Java tutorial
/** * OpenKM, Open Document Management System (http://www.openkm.com) * Copyright (c) 2006-2015 Paco Avila & Josep Llort * * No bytes were intentionally harmed during the development of this application. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package com.openkm.frontend.client; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.Map; import com.allen_sauer.gwt.log.client.DivLogger; import com.allen_sauer.gwt.log.client.Log; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.core.client.GWT; import com.google.gwt.user.client.Cookies; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.Window.ClosingEvent; import com.google.gwt.user.client.Window.ClosingHandler; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.rpc.InvocationException; import com.google.gwt.user.client.rpc.StatusCodeException; import com.google.gwt.user.client.ui.RootPanel; import com.openkm.frontend.client.bean.GWTFolder; import com.openkm.frontend.client.bean.GWTUserConfig; import com.openkm.frontend.client.bean.RepositoryContext; import com.openkm.frontend.client.extension.comunicator.NavigatorComunicator; import com.openkm.frontend.client.extension.event.HasLanguageEvent; import com.openkm.frontend.client.extension.event.handler.LanguageHandlerExtension; import com.openkm.frontend.client.extension.event.hashandler.HasLanguageHandlerExtension; import com.openkm.frontend.client.panel.ExtendedDockPanel; import com.openkm.frontend.client.service.OKMDocumentService; import com.openkm.frontend.client.service.OKMDocumentServiceAsync; import com.openkm.frontend.client.service.OKMFolderService; import com.openkm.frontend.client.service.OKMFolderServiceAsync; import com.openkm.frontend.client.service.OKMLanguageService; import com.openkm.frontend.client.service.OKMLanguageServiceAsync; import com.openkm.frontend.client.service.OKMMailService; import com.openkm.frontend.client.service.OKMMailServiceAsync; import com.openkm.frontend.client.service.OKMRepositoryService; import com.openkm.frontend.client.service.OKMRepositoryServiceAsync; import com.openkm.frontend.client.util.CommonUI; import com.openkm.frontend.client.util.ConversionStatus; import com.openkm.frontend.client.util.Location; import com.openkm.frontend.client.util.Util; import com.openkm.frontend.client.util.WindowUtils; import com.openkm.frontend.client.util.WorkspaceUserProperties; import com.openkm.frontend.client.widget.AboutPopup; import com.openkm.frontend.client.widget.ConfirmPopup; import com.openkm.frontend.client.widget.massive.ConvertPopup; import com.openkm.frontend.client.widget.DebugConsolePopup; import com.openkm.frontend.client.widget.Dragable; import com.openkm.frontend.client.widget.ErrorPopup; import com.openkm.frontend.client.widget.ExternalURLPopup; import com.openkm.frontend.client.widget.LogoutPopup; import com.openkm.frontend.client.widget.MsgPopup; import com.openkm.frontend.client.widget.ReportPopup; import com.openkm.frontend.client.widget.TemplatePopup; import com.openkm.frontend.client.widget.UserPopup; import com.openkm.frontend.client.widget.WorkflowPopup; import com.openkm.frontend.client.widget.chat.OnlineUsersPopup; import com.openkm.frontend.client.widget.finddocument.FindDocumentSelectPopup; import com.openkm.frontend.client.widget.findfolder.FindFolderSelectPopup; import com.openkm.frontend.client.widget.findsimilar.FindSimilarDocumentSelectPopup; import com.openkm.frontend.client.widget.foldertree.FolderTree; import com.openkm.frontend.client.widget.massive.CategoriesPopup; import com.openkm.frontend.client.widget.massive.KeywordsPopup; import com.openkm.frontend.client.widget.massive.NotesPopup; import com.openkm.frontend.client.widget.massive.PdfMergePopup; import com.openkm.frontend.client.widget.massive.PropertyGroupPopup; import com.openkm.frontend.client.widget.massive.UpdatePropertyGroupPopup; import com.openkm.frontend.client.widget.notify.NotifyPopup; import