/**
* Collects all identifiers which are affected by the renaming of this component, grouped by the
* file, which defines them.
*
* @param pm
* @return
* @throws CoreException
* @throws MissingNatureException
* @throws IOException
*/
private Map<IFile, Collection<Identifier>> gatherAffectedIdentifiers(IProgressMonitor pm)
throws CoreException, MissingNatureException, IOException {
Map<IFile, Collection<Identifier>> files2Identifiers =
new HashMap<IFile, Collection<Identifier>>();
// Add Identifier of component definition
declaringIdentifier = getIdentifierForPath(componentDefinition.getPath(), pm);
List<Identifier> identifiers = new LinkedList<Identifier>();
identifiers.add(declaringIdentifier);
files2Identifiers.put(declaringFile, identifiers);
// Add Identifiers of referencing elements
Collection<IASTModelPath> paths = new LinkedList<IASTModelPath>();
paths.add(componentDefinition.getPath());
for (IFile file : getAllFiles()) {
identifiers = getReferencingIdentifiersInFileForTargetPathsUseHoleRange(file, paths, pm);
identifiers = throwAwayDifferentNames(identifiers, declaringIdentifier.getName());
if (identifiers.size() > 0) {
AstAnalyzerFactory factory = new AstAnalyzerFactory(identifiers.get(0));
List<Identifier> toRename = new LinkedList<Identifier>();
for (Identifier identifier : identifiers) {
ComponentSelectionIdentifier selection =
new ComponentSelectionIdentifier(identifier, factory);
if (selection.isComponent()) {
toRename.add(identifier);
}
}
files2Identifiers.put(file, toRename);
}
}
return files2Identifiers;
}
@Override
public RefactoringStatus initializeRefactoring(IProgressMonitor pm) {
RefactoringStatus ret = new RefactoringStatus();
ProjectUtil projectUtil = getProjectUtil();
try {
if (!isApplicable()) {
ret.addFatalError("The Refactoring is no Accessable");
}
if (!findComponentDefinition(ret)) {
return ret;
}
declaringFile = getIFile4ParseFile(componentDefinition.getParseFile());
affectedIdentifiers = gatherAffectedIdentifiers(pm);
} catch (Exception e) {
ret.addFatalError("Exception during initialization. See project log for more information.");
projectUtil.log("Exception during initialization.", e);
}
return ret;
}
/**
* Find the component definition. If couldnt find fatalError is addet to Refactoringstatus.
*
* @return false if couldnt find definition, true otherwise.
* @param ret
* @throws CoreException
* @throws MissingNatureException
*/
private boolean findComponentDefinition(RefactoringStatus ret)
throws CoreException, MissingNatureException {
Identifier selectedIdentifier = getSelectedIdentifier();
ComponentSelectionIdentifier selectionIdentifier =
new ComponentSelectionIdentifier(selectedIdentifier);
if (!selectionIdentifier.isComponent()) {
ret.addFatalError("No Component selected.");
return false;
}
componentDefinition = getProjectUtil().getComponentDefinition(selectedIdentifier.getName());
if (componentDefinition == null) {
ret.addFatalError(
"Did not find an component Definition, for selection: "
+ selectedIdentifier.getName()
+ "!");
return false;
} else if (!componentDefinition.getParseFile().isProjectFile()) {
ret.addFatalError("Component definition is out of project range!");
return false;
}
return true;
}