@Override
public IRegion getSubject(final ITextViewer textViewer, final int offset) {
if (fScanner == null) {
fScanner =
(RHeuristicTokenScanner)
LTK.getModelAdapter(getEditor().getModelTypeId(), RHeuristicTokenScanner.class);
}
try {
final IDocument document = getEditor().getViewer().getDocument();
fScanner.configure(document);
final IRegion word = fScanner.findRWord(offset, false, true);
if (word != null) {
final ITypedRegion partition = fScanner.getPartition(word.getOffset());
if (fScanner
.getPartitioningConfig()
.getDefaultPartitionConstraint()
.matches(partition.getType())
|| partition.getType() == IRDocumentPartitions.R_STRING
|| partition.getType() == IRDocumentPartitions.R_QUOTED_SYMBOL) {
return word;
}
}
} catch (final Exception e) {
}
return new Region(offset, 0);
}
@Override
protected String getInitialFileContent(final IFile newFileHandle, final SubMonitor m) {
final String lineDelimiter = TextUtil.getLineDelimiter(newFileHandle.getProject());
final IRSourceUnit su =
(IRSourceUnit)
LTK.getSourceUnitManager()
.getSourceUnit(
LTK.PERSISTENCE_CONTEXT,
newFileHandle,
getContentType(newFileHandle),
true,
m);
try {
final EvaluatedTemplate data = CodeGeneration.getNewRFileContent(su, lineDelimiter);
if (data != null) {
fInitialSelection = data.getRegionToSelect();
return data.getContent();
}
} catch (final CoreException e) {
RUIPlugin.logError(
ICommonStatusConstants.INTERNAL_TEMPLATE,
"An error occured when applying template to new R script file.",
e); //$NON-NLS-1$
} finally {
if (su != null) {
su.disconnect(m);
}
}
return null;
}
public RContentAssistProcessor(
final ContentAssist assistant,
final String partition,
final ContentAssistComputerRegistry registry,
final ISourceEditor editor) {
super(assistant, partition, registry, editor);
fScanner =
(RHeuristicTokenScanner)
LTK.getModelAdapter(editor.getModelTypeId(), RHeuristicTokenScanner.class);
}