Java tutorial
/* * This library is part of OpenCms - * the Open Source Content Management System * * Copyright (c) Alkacon Software GmbH & Co. KG (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.ui.dialogs.embedded; import org.opencms.ui.A_CmsUI; import org.opencms.ui.CmsVaadinUtils; import org.opencms.ui.I_CmsDialogContext; import org.opencms.ui.components.CmsBasicDialog; import org.opencms.ui.dataview.CmsDataViewPanel; import org.opencms.widgets.dataview.I_CmsDataView; import org.opencms.widgets.dataview.I_CmsDataViewItem; import java.util.List; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import com.vaadin.ui.JavaScript; import com.vaadin.ui.VerticalLayout; /** * Dialog used to select data items from an external data source.<p> */ public class CmsDataViewDialog extends CmsBasicDialog { /** The serial version id. */ private static final long serialVersionUID = 1L; /** The container for the other widgets. */ private VerticalLayout m_container; /** The OK button. */ private Button m_okButton; /** The cancel button. */ private Button m_cancelButton; /** The dialog context. */ private I_CmsDialogContext m_context; /** * Creates a new instance.<p> * * @param context the dialog context */ public CmsDataViewDialog(I_CmsDialogContext context) { m_context = context; CmsVaadinUtils.readAndLocalizeDesign(this, CmsVaadinUtils.getWpMessagesForCurrentLocale(), null); final CmsDataViewParams params = new CmsDataViewParams(A_CmsUI.get().getPage().getLocation()); I_CmsDataView example = params.createViewInstance(context.getCms(), A_CmsUI.get().getLocale()); final CmsDataViewPanel panel = new CmsDataViewPanel(example, params.isMultiSelect()); panel.setSizeFull(); m_container.addComponent(panel); m_okButton.addClickListener(new ClickListener() { private static final long serialVersionUID = 1L; @SuppressWarnings("synthetic-access") public void buttonClick(ClickEvent event) { List<I_CmsDataViewItem> result = panel.getSelection(); String script = params.prepareCallbackScript(result); JavaScript.eval(script); m_context.finish(null); } }); m_cancelButton.addClickListener(new ClickListener() { private static final long serialVersionUID = 1L; @SuppressWarnings("synthetic-access") public void buttonClick(ClickEvent event) { m_context.finish(null); } }); } }