public void addSparedChars(
CompletionProgressIndicator indicator,
LookupElement item,
InsertionContext context,
char completionChar) {
String textInserted;
if (context.getStartOffset() >= 0 && context.getTailOffset() >= context.getStartOffset()) {
textInserted =
context
.getDocument()
.getText()
.substring(context.getStartOffset(), context.getTailOffset());
} else {
textInserted = item.getLookupString();
}
String withoutSpaces =
StringUtil.replace(
textInserted, new String[] {" ", "\t", "\n"}, new String[] {"", "", ""});
int spared = withoutSpaces.length() - indicator.getLookup().itemPattern(item).length();
if (!LookupEvent.isSpecialCompletionChar(completionChar)
&& withoutSpaces.contains(String.valueOf(completionChar))) {
spared--;
}
if (spared > 0) {
mySpared += spared;
}
}
@Override
public void handleInsert(InsertionContext context) {
final Document document = context.getEditor().getDocument();
document.replaceString(context.getStartOffset(), context.getTailOffset(), ";");
final InsertionContext qualifierContext =
CompletionUtil.emulateInsertion(context, context.getStartOffset(), myQualifier);
OffsetKey oldStart = context.trackOffset(context.getStartOffset(), false);
int start =
CharArrayUtil.shiftForward(
context.getDocument().getCharsSequence(), context.getStartOffset(), " \t\n");
if (shouldParenthesizeQualifier(context.getFile(), start, qualifierContext.getTailOffset())) {
final String space =
CodeStyleSettingsManager.getSettings(qualifierContext.getProject())
.SPACE_WITHIN_PARENTHESES
? " "
: "";
document.insertString(start, "(" + space);
document.insertString(qualifierContext.getTailOffset(), space + ")");
}
final char atTail = document.getCharsSequence().charAt(context.getTailOffset() - 1);
if (atTail != ';') {
LOG.error(
LogMessageEx.createEvent(
"Unexpected character",
"atTail="
+ atTail
+ "\n"
+ "offset="
+ context.getTailOffset()
+ "\n"
+ "item="
+ this
+ "\n"
+ "item.class="
+ this.getClass()
+ "\n"
+ DebugUtil.currentStackTrace(),
AttachmentFactory.createAttachment(context.getDocument())));
}
document.replaceString(context.getTailOffset() - 1, context.getTailOffset(), ".");
CompletionUtil.emulateInsertion(getDelegate(), context.getTailOffset(), context);
context.commitDocument();
int formatStart = context.getOffset(oldStart);
int formatEnd = context.getTailOffset();
if (formatStart >= 0 && formatEnd >= 0) {
CodeStyleManager.getInstance(context.getProject())
.reformatText(context.getFile(), formatStart, formatEnd);
}
}
public static void trackStatistics(InsertionContext context, final StatisticsUpdate update) {
if (ourPendingUpdate != update) {
return;
}
final Document document = context.getDocument();
int startOffset = context.getStartOffset();
int tailOffset = context.getEditor().getCaretModel().getOffset();
if (startOffset < 0 || tailOffset <= startOffset) {
return;
}
final RangeMarker marker = document.createRangeMarker(startOffset, tailOffset);
final DocumentAdapter listener =
new DocumentAdapter() {
@Override
public void beforeDocumentChange(DocumentEvent e) {
if (!marker.isValid()
|| e.getOffset() > marker.getStartOffset()
&& e.getOffset() < marker.getEndOffset()) {
cancelLastCompletionStatisticsUpdate();
}
}
};
ourStatsAlarm.addRequest(
new Runnable() {
@Override
public void run() {
if (ourPendingUpdate == update) {
applyLastCompletionStatisticsUpdate();
}
}
},
20 * 1000);
document.addDocumentListener(listener);
Disposer.register(
update,
new Disposable() {
@Override
public void dispose() {
document.removeDocumentListener(listener);
marker.dispose();
ourStatsAlarm.cancelAllRequests();
}
});
}
public static boolean insertTail(
InsertionContext context, LookupElement item, TailType tailType, boolean hasTail) {
TailType toInsert = tailType;
LookupItem<?> lookupItem = item.as(LookupItem.CLASS_CONDITION_KEY);
if (lookupItem == null
|| lookupItem.getAttribute(LookupItem.TAIL_TYPE_ATTR) != TailType.UNKNOWN) {
if (!hasTail
&& item.getObject() instanceof PsiMethod
&& ((PsiMethod) item.getObject()).getReturnType() == PsiType.VOID) {
PsiDocumentManager.getInstance(context.getProject()).commitAllDocuments();
if (psiElement()
.beforeLeaf(psiElement().withText("."))
