com.nokia.tools.s60ct.javaversionchecker.ui.ShowDialogJob.java Source code

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Here is the source code for com.nokia.tools.s60ct.javaversionchecker.ui.ShowDialogJob.java

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/*
 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
 * All rights reserved.
 * This component and the accompanying materials are made available
 * under the terms of "Eclipse Public License v1.0"
 * which accompanies this distribution, and is available
 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
 *
 * Initial Contributors:
 * Nokia Corporation - initial contribution.
 *
 * Contributors:
 *
 * Description:
 *
 */
package com.nokia.tools.s60ct.javaversionchecker.ui;

import java.net.MalformedURLException;
import java.net.URL;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Preferences;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.MessageDialogWithToggle;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Link;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.browser.IWebBrowser;
import org.eclipse.ui.progress.UIJob;

import com.nokia.tools.s60ct.javaversionchecker.Activator;
import com.nokia.tools.s60ct.javaversionchecker.MessageGenerator;
import com.nokia.tools.s60ct.javaversionchecker.PreferenceConstants;
import com.nokia.tools.s60ct.javaversionchecker.SupportedJavaVersions;

/**
 * 
 *
 */
public class ShowDialogJob extends UIJob {

    private Preferences prefs = Activator.getDefault().getPluginPreferences();

    /**
     * @param name
     */
    public ShowDialogJob(String name) {
        super(name);
    }

    /**
     * @see org.eclipse.ui.progress.UIJob#runInUIThread(org.eclipse.core.runtime.IProgressMonitor)
     */
    @Override
    public IStatus runInUIThread(IProgressMonitor monitor) {
        boolean response = showDialog();

        //If toggle was selected, store preferences
        if (response) {
            prefs.setValue(PreferenceConstants.P_DISABLE_JDK_WARNING, response);
            Activator.getDefault().savePluginPreferences();
        }

        return Status.OK_STATUS;
    }

    /**
     * Shows JRE warning dialog.
     * @return state of toggle
     */
    private static boolean showDialog() {
        MessageDialogWithToggle dialog = new MessageDialogWithToggle(
                PlatformUI.getWorkbench().getDisplay().getActiveShell(), MessageGenerator.generateTitle(), null,
                MessageGenerator.generateMessage(), MessageDialog.WARNING,
                new String[] { IDialogConstants.OK_LABEL }, 0, "Do not warn again", false) {
            protected Control createMessageArea(Composite composite) {
                Image image = getImage();
                if (image != null) {
                    imageLabel = new Label(composite, SWT.NULL);
                    image.setBackground(imageLabel.getBackground());
                    imageLabel.setImage(image);
                    GridDataFactory.fillDefaults().align(SWT.CENTER, SWT.BEGINNING).applyTo(imageLabel);
                }

                Link link = new Link(composite, getMessageLabelStyle());
                link.setText(message);
                link.addSelectionListener(new SelectionAdapter() {

                    public void widgetSelected(SelectionEvent e) {
                        if ("Download JRE".equals(e.text)) {

                            try {
                                IWebBrowser browser = PlatformUI.getWorkbench().getBrowserSupport()
                                        .getExternalBrowser();
                                browser.openURL(new URL(SupportedJavaVersions.sunJre1_6_0_DownloadSite));
                            } catch (MalformedURLException ex) {
                                ex.printStackTrace();
                            } catch (PartInitException ex) {
                                ex.printStackTrace();
                            }
                        } else {
                            try {
                                IWebBrowser browser = PlatformUI.getWorkbench().getBrowserSupport()
                                        .getExternalBrowser();
                                browser.openURL(new URL(
                                        "http://help.eclipse.org/ganymede/index.jsp?topic=/org.eclipse.platform.doc.user/tasks/running_eclipse.htm"));
                            } catch (MalformedURLException ex) {
                                ex.printStackTrace();
                            } catch (PartInitException ex) {
                                ex.printStackTrace();
                            }

                        }
                    }
                });

                GridDataFactory.fillDefaults().align(SWT.FILL, SWT.BEGINNING).grab(true, false)
                        .hint(convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH),
                                SWT.DEFAULT)
                        .applyTo(link);

                return composite;
            }
        };

        dialog.open();
        return dialog.getToggleState();
    }
}