/*
 * 
 */
package org.eclipse.papyrus.uml.diagram.common.parser.structural;

import java.text.FieldPosition;
import java.text.MessageFormat;
import java.util.Collections;

import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.common.core.command.UnexecutableCommand;
import org.eclipse.gmf.runtime.common.ui.services.parser.IParserEditStatus;
import org.eclipse.gmf.runtime.common.ui.services.parser.ParserEditStatus;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;

// TODO: Auto-generated Javadoc
/**
 * The Class UMLStructuralFeatureParser.
 * 
 * @generated
 */
public class UMLStructuralFeatureParser extends UMLAbstractParser {

	/** The Constant DEFAULT_PROCESSOR. */
	public static final MessageFormat DEFAULT_PROCESSOR = new MessageFormat("{0}"); //$NON-NLS-1$

	/** The feature. */
	private final EStructuralFeature feature;

	/**
	 * The Constructor.
	 * 
	 * @param feature
	 *        the feature
	 * 
	 * @generated
	 */
	public UMLStructuralFeatureParser(EStructuralFeature feature) {
		this.feature = feature;
	}

	/**
	 * Gets the view processor.
	 * 
	 * @return the view processor
	 * 
	 * @generated
	 */
	@Override
	protected MessageFormat getViewProcessor() {
		MessageFormat processor = super.getViewProcessor();
		return processor == null ? DEFAULT_PROCESSOR : processor;
	}

	/**
	 * Gets the edit processor.
	 * 
	 * @return the edits the processor
	 * 
	 * @generated
	 */
	@Override
	protected MessageFormat getEditProcessor() {
		MessageFormat processor = super.getEditProcessor();
		return processor == null ? DEFAULT_PROCESSOR : processor;
	}

	/**
	 * Gets the domain element.
	 * 
	 * @param element
	 *        the element
	 * 
	 * @return the domain element
	 * 
	 * @generated
	 */
	protected EObject getDomainElement(EObject element) {
		return element;
	}

	/**
	 * Gets the string by pattern.
	 * 
	 * @param adapter
	 *        the adapter
	 * @param flags
	 *        the flags
	 * @param pattern
	 *        the pattern
	 * @param processor
	 *        the processor
	 * 
	 * @return the string by pattern
	 * 
	 * @generated
	 */
	@Override
	protected String getStringByPattern(IAdaptable adapter, int flags, String pattern, MessageFormat processor) {
		EObject element = (EObject)adapter.getAdapter(EObject.class);
		element = getDomainElement(element);
		return getStringByPattern(element, feature, processor);
	}

	/**
	 * Gets the string by pattern.
	 * 
	 * @param element
	 *        the element
	 * @param feature
	 *        the feature
	 * @param processor
	 *        the processor
	 * 
	 * @return the string by pattern
	 * 
	 * @generated
	 */
	protected String getStringByPattern(EObject element, EStructuralFeature feature, MessageFormat processor) {
		Object value = element == null ? null : element.eGet(feature);
		value = getValidValue(feature, value);
		return processor.format(new Object[]{ value }, new StringBuffer(), new FieldPosition(0)).toString();
	}

	/**
	 * Validate values.
	 * 
	 * @param values
	 *        the values
	 * 
	 * @return the i parser edit status
	 * 
	 * @generated
	 */
	// @unused
	protected IParserEditStatus validateValues(Object[] values) {
		if(values.length > 1) {
			return ParserEditStatus.UNEDITABLE_STATUS;
		}
		Object value = values.length == 1 ? values[0] : null;
		value = getValidNewValue(feature, value);
		if(value instanceof InvalidValue) {
			return new ParserEditStatus(UMLAbstractParser.ID, IParserEditStatus.UNEDITABLE, value.toString());
		}
		return ParserEditStatus.EDITABLE_STATUS;
	}

	/**
	 * Gets the parse command.
	 * 
	 * @param adapter
	 *        the adapter
	 * @param values
	 *        the values
	 * 
	 * @return the parses the command
	 * 
	 * @generated
	 */
	@Override
	public ICommand getParseCommand(IAdaptable adapter, Object[] values) {
		EObject element = (EObject)adapter.getAdapter(EObject.class);
		element = getDomainElement(element);
		if(element == null) {
			return UnexecutableCommand.INSTANCE;
		}
		TransactionalEditingDomain editingDomain = TransactionUtil.getEditingDomain(element);
		if(editingDomain == null) {
			return UnexecutableCommand.INSTANCE;
		}
		Object value = values.length == 1 ? values[0] : null;
		ICommand command = getModificationCommand(element, feature, value);
		return new CompositeTransactionalCommand(editingDomain, command.getLabel(), Collections.singletonList(command));
	}

	/**
	 * Checks if is affecting event.
	 * 
	 * @param event
	 *        the event
	 * @param flags
	 *        the flags
	 * 
	 * @return true, if checks if is affecting event
	 * 
	 * @generated
	 */
	public boolean isAffectingEvent(Object event, int flags) {
		if(event instanceof Notification) {
			return isAffectingFeature(((Notification)event).getFeature());
		}
		return false;
	}

	/**
	 * Checks if is affecting feature.
	 * 
	 * @param eventFeature
	 *        the event feature
	 * 
	 * @return true, if checks if is affecting feature
	 * 
	 * @generated
	 */
	protected boolean isAffectingFeature(Object eventFeature) {
		return feature == eventFeature;
	}
}