plugins/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.widgets.Composite;
   6
   7 import net.haspamelodica.swt.helper.gcs.TranslatedGC;
   8 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
   9 import net.mograsim.logic.model.LogicUICanvas;
  10 import net.mograsim.logic.model.editor.Editor;
  11 import net.mograsim.logic.model.editor.handles.Handle;
  12
  13 //TODO: Remove Inheritance
  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, editor.renderPrefs);
  21
  22                 handles = editor.handleManager.getHandles();
  23                 editor.handleManager.addHandleAddedListener(h ->
  24                 {
  25                         redrawThreadsafe();
  26                         h.addRedrawListener(this::redrawThreadsafe);
  27                 });
  28                 // TODO: Is this even necessary? The Handle should be finalized by the gc
  29                 editor.handleManager.addHandleRemovedListener(h ->
  30                 {
  31                         redrawThreadsafe();
  32                         h.removeRedrawListener(this::redrawThreadsafe);
  33                 });
  34
  35                 addZoomedRenderer(gc ->
  36                 {
  37                         Rectangle visibleRegion = new Rectangle(-offX / zoom, -offY / zoom, gW / zoom, gH / zoom);
  38
  39                         TranslatedGC tgc = new TranslatedGC(gc, 0.0d, 0.0d, 1 / editor.toBeEdited.getSubmodelScale(), false);
  40                         editor.toBeEdited.getOutlineRenderer().render(tgc, renderPrefs,
  41                                         new Rectangle(-offX / zoom, -offY / zoom, gW / zoom, gH / zoom));
  42
  43                         handles.forEach(h -> h.render(gc, visibleRegion));
  44                 });
  45         }
  46 }