Mercurial > hg > release > thermostat-0.7
view eclipse/com.redhat.thermostat.eclipse/src/com/redhat/thermostat/eclipse/internal/preferences/MainPreferencePage.java @ 1042:40414c3e4f02
Introduce preferences for Eclipse plugin.
Reviewed-by: neugens
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-March/006109.html
author | Severin Gehwolf <sgehwolf@redhat.com> |
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date | Tue, 19 Mar 2013 17:33:08 +0100 |
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/* * Copyright 2012, 2013 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat 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, or (at your * option) any later version. * * Thermostat 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 Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.eclipse.internal.preferences; import java.util.prefs.BackingStoreException; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.preferences.DefaultScope; import org.eclipse.core.runtime.preferences.IEclipsePreferences; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.preference.BooleanFieldEditor; import org.eclipse.jface.preference.FieldEditor; import org.eclipse.jface.preference.FieldEditorPreferencePage; import org.eclipse.jface.preference.StringFieldEditor; import org.eclipse.jface.util.PropertyChangeEvent; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Group; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import com.redhat.thermostat.common.config.ClientPreferences; import com.redhat.thermostat.eclipse.LoggerFacility; import com.redhat.thermostat.eclipse.ThermostatConstants; import com.redhat.thermostat.eclipse.internal.Activator; /** * Main preferences page for the Thermostat Eclipse client. * */ public class MainPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage { private static final int GROUP_SPAN = 2; private static final String HTTP_PREFIX = "http"; private static final String MONGODB_PREFIX = "mongodb"; private StringFieldEditor connectionUrlEditor; private StringFieldEditor usernameEditor; private StringFieldEditor passwordEditor; private BooleanFieldEditor saveEntitlementsEditor; private ClientPreferences clientPrefs; /** * Default no-arg constructor. */ public MainPreferencePage() { super(GRID); // TODO: Externalize string. setDescription("Thermostat Client Preferences"); setPreferenceStore(Activator.getDefault().getPreferenceStore()); } /** * Validate fields for sane values. */ @Override public void checkState() { super.checkState(); // connection URL has to be http(s) or mongodb if (connectionUrlEditor.getStringValue() != null && !(connectionUrlEditor.getStringValue().startsWith(HTTP_PREFIX) || connectionUrlEditor.getStringValue().startsWith(MONGODB_PREFIX))) { setErrorMessage("Connection URL must start with either 'http' or 'mongodb'"); setValid(false); } else { // erase error message and mark things valid setErrorMessage(null); setValid(true); } } @Override public boolean performOk() { clientPrefs.setConnectionUrl(connectionUrlEditor.getStringValue()); clientPrefs.setSaveEntitlements(saveEntitlementsEditor.getBooleanValue()); if (saveEntitlementsEditor.getBooleanValue()) { clientPrefs.setCredentials(usernameEditor.getStringValue(), passwordEditor.getStringValue()); try { clientPrefs.flush(); } catch (BackingStoreException e) { LoggerFacility.getInstance().log(IStatus.ERROR, "Failed to save preferences", e); } } return true; } /* * (non-Javadoc) * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench) */ @Override public void init(IWorkbench arg0) { // nothing } /* * (non-Javadoc) * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent) */ @Override public void propertyChange(PropertyChangeEvent event) { /* * Validate input on change events. */ if (event.getProperty().equals(FieldEditor.VALUE)) { checkState(); } } @Override protected void createFieldEditors() { Composite composite = getFieldEditorParent(); // General prefs Group generalGroup = new Group(composite, SWT.SHADOW_ETCHED_IN); generalGroup.setText("General"); GridDataFactory.fillDefaults().grab(true, false).span(GROUP_SPAN, 1) .applyTo(generalGroup); connectionUrlEditor = new StringFieldEditor( ThermostatConstants.CONNECTION_URL_PREF_NAME, "Connection URL", generalGroup); usernameEditor = new StringFieldEditor( ThermostatConstants.USERNAME_PREF_NAME, "Username", generalGroup); passwordEditor = new StringFieldEditor(ThermostatConstants.PASSWORD_PREF_NAME, "Password", generalGroup); passwordEditor.getTextControl(generalGroup).setEchoChar('*'); saveEntitlementsEditor = new BooleanFieldEditor( ThermostatConstants.SAVE_ENTITLEMENTS_PREF_NAME, "Save Entitlements", generalGroup); // register change listener connectionUrlEditor.setPropertyChangeListener(this); addField(connectionUrlEditor); addField(usernameEditor); addField(passwordEditor); addField(saveEntitlementsEditor); updateMargins(generalGroup); this.clientPrefs = new ClientPreferences(Activator.getDefault().getKeyring()); synchronizeValues(); } private void updateMargins(Group group) { // make sure there is some room between the group border // and the controls in the group GridLayout layout = (GridLayout) group.getLayout(); layout.marginWidth = 5; layout.marginHeight = 5; } private void synchronizeValues() { IEclipsePreferences node = DefaultScope.INSTANCE.getNode(Activator.PLUGIN_ID); if (clientPrefs.getSaveEntitlements()) { node.put(ThermostatConstants.USERNAME_PREF_NAME, clientPrefs.getUserName()); node.put(ThermostatConstants.PASSWORD_PREF_NAME, clientPrefs.getPassword()); passwordEditor.setStringValue(clientPrefs.getPassword()); usernameEditor.setStringValue(clientPrefs.getUserName()); } else { try { node.clear(); } catch (org.osgi.service.prefs.BackingStoreException e) { LoggerFacility.getInstance().log(IStatus.ERROR, "Failed to clear preferences", e); } } node.put(ThermostatConstants.CONNECTION_URL_PREF_NAME, clientPrefs.getConnectionUrl()); connectionUrlEditor.setStringValue(clientPrefs.getConnectionUrl()); node.putBoolean(ThermostatConstants.SAVE_ENTITLEMENTS_PREF_NAME, clientPrefs.getSaveEntitlements()); } }