Java tutorial
/** * This file is part of Archiv-Editor. * * The software Archiv-Editor serves as a client user interface for working with * the Person Data Repository. See: pdr.bbaw.de * * The software Archiv-Editor was developed at the Berlin-Brandenburg Academy * of Sciences and Humanities, Jgerstr. 22/23, D-10117 Berlin. * www.bbaw.de * * Copyright (C) 2010-2013 Berlin-Brandenburg Academy * of Sciences and Humanities * * The software Archiv-Editor was developed by @author: Christoph Plutte. * * Archiv-Editor 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 3 of the License, or * (at your option) any later version. * * Archiv-Editor 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. * * You should have received a copy of the GNU Lesser General Public License * along with Archiv-Editor. * If not, see <http://www.gnu.org/licenses/lgpl-3.0.html>. */ package org.bbaw.pdr.ae.view.main.preferences; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.util.ArrayList; import java.util.Properties; import org.bbaw.pdr.ae.common.AEConstants; import org.bbaw.pdr.ae.common.CommonActivator; import org.bbaw.pdr.ae.common.NLMessages; import org.bbaw.pdr.ae.view.main.internal.Activator; import org.eclipse.core.commands.ExecutionException; import org.eclipse.core.commands.NotEnabledException; import org.eclipse.core.commands.NotHandledException; import org.eclipse.core.commands.common.NotDefinedException; import org.eclipse.core.runtime.ILog; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Platform; import org.eclipse.core.runtime.Status; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.preference.BooleanFieldEditor; import org.eclipse.jface.preference.ComboFieldEditor; import org.eclipse.jface.preference.FieldEditorPreferencePage; import org.eclipse.jface.util.PropertyChangeEvent; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.handlers.IHandlerService; import org.eclipse.ui.progress.UIJob; /** * The Class GeneralPage. * @author Christoph Plutte */ public class GeneralPage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage { /** Logger. */ private static ILog iLogger = AEConstants.ILOGGER; private boolean _restartRequiered = false; private boolean _langSetting = Platform.getPreferencesService().getBoolean(CommonActivator.PLUGIN_ID, "USER_SELECTED_LANG_OK", false, null); private String _lang = Platform.getPreferencesService().getString(CommonActivator.PLUGIN_ID, "USER_SELECTED_LANG", "de", null); private BooleanFieldEditor _customLangEd; private ComboFieldEditor _langEd; /** * Instantiates a new general page. */ public GeneralPage() { super(GRID); } @Override public final void createFieldEditors() { _customLangEd = new BooleanFieldEditor("USER_SELECTED_LANG_OK", //$NON-NLS-1$ NLMessages.getString("Preference_custom_language_setting"), getFieldEditorParent()); addField(_customLangEd); _langEd = new ComboFieldEditor("USER_SELECTED_LANG", //$NON-NLS-1$ NLMessages.getString("Preference_language"), toStringArrayArray(AEConstants.LANGUAGES_AE), getFieldEditorParent()); addField(_langEd); _langEd.setEnabled(_langSetting, getFieldEditorParent()); Platform.getPreferencesService().getString(CommonActivator.PLUGIN_ID, "USER_SELECTED_LANG", "", null); addField(new BooleanFieldEditor("USER_SAVE_LOGIN", //$NON-NLS-1$ NLMessages.getString("Preference_login_user_automatically"), getFieldEditorParent())); addField(new BooleanFieldEditor("AUTOMATED_UPDATE", //$NON-NLS-1$ NLMessages.getString("Preference_automatically_update"), getFieldEditorParent())); } @Override public void propertyChange(PropertyChangeEvent event) { super.propertyChange(event); // if checkbox for custom language activation has changed, update language selector accordingly if (event.getSource().equals(_customLangEd)) _langEd.setEnabled((Boolean) event.getNewValue(), getFieldEditorParent()); } @Override public final void init(final IWorkbench workbench) { setPreferenceStore(CommonActivator.getDefault().getPreferenceStore()); setDescription(NLMessages.getString("Preference_general_preference_title")); } @Override public final boolean performOk() { String aeInstallation = Platform.getPreferencesService().getString(CommonActivator.PLUGIN_ID, "AE_INSTALLATION_DIR", AEConstants.AE_HOME, null); if (_langSetting != _customLangEd.getBooleanValue()) { _restartRequiered = true; } else if (_customLangEd.getBooleanValue()) { _langEd.store(); String newLang = _langEd.getPreferenceStore().getString("USER_SELECTED_LANG"); if (!