3 import java.util.function.Consumer;
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5 import org.eclipse.swt.SWT;
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6 import org.eclipse.swt.widgets.Composite;
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7 import org.eclipse.swt.widgets.Event;
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9 import era.mi.gui.model.ViewModel;
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10 import era.mi.gui.model.components.GUIComponent;
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11 import era.mi.gui.model.wires.Pin;
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12 import net.haspamelodica.swt.helper.gcs.GeneralGC;
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13 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
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14 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
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15 import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas;
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18 * Simulation visualizer canvas.
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20 * @author Daniel Kirschten
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22 public class LogicUICanvas extends ZoomableCanvas
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24 private final ViewModel model;
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26 public LogicUICanvas(Composite parent, int style, ViewModel model)
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28 super(parent, style);
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32 Consumer<Object> redrawConsumer = o -> redrawThreadsafe();
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33 Consumer<Pin> pinAddedListener = p ->
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35 p.addPinMovedListener(redrawConsumer);
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38 Consumer<Pin> pinRemovedListener = p ->
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40 p.removePinMovedListener(redrawConsumer);
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43 model.addComponentAddedListener(c ->
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45 c.addComponentLookChangedListener(redrawConsumer);
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46 c.addComponentMovedListener(redrawConsumer);
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47 c.addPinAddedListener(pinAddedListener);
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48 c.addPinRemovedListener(pinRemovedListener);
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51 model.addComponentRemovedListener(c ->
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53 c.removeComponentLookChangedListener(redrawConsumer);
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54 c.removeComponentMovedListener(redrawConsumer);
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55 c.removePinAddedListener(pinAddedListener);
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56 c.removePinRemovedListener(pinRemovedListener);
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59 model.addWireAddedListener(w ->
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61 w.addWireLookChangedListener(redrawConsumer);
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64 model.addWireRemovedListener(w ->
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66 w.removeWireLookChangedListener(redrawConsumer);
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69 // TODO add listeners for existing components & wires
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71 addZoomedRenderer(gc ->
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73 Rectangle visibleRegion = new Rectangle(offX, offY, gW / zoom, gH / zoom);
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74 model.getComponents().forEach(c -> drawComponent(gc, c, visibleRegion));
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76 addZoomedRenderer(gc -> model.getWires().forEach(w -> w.render(gc)));
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77 addListener(SWT.MouseDown, this::mouseDown);
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80 private void drawComponent(GeneralGC gc, GUIComponent component, Rectangle visibleRegion)
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82 component.render(gc, visibleRegion);
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83 gc.setBackground(getDisplay().getSystemColor(SWT.COLOR_CYAN));
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84 for (Pin p : component.getPins())
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86 Point pos = p.getPos();
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87 gc.fillOval(pos.x - 1, pos.y - 1, 2, 2);
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91 private void mouseDown(Event e)
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95 Point click = displayToWorldCoords(e.x, e.y);
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96 for (GUIComponent component : model.getComponents())
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97 if (component.getBounds().contains(click) && component.clicked(click.x, click.y))
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