public static String findUrl(PsiFile file, int offset, String uri) {
final PsiElement currentElement = file.findElementAt(offset);
final XmlAttribute attribute = PsiTreeUtil.getParentOfType(currentElement, XmlAttribute.class);
if (attribute != null) {
final XmlTag tag = PsiTreeUtil.getParentOfType(currentElement, XmlTag.class);
if (tag != null) {
final String prefix = tag.getPrefixByNamespace(XmlUtil.XML_SCHEMA_INSTANCE_URI);
if (prefix != null) {
final String attrValue =
tag.getAttributeValue(XmlUtil.SCHEMA_LOCATION_ATT, XmlUtil.XML_SCHEMA_INSTANCE_URI);
if (attrValue != null) {
final StringTokenizer tokenizer = new StringTokenizer(attrValue);
while (tokenizer.hasMoreElements()) {
if (uri.equals(tokenizer.nextToken())) {
if (!tokenizer.hasMoreElements()) return uri;
final String url = tokenizer.nextToken();
return url.startsWith(HTTP_PROTOCOL) ? url : uri;
}
if (!tokenizer.hasMoreElements()) return uri;
tokenizer.nextToken(); // skip file location
}
}
}
}
}
return uri;
}
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);
}
@Nullable
@NonNls
public String getSubTagText(@NonNls String qname) {
final XmlTag tag = findFirstSubTag(qname);
if (tag == null) return null;
return tag.getValue().getText();
}
public XmlNSDescriptor getNSDescriptor(final String namespace, boolean strict) {
final XmlTag parentTag = getParentTag();
if (parentTag == null && namespace.equals(XmlUtil.XHTML_URI)) {
final XmlNSDescriptor descriptor = getDtdDescriptor(XmlUtil.getContainingFile(this));
if (descriptor != null) {
return descriptor;
}
}
Map<String, CachedValue<XmlNSDescriptor>> map = initNSDescriptorsMap();
final CachedValue<XmlNSDescriptor> descriptor = map.get(namespace);
if (descriptor != null) {
final XmlNSDescriptor value = descriptor.getValue();
if (value != null) {
return value;
}
}
if (parentTag == null) {
final XmlDocument parentOfType = PsiTreeUtil.getParentOfType(this, XmlDocument.class);
if (parentOfType == null) {
return null;
}
return parentOfType.getDefaultNSDescriptor(namespace, strict);
}
return parentTag.getNSDescriptor(namespace, strict);
}
private static XmlTag createTag(
@NotNull XmlTag contextTag, @NotNull XmlElementDescriptor descriptor) {
String namespace = getNamespace(descriptor);
XmlTag tag = contextTag.createChildTag(descriptor.getName(), namespace, null, false);
PsiElement lastChild = tag.getLastChild();
assert lastChild != null;
lastChild.delete(); // remove XML_EMPTY_ELEMENT_END
return tag;
}
@Override
protected boolean isValidForFile(
@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) {
if (!(file instanceof XmlFile)) return false;
XmlTag contextTag = getContextTag(editor, file);
return contextTag != null
&& isInsideTagBody(contextTag, editor)
&& contextTag.getDescriptor() != null;
}
@NotNull
public XmlTag[] findSubTags(final String name, final String namespace) {
final XmlTag[] subTags = getSubTags();
final List<XmlTag> result = new ArrayList<XmlTag>();
for (final XmlTag subTag : subTags) {
if (namespace == null) {
if (name.equals(subTag.getName())) result.add(subTag);
} else if (name.equals(subTag.getLocalName()) && namespace.equals(subTag.getNamespace())) {
result.add(subTag);
}
}
return ContainerUtil.toArray(result, new XmlTag[result.size()]);
}
@Nullable
protected XmlElementDescriptor computeElementDescriptor() {
for (XmlElementDescriptorProvider provider :
Extensions.getExtensions(XmlElementDescriptorProvider.EP_NAME)) {