.accepts(context.getFile().findElementAt(context.getTailOffset() - 1))) {
return false;
}
boolean insertAdditionalSemicolon = true;
final PsiReferenceExpression referenceExpression =
PsiTreeUtil.getTopmostParentOfType(
context.getFile().findElementAt(context.getStartOffset()),
PsiReferenceExpression.class);
if (referenceExpression instanceof PsiMethodReferenceExpression
&& LambdaHighlightingUtil.insertSemicolon(referenceExpression.getParent())) {
insertAdditionalSemicolon = false;
} else if (referenceExpression != null) {
PsiElement parent = referenceExpression.getParent();
if (parent instanceof PsiMethodCallExpression) {
parent = parent.getParent();
}
if (parent instanceof PsiLambdaExpression
&& !LambdaHighlightingUtil.insertSemicolonAfter((PsiLambdaExpression) parent)) {
insertAdditionalSemicolon = false;
}
}
if (insertAdditionalSemicolon) {
toInsert = TailType.SEMICOLON;
}
}
}
toInsert.processTail(context.getEditor(), context.getTailOffset());
return true;
}
public static void insertParentheses(
final InsertionContext context,
final LookupElement item,
boolean overloadsMatter,
boolean hasParams,
final boolean forceClosingParenthesis) {
final Editor editor = context.getEditor();
final char completionChar = context.getCompletionChar();
final PsiFile file = context.getFile();
final TailType tailType =
completionChar == '('
? TailType.NONE
: completionChar == ':'
? TailType.COND_EXPR_COLON
: LookupItem.handleCompletionChar(context.getEditor(), item, completionChar);
final boolean hasTail = tailType != TailType.NONE && tailType != TailType.UNKNOWN;
final boolean smart = completionChar == Lookup.COMPLETE_STATEMENT_SELECT_CHAR;
if (completionChar == '('
|| completionChar == '.'
|| completionChar == ','
|| completionChar == ';'
|| completionChar == ':'
|| completionChar == ' ') {
context.setAddCompletionChar(false);
}
if (hasTail) {
hasParams = false;
}
final boolean needRightParenth =
forceClosingParenthesis
|| !smart
&& (CodeInsightSettings.getInstance().AUTOINSERT_PAIR_BRACKET
|| !hasParams && completionChar != '(');
context.commitDocument();
final CommonCodeStyleSettings styleSettings = context.getCodeStyleSettings();
final PsiElement elementAt = file.findElementAt(context.getStartOffset());
if (elementAt == null || !(elementAt.getParent() instanceof PsiMethodReferenceExpression)) {
ParenthesesInsertHandler.getInstance(
hasParams,
styleSettings.SPACE_BEFORE_METHOD_CALL_PARENTHESES,
styleSettings.SPACE_WITHIN_METHOD_CALL_PARENTHESES && hasParams,
needRightParenth,
styleSettings.METHOD_PARAMETERS_LPAREN_ON_NEXT_LINE)
.handleInsert(context, item);
}
if (hasParams) {
// Invoke parameters popup
AutoPopupController.getInstance(file.getProject())
.autoPopupParameterInfo(editor, overloadsMatter ? null : (PsiElement) item.getObject());
}
if (smart || !needRightParenth || !insertTail(context, item, tailType, hasTail)) {
return;
}
if (completionChar == '.') {
AutoPopupController.getInstance(file.getProject())
.autoPopupMemberLookup(context.getEditor(), null);
} else if (completionChar == ',') {
AutoPopupController.getInstance(file.getProject())
.autoPopupParameterInfo(context.getEditor(), null);
}
}