/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package org.eclipse.stem.definitions.edges.provider;


import java.util.Collection;
import java.util.List;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.ResourceLocator;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.stem.core.graph.Edge;
import org.eclipse.stem.core.graph.EdgeLabel;
import org.eclipse.stem.core.graph.provider.EdgeLabelItemProvider;
import org.eclipse.stem.definitions.edges.MixingEdgeLabel;
import org.eclipse.stem.geography.names.GeographicNames;

/**
 * This is the item provider adapter for a {@link org.eclipse.stem.definitions.edges.MixingEdgeLabel} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class MixingEdgeLabelItemProvider
	extends EdgeLabelItemProvider {
	/**
	 * This constructs an instance from a factory and a notifier.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public MixingEdgeLabelItemProvider(AdapterFactory adapterFactory) {
		super(adapterFactory);
	}

	/**
	 * This returns the property descriptors for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
		if (itemPropertyDescriptors == null) {
			super.getPropertyDescriptors(object);

		}
		return itemPropertyDescriptors;
	}

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	@Override
	public String getText(Object object) {
		final Edge edge = ((EdgeLabel) object).getEdge();		
		final String firstISOKey = edge.getNodeAURI().lastSegment();
		final String secondISOKey = edge.getNodeBURI().lastSegment();				

		final String firstGeoName = GeographicNames.getName(firstISOKey);
		final String secondGeoName = GeographicNames.getName(secondISOKey);

		final StringBuilder sb = new StringBuilder(
				firstGeoName.startsWith("!") ? firstISOKey : firstGeoName);
		
		sb.append(" <-> ");
		// Find Bugs identified as error.  secondGeoName was used 
		// for both conditions off the ternary
		sb.append(secondGeoName.startsWith("!") ? secondISOKey
						: secondGeoName);

		return sb.toString();
	}

	/**
	 * This handles model notifications by calling {@link #updateChildren} to update any cached
	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void notifyChanged(Notification notification) {
		updateChildren(notification);
		super.notifyChanged(notification);
	}

	/**
	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
	 * that can be created under this object.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
		super.collectNewChildDescriptors(newChildDescriptors, object);
	}

	/**
	 * Return the resource locator for this item provider's resources.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public ResourceLocator getResourceLocator() {
		return DefinitionsEditPlugin.INSTANCE;
	}

}