// returns true if processor is run or is going to be run after showing popup
public static boolean chooseAmbiguousTarget(
@NotNull Editor editor,
int offset,
@NotNull PsiElementProcessor<PsiElement> processor,
@NotNull String titlePattern,
@Nullable PsiElement[] elements) {
if (TargetElementUtil.inVirtualSpace(editor, offset)) {
return false;
}
final PsiReference reference = TargetElementUtil.findReference(editor, offset);
if (elements == null || elements.length == 0) {
elements =
reference == null
? PsiElement.EMPTY_ARRAY
: PsiUtilCore.toPsiElementArray(
underModalProgress(
reference.getElement().getProject(),
"Resolving Reference...",
() -> suggestCandidates(reference)));
}
if (elements.length == 1) {
PsiElement element = elements[0];
LOG.assertTrue(element != null);
processor.execute(element);
return true;
}
if (elements.length > 1) {
String title;
if (reference == null) {
title = titlePattern;
} else {
final TextRange range = reference.getRangeInElement();
final String elementText = reference.getElement().getText();
LOG.assertTrue(
range.getStartOffset() >= 0 && range.getEndOffset() <= elementText.length(),
Arrays.toString(elements) + ";" + reference);
final String refText = range.substring(elementText);
title = MessageFormat.format(titlePattern, refText);
}
NavigationUtil.getPsiElementPopup(
elements, new DefaultPsiElementCellRenderer(), title, processor)
.showInBestPositionFor(editor);
return true;
}
return false;
}
private static boolean processTagsInNamespaceInner(
@NotNull final XmlTag rootTag,
final String[] tagNames,
final PsiElementProcessor<XmlTag> processor,
Set<XmlTag> visitedTags) {
if (visitedTags == null) visitedTags = new HashSet<XmlTag>(3);
else if (visitedTags.contains(rootTag)) return true;
visitedTags.add(rootTag);
XmlTag[] tags = rootTag.getSubTags();
NextTag:
for (XmlTag tag : tags) {
for (String tagName : tagNames) {
if (equalsToSchemaName(tag, tagName)) {
final String name = tag.getAttributeValue("name");
if (name != null) {
if (!processor.execute(tag)) {
return false;
}
}
continue NextTag;
}
}
if (equalsToSchemaName(tag, INCLUDE_TAG_NAME)) {
final String schemaLocation = tag.getAttributeValue("schemaLocation");
if (schemaLocation != null) {
final XmlFile xmlFile =
XmlUtil.findNamespaceByLocation(rootTag.getContainingFile(), schemaLocation);
if (xmlFile != null) {
final XmlDocument includedDocument = xmlFile.getDocument();
if (includedDocument != null) {
if (!processTagsInNamespaceInner(
includedDocument.getRootTag(), tagNames, processor, visitedTags)) return false;
}
}
}
}
}
return true;
}
@NotNull
public static <T extends PsiElement> JBPopup getPsiElementPopup(
@NotNull T[] elements,
@NotNull final PsiElementListCellRenderer<T> renderer,
@Nullable final String title,
@NotNull final PsiElementProcessor<T> processor,
@Nullable final T selection) {
final JList list =
new JBListWithHintProvider(elements) {
@Nullable
@Override
protected PsiElement getPsiElementForHint(Object selectedValue) {
return (PsiElement) selectedValue;
}
};
list.setCellRenderer(renderer);
list.setFont(EditorUtil.getEditorFont());
if (selection != null) {
list.setSelectedValue(selection, true);
}
final Runnable runnable =
() -> {
int[] ids = list.getSelectedIndices();
if (ids == null || ids.length == 0) return;
for (Object element : list.getSelectedValues()) {
if (element != null) {
processor.execute((T) element);
}
}
};
PopupChooserBuilder builder = new PopupChooserBuilder(list);
if (title != null) {
builder.setTitle(title);
}
renderer.installSpeedSearch(builder, true);
JBPopup popup = builder.setItemChoosenCallback(runnable).createPopup();
builder.getScrollPane().setBorder(null);
builder.getScrollPane().setViewportBorder(null);
return popup;
}
@Override
public Object[] getFileReferenceCompletionVariants(final FileReference reference) {
final String s = reference.getText();
if (s != null && s.equals("/")) {
return ArrayUtil.EMPTY_OBJECT_ARRAY;
}
final CommonProcessors.CollectUniquesProcessor<PsiFileSystemItem> collector =
new CommonProcessors.CollectUniquesProcessor<PsiFileSystemItem>();
final PsiElementProcessor<PsiFileSystemItem> processor =
new PsiElementProcessor<PsiFileSystemItem>() {
@Override
public boolean execute(@NotNull PsiFileSystemItem fileSystemItem) {
return new FilteringProcessor<PsiFileSystemItem>(
reference.getFileReferenceSet().getReferenceCompletionFilter(), collector)
.process(FileReference.getOriginalFile(fileSystemItem));
}
};
List<Object> additionalItems = ContainerUtil.newArrayList();
for (PsiFileSystemItem context : reference.getContexts()) {
for (final PsiElement child : context.getChildren()) {
if (child instanceof PsiFileSystemItem) {
processor.execute((PsiFileSystemItem) child);
}
}
if (context instanceof FileReferenceResolver) {
additionalItems.addAll(((FileReferenceResolver) context).getVariants(reference));
}
}
final FileType[] types = reference.getFileReferenceSet().getSuitableFileTypes();
final THashSet<PsiElement> set =
new THashSet<PsiElement>(collector.getResults(), VARIANTS_HASHING_STRATEGY);
final PsiElement[] candidates = PsiUtilCore.toPsiElementArray(set);
final Object[] variants = new Object[candidates.length + additionalItems.size()];
for (int i = 0; i < candidates.length; i++) {
PsiElement candidate = candidates[i];
Object item = reference.createLookupItem(candidate);
if (item == null) {
item = FileInfoManager.getFileLookupItem(candidate);
}
if (candidate instanceof PsiFile
&& item instanceof LookupElement
&& types.length > 0
&& ArrayUtil.contains(((PsiFile) candidate).getFileType(), types)) {
item = PrioritizedLookupElement.withPriority((LookupElement) item, Double.MAX_VALUE);
}
variants[i] = item;
}
for (int i = 0; i < additionalItems.size(); i++) {
variants[i + candidates.length] = additionalItems.get(i);
}
if (!reference.getFileReferenceSet().isUrlEncoded()) {
return variants;
}
List<Object> encodedVariants = new ArrayList<Object>(variants.length + additionalItems.size());
for (int i = 0; i < candidates.length; i++) {
final PsiElement element = candidates[i];
if (element instanceof PsiNamedElement) {
final PsiNamedElement psiElement = (PsiNamedElement) element;
String name = psiElement.getName();
final String encoded = reference.encode(name, psiElement);
if (encoded == null) continue;
if (!encoded.equals(name)) {
final Icon icon =
psiElement.getIcon(Iconable.ICON_FLAG_READ_STATUS | Iconable.ICON_FLAG_VISIBILITY);
LookupElementBuilder item =
FileInfoManager.getFileLookupItem(candidates[i], encoded, icon);
encodedVariants.add(item.withTailText(" (" + name + ")"));
} else {
encodedVariants.add(variants[i]);
}
}
}
encodedVariants.addAll(additionalItems);
return ArrayUtil.toObjectArray(encodedVariants);
}