蓝天绿水

private void loadPicture(Long selectedId) {
	if(thumbnail !=null) {
		thumbnail.deactivate();
		thumbnail=null;
	}
	Dev_tem d=(Dev_tem) dm.findByID(Dev_tem.class,selectedId);
	ByteArrayInputStream bais = new ByteArrayInputStream(d.getTpl());
	try {
		ObjectInputStream ois = new ObjectInputStream(bais);
		TrmsContainer tc =(TrmsContainer) ois.readObject();
		GraphicalViewer viewer = new ScrollingGraphicalViewer();
                     viewer.createControl(overview);
                     viewer.setEditDomain(new DefaultEditDomain(null));

                     viewer.setRootEditPart(new ScalableFreeformRootEditPart());
                     viewer.setEditPartFactory(new com.jctx.trms.edit.GraphicalPartFactory());
                     viewer.setContents(tc);
                     viewer.flush();

                     ScalableFreeformRootEditPart root = (ScalableFreeformRootEditPart) viewer.getRootEditPart();//可滚动根编辑部
		thumbnail = new ScrollableThumbnail((Viewport) root.getFigure());//可滚动摁钉
		thumbnail.setBorder(new MarginBorder(3));//设置摁钉边框
		thumbnail.setSource(root.getLayer(LayerConstants.PRINTABLE_LAYERS));
		lws.setContents(thumbnail);//缩略图
	} catch (IOException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	} catch (ClassNotFoundException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}

}