EDIT

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.preference;

import java.io.IOException;

import org.apache.commons.lang.StringUtils;

import org.eclipse.swt.custom.CCombo;

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.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Label;

 * @author n.hoffmann

 * @created Dec 3, 2010

 * @version 1.0

 */

    private CCombo combo;

	@Override

	protected Control createContents(Composite parent) {

		Composite container = new Composite(parent, SWT.NULL);

		final GridLayout gridLayout = new GridLayout();

		container.setLayout(gridLayout);

		createEditorDefaultLanguage(container);

		return container;

	}

	/**

     * @param container

     */

    private void createEditorDefaultLanguage(Composite container) {

        // TODO Auto-generated method stub

        GridData oneLine = new GridData();

        oneLine.grabExcessHorizontalSpace = true;

        oneLine.horizontalAlignment = GridData.FILL;

        combo = new CCombo(container, SWT.NONE);

        combo.setLayoutData(oneLine);

        combo.add(Language.GERMAN.getLabel(), 0);

        combo.add(Language.ENGLISH.getLabel(), 1);

        restoreSavedSelection();

        combo.addSelectionListener(new SelectionListener() {

            @Override

            public void widgetSelected(SelectionEvent e) {

//                    preferencesUtil.writePropertyToConfigFile(combo.getSelectionIndex());

                        isSelectionChanged = true;

                    }else{

                        isSelectionChanged = false;

                    }

//                    MessagingUtils.messageDialog("Failed to write Config.ini", LanguageEditorPreferencePage.class,

//                            "Language switch failed, because could not write to Folder. No writing permissions!", null);

//                }

            @Override

            public void widgetDefaultSelected(SelectionEvent e) {

                // TODO Auto-generated method stub

            }

        });

    }

    /**

     * TODO: This method is not taking advantages of the enum field yet

     */

    private void restoreSavedSelection() {

                combo.select(0);

            Locale locale = Locale.getDefault();

            if(locale.getLanguage().equals(new Locale("de").getLanguage())){

            }else if(locale.getLanguage().equals(new Locale("en").getLanguage())){

            }

    }

    private enum Language{

        private Language(String label){

            this.label = label;

        }

        /**

         * @return the label

         */

        public String getLabel() {

            return label;

        }

    }

	@Override

	public boolean performOk() {

        try {

                preferencesUtil.writePropertyToConfigFile(combo.getSelectionIndex());

                boolean result = MessageDialog.openConfirm(getShell(), Messages.LanguageEditorPreferencePage_PleaseRestart, Messages.LanguageEditorPreferencePage_EditorHasToRestart);

                if(result){

                    //Press Ok

                    PlatformUI.getWorkbench().restart();

                }

            e.printStackTrace();

        }

		return super.performOk();

	}