/**
	 * Clicks on an empty place in a canvas
	 *
	 * @param canvas diagram pane to click on
	 */
	public static void clickInDiagram(JComponentOperator canvas, boolean rightClick)
	{

		int pointCoo = 20;
		Point startPoint = new Point(pointCoo, pointCoo);

		DiagramPresentationElement activeDiagram = Application.getInstance().getProject().getActiveDiagram();

		// run through 1000 pixels
		for (int i = 0; i < 1000; i++)
		{
			PresentationElement element = activeDiagram.getPresentationElementAt(startPoint);
			if (element == null)
			{
				canvas.moveMouse(startPoint.x, startPoint.y);
				if (rightClick)
				{
					canvas.clickForPopup(startPoint.x, startPoint.y);
				}
				else
				{
					canvas.clickMouse(startPoint.x, startPoint.y, 1);
				}
				break;
			}
			else
			{
				pointCoo++;
				startPoint.setLocation(pointCoo, pointCoo);
			}
		}
	}