net.mograsim.logic.model/src/net/mograsim/logic/model/snippets/symbolrenderers/SimpleRectangularLikeSymbolRenderer.java

   1 package net.mograsim.logic.model.snippets.symbolrenderers;
   2
   3 import java.util.Map.Entry;
   4
   5 import org.eclipse.swt.graphics.Color;
   6
   7 import net.haspamelodica.swt.helper.gcs.GeneralGC;
   8 import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
   9 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
  10 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
  11 import net.mograsim.logic.model.model.components.GUIComponent;
  12 import net.mograsim.logic.model.model.components.submodels.SubmodelComponent;
  13 import net.mograsim.logic.model.model.wires.Pin;
  14 import net.mograsim.logic.model.snippets.Renderer;
  15 import net.mograsim.logic.model.snippets.SnippetDefinintion;
  16 import net.mograsim.logic.model.snippets.SubmodelComponentSnippetSuppliers;
  17 import net.mograsim.preferences.Preferences;
  18
  19 /**
  20  * Renders a text (<code>"centerText"</code>) with a given font height (<code>"centerTextHeight"</code>) in the center of the component and
  21  * draws a label for each pin with a given font height (<code>"pinLabelHeight"</code>). The labels of pins to the left of a given x
  22  * coordinate (<code>"horizontalComponentCenter"</code>) are drawn to the right of the respective pin; labels of pins to the right are drawn
  23  * left. A margin (<code>"pinLabelMargin"</code>) is applied for pin label drawing.
  24  *
  25  * @author Daniel Kirschten
  26  */
  27 public class SimpleRectangularLikeSymbolRenderer implements Renderer
  28 {
  29         private final GUIComponent component;
  30         private final SimpleRectangularLikeParams params;
  31
  32         public SimpleRectangularLikeSymbolRenderer(SubmodelComponent component, SimpleRectangularLikeParams params)
  33         {
  34                 this.component = component;
  35                 this.params = params;
  36         }
  37
  38         @Override
  39         public void render(GeneralGC gc, Rectangle visibleRegion)
  40         {
  41                 double posX = component.getPosX();
  42                 double posY = component.getPosY();
  43                 double width = component.getWidth();
  44                 double height = component.getHeight();
  45
  46                 Font oldFont = gc.getFont();
  47                 gc.setFont(new Font(oldFont.getName(), params.centerTextHeight, oldFont.getStyle()));
  48                 Point textExtent = gc.textExtent(params.centerText);
  49                 Color textColor = Preferences.current().getColor("net.mograsim.logic.ui.color.text");
  50                 if (textColor != null)
  51                         gc.setForeground(textColor);
  52                 gc.drawText(params.centerText, posX + (width - textExtent.x) / 2, posY + (height - textExtent.y) / 2, true);
  53                 gc.setFont(new Font(oldFont.getName(), params.pinLabelHeight, oldFont.getStyle()));
  54                 for (Entry<String, Pin> pinEntry : component.getPins().entrySet())
  55                 {
  56                         String pinName = pinEntry.getKey();
  57                         Pin pin = pinEntry.getValue();
  58                         double pinX = pin.getRelX();
  59                         double pinY = posY + pin.getRelY();
  60                         textExtent = gc.textExtent(pinName);
  61                         gc.drawText(pinName,
  62                                         posX + pinX + (pinX > params.horizontalComponentCenter ? -textExtent.x - params.pinLabelMargin : params.pinLabelMargin),
  63                                         pinY - textExtent.y / 2, true);
  64                 }
  65                 gc.setFont(oldFont);
  66         }
  67
  68         public static class SimpleRectangularLikeParams
  69         {
  70                 public String centerText;
  71                 public double centerTextHeight;
  72                 public double horizontalComponentCenter;
  73                 public double pinLabelHeight;
  74                 public double pinLabelMargin;
  75         }
  76
  77         static
  78         {
  79                 SubmodelComponentSnippetSuppliers.symbolRendererSupplier.setSnippetSupplier(
  80                                 SimpleRectangularLikeSymbolRenderer.class.getCanonicalName(),
  81                                 SnippetDefinintion.create(SimpleRectangularLikeParams.class, SimpleRectangularLikeSymbolRenderer::new));
  82         }
  83 }