private void createSubChanges(
final Variable parent, final TextFileChange change, final List<String> names) {
final String parentMsgName =
RUtil.formatVarName(RRefactoringAdapter.getUnquotedIdentifier(parent.fName));
for (final Variable variable : parent.fSubVariables.values()) {
if (variable.fNewName != null) {
final String oldName = RRefactoringAdapter.getUnquotedIdentifier(variable.fName);
final String oldMsgName = RUtil.formatVarName(oldName);
final boolean isQuoted = (variable.fNewName.charAt(0) == '`');
final GroupCategorySet set =
new GroupCategorySet(
new GroupCategory(
((IRFrameInSource) parent.getParent()).getFrameId() + '$' + parent.fName,
NLS.bind(Messages.RenameInRegion_Changes_VariableGroup_name, parentMsgName),
"")); //$NON-NLS-1$
final String message =
NLS.bind(
Messages.RenameInRegion_Changes_ReplaceOccurrenceOf_name,
oldMsgName,
parentMsgName);
for (final RElementAccess access : variable.fAccessList) {
final RAstNode nameNode = access.getNameNode();
if (nameNode == null) {
continue;
}
final String text =
(isQuoted
&& nameNode.getNodeType() == NodeType.SYMBOL
&& nameNode.getOperator(0) == RTerminal.SYMBOL)
? variable.fNewName
: RRefactoringAdapter.getUnquotedIdentifier(variable.fNewName);
final IRegion nameRegion = RAst.getElementNameRegion(nameNode);
TextChangeCompatibility.addTextEdit(
change,
message,
new ReplaceEdit(nameRegion.getOffset(), nameRegion.getLength(), text),
set);
}
names.add(oldName);
}
}
}
@Override
public Change createChange(final IProgressMonitor monitor) throws CoreException {
try {
final SubMonitor progress =
SubMonitor.convert(monitor, RefactoringMessages.Common_CreateChanges_label, 3);
final TextFileChange textFileChange = new SourceUnitChange(fSourceUnit);
if (fSourceUnit.getWorkingContext() == LTK.EDITOR_CONTEXT) {
textFileChange.setSaveMode(TextFileChange.LEAVE_DIRTY);
}
final List<String> variableNames = createChanges(textFileChange, progress.newChild(1));
final Map<String, String> arguments = new HashMap<String, String>();
final String description =
NLS.bind(
Messages.RenameInRegion_Descriptor_description, RUtil.formatVarNames(variableNames));
final IProject resource = fElementSet.getSingleProject();
final String project = (resource != null) ? resource.getName() : null;
final String source =
(project != null)
? NLS.bind(RefactoringMessages.Common_Source_Project_label, project)
: RefactoringMessages.Common_Source_Workspace_label;
final int flags = 0;
final String comment = ""; // $NON-NLS-1$
final CommonRefactoringDescriptor descriptor =
new CommonRefactoringDescriptor(
getIdentifier(), project, description, comment, arguments, flags);
return new RefactoringChange(
descriptor, Messages.RenameInRegion_label, new Change[] {textFileChange});
} catch (final BadLocationException e) {
throw new CoreException(
new Status(IStatus.ERROR, RCore.PLUGIN_ID, "Unexpected error (concurrent change?)", e));
} finally {
monitor.done();
}
}