plugins/net.mograsim.logic.model/src/net/mograsim/logic/model/snippets/symbolrenderers/PinNamesSymbolRenderer.java

   1 package net.mograsim.logic.model.snippets.symbolrenderers;
   2
   3 import static net.mograsim.logic.model.preferences.RenderPreferences.TEXT_COLOR;
   4
   5 import java.util.HashMap;
   6 import java.util.Map;
   7
   8 import org.eclipse.swt.graphics.Color;
   9
  10 import net.haspamelodica.swt.helper.gcs.GeneralGC;
  11 import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
  12 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
  13 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
  14 import net.mograsim.logic.model.model.components.ModelComponent;
  15 import net.mograsim.logic.model.model.wires.Pin;
  16 import net.mograsim.logic.model.preferences.RenderPreferences;
  17 import net.mograsim.logic.model.serializing.IdentifyParams;
  18 import net.mograsim.logic.model.snippets.Renderer;
  19 import net.mograsim.logic.model.snippets.SnippetDefinintion;
  20 import net.mograsim.logic.model.snippets.SubmodelComponentSnippetSuppliers;
  21 import net.mograsim.logic.model.snippets.symbolrenderers.PinNamesSymbolRenderer.PinNamesParams.Position;
  22
  23 public class PinNamesSymbolRenderer implements Renderer
  24 {
  25         private final ModelComponent component;
  26         private final Map<Pin, Position> pinPositions;
  27         private final double pinLabelHeight;
  28         private final double pinLabelMargin;
  29
  30         public PinNamesSymbolRenderer(ModelComponent component, PinNamesParams params)
  31         {
  32                 this.component = component;
  33                 this.pinPositions = new HashMap<>();
  34                 this.pinLabelHeight = params.pinLabelHeight;
  35                 this.pinLabelMargin = params.pinLabelMargin;
  36                 if (params.pinNamePositions != null)
  37                         params.pinNamePositions.forEach(this::setPinPosition);
  38                 component.addPinRemovedListener(p -> setPinPosition(p, null));
  39         }
  40
  41         public void setPinPosition(String pinName, Position position)
  42         {
  43                 setPinPosition(component.getPin(pinName), position);
  44         }
  45
  46         public void setPinPosition(Pin pin, Position position)
  47         {
  48                 if (position == null)
  49                         pinPositions.remove(pin);
  50                 else
  51                         pinPositions.put(pin, position);
  52         }
  53
  54         @Override
  55         public void render(GeneralGC gc, RenderPreferences renderPrefs, Rectangle visibleRegion)
  56         {
  57                 Color textColor = renderPrefs.getColor(TEXT_COLOR);
  58                 if (textColor != null)
  59                         gc.setForeground(textColor);
  60                 Font oldFont = gc.getFont();
  61                 gc.setFont(new Font(oldFont.getName(), pinLabelHeight, oldFont.getStyle()));
  62                 for (Pin pin : component.getPins().values())
  63                 {
  64                         Position pos = pinPositions.get(pin);
  65                         if (pos == null)
  66                                 pos = Position.RIGHT;
  67
  68                         Point topleft = pin.getPos();
  69                         Point textExtent = gc.textExtent(pin.name);
  70
  71                         double x2 = topleft.x - textExtent.x - pinLabelMargin;
  72                         double y2 = topleft.y - textExtent.y - pinLabelMargin;
  73                         double x1 = topleft.x + pinLabelMargin;
  74                         double y1 = topleft.y + pinLabelMargin;
  75
  76                         double x = pos.posX * x1 + (1 - pos.posX) * x2;
  77                         double y = pos.posY * y1 + (1 - pos.posY) * y2;
  78
  79                         gc.drawText(pin.name, x, y, true);
  80                 }
  81                 gc.setFont(oldFont);
  82         }
  83
  84         @Override
  85         public String getIDForSerializing(IdentifyParams idParams)
  86         {
  87                 return "pinNames";
  88         }
  89
  90         @Override
  91         public PinNamesParams getParamsForSerializing(IdentifyParams idParams)
  92         {
  93                 PinNamesParams params = new PinNamesParams();
  94                 params.pinNamePositions = new HashMap<>();
  95                 pinPositions.forEach((pin, pos) -> params.pinNamePositions.put(pin.name, pos));
  96                 return params;
  97         }
  98
  99         public static class PinNamesParams
 100         {
 101                 public Map<String, Position> pinNamePositions;
 102                 public double pinLabelHeight;
 103                 public double pinLabelMargin;
 104
 105                 public static enum Position
 106                 {
 107                         TOP(.5, 0), TOP_LEFT(0, 0), LEFT(0, .5), BOTTOM_LEFT(0, 1), BOTTOM(.5, 1), BOTTOM_RIGHT(1, 1), RIGHT(1, .5), TOP_RIGHT(1, 0);
 108
 109                         private final double posX, posY;
 110
 111                         private Position(double posX, double posY)
 112                         {
 113                                 this.posX = posX;
 114                                 this.posY = posY;
 115                         }
 116                 }
 117         }
 118
 119         static
 120         {
 121                 SubmodelComponentSnippetSuppliers.symbolRendererSupplier.setSnippetSupplier(PinNamesSymbolRenderer.class.getCanonicalName(),
 122                                 SnippetDefinintion.create(PinNamesParams.class, PinNamesSymbolRenderer::new));
 123         }
 124 }