/*******************************************************************************
 * Copyright (c) 2009, 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.core.resources.IFolder;
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.jpt.common.core.internal.utility.translators.SimpleTranslator;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.utility.internal.StringTools;
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;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Xml Jar File Ref</b></em>'.
 * <!-- end-user-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link org.eclipse.jpt.jpa.core.resource.persistence.XmlJarFileRef#getFileName <em>File Name</em>}</li>
 * </ul>
 * </p>
 *
 * @see org.eclipse.jpt.jpa.core.resource.persistence.PersistencePackage#getXmlJarFileRef()
 * @model kind="class"
 * @extends JpaEObject
 * @generated
 */
public class XmlJarFileRef extends AbstractJpaEObject implements JpaEObject
{
	/**
	 * The default value of the '{@link #getFileName() <em>File Name</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFileName()
	 * @generated
	 * @ordered
	 */
	protected static final String FILE_NAME_EDEFAULT = "";

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

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

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

	/**
	 * Returns the value of the '<em><b>File Name</b></em>' attribute.
	 * The default value is <code>""</code>.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>File 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>File Name</em>' attribute.
	 * @see #setFileName(String)
	 * @see org.eclipse.jpt.jpa.core.resource.persistence.PersistencePackage#getXmlJarFileRef_FileName()
	 * @model default="" unique="false" ordered="false"
	 * @generated
	 */
	public String getFileName()
	{
		return fileName;
	}

	/**
	 * Sets the value of the '{@link org.eclipse.jpt.jpa.core.resource.persistence.XmlJarFileRef#getFileName <em>File Name</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>File Name</em>' attribute.
	 * @see #getFileName()
	 * @generated
	 */
	public void setFileName(String newFileName)
	{
		String oldFileName = fileName;
		fileName = newFileName;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, PersistencePackage.XML_JAR_FILE_REF__FILE_NAME, oldFileName, fileName));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType)
	{
		switch (featureID)
		{
			case PersistencePackage.XML_JAR_FILE_REF__FILE_NAME:
				return getFileName();
		}
		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_JAR_FILE_REF__FILE_NAME:
				setFileName((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_JAR_FILE_REF__FILE_NAME:
				setFileName(FILE_NAME_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID)
	{
		switch (featureID)
		{
			case PersistencePackage.XML_JAR_FILE_REF__FILE_NAME:
				return FILE_NAME_EDEFAULT == null ? fileName != null : !FILE_NAME_EDEFAULT.equals(fileName);
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String toString()
	{
		if (eIsProxy()) return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (fileName: ");
		result.append(fileName);
		result.append(')');
		return result.toString();
	}
	
	@Override
	public TextRange getValidationTextRange() {
		return (! StringTools.stringIsEmpty(this.fileName)) ?
			getTextTextRange() :
			super.getValidationTextRange();
	}


	// ********** 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[] {
				buildFileNameTranslator(),
			};
	}

	private static Translator buildFileNameTranslator() {
		return new Translator(
				Translator.TEXT_ATTRIBUTE_VALUE,
				PersistencePackage.eINSTANCE.getXmlJarFileRef_FileName()
			);
	}


	// *********** refactoring ***********

	public ReplaceEdit createReplaceFolderEdit(IFolder originalFolder, String newName) {
		IDOMNode domNode = getTextNode();
		String originalName = originalFolder.getName();
		int nameIndex = this.fileName.indexOf(originalName);

		int offset = domNode.getStartOffset();
		return new ReplaceEdit(offset + nameIndex, originalName.length(), newName);
	}
}