private static void restoreBlockSelection(
Editor editor, List<RangeMarker> caretsAfter, int caretLine) {
int column = -1;
int minLine = Integer.MAX_VALUE;
int maxLine = -1;
for (RangeMarker marker : caretsAfter) {
if (marker.isValid()) {
LogicalPosition lp = editor.offsetToLogicalPosition(marker.getStartOffset());
if (column == -1) {
column = lp.column;
} else if (column != lp.column) {
return;
}
minLine = Math.min(minLine, lp.line);
maxLine = Math.max(maxLine, lp.line);
if (lp.line == caretLine) {
editor.getCaretModel().moveToLogicalPosition(lp);
}
}
}
editor
.getSelectionModel()
.setBlockSelection(
new LogicalPosition(minLine, column), new LogicalPosition(maxLine, column));
}
private static int calcMatch(final String expectedName, final List<String> words, int max) {
if (expectedName == null) return max;
String[] expectedWords = NameUtil.nameToWords(expectedName);
int limit = Math.min(words.size(), expectedWords.length);
for (int i = 0; i < limit; i++) {
String word = words.get(words.size() - i - 1);
String expectedWord = expectedWords[expectedWords.length - i - 1];
if (word.equalsIgnoreCase(expectedWord)) {
max = Math.max(max, i + 1);
} else {
break;
}
}
return max;
}
public static void initOffsets(final PsiFile file, final OffsetMap offsetMap) {
int offset =
Math.max(
offsetMap.getOffset(CompletionInitializationContext.SELECTION_END_OFFSET),
offsetMap.getOffset(CompletionInitializationContext.IDENTIFIER_END_OFFSET));
PsiElement element = file.findElementAt(offset);
if (element instanceof PsiWhiteSpace
&& (!element.textContains('\n')
|| CodeStyleSettingsManager.getSettings(file.getProject())
.getCommonSettings(JavaLanguage.INSTANCE)
.METHOD_PARAMETERS_LPAREN_ON_NEXT_LINE)) {
element = file.findElementAt(element.getTextRange().getEndOffset());
}
if (element == null) return;
if (LEFT_PAREN.accepts(element)) {
offsetMap.addOffset(LPAREN_OFFSET, element.getTextRange().getStartOffset());
PsiElement list = element.getParent();
PsiElement last = list.getLastChild();
if (last instanceof PsiJavaToken
&& ((PsiJavaToken) last).getTokenType() == JavaTokenType.RPARENTH) {
offsetMap.addOffset(RPAREN_OFFSET, last.getTextRange().getStartOffset());
}
offsetMap.addOffset(ARG_LIST_END_OFFSET, list.getTextRange().getEndOffset());
}
}
public boolean fillInCommonPrefix(boolean explicitlyInvoked) {
if (explicitlyInvoked) {
setFocusDegree(FocusDegree.FOCUSED);
}
if (explicitlyInvoked && myCalculating) return false;
if (!explicitlyInvoked && mySelectionTouched) return false;
ListModel listModel = getListModel();
if (listModel.getSize() <= 1) return false;
if (listModel.getSize() == 0) return false;
final LookupElement firstItem = (LookupElement) listModel.getElementAt(0);
if (listModel.getSize() == 1 && firstItem instanceof EmptyLookupItem) return false;
final PrefixMatcher firstItemMatcher = itemMatcher(firstItem);
final String oldPrefix = firstItemMatcher.getPrefix();
final String presentPrefix = oldPrefix + getAdditionalPrefix();
String commonPrefix = getCaseCorrectedLookupString(firstItem);
for (int i = 1; i < listModel.getSize(); i++) {
LookupElement item = (LookupElement) listModel.getElementAt(i);
if (item instanceof EmptyLookupItem) return false;
if (!oldPrefix.equals(itemMatcher(item).getPrefix())) return false;
final String lookupString = getCaseCorrectedLookupString(item);
final int length = Math.min(commonPrefix.length(), lookupString.length());
if (length < commonPrefix.length()) {
commonPrefix = commonPrefix.substring(0, length);
}
for (int j = 0; j < length; j++) {
if (commonPrefix.charAt(j) != lookupString.charAt(j)) {
commonPrefix = lookupString.substring(0, j);
break;
}
}
if (commonPrefix.length() == 0 || commonPrefix.length() < presentPrefix.length()) {
return false;
}
}
if (commonPrefix.equals(presentPrefix)) {
return false;
}
for (int i = 0; i < listModel.getSize(); i++) {
LookupElement item = (LookupElement) listModel.getElementAt(i);
if (!itemMatcher(item).cloneWithPrefix(commonPrefix).prefixMatches(item)) {
return false;
}
}
myOffsets.setInitialPrefix(presentPrefix, explicitlyInvoked);
replacePrefix(presentPrefix, commonPrefix);
return true;
