checkboxfigure.java

基于eclipse的工具开发代码

package com.cownew.uidesigner.components.checkbox;

import java.io.InputStream;

import org.eclipse.draw2d.Figure;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.Label;
import org.eclipse.draw2d.PositionConstants;
import org.eclipse.swt.graphics.Image;

import com.cownew.ctk.io.ResourceUtils;

public class CheckBoxFigure extends Figure
{
	private Label label;

	private boolean selected;

	private String text;

	static final Image UNCHECKED = createImage("off.gif");

	static final Image CHECKED = createImage("on.gif");

	private static Image createImage(String name)
	{
		InputStream stream = (CheckBoxFigure.class).getResourceAsStream(name);
		Image image = new Image(null, stream);
		ResourceUtils.close(stream);
		return image;
	}

	public CheckBoxFigure()
	{
		super();
		label = new Label();
		label.setLabelAlignment(PositionConstants.LEFT);
		add(label);
	}

	public void setText(String text)
	{
		this.text = text;
		this.repaint();
	}

	public void setSelected(boolean selected)
	{
		this.selected = selected;

		this.repaint();
	}

	protected void paintFigure(Graphics g)
	{
		super.paintFigure(g);
		label.setBounds(getBounds());
		label.setIcon(selected ? CHECKED : UNCHECKED);
		label.setText(text);
	}
}