net.mograsim.logic.model.editor/src/net/mograsim/logic/model/editor/EditorCanvas.java

   1 package net.mograsim.logic.model.editor;
   2
   3 import java.util.Collection;
   4
   5 import org.eclipse.swt.graphics.Color;
   6 import org.eclipse.swt.widgets.Composite;
   7
   8 import net.haspamelodica.swt.helper.gcs.TranslatedGC;
   9 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
  10 import net.mograsim.logic.model.LogicUICanvas;
  11 import net.mograsim.logic.model.editor.handles.Handle;
  12 import net.mograsim.preferences.Preferences;
  13
  14 public class EditorCanvas extends LogicUICanvas
  15 {
  16         private Collection<Handle> handles;
  17
  18         public EditorCanvas(Composite parent, int style, Editor editor)
  19         {
  20                 super(parent, style, editor.toBeEdited.submodel);
  21
  22                 handles = editor.handleManager.getHandles();
  23                 editor.handleManager.addHandleAddedListener(h ->
  24                 h.addRedrawListener(this::redrawThreadsafe));
  25                 //Is this even necessary? The Handle should be finalized by the gc
  26                 editor.handleManager.addHandleRemovedListener(h -> h.removeRedrawListener(this::redrawThreadsafe));
  27
  28                 addZoomedRenderer(gc ->
  29                 {
  30                         Rectangle visibleRegion = new Rectangle(-offX / zoom, -offY / zoom, gW / zoom, gH / zoom);
  31                         Color background = Preferences.current().getColor("net.mograsim.logic.ui.color.background");
  32                         if (background != null)
  33                                 setBackground(background);// this.setBackground, not gc.setBackground to have the background fill the
  34                                                                                         // canvas
  35
  36                         TranslatedGC tgc = new TranslatedGC(gc, 0.0d, 0.0d, 1 / editor.toBeEdited.getSubmodelScale(), false);
  37                         editor.toBeEdited.outlineRenderer.render(tgc, new Rectangle(-offX / zoom, -offY / zoom, gW / zoom, gH / zoom));
  38
  39                         handles.forEach(h -> h.render(gc, visibleRegion));
  40                 });
  41         }
  42 }