Java tutorial
/******************************************************************************* * Copyright (c) 2004, 2008 Frank Becker 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: * Frank Becker - initial API and implementation * Tasktop Technologies - improvements * BREDEX GmbH - fix for bug 295050 *******************************************************************************/ package org.eclipse.mylyn.internal.tasks.ui.dialogs; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.window.Window; import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin; import org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector; import org.eclipse.mylyn.tasks.core.TaskRepository; import org.eclipse.mylyn.tasks.ui.TasksUi; import org.eclipse.mylyn.tasks.ui.TasksUiUtil; 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.graphics.Image; 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.FileDialog; 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.plugin.AbstractUIPlugin; /** * @author Frank Becker * @author Steffen Pingel * @author Torsten Kalix */ public class TaskRepositoryCredentialsDialog extends TitleAreaDialog { private static final String DIALOG_TITLE = Messages.TaskRepositoryCredentialsDialog_Enter_Credentials; private static final String IMAGE_FILE_KEYLOCK = "icons/wizban/secur_role_wiz.gif"; //$NON-NLS-1$ public static final int TASK_REPOSITORY_CHANGED = 1000; private static final String MESSAGE = Messages.TaskRepositoryCredentialsDialog_Enter_repository_credentials; private static final String TITLE = Messages.TaskRepositoryCredentialsDialog_Repository_Authentication; public static TaskRepositoryCredentialsDialog createDialog(Shell shell) { return new TaskRepositoryCredentialsDialog(shell); } private Image keyLockImage; private String message; private String password = ""; //$NON-NLS-1$ private boolean savePassword; private TaskRepository taskRepository; private String username = ""; //$NON-NLS-1$ private Button certBrowseButton; private boolean isFileDialog; private TaskRepositoryCredentialsDialog(Shell parentShell) { super(parentShell); } @Override public boolean close() { if (keyLockImage != null) { keyLockImage.dispose(); } return super.close(); } private void createLinkArea(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); composite.setLayout(new GridLayout(1, false)); composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); Link link = new Link(composite, SWT.WRAP); link.setText(Messages.TaskRepositoryCredentialsDialog_HTML_Open_Repository_Properties); link.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { close(); int returnCode = TasksUiUtil.openEditRepositoryWizard(taskRepository); if (returnCode == Window.OK) { setReturnCode(TASK_REPOSITORY_CHANGED); } else { setReturnCode(returnCode); } } }); GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER) .hint(convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH), SWT.DEFAULT) .grab(true, false).applyTo(link); } private void createCenterArea(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); composite.setLayout(new GridLayout(3, false)); composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); if (taskRepository != null) { Composite labelComposite = new Composite(composite, SWT.NONE); GridLayout layout = new GridLayout(3, false); layout.marginHeight = 0; layout.marginWidth = 0; labelComposite.setLayout(layout); GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).span(3, 1) .applyTo(labelComposite); Label label = new Label(labelComposite, SWT.NONE); label.setImage(TasksUiPlugin.getDefault().getBrandingIcon(taskRepository.getConnectorKind())); label = new Label(labelComposite, SWT.NONE); label.setText(Messages.TaskRepositoryCredentialsDialog_Task_Repository); label = new Label(labelComposite, SWT.NONE); label.setText(taskRepository.getRepositoryLabel()); } if (isFileDialog) { new Label(composite, SWT.NONE).setText(Messages.TaskRepositoryCredentialsDialog_Filename); } else { new Label(composite, SWT.NONE).setText(Messages.TaskRepositoryCredentialsDialog_User_ID); } final Text usernameField = new Text(composite, SWT.BORDER); usernameField.