@Override
public IStatus run(final IProgressMonitor monitor) throws OperationCanceledException {
synchronized (this) {
if (this.result == null) {
this.result = new RHelpSearchResult(this);
}
this.result.init(this.query.getREnv());
}
final IRHelpSearchRequestor requestor =
new IRHelpSearchRequestor() {
@Override
public int maxFragments() {
return PreferencesUtil.getInstancePrefs()
.getPreferenceValue(RHelpPreferences.SEARCH_PREVIEW_FRAGMENTS_MAX_PREF);
}
@Override
public void matchFound(final IRHelpSearchMatch match) {
RHelpSearchUIQuery.this.result.addMatch(new RHelpSearchMatch(match));
}
};
try {
RCore.getRHelpManager().search(this.query, requestor, monitor);
return Status.OK_STATUS;
} catch (final CoreException e) {
if (e.getStatus().getSeverity() == IStatus.CANCEL) {
throw new OperationCanceledException();
}
return new Status(
IStatus.ERROR,
RUI.PLUGIN_ID,
"An error occurred when performing R help search: " + getSearchLabel());
}
}
@Override
protected SourceEditorViewerConfigurator createConfigurator(final SourceViewer sourceViewer) {
final RSourceViewerConfigurator viewerConfigurator =
new RSourceViewerConfigurator(
RCore.getWorkbenchAccess(),
new RSourceViewerConfiguration(null, SharedUIResources.getColors()));
return viewerConfigurator;
}
public ISourceUnitModelInfo getModelInfo(
final String type, final int syncLevel, final IProgressMonitor monitor) {
if (type == null || type.equals(RModel.TYPE_ID)) {
if (syncLevel > IModelManager.NONE) {
RCore.getRModelManager().reconcile(this, syncLevel, false, monitor);
}
return fModelInfo;
}
return null;
}
public AstInfo<? extends IAstNode> getAstInfo(
final String type, final boolean ensureSync, final IProgressMonitor monitor) {
if (type == null || type.equals(RModel.TYPE_ID)) {
if (ensureSync) {
RCore.getRModelManager().reconcile(this, IModelManager.AST, false, monitor);
}
return fAst;
}
return null;
}
@Override
protected IModelManager getModelManager() {
return RCore.getRModelManager();
}
public void reconcileRModel(final int reconcileLevel, final IProgressMonitor monitor) {
RCore.getRModelManager().reconcile(this, reconcileLevel, true, monitor);
}
@Override
protected void unregister() {
super.unregister();
RCore.getRModelManager().deregisterDependentUnit(this);
}
public IRCoreAccess getRCoreAccess() {
return RCore.getWorkbenchAccess();
}