lost.tok.DiscussionViewer.GemsWizardPage.java Source code

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Here is the source code for lost.tok.DiscussionViewer.GemsWizardPage.java

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/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package lost.tok.DiscussionViewer;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.ObjectOutputStream;
import java.util.Hashtable;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
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.Group;
import org.eclipse.swt.widgets.Label;

import org.eclipse.core.resources.IFile;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.dialogs.WizardNewFileCreationPage;
import org.eclipse.ui.ide.IDE;

import org.gems.designer.InitialContentProvider;
import org.gems.designer.ModelInstance;
import org.gems.designer.ModelInstanceRepository;
import org.gems.designer.ModelRepository;
import org.gems.designer.PluginUtilities;

public class GemsWizardPage extends WizardNewFileCreationPage implements SelectionListener {

    private IWorkbench workbench;
    private static int exampleCount = 1;
    private Button model1 = null;
    private Button model2 = null;
    private int modelSelected = 1;

    public GemsWizardPage(IWorkbench aWorkbench, IStructuredSelection selection) {
        super("DiscussionViewer DSML", selection); //$NON-NLS-1$
        this.setTitle("DiscussionViewer DSML");
        this.setDescription("Create a DiscussionViewer DSML instance");
        this.setImageDescriptor(ImageDescriptor.createFromFile(getClass(), "icons/logicbanner.gif")); //$NON-NLS-1$
        this.workbench = aWorkbench;
    }

    public void createControl(Composite parent) {
        super.createControl(parent);
        this.setFileName("DiscussionViewer" + exampleCount + ".dis"); //$NON-NLS-2$//$NON-NLS-1$

        Composite composite = (Composite) getControl();

        new Label(composite, SWT.NONE);

        setPageComplete(validatePage());
    }

    protected InputStream getInitialContents() {
        ByteArrayInputStream bais = null;
        try {

            String intial = "<?xml version=\"1.0\" encoding=\"ASCII\"?>\n<discussionviewer:Root xmlns:discussionviewer=\"lost.tok.discussionViewer\"></discussionviewer:Root>";
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            java.io.OutputStreamWriter out = new java.io.OutputStreamWriter(baos);
            out.write(intial);
            out.flush();
            out.close();
            baos.close();
            bais = new ByteArrayInputStream(baos.toByteArray());
            bais.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return bais;
    }

    public boolean finish() {
        IFile newFile = createNewFile();
        if (newFile == null)
            return false; // ie.- creation was unsuccessful

        Hashtable useroptions = new Hashtable();
        InitialContentProvider[] initcontents = PluginUtilities
                .getInitialContentProviders(DiscussionViewerProvider.MODEL_ID);
        for (InitialContentProvider init : initcontents)
            init.provideContent(DiscussionViewerProvider.getInstance(), newFile, useroptions);

        // Since the file resource was created fine, open it for editing
        // iff requested by the user
        try {
            IWorkbenchWindow dwindow = workbench.getActiveWorkbenchWindow();
            IWorkbenchPage page = dwindow.getActivePage();
            if (page != null)
                IDE.openEditor(page, newFile, true);
        } catch (org.eclipse.ui.PartInitException e) {
            e.printStackTrace();
            return false;
        }
        exampleCount++;
        return true;
    }

    /**
     * @see org.eclipse.swt.events.SelectionListener#widgetSelected(SelectionEvent)
     */
    public void widgetSelected(SelectionEvent e) {

    }

    /**
     * Empty method
     */
    public void widgetDefaultSelected(SelectionEvent e) {
    }

}