// Decodes Behaviors if any match the behavior source/event.
// As a convenience, returns component id, but only if it
// was retrieved. This allows us to avoid duplicating
// calls to getClientId(), which can be expensive for
// deep component trees.
protected final String decodeBehaviors(FacesContext context, UIComponent component) {
if (!(component instanceof ClientBehaviorHolder)) {
return null;
}
ClientBehaviorHolder holder = (ClientBehaviorHolder) component;
Map<String, List<ClientBehavior>> behaviors = holder.getClientBehaviors();
if (behaviors.isEmpty()) {
return null;
}
String behaviorEvent = BEHAVIOR_EVENT_PARAM.getValue(context);
if (null != behaviorEvent) {
List<ClientBehavior> behaviorsForEvent = behaviors.get(behaviorEvent);
if (behaviorsForEvent != null && behaviorsForEvent.size() > 0) {
String behaviorSource = BEHAVIOR_SOURCE_PARAM.getValue(context);
String clientId = component.getClientId();
if (isBehaviorSource(context, behaviorSource, clientId)) {
for (ClientBehavior behavior : behaviorsForEvent) {
behavior.decode(context, component);
}
}
return clientId;
}
}
return null;
}
public static void decodeClientBehaviors(FacesContext facesContext, UIComponent uiComponent) {
if (uiComponent instanceof ClientBehaviorHolder) {
ClientBehaviorHolder clientBehaviorHolder = (ClientBehaviorHolder) uiComponent;
Map<String, List<ClientBehavior>> clientBehaviorMap =
clientBehaviorHolder.getClientBehaviors();
Map<String, String> requestParameterMap =
facesContext.getExternalContext().getRequestParameterMap();
String behaviorEvent = requestParameterMap.get(FacesConstants.JAVAX_FACES_BEHAVIOR_EVENT);
if (behaviorEvent != null) {
List<ClientBehavior> clientBehaviors = clientBehaviorMap.get(behaviorEvent);
if (clientBehaviors != null) {
String source = requestParameterMap.get(FacesConstants.JAVAX_FACES_SOURCE);
if (source != null) {
String clientId = uiComponent.getClientId(facesContext);
if (clientId.startsWith(source)) {
for (ClientBehavior behavior : clientBehaviors) {
behavior.decode(facesContext, uiComponent);
}
}
}
}
}
}
}
// Decodes Behaviors if any match the behavior source/event.
// As a convenience, returns component id, but only if it
// was retrieved. This allows us to avoid duplicating
// calls to getClientId(), which can be expensive for
// deep component trees.
protected final String decodeBehaviors(FacesContext context, UIComponent component) {
if (!(component instanceof ClientBehaviorHolder)) {
return null;
}
ClientBehaviorHolder holder = (ClientBehaviorHolder) component;
Map<String, List<ClientBehavior>> behaviors = holder.getClientBehaviors();
if (behaviors.isEmpty()) {
return null;
}
ExternalContext external = context.getExternalContext();
Map<String, String> params = external.getRequestParameterMap();
String behaviorEvent = params.get("javax.faces.behavior.event");
if (null != behaviorEvent) {
List<ClientBehavior> behaviorsForEvent = behaviors.get(behaviorEvent);
if (behaviorsForEvent != null && behaviorsForEvent.size() > 0) {
String behaviorSource = params.get("javax.faces.source");
String clientId = component.getClientId();
if (isBehaviorSource(context, behaviorSource, clientId)) {
for (ClientBehavior behavior : behaviorsForEvent) {
behavior.decode(context, component);
}
}
return clientId;
}
}
return null;
}
private static Map<String, List<ClientBehavior>> getClientBehaviorsMap(UIComponent component) {
Map<String, List<ClientBehavior>> result;
if (component instanceof ClientBehaviorHolder) {
ClientBehaviorHolder clientBehaviorHolder = (ClientBehaviorHolder) component;
result = clientBehaviorHolder.getClientBehaviors();
} else {
result = Collections.emptyMap();
}
return result;
}
private static List<ClientBehavior> getClientBehaviors(
UIComponent component, String behaviorEventName) {
if (component instanceof ClientBehaviorHolder) {
ClientBehaviorHolder bHolder = (ClientBehaviorHolder) component;
Map<String, List<ClientBehavior>> behaviors = bHolder.getClientBehaviors();
if (null != behaviors) {
return behaviors.get(behaviorEventName);
}
}
return null;
}
private List<ClientBehavior> getBehaviorsList(String behaviorName) {
List<ClientBehavior> behaviors = null;
if (component instanceof ClientBehaviorHolder) {
ClientBehaviorHolder clientBehaviorHolder = (ClientBehaviorHolder) component;
Map<String, List<ClientBehavior>> clientBehaviorsMap =
clientBehaviorHolder.getClientBehaviors();
if (clientBehaviorsMap != null) {
behaviors = clientBehaviorsMap.get(behaviorName);
