» Swing Problem bei SplitPane - Panel mit Graphics und Affine Transform

import java.awt.Color;
import java.awt.Dimension;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JSplitPane;

import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.geom.AffineTransform;


public class TestSplitPane
{

	public static void main(String[] args)
	{
		TestSplitPane xxx = new TestSplitPane();
		xxx.buildFrame();

	}
	
	void buildFrame()
	{
		JFrame frm =new JFrame();
		frm.setTitle("Test JSplitPane");
		
		JPanel pnlLeft = new JPanel();
		pnlLeft.setBackground(Color.WHITE);
		JPanel pnlRight = new RightPanel().getPanel();
		
		JSplitPane split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
		split.setOneTouchExpandable(true);  //True Trennbalken hat Pfeile
		split.setContinuousLayout(true);	//True Komponeneten werden fortlaufend gezeichnet
		split.setDividerLocation(100);
		split.setLeftComponent(pnlLeft);
		split.setRightComponent(pnlRight);
		frm.add(split);
		frm.setSize( new Dimension(300,300) );
		frm.setVisible(true);
	}//buildFrame

	class RightPanel extends JPanel
	{
		private AffineTransform afftransfMain = new AffineTransform();
		//JPanel pnl = new JPanel();
		public RightPanel()
		{
			this.setBackground(Color.LIGHT_GRAY);
		}
		
		public JPanel getPanel()
		{
			return this;
		}
				
		public void paintComponent (Graphics g)
		{
			super.paintComponent(g);
			Graphics2D g2= (Graphics2D)g;
			g2.setTransform(afftransfMain);//Hier liegt das Problem
			g2.setColor(Color.blue);
			g2.drawRect(150, 10, 30, 30);
		}
			
	}//class RightPanel
}//class TestSplitPane

Mach mit!