archive/plugins/org.eclipse.app4mc.multicore.execution.ui.widget/src/org/eclipse/app4mc/multicore/execution/ui/widget/eventcanves/SimpleEventChain.java

/*******************************************************************************
 * Copyright (c) 2017, 2019 Dortmund University of Applied Sciences and Arts and others.
 *
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 *  
 * SPDX-License-Identifier: EPL-2.0
 *  
 * Contributors:
 *   Dortmund University of Applied Sciences and Arts - initial API and implementation
 *******************************************************************************/

package org.eclipse.app4mc.multicore.execution.ui.widget.eventcanves;

import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.paint.Color;

public class SimpleEventChain implements EventCanvas {

	private Canvas canvas;
	private int elements;
	GraphicsContext gc;
	String runableName[];

	double x = 10;
	double y = 10;
	double w = 90;
	double h = 30;
	int scale = 200;


	public SimpleEventChain(String runableName[]) {
		this.runableName = runableName;
		this.elements = runableName.length;
	}

	private void prepare() {
		canvas = new Canvas(elements * scale, 150);
		gc = canvas.getGraphicsContext2D();
		gc.setFill(Color.GRAY);

		for (int i = 0; i < elements; i++) {
			if (i != elements - 1) {
				gc.setStroke(Color.BLACK);
				gc.setLineWidth(5);
				gc.strokeLine((x + w + (i * scale)), y + 15, x + w + (i * scale) + (scale - w), y + 15);

				gc.strokeLine((x + w + (i * scale)) + ((scale - w)) * 0.66, y + 8, x + w + (i * scale) + (scale - w),
						y + 15);
				gc.strokeLine((x + w + (i * scale)) + ((scale - w)) * 0.66, y + 22, x + w + (i * scale) + (scale - w),
						y + 15);


			}
			gc.fillRect(x + (i * scale), y, w, h);

			gc.setStroke(Color.BLACK);
			gc.setLineWidth(1);
			gc.strokeText(runableName[i], (x + (i * scale)), y + h + 15, scale - 5);
		}
	}

	@Override
	public Canvas getCanvas() {
		prepare();
		return canvas;
	}

}