AdaptedAbsSpinnerDataSetAttributes.java

package org.robobinding.widget.absspinner;

import static org.robobinding.attribute.ChildAttributeResolvers.predefinedMappingsAttributeResolver;
import static org.robobinding.attribute.ChildAttributeResolvers.propertyAttributeResolver;

import org.robobinding.attribute.ChildAttributeResolverMappings;
import org.robobinding.viewattribute.grouped.ChildViewAttributesBuilder;
import org.robobinding.widget.adapterview.AbstractAdaptedDataSetAttributes;
import org.robobinding.widget.adapterview.DropdownLayoutUpdaterProvider;
import org.robobinding.widget.adapterview.DropdownMappingUpdater;
import org.robobinding.widget.adapterview.ItemMappingAttribute;
import org.robobinding.widget.adapterview.RowLayoutAttributeAdapter;
import org.robobinding.widget.adapterview.RowLayoutAttributeFactory;

import android.widget.AbsSpinner;

import org.robobinding.util.ObjectArrays;

/**
 * 
 * @since 1.0
 * @version $Revision: 1.0 $
 * @author Robert Taylor
 */
public class AdaptedAbsSpinnerDataSetAttributes extends AbstractAdaptedDataSetAttributes<AbsSpinner> {
	public static final String DROPDOWN_LAYOUT = "dropdownLayout";
	public static final String DROPDOWN_MAPPING = "dropdownMapping";

	@Override
	public void mapChildAttributeResolvers(ChildAttributeResolverMappings resolverMappings) {
		super.mapChildAttributeResolvers(resolverMappings);
		resolverMappings.map(propertyAttributeResolver(), DROPDOWN_LAYOUT);
		resolverMappings.map(predefinedMappingsAttributeResolver(), DROPDOWN_MAPPING);
	}

	@Override
	public String[] getCompulsoryAttributes() {
		return ObjectArrays.concat(super.getCompulsoryAttributes(), DROPDOWN_LAYOUT);
	}

	@Override
	public void setupChildViewAttributes(AbsSpinner view, ChildViewAttributesBuilder<AbsSpinner> childViewAttributes) {
		super.setupChildViewAttributes(view, childViewAttributes);

		if (childViewAttributes.hasAttribute(DROPDOWN_LAYOUT)) {
			RowLayoutAttributeFactory factory = new RowLayoutAttributeFactory(view, 
					new DropdownLayoutUpdaterProvider(view, dataSetAdapterBuilder));
			childViewAttributes.add(DROPDOWN_LAYOUT, new RowLayoutAttributeAdapter(factory));
		}

		if (childViewAttributes.hasAttribute(DROPDOWN_MAPPING))
			childViewAttributes.add(DROPDOWN_MAPPING, new ItemMappingAttribute(new DropdownMappingUpdater(dataSetAdapterBuilder)));
	}
}