@NbBundle.Messages({
"# {0} - NS prefix",
"ERR_undeclaredElementPrefix=XML namespace prefix ''{0}'' is undeclared"
})
@Override
public void startElement(String uri, String localName, String qName, Attributes atts)
throws SAXException {
this.tagName = localName;
FxNode newElement;
start = contentLocator.getElementOffset();
end = contentLocator.getEndOffset();
addElementErrors();
if (uri == null && !qName.equals(localName)) {
// undeclared prefix
int prefColon = qName.indexOf(':');
String prefix = qName.substring(0, prefColon);
addError("undeclared-prefix", ERR_undeclaredElementPrefix(prefix));
newElement = accessor.createErrorElement(localName);
} else if ("".equals(localName)) {
newElement = accessor.createErrorElement(localName);
} else if (FXML_FX_NAMESPACE.equals(uri)) {
newElement = handleFxmlElement(localName, atts);
} else {
// non-fx namespace, should be either an instance, or a property or an event
String eventName = FxXmlSymbols.getEventHandlerName(localName);
if (rootComponent == null || FxXmlSymbols.isClassTagName(localName)) {
newElement = handleClassTag(localName, atts);
} else if (eventName != null) {
newElement = handleEventHandlerTag(eventName);
} else {
newElement = handlePropertyTag(localName, atts);
}
}
if (newElement == null) {
throw new IllegalStateException();
}
initElement(newElement);
FxNode newNode = newElement;
// if not broken attempt to attach the Element to a parent
if (!newElement.isBroken()) {
if (newElement instanceof FxObjectBase) {
newNode = attachInstance((FxObjectBase) newElement);
} else if (newElement instanceof PropertyValue) {
newNode = attachProperty((PropertyValue) newElement);
}
}
attachChildNode(newNode);
// process attributes, iff it is an instance. Attribute processing needs the node pushed
// on the stack, so it is delayed after attachChildNode
if (newNode.getKind() == Kind.Instance) {
processInstanceAttributes(atts);
}
}
@NbBundle.Messages({
"# {0} - attribute local name",
"ERR_unexpectedReferenceAttribute=Unexpected attribute in fx:reference or fx:copy: {0}",
"ERR_missingReferenceSource=Missing 'source' attribute in fx:reference or fx:copy"
})
private FxNode handleFxReference(Attributes atts, boolean copy) {
String refId = null;
String id = null;
for (int i = 0; i < atts.getLength(); i++) {
String ns = atts.getURI(i);
String name = atts.getLocalName(i);
if (!FXML_FX_NAMESPACE.equals(ns)) {
if (FX_ATTR_REFERENCE_SOURCE.equals(name) && refId == null) {
refId = atts.getValue(i);
} else if (!copy) {
// error, references do not support normal attributes
addAttributeError(
atts.getQName(i),
"invalid-reference-attribute",
ERR_unexpectedReferenceAttribute(name),
name);
}
} else {
if (FX_ID.equals(name) && id == null) {
id = atts.getValue(i);
} else {
// error, unexpected attribute
addAttributeError(
atts.getQName(i),
"invalid-reference-attribute",
ERR_unexpectedReferenceAttribute(name),
name);
}
}
}
FxObjectBase ref = accessor.createCopyReference(copy, refId);
if (refId == null || "".equals(refId)) {
// error, no source attribute found
addError("missing-reference-source", ERR_missingReferenceSource());
accessor.makeBroken(ref);
}
return ref;
}
@NbBundle.Messages({
"# {0} - attribute name",
"ERR_lowercasePropertyName=Invalid property name: {0}. Property name, or the last component of a static property name must start with lowercase.",
"# {0} - attribute name",
"ERR_invalidReservedPropertyName=Unknown name in FXML reserved namespace: {0}",
"# {0} - attribute qname",
"# {1} - tag name",
"ERR_unsupportedAttribute=Unsupported attribute {0} on {1}"
})
private void processInstanceAttributes(Attributes atts) {
for (int i = 0; i < atts.getLength(); i++) {
String uri = atts.getURI(i);
String name = atts.getLocalName(i);
String qname = atts.getQName(i);
PropertySetter ps = null;
FxNode node;
if (qname.startsWith("xmlns")) { // NOI18N
// FIXME - xmlns attributes will be represented as FxNodes :-/
continue;
}
if (FXML_FX_NAMESPACE.equals(uri)) {
if (!(FX_ID.equals(name)
|| FX_CONTROLLER.equals(name)
|| FX_VALUE.equals(name)
|| FX_FACTORY.contains(name))) {
addAttributeError(
qname,
"error-unsupported-attribute",
ERR_unsupportedAttribute(qname, tagName),
qname,
tagName);
}
continue;
}
if (current instanceof FxInstanceCopy) {
if (FxXmlSymbols.FX_ATTR_REFERENCE_SOURCE.equals(name) && uri == null) {
// ignore source in fx:copy
continue;
}
}
// if the name begins with "on", it's an event handler.
