Examples with CollectingSearchRequestor org.eclipse.wst.common.core.search.util.CollectingSearchRequestor used on opensource projects

Example 1 with CollectingSearchRequestor

use of org.eclipse.wst.common.core.search.util.CollectingSearchRequestor in project webtools.sourceediting by eclipse.

the class RenameComponentProcessor method addDeclarationUpdate.

final void addDeclarationUpdate(TextChangeManager manager, IFile file) throws CoreException {
    String componentName = selectedComponent.getName();
    String componentNamespace = selectedComponent.getNamespaceURI();
    QualifiedName elementQName = new QualifiedName(componentNamespace, componentName);
    QualifiedName typeQName = selectedComponent.getTypeQName();
    SearchScope scope = new WorkspaceSearchScope();
    if (file != null) {
        scope = new SelectionSearchScope(new IResource[] { file });
    }
    CollectingSearchRequestor requestor = new CollectingSearchRequestor();
    SearchPattern pattern = new XMLComponentDeclarationPattern(file, elementQName, typeQName);
    SearchEngine searchEngine = new SearchEngine();
    HashMap map = new HashMap();
    if (singleFileOnly) {
        map.put("searchDirtyContent", Boolean.TRUE);
    }
    searchEngine.search(pattern, requestor, scope, map, new NullProgressMonitor());
    List results = requestor.getResults();
    // more than one declaration found, so use offset as additional check
    Position offsetPosition = null;
    if (results.size() > 1) {
        IDOMElement selectedElement = selectedComponent.getElement();
        if (selectedElement != null) {
            int startOffset = selectedElement.getStartOffset();
            offsetPosition = new Position(startOffset, (selectedElement.getEndOffset() - startOffset));
        }
    }
    for (Iterator iter = results.iterator(); iter.hasNext(); ) {
        SearchMatch match = (SearchMatch) iter.next();
        if (match != null) {
            boolean addTextChange = true;
            // additional check to verify correct declaration is changed
            if (offsetPosition != null) {
                addTextChange = offsetPosition.overlapsWith(match.getOffset(), match.getLength());
            }
            if (addTextChange) {
                TextChange textChange = manager.get(match.getFile());
                String newName = getNewElementName();
                newName = quoteString(newName);
                ReplaceEdit replaceEdit = new ReplaceEdit(match.getOffset(), match.getLength(), newName);
                String editName = RefactoringMessages.getString("RenameComponentProcessor.Component_Refactoring_update_declatation");
                TextChangeCompatibility.addTextEdit(textChange, editName, replaceEdit);
            }
        }
    }
}