}
}
return behaviors;
}
private void addBehavior(FacesContext context, ClientBehaviorHolder behaviorHolder) {
String eventName = this.eventName;
if (eventName == null) {
eventName = behaviorHolder.getDefaultEventName();
if (eventName == null) {
return;
}
}
if (shouldAddBehavior(behaviorHolder, eventName)) {
ClientBehavior behavior = createBehavior(context);
behaviorHolder.addClientBehavior(eventName, behavior);
}
}
private boolean shouldAddBehavior(ClientBehaviorHolder behaviorHolder, String eventName) {
if (!behaviorHolder.getEventNames().contains(eventName)) {
return false;
}
Map<String, List<ClientBehavior>> clientBehaviorsMap = behaviorHolder.getClientBehaviors();
List<ClientBehavior> clientBehaviors = clientBehaviorsMap.get(eventName);
if (clientBehaviors == null || clientBehaviors.isEmpty()) {
return true;
}
for (ClientBehavior behavior : clientBehaviors) {
Set<ClientBehaviorHint> hints = behavior.getHints();
if (hints.contains(ClientBehaviorHint.SUBMITTING)) {
return false;
}
}
return true;
}
public static String decodeBehaviors(FacesContext context, UIComponent component) {
if (!(component instanceof ClientBehaviorHolder)) {
return null;
}
ClientBehaviorHolder holder = (ClientBehaviorHolder) component;
Map<String, List<ClientBehavior>> behaviors = holder.getClientBehaviors();
if (behaviors == null || behaviors.isEmpty()) {
return null;
}
ExternalContext externalContext = context.getExternalContext();
Map<String, String> parametersMap = externalContext.getRequestParameterMap();
String behaviorEvent = parametersMap.get(BEHAVIOR_EVENT_NAME);
if (behaviorEvent == null) {
return null;
}
List<ClientBehavior> behaviorsForEvent = behaviors.get(behaviorEvent);
String behaviorSource = parametersMap.get(BEHAVIOR_SOURCE_ID);
String clientId = component.getClientId(context);
if (behaviorSource != null && behaviorSource.equals(clientId)) {
if (behaviorsForEvent != null && !behaviorsForEvent.isEmpty()) {
for (ClientBehavior behavior : behaviorsForEvent) {
behavior.decode(context, component);
}
return behaviorEvent;
}
}
return null;
}
/**
* Non-obstrusive way to apply client behaviors. Behaviors are rendered as options to the client
* side widget and applied by widget to necessary dom element
*/
protected void encodeClientBehaviors(FacesContext context, ClientBehaviorHolder component)
throws IOException {
ResponseWriter writer = context.getResponseWriter();
// ClientBehaviors
Map<String, List<ClientBehavior>> behaviorEvents = component.getClientBehaviors();
if (!behaviorEvents.isEmpty()) {
String clientId = ((UIComponent) component).getClientId(context);
List<ClientBehaviorContext.Parameter> params = Collections.emptyList();
writer.write(",behaviors:{");
for (Iterator<String> eventIterator = behaviorEvents.keySet().iterator();
eventIterator.hasNext(); ) {
String event = eventIterator.next();
String domEvent = event;
if (event.equalsIgnoreCase("valueChange")) // editable value holders
domEvent = "change";
else if (event.equalsIgnoreCase("action")) // commands
domEvent = "click";
writer.write(domEvent + ":");
writer.write("function(event) {");
for (Iterator<ClientBehavior> behaviorIter = behaviorEvents.get(event).iterator();
behaviorIter.hasNext(); ) {
ClientBehavior behavior = behaviorIter.next();
ClientBehaviorContext cbc =
ClientBehaviorContext.createClientBehaviorContext(
context, (UIComponent) component, event, clientId, params);
String script = behavior.getScript(cbc); // could be null if disabled
if (script != null) {
writer.write(script);
}
}
writer.write("}");
if (eventIterator.hasNext()) {
writer.write(",");
}
}
writer.write("}");
}
}
protected String getOnclickBehaviors(FacesContext context, ClientBehaviorHolder cbh) {
List<ClientBehavior> behaviors = cbh.getClientBehaviors().get("action");
StringBuilder sb = new StringBuilder();
if (behaviors != null && !behaviors.isEmpty()) {
UIComponent component = (UIComponent) cbh;
String clientId = component.getClientId(context);
List<ClientBehaviorContext.Parameter> params = Collections.emptyList();
for (Iterator<ClientBehavior> behaviorIter = behaviors.iterator(); behaviorIter.hasNext(); ) {
ClientBehavior behavior = behaviorIter.next();
ClientBehaviorContext cbc =
ClientBehaviorContext.createClientBehaviorContext(
context, component, "action", clientId, params);
String script = behavior.getScript(cbc);
if (script != null) sb.append(script).append(";");
}
}
return sb.length() == 0 ? null : sb.toString();
}
