private static void makeVariableFinalIfNeeded(
InsertionContext context, @Nullable PsiReferenceExpression ref) {
if (!Registry.is("java.completion.make.outer.variables.final")
|| ref == null
|| PsiUtil.isLanguageLevel8OrHigher(ref)
|| JspPsiUtil.isInJspFile(ref)) {
return;
}
PsiElement target = ref.resolve();
if (target instanceof PsiLocalVariable || target instanceof PsiParameter) {
PsiClass placeClass =
PsiTreeUtil.findElementOfClassAtOffset(
context.getFile(), context.getTailOffset() - 1, PsiClass.class, false);
if (placeClass != null
&& !PsiTreeUtil.isAncestor(placeClass, target, true)
&& !HighlightControlFlowUtil.isReassigned(
(PsiVariable) target,
new HashMap<PsiElement, Collection<ControlFlowUtil.VariableInfo>>())) {
PsiModifierList modifierList = ((PsiVariable) target).getModifierList();
if (modifierList != null) {
modifierList.setModifierProperty(PsiModifier.FINAL, true);
}
}
}
}
public static void invokeCompletion(
@NotNull final InsertionContext context, final CompletionType completionType) {
context.setLaterRunnable(
() ->
new CodeCompletionHandlerBase(completionType)
.invokeCompletion(context.getProject(), context.getEditor()));
}
public static void addImportForItem(InsertionContext context, PsiClass aClass) {
if (aClass.getQualifiedName() == null) return;
PsiFile file = context.getFile();
int startOffset = context.getStartOffset();
int tail = context.getTailOffset();
int newTail = JavaCompletionUtil.insertClassReference(aClass, file, startOffset, tail);
if (newTail > context.getDocument().getTextLength() || newTail < 0) {
LOG.error(
LogMessageEx.createEvent(
"Invalid offset after insertion ",
"offset="
+ newTail
+ "\n"
+ "start="
+ startOffset
+ "\n"
+ "tail="
+ tail
+ "\n"
+ "file.length="
+ file.getTextLength()
+ "\n"
+ "document="
+ context.getDocument()
+ "\n"
+ DebugUtil.currentStackTrace(),
AttachmentFactory.createAttachment(context.getDocument())));
return;
}
context.setTailOffset(newTail);
JavaCompletionUtil.shortenReference(file, context.getStartOffset());
PostprocessReformattingAspect.getInstance(context.getProject()).doPostponedFormatting();
}
private static void shortenRefsInGenerics(InsertionContext context) {
int offset = context.getStartOffset();
final String text = context.getDocument().getText();
while (text.charAt(offset) != '<' && text.charAt(offset) != '(') {
offset++;
}
if (text.charAt(offset) == '<') {
GroovyCompletionUtil.shortenReference(context.getFile(), offset);
}
}
@Override
public void handleInsert(InsertionContext context, LookupElement item) {
super.handleInsert(context, item);
final Object object = item.getObject();
if (object instanceof JavaFxClassBackedElementDescriptor) {
final XmlFile xmlFile = (XmlFile) context.getFile();
final String shortName = ((JavaFxClassBackedElementDescriptor) object).getName();
context.commitDocument();
JavaFxPsiUtil.insertImportWhenNeeded(
xmlFile, shortName, ((JavaFxClassBackedElementDescriptor) object).getQualifiedName());
}
}
public static void addTypeAndClassifierAndVersion(
@NotNull InsertionContext context,
@NotNull MavenDomDependency dependency,
@NotNull String groupId,
@NotNull String artifactId) {
if (!StringUtil.isEmpty(dependency.getVersion().getStringValue())) return;
Project project = context.getProject();
if (!isInsideManagedDependency(dependency)) {
MavenDomProjectModel model =
DomUtil.<MavenDomProjectModel>getFileElement(dependency).getRootElement();
MavenDomDependency managedDependency =
findManagedDependency(model, project, groupId, artifactId);
if (managedDependency != null) {
if (dependency.getClassifier().getXmlTag() == null
&& dependency.getType().getXmlTag() == null) {
String classifier = managedDependency.getClassifier().getRawText();
if (StringUtil.isNotEmpty(classifier)) {
