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.client; import org.opencms.gwt.client.ui.CmsInfoHeader; import org.opencms.gwt.client.util.CmsDebugLog; import org.opencms.gwt.client.util.CmsJsUtil; import org.opencms.gwt.client.util.CmsScriptCallbackHelper; import org.opencms.gwt.shared.CmsGwtConstants; import org.opencms.ui.shared.rpc.I_CmsSitemapClientRpc; import org.opencms.ui.shared.rpc.I_CmsSitemapServerRpc; import java.util.Map; import com.google.common.collect.Maps; import com.google.gwt.core.client.JavaScriptObject; import com.google.gwt.core.client.JsArrayString; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.RootPanel; import com.vaadin.client.ServerConnector; import com.vaadin.client.extensions.AbstractExtensionConnector; import com.vaadin.shared.ui.Connect; /** * Connector class for the Vaadin extension used to embed Vaadin dialogs in the sitemap editor.<p> */ @Connect(org.opencms.ui.sitemap.CmsSitemapExtension.class) public class CmsSitemapExtensionConnector extends AbstractExtensionConnector implements I_CmsSitemapClientRpc { /** Counter used to generate unique ids for RPC calls. */ public static int CALL_COUNTER = 1; /** The singleton instance of this class. */ static CmsSitemapExtensionConnector INSTANCE; /** Serial version id. */ private static final long serialVersionUID = 1L; /** Map of callbacks for RPC responses. */ private Map<String, AsyncCallback<String>> m_callbacks = Maps.newHashMap(); /** * Creates a new instance.<p> */ public CmsSitemapExtensionConnector() { super(); registerRpc(I_CmsSitemapClientRpc.class, this); INSTANCE = this; } /** * Gets the static instance of this class.<p> * * @return the instance */ public static CmsSitemapExtensionConnector get() { return INSTANCE; } /** * @see org.opencms.ui.shared.rpc.I_CmsSitemapClientRpc#finishPageCopyDialog(java.lang.String, java.lang.String) */ public void finishPageCopyDialog(String callId, String response) { m_callbacks.get(callId).onSuccess(response); m_callbacks.remove(callId); } /** * Installs the native JavaScript functions used to access Vaadin functionality from the sitemap editor's GWT module.<p> */ public native void installNativeFunctions() /*-{ var self = this; $wnd.cmsOpenPageCopyDialog = function(id, callback) { self.@org.opencms.ui.client.CmsSitemapExtensionConnector::openPageCopyDialog(Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(id , callback); } }-*/; /** * Opens the page copy dialog.<p> * * @param structureId the structure id of the resource for which to open the dialog * @param callback the callback to call with the result when the dialog has finished */ public void openPageCopyDialog(String structureId, AsyncCallback<String> callback) { String callId = "" + CALL_COUNTER++; m_callbacks.put(callId, callback); getRpcProxy(I_CmsSitemapServerRpc.class).openPageCopyDialog(callId, "" + structureId); } /** * Opens the page copy dialog.<p> * * @param id the structure id of the resource for which to open the dialog * @param callback the native callback to call with the result when the dialog has finished */ public void openPageCopyDialog(String id, JavaScriptObject callback) { openPageCopyDialog(id, CmsJsUtil.wrapCallback(callback)); } /** * @see org.opencms.ui.shared.rpc.I_CmsSitemapClientRpc#openPropertyDialog(java.lang.String, java.lang.String) */ public void openPropertyDialog(String structureIdStr, String rootIdStr) { CmsJsUtil.callNamedFunctionWithString2(CmsGwtConstants.LOCALECOMPARE_EDIT_PROPERTIES, structureIdStr, rootIdStr); } /** * @see org.opencms.ui.shared.rpc.I_CmsSitemapClientRpc#showInfoHeader(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String) */ public void showInfoHeader(String title, String description, String path, String locale, String typeIcon) { CmsInfoHeader header = new CmsInfoHeader(title, description, path, locale, typeIcon); RootPanel panel = RootPanel.get(CmsGwtConstants.ID_LOCALE_HEADER_CONTAINER); if (panel == null) { CmsDebugLog.consoleLog("no element #locale-header-container found"); } else { if (panel.getWidgetCount() > 0) { panel.remove(0); } panel.add(header); } } /** * @see com.vaadin.client.extensions.AbstractExtensionConnector#extend(com.vaadin.client.ServerConnector) */ @Override protected void extend(ServerConnector target) { installNativeFunctions(); CmsScriptCallbackHelper callbackHelper = new CmsScriptCallbackHelper() { @Override @SuppressWarnings("synthetic-access") public void run() { JsArrayString arguments = m_arguments.cast(); getRpcProxy(I_CmsSitemapServerRpc.class).showLocaleComparison(arguments.get(0)); } }; callbackHelper.installCallbackOnWindow(CmsGwtConstants.CALLBACK_REFRESH_LOCALE_COMPARISON); CmsScriptCallbackHelper propertySaveHelper = new CmsScriptCallbackHelper() { @SuppressWarnings("synthetic-access") @Override public void run() { JsArrayString arguments = m_arguments.cast(); String id = arguments.get(0); getRpcProxy(I_CmsSitemapServerRpc.class).handleChangedProperties(id); } }; propertySaveHelper.installCallbackOnWindow(CmsGwtConstants.CALLBACK_HANDLE_CHANGED_PROPERTIES); } }