private static void autoImport(final PsiFile file, int offset, final Editor editor) {
final CharSequence text = editor.getDocument().getCharsSequence();
while (offset > 0 && Character.isJavaIdentifierPart(text.charAt(offset))) offset--;
if (offset <= 0) return;
while (offset > 0 && Character.isWhitespace(text.charAt(offset))) offset--;
if (offset <= 0 || text.charAt(offset) != '.') return;
offset--;
while (offset > 0 && Character.isWhitespace(text.charAt(offset))) offset--;
if (offset <= 0) return;
PsiJavaCodeReferenceElement element =
extractReference(
PsiTreeUtil.findElementOfClassAtOffset(file, offset, PsiExpression.class, false));
if (element == null) return;
while (true) {
final PsiJavaCodeReferenceElement qualifier = extractReference(element.getQualifier());
if (qualifier == null) break;
element = qualifier;
}
if (!(element.getParent() instanceof PsiMethodCallExpression)
&& element.multiResolve(true).length == 0) {
new ImportClassFix(element).doFix(editor, false, false);
}
}
private static void autoImportReference(
@NotNull PsiFile file,
@NotNull Editor editor,
@Nullable PsiJavaCodeReferenceElement element) {
if (element == null) return;
while (true) {
final PsiJavaCodeReferenceElement qualifier = extractReference(element.getQualifier());
if (qualifier == null) break;
element = qualifier;
}
if (!(element.getParent() instanceof PsiMethodCallExpression)
&& element.multiResolve(true).length == 0) {
new ImportClassFix(element).doFix(editor, false, false);
PsiDocumentManager.getInstance(file.getProject()).commitDocument(editor.getDocument());
}
}
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);
}
}
}
