public void addBehaviors(String domEventName, String logicalEventName) {
String name = domEventName;
List<ClientBehavior> behaviorsList = getBehaviorsList(domEventName);
if ((behaviorsList == null) && (logicalEventName != null)) {
behaviorsList = getBehaviorsList(logicalEventName);
name = logicalEventName;
}
if (behaviorsList == null) {
return;
}
ClientBehaviorContext behaviorContext =
ClientBehaviorContext.createClientBehaviorContext(
facesContext,
component,
name,
includeClientId ? component.getClientId(facesContext) : null,
getParameters());
for (ClientBehavior clientBehavior : behaviorsList) {
String behaviorScript = clientBehavior.getScript(behaviorContext);
if (isNotEmpty(behaviorScript)) {
if (clientBehavior.getHints().contains(ClientBehaviorHint.SUBMITTING)) {
hasSubmittingBehavior = true;
}
handlers.add(behaviorScript);
}
}
}
private static ClientBehaviorContext createClientBehaviorContext(
FacesContext context,
UIComponent component,
String behaviorEventName,
Collection<ClientBehaviorContext.Parameter> params) {
return ClientBehaviorContext.createClientBehaviorContext(
context, component, behaviorEventName, null, params);
}
/**
* 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();
}
// TODO - create special method for event handlers that will return String?
// TODO - add check for 'disabled'?
public static Object getAttributeAndBehaviorsValue(
FacesContext facesContext, UIComponent component, ComponentAttribute componentAttribute) {
if (facesContext == null) {
throw new NullPointerException("facesContext");
}
if (component == null) {
throw new NullPointerException("component");
}
if (componentAttribute == null) {
throw new NullPointerException("componentAttribute");
}
String componentAttributeName = componentAttribute.getComponentAttributeName();
Object attributeValue = component.getAttributes().get(componentAttributeName);
String[] eventNames = componentAttribute.getEventNames();
if (eventNames.length > 0) {
Map<String, List<ClientBehavior>> behaviorsMap = getClientBehaviorsMap(component);
if (behaviorsMap.size() > 0) {
for (String eventName : eventNames) {
if (behaviorsMap.containsKey(eventName)) {
List<ClientBehavior> behaviorsList = behaviorsMap.get(eventName);
if (!behaviorsList.isEmpty()) {
// TODO - parameters handling
ClientBehaviorContext behaviorContext =
ClientBehaviorContext.createClientBehaviorContext(
facesContext, component, eventName, null, null);
attributeValue = createBehaviorsChain(attributeValue, behaviorContext, behaviorsList);
}
break;
}
}
}
}
return attributeValue;
}
protected void setConfirmationScript(FacesContext context, MenuItem item) {
if (item instanceof ClientBehaviorHolder) {
Map<String, List<ClientBehavior>> behaviors =
((ClientBehaviorHolder) item).getClientBehaviors();
List<ClientBehavior> clickBehaviors = (behaviors == null) ? null : behaviors.get("click");
if (clickBehaviors != null && !clickBehaviors.isEmpty()) {
for (int i = 0; i < clickBehaviors.size(); i++) {
ClientBehavior clientBehavior = clickBehaviors.get(i);
if (clientBehavior instanceof ConfirmBehavior) {
ClientBehaviorContext cbc =
ClientBehaviorContext.createClientBehaviorContext(
context,
(UIComponent) item,
"click",
item.getClientId(),
Collections.EMPTY_LIST);
clientBehavior.getScript(cbc);
break;
}
}
}
}
}
@Override
public void encodeBegin(FacesContext facesContext, UIComponent uiComponent) throws IOException {
// Encode the starting <div> element that represents the rich text editor.
ResponseWriter responseWriter = facesContext.getResponseWriter();
responseWriter.startElement(StringPool.DIV, uiComponent);
String clientId = uiComponent.getClientId();
char separatorChar = UINamingContainer.getSeparatorChar(facesContext);
String escapedEditorName = clientId.replace(separatorChar, '_').concat("_jsptag");
responseWriter.writeAttribute(StringPool.ID, clientId, null);
RendererUtil.encodeStyleable(responseWriter, (Styleable) uiComponent);
// Encode the starting <textarea> element.
InputRichText inputRichText = (InputRichText) uiComponent;
responseWriter.startElement("textarea", uiComponent);
responseWriter.writeAttribute(StringPool.ID, clientId + "_input", null);
responseWriter.writeAttribute(StringPool.NAME, escapedEditorName, null);
responseWriter.writeAttribute(Styleable.STYLE, "display:none;", null);
// Encode the onblur/onchange/onfocus attributes and any associated client behavior scripts.
String onblur = inputRichText.getOnblur();
String onchange = inputRichText.getOnchange();
String onfocus = inputRichText.getOnfocus();
Map<String, List<ClientBehavior>> clientBehaviorMap = inputRichText.getClientBehaviors();
for (String eventName : inputRichText.getEventNames()) {
List<ClientBehavior> clientBehaviorsForEvent = clientBehaviorMap.get(eventName);
if (clientBehaviorsForEvent != null) {
for (ClientBehavior clientBehavior : clientBehaviorsForEvent) {
ClientBehaviorContext clientBehaviorContext =
ClientBehaviorContext.createClientBehaviorContext(
facesContext, inputRichText, eventName, clientId, null);
String clientBehaviorScript = clientBehavior.getScript(clientBehaviorContext);
if (clientBehaviorScript != null) {
if ("valueChange".equals(eventName) || "change".equals(eventName)) {
if (onchange != null) {
clientBehaviorScript = onchange.concat(";").concat(clientBehaviorScript);
onchange = null;
}
responseWriter.writeAttribute("onchange", clientBehaviorScript, null);
} else if ("blur".equals(eventName)) {
if (onblur != null) {
clientBehaviorScript = onblur.concat(";").concat(clientBehaviorScript);
onblur = null;
}
responseWriter.writeAttribute("onblur", clientBehaviorScript, null);
} else if ("focus".equals(eventName)) {
if (onfocus != null) {
clientBehaviorScript = onfocus.concat(";").concat(clientBehaviorScript);
onfocus = null;
}
responseWriter.writeAttribute("onfocus", clientBehaviorScript, null);
}
}
}
}
}
if (onblur != null) {
responseWriter.writeAttribute("onblur", onblur, null);
}
if (onchange != null) {
responseWriter.writeAttribute("onchange", onchange, null);
}
if (onfocus != null) {
responseWriter.writeAttribute("onfocus", onfocus, null);
}
// Encode the value of the component as a child of the textarea element.
Object value = inputRichText.getValue();
if (value != null) {
responseWriter.writeText(value, null);
}
// Encode the closing </textarea> element.
responseWriter.endElement("textarea");
// Encode the script that contains functions with names specific to this component, so that they
// can be
// invoked directly by the JavaScript generated by the JSP tag.
String formattedTemplate = wysiwygTemplate.format(facesContext, inputRichText);
responseWriter.startElement(StringPool.SCRIPT, uiComponent);
responseWriter.writeAttribute(StringPool.TYPE, ContentTypes.TEXT_JAVASCRIPT, null);
responseWriter.write(formattedTemplate);
responseWriter.endElement(StringPool.SCRIPT);
// Begin the JSP tag lifecycle and write the output to the response.
super.encodeBegin(facesContext, uiComponent);
}