com.openkm.frontend.client.widget.security.SecurityPopup; import com.openkm.frontend.client.widget.startup.StartUp; import com.openkm.frontend.client.widget.startup.StartUpPopup; import com.openkm.frontend.client.widget.test.TestPopup; import com.openkm.frontend.client.widget.upload.FileUploadPopup; import com.openkm.frontend.client.widget.wizard.TemplateWizardPopup; import com.openkm.frontend.client.widget.wizard.WizardPopup; /** * Main entry point application * * @author jllort */ public final class Main implements EntryPoint, HasLanguageHandlerExtension, HasLanguageEvent { public static String CONTEXT = "/OpenKM"; private static Main singleton; private final OKMLanguageServiceAsync languageService = (OKMLanguageServiceAsync) GWT .create(OKMLanguageService.class); private final OKMRepositoryServiceAsync repositoryService = (OKMRepositoryServiceAsync) GWT .create(OKMRepositoryService.class); private final OKMFolderServiceAsync folderService = (OKMFolderServiceAsync) GWT.create(OKMFolderService.class); private final OKMDocumentServiceAsync documentService = (OKMDocumentServiceAsync) GWT .create(OKMDocumentService.class); private static final OKMMailServiceAsync mailService = (OKMMailServiceAsync) GWT.create(OKMMailService.class); private List<String> extensionUuidList = new ArrayList<String>(); /** * @return singleton Main instance */ public static Main get() { return singleton; } // Main panel declaration public ExtendedDockPanel mainPanel; // Other panel declaration public StartUpPopup startUpPopup; public FileUploadPopup fileUpload; public ErrorPopup errorPopup; public ErrorPopup errorPopupLogout; public MsgPopup msgPopup; public ExternalURLPopup externalURLPopup; public LogoutPopup logoutPopup; public SecurityPopup securityPopup; public AboutPopup aboutPopup; public UserPopup userPopup; public ConfirmPopup confirmPopup; public Dragable dragable; public PropertyGroupPopup propertyGroupPopup; public WorkflowPopup workflowPopup; public NotifyPopup notifyPopup; public DebugConsolePopup debugConsolePopup; public FindFolderSelectPopup findFolderSelectPopup; public FindDocumentSelectPopup findDocumentSelectPopup; public FindSimilarDocumentSelectPopup findSimilarDocumentSelectPopup; public WizardPopup wizardPopup; public ReportPopup reportPopup; public TemplateWizardPopup templateWizardPopup; public OnlineUsersPopup onlineUsersPopup; public TestPopup testPopup; public NotesPopup notesPopup; public CategoriesPopup categoriesPopup; public KeywordsPopup keywordsPopup; public PdfMergePopup pdfMergePopup; public TemplatePopup templatePopup; public ConversionStatus conversionStatus; public UpdatePropertyGroupPopup updatePropertyGroupPopup; public ConvertPopup convertPopup; // User workspace properties public WorkspaceUserProperties workspaceUserProperties; // Language declarations private String lang; private Map<String, String> hI18n; public Map<String, String> hPropertyGroupI18n; // The nodePath parameter public String fldPath = ""; // Used for folderTree because docPath is set to null by filebroeser on this case the // refreshing // panels are not sincronized ( loading ) public String docPath = ""; // Used for folderTree because docPath is set to null by filebroeser on this case the // refreshing // panels are not sincronized ( loading ) private String uuid = ""; public String taskInstanceId = ""; // Used for workflowDashboard for set pending user task // Main root folders and user home general values for all app public GWTFolder taxonomyRootFolder; public GWTFolder categoriesRootFolder; public GWTFolder metadataRootFolder; public GWTFolder thesaurusRootFolder; public GWTFolder personalRootFolder; public GWTFolder templatesRootFolder; public GWTFolder mailRootFolder; public GWTFolder trashRootFolder; public GWTUserConfig userHome; public FolderTree activeFolderTree; // The active folder // The satartUp sequence public StartUp startUp; // The location ( url params ) public Location loc; // Repository context public RepositoryContext