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/*******************************************************************************
* Copyright (c) 2005 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.jsdt.web.ui.internal.java.search;
import org.eclipse.core.resources.IFile;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.search.ui.ISearchQuery;
import org.eclipse.wst.jsdt.core.IJavaElement;
import org.eclipse.wst.jsdt.web.core.internal.java.IJSPTranslation;
import org.eclipse.wst.jsdt.web.core.internal.java.JSPTranslation;
import org.eclipse.wst.jsdt.web.core.internal.java.JSPTranslationAdapter;
import org.eclipse.wst.jsdt.web.core.text.IJSPPartitions;
import org.eclipse.wst.sse.core.StructuredModelManager;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
import org.eclipse.wst.sse.ui.internal.search.FindOccurrencesProcessor;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext;
/**
* Configures a FindOccurrencesProcessor with JSP partitions and regions
*/
public class JSPFindOccurrencesProcessor extends FindOccurrencesProcessor {
@Override
protected String[] getPartitionTypes() {
return new String[] { IJSPPartitions.JSP_DEFAULT,
IJSPPartitions.JSP_CONTENT_JAVA };
}
@Override
protected String[] getRegionTypes() {
return new String[] { DOMRegionContext.BLOCK_TEXT };
}
@Override
protected ISearchQuery getSearchQuery(IFile file,
IStructuredDocument document, String regionText, String regionType,
ITextSelection textSelection) {
return new JSPSearchQuery(file, getJavaElement(document, textSelection));
}
private IJavaElement getJavaElement(IDocument document,
ITextSelection textSelection) {
IJavaElement[] elements = getJavaElementsForCurrentSelection(document,
textSelection);
return elements.length > 0 ? elements[0] : null;
}
/**
* uses JSPTranslation to get currently selected Java elements.
*
* @return currently selected IJavaElements
*/
private IJavaElement[] getJavaElementsForCurrentSelection(
IDocument document, ITextSelection selection) {
IJavaElement[] elements = new IJavaElement[0];
// get JSP translation object for this viewer's document
IStructuredModel model = StructuredModelManager.getModelManager()
.getExistingModelForRead(document);
try {
if (model != null && model instanceof IDOMModel) {
IDOMDocument xmlDoc = ((IDOMModel) model).getDocument();
JSPTranslationAdapter adapter = (JSPTranslationAdapter) xmlDoc
.getAdapterFor(IJSPTranslation.class);
if (adapter != null) {
JSPTranslation translation = adapter.getJSPTranslation();
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=102211
elements = translation.getElementsFromJspRange(selection
.getOffset(), selection.getOffset()
+ selection.getLength());
}
}
} finally {
if (model != null) {
model.releaseFromRead();
}
}
return elements;
}
}
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