/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.foundation.viewpoint;

import java.lang.reflect.Type;
import java.util.List;

import org.openflexo.antar.binding.BindingDefinition;
import org.openflexo.antar.binding.BindingDefinition.BindingDefinitionType;
import org.openflexo.antar.binding.ParameterizedTypeImpl;
import org.openflexo.foundation.ontology.OntologyDataProperty;
import org.openflexo.foundation.ontology.OntologyObjectProperty;
import org.openflexo.foundation.ontology.OntologyProperty;
import org.openflexo.foundation.view.action.EditionSchemeAction;
import org.openflexo.foundation.viewpoint.ViewPoint.ViewPointBuilder;
import org.openflexo.foundation.viewpoint.binding.ViewPointDataBinding;

public class ListParameter extends EditionSchemeParameter {

	public enum ListType {
		String, Property, ObjectProperty, DataProperty
	}

	private ListType listType;
	private ViewPointDataBinding list;

	public ListParameter(ViewPointBuilder builder) {
		super(builder);
	}

	private BindingDefinition LIST = new BindingDefinition("list", Object.class, BindingDefinitionType.GET, false) {
		@Override
		public Type getType() {
			return ListParameter.this.getType();
		};
	};

	public BindingDefinition getListBindingDefinition() {
		return LIST;
	}

	@Override
	public Type getType() {
		if (getListType() == null) {
			return List.class;
		}
		switch (getListType()) {
		case String:
			return new ParameterizedTypeImpl(List.class, String.class);
		case Property:
			return new ParameterizedTypeImpl(List.class, OntologyProperty.class);
		case ObjectProperty:
			return new ParameterizedTypeImpl(List.class, OntologyObjectProperty.class);
		case DataProperty:
			return new ParameterizedTypeImpl(List.class, OntologyDataProperty.class);
		default:
			return List.class;
		}
	};

	@Override
	public WidgetType getWidget() {
		return WidgetType.LIST;
	}

	public ListType getListType() {
		return listType;
	}

	public void setListType(ListType listType) {
		this.listType = listType;
	}

	public ViewPointDataBinding getList() {
		if (list == null) {
			list = new ViewPointDataBinding(this, ParameterBindingAttribute.list, getListBindingDefinition());
		}
		return list;
	}

	public void setList(ViewPointDataBinding list) {
		if (list != null) {
			list.setOwner(this);
			list.setBindingAttribute(ParameterBindingAttribute.defaultValue);
			list.setBindingDefinition(getDefaultValueBindingDefinition());
		}
		this.list = list;
	}

	public Object getList(EditionSchemeAction<?> action) {
		if (getList().isValid()) {
			return getList().getBindingValue(action);
		}
		return null;
	}

}