/** Return true if the element is listening for the given eventBit or eventName. */
public boolean hasHandlers(int eventBits, String eventName) {
for (int i = 0, j = elementEvents.length(); i < j; i++) {
BindFunction function = elementEvents.get(i);
if (function.hasEventType(eventBits) || function.isTypeOf(eventName)) {
return true;
}
}
return false;
}
/** Dispatch an event in this element but changing the type, it's useful for special events. */
public void dispatchEvent(Event event, String eventName) {
int etype = Event.getTypeInt(eventName);
Object[] handlerData = $(element).data(EVENT_DATA);
for (int i = 0, l = elementEvents.length(); i < l; i++) {
BindFunction listener = elementEvents.get(i);
String namespace = JsUtils.prop(event, "namespace");
boolean matchEV =
listener != null && (listener.hasEventType(etype) || listener.isTypeOf(eventName));
boolean matchNS =
matchEV && (isNullOrEmpty(namespace) || listener.nameSpace.equals(namespace));
if (matchEV && matchNS) {
if (!listener.fire(event, handlerData)) {
event.stopPropagation();
event.preventDefault();
}
}
}
}
public void unbind(int eventbits, String namespace, String eventName, Function f) {
JsObjectArray<BindFunction> newList = JsObjectArray.createArray().cast();
for (int i = 0; i < elementEvents.length(); i++) {
BindFunction listener = elementEvents.get(i);
boolean matchNS = isNullOrEmpty(namespace) || listener.nameSpace.equals(namespace);
boolean matchEV = eventbits <= 0 || listener.hasEventType(eventbits);
boolean matchEVN = matchEV || listener.isTypeOf(eventName);
boolean matchFC = f == null || listener.isEquals(f);
if (matchNS && matchEV && matchEVN && matchFC) {
int currentEventbits = listener.unsink(eventbits);
if (currentEventbits == 0) {
// the BindFunction doesn't listen anymore on any events
continue;
}
}
newList.add(listener);
}
elementEvents = newList;
}
@Override
public boolean fire(Event event, Object[] eventData) {
if (isEmpty()) {
return true;
}
// first element where the event was fired
Element eventTarget = getEventTarget(event);
// last element where the event was dispatched on
Element liveContextElement = getCurrentEventTarget(event);
if (eventTarget == null || liveContextElement == null) {
return true;
}
// Compute the live selectors which respond to this event type
List<String> validSelectors = new ArrayList<String>();
for (String cssSelector : bindFunctionBySelector.keys()) {
JsObjectArray<BindFunction> bindFunctions = bindFunctionBySelector.get(cssSelector);
for (int i = 0; bindFunctions != null && i < bindFunctions.length(); i++) {
BindFunction f = bindFunctions.get(i);
if (f.hasEventType(event.getTypeInt()) || f.isTypeOf(event.getType())) {
validSelectors.add(cssSelector);
break;
}
}
}
// Create a structure of elements which matches the selectors
JsNamedArray<NodeList<Element>> realCurrentTargetBySelector =
$(eventTarget).closest(validSelectors.toArray(new String[0]), liveContextElement);
// nothing matches the selectors
if (realCurrentTargetBySelector.length() == 0) {
return true;
}
Element stopElement = null;
GqEvent gqEvent = GqEvent.create(event);
for (String cssSelector : realCurrentTargetBySelector.keys()) {
JsObjectArray<BindFunction> bindFunctions = bindFunctionBySelector.get(cssSelector);
for (int i = 0; bindFunctions != null && i < bindFunctions.length(); i++) {
BindFunction f = bindFunctions.get(i);
if (f.hasEventType(event.getTypeInt()) || f.isTypeOf(event.getType())) {
NodeList<Element> n = realCurrentTargetBySelector.get(cssSelector);
for (int j = 0; n != null && j < n.getLength(); j++) {
Element element = n.getItem(j);
// When an event fired in an element stops bubbling we have to fire also all other
// handlers for this element bound to this element
if (stopElement == null || element.equals(stopElement)) {
gqEvent.setCurrentElementTarget(element);
// data
eventData = $(element).data(EVENT_DATA);
if (!f.fire(gqEvent, eventData)) {
stopElement = element;
}
}
}
}
}
}
// trick to reset the right currentTarget on the original event on ie
gqEvent.setCurrentElementTarget(liveContextElement);
return stopElement == null;
}
