
        setSelected((Boolean)value);
        return this;
    }

    public Object getCellEditorValue() {
        return this.isSelected();
    }

    public boolean isCellEditable(EventObject anEvent) {
        return true;
    }

    public boolean shouldSelectCell(EventObject anEvent) {
        return true;
    }

    public boolean stopCellEditing() {
        fireEditingStopped();
        return true;
    }

    public void cancelCellEditing() {
        fireEditingStopped();
    }

    public void addCellEditorListener(CellEditorListener l) {
        this.listenerList.add(CellEditorListener.class, l);
    }

    public void removeCellEditorListener(CellEditorListener l) {
        this.listenerList.remove(CellEditorListener.class, l);
    }
    
    protected void fireEditingStopped() {
        CellEditorListener list;
        Object[] lists = listenerList.getListenerList();
        for (int i = 0; i < lists.length; i++) {
            if (lists[i] == CellEditorListener.class) {
                list = (CellEditorListener) lists[i + 1];
                list.editingStopped(changeEvent);
            }
        }
    }
    
    protected void fireEditingCanceled() {
        fireEditingStopped();
    }
    
}