/** Method to dispatch SVG Resize event. */
protected void dispatchSVGResizeEvent() {
if (bridgeContext.isSVG12()) {
dispatchSVGDocEvent("resize");
} else {
dispatchSVGDocEvent("SVGResize");
}
}
/** Method to dispatch SVG Zoom event. */
protected void dispatchSVGZoomEvent() {
if (bridgeContext.isSVG12()) {
dispatchSVGDocEvent("zoom");
} else {
dispatchSVGDocEvent("SVGZoom");
}
}
/** Method to dispatch SVG Scroll event. */
protected void dispatchSVGScrollEvent() {
if (bridgeContext.isSVG12()) {
dispatchSVGDocEvent("scroll");
} else {
dispatchSVGDocEvent("SVGScroll");
}
}
/** Auxiliary method for dispatchSVGLoad. */
protected void dispatchSVGLoad(Element elt, boolean checkCanRun, String lang) {
for (Node n = elt.getFirstChild(); n != null; n = n.getNextSibling()) {
if (n.getNodeType() == Node.ELEMENT_NODE) {
dispatchSVGLoad((Element) n, checkCanRun, lang);
}
}
DocumentEvent de = (DocumentEvent) elt.getOwnerDocument();
AbstractEvent ev = (AbstractEvent) de.createEvent("SVGEvents");
String type;
if (bridgeContext.isSVG12()) {
type = "load";
} else {
type = "SVGLoad";
}
ev.initEventNS(XMLConstants.XML_EVENTS_NAMESPACE_URI, type, false, false);
NodeEventTarget t = (NodeEventTarget) elt;
final String s = elt.getAttributeNS(null, SVGConstants.SVG_ONLOAD_ATTRIBUTE);
if (s.length() == 0) {
// No script to run so just dispatch the event to DOM
// (For java presumably).
t.dispatchEvent(ev);
return;
}
final Interpreter interp = getInterpreter();
if (interp == null) {
// Can't load interpreter so just dispatch normal event
// to the DOM (for java presumably).
t.dispatchEvent(ev);
return;
}
if (checkCanRun) {
// Check that it is ok to run embeded scripts
checkCompatibleScriptURL(lang, docPURL);
checkCanRun = false; // we only check once for onload handlers
}
DocumentLoader dl = bridgeContext.getDocumentLoader();
SVGDocument d = (SVGDocument) elt.getOwnerDocument();
int line = dl.getLineNumber(elt);
final String desc =
Messages.formatMessage(
EVENT_SCRIPT_DESCRIPTION,
new Object[] {d.getURL(), SVGConstants.SVG_ONLOAD_ATTRIBUTE, new Integer(line)});
EventListener l =
new EventListener() {
public void handleEvent(Event evt) {
try {
Object event;
if (evt instanceof ScriptEventWrapper) {
event = ((ScriptEventWrapper) evt).getEventObject();
} else {
event = evt;
}
interp.bindObject(EVENT_NAME, event);
interp.bindObject(ALTERNATE_EVENT_NAME, event);
interp.evaluate(new StringReader(s), desc);
} catch (IOException io) {
} catch (InterpreterException e) {
handleInterpreterException(e);
}
}
};
t.addEventListenerNS(XMLConstants.XML_EVENTS_NAMESPACE_URI, type, l, false, null);
t.dispatchEvent(ev);
t.removeEventListenerNS(XMLConstants.XML_EVENTS_NAMESPACE_URI, type, l, false);
}