/****************************************************************************
* Copyright (c) 2007, 2008 Remy Suen 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:
* Remy Suen <remy.suen@gmail.com> - initial API and implementation
*****************************************************************************/
package org.eclipse.ecf.internal.provider.msn.ui;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.eclipse.ecf.ui.SharedImages;
import org.eclipse.ecf.ui.util.PasswordCacheHelper;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.wizard.WizardPage;
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.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
final class MSNConnectWizardPage extends WizardPage {
private Combo emailText;
private Text passwordText;
private String username;
private static Pattern emailPattern = Pattern.compile(".+@.+.[a-z]+"); //$NON-NLS-1$
MSNConnectWizardPage() {
super(MSNConnectWizardPage.class.getName());
setTitle(Messages.MSNConnectWizardPage_Title);
setDescription(Messages.MSNConnectWizardPage_WIZARD_PAGE_DESCRIPTION);
setPageComplete(false);
setImageDescriptor(SharedImages
.getImageDescriptor(SharedImages.IMG_CHAT_WIZARD));
}
MSNConnectWizardPage(String username) {
this();
this.username = username;
}
/**
* Verifies the user's input to the wizard. Optionally sets the password for
* the specified email if one has been stored and is recognized.
*
* @param restorePassword
* <tt>true</tt> if the password field should be set if a password can be
* found
*/
private void verify(boolean restorePassword) {
String email = emailText.getText().trim();
if (email.equals("")) { //$NON-NLS-1$
setErrorMessage(Messages.MSNConnectWizardPage_EmailAddressRequired);
} else {
Matcher matcher = emailPattern.matcher(email);
if (!matcher.matches()) {
setErrorMessage(Messages.MSNConnectWizardPage_EmailAddressInvalid);
} else {
if (restorePassword) {
restorePassword(email);
}
if (passwordText.getText().equals("")) { //$NON-NLS-1$
setErrorMessage(Messages.MSNConnectWizardPage_PasswordRequired);
} else {
setErrorMessage(null);
}
}
}
}
private void restorePassword(String username) {
PasswordCacheHelper pwStorage = new PasswordCacheHelper(username);
String pw = pwStorage.retrievePassword();
if (pw != null) {
passwordText.setText(pw);
}
}
private void addListeners() {
emailText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
verify(true);
}
});
emailText.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
verify(true);
}
public void widgetSelected(SelectionEvent e) {
verify(true);
}
});
passwordText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
verify(false);
}
});
}
public void createControl(Composite parent) {
parent = new Composite(parent, SWT.NONE);
parent.setLayout(new GridLayout(2, false));
GridData data = new GridData(SWT.FILL, SWT.CENTER, true, false);
Label label = new Label(parent, SWT.LEFT);
label.setText(Messages.MSNConnectWizardPage_EmailAddressLabel);
emailText = new Combo(parent, SWT.SINGLE | SWT.BORDER | SWT.DROP_DOWN);
emailText.setLayoutData(data);
label = new Label(parent, SWT.LEFT);
label.setText(Messages.MSNConnectWizardPage_PasswordLabel);
passwordText = new Text(parent, SWT.SINGLE | SWT.PASSWORD | SWT.BORDER);
passwordText.setLayoutData(data);
addListeners();
restoreCombo();
if (username != null) {
emailText.setText(username);
restorePassword(username);
passwordText.setFocus();
}
Dialog.applyDialogFont(parent);
setControl(parent);
}
String getEmail() {
return emailText.getText();
}
String getPassword() {
return passwordText.getText();
}
public void setErrorMessage(String message) {
super.setErrorMessage(message);
setPageComplete(message == null);
}
private static final String PAGE_SETTINGS = MSNConnectWizardPage.class
.getName();
private static final int MAX_COMBO_VALUES = 40;
private static final String COMBO_TEXT_KEY = "connectTextValue"; //$NON-NLS-1$
private static final String COMBO_BOX_ITEMS_KEY = "comboValues"; //$NON-NLS-1$
protected void saveComboText() {
IDialogSettings pageSettings = getPageSettings();
if (pageSettings != null)
pageSettings.put(COMBO_TEXT_KEY, emailText.getText());
}
protected void saveComboItems() {
IDialogSettings pageSettings = getPageSettings();
if (pageSettings != null) {
String connectTextValue = emailText.getText();
List rawItems = Arrays.asList(emailText.getItems());
// If existing text item is not in combo box then add it
List items = new ArrayList();
if (!rawItems.contains(connectTextValue))
items.add(connectTextValue);
items.addAll(rawItems);
int itemsToSaveLength = items.size();
if (itemsToSaveLength > MAX_COMBO_VALUES)
itemsToSaveLength = MAX_COMBO_VALUES;
String[] itemsToSave = new String[itemsToSaveLength];
System.arraycopy(items.toArray(new String[] {}), 0, itemsToSave, 0,
itemsToSaveLength);
pageSettings.put(COMBO_BOX_ITEMS_KEY, itemsToSave);
}
}
public IDialogSettings getDialogSettings() {
return Activator.getDefault().getDialogSettings();
}
private IDialogSettings getPageSettings() {
IDialogSettings pageSettings = null;
IDialogSettings dialogSettings = this.getDialogSettings();
if (dialogSettings != null) {
pageSettings = dialogSettings.getSection(PAGE_SETTINGS);
if (pageSettings == null)
pageSettings = dialogSettings.addNewSection(PAGE_SETTINGS);
return pageSettings;
}
return null;
}
protected void restoreCombo() {
IDialogSettings pageSettings = getPageSettings();
if (pageSettings != null) {
String[] items = pageSettings.getArray(COMBO_BOX_ITEMS_KEY);
if (items != null)
emailText.setItems(items);
String text = pageSettings.get(COMBO_TEXT_KEY);
if (text != null)
emailText.setText(text);
}
}
}