Java tutorial
/******************************************************************************* * Copyright (c) 2004, 2009 Tasktop Technologies 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: * Tasktop Technologies - initial API and implementation * Ken Sueda - improvements *******************************************************************************/ package org.eclipse.mylyn.internal.monitor.usage.preferences; import java.net.MalformedURLException; import java.net.URL; import java.util.Calendar; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.mylyn.commons.ui.compatibility.CommonColors; import org.eclipse.mylyn.internal.monitor.usage.InteractionEventObfuscator; import org.eclipse.mylyn.internal.monitor.usage.MonitorPreferenceConstants; import org.eclipse.mylyn.internal.monitor.usage.StudyParameters; import org.eclipse.mylyn.internal.monitor.usage.UiUsageMonitorPlugin; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.eclipse.ui.PartInitException; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.browser.IWebBrowser; import org.eclipse.ui.browser.IWorkbenchBrowserSupport; import org.eclipse.ui.forms.events.HyperlinkAdapter; import org.eclipse.ui.forms.events.HyperlinkEvent; import org.eclipse.ui.forms.widgets.ImageHyperlink; import org.eclipse.ui.internal.browser.WebBrowserPreference; import org.eclipse.ui.internal.browser.WorkbenchBrowserSupport; import org.eclipse.ui.statushandlers.StatusManager; /** * @author Mik Kersten * @author Ken Sueda */ public class UsageDataPreferencePage extends PreferencePage implements IWorkbenchPreferencePage { private static final String DESCRIPTION = Messages.UsageDataPreferencePage_If_Enabled_Mylyn_Monitors; private static final long DAYS_IN_MS = 1000 * 60 * 60 * 24; private Button enableMonitoring; private Button enableObfuscation; private Button enableSubmission; private Text logFileText; private Text uploadUrl; private Text submissionTime; private final StudyParameters studyParameters; public UsageDataPreferencePage() { super(); setPreferenceStore(UiUsageMonitorPlugin.getDefault().getPreferenceStore()); setDescription(DESCRIPTION); studyParameters = UiUsageMonitorPlugin.getDefault().getStudyParameters(); } @Override protected Control createContents(Composite parent) { Composite container = new Composite(parent, SWT.NULL); GridLayoutFactory.fillDefaults().applyTo(container); if (studyParameters.getCustomizingPlugin() != null) { Label label = new Label(parent, SWT.NULL); label.setText(studyParameters.getCustomizedByMessage()); label.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DEFAULT_FONT)); if (studyParameters.getMoreInformationUrl() != null) { ImageHyperlink link = new ImageHyperlink(parent, SWT.NONE); link.setText(Messages.UsageDataPreferencePage_Learn_More); link.setForeground(CommonColors.HYPERLINK_WIDGET); link.addHyperlinkListener(new HyperlinkAdapter() { @Override public void linkActivated(HyperlinkEvent e) { openMoreInformaionInBrowser(); } }); } } createLogFileSection(container); createUsageSection(container); updateEnablement(); Dialog.applyDialogFont(container); return container; } private void openMoreInformaionInBrowser() { String moreInformationUrl = studyParameters.getMoreInformationUrl(); try { if (WebBrowserPreference.getBrowserChoice() == WebBrowserPreference.EXTERNAL) { try { IWorkbenchBrowserSupport support = PlatformUI.getWorkbench().getBrowserSupport(); support.getExternalBrowser().openURL(new URL(moreInformationUrl)); } catch (Exception e) { StatusManager.getManager().handle( new Status(IStatus.ERROR, UiUsageMonitorPlugin.ID_PLUGIN, "Failed to not open url", e), //$NON-NLS-1$ StatusManager.SHOW | StatusManager.LOG); } } else { IWebBrowser browser = null; int flags = 0; if (WorkbenchBrowserSupport.getInstance().isInternalWebBrowserAvailable()) { flags = IWorkbenchBrowserSupport.AS_EDITOR | IWorkbenchBrowserSupport.LOCATION_BAR | IWorkbenchBrowserSupport.NAVIGATION_BAR; } else { flags = IWorkbenchBrowserSupport.AS_EXTERNAL | IWorkbenchBrowserSupport.LOCATION_BAR | IWorkbenchBrowserSupport.NAVIGATION_BAR; } String generatedId = "org.eclipse.mylyn.web.browser-" + Calendar.getInstance().getTimeInMillis(); //$NON-NLS-1$ browser = WorkbenchBrowserSupport.getInstance().createBrowser(flags, generatedId, null, null); browser.openURL(new URL(moreInformationUrl)); } } catch (PartInitException e) { MessageDialog.openError(Display.getDefault().getActiveShell(), "Browser init error", //$NON-NLS-1$ "Browser could not be initiated"); //$NON-NLS-1$ } catch (MalformedURLException e) { MessageDialog.openError(Display.getDefault().getActiveShell(), Messages.UsageDataPreferencePage_Url_Not_Found, NLS.bind(Messages.UsageDataPreferencePage_Unable_To_Open_X, moreInformationUrl)); } } public void init(IWorkbench workbench) { // Nothing to init } private void updateEnablement() { if (!enableMonitoring.getSelection()) { logFileText.setEnabled(false); enableSubmission.setEnabled(false); submissionTime.setEnabled(false); } else { logFileText.setEnabled(true); enableSubmission.setEnabled(true); if (!enableSubmission.getSelection()) { submissionTime.setEnabled(false); } else { submissionTime.setEnabled(true); } } } private void createLogFileSection(Composite parent) { final Group group = new Group(parent, SWT.SHADOW_ETCHED_IN); group.setText(Messages.UsageDataPreferencePage_Monitoring); group.setLayout(new GridLayout(2, false)); group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); enableMonitoring = new Button(group, SWT.CHECK); enableMonitoring.setText(Messages.UsageDataPreferencePage_Enable_Logging_To); enableMonitoring .setSelection(getPreferenceStore().getBoolean(MonitorPreferenceConstants.PREF_MONITORING_ENABLED)); enableMonitoring.addSelectionListener(new SelectionListener() { public void widgetSelected(SelectionEvent e) { updateEnablement(); } public void widgetDefaultSelected(SelectionEvent e) { // ignore } }); String logFilePath = UiUsageMonitorPlugin.getDefault().getMonitorLogFile().getPath(); logFilePath = logFilePath.replaceAll("\\\\", "/"); //$NON-NLS-1$//$NON-NLS-2$ logFileText = new Text(group, SWT.BORDER); logFileText.setText(logFilePath); logFileText.setEditable(false); logFileText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); enableObfuscation = new Button(group, SWT.CHECK); enableObfuscation.setText(Messages.UsageDataPreferencePage_Obfuscate_Elements_Using); enableObfuscation.setSelection( getPreferenceStore().getBoolean(MonitorPreferenceConstants.PREF_MONITORING_OBFUSCATE)); if (studyParameters.forceObfuscation()) { enableObfuscation.setSelection(true); enableObfuscation.setEnabled(false); } Label obfuscationLablel = new Label(group, SWT.NULL); obfuscationLablel.setText(InteractionEventObfuscator.ENCRYPTION_ALGORITHM + Messages.UsageDataPreferencePage_Message_Digest_One_Way_Hash); } private void createUsageSection(Composite parent) { Group group = new Group(parent, SWT.SHADOW_ETCHED_IN); group.setText(Messages.UsageDataPreferencePage_Usage_Feedback); group.setLayout(new GridLayout(2, false)); group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); Label label = new Label(group, SWT.NULL); label.setText(Messages.UsageDataPreferencePage_Upload_Url); uploadUrl = new Text(group, SWT.BORDER); uploadUrl.setEditable(false); uploadUrl.