@Override
public ICompletionProposal[] computeQuickAssistProposals(
IQuickAssistInvocationContext invocationContext) {
// prepare AssistContextUI
AssistContextUI contextUI;
{
DartEditor editor = assistant.getEditor();
AssistContext context = editor.getAssistContext();
contextUI = new AssistContextUI(context, editor);
}
// prepare proposals
List<ICompletionProposal> proposals = Lists.newArrayList();
// add Quick Fixes
try {
QuickFixProcessor_NEW qfProcessor = new QuickFixProcessor_NEW();
AnalysisError problemToFix = assistant.getProblemToFix();
ICompletionProposal[] fixProposals = qfProcessor.computeFix(contextUI, problemToFix);
Collections.addAll(proposals, fixProposals);
// show problem only if there is are fixes
if (fixProposals.length != 0) {
assistant.showProblemToFix();
}
} catch (Throwable e) {
DartToolsPlugin.log(e);
}
// add Quick Assists
if (proposals.isEmpty()) {
QuickAssistProcessor qaProcessor = new QuickAssistProcessor();
ICompletionProposal[] assistProposals = qaProcessor.getAssists(contextUI);
Collections.addAll(proposals, assistProposals);
}
// done
Collections.sort(proposals, new CompletionProposalComparator());
return proposals.toArray(new ICompletionProposal[proposals.size()]);
}
/**
* Get the element associated with the editor's current selection.
*
* @param editor the editor
* @return the associated element, or {@code null} if none can be found
*/
public static Element getElementAtOffset(DartEditor editor) {
AssistContext context = editor.getAssistContext();
if (context == null) {
return null;
}
return context.getCoveredElement();
}
/** Uses {@link AssistContext} form {@link DartEditor} to prepare {@link #fDartElement}. */
private void prepareElement() {
fDartElement = null;
context = fEditor.getAssistContext();
if (context == null) {
return;
}
ASTNode selectedNode = context.getCoveredNode();
if (!(selectedNode instanceof SimpleIdentifier)) {
return;
}
nameNode = (SimpleIdentifier) selectedNode;
fDartElement = nameNode.getElement();
fDartElement = getCanonicalElement(fDartElement);
}