if (name.startsWith(EVENT_HANDLER_PREFIX) && name.length() > EVENT_HANDLER_PREFIX_LEN) {
String en =
Character.toLowerCase(name.charAt(EVENT_HANDLER_PREFIX_LEN))
+ name.substring(EVENT_HANDLER_PREFIX_LEN + 1);
node = processEventHandlerAttribute(en, atts.getValue(i));
// special hack for fx:copy or fx:reference
} else {
// FIXME - error detection for static property
int stProp = FxXmlSymbols.findStaticProperty(name);
if (stProp == -2) {
// report error, not a well formed property name.
addAttributeError(qname, "invalid-property-name", ERR_lowercasePropertyName(name), name);
node = accessor.makeBroken(accessor.createProperty(name, false));
} else if (stProp == -1) {
// this is a normal property
node = ps = accessor.createProperty(name, false);
} else {
// it is a static property
node =
ps =
accessor.createStaticProperty(
name.substring(stProp + 1), name.substring(0, stProp));
}
if (ps != null) {
accessor.addContent(ps, atts.getValue(i));
node = ps;
}
}
initAttribute(node, qname);
attachProperty(ps);
attachChildNode(node);
}
}
@NbBundle.Messages({
"# {0} - tag name",
"ERR_tagNotJavaIdentifier=Invalid class name: {0}",
"# {0} - tag name",
"ERR_fxControllerPermittedOnRoot=fx:controller is not permitted on tag {0}. Can be only present on root element."
})
private FxNewInstance handleClassTag(String localName, Attributes atts) {
String fxValueContent = null;
String fxFactoryContent = null;
String fxId = null;
int off = contentLocator.getElementOffset() + 1; // the <
for (int i = 0; i < atts.getLength(); i++) {
String uri = atts.getURI(i);
if (!FXML_FX_NAMESPACE.equals(uri)) {
// no special attribute
continue;
}
String name = atts.getLocalName(i);
if (FX_VALUE.equals(name)) {
fxValueContent = atts.getValue(i);
} else if (FX_FACTORY.equals(name)) {
fxFactoryContent = atts.getValue(i);
} else if (FX_ID.equals(name)) {
fxId = atts.getValue(i);
} else if (FX_CONTROLLER.equals(name)) {
if (nodeStack.peek().getKind() != Kind.Source) {
addAttributeError(
atts.getQName(i),
"fx-controller-permitted-on-root",
ERR_fxControllerPermittedOnRoot(localName),
localName);
} else {
controllerName = atts.getValue(i);
}
} else {
addAttributeError(
atts.getQName(i),
"invalid-property-reserved-name",
ERR_invalidReservedPropertyName(name),
name);
}
}
// first we must check how this class tag is created.
FxNewInstance instance =
accessor.createInstance(localName, fxValueContent, fxFactoryContent, fxId);
if (!FxXmlSymbols.isQualifiedIdentifier(localName)) {
// not a java identifier, error
addError(
new ErrorMark(
off,
localName.length(),
"invalid-class-name",
ERR_tagNotJavaIdentifier(localName),
localName));
accessor.makeBroken(instance);
return instance;
}
return instance;
}