org.eclipse.equinox.internal.security.ui.storage.ChallengeResponseDialog.java Source code

Introduction

Here is the source code for org.eclipse.equinox.internal.security.ui.storage.ChallengeResponseDialog.java

Source

/*******************************************************************************
 * Copyright (c) 2008 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.equinox.internal.security.ui.storage;

import org.eclipse.equinox.internal.security.ui.nls.SecUIMessages;
import org.eclipse.jface.dialogs.*;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;
import org.eclipse.ui.PlatformUI;

public class ChallengeResponseDialog extends TitleAreaDialog {

    private static final String HELP_ID = "org.eclipse.equinox.security.ui.challenge_response_dialog"; //$NON-NLS-1$

    protected Text[] questions;
    protected Text[] answers;

    protected String[] questionsText = null;
    protected String[] answersText = null;

    protected Button okButton;
    final protected int size;

    public ChallengeResponseDialog(int numberOfQuestions, Shell parentShell) {
        super(parentShell);
        this.size = numberOfQuestions;
        questions = new Text[this.size];
        answers = new Text[this.size];
    }

    protected void configureShell(Shell shell) {
        super.configureShell(shell);
        shell.setText(SecUIMessages.passwordRecoveryTitle);
        PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, HELP_ID);
    }

    protected void createButtonsForButtonBar(Composite parent) {
        okButton = createButton(parent, IDialogConstants.OK_ID, SecUIMessages.passwordButtonOK, true);
        okButton.setEnabled(false);
        createButton(parent, IDialogConstants.CANCEL_ID, SecUIMessages.passwordButtonCancel, false);
    }

    protected boolean isResizable() {
        return true;
    }

    protected Control createDialogArea(Composite parent) {
        Composite compositeTop = (Composite) super.createDialogArea(parent);
        setTitle(SecUIMessages.passwordRecoveryTitleMsg);

        Composite composite = new Composite(compositeTop, SWT.NONE);

        setMessage(SecUIMessages.passwordMsg, IMessageProvider.NONE);

        Label storyLabel = new Label(composite, SWT.WRAP);
        GridData labelData = new GridData(SWT.FILL, SWT.BEGINNING, true, false);
        labelData.widthHint = 500;
        storyLabel.setLayoutData(labelData);
        storyLabel.setText(SecUIMessages.passwordRecoveryLabel);

        for (int i = 0; i < size; i++) {
            Group group = new Group(composite, SWT.NONE);
            group.setText(NLS.bind(SecUIMessages.passwordGroup, Integer.toString(i + 1)));
            group.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, false));
            group.setLayout(new GridLayout(2, false));

            new Label(group, SWT.LEFT).setText(SecUIMessages.passwordQuestion);
            questions[i] = new Text(group, SWT.LEFT | SWT.BORDER);
            questions[i].setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, false));
            questions[i].addModifyListener(new ModifyListener() {
                public void modifyText(ModifyEvent event) {
                    validateOK();
                }
            });

            new Label(group, SWT.LEFT).setText(SecUIMessages.passwordAnswer);
            answers[i] = new Text(group, SWT.LEFT | SWT.BORDER);
            answers[i].setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, false));
            answers[i].addModifyListener(new ModifyListener() {
                public void modifyText(ModifyEvent event) {
                    validateOK();
                }
            });
        }

        composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        GridLayoutFactory.swtDefaults().generateLayout(composite);

        return composite;
    }

    protected void validateOK() {
        boolean valid = true;
        for (int i = 0; i < size; i++) {
            if (questions[i] == null)
                continue;
            String question = questions[i].getText();
            if (question == null || question.length() == 0) {
                valid = false;
                break;
            }
            if (answers[i] == null)
                continue;
            String answer = answers[i].getText();
            if (answer == null || answer.length() == 0) {
                valid = false;
                break;
            }
        }
        if (valid)
            setMessage(SecUIMessages.passwordMsg, IMessageProvider.NONE);
        else
            setMessage(SecUIMessages.passwordErrMsg, IMessageProvider.WARNING);
        okButton.setEnabled(valid);
    }

    protected void okPressed() {
        questionsText = new String[size];
        answersText = new String[size];

        for (int i = 0; i < size; i++) {
            questionsText[i] = questions[i].getText();
            answersText[i] = answers[i].getText();
        }
        super.okPressed();
    }

    public String[][] getResult() {
        if (questionsText == null || answersText == null)
            return null;
        return new String[][] { questionsText, answersText };
    }

}