public void onChangeTreeState(Set<CmsUUID> openItemIds) {

        m_controller.saveTreeState(I_CmsGalleryProviderConstants.TREE_SITEMAP, m_siteRoot, openItemIds);
    }
public void onChangeTreeState ( Set < CmsUUID > openItemIds ) { m_controller . saveTreeState ( I_CmsGalleryProviderConstants . TREE_SITEMAP , m_siteRoot , openItemIds ) ; }
This method is called when the tree open state changes.<p>

@param openItemIds the structure ids of open entries