org.eclipse.opencert.gsn.figures/src/org/eclipse/opencert/gsn/figures/GSNContext.java

/*******************************************************************************
 * Copyright (c) 2016 Fundación Tecnalia Research & Innovation and KPIT Technologies.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *   Huascar Espinoza(Tecnalia) - initial API and implementation
 *   Alejandra Ruíz(Tecnalia) - initial API and implementation
 *   Idoya Del Río(Tecnalia) - initial API and implementation
 *   Mari Carmen Palacios(Tecnalia) - initial API and implementation
 *   Angel López(Tecnalia) - initial API and implementation
 *   Jan Mauersberger(KPIT)- LayoutUtil implementation
 *   Sascha Baumgart(KPIT)- LayoutUtil implementation
 *******************************************************************************/
package org.eclipse.opencert.gsn.figures;

import org.eclipse.draw2d.Figure;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.PointList;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gmf.runtime.draw2d.ui.figures.WrappingLabel;

public class GSNContext extends Figure{

	//says if the element is related with any entity abstraction extension
	private  int shape;
	//sets the visibility of the element
	private boolean visibility;
	
	public GSNContext(){
		this.setShape(0);
		this.setVisibility(false);
		this.setMinimumSize(new Dimension(80,60));

		
	}
	@Override
	public void paint(Graphics graphics) {
		
		Rectangle r = getBounds();
		if(visibility){
			Point p1=new Point(r.x+15*r.width/18,r.y+3*r.height/18);
			Point p2=new Point(r.x+16*r.width/18,r.y+3*r.height/18);
			Point p3=new Point(r.x+16*r.width/18,r.y+4*r.height/18);
			Point p4=new Point(r.x+15*r.width/18,r.y+4*r.height/18);
			Point p5 =new Point(r.x+17*r.width/18,r.y+4*r.height/18);
			Point p6=new Point(r.x+15*r.width/18,r.y+6*r.height/18);
			Point p7=new Point(r.x+17*r.width/18,r.y+6*r.height/18);
			PointList pointList = new PointList();
			pointList.addPoint(p1);
			pointList.addPoint(p2);
			pointList.addPoint(p3);
			pointList.addPoint(p4);
			pointList.addPoint(p5);
			pointList.addPoint(p6);
			pointList.addPoint(p7);
			// Fill the shape
			graphics.fillPolygon(pointList);
			
			// Draw the outline
			graphics.setLineWidth(1);

			graphics.drawLine(p1, p2);
			graphics.drawLine(p2, p3);
			graphics.drawLine(p1, p4);
			graphics.drawLine(p4, p5);
			graphics.drawLine(p5, p7);
			graphics.drawLine(p6, p7);
			graphics.drawLine(p6, p4);

		}
		
		graphics.setLineWidth(0);	
		if (getShape()==0){
			graphics.drawRoundRectangle(r, r.width/4, r.height/4);
		}
		else{
			Rectangle r2=new Rectangle(r.x,r.y,r.width,3*r.height/4);
			graphics.drawRoundRectangle(r2, r.width/4, r.height/4);
			Point p5 = new Point(r.x+r.width/2, r.y+3*r.height/4);
			Point p6 = new Point(r.x + 5*r.width/8, r.y+7*r.height/8);
			Point p7 = new Point(r.x+r.width/2, r.y + r.height);
			Point p8 = new Point(r.x + 3*r.width/8, r.y + 7*r.height/8);		
			PointList pointList = new PointList();
			pointList.addPoint(p5);
			pointList.addPoint(p6);
			pointList.addPoint(p7);
			pointList.addPoint(p8);	
			// Fill the shape
			graphics.fillPolygon(pointList);
			
			// Draw the outline
			graphics.drawLine(p5, p6);
			graphics.drawLine(p6, p8);
			graphics.drawLine(p5, p8);
		}
		// Move the first label to the center of the parallelogram
		WrappingLabel label = (WrappingLabel) getChildren().get(0);
		LayoutUtil.moveToCenterAndUp(label, this, graphics);
		label.paint(graphics);
		// Move the second label to the center of the parallelogram
		label = (WrappingLabel) getChildren().get(1);
		LayoutUtil.moveToCenterAndDown(label, this, graphics);
		label.paint(graphics);
	}	
	public  void setShape(int shape) {
		this.shape = shape;
	}
	public  int getShape() {
		return shape;
	}
	public void setVisibility(boolean p) {
		this.visibility = p;
	}
	public boolean getVisibility() {
		return visibility;
	}
}