LoginDialog.java

/*******************************************************************************
 * Copyright (C) 2010, Jens Baumgart <jens.baumgart@sap.com>
 * Copyright (C) 2010, Edwin Kempin <edwin.kempin@sap.com>
 *
 * 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
 *******************************************************************************/
package com.amazonaws.eclipse.core.egit;

import org.eclipse.egit.core.securestorage.UserPasswordCredentials;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.UIPreferences;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jgit.transport.URIish;
import org.eclipse.swt.SWT;
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.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

/**
 * This class implements a login dialog asking for user and password for a given
 * URI.
 */
@SuppressWarnings("restriction")
class LoginDialog extends Dialog {

    private Text user;

    private Text password;

    private Button storeCheckbox;

    private UserPasswordCredentials credentials;

    private boolean storeInSecureStore;

    private final URIish uri;

    private boolean isUserSet;

    private boolean changeCredentials = false;

    private String oldUser;

    LoginDialog(Shell shell, URIish uri) {
        super(shell);
        this.uri = uri;
        isUserSet = uri.getUser() != null && uri.getUser().length() > 0;
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        final Composite composite = (Composite) super.createDialogArea(parent);
        composite.setLayout(new GridLayout(2, false));
        getShell().setText(
                changeCredentials ? UIText.LoginDialog_changeCredentials
                        : UIText.LoginDialog_login);

        Label uriLabel = new Label(composite, SWT.NONE);
        uriLabel.setText(UIText.LoginDialog_repository);
        Text uriText = new Text(composite, SWT.READ_ONLY);
        uriText.setText(uri.toString());

        Label userLabel = new Label(composite, SWT.NONE);
        userLabel.setText(UIText.LoginDialog_user);
        if (isUserSet) {
            user = new Text(composite, SWT.BORDER | SWT.READ_ONLY);
            user.setText(uri.getUser());
        } else {
            user = new Text(composite, SWT.BORDER);
            if (oldUser != null)
                user.setText(oldUser);
        }
        GridDataFactory.fillDefaults().grab(true, false).applyTo(user);

        Label passwordLabel = new Label(composite, SWT.NONE);
        passwordLabel.setText(UIText.LoginDialog_password);
        password = new Text(composite, SWT.PASSWORD | SWT.BORDER);
        GridDataFactory.fillDefaults().grab(true, false).applyTo(password);

        if(!changeCredentials) {
            Label storeLabel = new Label(composite, SWT.NONE);
            storeLabel.setText(UIText.LoginDialog_storeInSecureStore);
            storeCheckbox = new Button(composite, SWT.CHECK);
            storeCheckbox.setSelection(Activator.getDefault()
                    .getPreferenceStore()
                    .getBoolean(UIPreferences.CLONE_WIZARD_STORE_SECURESTORE));
        }

        if (isUserSet)
            password.setFocus();
        else
            user.setFocus();

        return composite;
    }

    UserPasswordCredentials getCredentials() {
        return credentials;
    }

    boolean getStoreInSecureStore() {
        return storeInSecureStore;
    }

    @Override
    protected void okPressed() {
        if (user.getText().length() > 0) {
            credentials = new UserPasswordCredentials(user.getText(),
                    password.getText());
            if(!changeCredentials)
                storeInSecureStore = storeCheckbox.getSelection();
        }
        super.okPressed();
    }

    void setChangeCredentials(boolean changeCredentials) {
        this.changeCredentials = changeCredentials;
    }

    public void setOldUser(String oldUser) {
        this.oldUser = oldUser;
    }

}