/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.utils;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jst.jsf.common.metadata.query.ITaglibDomainMetaDataModelContext;
import org.eclipse.jst.jsf.common.metadata.query.TaglibDomainMetaDataQueryHelper;
import org.eclipse.jst.jsf.common.ui.internal.logging.Logger;
import org.eclipse.jst.jsf.context.resolver.structureddocument.IStructuredDocumentContextResolverFactory;
import org.eclipse.jst.jsf.context.resolver.structureddocument.IWorkspaceContextResolver;
import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContext;
import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContextFactory;
import org.eclipse.jst.pagedesigner.PDPlugin;
import org.eclipse.jst.pagedesigner.dom.IDOMPosition;
import org.eclipse.jst.pagedesigner.editors.palette.IDropSourceData;
import org.eclipse.jst.pagedesigner.editors.palette.ITagDropSourceData;
import org.eclipse.jst.pagedesigner.itemcreation.CreationData;
import org.eclipse.jst.pagedesigner.itemcreation.ITagCreator;
import org.eclipse.jst.pagedesigner.itemcreation.internal.TagCreationFactory;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
import org.w3c.dom.Element;
/**
* @author mengbo
* @version 1.5
*/
public class CommandUtil
{
private static final Logger _log = PDPlugin.getLogger(CommandUtil.class);
/**
* @param dropSourceData
* @param model
* @param domPosition
* @param customizationData
* @return the element inserted or null if failed
*/
public static Element executeInsertion(
final IDropSourceData dropSourceData, final IDOMModel model,
final IDOMPosition domPosition, final IAdaptable customizationData)
{
try
{
final ITaglibDomainMetaDataModelContext modelContext = getMetadataContext(
dropSourceData.getNamespace(), model);
ITagDropSourceData tagDropSourceData = null;
if (dropSourceData instanceof ITagDropSourceData)
{
tagDropSourceData = (ITagDropSourceData) dropSourceData;
} else if (customizationData != null)
{
tagDropSourceData = (ITagDropSourceData) customizationData
.getAdapter(ITagDropSourceData.class);
}
if (tagDropSourceData == null)
{
PDPlugin
.log(
"Could not down cast dropSourceData to tagDropSourceData", new Exception("for stack trace only")); //$NON-NLS-1$//$NON-NLS-2$
}
// TODO: note that the constructor currently causes the prefix defn
// to be added to the target doc. This should be moved into
// an ensure method in the AbstractTagCreator
final CreationData creationData = new CreationData(
tagDropSourceData, model, domPosition, modelContext,
customizationData);
final ITagCreator tagCreator = TagCreationFactory.getInstance()
.createTagCreator(creationData.getTagId());
if (tagCreator == null)
{
return null;// should never get here!
}
return tagCreator.createTag(creationData);
} catch (Exception e)
{
_log
.error(
"Problem creating tag " + dropSourceData.getId() + " at:" + domPosition + "\n", e); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
return null;
}
/**
* @param uri
* @param model
* @return the metadata context for uri in the DOM model or null if none.
*/
public static ITaglibDomainMetaDataModelContext getMetadataContext(
final String uri, final IDOMModel model)
{
final IStructuredDocument doc = model.getDocument()
.getStructuredDocument();
final IStructuredDocumentContext context = IStructuredDocumentContextFactory.INSTANCE
.getContext(doc, -1);
final IWorkspaceContextResolver resolver = IStructuredDocumentContextResolverFactory.INSTANCE
.getWorkspaceContextResolver(context);
final IProject project = resolver.getProject();
final ITaglibDomainMetaDataModelContext modelContext = TaglibDomainMetaDataQueryHelper
.createMetaDataModelContext(project, uri);
return modelContext;
}
}