-package era.mi.gui;\r
-\r
-import java.util.HashMap;\r
-import java.util.HashSet;\r
-import java.util.Map;\r
-import java.util.Set;\r
-import java.util.concurrent.atomic.AtomicBoolean;\r
-\r
-import org.eclipse.swt.SWT;\r
-import org.eclipse.swt.layout.FillLayout;\r
-import org.eclipse.swt.widgets.Display;\r
-import org.eclipse.swt.widgets.Event;\r
-import org.eclipse.swt.widgets.Shell;\r
-\r
-import era.mi.gui.components.BasicGUIComponent;\r
-import era.mi.gui.wires.GUIWire;\r
-import era.mi.logic.Simulation;\r
-import net.haspamelodica.swt.helper.gcs.GeneralGC;\r
-import net.haspamelodica.swt.helper.gcs.TranslatedGC;\r
-import net.haspamelodica.swt.helper.swtobjectwrappers.Point;\r
-import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas;\r
-import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasOverlay;\r
-import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasUserInput;\r
-\r
-/**\r
- * Standalone simulation visualizer.\r
- * \r
- * @author Daniel Kirschten\r
- */\r
-public class LogicUI\r
-{\r
- private final Display display;\r
- private final Shell shell;\r
- private final ZoomableCanvas canvas;\r
- private final Set<BasicGUIComponent> components;\r
- private final Map<BasicGUIComponent, Point> componentPositions;\r
- private final Set<GUIWire> wires;\r
-\r
- public LogicUI()\r
- {\r
- display = new Display();\r
- shell = new Shell(display);\r
- shell.setLayout(new FillLayout());\r
- canvas = new ZoomableCanvas(shell, SWT.NONE);\r
-\r
- components = new HashSet<>();\r
- componentPositions = new HashMap<>();\r
- wires = new HashSet<>();\r
-\r
- canvas.addZoomedRenderer(gc -> components.forEach(c -> drawComponent(gc, c)));\r
- canvas.addZoomedRenderer(gc -> wires.forEach(w -> w.render(gc)));\r
- ZoomableCanvasUserInput userInput = new ZoomableCanvasUserInput(canvas);\r
- userInput.buttonDrag = 3;\r
- userInput.buttonZoom = 2;\r
- userInput.enableUserInput();\r
- new ZoomableCanvasOverlay(canvas, null).enableScale();\r
- canvas.addListener(SWT.MouseDown, this::mouseDown);\r
- }\r
-\r
- /**\r
- * Add a component to be drawn. Returns the given component for convenience.\r
- * \r
- * @author Daniel Kirschten\r
- */\r
- public <C extends BasicGUIComponent> C addComponent(C component, double x, double y)\r
- {\r
- components.add(component);\r
- componentPositions.put(component, new Point(x, y));\r
- return component;\r
- }\r
-\r
- /**\r
- * Add a graphical wire between the given connection points of the given components. The given components have to be added and the given\r
- * connection points have to be connected logically first.\r
- * \r
- * @author Daniel Kirschten\r
- */\r
- public void addWire(BasicGUIComponent component1, int component1ConnectionIndex, BasicGUIComponent component2,\r
- int component2ConnectionIndex, Point... path)\r
- {\r
- wires.add(new GUIWire(canvas::redrawThreadsafe, component1, component1ConnectionIndex, componentPositions.get(component1),\r
- component2, component2ConnectionIndex, componentPositions.get(component2), path));\r
- }\r
-\r
- private void drawComponent(GeneralGC gc, BasicGUIComponent component)\r
- {\r
- TranslatedGC tgc = new TranslatedGC(gc, componentPositions.get(component));\r
- component.render(tgc);\r
- tgc.setBackground(display.getSystemColor(SWT.COLOR_BLUE));\r
- }\r
-\r
- private void mouseDown(Event e)\r
- {\r
- if (e.button == 1)\r
- {\r
- Point click = canvas.displayToWorldCoords(e.x, e.y);\r
- for (BasicGUIComponent component : components)\r
- if (component.getBounds().translate(componentPositions.get(component)).contains(click))\r
- {\r
- if (component.clicked(click.x, click.y))\r
- canvas.redraw();\r
- break;\r
- }\r
- }\r
- }\r
-\r
- /**\r
- * Start the simulation timeline, and open the UI shell. Returns when the shell is closed.\r
- */\r
- public void run()\r
- {\r
- AtomicBoolean running = new AtomicBoolean(true);\r
- Thread simulationThread = new Thread(() ->\r
- {\r
- while (running.get())\r
- {\r
- // always execute to keep timeline from "hanging behind" for too long\r
- Simulation.TIMELINE.executeUpTo(System.currentTimeMillis(), System.currentTimeMillis() + 10);\r
- long sleepTime;\r
- if (Simulation.TIMELINE.hasNext())\r
- sleepTime = Simulation.TIMELINE.nextEventTime() - System.currentTimeMillis();\r
- else\r
- sleepTime = 10;\r
- try\r
- {\r
- if (sleepTime > 0)\r
- Thread.sleep(sleepTime);\r
- }\r
- catch (InterruptedException e)\r
- {\r
- } // it is normal execution flow to be interrupted\r
- }\r
- });\r
- simulationThread.start();\r
- Simulation.TIMELINE.addEventAddedListener(event ->\r
- {\r
- if (event.getTiming() <= System.currentTimeMillis())\r
- simulationThread.interrupt();\r
- });\r
-\r
- shell.open();\r
- while (!shell.isDisposed())\r
- if (!display.readAndDispatch())\r
- display.sleep();\r
- running.set(false);\r
- simulationThread.interrupt();\r
- }\r
-}
\ No newline at end of file