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/*******************************************************************************
* 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.xsd.ui.internal.actions;
import java.util.Iterator;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.actions.SelectionListenerAction;
import org.eclipse.wst.xml.core.internal.document.DocumentImpl;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
import org.eclipse.wst.xsd.ui.internal.XSDEditorPlugin;
import org.eclipse.wst.xsd.ui.internal.refactor.delete.BaseGlobalCleanup;
import org.eclipse.wst.xsd.ui.internal.refactor.delete.GlobalAttributeCleanup;
import org.eclipse.wst.xsd.ui.internal.refactor.delete.GlobalAttributeGroupCleanup;
import org.eclipse.wst.xsd.ui.internal.refactor.delete.GlobalElementCleanup;
import org.eclipse.wst.xsd.ui.internal.refactor.delete.GlobalGroupCleanup;
import org.eclipse.wst.xsd.ui.internal.refactor.delete.GlobalSimpleOrComplexTypeCleanup;
import org.eclipse.wst.xsd.ui.internal.refactor.delete.XSDExternalFileCleanup;
import org.eclipse.wst.xsd.ui.internal.util.TypesHelper;
import org.eclipse.wst.xsd.ui.internal.util.XSDDOMHelper;
import org.eclipse.xsd.XSDAttributeDeclaration;
import org.eclipse.xsd.XSDAttributeGroupDefinition;
import org.eclipse.xsd.XSDConcreteComponent;
import org.eclipse.xsd.XSDElementDeclaration;
import org.eclipse.xsd.XSDImport;
import org.eclipse.xsd.XSDInclude;
import org.eclipse.xsd.XSDModelGroupDefinition;
import org.eclipse.xsd.XSDParticle;
import org.eclipse.xsd.XSDRedefine;
import org.eclipse.xsd.XSDSchema;
import org.eclipse.xsd.XSDTypeDefinition;
import org.eclipse.xsd.util.XSDConstants;
import org.w3c.dom.Node;
public class DeleteAction extends SelectionListenerAction
{
protected IEditorPart editor;
protected XSDSchema xsdSchema;
protected ISelectionProvider selectionProvider;
protected XSDConcreteComponent parentXSDComponent;
/**
* Constructor for DeleteAction.
* @param text
*/
public DeleteAction(String text, IEditorPart editor, XSDSchema xsdSchema)
{
super(text);
this.editor = editor;
this.xsdSchema = xsdSchema;
}
public void setSelectionProvider(ISelectionProvider selectionProvider)
{
this.selectionProvider = selectionProvider;
}
public IEditorPart getEditor()
{
return editor;
}
public XSDSchema getSchema()
{
return xsdSchema;
}
public void setXSDSchema(XSDSchema xsdSchema)
{
this.xsdSchema = xsdSchema;
}
/*
* @see IAction#run()
*/
public void run()
{
IStructuredSelection selection = getStructuredSelection();
if (selection.isEmpty())
{
return;
}
Iterator iter = selection.iterator();
DocumentImpl doc = null;
while (iter.hasNext())
{
Object obj = iter.next();
Node node = null;
if (obj instanceof Node)
{
node = (Node)obj;
}
else if (obj instanceof XSDConcreteComponent)
{
xsdSchema = ((XSDConcreteComponent)obj).getSchema();
node = ((XSDConcreteComponent)obj).getElement();
if (node instanceof IDOMNode)
{
parentXSDComponent = ((XSDConcreteComponent)obj).getContainer();
if (parentXSDComponent instanceof XSDParticle)
{
// need to get the modelGroup
parentXSDComponent = parentXSDComponent.getContainer();
}
}
}
if (!XSDDOMHelper.inputEquals(node, XSDConstants.SCHEMA_ELEMENT_TAG, false))
{
if (node instanceof IDOMNode)
{
if (doc == null)
{
doc = (DocumentImpl) node.getOwnerDocument();
doc.getModel().beginRecording(this, XSDEditorPlugin.getXSDString("_UI_ACTION_DELETE_NODES"));
}
boolean refresh = cleanupReferences(node);
if (node != null)
{
XSDDOMHelper.removeNodeAndWhitespace(node);
}
// Workaround to reset included elements in XSD model
if (refresh)
{
// getEditor().reparseSchema();
// getEditor().getGraphViewer().setSchema(getEditor().getXSDSchema());
}
}
}
}
if (parentXSDComponent != null && selectionProvider != null)
{
selectionProvider.setSelection(new StructuredSelection(parentXSDComponent));
}
if (doc != null)
{
doc.getModel().endRecording(this);
}
}
protected boolean cleanupReferences(Node deletedNode)
{
boolean refresh = false;
XSDConcreteComponent comp = getSchema().getCorrespondingComponent(deletedNode);
if (comp instanceof XSDInclude ||
comp instanceof XSDImport ||
comp instanceof XSDRedefine)
{
XSDSchema referencedSchema = null;
if (comp instanceof XSDInclude)
{
referencedSchema = ((XSDInclude)comp).getIncorporatedSchema();
refresh = true;
}
else if (comp instanceof XSDRedefine)
{
referencedSchema = ((XSDRedefine)comp).getIncorporatedSchema();
refresh = true;
}
else if (comp instanceof XSDImport)
{
referencedSchema = ((XSDImport)comp).getResolvedSchema();
refresh = true;
}
if (referencedSchema != null)
{
XSDExternalFileCleanup cleanHelper = new XSDExternalFileCleanup(referencedSchema);
cleanHelper.visitSchema(getSchema());
// populate messages
// TODO getEditor().createTasksInTaskList(cleanHelper.getMessages());
}
if (comp instanceof XSDImport)
{
TypesHelper typesHelper = new TypesHelper(getSchema());
typesHelper.updateMapAfterDelete((XSDImport)comp);
}
}
else if (getSchema().equals(comp.getContainer()))
{
BaseGlobalCleanup cleanHelper = null;
// Only need to clean up references if the component being deleted is global scoped
if (comp instanceof XSDElementDeclaration)
{
cleanHelper = new GlobalElementCleanup(comp);
}
else if (comp instanceof XSDModelGroupDefinition)
{
cleanHelper = new GlobalGroupCleanup(comp);
}
else if (comp instanceof XSDTypeDefinition)
{
cleanHelper = new GlobalSimpleOrComplexTypeCleanup(comp);
}
else if (comp instanceof XSDAttributeDeclaration)
{
cleanHelper = new GlobalAttributeCleanup(comp);
}
else if (comp instanceof XSDAttributeGroupDefinition)
{
cleanHelper = new GlobalAttributeGroupCleanup(comp);
}
if (cleanHelper != null)
{
cleanHelper.visitSchema(getSchema());
}
}
return refresh;
}
}
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