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/*******************************************************************************
* Copyright (c) 2001, 2006 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.xsd.ui.internal.adapters;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.wst.xml.core.internal.document.ElementImpl;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
import org.eclipse.wst.xsd.ui.internal.adt.facade.IADTObject;
import org.eclipse.wst.xsd.ui.internal.adt.facade.IADTObjectListener;
import org.eclipse.wst.xsd.ui.internal.adt.facade.IComplexType;
import org.eclipse.wst.xsd.ui.internal.adt.outline.ITreeElement;
import org.eclipse.xsd.XSDComplexTypeDefinition;
import org.eclipse.xsd.XSDConcreteComponent;
import org.eclipse.xsd.XSDSchema;
import org.w3c.dom.Element;
public class XSDBaseAdapter extends AdapterImpl implements IADTObject, ITreeElement
{
protected List listenerList = new ArrayList();
public boolean isAdapterForType(Object type)
{
return type == XSDAdapterFactory.getInstance();
}
public void populateAdapterList(List notifierList, List adapterList)
{
for (Iterator i = notifierList.iterator(); i.hasNext(); )
{
Object obj = i.next();
if (obj instanceof XSDConcreteComponent)
{
XSDConcreteComponent component = (XSDConcreteComponent)obj;
adapterList.add(XSDAdapterFactory.getInstance().adapt(component));
}
else
{
adapterList.add(obj);
}
}
}
public void registerListener(IADTObjectListener listener)
{
if (!listenerList.contains(listener))
{
listenerList.add(listener);
}
}
public void unregisterListener(IADTObjectListener listener)
{
listenerList.remove(listener);
}
public void notifyChanged(Notification msg)
{
super.notifyChanged(msg);
notifyListeners(this, null);
}
protected void notifyListeners(Object changedObject, String property)
{
List clonedListenerList = new ArrayList();
clonedListenerList.addAll(listenerList);
for (Iterator i = clonedListenerList.iterator(); i.hasNext(); )
{
IADTObjectListener listener = (IADTObjectListener)i.next();
listener.propertyChanged(this, property);
}
}
public ITreeElement[] getChildren()
{
return null;
}
public Image getImage()
{
return null;
}
public String getText()
{
return ""; //$NON-NLS-1$
}
public ITreeElement getParent()
{
return null;
}
public boolean hasChildren()
{
if (getChildren() != null)
{
return getChildren().length > 0;
}
return false;
}
/**
* Implements IField getContainerType. Get parent Complex Type containing the field
* @return IComplexType
*/
public IComplexType getContainerType()
{
XSDConcreteComponent xsdConcreteComponent = (XSDConcreteComponent) target;
XSDConcreteComponent parent = null;
XSDComplexTypeDefinition ct = null;
for (parent = xsdConcreteComponent.getContainer(); parent != null; )
{
if (parent instanceof XSDComplexTypeDefinition)
{
ct = (XSDComplexTypeDefinition)parent;
break;
}
parent = parent.getContainer();
}
if (ct != null)
{
return (IComplexType)XSDAdapterFactory.getInstance().adapt(ct);
}
return null;
}
public boolean isReadOnly()
{
XSDSchema xsdSchema = null;
try
{
IEditorPart editorPart = null;
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window != null)
{
IWorkbenchPage page = window.getActivePage();
if (page != null)
{
editorPart = page.getActiveEditor();
}
}
if (target instanceof XSDConcreteComponent)
{
xsdSchema = ((XSDConcreteComponent)target).getSchema();
}
if (editorPart == null)
{
return fallBackCheckIsReadOnly();
}
XSDSchema editorSchema = (XSDSchema)editorPart.getAdapter(XSDSchema.class);
if (xsdSchema != null && xsdSchema == editorSchema)
{
return false;
}
else
{
return fallBackCheckIsReadOnly();
}
}
catch(Exception e)
{
}
return true;
}
private boolean fallBackCheckIsReadOnly()
{
Element element = ((XSDConcreteComponent)target).getElement();
if (element instanceof IDOMNode
|| element instanceof ElementImpl)
{
return false;
}
return true;
}
}
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