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 String[] getSuggestionsByValue(final String stringValue) {
List<String> result = new ArrayList<String>();
StringBuffer currentWord = new StringBuffer();
boolean prevIsUpperCase = false;
for (int i = 0; i < stringValue.length(); i++) {
final char c = stringValue.charAt(i);
if (Character.isUpperCase(c)) {
if (currentWord.length() > 0 && !prevIsUpperCase) {
result.add(currentWord.toString());
currentWord = new StringBuffer();
}
currentWord.append(c);
} else if (Character.isLowerCase(c)) {
currentWord.append(Character.toUpperCase(c));
} else if (Character.isJavaIdentifierPart(c) && c != '_') {
if (Character.isJavaIdentifierStart(c) || currentWord.length() > 0 || !result.isEmpty()) {
currentWord.append(c);
}
} else {
if (currentWord.length() > 0) {
result.add(currentWord.toString());
currentWord = new StringBuffer();
}
}
prevIsUpperCase = Character.isUpperCase(c);
}
if (currentWord.length() > 0) {
result.add(currentWord.toString());
}
return ArrayUtil.toStringArray(result);
}
public static RangeMarker insertTemporary(
final int endOffset, final Document document, final String temporary) {
final CharSequence chars = document.getCharsSequence();
final int length = chars.length();
final RangeMarker toDelete;
if (endOffset < length && Character.isJavaIdentifierPart(chars.charAt(endOffset))) {
document.insertString(endOffset, temporary);
toDelete = document.createRangeMarker(endOffset, endOffset + 1);
} else if (endOffset >= length) {
toDelete = document.createRangeMarker(length, length);
} else {
toDelete = document.createRangeMarker(endOffset, endOffset);
}
toDelete.setGreedyToLeft(true);
toDelete.setGreedyToRight(true);
return toDelete;
}
private static void autoImport(
@NotNull final PsiFile file, int offset, @NotNull 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;
autoImportReference(
file,
editor,
extractReference(
PsiTreeUtil.findElementOfClassAtOffset(file, offset, PsiExpression.class, false)));
}