jitsi/src/net/java/sip/communicator/plugin/icqaccregwizz/FirstWizardPage.java

/*
 * SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
 *
 * Distributable under LGPL license.
 * See terms of license at gnu.org.
 */
package net.java.sip.communicator.plugin.icqaccregwizz;

import java.awt.*;
import java.awt.event.*;
import java.util.*;

import javax.swing.*;
import javax.swing.event.*;

import net.java.sip.communicator.service.gui.*;
import net.java.sip.communicator.service.protocol.*;

/**
 * The <tt>FirstWizardPage</tt> is the page, where user could enter the uin
 * and the password of the account.
 * 
 * @author Yana Stamcheva
 */
public class FirstWizardPage extends JPanel
    implements  WizardPage,
                DocumentListener,
                ActionListener {

    public static final String FIRST_PAGE_IDENTIFIER = "FirstPageIdentifier";
    
    private JPanel uinPassPanel = new JPanel(new BorderLayout(10, 10));
    
    private JPanel labelsPanel = new JPanel(new GridLayout(0, 1, 10, 10));
    
    private JPanel valuesPanel = new JPanel(new GridLayout(0, 1, 10, 10));
    
    private JLabel uinLabel = new JLabel(Resources.getString("uin"));
    
    private JLabel passLabel = new JLabel(Resources.getString("password"));
    
    private JLabel existingAccountLabel
        = new JLabel(Resources.getString("existingAccount"));
    
    private JTextField uinField = new JTextField();
    
    private JPasswordField passField = new JPasswordField();
       
    private JCheckBox rememberPassBox = new JCheckBox(
            Resources.getString("rememberPassword"));
    
    private JPanel registerPanel = new JPanel(new GridLayout(0, 1));
    
    private JPanel buttonPanel = new JPanel(
                new FlowLayout(FlowLayout.CENTER));
    
    private JTextArea registerArea = new JTextArea(
            Resources.getString("registerNewAccountText"));  
    
    private JButton registerButton = new JButton(
            Resources.getString("registerNewAccount"));
    
    private JPanel mainPanel = new JPanel();
    
    private Object nextPageIdentifier = WizardPage.SUMMARY_PAGE_IDENTIFIER;
    
    private IcqAccountRegistration registration;
    
    private WizardContainer wizardContainer;
    
    /**
     * Creates an instance of <tt>FirstWizardPage</tt>.
     * @param registration the <tt>IcqAccountRegistration</tt>, where
     * all data through the wizard are stored
     * @param wizardContainer the wizardContainer, where this page will
     * be added
     */
    public FirstWizardPage(IcqAccountRegistration registration,
            WizardContainer wizardContainer) {
        
        super(new BorderLayout());
    
        this.wizardContainer = wizardContainer;
        
        this.registration = registration;
        
        this.setPreferredSize(new Dimension(300, 150));
        
        mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
        
        this.init();
        
        this.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
    }
    
    /**
     * Initializes all panels, buttons, etc.
     */
    private void init() {
        this.registerButton.addActionListener(this);
        this.uinField.getDocument().addDocumentListener(this);
        this.rememberPassBox.setSelected(true);
       
        this.existingAccountLabel.setForeground(Color.RED);
        
        labelsPanel.add(uinLabel);
        labelsPanel.add(passLabel);
        
        valuesPanel.add(uinField);
        valuesPanel.add(passField);
        
        uinPassPanel.add(labelsPanel, BorderLayout.WEST);
        uinPassPanel.add(valuesPanel, BorderLayout.CENTER);
        uinPassPanel.add(rememberPassBox, BorderLayout.SOUTH);
        
        uinPassPanel.setBorder(BorderFactory
                .createTitledBorder(Resources.getString("uinAndPassword")));
        
        mainPanel.add(uinPassPanel);
        
        this.buttonPanel.add(registerButton);
        
        this.registerArea.setEditable(false);
        this.registerArea.setLineWrap(true);
        this.registerArea.setWrapStyleWord(true);
        
        this.registerPanel.add(registerArea);
        this.registerPanel.add(buttonPanel);
        
        this.registerPanel.setBorder(BorderFactory
                .createTitledBorder(Resources.getString("registerNewAccount")));
        
        mainPanel.add(registerPanel);
        
        this.add(mainPanel, BorderLayout.NORTH);
    }
    
    /**
     * Implements the <code>WizardPage.getIdentifier</code> to return
     * this page identifier.
     */
    public Object getIdentifier() {
        return FIRST_PAGE_IDENTIFIER;
    }

