/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

package s60cenrep.provider;

import interfaces.CellModifier;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Collection;

import java.util.List;

import org.eclipse.emf.common.command.Command;

import org.eclipse.emf.common.notify.AdapterFactory;

import org.eclipse.emf.common.notify.Notification;

import org.eclipse.emf.ecore.EObject;

import org.eclipse.emf.ecore.EStructuralFeature;

import org.eclipse.emf.edit.command.SetCommand;

import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;

import org.eclipse.emf.edit.domain.EditingDomain;

import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;

import org.eclipse.emf.edit.provider.ITableItemLabelProvider;

import org.eclipse.emf.edit.provider.ViewerNotification;

import cenrep.CenrepPackage;

import cenrep.Key;

import cenrep.KeyRange;

import cenrep.Repository;

public class KeyRangeItemProvider extends cenrep.provider.KeyRangeItemProvider

		implements ITableItemLabelProvider, CellModifier {

	public static final String PROP_NAME = "name";

	public static final String PROP_REF = "ref";

	public static final String PROP_FIRSTINT = "firstInt";

	public static final String PROP_LASTINT = "lastInt";

	//public static final EStructuralFeature FIRST_IDENT = CenrepPackage.eINSTANCE.getKeyRange_FirstInt();

	//public static final EStructuralFeature LAST_IDENT = CenrepPackage.eINSTANCE.getKeyRange_LastInt();

	public static final EStructuralFeature NAME_FEATURE = CenrepPackage.eINSTANCE.getKeyRange_Name();

	public static final EStructuralFeature REF_FEATURE = CenrepPackage.eINSTANCE.getRVG_Ref();

	public static final EStructuralFeature FIRSTINT_FEATURE = CenrepPackage.eINSTANCE.getKeyRange_FirstInt();

	public static final EStructuralFeature LASTINT_FEATURE = CenrepPackage.eINSTANCE.getKeyRange_LastInt();

	private final EStructuralFeature[] REPOSITORY_CHILDREN = new EStructuralFeature[] { CenrepPackage.Literals.REPOSITORY__RANGE_KEY };

	private final EStructuralFeature[] RANGE_CHILDREN = new EStructuralFeature[] { CenrepPackage.Literals.KEY_RANGE__KEYS };

//	private static Key emptyKey = CenrepFactory.eINSTANCE.createKey();

	public KeyRangeItemProvider(AdapterFactory adapterFactory) {

		super(adapterFactory);

//		emptyKey.setName("<Add new key>");

	}

	@Override

	public Collection<EStructuralFeature> getChildrenFeatures(Object object) {

		if (object instanceof Repository)

			return Arrays.asList(REPOSITORY_CHILDREN);

		else if (object instanceof KeyRange)

			return Arrays.asList(RANGE_CHILDREN);

		return null;

	}

	@Override

	public Collection<Key> getChildren(Object object) {

		Collection<Key> children = (Collection<Key>) super.getChildren(object);

//		if (object instanceof KeyRange) children.add(emptyKey);

		return children;

	}

	public Object getColumnImage(Object object, int columnIndex) {

		if (columnIndex == 0)

			return getImage(object);

		return null;

	}

	public String getColumnText(Object object, int columnIndex) {

		EObject eObject = (EObject) object;

		switch (columnIndex) {

		case 0:

			return (String) eObject.eGet(NAME_FEATURE);

		case 1:

			return (String) eObject.eGet(REF_FEATURE);

		case 2:

			return null;

		case 3:

			return null;

		case 4:

			return (String) eObject.eGet(FIRSTINT_FEATURE);

		case 5:

			return (String) eObject.eGet(LASTINT_FEATURE);

		}

		return null;

	}

	public boolean canModify(Object element, String property) {

		if (property.equals(PROP_NAME) || property.equals(PROP_REF) || property.equals(PROP_FIRSTINT) || property.equals(PROP_LASTINT))

			return true;

		else 

			return false;

	}

	public Object getValue(Object element, String property) {

		EObject eObject = (EObject) element;

		String result = null;

		if (property.equals(PROP_NAME))

			result = (String) eObject.eGet(NAME_FEATURE);

		else if (property.equals(PROP_REF))

			result = (String) eObject.eGet(REF_FEATURE);

		else if(property.equals(PROP_FIRSTINT))

			result = (String) eObject.eGet(FIRSTINT_FEATURE);

		else if(property.equals(PROP_LASTINT))

			result = (String) eObject.eGet(LASTINT_FEATURE);

		return result != null ? result : "";

	}

	public void modify(Object parent, Object element, String property,

			Object value) {

		EObject object = (EObject) element;

		EditingDomain domain = AdapterFactoryEditingDomain

				.getEditingDomainFor(object);

		Command command = null;

		if (property.equals(PROP_NAME)) {

			String oldValue = (String) object.eGet(NAME_FEATURE);

			String newValue = (String) value;

			if (newValue != oldValue) 

				command = SetCommand.create(domain, object, NAME_FEATURE, value);

		} else if (property.equals(PROP_REF)) {

			String oldRef = (String) object.eGet(REF_FEATURE);

			String newRef = (String) value;

			if (oldRef != newRef) {

				command = SetCommand.create(domain, object, REF_FEATURE, newRef);

			}

		} else if (property.equals(PROP_FIRSTINT)) {

			String oldFI = (String) object.eGet(FIRSTINT_FEATURE);

			String newFI = (String) value;

			if (newFI.startsWith("0x") || newFI.startsWith("0X"))

				newFI = "0x"+newFI.substring(2).toUpperCase();

			else

				newFI = "0x"+newFI.toUpperCase();

			if (oldFI != newFI) {

				command = SetCommand.create(domain, object, FIRSTINT_FEATURE, newFI);

			}

		} else if (property.equals(PROP_LASTINT)) {

			String oldLI = (String) object.eGet(LASTINT_FEATURE);

			String newLI = (String) value;

			if (newLI.startsWith("0x") || newLI.startsWith("0X"))

				newLI = "0x"+newLI.substring(2).toUpperCase();

			else

				newLI = "0x"+newLI.toUpperCase();

			if (oldLI != newLI) {

				command = SetCommand.create(domain, object, LASTINT_FEATURE, newLI);

			}

		}

		if (command != null)

			domain.getCommandStack().execute(command);

	}

	@Override

	public List getPropertyDescriptors(Object object) {

		if (itemPropertyDescriptors == null) {

			itemPropertyDescriptors = new ArrayList<IItemPropertyDescriptor>();

			addBackupPropertyDescriptor(object);

			addReadOnlyPropertyDescriptor(object);

			addRefPropertyDescriptor(object);

			addNamePropertyDescriptor(object);

			addFirstIntPropertyDescriptor(object);

			addLastIntPropertyDescriptor(object);

			addIntPropertyDescriptor(object);

			addIndexBitsPropertyDescriptor(object);

			addCountIntPropertyDescriptor(object);

			addFirstIndexPropertyDescriptor(object);

		}

		return itemPropertyDescriptors;

	}

	public void notifyChanged(Notification notification) {

		switch (notification.getFeatureID(Repository.class)) {

			case CenrepPackage.REPOSITORY__RANGE_KEY:

			case CenrepPackage.KEY_RANGE__KEYS:

				fireNotifyChanged(new ViewerNotification(notification, notification

						.getNotifier(), true, false));

				return;	

			case CenrepPackage.KEY_RANGE__NAME:

			case CenrepPackage.KEY_RANGE__REF:

				fireNotifyChanged(new ViewerNotification(notification, notification

						.getNotifier(), false, true));

				return;	

		}

		super.notifyChanged(notification);

	}

}