public String[] knownNamespaces() {
final PsiElement parentElement = getParent();
BidirectionalMap<String, String> map = initNamespaceMaps(parentElement);
Set<String> known = Collections.emptySet();
if (map != null) {
known = new HashSet<String>(map.values());
}
if (parentElement instanceof XmlTag) {
if (known.isEmpty()) return ((XmlTag) parentElement).knownNamespaces();
ContainerUtil.addAll(known, ((XmlTag) parentElement).knownNamespaces());
} else {
XmlExtension xmlExtension = XmlExtension.getExtensionByElement(this);
if (xmlExtension != null) {
final XmlFile xmlFile = xmlExtension.getContainingFile(this);
if (xmlFile != null) {
final XmlTag rootTag = xmlFile.getRootTag();
if (rootTag != null && rootTag != this) {
if (known.isEmpty()) return rootTag.knownNamespaces();
ContainerUtil.addAll(known, rootTag.knownNamespaces());
}
}
}
}
return ArrayUtil.toStringArray(known);
}
private static void fillFromSchema(PsiFile file, ElementNames names) {
if (!(file instanceof XmlFile)) return;
final XmlFile f = (XmlFile) file;
final XmlDocument d = f.getDocument();
if (d == null) return;
final XmlTag rootTag = d.getRootTag();
if (rootTag == null) return;
//noinspection unchecked
names.dependencies.add(new NSDeclTracker(rootTag));
try {
final Map<String, String> namespaceDeclarations = rootTag.getLocalNamespaceDeclarations();
final Collection<String> prefixes = namespaceDeclarations.keySet();
//noinspection unchecked
final Set<XmlElementDescriptor> history = new THashSet<XmlElementDescriptor>();
final XmlElementFactory ef = XmlElementFactory.getInstance(file.getProject());
int noSchemaNamespaces = 0;
for (String prefix : prefixes) {
final String namespace = namespaceDeclarations.get(prefix);
if (isIgnoredNamespace(prefix, namespace)) continue;
final XmlTag tag =
ef.createTagFromText("<dummy-tag xmlns='" + namespace + "' />", XMLLanguage.INSTANCE);
final XmlDocument document = PsiTreeUtil.getParentOfType(tag, XmlDocument.class);
final XmlNSDescriptor rootDescriptor = tag.getNSDescriptor(tag.getNamespace(), true);
if (rootDescriptor == null
|| (rootDescriptor instanceof XmlNSDescriptorImpl
&& ((XmlNSDescriptorImpl) rootDescriptor).getTag() == null)
|| !rootDescriptor.getDeclaration().isPhysical()) {
final QName any = QNameUtil.createAnyLocalName(namespace);
names.elementNames.add(any);
names.attributeNames.add(any);
noSchemaNamespaces++;
continue;
}
//noinspection unchecked
names.dependencies.add(rootDescriptor.getDescriptorFile());
final XmlElementDescriptor[] e = rootDescriptor.getRootElementsDescriptors(document);
for (XmlElementDescriptor descriptor : e) {
processElementDescriptors(descriptor, tag, names, history);
}
}
names.validateNames = names.elementNames.size() > noSchemaNamespaces;
// final QName any = QNameUtil.createAnyLocalName("");
// names.elementNames.add(any);
// names.attributeNames.add(any);
} catch (IncorrectOperationException e) {
Logger.getInstance(XsltContextProvider.class.getName()).error(e);
}
}
@Nullable
private PsiMetaOwner retrieveOwner(final XmlFile file, final String namespace) {
if (file == null) {
return namespace.equals(XmlUtil.getTargetSchemaNsFromTag(this)) ? this : null;
}
return file.getDocument();
}
@Nullable
private static XmlNSDescriptor getDtdDescriptor(@NotNull XmlFile containingFile) {
final XmlDocument document = containingFile.getDocument();
if (document == null) {
return null;
}
final String url = XmlUtil.getDtdUri(document);
if (url == null) {
return null;
}
return document.getDefaultNSDescriptor(url, true);
}
private static void collectNamesToImport(
@NotNull final Collection<Pair<String, Boolean>> names,
@NotNull final Collection<String> demandedForNested,
@NotNull XmlFile file) {
file.accept(
new JavaFxUsedClassesVisitor() {
@Override
protected void appendClassName(String fqn) {
names.add(Pair.create(fqn, false));
}
@Override
protected void appendDemandedPackageName(@NotNull String packageName) {
demandedForNested.add(packageName);
}
});
}
@NotNull
@Override
public Runnable processFile(final PsiFile file) {
VirtualFile vFile = file.getVirtualFile();
if (vFile instanceof VirtualFileWindow) vFile = ((VirtualFileWindow) vFile).getDelegate();
final Project project = file.getProject();
if (vFile == null
|| !ProjectRootManager.getInstance(project).getFileIndex().isInSourceContent(vFile)) {
return EmptyRunnable.INSTANCE;
}
final List<Pair<String, Boolean>> names = new ArrayList<Pair<String, Boolean>>();
final Set<String> demandedForNested = new HashSet<>();
collectNamesToImport(names, demandedForNested, (XmlFile) file);
Collections.sort(names, (o1, o2) -> StringUtil.compare(o1.first, o2.first, true));
final CodeStyleSettings settings = CodeStyleSettingsManager.getSettings(project);
final List<Pair<String, Boolean>> sortedNames =
ImportHelper.sortItemsAccordingToSettings(names, settings);
final HashSet<String> onDemand = new HashSet<String>();
ImportHelper.collectOnDemandImports(sortedNames, onDemand, settings);
onDemand.addAll(demandedForNested);
final Set<String> imported = new HashSet<String>();
final List<String> imports = new ArrayList<String>();
for (Pair<String, Boolean> pair : sortedNames) {
final String qName = pair.first;
final String packageName = StringUtil.getPackageName(qName);
if (imported.contains(packageName) || imported.contains(qName)) {
continue;
}
if (onDemand.contains(packageName)) {
imported.add(packageName);
imports.add("<?import " + packageName + ".*?>");
} else {
imported.add(qName);
imports.add("<?import " + qName + "?>");
}
}
final PsiFileFactory factory = PsiFileFactory.getInstance(file.getProject());
final XmlFile dummyFile =
(XmlFile)
factory.createFileFromText(
"_Dummy_.fxml", StdFileTypes.XML, StringUtil.join(imports, "\n"));
final XmlDocument document = dummyFile.getDocument();
final XmlProlog newImportList = document != null ? document.getProlog() : null;
if (newImportList == null) return EmptyRunnable.getInstance();
return () -> {
final XmlDocument xmlDocument = ((XmlFile) file).getDocument();
final XmlProlog prolog = xmlDocument != null ? xmlDocument.getProlog() : null;
if (prolog != null) {
final Collection<XmlProcessingInstruction> instructions =
PsiTreeUtil.findChildrenOfType(prolog, XmlProcessingInstruction.class);
for (final XmlProcessingInstruction instruction : instructions) {
final ASTNode node = instruction.getNode();
final ASTNode nameNode = node.findChildByType(XmlTokenType.XML_NAME);
if (nameNode != null && nameNode.getText().equals("import")) {
instruction.delete();
}
}
prolog.add(newImportList);
} else {
document.addBefore(newImportList, document.getRootTag());
}
};
}