private String getCaseCorrectedLookupString(LookupElement item) {
String lookupString = item.getLookupString();
if (item.isCaseSensitive()) {
return lookupString;
}
final String prefix = itemPattern(item);
final int length = prefix.length();
if (length == 0 || !itemMatcher(item).prefixMatches(prefix)) return lookupString;
boolean isAllLower = true;
boolean isAllUpper = true;
boolean sameCase = true;
for (int i = 0; i < length && (isAllLower || isAllUpper || sameCase); i++) {
final char c = prefix.charAt(i);
boolean isLower = Character.isLowerCase(c);
boolean isUpper = Character.isUpperCase(c);
// do not take this kind of symbols into account ('_', '@', etc.)
if (!isLower && !isUpper) continue;
isAllLower = isAllLower && isLower;
isAllUpper = isAllUpper && isUpper;
sameCase = sameCase && isLower == Character.isLowerCase(lookupString.charAt(i));
}
if (sameCase) return lookupString;
if (isAllLower) return lookupString.toLowerCase();
if (isAllUpper) return StringUtil.toUpperCase(lookupString);
return lookupString;
}
public void finishLookup(char completionChar, @Nullable final LookupElement item) {
//noinspection deprecation,unchecked
if (item == null
|| item instanceof EmptyLookupItem
|| item.getObject() instanceof DeferredUserLookupValue
&& item.as(LookupItem.CLASS_CONDITION_KEY) != null
&& !((DeferredUserLookupValue) item.getObject())
.handleUserSelection(item.as(LookupItem.CLASS_CONDITION_KEY), myProject)) {
doHide(false, true);
fireItemSelected(null, completionChar);
return;
}
if (myDisposed) { // DeferredUserLookupValue could close us in any way
return;
}
final PsiFile file = getPsiFile();
boolean writableOk =
file == null || FileModificationService.getInstance().prepareFileForWrite(file);
if (myDisposed) { // ensureFilesWritable could close us by showing a dialog
return;
}
if (!writableOk) {
doHide(false, true);
fireItemSelected(null, completionChar);
return;
}
final String prefix = itemPattern(item);
boolean plainMatch =
ContainerUtil.or(
item.getAllLookupStrings(),
new Condition<String>() {
@Override
public boolean value(String s) {
return StringUtil.containsIgnoreCase(s, prefix);
}
});
if (!plainMatch) {
FeatureUsageTracker.getInstance()
.triggerFeatureUsed(CodeCompletionFeatures.EDITING_COMPLETION_CAMEL_HUMPS);
}
myFinishing = true;
ApplicationManager.getApplication()
.runWriteAction(
new Runnable() {
public void run() {
myEditor.getDocument().startGuardedBlockChecking();
try {
insertLookupString(item, getPrefixLength(item));
} finally {
myEditor.getDocument().stopGuardedBlockChecking();
}
}
});
if (myDisposed) { // any document listeners could close us
return;
}
doHide(false, true);
fireItemSelected(item, completionChar);
}
private static LookupElementPresentation renderItemApproximately(LookupElement item) {
final LookupElementPresentation p = new LookupElementPresentation();
item.renderElement(p);
return p;
}