repositoryContext; // Logout trick public boolean windowClosing = false; // Lnaguage widget handlers List<LanguageHandlerExtension> langHandlerExtensionList; /* * (non-Javadoc) * @see com.google.gwt.core.client.EntryPoint#onModuleLoad() */ public void onModuleLoad() { Log.getLogger(DivLogger.class).getWidget().setVisible(false); Log.setUncaughtExceptionHandler(); if (GWT.isProdMode()) { Log.setCurrentLogLevel(Log.LOG_LEVEL_OFF); } else { Log.setCurrentLogLevel(Log.LOG_LEVEL_DEBUG); } singleton = this; // All objects defined before singleton to use global reference. langHandlerExtensionList = new ArrayList<LanguageHandlerExtension>(); // Saves repository context paths repositoryContext = new RepositoryContext(); // Request parameter loc = WindowUtils.getLocation(); // Capture web application context if (Cookies.getCookie("ctx") != null && !Cookies.getCookie("ctx").equals("")) { CONTEXT = Cookies.getCookie("ctx"); } else { // Otherwise we try to guess CONTEXT = loc.getContext(); } if (loc.getParameter("uuid") != null && !loc.getParameter("uuid").equals("")) { uuid = loc.getParameter("uuid"); } else if (loc.getParameter("docPath") != null && !loc.getParameter("docPath").equals("")) { docPath = loc.getParameter("docPath"); fldPath = Util.getParent(docPath); } else if (loc.getParameter("fldPath") != null && !loc.getParameter("fldPath").equals("")) { fldPath = loc.getParameter("fldPath"); } else if (loc.getParameter("mailPath") != null && !loc.getParameter("mailPath").equals("")) { fldPath = Util.getParent(loc.getParameter("mailPath")); } else if (loc.getParameter("taskInstanceId") != null && !loc.getParameter("taskInstanceId").equals("")) { taskInstanceId = loc.getParameter("taskInstanceId"); } // Try to capture lang parameter if (loc.getParameter("lang") != null && !loc.getParameter("lang").equals("")) { lang = loc.getParameter("lang"); } else if (Cookies.getCookie("lang") != null && !Cookies.getCookie("lang").equals("")) { lang = Cookies.getCookie("lang"); } else { // First we initialize language values lang = Util.getBrowserLanguage(); } if (!uuid.equals("")) { repositoryService.getPathByUUID(uuid, new AsyncCallback<String>() { @Override public void onSuccess(String result) { final String path = result; folderService.isValid(path, new AsyncCallback<Boolean>() { @Override public void onSuccess(Boolean result) { if (result.booleanValue()) { fldPath = path; loadTranslations(); } else { documentService.isValid(path, new AsyncCallback<Boolean>() { @Override public void onSuccess(Boolean result) { if (result.booleanValue()) { docPath = path; fldPath = Util.getParent(path); loadTranslations(); } else { mailService.isValid(path, new AsyncCallback<Boolean>() { @Override public void onSuccess(Boolean result) { if (result.booleanValue()) { docPath = path; fldPath = Util.getParent(path); loadTranslations(); } else { loadTranslations(); // Should never arrive here } } @Override public void onFailure(Throwable caught) { loadTranslations(); } }); } } @Override public void onFailure(Throwable caught) { loadTranslations(); } }); } } @Override public void onFailure(Throwable caught) { loadTranslations(); } }); } @Override public void onFailure(Throwable caught) { loadTranslations(); } }); } else { loadTranslations(); } } /** * loadTranslations */ public void loadTranslations() { // Getting language languageService.getFrontEndTranslations(Main.get().getLang(), new AsyncCallback<Map<String, String>>() { @Override public void onSuccess(Map<String, String> result) { hI18n = result; onModuleLoad2(); // continues normal loading } @Override public void onFailure(Throwable caught) { Window.alert("Error getting translations: " + caught.getMessage()); } }); } /** * onModuleLoad2 */ public void onModuleLoad2() { // Initialize workspace properties workspaceUserProperties = new WorkspaceUserProperties(); // Initialize user home userHome = new GWTUserConfig(); // Initialize panels mainPanel = new ExtendedDockPanel(); // Loading