package com.qualityeclipse.genealogy.view;

import org.eclipse.draw2d.*;
import org.eclipse.draw2d.geometry.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;



public class main {
	
	public static void main(String[] args) {
		Shell shell= new Shell(new Display());
		shell.setSize(420, 380);
		shell.setText("DTFParametereingabe");
		shell.setLayout(new GridLayout());
		
		Canvas canvas = createDiagram(shell);
		canvas.setLayoutData(new GridData(GridData.FILL_BOTH));
		
		Display display = shell.getDisplay();
		shell.open();
		while (!shell.isDisposed()) {
			while (!display.readAndDispatch()) {
				display.sleep();
			}
		}
	}
	
	
	
	private static Canvas createDiagram(Composite parent) {
		
		Figure root = new Figure();//root Figure und simples Layout erzeugen 
		root.setFont(parent.getFont()); //setze Font für root Figure, dass jedes Lable korrekt kalkuliert wird
		
		XYLayout layout = new XYLayout();
		root.setLayoutManager(layout);
		
		Canvas canvas = new Canvas(parent, SWT.DOUBLE_BUFFERED);//canvas erzeugen um root Figur zu erzeugen
		canvas.setBackground(ColorConstants.white); // Hintergrundfarbe bestimmen
		LightweightSystem lws = new LightweightSystem(canvas);
		lws.setContents(root);
		return canvas;
	}

}