/**
* Remove given listener from given element for given event type.
*
* @param elem Element
* @param eventType EventType
* @param listener IDapEventListener
*/
public void remove(
final BaseHtmlElement elem, final EventType eventType, final IDapEventListener listener) {
EventHandlerContainer container = HtmlCtx.ctx().getEventHandlerContainer();
String elemId = DapDomHelper.getId(elem);
// Active Mode
if (DapCtx.ctx().isActiveMode()) {
List<IDapEventListener> listeners = getListeners(elemId, true);
if (listeners.contains(listener)) {
listeners.remove(listener);
}
container.removeHandler(
elem, listener.getEventHandlerAdapter(elemId, listeners.indexOf(listener)));
return;
}
// Translate|Web Mode
if (listener.getProxyEventHandlers() != null) {
IJsFunc handler = getHandler(listener.getProxyEventHandlers(), eventType);
removeHandler(elem, eventType, handler, container);
}
throw new DsfRuntimeException(
"js proxy handlers are required for non-active mode:"
+ "mode="
+ DapCtx.ctx().getExeMode()
+ ", elem="
+ elemId
+ ", eventType="
+ eventType
+ ", listenerType="
+ listener.getClass().getName());
}
/**
* Add given listener to the element with given id for given event type.
*
* @param elemId String
* @param eventType EventType
* @param listener IDapEventListener
*/
public void addListener(
final String elemId, final EventType eventType, final IDapEventListener listener) {
if (elemId == null) {
throw new AssertionError("elemId cannot be null");
}
if (eventType == null) {
throw new AssertionError("eventType cannot be null");
}
if (listener == null) {
throw new AssertionError("listener cannot be null");
}
EventHandlerContainer container = HtmlCtx.ctx().getEventHandlerContainer();
// Active Mode
if (DapCtx.ctx().isActiveMode()) {
int index = add(elemId, listener);
ISimpleJsEventHandler handler = listener.getEventHandlerAdapter(elemId, index);
if (BODY.equals(elemId)) {
container.add(HtmlTypeEnum.BODY, eventType, handler);
} else {
container.add(elemId, eventType, handler);
}
return;
}
// Translate|Web Mode
Map<EventType, IJsFunc> handlers = listener.getProxyEventHandlers();
if (handlers != null) {
IJsFunc handler = getHandler(handlers, eventType);
if (handler != null) {
container.add(elemId, eventType, listener.getEventHandlerAdapter(handler));
return;
}
}
throw new DsfRuntimeException(
"js proxy handlers are required for non-active modes:"
+ "mode="
+ DapCtx.ctx().getExeMode()
+ ", elem="
+ elemId
+ ", eventType="
+ eventType
+ ", listenerType="
+ listener.getClass().getName());
}
private void removeHandler(
final BaseHtmlElement elem,
final EventType eventType,
final IJsFunc handler,
final EventHandlerContainer container) {
if (handler == null) {
return;
}
List<EventsToHandlerPair> pairs = container.getElements().get(elem);
DapEventHandlerAdapter adapter;
if (pairs == null) {
return;
}
for (EventsToHandlerPair pair : pairs) {
if (pair.getEventType() != eventType) {
continue;
}
if (!(pair.getHandler() instanceof DapEventHandlerAdapter)) {
continue;
}
adapter = (DapEventHandlerAdapter) pair.getHandler();
if (adapter == null || adapter.getJsFunc() != handler) {
continue;
}
pairs.remove(pair);
return;
}
}