popup startUpPopup = new StartUpPopup(); startUpPopup.setWidth("300px"); startUpPopup.setHeight("220px"); startUpPopup.setStyleName("okm-Popup"); startUpPopup.addStyleName("okm-DisableSelect"); // Initialize general panels fileUpload = new FileUploadPopup(); fileUpload.setStyleName("okm-Popup"); errorPopup = new ErrorPopup(false); errorPopup.setStyleName("okm-Popup-Error"); errorPopup.setWidth("380px"); errorPopup.setHeight("205px"); errorPopupLogout = new ErrorPopup(true); errorPopupLogout.setStyleName("okm-Popup-Error"); errorPopupLogout.setWidth("300px"); errorPopupLogout.setHeight("205px"); msgPopup = new MsgPopup(); msgPopup.setStyleName("okm-Popup"); msgPopup.setWidth("550px"); msgPopup.setHeight("290px"); externalURLPopup = new ExternalURLPopup(); externalURLPopup.setStyleName("okm-Popup"); logoutPopup = new LogoutPopup(); logoutPopup.setWidth("250"); logoutPopup.setHeight("110"); logoutPopup.setStyleName("okm-Popup"); logoutPopup.addStyleName("okm-DisableSelect"); securityPopup = new SecurityPopup(); securityPopup.setWidth("600"); securityPopup.setHeight("400"); securityPopup.setStyleName("okm-Popup"); securityPopup.addStyleName("okm-DisableSelect"); aboutPopup = new AboutPopup(); aboutPopup.setWidth("300px"); aboutPopup.setHeight("220px"); aboutPopup.setStyleName("okm-Popup"); aboutPopup.addStyleName("okm-DisableSelect"); userPopup = new UserPopup(); userPopup.setWidth("470px"); userPopup.setHeight("220px"); userPopup.setStyleName("okm-Popup"); // userPopup.addStyleName("okm-DisableSelect"); confirmPopup = new ConfirmPopup(); confirmPopup.setWidth("300px"); confirmPopup.setHeight("125px"); confirmPopup.setStyleName("okm-Popup"); confirmPopup.addStyleName("okm-DisableSelect"); dragable = new Dragable(); propertyGroupPopup = new PropertyGroupPopup(); propertyGroupPopup.setWidth("300px"); propertyGroupPopup.setHeight("50px"); propertyGroupPopup.setStyleName("okm-Popup"); propertyGroupPopup.addStyleName("okm-DisableSelect"); workflowPopup = new WorkflowPopup(); workflowPopup.setWidth("300px"); workflowPopup.setHeight("100px"); workflowPopup.setStyleName("okm-Popup"); workflowPopup.addStyleName("okm-DisableSelect"); notifyPopup = new NotifyPopup(); notifyPopup.setWidth("400px"); notifyPopup.setHeight("100px"); notifyPopup.setStyleName("okm-Popup"); debugConsolePopup = new DebugConsolePopup(); debugConsolePopup.setWidth("300px"); debugConsolePopup.setHeight("100px"); debugConsolePopup.setStyleName("okm-Popup"); debugConsolePopup.addStyleName("okm-DisableSelect"); findFolderSelectPopup = new FindFolderSelectPopup(); findFolderSelectPopup.setWidth("700px"); findFolderSelectPopup.setHeight("390px"); findFolderSelectPopup.setStyleName("okm-Popup"); findFolderSelectPopup.addStyleName("okm-DisableSelect"); findDocumentSelectPopup = new FindDocumentSelectPopup(); findDocumentSelectPopup.setWidth("700px"); findDocumentSelectPopup.setHeight("390px"); findDocumentSelectPopup.setStyleName("okm-Popup"); findDocumentSelectPopup.addStyleName("okm-DisableSelect"); findSimilarDocumentSelectPopup = new FindSimilarDocumentSelectPopup(); findSimilarDocumentSelectPopup.setWidth("700px"); findSimilarDocumentSelectPopup.setHeight("390px"); findSimilarDocumentSelectPopup.setStyleName("okm-Popup"); findSimilarDocumentSelectPopup.addStyleName("okm-DisableSelect"); wizardPopup = new WizardPopup(); wizardPopup.setWidth("400px"); wizardPopup.setHeight("40px"); wizardPopup.setStyleName("okm-Popup"); wizardPopup.addStyleName("okm-DisableSelect"); reportPopup = new ReportPopup(); reportPopup.setWidth("250px"); reportPopup.setHeight("40px"); reportPopup.setStyleName("okm-Popup"); reportPopup.addStyleName("okm-DisableSelect"); templateWizardPopup = new TemplateWizardPopup(); templateWizardPopup.setWidth("400px"); templateWizardPopup.setHeight("40px"); templateWizardPopup.setStyleName("okm-Popup"); templateWizardPopup.addStyleName("okm-DisableSelect"); onlineUsersPopup = new