/* * This is part of Geomajas, a GIS framework, http://www.geomajas.org/. * * Copyright 2008-2015 Geosparc nv, http://www.geosparc.com/, Belgium. * * The program is available in open source according to the GNU Affero * General Public License. All contributions in this program are covered * by the Geomajas Contributors License Agreement. For full licensing * details, see LICENSE.txt in the project root. */ package org.geomajas.gwt.client.widget.attribute; import org.geomajas.configuration.AssociationAttributeInfo; import org.geomajas.annotation.Api; import org.geomajas.layer.feature.attribute.ManyToOneAttribute; import com.smartgwt.client.widgets.form.fields.FormItem; /** * <p> * An item representing a many-to-noe attribute. Implementations should provide a {@link #fromItem(ManyToOneAttribute)} * method to copy the item value to the attribute and a {@link #toItem(ManyToOneAttribute)} method to copy the attribute * value to the item. They receive all necessary information on the attribute's metadata through the * {@link #init(AssociationAttributeInfo, AttributeProvider)} method. * </p> * * @param <F> the item class of the form item * * @author Jan De Moerloose * @since 1.11.1 */ @Api(allMethods = true) public interface ManyToOneItem<F extends FormItem> extends AssociationItem<F> { /** * Return the actual form item. * * @return the actual form item */ F getItem(); /** * Copy the attribute value from the attribute to the form item. * * @param attribute attribute to copy value from */ void toItem(ManyToOneAttribute attribute); /** * Copy the attribute value from the form item to the attribute. * * @param attribute attribute to copy value to */ void fromItem(ManyToOneAttribute attribute); /** * Initialize this item with the specified attribute info and provider. * * @param attributeInfo the attribute info * @param attributeProvider the attribute provider */ void init(AssociationAttributeInfo attributeInfo, AttributeProvider attributeProvider); /** * Clear this item's value. */ void clearValue(); }