AutoLayoutTest.java

package bibliothek.test.layout;

import java.awt.EventQueue;
import java.lang.reflect.InvocationTargetException;
import java.util.Random;

import bibliothek.gui.Dockable;
import bibliothek.gui.dock.common.CContentArea;
import bibliothek.gui.dock.common.CControl;
import bibliothek.gui.dock.common.CGrid;
import bibliothek.gui.dock.common.DefaultSingleCDockable;

public class AutoLayoutTest {
	
	public static void main( String[] args ) throws InterruptedException, InvocationTargetException{
		CControl control = new CControl();
		final Item[] items = new Item[10];
		for( int i = 0; i < items.length; i++ ){
			items[i] = new Item( String.valueOf( i ) );
			control.addDockable( items[i] );
		}
		CContentArea area = control.getContentArea();
		
		CGrid grid = new CGrid();
		for( int i = 0; i < items.length; i++ ){
			switch( i % 4 ){
				case 0:
					grid.add( 0, 0, 1, 1, items[i] );
					break;
				case 1:
					grid.add( 0, 1, 1, 1, items[i] );
					break;
				case 2:
					grid.add( 1, 0, 1, 1, items[i] );
					break;
				case 3:
					grid.add( 1, 1, 1, 1, items[i] );
					break;
			}
		}
		area.deploy( grid );
		
		EventQueue.invokeAndWait( new Runnable(){
			public void run(){
				Random random = new Random( 123 );
				for( int i = 0; i < 100000; i++ ){
					int index = random.nextInt() % items.length;
					index = (index+items.length) % items.length;
					boolean state = random.nextBoolean();
					
					int count = 0;
					for( Item item : items ){
						if( item.isVisible() ){
							count++;
						}
					}
					
					System.out.println( i + ": " + count );
					items[index].setVisible( state );
					items[index].test();
				}	
			}
		});
	}
	
	private static class Item extends DefaultSingleCDockable{
		private boolean expected = false;
		
		public Item( String id ){
			super( id );
			setTitleText( id );
		}
		
		@Override
		public void setVisible( boolean visible ){
			super.setVisible( visible );
			expected = visible;
		}
		
		public void test(){
			if( isVisible() != expected ){
				throw new IllegalStateException();
			}
			if( expected ){
				Dockable dockable = intern();
				if( dockable.getDockParent() == null ){
					throw new IllegalStateException();
				}
			}
			else{
				Dockable dockable = intern();
				if( dockable.getDockParent() != null ){
					throw new IllegalStateException();
				}
			}
		}
	}
}