/** Runs the script. */
public void handleEvent(Event evt) {
Element elt = (Element) evt.getCurrentTarget();
// Evaluate the script
String script = handlerElement.getTextContent();
if (script.length() == 0) return;
DocumentLoader dl = bridgeContext.getDocumentLoader();
AbstractDocument d = (AbstractDocument) handlerElement.getOwnerDocument();
int line = dl.getLineNumber(handlerElement);
final String desc =
Messages.formatMessage(
HANDLER_SCRIPT_DESCRIPTION,
new Object[] {d.getDocumentURI(), eventNamespaceURI, eventType, new Integer(line)});
// Find the scripting language
String lang =
handlerElement.getAttributeNS(null, SVGConstants.SVG_CONTENT_SCRIPT_TYPE_ATTRIBUTE);
if (lang.length() == 0) {
Element e = elt;
while (e != null
&& (!SVGConstants.SVG_NAMESPACE_URI.equals(e.getNamespaceURI())
|| !SVGConstants.SVG_SVG_TAG.equals(e.getLocalName()))) {
e = SVGUtilities.getParentElement(e);
}
if (e == null) return;
lang = e.getAttributeNS(null, SVGConstants.SVG_CONTENT_SCRIPT_TYPE_ATTRIBUTE);
}
runEventHandler(script, evt, lang, desc);
}
/** Tells whether the given SVG document is dynamic. */
public static boolean isDynamicDocument(BridgeContext ctx, Document doc) {
Element elt = doc.getDocumentElement();
if ((elt != null) && SVGConstants.SVG_NAMESPACE_URI.equals(elt.getNamespaceURI())) {
if (elt.getAttributeNS(null, SVGConstants.SVG_ONABORT_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONERROR_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONRESIZE_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONUNLOAD_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONSCROLL_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONZOOM_ATTRIBUTE).length() > 0) {
return true;
}
return isDynamicElement(ctx, doc.getDocumentElement());
}
return false;
}
/** Removes the scripting listeners from the given element. */
protected void removeScriptingListenersOn(Element elt) {
String eltNS = elt.getNamespaceURI();
String eltLN = elt.getLocalName();
if (SVGConstants.SVG_NAMESPACE_URI.equals(eltNS)
&& SVG12Constants.SVG_HANDLER_TAG.equals(eltLN)) {
// For this 'handler' element, remove the handler for the given
// event type.
AbstractElement tgt = (AbstractElement) elt.getParentNode();
String eventType =
elt.getAttributeNS(
XMLConstants.XML_EVENTS_NAMESPACE_URI, XMLConstants.XML_EVENTS_EVENT_ATTRIBUTE);
String eventNamespaceURI = XMLConstants.XML_EVENTS_NAMESPACE_URI;
if (eventType.indexOf(':') != -1) {
String prefix = DOMUtilities.getPrefix(eventType);
eventType = DOMUtilities.getLocalName(eventType);
eventNamespaceURI = ((AbstractElement) elt).lookupNamespaceURI(prefix);
}
EventListener listener =
(EventListener) handlerScriptingListeners.put(eventNamespaceURI, eventType, elt, null);
tgt.removeEventListenerNS(eventNamespaceURI, eventType, listener, false);
}
super.removeScriptingListenersOn(elt);
}
/** Tells whether the given SVG element is dynamic. */
public static boolean isDynamicElement(Element elt, BridgeContext ctx, List bridgeExtensions) {
Iterator i = bridgeExtensions.iterator();
while (i.hasNext()) {
BridgeExtension bridgeExtension = (BridgeExtension) i.next();
if (bridgeExtension.isDynamicElement(elt)) {
return true;
}
}
if (SVGConstants.SVG_NAMESPACE_URI.equals(elt.getNamespaceURI())) {
if (elt.getAttributeNS(null, SVGConstants.SVG_ONKEYUP_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONKEYDOWN_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONKEYPRESS_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONLOAD_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONERROR_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONACTIVATE_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONCLICK_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONFOCUSIN_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONFOCUSOUT_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONMOUSEDOWN_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONMOUSEMOVE_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONMOUSEOUT_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONMOUSEOVER_ATTRIBUTE).length() > 0) {
return true;
}
if (elt.getAttributeNS(null, SVGConstants.SVG_ONMOUSEUP_ATTRIBUTE).length() > 0) {
return true;
}
}
for (Node n = elt.getFirstChild(); n != null; n = n.getNextSibling()) {
if (n.getNodeType() == Node.ELEMENT_NODE) {
if (isDynamicElement(ctx, (Element) n)) {
return true;
}
}
}
return false;
}