_lang.equals(newLang)) { _restartRequiered = true; } } else { _restartRequiered = false; } if (_customLangEd.getBooleanValue()) { String fileName = aeInstallation + AEConstants.FS + "configuration" + AEConstants.FS + "config.ini"; IStatus status = new Status(IStatus.INFO, Activator.PLUGIN_ID, "Preferences General Custom load config.ini: " //$NON-NLS-1$ + fileName); iLogger.log(status); File file = new File(fileName); Properties props = new Properties(); try { props.load(new FileInputStream(file)); } catch (FileNotFoundException e) { status = new Status(IStatus.INFO, Activator.PLUGIN_ID, "Preferences General Custom error loading properties from config.ini: " //$NON-NLS-1$ + e.getMessage()); iLogger.log(status); e.printStackTrace(); } catch (IOException e) { status = new Status(IStatus.INFO, Activator.PLUGIN_ID, "Preferences General Custom error loading properties from config.ini: " //$NON-NLS-1$ + e.getMessage()); iLogger.log(status); e.printStackTrace(); } String lang = props.getProperty("osgi.nl"); // if (lang == null) // { // props.setProperty("osgi.nl", lang); // } status = new Status(IStatus.INFO, Activator.PLUGIN_ID, "Preferences General Custom langeuage old: " //$NON-NLS-1$ + lang); iLogger.log(status); String newLang = Platform.getPreferencesService().getString(CommonActivator.PLUGIN_ID, "USER_SELECTED_LANG", "", null); if (newLang.equals("Deutsch")) { lang = "de"; } else if (newLang.equals("English")) { lang = "en"; } else if (newLang.equals("Francais")) { lang = "fr"; } else if (newLang.equals("Italiano")) { lang = "it"; } else { lang = "en"; } props.setProperty("osgi.nl", lang); status = new Status(IStatus.INFO, Activator.PLUGIN_ID, "Preferences Gener Custom langeuage new: " //$NON-NLS-1$ + lang); iLogger.log(status); // Write properties file. FileOutputStream out; try { out = new FileOutputStream(fileName); props.store(out, "Custom language settings"); out.flush(); out.close(); } catch (FileNotFoundException e1) { e1.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } else { String fileName = aeInstallation + AEConstants.FS + "configuration" + AEConstants.FS + "config.ini"; IStatus status = new Status(IStatus.INFO, Activator.PLUGIN_ID, "Preferences General Custom load config.ini: " //$NON-NLS-1$ + fileName); iLogger.log(status); File file = new File(fileName); if (file.exists()) { Properties props = new Properties(); try { props.load(new FileInputStream(file)); } catch (FileNotFoundException e) { status = new Status(IStatus.INFO, Activator.PLUGIN_ID, "Preferences General Custom error loading properties from config.ini: " //$NON-NLS-1$ + e.getMessage()); iLogger.log(status); e.printStackTrace(); } catch (IOException e) { status = new Status(IStatus.INFO, Activator.PLUGIN_ID, "Preferences General Custom error loading properties from config.ini: " //$NON-NLS-1$ + e.getMessage()); iLogger.log(status); e.printStackTrace(); } String lang = ""; props.setProperty("osgi.nl", lang); status = new Status(IStatus.INFO, Activator.PLUGIN_ID, "Preferences User Custom language deactivated: " //$NON-NLS-1$ + lang); iLogger.log(status); // Write properties file. FileOutputStream out; try { out = new FileOutputStream(fileName); props.store(out, "Custom language settings"); out.flush(); out.close(); } catch (FileNotFoundException e1) { e1.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } } super.performOk(); if (_restartRequiered) { UIJob job = new UIJob("timer") { @Override public IStatus runInUIThread(IProgressMonitor monitor) { checkRestart(); return Status.OK_STATUS; } }; job.schedule(500); } return true; } /** * To string array array. * @param strArray the str array * @return the string[][] */ private String[][] toStringArrayArray(final String[] strArray) { ArrayList<String[]> l = new ArrayList<String[]>(); for (String str : strArray) { l.add(new String[] { str, str }); } return l.toArray(new String[l.size()][]); } private boolean checkRestart() { MessageDialog messageDialog = new MessageDialog(null, NLMessages.getString("Handler_restart_titel"), null, NLMessages.getString("Handler_restart_message"), MessageDialog.WARNING, new String[] { NLMessages.getString("Handler_restart"), NLMessages.getString("Handler_cancel") }, 0); if (messageDialog.open() == 0) { IHandlerService handlerService = (IHandlerService) PlatformUI.getWorkbench() .getService(IHandlerService.class); try { handlerService.executeCommand("org.eclipse.ui.file.restartWorkbench", null); //$NON-NLS-1$ } catch (ExecutionException e) { e.printStackTrace(); } catch (NotDefinedException e) { e.printStackTrace(); } catch (NotEnabledException e) { e.printStackTrace(); } catch (NotHandledException e) { e.printStackTrace(); } } return true; } @Override public String getTitle() { // TODO Auto-generated method stub return super.getTitle(); } }