3 import java.util.HashMap;
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4 import java.util.HashSet;
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5 import java.util.Map;
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6 import java.util.Set;
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8 import org.eclipse.swt.SWT;
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9 import org.eclipse.swt.widgets.Composite;
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10 import org.eclipse.swt.widgets.Event;
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12 import era.mi.gui.components.BasicGUIComponent;
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13 import era.mi.gui.wires.GUIWire;
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14 import net.haspamelodica.swt.helper.gcs.GeneralGC;
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15 import net.haspamelodica.swt.helper.gcs.TranslatedGC;
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16 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
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17 import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas;
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20 * Simulation visualizer canvas.
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22 * @author Daniel Kirschten
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24 public class LogicUICanvas extends ZoomableCanvas
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26 private final Set<BasicGUIComponent> components;
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27 private final Map<BasicGUIComponent, Point> componentPositions;
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28 private final Set<GUIWire> wires;
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30 public LogicUICanvas(Composite parent, int style)
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32 super(parent, style);
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34 components = new HashSet<>();
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35 componentPositions = new HashMap<>();
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36 wires = new HashSet<>();
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38 addZoomedRenderer(gc -> components.forEach(c -> drawComponent(gc, c)));
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39 addZoomedRenderer(gc -> wires.forEach(w -> w.render(gc)));
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40 addListener(SWT.MouseDown, this::mouseDown);
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44 * Add a component to be drawn. Returns the given component for convenience.
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46 * @author Daniel Kirschten
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48 public <C extends BasicGUIComponent> C addComponent(C component, double x, double y)
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50 components.add(component);
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51 componentPositions.put(component, new Point(x, y));
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56 * Add a graphical wire between the given connection points of the given components. The given components have to be added and the given
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57 * connection points have to be connected logically first.
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59 * @author Daniel Kirschten
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61 public void addWire(BasicGUIComponent component1, int component1ConnectionIndex, BasicGUIComponent component2,
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62 int component2ConnectionIndex, Point... path)
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64 wires.add(new GUIWire(this::redrawThreadsafe, component1, component1ConnectionIndex, componentPositions.get(component1), component2,
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65 component2ConnectionIndex, componentPositions.get(component2), path));
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68 private void drawComponent(GeneralGC gc, BasicGUIComponent component)
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70 TranslatedGC tgc = new TranslatedGC(gc, componentPositions.get(component));
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71 component.render(tgc);
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72 tgc.setBackground(getDisplay().getSystemColor(SWT.COLOR_BLUE));
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75 private void mouseDown(Event e)
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79 Point click = displayToWorldCoords(e.x, e.y);
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80 for (BasicGUIComponent component : components)
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81 if (component.getBounds().translate(componentPositions.get(component)).contains(click))
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83 if (component.clicked(click.x, click.y))
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