Java tutorial
/******************************************************************************* * Copyright (c) 2007, 2010 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * Johannes Michler <orgler@gmail.com> - Bug 321568 - [ui] Preference for automatic-update-reminder doesn't work in multilanguage-environments *******************************************************************************/ package org.eclipse.equinox.internal.p2.ui.sdk.scheduler; import org.eclipse.core.runtime.IProduct; import org.eclipse.core.runtime.Platform; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.*; import org.eclipse.ui.*; /** * Preference page for automated updates. * * @since 3.4 * */ public class AutomaticUpdatesPreferencePage extends PreferencePage implements IWorkbenchPreferencePage { private Button enabledCheck; private Button onStartupRadio, onScheduleRadio; private Combo dayCombo; private Label atLabel; private Combo hourCombo; private Button searchOnlyRadio, searchAndDownloadRadio; private Button remindOnceRadio, remindScheduleRadio; private Combo remindElapseCombo; private Group updateScheduleGroup, downloadGroup, remindGroup; public void init(IWorkbench workbench) { // nothing to init } protected Control createContents(Composite parent) { PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IAutomaticUpdaterHelpContextIds.AUTOMATIC_UPDATES_PREFERENCE_PAGE); Composite container = new Composite(parent, SWT.NULL); GridLayout layout = new GridLayout(); layout.marginWidth = layout.marginHeight = 0; container.setLayout(layout); enabledCheck = new Button(container, SWT.CHECK); enabledCheck.setText(AutomaticUpdateMessages.AutomaticUpdatesPreferencePage_findUpdates); createSpacer(container, 1); updateScheduleGroup = new Group(container, SWT.NONE); updateScheduleGroup.setText(AutomaticUpdateMessages.AutomaticUpdatesPreferencePage_UpdateSchedule); layout = new GridLayout(); layout.numColumns = 3; updateScheduleGroup.setLayout(layout); GridData gd = new GridData(GridData.FILL_HORIZONTAL); updateScheduleGroup.setLayoutData(gd); onStartupRadio = new Button(updateScheduleGroup, SWT.RADIO); IProduct product = Platform.getProduct(); String productName = product != null && product.getName() != null ? product.getName() : AutomaticUpdateMessages.AutomaticUpdatesPreferencePage_GenericProductName; onStartupRadio .setText(NLS.bind(AutomaticUpdateMessages.AutomaticUpdatesPreferencePage_findOnStart, productName)); gd = new GridData(); gd.horizontalSpan = 3; onStartupRadio.setLayoutData(gd); onStartupRadio.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { pageChanged(); } }); onScheduleRadio = new Button(updateScheduleGroup, SWT.RADIO); onScheduleRadio.setText(AutomaticUpdateMessages.AutomaticUpdatesPreferencePage_findOnSchedule); gd = new GridData(); gd.horizontalSpan = 3; onScheduleRadio.setLayoutData(gd); onScheduleRadio.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { pageChanged(); } }); dayCombo = new Combo(updateScheduleGroup, SWT.READ_ONLY); dayCombo.setItems(AutomaticUpdateScheduler.DAYS); gd = new GridData(); gd.widthHint = 200; gd.horizontalIndent = 30; dayCombo.setLayoutData(gd); atLabel = new Label(updateScheduleGroup, SWT.NULL); atLabel.setText(AutomaticUpdateMessages.AutomaticUpdatesPreferencePage_at); hourCombo = new Combo(updateScheduleGroup, SWT.READ_ONLY); hourCombo.setItems(AutomaticUpdateScheduler.HOURS); gd = new GridData(); hourCombo.setLayoutData(gd); createSpacer(container, 1); downloadGroup = new Group(container, SWT.NONE); downloadGroup.setText(AutomaticUpdateMessages.AutomaticUpdatesPreferencePage_downloadOptions); layout = new GridLayout(); layout.numColumns = 3; downloadGroup.setLayout(layout); gd = new GridData(GridData.FILL_HORIZONTAL); downloadGroup.setLayoutData(gd); searchOnlyRadio = new Button(downloadGroup, SWT.RADIO); searchOnlyRadio.setText(AutomaticUpdateMessages.AutomaticUpdatesPreferencePage_searchAndNotify); gd = new GridData(); gd.horizontalSpan = 3; searchOnlyRadio.setLayoutData(gd); searchOnlyRadio.