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { username = usernameField.getText(); } }); usernameField.setText(username); if (username.length() == 0) { usernameField.setFocus(); } GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER) .hint(convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH), SWT.DEFAULT) .grab(true, false).applyTo(usernameField); if (isFileDialog) { certBrowseButton = new Button(composite, SWT.PUSH); certBrowseButton.setText(Messages.TaskRepositoryCredentialsDialog_ChooseCertificateFile); certBrowseButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { FileDialog fileDialog = new FileDialog(getShell(), SWT.OPEN); fileDialog.setFilterPath(System.getProperty("user.home", ".")); //$NON-NLS-1$ //$NON-NLS-2$ String returnFile = fileDialog.open(); if (returnFile != null) { username = returnFile; usernameField.setText(returnFile); } } }); } else { new Label(composite, SWT.NONE).setText(" "); //$NON-NLS-1$ } new Label(composite, SWT.NONE).setText(Messages.TaskRepositoryCredentialsDialog_Password); final Text passwordField = new Text(composite, SWT.BORDER | SWT.PASSWORD); passwordField.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { password = passwordField.getText(); } }); passwordField.setText(password); if (username.length() > 0) { passwordField.setFocus(); } GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER) .hint(convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH), SWT.DEFAULT) .grab(true, false).applyTo(passwordField); final Button savePasswordButton = new Button(composite, SWT.CHECK); savePasswordButton.setText(Messages.TaskRepositoryCredentialsDialog_Save_Password); savePasswordButton.setSelection(savePassword); savePasswordButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { savePassword = savePasswordButton.getSelection(); } }); GridDataFactory.fillDefaults().span(3, 1).applyTo(savePasswordButton); createWarningMessage(composite); } @Override protected Control createContents(Composite parent) { getShell().setText(DIALOG_TITLE); setTitle(TITLE); Control control = super.createContents(parent); if (taskRepository != null) { AbstractRepositoryConnector connector = TasksUi.getRepositoryManager() .getRepositoryConnector(taskRepository.getConnectorKind()); if (connector != null) { setTitle(connector.getShortLabel() + " " + TITLE); //$NON-NLS-1$ } } ImageDescriptor descriptor = AbstractUIPlugin.imageDescriptorFromPlugin(TasksUiPlugin.ID_PLUGIN, IMAGE_FILE_KEYLOCK); if (descriptor != null) { keyLockImage = descriptor.createImage(); setTitleImage(keyLockImage); } if (message != null) { super.setMessage(message); } else { super.setMessage(MESSAGE); } applyDialogFont(control); return control; } @Override protected Control createDialogArea(Composite parent) { Composite parent2 = (Composite) super.createDialogArea(parent); Composite composite = new Composite(parent2, SWT.NONE); composite.setLayout(new GridLayout(1, false)); GridDataFactory.fillDefaults().align(SWT.FILL, SWT.BEGINNING).applyTo(composite); createCenterArea(composite); if (taskRepository != null) { createLinkArea(composite); } composite.pack(); return parent; } private void createWarningMessage(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.numColumns = 2; layout.marginHeight = 0; layout.marginWidth = 0; composite.setLayout(layout); GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).span(2, 1).applyTo(composite); Label label = new Label(composite, SWT.NONE); label.setImage(Dialog.getImage(DLG_IMG_MESSAGE_WARNING)); label.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING | GridData.HORIZONTAL_ALIGN_BEGINNING)); label = new Label(composite, SWT.WRAP); label.setText(Messages.TaskRepositoryCredentialsDialog_Saved_passwords_are_stored_that_is_difficult); GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER) .hint(convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH), SWT.DEFAULT) .grab(true, false).applyTo(label); } public String getMessage() { return message; } public String getPassword() { return password; } public boolean getSavePassword() { return savePassword; } public TaskRepository getTaskRepository() { return taskRepository; } public String getUserName() { return username; } @Override public void setMessage(String message) { this.message = message; } public void setPassword(String password) { if (password == null) { throw new IllegalArgumentException(); } this.password = password; } public void setSavePassword(boolean savePassword) { this.savePassword = savePassword; } public void setTaskRepository(TaskRepository taskRepository) { this.taskRepository = taskRepository; } public void setUsername(String username) { if (username == null) { throw new IllegalArgumentException(); } this.username = username; } /** * switch from asking for username / password to asking for certificate-file / password * * @param isFileDialog */ public void setFileDialog(boolean isFileDialog) { this.isFileDialog = isFileDialog; } }