mycellediter.java

来自「java绘图 java awt 经典绘图的例子,对于初学awt模块的人非常有帮助」· Java 代码 · 共 53 行

/*
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 * and open the template in the editor.
 */
package swing;

import java.awt.Color;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.DefaultCellEditor;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JColorChooser;
import javax.swing.JTable;

/**
 *
 * @author zhaolin
 */
public class MyCellEditer extends DefaultCellEditor {

    public MyCellEditer(JButton button) {
        super(new JCheckBox());
        editorComponent = button;
        button.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                JColorChooser jcc = new JColorChooser();
                Color newColor = jcc.showDialog(editorComponent.getTopLevelAncestor(), "选择颜色", editorComponent.getBackground());
                if (newColor != null) {
                    editorComponent.setBackground(newColor);
                }
                fireEditingStopped();
            }
        });
    }

    @Override
    public Component getTableCellEditorComponent(final JTable table, Object value, boolean isSelected, final int row, final int column) {
        final Color c = (Color) value;
        JButton button = (JButton) editorComponent;
        button.setBackground(c);
        return button;
    }

    @Override
    public Object getCellEditorValue() {
        JButton button = (JButton) editorComponent;
        return button.getBackground();
    }
}