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { pageChanged(); } }); searchAndDownloadRadio = new Button(downloadGroup, SWT.RADIO); searchAndDownloadRadio.setText(AutomaticUpdateMessages.AutomaticUpdatesPreferencePage_downloadAndNotify); gd = new GridData(); gd.horizontalSpan = 3; searchAndDownloadRadio.setLayoutData(gd); searchAndDownloadRadio.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { pageChanged(); } }); createSpacer(container, 1); remindGroup = new Group(container, SWT.NONE); remindGroup.setText(AutomaticUpdateMessages.AutomaticUpdatesPreferencePage_RemindGroup); layout = new GridLayout(); layout.numColumns = 3; remindGroup.setLayout(layout); gd = new GridData(GridData.FILL_HORIZONTAL); remindGroup.setLayoutData(gd); remindOnceRadio = new Button(remindGroup, SWT.RADIO); remindOnceRadio.setText(AutomaticUpdateMessages.AutomaticUpdatesPreferencePage_RemindOnce); gd = new GridData(); gd.horizontalSpan = 3; remindOnceRadio.setLayoutData(gd); remindOnceRadio.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { pageChanged(); } }); remindScheduleRadio = new Button(remindGroup, SWT.RADIO); remindScheduleRadio.setText(AutomaticUpdateMessages.AutomaticUpdatesPreferencePage_RemindSchedule); gd = new GridData(); gd.horizontalSpan = 3; remindScheduleRadio.setLayoutData(gd); remindScheduleRadio.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { pageChanged(); } }); remindElapseCombo = new Combo(remindGroup, SWT.READ_ONLY); remindElapseCombo.setItems(AutomaticUpdatesPopup.ELAPSED_LOCALIZED_STRINGS); gd = new GridData(); gd.widthHint = 200; gd.horizontalIndent = 30; remindElapseCombo.setLayoutData(gd); initialize(); enabledCheck.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { pageChanged(); } }); Dialog.applyDialogFont(container); return container; } protected void createSpacer(Composite composite, int columnSpan) { Label label = new Label(composite, SWT.NONE); GridData gd = new GridData(); gd.horizontalSpan = columnSpan; label.setLayoutData(gd); } private void initialize() { IPreferenceStore pref = AutomaticUpdatePlugin.getDefault().getPreferenceStore(); enabledCheck.setSelection(pref.getBoolean(PreferenceConstants.PREF_AUTO_UPDATE_ENABLED)); setSchedule(pref.getString(PreferenceConstants.PREF_AUTO_UPDATE_SCHEDULE)); dayCombo.setText(AutomaticUpdateScheduler.DAYS[getDay(pref, false)]); hourCombo.setText(AutomaticUpdateScheduler.HOURS[getHour(pref, false)]); remindScheduleRadio.setSelection(pref.getBoolean(PreferenceConstants.PREF_REMIND_SCHEDULE)); remindOnceRadio.setSelection(!pref.getBoolean(PreferenceConstants.PREF_REMIND_SCHEDULE)); remindElapseCombo.setText(AutomaticUpdatesPopup .getElapsedTimeString(pref.getString(PreferenceConstants.PREF_REMIND_ELAPSED))); searchOnlyRadio.setSelection(!pref.getBoolean(PreferenceConstants.PREF_DOWNLOAD_ONLY)); searchAndDownloadRadio.setSelection(pref.getBoolean(PreferenceConstants.PREF_DOWNLOAD_ONLY)); pageChanged(); } private void setSchedule(String value) { if (value.equals(PreferenceConstants.PREF_UPDATE_ON_STARTUP)) onStartupRadio.setSelection(true); else onScheduleRadio.setSelection(true); } void pageChanged() { boolean master = enabledCheck.getSelection(); updateScheduleGroup.setEnabled(master); onStartupRadio.setEnabled(master); onScheduleRadio.setEnabled(master); dayCombo.setEnabled(master && onScheduleRadio.getSelection()); atLabel.setEnabled(master && onScheduleRadio.getSelection()); hourCombo.setEnabled(master && onScheduleRadio.getSelection()); downloadGroup.setEnabled(master); searchOnlyRadio.setEnabled(master); searchAndDownloadRadio.setEnabled(master); remindGroup.setEnabled(master); remindScheduleRadio.setEnabled(master); remindOnceRadio.setEnabled(master); remindElapseCombo.setEnabled(master && remindScheduleRadio.getSelection()); } protected void performDefaults() { super.performDefaults(); IPreferenceStore pref = AutomaticUpdatePlugin.getDefault().getPreferenceStore(); enabledCheck.setSelection(pref.getDefaultBoolean(PreferenceConstants.PREF_AUTO_UPDATE_ENABLED)); setSchedule(pref.getDefaultString(PreferenceConstants.PREF_AUTO_UPDATE_SCHEDULE)); onScheduleRadio.setSelection(pref.getDefaultBoolean(PreferenceConstants.PREF_AUTO_UPDATE_SCHEDULE)); dayCombo.setText(AutomaticUpdateScheduler.DAYS[getDay(pref, true)]); hourCombo.setText(AutomaticUpdateScheduler.HOURS[getHour(pref, true)]); remindOnceRadio.setSelection(!pref.getDefaultBoolean(PreferenceConstants.PREF_REMIND_SCHEDULE)); remindScheduleRadio.setSelection(pref.getDefaultBoolean(PreferenceConstants.PREF_REMIND_SCHEDULE)); remindElapseCombo.setText(AutomaticUpdatesPopup .getElapsedTimeString(pref.getDefaultString(PreferenceConstants.PREF_REMIND_ELAPSED))); searchOnlyRadio.setSelection(!pref.getDefaultBoolean(PreferenceConstants.PREF_DOWNLOAD_ONLY)); searchAndDownloadRadio.setSelection(pref.getDefaultBoolean(PreferenceConstants.PREF_DOWNLOAD_ONLY)); pageChanged(); } /** * Method declared on IPreferencePage. Subclasses should override */ public boolean performOk() { IPreferenceStore pref = AutomaticUpdatePlugin.getDefault().getPreferenceStore(); pref.setValue(PreferenceConstants.PREF_AUTO_UPDATE_ENABLED, enabledCheck.getSelection()); if (onStartupRadio.getSelection()) pref.setValue(PreferenceConstants.PREF_AUTO_UPDATE_SCHEDULE, PreferenceConstants.PREF_UPDATE_ON_STARTUP); else pref.setValue(PreferenceConstants.PREF_AUTO_UPDATE_SCHEDULE, PreferenceConstants.PREF_UPDATE_ON_SCHEDULE); if (remindScheduleRadio.getSelection()) { pref.setValue(PreferenceConstants.PREF_REMIND_SCHEDULE, true); pref.setValue(PreferenceConstants.PREF_REMIND_ELAPSED, AutomaticUpdatesPopup.ELAPSED_VALUES[remindElapseCombo.getSelectionIndex()]); } else { pref.setValue(PreferenceConstants.PREF_REMIND_SCHEDULE, false); } pref.setValue(AutomaticUpdateScheduler.P_DAY, dayCombo.getText()); pref.setValue(AutomaticUpdateScheduler.P_HOUR, hourCombo.getText()); pref.setValue(PreferenceConstants.PREF_DOWNLOAD_ONLY, searchAndDownloadRadio.getSelection()); AutomaticUpdatePlugin.getDefault().savePreferences(); AutomaticUpdatePlugin.getDefault().getScheduler().rescheduleUpdate(); return true; } private int getDay(IPreferenceStore pref, boolean useDefault) { String day = useDefault ? pref.getDefaultString(AutomaticUpdateScheduler.P_DAY) : pref.getString(AutomaticUpdateScheduler.P_DAY); for (int i = 0; i < AutomaticUpdateScheduler.DAYS.length; i++) if (AutomaticUpdateScheduler.DAYS[i].equals(day)) return i; return 0; } private int getHour(IPreferenceStore pref, boolean useDefault) { String hour = useDefault ? pref.getDefaultString(AutomaticUpdateScheduler.P_HOUR) : pref.getString(AutomaticUpdateScheduler.P_HOUR); for (int i = 0; i < AutomaticUpdateScheduler.HOURS.length; i++) if (AutomaticUpdateScheduler.HOURS[i].equals(hour)) return i; return 0; } }