Java tutorial
/******************************************************************************* * Copyright (c) 2011 Mathias Kinzler <mathias.kinzler@sap.com> * Copyright (c) 2011 Matthias Sohn <matthias.sohn@sap.com> * * 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 *******************************************************************************/ package org.eclipse.egit.ui.internal.dialogs; import java.io.IOException; import org.eclipse.egit.ui.Activator; import org.eclipse.egit.ui.UIPreferences; import org.eclipse.egit.ui.internal.UIText; import org.eclipse.egit.ui.internal.preferences.GlobalConfigurationPreferencePage; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.window.Window; import org.eclipse.jgit.errors.ConfigInvalidException; import org.eclipse.jgit.lib.ConfigConstants; import org.eclipse.jgit.lib.Repository; import org.eclipse.jgit.lib.StoredConfig; import org.eclipse.jgit.lib.UserConfig; import org.eclipse.jgit.util.FS; import org.eclipse.jgit.util.SystemReader; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; 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.Label; import org.eclipse.swt.widgets.Link; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.dialogs.PreferencesUtil; /** * Dialog for basic configuration (User name, e-mail) * */ public class BasicConfigurationDialog extends TitleAreaDialog { private Button dontShowAgain; private StoredConfig userScopedConfig; private Text email; private Text userName; private boolean needsUpdate = false; /** * Opens the dialog if the {@link UIPreferences#SHOW_INITIAL_CONFIG_DIALOG} * is true and author or committer identity is based on implicit data * * @param repositories * if called from repository context otherwise null */ public static void show(Repository... repositories) { if (Activator.getDefault().getPreferenceStore().getBoolean(UIPreferences.SHOW_INITIAL_CONFIG_DIALOG) && isImplicitUserConfig(repositories)) PlatformUI.getWorkbench().getDisplay().syncExec(new Runnable() { public void run() { new BasicConfigurationDialog(PlatformUI.getWorkbench().getDisplay().getActiveShell()).open(); } }); } private static boolean isImplicitUserConfig(Repository... repositories) { if (repositories == null) return false; for (Repository repository : repositories) { UserConfig uc = loadRepoScopedConfig(repository).get(UserConfig.KEY); if (uc.isAuthorNameImplicit() // || uc.isAuthorEmailImplicit() || uc.isCommitterNameImplicit() || uc.isCommitterEmailImplicit()) return true; } return false; } private static StoredConfig loadUserScopedConfig() { StoredConfig c = SystemReader.getInstance().openUserConfig(null, FS.DETECTED); try { c.load(); } catch (IOException e) { Activator.handleError(e.getMessage(), e, true); } catch (ConfigInvalidException e) { Activator.handleError(e.getMessage(), e, true); } return c; } private static StoredConfig loadRepoScopedConfig(Repository repo) { StoredConfig c = repo.getConfig(); try { c.load(); } catch (IOException e) { Activator.handleError(e.getMessage(), e, true); } catch (ConfigInvalidException e) { Activator.handleError(e.getMessage(), e, true); } return c; } /** * @param parentShell */ public BasicConfigurationDialog(Shell parentShell) { super(parentShell); setHelpAvailable(false); } @Override protected Control createDialogArea(Composite parent) { userScopedConfig = loadUserScopedConfig(); UserConfig userConfig = userScopedConfig.get(UserConfig.KEY); Composite main = new Composite(parent, SWT.NONE); main.setLayout(new GridLayout(2, false)); GridDataFactory.fillDefaults().grab(true, true).applyTo(main); // user name Label userNameLabel = new Label(main, SWT.NONE); userNameLabel.setText(UIText.BasicConfigurationDialog_UserNameLabel); userName = new Text(main, SWT.BORDER); GridDataFactory.fillDefaults().grab(true, false).applyTo(userName); String currentName = null; if (userConfig != null) currentName = userConfig.getAuthorName(); if (currentName != null) userName.setText(currentName); userName.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { needsUpdate = true; } }); // user email Label emailLabel = new Label(main, SWT.NONE); emailLabel.setText(UIText.BasicConfigurationDialog_UserEmailLabel); email = new Text(main, SWT.BORDER); GridDataFactory.fillDefaults().grab(true, false).applyTo(email); String currentMail = null; if (userConfig != null) currentMail = userConfig.getAuthorEmail(); if (currentMail != null) email.setText(currentMail); email.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { needsUpdate = true; } }); dontShowAgain = new Button(main, SWT.CHECK); GridDataFactory.fillDefaults().span(2, 1).applyTo(dontShowAgain); dontShowAgain.setText("&Don't show this dialog again"); //$NON-NLS-1$ dontShowAgain.setSelection(true); Link link = new Link(main, SWT.UNDERLINE_LINK); GridDataFactory.fillDefaults().span(2, 1).applyTo(link); link.setText("Open the <a>Git Configuration</a> Preference Page"); //$NON-NLS-1$ link.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { PreferencesUtil .createPreferenceDialogOn(getShell(), GlobalConfigurationPreferencePage.ID, null, null) .open(); } }); applyDialogFont(main); return main; } @Override public void create() { super.create(); setTitle(UIText.BasicConfigurationDialog_DialogTitle); setMessage(UIText.BasicConfigurationDialog_DialogMessage); } @Override protected void configureShell(Shell newShell) { super.configureShell(newShell); newShell.setText(UIText.BasicConfigurationDialog_WindowTitle); } @Override protected void buttonPressed(int buttonId) { if (buttonId == Window.OK) { if (needsUpdate) { userScopedConfig.setString(ConfigConstants.CONFIG_USER_SECTION, null, ConfigConstants.CONFIG_KEY_NAME, userName.getText()); userScopedConfig.setString(ConfigConstants.CONFIG_USER_SECTION, null, ConfigConstants.CONFIG_KEY_EMAIL, email.getText()); try { userScopedConfig.save(); } catch (IOException e) { Activator.handleError(e.getMessage(), e, true); } } if (dontShowAgain.getSelection()) Activator.getDefault().getPreferenceStore().setValue(UIPreferences.SHOW_INITIAL_CONFIG_DIALOG, false); } super.buttonPressed(buttonId); } }