/*******************************************************************************
 * Copyright (c) 2001, 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.wsdl.ui.internal.viewers.widgets;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.eclipse.ui.views.properties.IPropertySource;
import org.eclipse.ui.views.properties.PropertyDescriptor;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;

public class ReadOnlyPropertySource implements IPropertySource
{
    protected Element element;

    public ReadOnlyPropertySource(IEditorPart editPart, Element element)
    {
        this.element = element;
    }

    public Object getEditableValue()
    {
        return null;
    }

    public IPropertyDescriptor[] getPropertyDescriptors()
    {
        List list = new ArrayList();
        NamedNodeMap map = element.getAttributes();
        int mapLength = map.getLength();
        for (int i = 0; i < mapLength; i++)
        {
            Attr attr = (Attr) map.item(i);
            list.add(new PropertyDescriptor(attr.getName(), attr.getName()));
        }
        IPropertyDescriptor[] result = new IPropertyDescriptor[list.size()];
        list.toArray(result);
        return result;
    }

    public Object getPropertyValue(Object id)
    {
        Object result = null;
        if (id instanceof String)
        {
            result = element.getAttribute((String) id);
        }
        return result != null ? result : "";
    }

    public boolean isPropertySet(Object id)
    {
        return false;
    }

    public void resetPropertyValue(Object id)
    {
    }

    public void setPropertyValue(Object id, Object value)
    {
    }
}