code: public void updateSize() {
  
          int availableHeight = CmsToolbarPopup.getAvailableHeight();
          int dialogWidth = CmsToolbarPopup.getAvailableWidth();
  
          A_CmsClipboardTab tab = m_tabs.getWidget(m_tabs.getSelectedIndex());
          int requiredHeight = tab.getRequiredHeight() + 31;
          int dialogHeight = availableHeight > requiredHeight ? requiredHeight : availableHeight;
          m_tabs.getParent().setHeight(dialogHeight + "px");
          getPopup().setWidth(dialogWidth);
          tab.getList().truncate("CLIPBOARD_TM", dialogWidth - 40);
          tab.getScrollPanel().onResizeDescendant();
      }
docs: Updates the popup size according to the tab contents.<p>