OnlineUsersPopup(); onlineUsersPopup.setWidth("250px"); onlineUsersPopup.setHeight("350px"); onlineUsersPopup.setStyleName("okm-Popup"); onlineUsersPopup.addStyleName("okm-DisableSelect"); testPopup = new TestPopup(); testPopup.setWidth("600px"); testPopup.setHeight("500px"); testPopup.setStyleName("okm-Popup"); notesPopup = new NotesPopup(); notesPopup.setWidth("470px"); notesPopup.setHeight("220px"); notesPopup.setStyleName("okm-Popup"); categoriesPopup = new CategoriesPopup(); categoriesPopup.setWidth("470px"); categoriesPopup.setHeight("220px"); categoriesPopup.setStyleName("okm-Popup"); keywordsPopup = new KeywordsPopup(); keywordsPopup.setWidth("470px"); keywordsPopup.setHeight("100px"); keywordsPopup.setStyleName("okm-Popup"); pdfMergePopup = new PdfMergePopup(); pdfMergePopup.setWidth("400px"); pdfMergePopup.setHeight("75px"); pdfMergePopup.setStyleName("okm-Popup"); templatePopup = new TemplatePopup(); templatePopup.setWidth("350px"); templatePopup.setHeight("75px"); templatePopup.setStyleName("okm-Popup"); conversionStatus = new ConversionStatus(); updatePropertyGroupPopup = new UpdatePropertyGroupPopup(); updatePropertyGroupPopup.setWidth("250px"); updatePropertyGroupPopup.setHeight("50px"); updatePropertyGroupPopup.setStyleName("okm-Popup"); convertPopup = new ConvertPopup(); convertPopup.setWidth("150px"); convertPopup.setHeight("50px"); convertPopup.setStyleName("okm-Popup"); // Get grid of scrollbars, and clear out the window's built-in margin, // because we want to take advantage of the entire client area. Window.enableScrolling(false); Window.setMargin("0px"); RootPanel.get().add(mainPanel); RootPanel.get().add(dragable); Window.addWindowClosingHandler(new ClosingHandler() { @Override public void onWindowClosing(ClosingEvent event) { Main.get().windowClosing = true; startUp.keepAlive.cancel(); if (Main.get().mainPanel.bottomPanel.userInfo.isConnectedToChat()) { Main.get().mainPanel.bottomPanel.userInfo.logoutChat(); } } }); // Sets the active folder tree, it'll be used to store the active folder // every time switching stack panel activeFolderTree = mainPanel.desktop.navigator.taxonomyTree; // Initialize on startup when all objects are created sequentially startUpPopup.show(); startUp = new StartUp(); startUp.init(); // Auto-publish the method into JS when the GWT module loads. initJavaScriptApi(); mainPanel.topPanel.toolBar.initJavaScriptApi(mainPanel.topPanel.toolBar); fileUpload.initJavaScriptApi(); new NavigatorComunicator().initJavaScriptApi(); // Initialize commonUI public js api CommonUI commonUI = new CommonUI(); commonUI.initJavaScriptApi(commonUI); } /** * Refresh language * * @param lang The language code */ public void refreshLang(String lang) { this.lang = lang; languageService.getFrontEndTranslations(lang, new AsyncCallback<Map<String, String>>() { @Override public void onSuccess(Map<String, String> result) { hI18n = result; fireEvent(HasLanguageEvent.LANGUAGE_CHANGED); mainPanel.desktop.navigator.langRefresh(); mainPanel.topPanel.langRefresh(); mainPanel.desktop.browser.langRefresh(); mainPanel.search.historySearch.langRefresh(); mainPanel.search.searchBrowser.langRefresh(); mainPanel.bottomPanel.langRefresh(); mainPanel.dashboard.langRefresh(); fileUpload.langRefresh(); logoutPopup.langRefresh(); securityPopup.langRefresh(); aboutPopup.langRefresh(); userPopup.langRefresh(); confirmPopup.langRefresh(); msgPopup.langRefresh(); errorPopup.langRefresh(); errorPopupLogout.langRefresh(); externalURLPopup.langRefresh(); propertyGroupPopup.langRefresh(); workflowPopup.langRefresh(); notifyPopup.langRefresh(); debugConsolePopup.langRefresh(); findFolderSelectPopup.langRefresh(); wizardPopup.langRefresh(); reportPopup.langRefresh(); templateWizardPopup.langRefresh(); onlineUsersPopup.langRefresh(); notesPopup.langRefresh(); categoriesPopup.langRefresh(); keywordsPopup.langRefresh(); pdfMergePopup.langRefresh(); templatePopup.langRefresh(); updatePropertyGroupPopup.langRefresh(); convertPopup.langRefresh(); // Refreshing