XmlElementDescriptor elementDescriptor = provider.getDescriptor(this);
if (elementDescriptor != null) {
return elementDescriptor;
}
}
final String namespace = getNamespace();
if (XmlUtil.EMPTY_URI.equals(namespace)) { // nonqualified items
final XmlTag parent = getParentTag();
if (parent != null) {
final XmlElementDescriptor descriptor = parent.getDescriptor();
if (descriptor != null) {
XmlElementDescriptor fromParent = descriptor.getElementDescriptor(this, parent);
if (fromParent != null && !(fromParent instanceof AnyXmlElementDescriptor)) {
return fromParent;
}
}
}
}
XmlElementDescriptor elementDescriptor = null;
final XmlNSDescriptor nsDescriptor = getNSDescriptor(namespace, false);
LOG.debug(
"Descriptor for namespace "
+ namespace
+ " is "
+ (nsDescriptor != null ? nsDescriptor.getClass().getCanonicalName() : "NULL"));
if (nsDescriptor != null) {
if (!DumbService.getInstance(getProject()).isDumb()
|| DumbService.isDumbAware(nsDescriptor)) {
elementDescriptor = nsDescriptor.getElementDescriptor(this);
}
}
if (elementDescriptor == null) {
return XmlUtil.findXmlDescriptorByType(this);
}
return elementDescriptor;
}
public static void generateTag(@NotNull XmlTag newTag, Editor editor) {
generateRaw(newTag);
final XmlTag restored = CodeInsightUtilCore.forcePsiPostprocessAndRestoreElement(newTag);
if (restored == null) {
LOG.error("Could not restore tag: " + newTag.getText());
}
TemplateBuilder builder = TemplateBuilderFactory.getInstance().createTemplateBuilder(restored);
replaceElements(restored, builder);
builder.run(editor, false);
}
private static void replaceElements(XmlTag tag, TemplateBuilder builder) {
for (XmlAttribute attribute : tag.getAttributes()) {
XmlAttributeValue value = attribute.getValueElement();
if (value != null) {
builder.replaceElement(value, TextRange.from(1, 0), new MacroCallNode(new CompleteMacro()));
}
}
if ("<".equals(tag.getText())) {
builder.replaceElement(
tag, TextRange.from(1, 0), new MacroCallNode(new CompleteSmartMacro()));
} else if (tag.getSubTags().length == 0) {
int i = tag.getText().indexOf("></");
if (i > 0) {
builder.replaceElement(
tag, TextRange.from(i + 1, 0), new MacroCallNode(new CompleteMacro()));
}
}
for (XmlTag subTag : tag.getSubTags()) {
replaceElements(subTag, builder);
}
}
private static void generateRaw(final @NotNull XmlTag newTag) {
XmlElementDescriptor selected = newTag.getDescriptor();
if (selected == null) return;
switch (selected.getContentType()) {
case XmlElementDescriptor.CONTENT_TYPE_EMPTY:
newTag.collapseIfEmpty();
ASTNode node = newTag.getNode();
assert node != null;
ASTNode elementEnd = node.findChildByType(XmlTokenType.XML_EMPTY_ELEMENT_END);
if (elementEnd == null) {
LeafElement emptyTagEnd =
Factory.createSingleLeafElement(
XmlTokenType.XML_EMPTY_ELEMENT_END, "/>", 0, 2, null, newTag.getManager());
node.addChild(emptyTagEnd);
}
break;
case XmlElementDescriptor.CONTENT_TYPE_MIXED:
newTag.getValue().setText("");
}
for (XmlAttributeDescriptor descriptor : selected.getAttributesDescriptors(newTag)) {
if (descriptor.isRequired()) {
newTag.setAttribute(descriptor.getName(), "");
}
}
List<XmlElementDescriptor> tags = getRequiredSubTags(selected);
for (XmlElementDescriptor descriptor : tags) {
if (descriptor == null) {
XmlTag tag =
XmlElementFactory.getInstance(newTag.getProject())
.createTagFromText("<", newTag.getLanguage());
newTag.addSubTag(tag, false);
