/*******************************************************************************
* Copyright (c) 2005, 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.jst.jsp.ui.internal.java.search;
import org.eclipse.core.resources.IFile;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jst.jsp.core.internal.java.IJSPTranslation;
import org.eclipse.jst.jsp.core.internal.java.JSPTranslation;
import org.eclipse.jst.jsp.core.internal.java.JSPTranslationAdapter;
import org.eclipse.jst.jsp.core.internal.regions.DOMJSPRegionContexts;
import org.eclipse.jst.jsp.core.text.IJSPPartitions;
import org.eclipse.search.ui.ISearchQuery;
import org.eclipse.search.ui.NewSearchUI;
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.core.internal.provisional.text.IStructuredDocumentRegion;
import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;
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 {
public boolean findOccurrences(IDocument document, ITextSelection textSelection, IFile file) {
boolean findOccurrences = false;
// determine if action should be enabled or not
if (document instanceof IStructuredDocument) {
IStructuredDocument structuredDocument = (IStructuredDocument) document;
IStructuredDocumentRegion sdRegion = structuredDocument.getRegionAtCharacterOffset(textSelection.getOffset());
if (sdRegion != null) {
ITextRegion r = sdRegion.getRegionAtCharacterOffset(textSelection.getOffset());
if (r != null) {
String type = r.getType();
if (enabledForRegionType(type)) {
String matchText = sdRegion.getText(r);
if (matchText != null && type != null) {
JSPSearchQuery searchQuery = (JSPSearchQuery) getSearchQuery(file, structuredDocument, matchText, type, textSelection);
findOccurrences = true;
if (searchQuery != null) {
if(searchQuery.getSearchText() == null || searchQuery.getSearchText().length() == 0)
findOccurrences = false;
else
{
// first of all activate the view
NewSearchUI.activateSearchResultView();
if (searchQuery.canRunInBackground())
NewSearchUI.runQueryInBackground(searchQuery);
else
NewSearchUI.runQueryInForeground(null, searchQuery);
}
}
}
}
}
}
}
return findOccurrences;
}
protected String[] getPartitionTypes() {
return new String[]{IJSPPartitions.JSP_DEFAULT, IJSPPartitions.JSP_CONTENT_JAVA};
}
protected String[] getRegionTypes() {
return new String[]{DOMRegionContext.BLOCK_TEXT, DOMJSPRegionContexts.JSP_CONTENT};
}
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;
}
}