spsscrollbarui.java

来自「打印管理程序,测试完全通过.windows开发环境.」· Java 代码 · 共 46 行

package jp.co.ntl.swing.ext;

import java.awt.Dimension;

import javax.swing.JComponent;
import javax.swing.JButton;
import javax.swing.JScrollBar;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicScrollBarUI;
import javax.swing.plaf.basic.BasicArrowButton;

public class SPSScrollBarUI extends BasicScrollBarUI {
	public static final int		SIZE	= 50;
	
	public static ComponentUI createUI(JComponent c) {
		return new SPSScrollBarUI();
	}
	
	private class MyArrowButton extends BasicArrowButton {
		/**
		 * 
		 */
		private static final long serialVersionUID = 1L;

		public MyArrowButton(int orientation) {
			super(orientation);
		}
		
		public Dimension getPreferredSize() {
			return new Dimension(SIZE, SIZE);
		}
	}
	
	protected JButton createDecreaseButton(int orientation) {
		return new MyArrowButton(orientation);
	}
	
	protected JButton createIncreaseButton(int orientation) {
		return new MyArrowButton(orientation);
	}
	
	public Dimension getPreferredSize(JComponent c) {
		return (scrollbar.getOrientation() == JScrollBar.VERTICAL) ? new Dimension(SIZE, 48) : new Dimension(48, SIZE);
	}
}