/*

 * Created on 11-jan-2005

 *

 */

package org.drools.eclipse.wizard.dsl;



import java.io.IOException;

import java.io.InputStream;





import org.drools.eclipse.DroolsEclipsePlugin;

import org.eclipse.jface.viewers.IStructuredSelection;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.ui.IWorkbench;

import org.eclipse.ui.IWorkbenchWindow;

import org.eclipse.ui.PartInitException;

import org.eclipse.ui.dialogs.WizardNewFileCreationPage;

import org.eclipse.ui.ide.IDE;



/**

 * A page to create a new Domain Specific Language configuration.

 * There may be additional options here in future.

 * 

 * @author <a href="mailto:kris_verlaenen@hotmail.com">kris verlaenen </a>

 * @author Michael Neale

 */

public class NewDSLFilePage extends WizardNewFileCreationPage {



    private IWorkbench workbench;



    public NewDSLFilePage(IWorkbench workbench, IStructuredSelection selection) {

        super("createDSLFilePage", selection);

        setTitle("New DSL");

        setDescription("Create a new Domain Specific Language configuration");

        this.workbench = workbench;

    }



    public void createControl(Composite parent) {

        super.createControl(parent);

        setPageComplete(true);

    }



    public boolean finish() {

        String fileName = getFileName();

        if (!fileName.endsWith(".dsl")) {

            setFileName(fileName + ".dsl");

        }

        org.eclipse.core.resources.IFile newFile = createNewFile();

        if (newFile == null)

            return false;

        try {

            IWorkbenchWindow dwindow = workbench.getActiveWorkbenchWindow();

            org.eclipse.ui.IWorkbenchPage page = dwindow.getActivePage();

            if (page != null)

                IDE.openEditor(page, newFile, true);

        } catch (PartInitException e) {

            DroolsEclipsePlugin.log(e);

            return false;

        }

        return true;

    }

    

    protected InputStream getInitialContents() {

        try {

            return DroolsEclipsePlugin.getDefault().getBundle().getResource(

                "org/drools/eclipse/wizard/dsl/template.dsl").openStream();

        } catch (IOException e) {

            return null;

        } catch (NullPointerException e) {

            return null;

        }

    }



}