/*******************************************************************************
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * 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 2.1 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.
 *
 *******************************************************************************/
package com.liferay.ide.xml.search.ui;

import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.StringFieldEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.preferences.ScopedPreferenceStore;
import org.osgi.service.prefs.BackingStoreException;


/**
 * @author Gregory Amerson
 */
public class XMLSearchPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage
{

    private ScopedPreferenceStore prefStore;

    public XMLSearchPreferencePage()
    {
        super( GRID );
    }

    @Override
    protected void createFieldEditors()
    {
        final Label label = new Label( getFieldEditorParent(), SWT.NONE );
        label.setData( new GridData( SWT.LEFT, SWT.DEFAULT, true, false, 2, 1 ) );
        label.setText( "Specify the list of projects to ignore while searching xml files" );

        addField( new StringFieldEditor(
            LiferayXMLSearchUI.PREF_KEY_IGNORE_PROJECTS_LIST, "", getFieldEditorParent() ) );
    }

    @Override
    public IPreferenceStore getPreferenceStore()
    {
        if( prefStore == null )
        {
            prefStore = new ScopedPreferenceStore( InstanceScope.INSTANCE, LiferayXMLSearchUI.PLUGIN_ID );
        }

        return prefStore;
    }

    @Override
    public void init( IWorkbench workbench )
    {
    }

    @Override
    protected void performDefaults()
    {
        final IEclipsePreferences prefs = LiferayXMLSearchUI.getInstancePrefs();
        prefs.remove( LiferayXMLSearchUI.PREF_KEY_IGNORE_PROJECTS_LIST );

        try
        {
            prefs.flush();
        }
        catch( BackingStoreException e )
        {
            LiferayXMLSearchUI.logError( e );
        }

        super.performDefaults();
    }
}