@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
addElementErrors();
FxNode node = nodeStack.pop();
i(node).endsAt(contentLocator.getEndOffset()).endContent(contentLocator.getElementOffset());
if (node instanceof PropertySetter) {
PropertySetter s = (PropertySetter) node;
if (s.isImplicit()) {
// actually the outer element ends
node = nodeStack.pop();
// copy the offset information
i(node).endsAt(contentLocator.getEndOffset()).endContent(contentLocator.getElementOffset());
}
}
String tn = node.getSourceName();
if (!tn.equals(localName)) {
throw new IllegalStateException();
}
// special hack for parent nodes, which are implicit property setters:
FxNode parentNode = nodeStack.peek();
if (parentNode instanceof PropertySetter) {
PropertySetter ps = (PropertySetter) parentNode;
if (ps.isImplicit() && ps.getContent() == null) {
i(ps).endsAt(contentLocator.getEndOffset()).endContent(contentLocator.getEndOffset());
}
}
if (!nodeStack.isEmpty() && nodeStack.peek().getKind() == Kind.Instance) {
current = (FxInstance) nodeStack.peek();
} else {
current = null;
}
}
@Override
public void characterSequence(CharSequence seq) {
addElementErrors();
int length = seq.length();
FxNode node = nodeStack.peek();
FxNode addedNode = null;
switch (node.getKind()) {
case Event:
addedNode = handleEventContent(seq);
break;
case Instance:
addedNode = handleInstanceContent(seq);
break;
case Property:
addedNode = handlePropertyContent(seq);
break;
default:
addError(
new ErrorMark(
contentLocator.getElementOffset(),
length,
"unexpected-characters",
ERR_unexpectedCharacters()));
}
if (addedNode != null) {
i(addedNode).endsAt(contentLocator.getEndOffset());
}
}
@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);
}
}
private void pushInstance(FxNode instance) {
nodeStack.push(instance);
if (instance.getKind() == Kind.Instance) {
current = (FxInstance) instance;
} else {
current = null;
}
}
@NbBundle.Messages({
"# {0} - parent tag local name",
"ERR_doesNotAcceptProperty=The parent element {0} does not accept properties"
})
private FxNode attachProperty(PropertyValue p) {
// FIXME - if 'current' is null,
if (current == null) {
FxNode node = nodeStack.peek();
addError(
new ErrorMark(
start,
end - start,
"parent-not-accept-property",
ERR_doesNotAcceptProperty(node.getSourceName()),
node));
accessor.makeBroken(p);
}
return p;
}
private void attachChildNode(FxNode node) {
FxNode top = nodeStack.peek();
i(top).addChild(node);
// if (!node.isBroken() && (node.getKind() != FxNode.Kind.Element)) {
accessor.attach(node, fxModel);
if (!node.isBroken()) {
accessor.addChild(top, node);
}
if (i(node).isElement()) {
pushInstance(node);
}
}
/**
* Checks that the instance is allowed in this context. May even create e.g. default property
* setter etc. Will return true, if the instance can be attached to the parent.
*/
@NbBundle.Messages({
"# {0} - tag name",
"ERR_moreRootElements=Duplicate root element: {0}",
"ERR_instanceInMapProperty=Cannot add instances directly to readonly Map",
"# {0} - parent tag name",
"ERR_parentNotSupportInstance=Instances cannot be added to the parent {0}"
})
private FxNode attachInstance(FxObjectBase instance) {
String localName = instance.getSourceName();
int off = contentLocator.getElementOffset() + 1;
// check the parent, whether it is appropriate to host such a node:
FxNode parent = nodeStack.peek();
if (parent.getKind() == Kind.Instance) {
// pretend we have a default property
PropertySetter s = accessor.createProperty(null, true);
i(s).startAt(contentLocator.getElementOffset());
attachChildNode(s);
parent = s;
}
if (parent.getKind() == Kind.Source) {
FxObjectBase old = rootComponent;
if (old != null) {
addError(
new ErrorMark(
off,
contentLocator.getEndOffset() - off,
"duplicate-root",
ERR_moreRootElements(localName),
localName));
accessor.makeBroken(instance);
} else if (!(instance instanceof FxInstance)) {
// FIXME - report error that fx:reference is not accepted on root element
throw new UnsupportedOperationException();
} else {
rootComponent = (FxInstance) instance;
}
} else if (parent.getKind() == Kind.Property) {
if (parent instanceof MapProperty) {
addError(
new ErrorMark(
off,
contentLocator.getEndOffset() - off,
"instance-in-map-property",
ERR_instanceInMapProperty(),
localName));
accessor.makeBroken(instance);
}
} else if (parent.getKind() == Kind.Element
&& parent.getSourceName().equals(FxXmlSymbols.FX_DEFINITIONS)
&& (instance instanceof FxNewInstance)) {
instanceDefinitions.add((FxNewInstance) instance);
} else {
if (parent.getKind() != Kind.Error) {
addError(
new ErrorMark(
off,
contentLocator.getEndOffset() - off,
"parent-not-support-instance",
ERR_parentNotSupportInstance(parent.getSourceName())));
accessor.makeBroken(instance);
}
}
return instance;
}
