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

   1 package era.mi.gui;\r
   2 \r
   3 import org.eclipse.swt.SWT;\r
   4 import org.eclipse.swt.widgets.Composite;\r
   5 import org.eclipse.swt.widgets.Event;\r
   6 \r
   7 import era.mi.gui.model.ViewModel;\r
   8 import era.mi.gui.model.components.GUIComponent;\r
   9 import era.mi.gui.model.wires.Pin;\r
  10 import net.haspamelodica.swt.helper.gcs.GeneralGC;\r
  11 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;\r
  12 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;\r
  13 import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas;\r
  14 \r
  15 /**\r
  16  * Simulation visualizer canvas.\r
  17  * \r
  18  * @author Daniel Kirschten\r
  19  */\r
  20 public class LogicUICanvas extends ZoomableCanvas\r
  21 {\r
  22         private final ViewModel model;\r
  23 \r
  24         public LogicUICanvas(Composite parent, int style, ViewModel model)\r
  25         {\r
  26                 super(parent, style);\r
  27 \r
  28                 this.model = model;\r
  29 \r
  30                 model.addComponentAddedListener(c -> redrawThreadsafe());\r
  31                 model.addWireAddedListener(c -> redrawThreadsafe());\r
  32                 model.addComponentRemovedListener(c -> redrawThreadsafe());\r
  33                 model.addWireRemovedListener(c -> redrawThreadsafe());\r
  34 \r
  35                 addZoomedRenderer(gc ->\r
  36                 {\r
  37                         Rectangle visibleRegion = new Rectangle(offX, offY, gW / zoom, gH / zoom);\r
  38                         model.getComponents().forEach(c -> drawComponent(gc, c, visibleRegion));\r
  39                 });\r
  40                 addZoomedRenderer(gc -> model.getWires().forEach(w -> w.render(gc)));\r
  41                 addListener(SWT.MouseDown, this::mouseDown);\r
  42         }\r
  43 \r
  44         private void drawComponent(GeneralGC gc, GUIComponent component, Rectangle visibleRegion)\r
  45         {\r
  46                 component.render(gc, visibleRegion);\r
  47                 gc.setBackground(getDisplay().getSystemColor(SWT.COLOR_CYAN));\r
  48                 for (Pin p : component.getPins())\r
  49                 {\r
  50                         Point pos = p.getPos();\r
  51                         gc.fillOval(pos.x - 1, pos.y - 1, 2, 2);\r
  52                 }\r
  53         }\r
  54 \r
  55         private void mouseDown(Event e)\r
  56         {\r
  57                 if (e.button == 1)\r
  58                 {\r
  59                         Point click = displayToWorldCoords(e.x, e.y);\r
  60                         for (GUIComponent component : model.getComponents())\r
  61                                 if (component.getBounds().contains(click) && component.clicked(click.x, click.y))\r
  62                                 {\r
  63                                         redraw();\r
  64                                         break;\r
  65                                 }\r
  66                 }\r
  67         }\r
  68 }