} else {
XmlTag subTag = newTag.addSubTag(createTag(newTag, descriptor), false);
generateRaw(subTag);
}
}
}
@Nullable
private static XmlTag getAnchor(
@NotNull XmlTag contextTag, Editor editor, XmlElementDescriptor selected) {
XmlContentDFA contentDFA = XmlContentDFA.getContentDFA(contextTag);
int offset = editor.getCaretModel().getOffset();
if (contentDFA == null) {
return null;
}
XmlTag anchor = null;
boolean previousPositionIsPossible = true;
for (XmlTag subTag : contextTag.getSubTags()) {
if (contentDFA.getPossibleElements().contains(selected)) {
if (subTag.getTextOffset() > offset) {
break;
}
anchor = subTag;
previousPositionIsPossible = true;
} else {
previousPositionIsPossible = false;
}
contentDFA.transition(subTag);
}
return previousPositionIsPossible ? null : anchor;
}
@Override
public void invoke(
@NotNull final Project project, @NotNull final Editor editor, @NotNull final PsiFile file) {
if (!CodeInsightUtilBase.prepareEditorForWrite(editor)) return;
try {
final XmlTag contextTag = getContextTag(editor, file);
if (contextTag == null) {
throw new CommonRefactoringUtil.RefactoringErrorHintException(
"Caret should be positioned inside a tag");
}
XmlElementDescriptor currentTagDescriptor = contextTag.getDescriptor();
assert currentTagDescriptor != null;
final XmlElementDescriptor[] descriptors =
currentTagDescriptor.getElementsDescriptors(contextTag);
Arrays.sort(
descriptors,
new Comparator<XmlElementDescriptor>() {
@Override
public int compare(XmlElementDescriptor o1, XmlElementDescriptor o2) {
return o1.getName().compareTo(o2.getName());
}
});
final JBList list = new JBList(descriptors);
list.setCellRenderer(new MyListCellRenderer());
Runnable runnable =
new Runnable() {
@Override
public void run() {
final XmlElementDescriptor selected = (XmlElementDescriptor) list.getSelectedValue();
new WriteCommandAction.Simple(project, "Generate XML Tag", file) {
@Override
protected void run() {
if (selected == null) return;
XmlTag newTag = createTag(contextTag, selected);
PsiElement anchor = getAnchor(contextTag, editor, selected);
if (anchor == null) { // insert it in the cursor position
int offset = editor.getCaretModel().getOffset();
Document document = editor.getDocument();
document.insertString(offset, newTag.getText());
PsiDocumentManager.getInstance(project).commitDocument(document);
newTag =
PsiTreeUtil.getParentOfType(
file.findElementAt(offset + 1), XmlTag.class, false);
} else {
newTag = (XmlTag) contextTag.addAfter(newTag, anchor);
}
if (newTag != null) {
generateTag(newTag, editor);
}
}
}.execute();
}
};
if (ApplicationManager.getApplication().isUnitTestMode()) {
XmlElementDescriptor descriptor =
ContainerUtil.find(
descriptors,
new Condition<XmlElementDescriptor>() {
@Override
public boolean value(XmlElementDescriptor xmlElementDescriptor) {
return xmlElementDescriptor.getName().equals(TEST_THREAD_LOCAL.get());
}
});
list.setSelectedValue(descriptor, false);
runnable.run();
} else {
JBPopupFactory.getInstance()
.createListPopupBuilder(list)
.setTitle("Choose Tag Name")
.setItemChoosenCallback(runnable)
.setFilteringEnabled(
new Function<Object, String>() {
@Override
public String fun(Object o) {
return ((XmlElementDescriptor) o).getName();
}
})
.createPopup()
.showInBestPositionFor(editor);
}
} catch (CommonRefactoringUtil.RefactoringErrorHintException e) {
HintManager.getInstance().showErrorHint(editor, e.getMessage());