    /**
     * Implements the <code>WizardPage.getNextPageIdentifier</code> to return
     * the next page identifier - the summary page.
     */
    public Object getNextPageIdentifier() {        
        return nextPageIdentifier;
    }

    /**
     * Implements the <code>WizardPage.getBackPageIdentifier</code> to return
     * the next back identifier - the default page.
     */
    public Object getBackPageIdentifier() {
        return WizardPage.DEFAULT_PAGE_IDENTIFIER;
    }

    /**
     * Implements the <code>WizardPage.getWizardForm</code> to return
     * this panel.
     */
    public Object getWizardForm() {
        return this;
    }

    /**
     * Before this page is displayed enables or disables the "Next" wizard
     * button according to whether the UIN field is empty.
     */
    public void pageShowing() {
        this.setNextButtonAccordingToUIN();
    }

    /**
     * Saves the user input when the "Next" wizard buttons is clicked.
     */
    public void pageNext() {
        String uin = uinField.getText();
        
        if(isExistingAccount(uin)) {
            nextPageIdentifier = FIRST_PAGE_IDENTIFIER;
            uinPassPanel.add(existingAccountLabel, BorderLayout.NORTH);
            this.revalidate();
        }
        else {
            nextPageIdentifier = SUMMARY_PAGE_IDENTIFIER;
            uinPassPanel.remove(existingAccountLabel);
            
            registration.setUin(uin);
            registration.setPassword(new String(passField.getPassword()));
            registration.setRememberPassword(rememberPassBox.isSelected());
        }
    }
  
    /**
     * Enables or disables the "Next" wizard button according to whether the
     * UIN field is empty.
     */
    private void setNextButtonAccordingToUIN() {
        if (uinField.getText() == null || uinField.getText().equals("")) {
            wizardContainer.setNextFinishButtonEnabled(false);
        }
        else {
            wizardContainer.setNextFinishButtonEnabled(true);
        }
    }

    /**
     * Handles the <tt>DocumentEvent</tt> triggered when user types in the
     * UIN field. Enables or disables the "Next" wizard button according to
     * whether the UIN field is empty.
     */
    public void insertUpdate(DocumentEvent e) {
        this.setNextButtonAccordingToUIN();
    }

    /**
     * Handles the <tt>DocumentEvent</tt> triggered when user deletes letters
     * from the UIN field. Enables or disables the "Next" wizard button
     * according to whether the UIN field is empty.
     */
    public void removeUpdate(DocumentEvent e) {
        this.setNextButtonAccordingToUIN();
    }

    public void changedUpdate(DocumentEvent e) {
    }
    
    public void pageHiding() {
    }

    public void pageShown() {
    }
    
    public void pageBack() {
    }
    
    /**
     * Fills the UIN and Password fields in this panel with the data comming
     * from the given protocolProvider.
     * @param protocolProvider The <tt>ProtocolProviderService</tt> to load the
     * data from.
     */
    public void loadAccount(ProtocolProviderService protocolProvider) {
        AccountID accountID = protocolProvider.getAccountID();
        String password = (String)accountID.getAccountProperties()
            .get(ProtocolProviderFactory.PASSWORD);
        
        this.uinField.setText(accountID.getUserID());
        
        if(password != null) {
            this.passField.setText(password);
        
            this.rememberPassBox.setSelected(true);
        }
    }

    public void actionPerformed(ActionEvent e)
    {
        CrossPlatformBrowserLauncher.openURL("https://www.icq.com/register/");        
    }
    
    private boolean isExistingAccount(String accountName)
    {   
        ProtocolProviderFactory factory 
            = IcqAccRegWizzActivator.getIcqProtocolProviderFactory();
        
        ArrayList registeredAccounts = factory.getRegisteredAccounts();
        
        for(int i = 0; i < registeredAccounts.size(); i ++) {
            AccountID accountID = (AccountID) registeredAccounts.get(i);
            
            if(accountName.equalsIgnoreCase(accountID.getUserID()))
                return true;
        }
        return false;
    }
}