Java tutorial
/* * This library is part of OpenCms - * the Open Source Content Management System * * Copyright (c) Alkacon Software GmbH (http://www.alkacon.com) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * For further information about Alkacon Software, please see the * company website: http://www.alkacon.com * * For further information about OpenCms, please see the * project website: http://www.opencms.org * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package org.opencms.gwt.client.ui.tree; import com.google.gwt.event.logical.shared.OpenEvent; import com.google.gwt.event.logical.shared.OpenHandler; /** * Lazy tree open handler interface.<p> * * @param <I> the specific lazy tree item implementation * * @since 8.0.0 * * @see org.opencms.gwt.client.ui.tree.CmsLazyTreeItem */ public interface I_CmsLazyOpenHandler<I extends CmsLazyTreeItem> extends OpenHandler<I> { /** * @see com.google.gwt.event.logical.shared.OpenHandler#onOpen(com.google.gwt.event.logical.shared.OpenEvent) */ void onOpen(OpenEvent<I> event); /** * Load the children of the given tree item.<p> * * @param target the tree item to be loaded */ void load(I target); }