OntologyImportWizardPage.java

/*******************************************************************************
* This file is part of the Coporate Semantic Web Project.
*
* This work has been partially supported by the ``InnoProfile-Corporate Semantic Web" project funded by the German Federal
* Ministry of Education and Research (BMBF) and the BMBF Innovation Initiative for the New German Laender - Entrepreneurial Regions.
*
* http://www.corporate-semantic-web.de/
*
*
* Freie Universitaet Berlin
* Copyright (c) 2007-2013
*
*
* Institut fuer Informatik
* Working Group Coporate Semantic Web
* Koenigin-Luise-Strasse 24-26
* 14195 Berlin
*
* http://www.mi.fu-berlin.de/en/inf/groups/ag-csw/
*
*
*
* This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or see <http://www.gnu.org/licenses/>
******************************************************************************/
package de.fuberlin.agcsw.heraclitus.backend.ui.wizards;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.preference.FileFieldEditor;
import org.eclipse.jface.viewers.IStructuredSelection;
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.Composite;
import org.eclipse.ui.dialogs.WizardNewFileCreationPage;


public class OntologyImportWizardPage extends WizardNewFileCreationPage{

	protected FileFieldEditor editor;
	
	protected OntologyImportWizardPage(String name,
			IStructuredSelection selection) {
		super(name, selection);
		
		
		setTitle(name); //NON-NLS-1
		setDescription("Import a file from the local file system into the workspace"); 
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.dialogs.WizardNewFileCreationPage#createAdvancedControls(org.eclipse.swt.widgets.Composite)
	 */	
	protected void createAdvancedControls(Composite parent) {
		Composite fileSelectionArea = new Composite(parent, SWT.NONE);
		GridData fileSelectionData = new GridData(GridData.GRAB_HORIZONTAL
				| GridData.FILL_HORIZONTAL);
		fileSelectionArea.setLayoutData(fileSelectionData);

		GridLayout fileSelectionLayout = new GridLayout();
		fileSelectionLayout.numColumns = 3;
		fileSelectionLayout.makeColumnsEqualWidth = false;
		fileSelectionLayout.marginWidth = 0;
		fileSelectionLayout.marginHeight = 0;
		fileSelectionArea.setLayout(fileSelectionLayout);
		
		editor = new FileFieldEditor("fileSelect","Select File: ",fileSelectionArea); //NON-NLS-1 //NON-NLS-2
		editor.getTextControl(fileSelectionArea).addModifyListener(new ModifyListener(){
			public void modifyText(ModifyEvent e) {
				IPath path = new Path(OntologyImportWizardPage.this.editor.getStringValue());
				setFileName(path.lastSegment());
			}
		});
		String[] extensions = new String[] { "*.*" }; //NON-NLS-1
		editor.setFileExtensions(extensions);
		fileSelectionArea.moveAbove(null);

	}
	
	 /* (non-Javadoc)
	 * @see org.eclipse.ui.dialogs.WizardNewFileCreationPage#createLinkTarget()
	 */
	protected void createLinkTarget() {
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.dialogs.WizardNewFileCreationPage#getInitialContents()
	 */
	protected InputStream getInitialContents() {
		try {
			return new FileInputStream(new File(editor.getStringValue()));
		} catch (FileNotFoundException e) {
			return null;
		}
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.dialogs.WizardNewFileCreationPage#getNewFileLabel()
	 */
	protected String getNewFileLabel() {
		return "New File Name:"; //NON-NLS-1
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.dialogs.WizardNewFileCreationPage#validateLinkedResource()
	 */
	protected IStatus validateLinkedResource() {
		return new Status(IStatus.OK, "de.fuberlin.agcsw.ontoEclipse", IStatus.OK, "", null); //NON-NLS-1 //NON-NLS-2
	}

}