/*****************************************************************************
 * Copyright (c) 2004 IBM Corporation and others. 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: IBM Corporation - initial API and implementation
 ****************************************************************************/
package org.eclipse.wst.xml.ui.internal.tabletree;

import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.eclipse.ui.views.properties.TextPropertyDescriptor;
import org.eclipse.wst.xml.core.internal.contentmodel.CMAttributeDeclaration;
import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.ModelQuery;
import org.eclipse.wst.xml.core.internal.modelquery.ModelQueryUtil;
import org.eclipse.wst.xml.ui.internal.properties.EnumeratedStringPropertyDescriptor;
import org.w3c.dom.Attr;
import org.w3c.dom.CDATASection;
import org.w3c.dom.Comment;
import org.w3c.dom.DocumentType;
import org.w3c.dom.Element;
import org.w3c.dom.EntityReference;
import org.w3c.dom.Node;
import org.w3c.dom.ProcessingInstruction;
import org.w3c.dom.Text;


public class DOMPropertyDescriptorFactory {

	protected static final String HACK = "hack"; //$NON-NLS-1$

	public DOMPropertyDescriptorFactory() {
	}

	public IPropertyDescriptor createAttributePropertyDescriptor(Attr attr) {
		IPropertyDescriptor result = null;

		String attributeName = attr.getName();

		ModelQuery mq = ModelQueryUtil.getModelQuery(attr.getOwnerDocument());

		if (mq != null) {
			CMAttributeDeclaration ad = mq.getCMAttributeDeclaration(attr);
			if (ad != null) {
				String[] valuesArray = mq.getPossibleDataTypeValues(attr.getOwnerElement(), ad);
				if ((valuesArray != null) && (valuesArray.length > 0)) {
					result = new EnumeratedStringPropertyDescriptor(attributeName, attributeName, valuesArray);
				}
			}
		}

		if (result == null) {
			result = createDefaultPropertyDescriptor(attributeName);
		}
		return result;
	}

	public IPropertyDescriptor createCDATASectionPropertyDescriptor(CDATASection cdataSection) {
		return createDefaultPropertyDescriptor(HACK);
	}

	public IPropertyDescriptor createCommentPropertyDescriptor(Comment comment) {
		return createDefaultPropertyDescriptor(HACK);
	}

	protected IPropertyDescriptor createDefaultPropertyDescriptor(String attributeName) {
		TextPropertyDescriptor descriptor = new TextPropertyDescriptor(attributeName, attributeName);
		return descriptor;
	}

	public IPropertyDescriptor createDocumentTypePropertyDescriptor(DocumentType documentType) {
		return null; // new TextPropertyDescriptor(HACK, HACK);
	}

	public IPropertyDescriptor createElementPropertyDescriptor(Element element) {
		return createDefaultPropertyDescriptor(HACK);
	}

	public IPropertyDescriptor createEntityReferencePropertyDescriptor(EntityReference entityReference) {
		return createDefaultPropertyDescriptor(HACK);
	}

	public IPropertyDescriptor createProcessingInstructionPropertyDescriptor(ProcessingInstruction pi) {
		return createDefaultPropertyDescriptor(HACK);
	}

	public IPropertyDescriptor createPropertyDescriptor(Object object) {
		IPropertyDescriptor result = null;
		if (object instanceof Node) {
			Node node = (Node) object;
			int nodeType = node.getNodeType();
			switch (nodeType) {
				case Node.ATTRIBUTE_NODE : {
					result = createAttributePropertyDescriptor((Attr) node);
					break;
				}
				case Node.CDATA_SECTION_NODE : {
					result = createCDATASectionPropertyDescriptor((CDATASection) node);
					break;
				}
				case Node.COMMENT_NODE : {
					result = createCommentPropertyDescriptor((Comment) node);
					break;
				}
				case Node.DOCUMENT_TYPE_NODE : {
					result = createDocumentTypePropertyDescriptor((DocumentType) node);
					break;
				}
				case Node.ELEMENT_NODE : {
					result = createElementPropertyDescriptor((Element) node);
					break;
				}
				case Node.ENTITY_REFERENCE_NODE : {
					result = createEntityReferencePropertyDescriptor((EntityReference) node);
					break;
				}
				case Node.PROCESSING_INSTRUCTION_NODE : {
					result = createProcessingInstructionPropertyDescriptor((ProcessingInstruction) node);
					break;
				}
				case Node.TEXT_NODE : {
					result = createTextPropertyDescriptor((Text) node);
					break;
				}
			}
		}
		return result;
	}

	public IPropertyDescriptor createTextPropertyDescriptor(Text text) {
		return createDefaultPropertyDescriptor(HACK);
	}
}