}
private void updateLookupWidth(LookupElement item, LookupElementPresentation presentation) {
final Font customFont = myCellRenderer.getFontAbleToDisplay(presentation);
if (customFont != null) {
myCustomFonts.put(item, customFont);
}
int maxWidth = myCellRenderer.updateMaximumWidth(presentation, item);
myLookupTextWidth = Math.max(maxWidth, myLookupTextWidth);
}
private void updateListHeight(ListModel model) {
myList.setFixedCellHeight(
myCellRenderer
.getListCellRendererComponent(myList, model.getElementAt(0), 0, false, false)
.getPreferredSize()
.height);
myList.setVisibleRowCount(
Math.min(model.getSize(), UISettings.getInstance().MAX_LOOKUP_LIST_HEIGHT));
}
private static int getItemToSelect(
LookupImpl lookup,
List<LookupElement> items,
boolean onExplicitAction,
@Nullable LookupElement mostRelevant) {
if (items.isEmpty() || lookup.getFocusDegree() == LookupImpl.FocusDegree.UNFOCUSED) {
return 0;
}
if (lookup.isSelectionTouched() || !onExplicitAction) {
final LookupElement lastSelection = lookup.getCurrentItem();
int old = ContainerUtil.indexOfIdentity(items, lastSelection);
if (old >= 0) {
return old;
}
Object selectedValue = ((LookupImpl) lookup).getList().getSelectedValue();
if (selectedValue instanceof EmptyLookupItem
&& ((EmptyLookupItem) selectedValue).isLoading()) {
int index = ((LookupImpl) lookup).getList().getSelectedIndex();
if (index >= 0 && index < items.size()) {
return index;
}
}
for (int i = 0; i < items.size(); i++) {
String invariant = PRESENTATION_INVARIANT.get(items.get(i));
if (invariant != null && invariant.equals(PRESENTATION_INVARIANT.get(lastSelection))) {
return i;
}
}
}
String selectedText = lookup.getEditor().getSelectionModel().getSelectedText();
for (int i = 0; i < items.size(); i++) {
LookupElement item = items.get(i);
if (isPrefixItem(lookup, item, true) && !isLiveTemplate(item)
|| item.getLookupString().equals(selectedText)) {
return i;
}
}
return Math.max(0, ContainerUtil.indexOfIdentity(items, mostRelevant));
}
private static void ensureEverythingVisibleAdded(
LookupImpl lookup,
final LinkedHashSet<LookupElement> model,
Iterator<LookupElement> byRelevance) {
JList list = lookup.getList();
final boolean testMode = ApplicationManager.getApplication().isUnitTestMode();
final int limit =
Math.max(list.getLastVisibleIndex(), model.size())
+ ourUISettings.MAX_LOOKUP_LIST_HEIGHT * 3;
addSomeItems(
model,
byRelevance,
new Condition<LookupElement>() {
@Override
public boolean value(LookupElement lastAdded) {
return !testMode && model.size() >= limit;
}
});
}
private static boolean shouldSkipAutoPopup(Editor editor, PsiFile psiFile) {
int offset = editor.getCaretModel().getOffset();
int psiOffset = Math.max(0, offset - 1);
PsiElement elementAt = InjectedLanguageUtil.findInjectedElementNoCommit(psiFile, psiOffset);
if (elementAt == null) {
elementAt = psiFile.findElementAt(psiOffset);
}
if (elementAt == null) return true;
Language language = PsiUtilCore.findLanguageFromElement(elementAt);
for (CompletionConfidence confidence : CompletionConfidenceEP.forLanguage(language)) {
final ThreeState result = confidence.shouldSkipAutopopup(elementAt, psiFile, offset);
if (result != ThreeState.UNSURE) {
LOG.debug(confidence + " has returned shouldSkipAutopopup=" + result);
return result == ThreeState.YES;
}
}
return false;
}
@NotNull
@Override
public Comparable weigh(@NotNull LookupElement element) {
final Object object = element.getObject();
final String name = getLookupObjectName(object);
if (name != null) {
int max = 0;
final List<String> wordsNoDigits = NameUtil.nameToWordsLowerCase(truncDigits(name));
for (ExpectedTypeInfo myExpectedInfo : myExpectedTypes) {
String expectedName = ((ExpectedTypeInfoImpl) myExpectedInfo).getExpectedName().compute();
if (expectedName != null) {
final THashSet<String> set =
new THashSet<String>(NameUtil.nameToWordsLowerCase(truncDigits(expectedName)));
set.retainAll(wordsNoDigits);
max = Math.max(max, set.size());
}
}
return -max;
}
return 0;
}
public int nextInvocationCount(int invocation, boolean reused) {
return reused ? Math.max(getParameters().getInvocationCount() + 1, 2) : invocation;
}