private boolean hideAutopopupIfMeaningless() {
if (!myLookup.isLookupDisposed()
&& isAutopopupCompletion()
&& !myLookup.isSelectionTouched()
&& !myLookup.isCalculating()) {
myLookup.refreshUi(true);
final List<LookupElement> items = myLookup.getItems();
for (LookupElement item : items) {
if (!myLookup.itemPattern(item).equals(item.getLookupString())) {
return false;
}
if (item.isValid()) {
final LookupElementPresentation presentation = new LookupElementPresentation();
item.renderElement(presentation);
if (StringUtil.isNotEmpty(presentation.getTailText())) {
return false;
}
}
}
myLookup.hideLookup(false);
LOG.assertTrue(CompletionServiceImpl.getCompletionService().getCurrentCompletion() == null);
CompletionServiceImpl.setCompletionPhase(new CompletionPhase.EmptyAutoPopup(this));
return true;
}
return false;
}
public boolean addItem(LookupElement item, PrefixMatcher matcher) {
LookupElementPresentation presentation = renderItemApproximately(item);
if (containsDummyIdentifier(presentation.getItemText())
|| containsDummyIdentifier(presentation.getTailText())
|| containsDummyIdentifier(presentation.getTypeText())) {
return false;
}
myMatchers.put(item, matcher);
updateLookupWidth(item, presentation);
synchronized (myList) {
myArranger.addElement(this, item, presentation);
}
return true;
}
@Override
public void renderElement(LookupElementPresentation presentation) {
final Object object = getObject();
if (object instanceof PsiClass) {
JavaPsiClassReferenceElement.renderClassItem(
presentation, this, (PsiClass) object, myDiamond, myLocationString, mySubstitutor);
} else {
assert object instanceof PsiType;
if (!(object instanceof PsiPrimitiveType)) {
presentation.setIcon(DefaultLookupItemRenderer.getRawIcon(this, presentation.isReal()));
}
presentation.setItemText(((PsiType) object).getCanonicalText());
presentation.setItemTextBold(object instanceof PsiPrimitiveType);
if (isAddArrayInitializer()) {
presentation.setTailText("{...}");
}
}
if (myBracketsCount > 0) {
presentation.setTailText(
StringUtil.repeat("[]", myBracketsCount)
+ StringUtil.notNullize(presentation.getTailText()),
true);
}
}
@Override
public void addElement(
Lookup lookup, LookupElement element, LookupElementPresentation presentation) {
StatisticsWeigher.clearBaseStatisticsInfo(element);
final String invariant =
presentation.getItemText()
+ "###"
+ getTailTextOrSpace(presentation)
+ "###"
+ presentation.getTypeText();
element.putUserData(PRESENTATION_INVARIANT, invariant);
CompletionSorterImpl sorter = obtainSorter(element);
Classifier<LookupElement> classifier = myClassifiers.get(sorter);
if (classifier == null) {
myClassifiers.put(sorter, classifier = sorter.buildClassifier(new AlphaClassifier(lookup)));
}
classifier.addElement(element);
super.addElement(lookup, element, presentation);
}
@Override
public void renderElement(LookupElementPresentation presentation) {
super.renderElement(presentation);
final LookupElementPresentation qualifierPresentation = new LookupElementPresentation();
myQualifier.renderElement(qualifierPresentation);
String name = maybeAddParentheses(qualifierPresentation.getItemText());
final String qualifierText =
myQualifier.as(CastingLookupElementDecorator.CLASS_CONDITION_KEY) != null
? "(" + name + ")"
: name;
presentation.setItemText(qualifierText + "." + presentation.getItemText());
if (myQualifier instanceof LookupItem && getQualifierObject() instanceof PsiClass) {
String locationString =
JavaPsiClassReferenceElement.getLocationString((LookupItem) myQualifier);
presentation.setTailText(StringUtil.notNullize(presentation.getTailText()) + locationString);
}
}
@NotNull
private static String getTailTextOrSpace(LookupElementPresentation presentation) {
String tailText = presentation.getTailText();
return tailText == null || tailText.isEmpty() ? " " : tailText;
}