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.commons.ui.dialogs; import org.eclipse.core.runtime.Assert; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.mylyn.commons.ui.CommonImages; 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.Shell; import org.eclipse.swt.widgets.Text; /** * A dialog that prompts for credentials. The dialog support two modes: * <ul> * <li>Username/password authentication</li> * <li>Key store authentication</li> * </ul> * * @author Frank Becker * @author Steffen Pingel * @author Torsten Kalix * @since 3.7 */ public class CredentialsDialog extends TitleAreaDialog { public enum Mode { KEY_STORE, USER, }; private String domain; private Image keyLockImage; private String keyStoreFileName; private final Mode mode; private boolean needsDomain; private String password; private boolean savePassword; private String username; public CredentialsDialog(Shell parentShell, Mode mode) { super(parentShell); this.mode = mode; this.domain = ""; //$NON-NLS-1$ this.username = ""; //$NON-NLS-1$ this.password = ""; //$NON-NLS-1$ this.keyStoreFileName = ""; //$NON-NLS-1$ } @Override public boolean close() { if (keyLockImage != null) { keyLockImage.dispose(); } return super.close(); } public String getDomain() { return domain; } public String getKeyStoreFileName() { return keyStoreFileName; } public Mode getMode() { return mode; } public String getPassword() { return password; } public boolean getSavePassword() { return savePassword; } public String getUserName() { return username; } public boolean needsDomain() { return needsDomain; } public void setDomain(String domain) { Assert.isNotNull(domain); this.domain = domain; } public void setKeyStoreFileName(String keyStoreFileName) { Assert.isNotNull(this.keyStoreFileName); this.keyStoreFileName = keyStoreFileName; } public void setNeedsDomain(boolean needsDomain) { this.needsDomain = needsDomain; } public void setPassword(String password) { Assert.isNotNull(password); this.password = password; } public void setSavePassword(boolean savePassword) { this.savePassword = savePassword; } public void setUsername(String username) { Assert.isNotNull(username); this.username = username; } 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 (mode == Mode.USER) { createUserControls(composite); } else if (mode == Mode.KEY_STORE) { createKeyStoreControls(composite); } createPasswordControls(composite); } private void createKeyStoreControls(Composite composite) { new Label(composite, SWT.NONE).setText(Messages.CredentialsDialog_KeyStore); final Text keyStoreField = new Text(composite, SWT.BORDER); keyStoreField.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { keyStoreFileName = keyStoreField.getText(); } }); keyStoreField.setText(keyStoreFileName); if (keyStoreFileName.length() == 0) { keyStoreField.setFocus(); } GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER) .hint(convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH), SWT.DEFAULT) .grab(true, false).applyTo(keyStoreField); Button browseButton = new Button(composite, SWT.PUSH); browseButton.setText(Messages.CredentialsDialog_Browse); browseButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { FileDialog fileDialog = new FileDialog(getShell(), SWT.OPEN); if (keyStoreFileName != null) { fileDialog.setFilterPath(System.getProperty("user.home", ".")); //$NON-NLS-1$ //$NON-NLS-2$ } String returnFile = fileDialog.open(); if (returnFile != null) { username = returnFile; keyStoreField.setText(returnFile); } } }); } private void createPasswordControls(Composite composite) { new Label(composite, SWT.NONE).setText(Messages.CredentialsDialog_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).span(2, 1) .hint(convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH), SWT.DEFAULT) .grab(true, false).applyTo(passwordField); final Button savePasswordButton = new Button(composite, SWT.CHECK); savePasswordButton.setText(Messages.CredentialsDialog_SavePassword); savePasswordButton.setSelection(savePassword); savePasswordButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { savePassword = savePasswordButton.getSelection(); } }); GridDataFactory.fillDefaults().span(3, 1).applyTo(savePasswordButton); } private void createUserControls(Composite composite) { new Label(composite, SWT.NONE).setText(Messages.CredentialsDialog_Username); final Text usernameText = new Text(composite, SWT.BORDER); usernameText.setText(username); usernameText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { username = usernameText.getText(); } }); if (username.length() == 0) { usernameText.setFocus(); } GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER) .hint(convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH), SWT.DEFAULT).span(2, 1) .grab(true, false).applyTo(usernameText); if (needsDomain()) { new Label(composite, SWT.NONE).setText(Messages.CredentialsDialog_Domain); final Text domainText = new Text(composite, SWT.BORDER); domainText.setText(domain); domainText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { domain = domainText.getText(); } }); GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER) .hint(convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH), SWT.DEFAULT).span(2, 1) .grab(true, false).applyTo(domainText); } } @Override protected Control createContents(Composite parent) { getShell().setText(Messages.CredentialsDialog_Enter_credentials); setTitle(Messages.CredentialsDialog_Authentication); Control control = super.createContents(parent); keyLockImage = CommonImages.BANNER_SECURE_ROLE.createImage(); setTitleImage(keyLockImage); 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); composite.pack(); return parent; } }