code: public List<org.opencms.ade.containerpage.client.ui.CmsContainerPageElementPanel> getAllDragElements() {
  
          List<org.opencms.ade.containerpage.client.ui.CmsContainerPageElementPanel> result = new ArrayList<org.opencms.ade.containerpage.client.ui.CmsContainerPageElementPanel>();
          Iterator<org.opencms.ade.containerpage.client.ui.CmsContainerPageContainer> it = m_targetContainers.values().iterator();
          while (it.hasNext()) {
              result.addAll(it.next().getAllDragElements());
          }
          if (isGroupcontainerEditing()) {
              Iterator<Widget> itSub = m_groupEditor.getGroupContainerWidget().iterator();
              while (itSub.hasNext()) {
                  Widget w = itSub.next();
                  if (w instanceof org.opencms.ade.containerpage.client.ui.CmsContainerPageElementPanel) {
                      result.add((org.opencms.ade.containerpage.client.ui.CmsContainerPageElementPanel)w);
                  }
              }
          }
          return result;
      }
docs: Returns all drag elements of the page.<p>
  
  @return the drag elements