archive/plugins/org.eclipse.app4mc.multicore.execution.ui.widget/src/org/eclipse/app4mc/multicore/execution/ui/widget/gantt/elements/DataFlowArrowViewElement.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.gantt.elements;

import javafx.event.EventHandler;
import javafx.scene.Cursor;
import javafx.scene.control.Tooltip;
import javafx.scene.input.MouseEvent;
import javafx.scene.paint.Color;
import javafx.scene.shape.CubicCurve;
import javafx.scene.shape.Line;
import org.eclipse.app4mc.multicore.execution.ui.widget.comunication.ComUtil;
import org.eclipse.app4mc.multicore.execution.ui.widget.gantt.FXGanttWidget;
import org.eclipse.app4mc.multicore.execution.ui.widget.tracewidget.TraceWidget;

public class DataFlowArrowViewElement extends ArrowElement {

	private static final int HEIGT_ADDITION = 3;

	private CubicCurve cubic;
	private Line p1, p2;

	private double height;
	private long index1, index2, cals;
	private String tooltipTxt = "";

	public DataFlowArrowViewElement(String style, long index1, long index2, long cals, TraceWidget.ArrowTooltip model) {

		super(style, new DurationModelElement(index1, 1,
				model.getTask2() + " to " + model.getTask1() + " \n" + model.getLabel()), model, false);

		Color main = Color.BLACK;
		Double strokeSize = 2.0;
		this.index1 = index1;
		this.index2 = index2;
		this.cals = cals;
		this.setPickOnBounds(false);
		cubic = new CubicCurve();
		cubic.setStroke(main);
		cubic.setStrokeWidth(2.0);
		cubic.setFill(null);
		cubic.setStyle(": ");

		tooltipTxt = "Time: " + model.getStart() + " to " + (model.getStart() + model.getTime()) + "\nInfo: "
				+ model.getTask2() + " to " + model.getTask1() + "\n" + "[Left Click] - Get more information" + "\n"
				+ "[Right Click] - Move selected item to front";
		Tooltip t = new Tooltip(tooltipTxt);


		p1 = new Line();
		// p1.setStrokeWidth(2.0);
		p1.setStroke(main);

		p2 = new Line();
		p2.setStrokeWidth(2.0);
		p2.setStroke(main);


		getChildren().addAll(cubic);
		getChildren().addAll(p1);
		getChildren().addAll(p2);
		EventHandler<MouseEvent> handler = event -> {
			switch (event.getButton()) {
				case SECONDARY:
					DataFlowArrowViewElement.this.toFront();
					break;
				case PRIMARY:
					ComUtil.PopUpTable("Data Propagation", model.getTask2() + " to " + model.getTask1(),
							"Time: " + model.getStart() + " to " + (model.getStart() + model.getTime()),
							model.getLabel());
					break;
			}
		};

		getChildren().forEach(node -> {

			Tooltip.install(node, t);
			node.setCursor(Cursor.HAND);
			node.setOnMouseClicked(handler);


			node.addEventHandler(MouseEvent.MOUSE_ENTERED, e -> {
				cubic.setStroke(Color.RED);
				p1.setStroke(Color.RED);
				p2.setStroke(Color.RED);
			});

			node.addEventHandler(MouseEvent.MOUSE_EXITED, e -> {
				cubic.setStroke(main);
				p1.setStroke(main);
				p2.setStroke(main);
			});
		});


	}

	@Override
	protected void updateElement(FXGanttWidget chart) {
		super.updateElement(chart);
		double compheight = chart.getBlockHeight() + HEIGT_ADDITION;
		setHeight(getHeight());
		double offset;
		height = compheight;
		// arrow = createPath(height);

		offset = (index2 - index1) * (height + Math.abs(index2 - index1));


		if (offset >= 0) {
			offset += height / 2;
		}

		// System.out.println("from "+ index1 +" to "+index2 +" eq: "+ offset );
		double crycyOffset = -cals * chart.getNumberAxis().getScale() * 1.0;


		cubic.setStartX(crycyOffset);
		cubic.setStartY(offset);

		cubic.setControlX1(0);
		cubic.setControlY1(offset);

		cubic.setControlX2(crycyOffset);
		cubic.setControlY2(height / 2);

		cubic.setEndX(0);
		cubic.setEndY(height / 2);


		double angle;

		angle = Math.atan2((height / 2 - 0), (0 - crycyOffset)) - Math.PI / 2.0;

		double sin = Math.sin(angle);
		double cos = Math.cos(angle);
		// point1
		double x1 = (-1.0 / 2.0 * cos + Math.sqrt(3) / 2 * sin) * 8 + 0;
		double y1 = (-1.0 / 2.0 * sin - Math.sqrt(3) / 2 * cos) * 8 + height / 2;
		// point2
		double x2 = (1.0 / 2.0 * cos + Math.sqrt(3) / 2 * sin) * 8 + 0;
		double y2 = (1.0 / 2.0 * sin - Math.sqrt(3) / 2 * cos) * 8 + height / 2;


		p1.setStartX(x1);
		p1.setStartY(y1);
		p1.setEndX(0);
		p1.setEndY(height / 2);

		p2.setStartX(x2);
		p2.setStartY(y2);
		p2.setEndX(0);
		p2.setEndY(height / 2);


	}


}