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+/**
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+ * Copyright (c) 2011 committers of YAKINDU and others.
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+ * All rights reserved. This program and the accompanying materials
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+ * are made available under the terms of the Eclipse Public License v1.0
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+ * which accompanies this distribution, and is available at
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+ * http://www.eclipse.org/legal/epl-v10.html
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+ * Contributors:
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+ * committers of YAKINDU - initial API and implementation
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+ *
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+ */
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+package org.yakindu.sct.examples.java.trafficlight;
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+
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+/**
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+ * Example to show how to integrate the generated statemachine code into existing projects.
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+ *
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+ * @author a.nyssen - initial API and implementation
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+ * @author m.muehlbrandt - adaptions to new statemachine code.
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+ */
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+import java.lang.reflect.InvocationTargetException;
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+
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+import org.eclipse.draw2d.FigureCanvas;
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+import org.eclipse.draw2d.LightweightSystem;
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+import org.eclipse.draw2d.geometry.Rectangle;
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+import org.eclipse.swt.SWT;
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+import org.eclipse.swt.layout.FillLayout;
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+import org.eclipse.swt.layout.GridData;
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+import org.eclipse.swt.layout.GridLayout;
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+import org.eclipse.swt.widgets.Button;
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+import org.eclipse.swt.widgets.Composite;
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+import org.eclipse.swt.widgets.Display;
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+import org.eclipse.swt.widgets.Listener;
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+import org.eclipse.swt.widgets.Shell;
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+import org.yakindu.sct.runtime.java.TimerHandler;
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+import org.yakindu.sct.runtime.java.trafficlightwaiting.TrafficLightWaitingCycleBasedStatemachine;
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+import org.yakindu.sct.runtime.java.trafficlightwaiting.TrafficLightWaitingEventBasedStatemachine;
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+
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+public class CrossingDemoEventBased {
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+
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+ public static void main(String[] args) {
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+
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+ final TrafficLightWaitingEventBasedStatemachine statemachine = new TrafficLightWaitingEventBasedStatemachine(100);
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+
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+ // create display and shell
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+ Display display = Display.getDefault();
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+ Shell shell = new Shell(display);
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+ shell.setSize(400, 400);
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+ shell.setText("Traffic Light Demo");
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+ GridLayout shellLayout = new GridLayout();
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+ shellLayout.numColumns = 1;
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+ shell.setLayout(shellLayout);
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+
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+ LightweightSystem lws = createLightweightsystem(shell);
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+ createButtonComposite(statemachine, shell);
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+
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+ CrossingFigure crossing = new CrossingFigure();
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+ lws.setContents(crossing);
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+ final TrafficLightFigure tl = new TrafficLightFigure();
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+ crossing.add(tl);
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+ crossing.getLayoutManager().setConstraint(tl,
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+ new Rectangle(275, 75, 35, 90));
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+
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+ final PedestrianLightFigure pl = new PedestrianLightFigure();
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+ crossing.add(pl);
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+ crossing.getLayoutManager().setConstraint(pl,
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+ new Rectangle(50, 10, 70, 20));
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+
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+ statemachine.setTimerHandler(new TimerHandler());
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+ statemachine.enter();
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+ statemachine.start();
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+
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+ shell.open();
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+ while (!shell.isDisposed()) {
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+ // update traffic lights
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+ tl.setRed(statemachine.getInterfaceTrafficLight().getVarRed());
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+ tl.setYellow(statemachine.getInterfaceTrafficLight().getVarYellow());
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+ tl.setGreen(statemachine.getInterfaceTrafficLight().getVarGreen());
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+
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+ pl.setWhite(statemachine.getInterfacePedestrian().getVarRequest());
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+ pl.setRed(statemachine.getInterfacePedestrian().getVarRed());
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+ pl.setGreen(statemachine.getInterfacePedestrian().getVarGreen());
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+
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+ crossing.repaint();
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+
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+ if (!display.readAndDispatch()) {
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+ display.sleep();
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+ }
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+ }
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+
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+ statemachine.stop();
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+ statemachine.getTimerHandler().cancel();
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+ }
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+
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+ private static LightweightSystem createLightweightsystem(Shell shell) {
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+
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+ FigureCanvas canvas = new FigureCanvas(shell);
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+ GridData canvasGridData = new GridData();
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+ canvasGridData.horizontalAlignment = GridData.FILL;
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+ canvasGridData.verticalAlignment = GridData.FILL;
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+ canvasGridData.grabExcessVerticalSpace = true;
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+ canvasGridData.grabExcessHorizontalSpace = true;
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+ canvas.setLayoutData(canvasGridData);
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+ LightweightSystem lws = new LightweightSystem(canvas);
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+ return lws;
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+ }
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+
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+ private static void createButtonComposite(
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+ final TrafficLightWaitingCycleBasedStatemachine statemachine,
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+ Shell shell) {
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+ // create a composite to hold the buttons
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+ Composite buttonComposite = new Composite(shell, SWT.NO_SCROLL);
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+ GridData buttonCompositeGridData = new GridData();
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+ buttonCompositeGridData.horizontalAlignment = GridData.FILL;
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+ buttonCompositeGridData.grabExcessHorizontalSpace = true;
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+ buttonComposite.setLayoutData(buttonCompositeGridData);
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+ FillLayout buttonCompositeLayout = new FillLayout();
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+ buttonCompositeLayout.type = SWT.HORIZONTAL;
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+ buttonComposite.setLayout(new FillLayout());
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+
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+ // create a button for each KEYPRESS event
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+ Button[] button = new Button[2];
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+ for (int i = 0; i < 2; i++) {
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+ button[i] = new Button(buttonComposite, SWT.PUSH);
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+ button[i].setText("key" + (i + 1));
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+ final int j = i;
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+ button[i].addListener(SWT.Selection, new Listener() {
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+ public void handleEvent(
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+ final org.eclipse.swt.widgets.Event event) {
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+
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+ // Shorter call for code commented out below
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+ try {
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+ Class<?> interfaceClass = statemachine
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+ .getDefaultInterface().getClass();
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+ interfaceClass.getDeclaredMethod(
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+ "raiseKeypress" + (j + 1), new Class[0])
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+ .invoke(statemachine.getDefaultInterface(),
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+ new Object[0]);
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+ } catch (IllegalAccessException e) {
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+ e.printStackTrace();
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+ } catch (IllegalArgumentException e) {
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+ e.printStackTrace();
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+ } catch (InvocationTargetException e) {
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+ e.printStackTrace();
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+ } catch (NoSuchMethodException e) {
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+ e.printStackTrace();
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+ } catch (SecurityException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+ });
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+ }
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+ }
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+}
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markus.muehlbrandt@itemis.de