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

   1 package net.mograsim.logic.model.editor.ui;
   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.Editor;
  12 import net.mograsim.logic.model.editor.handles.Handle;
  13 import net.mograsim.preferences.Preferences;
  14
  15 //TODO: Remove Inheritance
  16 public class EditorCanvas extends LogicUICanvas
  17 {
  18         private Collection<Handle> handles;
  19
  20         public EditorCanvas(Composite parent, int style, Editor editor)
  21         {
  22                 super(parent, style, editor.toBeEdited.submodel);
  23
  24                 handles = editor.handleManager.getHandles();
  25                 editor.handleManager.addHandleAddedListener(h ->
  26                 {
  27                         redrawThreadsafe();
  28                         h.addRedrawListener(this::redrawThreadsafe);
  29                 });
  30                 // TODO: Is this even necessary? The Handle should be finalized by the gc
  31                 editor.handleManager.addHandleRemovedListener(h ->
  32                 {
  33                         redrawThreadsafe();
  34                         h.removeRedrawListener(this::redrawThreadsafe);
  35                 });
  36
  37                 addZoomedRenderer(gc ->
  38                 {
  39                         Rectangle visibleRegion = new Rectangle(-offX / zoom, -offY / zoom, gW / zoom, gH / zoom);
  40                         Color background = Preferences.current().getColor("net.mograsim.logic.model.color.background");
  41                         if (background != null)
  42                                 setBackground(background);// this.setBackground, not gc.setBackground to have the background fill the
  43                                                                                         // canvas
  44
  45                         TranslatedGC tgc = new TranslatedGC(gc, 0.0d, 0.0d, 1 / editor.toBeEdited.getSubmodelScale(), false);
  46                         editor.toBeEdited.getOutlineRenderer().render(tgc, new Rectangle(-offX / zoom, -offY / zoom, gW / zoom, gH / zoom));
  47
  48                         handles.forEach(h -> h.render(gc, visibleRegion));
  49                 });
  50         }
  51 }