dependency.getClassifier().setStringValue(classifier);
}
String type = managedDependency.getType().getRawText();
if (StringUtil.isNotEmpty(type)) {
dependency.getType().setStringValue(type);
}
}
return;
}
}
MavenProjectIndicesManager manager = MavenProjectIndicesManager.getInstance(project);
Set<String> versions = manager.getVersions(groupId, artifactId);
if (versions.size() == 1) {
dependency.getVersion().setStringValue(ContainerUtil.getFirstItem(versions));
return;
}
dependency.getVersion().setStringValue("");
int versionPosition =
dependency.getVersion().getXmlTag().getValue().getTextRange().getStartOffset();
context.getEditor().getCaretModel().moveToOffset(versionPosition);
if (versions.size() > 0) {
invokeCompletion(context, CompletionType.BASIC);
}
}
public String calcGenerics(@NotNull PsiElement context, InsertionContext insertionContext) {
if (insertionContext.getCompletionChar() == '<') {
return "";
}
assert context.isValid();
if (myDiamond) {
return "<>";
}
if (getObject() instanceof PsiClass) {
PsiClass psiClass = (PsiClass) getObject();
PsiResolveHelper resolveHelper =
JavaPsiFacade.getInstance(psiClass.getProject()).getResolveHelper();
PsiSubstitutor substitutor = getSubstitutor();
StringBuilder builder = new StringBuilder();
for (PsiTypeParameter parameter : psiClass.getTypeParameters()) {
PsiType substitute = substitutor.substitute(parameter);
if (substitute == null
|| (PsiUtil.resolveClassInType(substitute) == parameter
&& resolveHelper.resolveReferencedClass(parameter.getName(), context)
!= CompletionUtil.getOriginalOrSelf(parameter))) {
return "";
}
if (builder.length() > 0) {
builder.append(", ");
}
builder.append(substitute.getCanonicalText());
}
if (builder.length() > 0) {
return "<" + builder + ">";
}
}
return "";
}
private static void qualifyFieldReference(InsertionContext context, PsiField field) {
context.commitDocument();
PsiFile file = context.getFile();
final PsiReference reference = file.findReferenceAt(context.getStartOffset());
if (reference instanceof PsiJavaCodeReferenceElement
&& ((PsiJavaCodeReferenceElement) reference).isQualified()) {
return;
}
PsiClass containingClass = field.getContainingClass();
if (containingClass != null && containingClass.getName() != null) {
OffsetKey oldStart = context.trackOffset(context.getStartOffset(), true);
JavaCompletionUtil.insertClassReference(containingClass, file, context.getStartOffset());
context.getDocument().insertString(context.getOffsetMap().getOffset(oldStart), ".");
PsiDocumentManager.getInstance(context.getProject()).commitDocument(context.getDocument());
}
}
@Nullable
@Override
protected List<ClosureParameterInfo> getParameterInfos(
InsertionContext context,
PsiMethod method,
PsiSubstitutor substitutor,
Document document,
int offset,
PsiElement parent) {
final String name = method.getName();
if (!"eachWithIndex".equals(name)) return null;
if (method instanceof GrGdkMethod) method = ((GrGdkMethod) method).getStaticMethod();
final PsiClass containingClass = method.getContainingClass();
if (containingClass == null) return null;
final String qname = containingClass.getQualifiedName();
if (!GroovyCommonClassNames.DEFAULT_GROOVY_METHODS.equals(qname)) return null;
final PsiParameter[] parameters = method.getParameterList().getParameters();
if (parameters.length != 2) return null;
final PsiType type = parameters[0].getType();
final PsiType collection = substitutor.substitute(type);
final PsiType iterable = getIteratedType(parent, collection);
if (iterable != null) {
return Arrays.asList(
new ClosureParameterInfo(iterable.getCanonicalText(), "entry"),
new ClosureParameterInfo("int", "i"));
}
if (InheritanceUtil.isInheritor(collection, CommonClassNames.JAVA_UTIL_MAP)) {
final PsiType[] typeParams = ((PsiClassType) collection).getParameters();
