package test01.test;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class MyLayout {

	public static void main (String [] args) {
		Display display = new Display ();
		Shell shell = new Shell (display);
		shell.setLayout(new FillLayout());
		
		Point size = new Point(2550, 7200);
		
		ScrolledComposite sc = new ScrolledComposite(shell, SWT.H_SCROLL | SWT.V_SCROLL);
		sc.setLayout (new FillLayout());
		
		Composite content = new Composite(sc, SWT.NONE);
		content.setLayout(new FormLayout());

		int n = 830;
		int w = size.x - 100;
		int h = size.y - 100;

		FormData data;
		Text text;
		Label label;
		for (int i=0; i<n; i++) {
			text = new Text (content, SWT.BORDER);
			text.setText ("value " + i);
			data = new FormData ();
			data.left = new FormAttachment(0, (int) (Math.random()*w));
			data.top = new FormAttachment(0, (int) (Math.random()*h));
			text.setLayoutData (data);
			if (i < 540) {
				label = new Label(content, SWT.BORDER);
				label.setText("dim");
				data = new FormData ();
				data.bottom = new FormAttachment(text, 0, SWT.BOTTOM);
				data.left = new FormAttachment(text, 0, SWT.RIGHT);
				label.setLayoutData(data);
			}
		}
		
		content.setSize(size);
		sc.setContent(content);
		
		shell.setSize(800, 600);
		shell.open ();

		while (!shell.isDisposed ()) {
			if (!display.readAndDispatch ())
				display.sleep ();
		}
		display.dispose ();
	}	
}