/*******************************************************************************
 * 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.hook.core.model.internal;

import com.liferay.ide.hook.core.model.CustomJspDir;
import com.liferay.ide.hook.core.model.Hook;

import org.eclipse.sapphire.FilteredListener;
import org.eclipse.sapphire.Property;
import org.eclipse.sapphire.PropertyContentEvent;
import org.eclipse.sapphire.Value;
import org.eclipse.sapphire.modeling.Path;

/**
 * @author Kuo Zhang
 * @author Gregory Amerson
 */
public class CustomJspDirListener extends FilteredListener<PropertyContentEvent>
{

    @Override
    protected void handleTypedEvent( PropertyContentEvent event )
    {
        final Property prop = event.property();

        final Hook hook = prop.element().nearest( Hook.class );

        if( hook != null )
        {
            // IDE-1132, Listen the change of Property CustomJspDir, and refresh the Property CustomJsps.
            if( CustomJspDir.PROP_VALUE.equals( prop.definition() ) )
            {
                hook.property( Hook.PROP_CUSTOM_JSPS ).refresh();
            }
            // IDE-1251 listen for changes to custom_jsp_dir and if it is empty initialize initial content @InitialValue
            else if( Hook.PROP_CUSTOM_JSP_DIR.equals( prop.definition() ) )
            {
                CustomJspDir customJspDir = hook.getCustomJspDir().content( false );

                if( customJspDir != null )
                {
                    Value<Path> value = customJspDir.getValue();

                    if( value != null )
                    {
                        Path path = value.content( false );

                        if( path == null )
                        {
                            customJspDir.initialize();
                        }
                    }
                }
            }
        }
    }
}