protected final void doActionPerformed(ActionEvent evt) {
    try {
      ApplicationDiagram diag =
          (ApplicationDiagram) (ApplicationContext.getFocusManager().getFocusObject());
      Point clickPosition = getDiagramLocation(evt);
      if (clickPosition == null)
        clickPosition = GraphicUtil.rectangleGetCenter(diag.getMainView().getViewRect());
      java.awt.Image image = SRSystemClipboard.getClipboardImage();
      if (image == null) return;
      DbObject diagGo = diag.getDiagramGO();
      Db db = diagGo.getDb();

      ImageIcon icon = new ImageIcon(image);
      int imageHeigth = icon.getIconHeight();
      int imageWidth = icon.getIconWidth();

      db.beginTrans(Db.WRITE_TRANS, LocaleMgr.action.getString("pasteDiagramImage"));

      DbObject imageGo = diagGo.createComponent(DbGraphic.fImageGoDiagramImage.getMetaClass());
      imageGo.set(DbGraphic.fImageGoDiagramImage, image);
      imageGo.set(
          DbGraphic.fGraphicalObjectRectangle,
          new Rectangle(
              clickPosition.x - (imageWidth / 2),
              clickPosition.y - (imageHeigth / 2),
              imageWidth,
              imageHeigth));
      db.commitTrans();
    } catch (Exception e) {
      org.modelsphere.jack.util.ExceptionHandler.processUncatchedException(
          ApplicationContext.getDefaultMainFrame(), e);
    }
  }
 public PasteDiagramImageAction() {
   super(LocaleMgr.action.getString("pasteDiagramImage"));
   this.setMnemonic(LocaleMgr.action.getMnemonic("pasteDiagramImage"));
   SRSystemClipboard.addSystemClipboardListener(this);
   systemClipboardContentTypeChanged();
 }
 @Override
 public void systemClipboardContentTypeChanged() {
   setEnabled(SRSystemClipboard.containsImage() && isApplicationDiagramHaveFocus());
 }