all menus on tabs not only the active mainPanel.desktop.navigator.taxonomyTree.langRefresh(); mainPanel.desktop.navigator.thesaurusTree.langRefresh(); mainPanel.desktop.navigator.personalTree.langRefresh(); mainPanel.desktop.navigator.templateTree.langRefresh(); mainPanel.desktop.navigator.trashTree.langRefresh(); mainPanel.desktop.navigator.thesaurusTree.thesaurusSelectPopup.langRefresh(); // execute refresh when changing language ( need reordering folders, documents, etc. by active lang ) mainPanel.topPanel.toolBar.executeRefresh(); } @Override public void onFailure(Throwable caught) { Window.alert("Error getFrontEndTranslations"); } }); } /** * Sets the lang map values */ public void setLangMap(Map<String, String> hI18n) { this.hI18n = hI18n; } /** * Gets the actual lang * * @return lang The language code */ public String getLang() { return lang; } /** * Shows popup error message ( unique entry point for error on all application ) * * @param okme The exception error */ public void showError(Class<?> clazz, String callback, Throwable caught) { showError(clazz + "." + callback, caught); } /** * Shows popup error message ( unique entry point for error on all application ) * * @param okm The exception error */ public void showError(String callback, Throwable caught) { startUp.recoverFromError(); if (caught instanceof OKMException) { OKMException okme = (OKMException) caught; Log.error("OKMException(" + callback + "): " + okme.getCode()); errorPopup.show(okme.getCode() + "(" + callback + "): " + i18n(okme.getCode()) + "<br><br>" + okme.getMessage()); } else if (caught instanceof InvocationException) { InvocationException ie = (InvocationException) caught; Log.error("InvocationException(" + callback + "): " + ie); if (!Main.get().windowClosing) { errorPopup.show(Main.i18n("error.invocation") + " (" + callback + ")"); } } else if (caught instanceof StatusCodeException) { StatusCodeException ie = (StatusCodeException) caught; Log.error("StatusCodeException(" + callback + "): " + ie + "<br/>HTTP status code error:" + ie.getStatusCode()); mainPanel.bottomPanel.setStatus("status.network.error.detected", true, ie.getStatusCode()); } else { Log.error("UnknownException(" + callback + "): " + caught.getMessage()); errorPopup.show(callback + ": " + caught.getMessage()); } } /** * Gets the i18n param translation * * @param properties The propetie code locator * @return The translated value */ public static String i18n(String property) { // All frontend properties starts with frontend. String ret = (String) Main.get().hI18n.get("frontend." + property); if (ret == null) { ret = property; } return ret; } /** * Gets the i18n extension param translation * * @param properties The propetier code locator * @return The translated value */ public String i18nExtension(String property) { // All extension properties starts with extension. String ret = (String) Main.get().hI18n.get("extension." + property); if (ret == null) { ret = property; } return ret; } /** * getExtensionUuidList * * @return */ public List<String> getExtensionUuidList() { return extensionUuidList; } /** * setExtensionUuidList * * @param extensionUuidList */ public void setExtensionUuidList(List<String> extensionUuidList) { this.extensionUuidList = extensionUuidList; } @Override public void addLanguageHandlerExtension(LanguageHandlerExtension handlerExtension) { langHandlerExtensionList.add(handlerExtension); } @Override public void fireEvent(LanguageEventConstant event) { for (Iterator<LanguageHandlerExtension> it = langHandlerExtensionList.iterator(); it.hasNext();) { it.next().onChange(event); } } /** * initJavaScriptApi */ native void initJavaScriptApi() /*-{ // define a static JS function with a friendly name $wnd.i18n = function(s) { return @com.openkm.frontend.client.Main::i18n(Ljava/lang/String;)(s); }; $wnd.jsI18n = function(s) { return @com.openkm.frontend.client.Main::i18n(Ljava/lang/String;)(s); }; }-*/; }