/*******************************************************************************
 * Copyright (c) 2006, 2010 Oracle. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0, which accompanies this distribution
 * and is available at http://www.eclipse.org/legal/epl-v10.html.
 * 
 * Contributors:
 *     Oracle - initial API and implementation
 ******************************************************************************/

package org.eclipse.jpt.jpa.core.resource.persistence;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.jdt.core.IType;
import org.eclipse.jpt.common.core.internal.utility.translators.SimpleTranslator;
import org.eclipse.jpt.jpa.core.resource.xml.AbstractJpaEObject;
import org.eclipse.jpt.jpa.core.resource.xml.JpaEObject;
import org.eclipse.text.edits.ReplaceEdit;
import org.eclipse.wst.common.internal.emf.resource.Translator;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>XmlProperty</b></em>'.
 * 
 * Provisional API: This interface is part of an interim API that is still
 * under development and expected to change significantly before reaching
 * stability. It is available at this early stage to solicit feedback from
 * pioneering adopters on the understanding that any code that uses this API
 * will almost certainly be broken (repeatedly) as the API evolves.
 * <!-- end-user-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link org.eclipse.jpt.jpa.core.resource.persistence.XmlProperty#getName <em>Name</em>}</li>
 *   <li>{@link org.eclipse.jpt.jpa.core.resource.persistence.XmlProperty#getValue <em>Value</em>}</li>
 * </ul>
 * </p>
 *
 * @see org.eclipse.jpt.jpa.core.resource.persistence.PersistencePackage#getXmlProperty()
 * @model kind="class"
 * @extends JpaEObject
 * @generated
 */
public class XmlProperty extends AbstractJpaEObject implements JpaEObject
{
	/**
	 * The default value of the '{@link #getName() <em>Name</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getName()
	 * @generated
	 * @ordered
	 */
	protected static final String NAME_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getName()
	 * @generated
	 * @ordered
	 */
	protected String name = NAME_EDEFAULT;

	/**
	 * The default value of the '{@link #getValue() <em>Value</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getValue()
	 * @generated
	 * @ordered
	 */
	protected static final String VALUE_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getValue() <em>Value</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getValue()
	 * @generated
	 * @ordered
	 */
	protected String value = VALUE_EDEFAULT;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected XmlProperty()
	{
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass()
	{
		return PersistencePackage.Literals.XML_PROPERTY;
	}

	/**
	 * Returns the value of the '<em><b>Name</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Name</em>' attribute.
	 * @see #setName(String)
	 * @see org.eclipse.jpt.jpa.core.resource.persistence.PersistencePackage#getXmlProperty_Name()
	 * @model unique="false" dataType="org.eclipse.emf.ecore.xml.type.String" required="true"
	 * @generated
	 */
	public String getName()
	{
		return name;
	}

	/**
	 * Sets the value of the '{@link org.eclipse.jpt.jpa.core.resource.persistence.XmlProperty#getName <em>Name</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Name</em>' attribute.
	 * @see #getName()
	 * @generated
	 */
	public void setName(String newName)
	{
		String oldName = name;
		name = newName;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, PersistencePackage.XML_PROPERTY__NAME, oldName, name));
	}

	/**
	 * Returns the value of the '<em><b>Value</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value</em>' attribute isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value</em>' attribute.
	 * @see #setValue(String)
	 * @see org.eclipse.jpt.jpa.core.resource.persistence.PersistencePackage#getXmlProperty_Value()
	 * @model unique="false" dataType="org.eclipse.emf.ecore.xml.type.String" required="true"
	 * @generated
	 */
	public String getValue()
	{
		return value;
	}

	/**
	 * Sets the value of the '{@link org.eclipse.jpt.jpa.core.resource.persistence.XmlProperty#getValue <em>Value</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value</em>' attribute.
	 * @see #getValue()
	 * @generated
	 */
	public void setValue(String newValue)
	{
		String oldValue = value;
		value = newValue;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, PersistencePackage.XML_PROPERTY__VALUE, oldValue, value));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType)
	{
		switch (featureID)
		{
			case PersistencePackage.XML_PROPERTY__NAME:
				return getName();
			case PersistencePackage.XML_PROPERTY__VALUE:
				return getValue();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue)
	{
		switch (featureID)
		{
			case PersistencePackage.XML_PROPERTY__NAME:
				setName((String)newValue);
				return;
			case PersistencePackage.XML_PROPERTY__VALUE:
				setValue((String)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID)
	{
		switch (featureID)
		{
			case PersistencePackage.XML_PROPERTY__NAME:
				setName(NAME_EDEFAULT);
				return;
			case PersistencePackage.XML_PROPERTY__VALUE:
				setValue(VALUE_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID)
	{
		switch (featureID)
		{
			case PersistencePackage.XML_PROPERTY__NAME:
				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
			case PersistencePackage.XML_PROPERTY__VALUE:
				return VALUE_EDEFAULT == null ? value != null : !VALUE_EDEFAULT.equals(value);
		}
		return super.eIsSet(featureID);
	}

	
	@Override
	public String toString()
	{
		if (eIsProxy()) return super.toString();

		StringBuilder result = new StringBuilder(super.toString());
		result.append(" (name: ");
		result.append(name);
		result.append(", value: ");
		result.append(value);
		result.append(')');
		return result.toString();
	}


	// ********** translators **********

	public static Translator buildTranslator(String elementName, EStructuralFeature structuralFeature) {
		return new SimpleTranslator(
				elementName,
				structuralFeature,
				Translator.END_TAG_NO_INDENT,
				buildTranslatorChildren()
			);
	}

	private static Translator[] buildTranslatorChildren() {
		return new Translator[] {
				buildNameTranslator(),
				buildValueTranslator()
			};
	}

	private static Translator buildNameTranslator() {
		return new Translator(
				JPA.PROPERTY__NAME,
				PersistencePackage.eINSTANCE.getXmlProperty_Name(),
				Translator.DOM_ATTRIBUTE
			);
	}

	private static Translator buildValueTranslator() {
		return new Translator(
				JPA.PROPERTY__VALUE,
				PersistencePackage.eINSTANCE.getXmlProperty_Value(),
				Translator.DOM_ATTRIBUTE
			);
	}

	public ReplaceEdit createRenameTypeEdit(IType originalType, String newName) {
		String originalName = originalType.getElementName();
		int nameIndex = originalType.getFullyQualifiedName('.').lastIndexOf(originalName);

		int offset = getAttributeNode(JPA.PROPERTY__VALUE).getValueRegionStartOffset() + 1;
		return new ReplaceEdit(offset + nameIndex, originalName.length(), newName);
	}

	public ReplaceEdit createRenamePackageEdit(String newName) {
		int packageLength = this.value.lastIndexOf('.');

		int offset = getAttributeNode(JPA.PROPERTY__VALUE).getValueRegionStartOffset() + 1;
		return new ReplaceEdit(offset, packageLength, newName);
	}

}