private static String getChainedHandler(
FacesContext context,
UIComponent component,
List<ClientBehavior> behaviors,
Collection<ClientBehaviorContext.Parameter> params,
String behaviorEventName,
String userHandler) {
StringBuilder builder = new StringBuilder(100);
builder.append("jsf.util.chain(this,event,");
appendScriptToChain(builder, userHandler);
boolean submitting =
appendBehaviorsToChain(builder, context, component, behaviors, behaviorEventName, params);
boolean hasParams = ((null != params) && !params.isEmpty());
if (!submitting && hasParams) {
String submitHandler = getSubmitHandler(context, component, params, false);
appendScriptToChain(builder, submitHandler);
submitting = true;
}
builder.append(")");
if (submitting && ("action".equals(behaviorEventName) || "click".equals(behaviorEventName))) {
builder.append(";return false");
}
return builder.toString();
}
private static String getSubmitHandler(
FacesContext context,
UIComponent component,
Collection<ClientBehaviorContext.Parameter> params,
boolean preventDefault) {
StringBuilder builder = new StringBuilder(256);
String formClientId = getFormClientId(component, context);
String componentClientId = component.getClientId(context);
builder.append("qab.sf(document.getElementById('");
builder.append(formClientId);
builder.append("'),{");
appendProperty(builder, componentClientId, componentClientId);
if ((null != params) && (!params.isEmpty())) {
for (ClientBehaviorContext.Parameter param : params) {
appendProperty(builder, param.getName(), param.getValue());
}
}
builder.append("})");
if (preventDefault) {
builder.append(";return false");
}
return builder.toString();
}
private static HandlerType getHandlerType(
List<ClientBehavior> behaviors,
Collection<ClientBehaviorContext.Parameter> params,
String userHandler) {
if ((behaviors == null) || (behaviors.isEmpty())) {
if (params.isEmpty()) return HandlerType.USER_HANDLER_ONLY;
return (userHandler == null) ? HandlerType.SUBMIT_ONLY : HandlerType.CHAIN;
}
if ((behaviors.size() == 1) && (userHandler == null)) {
ClientBehavior behavior = behaviors.get(0);
if (isSubmitting(behavior) || params.isEmpty()) return HandlerType.SINGLE_BEHAVIOR_ONLY;
}
return HandlerType.CHAIN;
}