LogicUI/src/era/mi/gui/LogicUIStandalone.java

   1 package era.mi.gui;\r
   2 \r
   3 import java.util.concurrent.atomic.AtomicBoolean;\r
   4 \r
   5 import org.eclipse.swt.SWT;\r
   6 import org.eclipse.swt.layout.FillLayout;\r
   7 import org.eclipse.swt.widgets.Display;\r
   8 import org.eclipse.swt.widgets.Shell;\r
   9 \r
  10 import era.mi.gui.model.ViewModel;\r
  11 import era.mi.gui.modeladapter.LogicModelParameters;\r
  12 import era.mi.gui.modeladapter.ViewLogicModelAdapter;\r
  13 import era.mi.logic.timeline.Timeline;\r
  14 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasOverlay;\r
  15 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasUserInput;\r
  16 \r
  17 /**\r
  18  * Standalone simulation visualizer.\r
  19  * \r
  20  * @author Daniel Kirschten\r
  21  */\r
  22 public class LogicUIStandalone\r
  23 {\r
  24         private ViewModel model;\r
  25         private Timeline timeline;\r
  26 \r
  27         private final Display display;\r
  28         private final Shell shell;\r
  29         private final LogicUICanvas ui;\r
  30 \r
  31         public LogicUIStandalone(ViewModel model)\r
  32         {\r
  33                 this.model = model;\r
  34                 display = new Display();\r
  35                 shell = new Shell(display);\r
  36                 shell.setLayout(new FillLayout());\r
  37                 ui = new LogicUICanvas(shell, SWT.NONE, model);\r
  38 \r
  39                 ZoomableCanvasUserInput userInput = new ZoomableCanvasUserInput(ui);\r
  40                 userInput.buttonDrag = 3;\r
  41                 userInput.buttonZoom = 2;\r
  42                 userInput.enableUserInput();\r
  43                 new ZoomableCanvasOverlay(ui, null).enableScale();\r
  44 \r
  45                 // TODO don't do this here\r
  46                 LogicModelParameters params = new LogicModelParameters();\r
  47                 params.gateProcessTime = 50;\r
  48                 params.wireTravelTime = 10;\r
  49                 timeline = ViewLogicModelAdapter.convert(model, params);\r
  50         }\r
  51 \r
  52         public LogicUICanvas getLogicUICanvas()\r
  53         {\r
  54                 return ui;\r
  55         }\r
  56 \r
  57         /**\r
  58          * Start the simulation timeline, and open the UI shell. Returns when the shell is closed.\r
  59          */\r
  60         public void run()\r
  61         {\r
  62                 AtomicBoolean running = new AtomicBoolean(true);\r
  63                 Thread simulationThread = new Thread(() ->\r
  64                 {\r
  65                         while (running.get())\r
  66                         {\r
  67                                 // always execute to keep timeline from "hanging behind" for too long\r
  68                                 timeline.executeUntil(timeline.laterThan(System.currentTimeMillis()), System.currentTimeMillis() + 10);\r
  69                                 long sleepTime;\r
  70                                 if (timeline.hasNext())\r
  71                                         sleepTime = timeline.nextEventTime() - System.currentTimeMillis();\r
  72                                 else\r
  73                                         sleepTime = 10;\r
  74                                 try\r
  75                                 {\r
  76                                         if (sleepTime > 0)\r
  77                                                 Thread.sleep(sleepTime);\r
  78                                 }\r
  79                                 catch (InterruptedException e)\r
  80                                 {\r
  81                                 } // it is normal execution flow to be interrupted\r
  82                         }\r
  83                 });\r
  84                 simulationThread.start();\r
  85                 timeline.addEventAddedListener(event ->\r
  86                 {\r
  87                         if (event.getTiming() <= System.currentTimeMillis())\r
  88                                 simulationThread.interrupt();\r
  89                 });\r
  90 \r
  91                 shell.open();\r
  92                 while (!shell.isDisposed())\r
  93                         if (!display.readAndDispatch())\r
  94                                 display.sleep();\r
  95                 running.set(false);\r
  96 //              simulationThread.interrupt();\r
  97         }\r
  98 }