final Project project = context.getProject();
final PsiClass entry =
JavaPsiFacade.getInstance(project)
.findClass("java.util.Map.Entry", parent.getResolveScope());
if (entry == null) return null;
final PsiClassType entryType =
JavaPsiFacade.getElementFactory(project).createType(entry, typeParams);
return Arrays.asList(
new ClosureParameterInfo(entryType.getCanonicalText(), "entry"),
new ClosureParameterInfo("int", "i"));
}
return Arrays.asList(
new ClosureParameterInfo(collection.getCanonicalText(), "entry"),
new ClosureParameterInfo("int", "i"));
}
@Override
public void handleInsert(InsertionContext insertionContext, LookupElement item) {
Editor editor = insertionContext.getEditor();
int offset = editor.getCaretModel().getOffset();
boolean isVoidReturnType =
DotNetTypeRefUtil.isVmQNameEqual(
myPseudoMethod.getReturnTypeRef(), myPseudoMethod, DotNetTypes.System.Void);
if (!isVoidReturnType) {
TailType.insertChar(editor, offset, ' ');
TailType.insertChar(editor, offset + 1, ';');
} else {
TailType.insertChar(editor, offset, ';');
}
insertionContext.getEditor().getCaretModel().moveToOffset(offset + 1);
if (!isVoidReturnType) {
AutoPopupController.getInstance(editor.getProject()).autoPopupMemberLookup(editor, null);
}
}
@Override
public void handleInsert(final InsertionContext context, LookupElement item) {
final PsiClassType.ClassResolveResult resolveResult = myClassType.resolveGenerics();
final PsiClass psiClass = resolveResult.getElement();
if (psiClass == null || !psiClass.isValid()) {
return;
}
GroovyPsiElement place =
PsiTreeUtil.findElementOfClassAtOffset(
context.getFile(), context.getStartOffset(), GroovyPsiElement.class, false);
boolean hasParams =
place != null && GroovyCompletionUtil.hasConstructorParameters(psiClass, place);
if (myTriggerFeature) {
FeatureUsageTracker.getInstance().triggerFeatureUsed(JavaCompletionFeatures.AFTER_NEW);
}
if (hasParams) {
ParenthesesInsertHandler.WITH_PARAMETERS.handleInsert(context, item);
} else {
ParenthesesInsertHandler.NO_PARAMETERS.handleInsert(context, item);
}
shortenRefsInGenerics(context);
if (hasParams) {
AutoPopupController.getInstance(context.getProject())
.autoPopupParameterInfo(context.getEditor(), null);
}
PsiDocumentManager.getInstance(context.getProject())
.doPostponedOperationsAndUnblockDocument(context.getDocument());
if (psiClass.hasModifierProperty(PsiModifier.ABSTRACT)) {
final Editor editor = context.getEditor();
final int offset = context.getTailOffset();
editor.getDocument().insertString(offset, " {}");
editor.getCaretModel().moveToOffset(offset + 2);
context.setLaterRunnable(generateAnonymousBody(editor, context.getFile()));
}
}
@Override
public void handleInsert(final InsertionContext context) {
context.getDocument().deleteString(context.getStartOffset(), context.getTailOffset());
context.setAddCompletionChar(false);
TemplateManager templateManager = TemplateManager.getInstance(context.getProject());
templateManager.startTemplate(context.getEditor(), "", myTemplate);
}
private boolean shouldQualify(PsiField field, InsertionContext context) {
if (myHelper != null && !myHelper.willBeImported()) {
return true;
}
if (getAttribute(FORCE_QUALIFY) != null) {
return true;
}
PsiReference reference = context.getFile().findReferenceAt(context.getStartOffset());
if (reference instanceof PsiReferenceExpression
&& !((PsiReferenceExpression) reference).isQualified()) {
final PsiVariable target =
JavaPsiFacade.getInstance(context.getProject())
.getResolveHelper()
.resolveReferencedVariable(field.getName(), (PsiElement) reference);
return !field
.getManager()
.areElementsEquivalent(target, CompletionUtil.getOriginalOrSelf(field));
}
return false;
}
@Override
public void handleInsert(InsertionContext context) {
