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; import org.opencms.file.CmsProject; import org.opencms.main.CmsException; import org.opencms.main.CmsLog; import org.opencms.main.OpenCms; import org.opencms.ui.A_CmsUI; import org.opencms.ui.CmsVaadinUtils; import org.opencms.ui.I_CmsDialogContext; import org.opencms.ui.apps.CmsFileExplorerConfiguration; import org.opencms.ui.apps.CmsPageEditorConfiguration; import org.opencms.ui.apps.I_CmsHasAppLaunchCommand; import org.opencms.ui.apps.I_CmsWorkplaceAppConfiguration; import org.opencms.ui.apps.Messages; import org.opencms.ui.components.CmsBasicDialog; import org.opencms.ui.components.CmsOkCancelActionHandler; import org.opencms.util.CmsUUID; import java.util.Collections; import org.apache.commons.logging.Log; import com.vaadin.data.Property.ValueChangeEvent; import com.vaadin.data.Property.ValueChangeListener; import com.vaadin.data.util.IndexedContainer; import com.vaadin.shared.ui.combobox.FilteringMode; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import com.vaadin.ui.ComboBox; import com.vaadin.ui.FormLayout; import com.vaadin.ui.UI; /** * The project select dialog.<p> */ public class CmsProjectSelectDialog extends CmsBasicDialog { /** Logger instance for this class. */ static final Log LOG = CmsLog.getLog(CmsProjectSelectDialog.class); /** The project name property. */ private static final String CAPTION_PROPERTY = "caption"; /** The serial version id. */ private static final long serialVersionUID = 4455901453008760434L; /** The cancel button. */ private Button m_cancelButton; /** The dialog context. */ private I_CmsDialogContext m_context; /** The project select. */ private ComboBox m_projectComboBox; /** The site select. */ private ComboBox m_siteComboBox; /** * Constructor.<p> * * @param context the dialog context */ public CmsProjectSelectDialog(I_CmsDialogContext context) { m_context = context; setContent(initForm()); m_cancelButton = createButtonCancel(); m_cancelButton.addClickListener(new ClickListener() { private static final long serialVersionUID = 1L; public void buttonClick(ClickEvent event) { cancel(); } }); addButton(m_cancelButton); setActionHandler(new CmsOkCancelActionHandler() { private static final long serialVersionUID = 1L; @Override protected void cancel() { CmsProjectSelectDialog.this.cancel(); } @Override protected void ok() { submit(); } }); } /** * Cancels the dialog action.<p> */ void cancel() { m_context.finish(Collections.<CmsUUID>emptyList()); } /** * Submits the dialog action.<p> */ void submit() { try { CmsProject project = m_context.getCms().readProject((CmsUUID) m_projectComboBox.getValue()); if (!m_context.getCms().getRequestContext().getCurrentProject().equals(project)) { A_CmsUI.get().changeProject(project); } else { project = null; } String siteRoot = (String) m_siteComboBox.getValue(); if (!m_context.getCms().getRequestContext().getSiteRoot().equals(siteRoot)) { A_CmsUI.get().changeSite(siteRoot); } else { siteRoot = null; } if (((project == null) || !project.isOnlineProject()) && CmsFileExplorerConfiguration.APP_ID.equals(m_context.getAppId())) { I_CmsWorkplaceAppConfiguration editorConf = OpenCms.getWorkplaceAppManager() .getAppConfiguration(CmsPageEditorConfiguration.APP_ID); if (editorConf.getVisibility(m_context.getCms()).isActive()) { ((I_CmsHasAppLaunchCommand) editorConf).getAppLaunchCommand().run(); return; } } m_context.finish(project, siteRoot); } catch (CmsException e) { m_context.error(e); } } /** * Initializes the form component.<p> * * @return the form component */ private FormLayout initForm() { FormLayout form = new FormLayout(); form.setWidth("100%"); IndexedContainer sites = CmsVaadinUtils.getAvailableSitesContainer(m_context.getCms(), CAPTION_PROPERTY); m_siteComboBox = prepareComboBox(sites, org.opencms.workplace.Messages.GUI_LABEL_SITE_0); m_siteComboBox.select(m_context.getCms().getRequestContext().getSiteRoot()); form.addComponent(m_siteComboBox); ValueChangeListener changeListener = new ValueChangeListener() { private static final long serialVersionUID = 1L; public void valueChange(ValueChangeEvent event) { submit(); } }; m_siteComboBox.addValueChangeListener(changeListener); IndexedContainer projects = CmsVaadinUtils.getProjectsContainer(m_context.getCms(), CAPTION_PROPERTY); m_projectComboBox = prepareComboBox(projects, org.opencms.workplace.Messages.GUI_LABEL_PROJECT_0); CmsUUID currentProjectId = m_context.getCms().getRequestContext().getCurrentProject().getUuid(); if (projects.containsId(currentProjectId)) { m_projectComboBox.select(currentProjectId); } else { try { CmsUUID ouProject = OpenCms.getOrgUnitManager().readOrganizationalUnit(m_context.getCms(), m_context.getCms().getRequestContext().getOuFqn()).getProjectId(); if (projects.containsId(ouProject)) { m_projectComboBox.select(ouProject); } } catch (CmsException e) { LOG.error("Error while reading current OU.", e); } } form.addComponent(m_projectComboBox); m_projectComboBox.addValueChangeListener(changeListener); return form; } /** * Prepares a combo box.<p> * * @param container the indexed item container * @param captionKey the caption message key * * @return the combo box */ private ComboBox prepareComboBox(IndexedContainer container, String captionKey) { ComboBox result = new ComboBox(CmsVaadinUtils.getWpMessagesForCurrentLocale().key(captionKey), container); result.setTextInputAllowed(true); result.setNullSelectionAllowed(false); result.setWidth("100%"); result.setInputPrompt( Messages.get().getBundle(UI.getCurrent().getLocale()).key(Messages.GUI_EXPLORER_CLICK_TO_EDIT_0)); result.setItemCaptionPropertyId(CAPTION_PROPERTY); result.setFilteringMode(FilteringMode.CONTAINS); return result; } }