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); uploadUrl.setText(studyParameters.getUploadServletUrl()); Label events = new Label(group, SWT.NULL); events.setText(Messages.UsageDataPreferencePage_Total_Events); Label logged = new Label(group, SWT.NULL); logged.setText("" + getPreferenceStore().getInt(MonitorPreferenceConstants.PREF_NUM_USER_EVENTS)); //$NON-NLS-1$ events = new Label(group, SWT.NULL); events.setText(Messages.UsageDataPreferencePage_Events_Since_Upload); logged = new Label(group, SWT.NULL); logged.setText("" //$NON-NLS-1$ + getPreferenceStore().getInt(MonitorPreferenceConstants.PREF_NUM_USER_EVENTS_SINCE_LAST_UPLOAD)); Composite enableSubmissionComposite = new Composite(group, SWT.NULL); GridLayout submissionGridLayout = new GridLayout(4, false); submissionGridLayout.marginWidth = 0; submissionGridLayout.marginHeight = 0; enableSubmissionComposite.setLayout(submissionGridLayout); enableSubmission = new Button(enableSubmissionComposite, SWT.CHECK); enableSubmission.setText(Messages.UsageDataPreferencePage_Enable_Submission_Every); enableSubmission.setSelection( getPreferenceStore().getBoolean(MonitorPreferenceConstants.PREF_MONITORING_ENABLE_SUBMISSION)); enableSubmission.addSelectionListener(new SelectionListener() { public void widgetSelected(SelectionEvent e) { updateEnablement(); } public void widgetDefaultSelected(SelectionEvent e) { } }); submissionTime = new Text(enableSubmissionComposite, SWT.BORDER | SWT.RIGHT); GridData gridData = new GridData(); gridData.widthHint = 15; submissionTime.setLayoutData(gridData); long submissionFreq = UiUsageMonitorPlugin.DEFAULT_DELAY_BETWEEN_TRANSMITS; if (UiUsageMonitorPlugin.getDefault().getPreferenceStore() .contains(MonitorPreferenceConstants.PREF_MONITORING_SUBMIT_FREQUENCY)) { submissionFreq = getPreferenceStore() .getLong(MonitorPreferenceConstants.PREF_MONITORING_SUBMIT_FREQUENCY); } long submissionFreqInDays = submissionFreq / DAYS_IN_MS; submissionTime.setText("" + submissionFreqInDays); //$NON-NLS-1$ submissionTime.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { } }); Label label2 = new Label(enableSubmissionComposite, SWT.NONE); label2.setText(Messages.UsageDataPreferencePage_Days); } @Override public void performDefaults() { super.performDefaults(); logFileText.setText(UiUsageMonitorPlugin.getDefault().getMonitorLogFile().getPath()); } @Override public boolean performOk() { getPreferenceStore().setValue(MonitorPreferenceConstants.PREF_MONITORING_OBFUSCATE, enableObfuscation.getSelection()); if (enableMonitoring.getSelection()) { UiUsageMonitorPlugin.getDefault().startMonitoring(); } else { UiUsageMonitorPlugin.getDefault().stopMonitoring(); } getPreferenceStore().setValue(MonitorPreferenceConstants.PREF_MONITORING_ENABLE_SUBMISSION, enableSubmission.getSelection()); getPreferenceStore().setValue(MonitorPreferenceConstants.PREF_MONITORING_ENABLED, enableMonitoring.getSelection()); long transmitFrequency = UiUsageMonitorPlugin.DEFAULT_DELAY_BETWEEN_TRANSMITS; String submissionFrequency = submissionTime.getText(); try { transmitFrequency = Integer.parseInt(submissionFrequency); transmitFrequency *= DAYS_IN_MS; } catch (NumberFormatException nfe) { // do nothing, transmitFrequency will have the default value } getPreferenceStore().setValue(MonitorPreferenceConstants.PREF_MONITORING_SUBMIT_FREQUENCY, transmitFrequency); studyParameters.setTransmitPromptPeriod(transmitFrequency); return true; } @Override public boolean performCancel() { enableMonitoring .setSelection(getPreferenceStore().getBoolean(MonitorPreferenceConstants.PREF_MONITORING_ENABLED)); enableObfuscation.setSelection( getPreferenceStore().getBoolean(MonitorPreferenceConstants.PREF_MONITORING_OBFUSCATE)); return true; } }