}
}
private static boolean isInsideTagBody(XmlTag contextTag, @NotNull Editor editor) {
return contextTag.getValue().getTextRange().contains(editor.getCaretModel().getOffset());
}
@Override
public void annotate(@NotNull final PsiElement element, @NotNull AnnotationHolder holder) {
final PsiFile containingFile = element.getContainingFile();
if (!JavaFxFileTypeFactory.isFxml(containingFile)) return;
if (element instanceof XmlAttributeValue) {
final String value = ((XmlAttributeValue) element).getValue();
if (!JavaFxPsiUtil.isExpressionBinding(value)
&& !JavaFxPsiUtil.isIncorrectExpressionBinding(value)) {
final PsiReference[] references = element.getReferences();
for (PsiReference reference : references) {
if (reference instanceof JavaFxColorReference) {
attachColorIcon(element, holder, StringUtil.unquoteString(element.getText()));
continue;
}
final PsiElement resolve = reference.resolve();
if (resolve instanceof PsiMember) {
if (!JavaFxPsiUtil.isVisibleInFxml((PsiMember) resolve)) {
final String symbolPresentation =
"'" + SymbolPresentationUtil.getSymbolPresentableText(resolve) + "'";
final Annotation annotation =
holder.createErrorAnnotation(
element,
symbolPresentation
+ (resolve instanceof PsiClass
? " should be public"
: " should be public or annotated with @FXML"));
if (!(resolve instanceof PsiClass)) {
annotation.registerUniversalFix(
new AddAnnotationFix(
JavaFxCommonNames.JAVAFX_FXML_ANNOTATION,
(PsiMember) resolve,
ArrayUtil.EMPTY_STRING_ARRAY),
null,
null);
}
}
}
}
}
} else if (element instanceof XmlAttribute) {
final XmlAttribute attribute = (XmlAttribute) element;
final String attributeName = attribute.getName();
if (!FxmlConstants.FX_BUILT_IN_ATTRIBUTES.contains(attributeName)
&& !attribute.isNamespaceDeclaration()
&& JavaFxPsiUtil.isReadOnly(attributeName, attribute.getParent())) {
holder.createErrorAnnotation(
element.getNavigationElement(), "Property '" + attributeName + "' is read-only");
}
if (FxmlConstants.SOURCE.equals(attributeName)) {
final XmlAttributeValue valueElement = attribute.getValueElement();
if (valueElement != null) {
final XmlTag xmlTag = attribute.getParent();
if (xmlTag != null) {
final XmlTag referencedTag = JavaFxBuiltInTagDescriptor.getReferencedTag(xmlTag);
if (referencedTag != null) {
if (referencedTag.getTextOffset() > xmlTag.getTextOffset()) {
holder.createErrorAnnotation(
valueElement.getValueTextRange(), valueElement.getValue() + " not found");
} else if (xmlTag.getParentTag() == referencedTag.getParentTag()) {
final Annotation annotation =
holder.createErrorAnnotation(
valueElement.getValueTextRange(), "Duplicate child added");
annotation.registerFix(
new JavaFxWrapWithDefineIntention(referencedTag, valueElement.getValue()));
}
}
}
}
}
} else if (element instanceof XmlTag) {
if (FxmlConstants.FX_SCRIPT.equals(((XmlTag) element).getName())) {
final XmlTagValue tagValue = ((XmlTag) element).getValue();
if (!StringUtil.isEmptyOrSpaces(tagValue.getText())) {
final List<String> langs =
JavaFxPsiUtil.parseInjectedLanguages((XmlFile) element.getContainingFile());
if (langs.isEmpty()) {
final ASTNode openTag = element.getNode().findChildByType(XmlTokenType.XML_NAME);
final Annotation annotation =
holder.createErrorAnnotation(
openTag != null ? openTag.getPsi() : element, "Page language not specified.");
annotation.registerFix(new JavaFxInjectPageLanguageIntention());
}
}
}
}
}
