com.iw.plugins.spindle.wizards.project.convert.QuestionPage.java Source code

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Here is the source code for com.iw.plugins.spindle.wizards.project.convert.QuestionPage.java

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Spindle, an Eclipse Plugin for Tapestry.
 *
 * The Initial Developer of the Original Code is
 * Intelligent Works Incorporated.
 * Portions created by the Initial Developer are Copyright (C) 2002
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 * 
 *  glongman@intelligentworks.com
 *
 * ***** END LICENSE BLOCK ***** */
package com.iw.plugins.spindle.wizards.project.convert;

import java.io.IOException;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.update.ui.forms.internal.engine.FormEngine;

import com.iw.plugins.spindle.TapestryImages;
import com.iw.plugins.spindle.ui.dialogfields.DialogField;
import com.iw.plugins.spindle.ui.dialogfields.IDialogFieldChangedListener;
import com.iw.plugins.spindle.ui.dialogfields.RadioDialogField;
import com.iw.plugins.spindle.util.Utils;

/**
 * @author gwl
 * @version $Id$
 *
 * Copyright 2002, Intelligent Work Inc.
 * All Rights Reserved.
 */
public class QuestionPage extends WizardPage implements IDialogFieldChangedListener {

    private RadioDialogField yesNoQuestion;

    /**
     * Constructor for QuestionPage.
     * @param name
     */
    public QuestionPage(String name) {
        super(name);

        this.setImageDescriptor(ImageDescriptor.createFromURL(TapestryImages.getImageURL("applicationDialog.gif")));
        this.setDescription("Migration Option");

        yesNoQuestion = new RadioDialogField("Migrate?", 80, new String[] { "Yes", "No" }, SWT.VERTICAL);

        yesNoQuestion.addListener(this);

    }

    public void createControl(Composite parent) {
        Composite composite = new Composite(parent, SWT.NONE);

        FormLayout layout = new FormLayout();
        layout.marginWidth = 4;
        layout.marginHeight = 4;
        composite.setLayout(layout);

        FormData formData = new FormData();
        formData.top = new FormAttachment(0, 0);
        formData.left = new FormAttachment(0, 0);
        formData.width = 400;
        composite.setLayoutData(formData);

        FormEngine notes = new FormEngine(composite, SWT.NONE);

        formData = new FormData();
        formData.left = new FormAttachment(0, 0);
        formData.right = new FormAttachment(100, 0);
        formData.top = new FormAttachment(composite, 4);
        formData.height = 200;
        formData.width = 350;

        notes.setLayoutData(formData);

        notes.load(getQuestionMessage(), true, false);

        Control radioControl = yesNoQuestion.getControl(composite);

        formData = new FormData();
        formData.left = new FormAttachment(0, 0);
        formData.right = new FormAttachment(100, 0);
        formData.top = new FormAttachment(notes, 4);

        radioControl.setLayoutData(formData);

        yesNoQuestion.setSelected(1);

        setControl(composite);

    }

    private String getQuestionMessage() {

        String resource = "question.xml";

        byte[] resultBytes = null;
        try {

            resultBytes = Utils.getInputStreamAsByteArray(getClass().getResourceAsStream(resource), -1);

        } catch (IOException e) {
        }

        if (resultBytes == null) {

            return "<form><p><b>Do you wish to migrate this project?</b></p></form>";

        }

        String message = new String(resultBytes);

        return message;
    }

    /**
     * Method getAnswer.
     * @return boolean
     */
    public boolean getAnswer() {

        return yesNoQuestion.getSelectedIndex() == 0;

    }

    /**
    * @see com.iw.plugins.spindle.ui.dialogfields.IDialogFieldChangedListener#dialogFieldButtonPressed(DialogField)
    */
    public void dialogFieldButtonPressed(DialogField field) {
    }

    /**
     * @see com.iw.plugins.spindle.ui.dialogfields.IDialogFieldChangedListener#dialogFieldChanged(DialogField)
     */
    public void dialogFieldChanged(DialogField field) {

        setPageComplete(yesNoQuestion.getSelectedIndex() >= 0);
    }

    /**
     * @see com.iw.plugins.spindle.ui.dialogfields.IDialogFieldChangedListener#dialogFieldStatusChanged(IStatus, DialogField)
     */
    public void dialogFieldStatusChanged(IStatus status, DialogField field) {
    }

}