public ASTNode getDefaultAnchor(
@NotNull PsiImportList list, @NotNull PsiImportStatementBase statement) {
PsiJavaCodeReferenceElement ref = statement.getImportReference();
if (ref == null) return null;
int entryIndex = findEntryIndex(statement);
PsiImportStatementBase[] allStatements = list.getAllImportStatements();
int[] entries = ArrayUtil.newIntArray(allStatements.length);
List<PsiImportStatementBase> statements = new ArrayList<PsiImportStatementBase>();
for (int i = 0; i < allStatements.length; i++) {
PsiImportStatementBase statement1 = allStatements[i];
int entryIndex1 = findEntryIndex(statement1);
entries[i] = entryIndex1;
if (entryIndex1 == entryIndex) {
statements.add(statement1);
}
}
if (statements.isEmpty()) {
int index;
for (index = entries.length - 1; index >= 0; index--) {
if (entries[index] < entryIndex) break;
}
index++;
return index < entries.length
? SourceTreeToPsiMap.psiElementToTree(allStatements[index])
: null;
} else {
String refText = ref.getCanonicalText();
if (statement.isOnDemand()) {
refText += ".";
}
PsiImportStatementBase insertBefore = null;
PsiImportStatementBase insertAfter = null;
for (PsiImportStatementBase statement1 : statements) {
PsiJavaCodeReferenceElement ref1 = statement1.getImportReference();
if (ref1 == null) {
continue;
}
String refTextThis = ref1.getCanonicalText();
if (statement1.isOnDemand()) {
refTextThis += ".";
}
int comp = Comparing.compare(refText, refTextThis);
if (comp < 0 && insertBefore == null) {
insertBefore = statement1;
}
if (comp > 0) {
insertAfter = statement1;
}
}
if (insertBefore != null) return insertBefore.getNode();
if (insertAfter != null) return insertAfter.getNode().getTreeNext();
return null;
}
}
public int findEntryIndex(@NotNull PsiImportStatementBase statement) {
PsiJavaCodeReferenceElement ref = statement.getImportReference();
if (ref == null) return -1;
String packageName;
if (statement.isOnDemand()) {
packageName = ref.getCanonicalText();
} else {
String className = ref.getCanonicalText();
packageName = getPackageOrClassName(className);
}
return findEntryIndex(packageName);
}
private static void addUnresolvedImportNames(
@NotNull Set<String> set,
@NotNull PsiJavaFile file,
@NotNull Set<String> namesToImportStaticly) {
PsiImportStatementBase[] imports = file.getImportList().getAllImportStatements();
for (PsiImportStatementBase anImport : imports) {
PsiJavaCodeReferenceElement ref = anImport.getImportReference();
if (ref == null) continue;
JavaResolveResult[] results = ref.multiResolve(false);
if (results.length == 0) {
String text = ref.getCanonicalText();
if (anImport.isOnDemand()) {
text += ".*";
}
if (anImport instanceof PsiImportStaticStatement) {
namesToImportStaticly.add(text);
}
set.add(text);
}
}
}
public void handleInsert(
final InsertionContext context, final JavaPsiClassReferenceElement item) {
final char c = context.getCompletionChar();
int offset = context.getTailOffset() - 1;
final PsiFile file = context.getFile();
if (PsiTreeUtil.findElementOfClassAtOffset(file, offset, PsiImportStatementBase.class, false)
!= null) {
final PsiJavaCodeReferenceElement ref =
PsiTreeUtil.findElementOfClassAtOffset(
file, offset, PsiJavaCodeReferenceElement.class, false);
final String qname = item.getQualifiedName();
if (qname != null && (ref == null || !qname.equals(ref.getCanonicalText()))) {
AllClassesGetter.INSERT_FQN.handleInsert(context, item);
}
return;
}
PsiElement position = file.findElementAt(offset);
PsiClass psiClass = item.getObject();
final Project project = context.getProject();
final boolean annotation = insertingAnnotation(context, item);
final Editor editor = context.getEditor();
if (c == '#') {
context.setLaterRunnable(
new Runnable() {
public void run() {
new CodeCompletionHandlerBase(CompletionType.BASIC).invokeCompletion(project, editor);
}
});
} else if (c == '.' && PsiTreeUtil.getParentOfType(position, PsiParameterList.class) == null) {
AutoPopupController.getInstance(context.getProject())
.autoPopupMemberLookup(context.getEditor(), null);
}
if (position != null) {
PsiElement parent = position.getParent();
if (parent instanceof PsiJavaCodeReferenceElement) {
final PsiJavaCodeReferenceElement ref = (PsiJavaCodeReferenceElement) parent;
if (PsiTreeUtil.getParentOfType(position, PsiDocTag.class) != null
&& ref.isReferenceTo(psiClass)) {
return;
}
}
}
OffsetKey refEnd = context.trackOffset(context.getTailOffset(), false);
boolean fillTypeArgs = context.getCompletionChar() == '<';
if (fillTypeArgs) {
context.setAddCompletionChar(false);
}
if (shouldInsertParentheses(psiClass, position)) {
if (ConstructorInsertHandler.insertParentheses(context, item, psiClass, false)) {
fillTypeArgs |=
psiClass.hasTypeParameters()
&& PsiUtil.getLanguageLevel(file).isAtLeast(LanguageLevel.JDK_1_5);
}
} else if (insertingAnnotationWithParameters(context, item)) {
JavaCompletionUtil.insertParentheses(context, item, false, true);
AutoPopupController.getInstance(project).autoPopupParameterInfo(editor, null);
}
LOG.assertTrue(context.getTailOffset() >= 0);
String docText = context.getDocument().getText();
DefaultInsertHandler.addImportForItem(context, item);
if (context.getTailOffset() < 0) {
LOG.error(
LogMessageEx.createEvent(
"Tail offset degraded after insertion",
"start=" + context.getStartOffset(),
new Attachment(
context.getFile().getViewProvider().getVirtualFile().getPath(), docText)));
}
if (annotation) {
// Check if someone inserts annotation class that require @
PsiElement elementAt = file.findElementAt(context.getStartOffset());
final PsiElement parentElement = elementAt != null ? elementAt.getParent() : null;
if (elementAt instanceof PsiIdentifier
&& (PsiTreeUtil.getParentOfType(elementAt, PsiAnnotationParameterList.class) != null
|| parentElement instanceof PsiErrorElement
&& parentElement.getParent()
instanceof PsiJavaFile // top level annotation without @
)
&& isAtTokenNeeded(context)) {
int expectedOffsetForAtToken = elementAt.getTextRange().getStartOffset();
context.getDocument().insertString(expectedOffsetForAtToken, "@");
}
}
if (fillTypeArgs) {
PostprocessReformattingAspect.getInstance(project).doPostponedFormatting();
int typeArgs = context.getOffset(refEnd);
if (typeArgs >= 0) {
context.getDocument().insertString(typeArgs, "<>");
context.getEditor().getCaretModel().moveToOffset(typeArgs + 1);
}
}
}
private static String formatReference(PsiJavaCodeReferenceElement ref) {
return ref.getCanonicalText();
}