com.aptana.deploy.heroku.ui.wizard.HerokuSignupPage.java Source code

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Here is the source code for com.aptana.deploy.heroku.ui.wizard.HerokuSignupPage.java

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/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions).
 * Please see the license.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.deploy.heroku.ui.wizard;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
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.Label;
import org.eclipse.swt.widgets.Text;

import com.aptana.ui.util.SWTUtils;

public class HerokuSignupPage extends WizardPage {

    public static final String NAME = "HerokuSignup"; //$NON-NLS-1$

    private Text userId;
    private String startingUserId;

    protected HerokuSignupPage(String startingUserId) {
        super(NAME, Messages.HerokuSignupPage_Title, null);
        this.startingUserId = startingUserId;
    }

    public void createControl(Composite parent) {
        Composite composite = new Composite(parent, SWT.NULL);
        composite.setLayout(new GridLayout());
        composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL));
        setControl(composite);

        initializeDialogUnits(parent);

        // Actual contents
        Label label = new Label(composite, SWT.NONE);
        label.setText(Messages.HerokuLoginWizardPage_EnterCredentialsLabel);

        Composite credentials = new Composite(composite, SWT.NONE);
        credentials.setLayout(new GridLayout(2, false));

        Label userIdLabel = new Label(credentials, SWT.NONE);
        userIdLabel.setText(Messages.HerokuLoginWizardPage_UserIDLabel);
        userId = new Text(credentials, SWT.SINGLE | SWT.BORDER);
        userId.setMessage(Messages.HerokuLoginWizardPage_UserIDExample);
        if (startingUserId != null && startingUserId.trim().length() > 0) {
            userId.setText(startingUserId);
        }
        GridData gd = new GridData(300, SWT.DEFAULT);
        userId.setLayoutData(gd);

        Label note = new Label(composite, SWT.WRAP);
        // We need this italic, we may need to set a font explicitly here to get it
        Font dialogFont = JFaceResources.getDialogFont();
        FontData[] data = SWTUtils.italicizedFont(JFaceResources.getDialogFont());
        final Font italic = new Font(dialogFont.getDevice(), data);
        note.setFont(italic);
        note.addDisposeListener(new DisposeListener() {
            public void widgetDisposed(DisposeEvent e) {
                if (!italic.isDisposed()) {
                    italic.dispose();
                }
            }
        });

        gd = new GridData(400, SWT.DEFAULT);
        note.setLayoutData(gd);
        note.setText(Messages.HerokuSignupPage_SignupNote);

        // Add signup button
        Button signup = new Button(composite, SWT.PUSH);
        signup.setText(Messages.HerokuSignupPage_SignupButtonLabel);
        signup.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                if (!isEmailValid(userId.getText())) {
                    MessageDialog.openError(getShell(), "Error", Messages.HerokuSignupPage_InvalidEmail_Message); //$NON-NLS-1$
                    return;
                }

                // basically just perform finish!
                if (getWizard().performFinish()) {
                    ((WizardDialog) getContainer()).close();
                }
            }
        });

        Dialog.applyDialogFont(composite);
    }

    @Override
    public IWizardPage getNextPage() {
        // The end of the line
        return null;
    }

    public String getUserID() {
        return this.userId.getText();
    }

    @Override
    public boolean isPageComplete() {

        String userId = this.userId.getText();
        if (userId == null || userId.trim().length() < 1) {
            setErrorMessage(Messages.HerokuLoginWizardPage_EmptyUserIDError);
            return false;
        }

        setErrorMessage(null);
        return true;
    }

    private Boolean isEmailValid(String email) {

        Pattern p = Pattern.compile("^[\\w\\.-]+@([\\w\\-]+\\.)+[A-Z]{2,4}$", Pattern.CASE_INSENSITIVE); //$NON-NLS-1$

        Matcher m = p.matcher(email);

        if (m.matches())
            return true;

        return false;
    }
}