PsiVariable variable = getObject();
Document document = context.getDocument();
document.replaceString(context.getStartOffset(), context.getTailOffset(), variable.getName());
context.commitDocument();
if (variable instanceof PsiField) {
if (willBeImported()) {
RangeMarker toDelete =
JavaCompletionUtil.insertTemporary(context.getTailOffset(), document, " ");
context.commitDocument();
final PsiReferenceExpression ref =
PsiTreeUtil.findElementOfClassAtOffset(
context.getFile(), context.getStartOffset(), PsiReferenceExpression.class, false);
if (ref != null) {
ref.bindToElementViaStaticImport(((PsiField) variable).getContainingClass());
PostprocessReformattingAspect.getInstance(ref.getProject()).doPostponedFormatting();
}
if (toDelete.isValid()) {
document.deleteString(toDelete.getStartOffset(), toDelete.getEndOffset());
}
context.commitDocument();
} else if (shouldQualify((PsiField) variable, context)) {
qualifyFieldReference(context, (PsiField) variable);
}
}
PsiReferenceExpression ref =
PsiTreeUtil.findElementOfClassAtOffset(
context.getFile(), context.getTailOffset() - 1, PsiReferenceExpression.class, false);
if (ref != null) {
JavaCodeStyleManager.getInstance(context.getProject()).shortenClassReferences(ref);
}
ref =
PsiTreeUtil.findElementOfClassAtOffset(
context.getFile(), context.getTailOffset() - 1, PsiReferenceExpression.class, false);
makeVariableFinalIfNeeded(context, ref);
final char completionChar = context.getCompletionChar();
if (completionChar == '=') {
context.setAddCompletionChar(false);
TailType.EQ.processTail(context.getEditor(), context.getTailOffset());
} else if (completionChar == ','
&& getAttribute(LookupItem.TAIL_TYPE_ATTR) != TailType.UNKNOWN) {
context.setAddCompletionChar(false);
TailType.COMMA.processTail(context.getEditor(), context.getTailOffset());
AutoPopupController.getInstance(context.getProject())
.autoPopupParameterInfo(context.getEditor(), null);
} else if (completionChar == ':') {
context.setAddCompletionChar(false);
TailType.COND_EXPR_COLON.processTail(context.getEditor(), context.getTailOffset());
} else if (completionChar == '.') {
AutoPopupController.getInstance(context.getProject())
.autoPopupMemberLookup(context.getEditor(), null);
} else if (completionChar == '!' && PsiType.BOOLEAN.isAssignableFrom(variable.getType())) {
context.setAddCompletionChar(false);
if (ref != null) {
FeatureUsageTracker.getInstance()
.triggerFeatureUsed(CodeCompletionFeatures.EXCLAMATION_FINISH);
document.insertString(ref.getTextRange().getStartOffset(), "!");
}
}
}
@Override
public void handleInsert(InsertionContext context) {
myImportFixer.handleInsert(context, this);
PsiElement position = context.getFile().findElementAt(context.getStartOffset());
if (position != null) {
int genericsStart = context.getTailOffset();
context
.getDocument()
.insertString(
genericsStart,
JavaCompletionUtil.escapeXmlIfNeeded(context, calcGenerics(position, context)));
JavaCompletionUtil.shortenReference(context.getFile(), genericsStart - 1);
}
int tail = context.getTailOffset();
String braces = StringUtil.repeat("[]", getBracketsCount());
Editor editor = context.getEditor();
if (!braces.isEmpty()) {
if (myAddArrayInitializer) {
context.getDocument().insertString(tail, braces + "{}");
editor.getCaretModel().moveToOffset(tail + braces.length() + 1);
} else {
context.getDocument().insertString(tail, braces);
editor.getCaretModel().moveToOffset(tail + 1);
if (context.getCompletionChar() == '[') {
context.setAddCompletionChar(false);
}
}
} else {
editor.getCaretModel().moveToOffset(tail);
}
editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
InsertHandler handler = getInsertHandler();
if (handler != null) {
//noinspection unchecked
handler.handleInsert(context, this);
}
}