@Override
public void apply(FaceletContext ctx, UIComponent parent)
throws IOException, FacesException, FaceletException, ELException {
FaceletHandlerHelper helper = new FaceletHandlerHelper(config);
TagAttributes devAttrs =
FaceletHandlerHelper.getTagAttributes(
helper.createAttribute("id", FaceletHandlerHelper.generateDevContainerId(ctx, refId)),
helper.createAttribute("styleClass", "displayN nxlDevContainer"),
helper.createAttribute("layout", "block"));
ComponentHandler dComp =
helper.getHtmlComponentHandler(
config.getTagId(), devAttrs, devHandler, PANEL_COMPONENT_TYPE, null);
FaceletHandler nextHandler =
new CompositeFaceletHandler(
new FaceletHandler[] {
helper.getDisableDevModeTagHandler(config.getTagId(), dComp), originalHandler
});
TagAttributes cAttrs =
FaceletHandlerHelper.getTagAttributes(
helper.createAttribute("id", FaceletHandlerHelper.generateDevRegionId(ctx, refId)),
helper.createAttribute("styleClass", "nxlDevRegion"),
helper.createAttribute("layout", "block"));
ComponentHandler cComp =
helper.getHtmlComponentHandler(
config.getTagId(), cAttrs, nextHandler, PANEL_COMPONENT_TYPE, null);
cComp.apply(ctx, parent);
}
public ComponentTagHandlerDelegateImpl(ComponentHandler owner) {
this.owner = owner;
ComponentConfig config = owner.getComponentConfig();
this.componentType = config.getComponentType();
this.rendererType = config.getRendererType();
this.id = owner.getTagAttribute("id");
this.binding = owner.getTagAttribute("binding");
}
@Override
public MetaRuleset createMetaRuleset(Class type) {
Util.notNull("type", type);
MetaRuleset m = new MetaRulesetImpl(owner.getTag(), type);
// ignore standard component attributes
m.ignore("binding").ignore("id");
// add auto wiring for attributes
m.addRule(ComponentRule.Instance);
// if it's an ActionSource
if (ActionSource.class.isAssignableFrom(type)) {
m.addRule(ActionSourceRule.Instance);
}
// if it's a ValueHolder
if (ValueHolder.class.isAssignableFrom(type)) {
m.addRule(ValueHolderRule.Instance);
// if it's an EditableValueHolder
if (EditableValueHolder.class.isAssignableFrom(type)) {
m.ignore("submittedValue");
m.ignore("valid");
m.addRule(EditableValueHolderRule.Instance);
}
}
// if it's a selectone or selectmany
if (UISelectOne.class.isAssignableFrom(type) || UISelectMany.class.isAssignableFrom(type)) {
m.addRule(RenderPropertyRule.Instance);
}
return m;
}
private void applyCompositeComponent(FaceletContext ctx, UIComponent c) throws IOException {
FacesContext facesContext = ctx.getFacesContext();
FaceletFactory factory =
(FaceletFactory) RequestStateManager.get(facesContext, RequestStateManager.FACELET_FACTORY);
VariableMapper orig = ctx.getVariableMapper();
UIPanel facetComponent;
if (ComponentHandler.isNew(c)) {
facetComponent = (UIPanel) facesContext.getApplication().createComponent("javax.faces.Panel");
facetComponent.setRendererType("javax.faces.Group");
c.getFacets().put(UIComponent.COMPOSITE_FACET_NAME, facetComponent);
} else {
facetComponent = (UIPanel) c.getFacets().get(UIComponent.COMPOSITE_FACET_NAME);
}
assert (null != facetComponent);
try {
Facelet f = factory.getFacelet(ccResource.getURL());
VariableMapper wrapper =
new VariableMapperWrapper(orig) {
@Override
public ValueExpression resolveVariable(String variable) {
return super.resolveVariable(variable);
}
};
ctx.setVariableMapper(wrapper);
f.apply(facesContext, facetComponent);
} finally {
ctx.setVariableMapper(orig);
}
}
protected void doNewComponentActions(FaceletContext ctx, String id, UIComponent c) {
if (log.isLoggable(Level.FINE)) {
log.fine(owner.getTag() + " Component[" + id + "] Created: " + c.getClass().getName());
}
// If this is NOT a composite component...
if (null == createCompositeComponentDelegate) {
// set the attributes and properties into the UIComponent instance.
owner.setAttributes(ctx, c);
}
// otherwise, allow the composite component code to do it.
// mark it owned by a facelet instance
c.getAttributes().put(ComponentSupport.MARK_CREATED, id);
if (ctx.getFacesContext().isProjectStage(ProjectStage.Development)) {
// inject the location into the component
c.getAttributes().put(UIComponent.VIEW_LOCATION_KEY, owner.getTag().getLocation());
}
}
/**
* Specialized implementation to prevent caching of the MetaRuleset when ProjectStage is
* Development.
*/
@Override
public void setAttributes(FaceletContext ctx, Object instance) {
if (instance != null) {
if (ctx.getFacesContext().isProjectStage(ProjectStage.Development)) {
Metadata meta = createMetaRuleset(instance.getClass()).finish();
meta.applyMetadata(ctx, instance);
} else {
super.setAttributes(ctx, instance);
}
}
}
@Override
public void applyNextHandler(FaceletContext ctx, UIComponent c)
throws IOException, FacesException, ELException {
// attributes need to be applied before any action is taken on
// nested children handlers or the composite component handlers
// as there may be an expression evaluated at tree creation time
// that needs access to these attributes
setAttributes(ctx, c);
// Allow any nested elements that reside inside the markup element
// for this tag to get applied
super.applyNextHandler(ctx, c);
// Apply the facelet for this composite component
applyCompositeComponent(ctx, c);
// Allow any PDL declared attached objects to be retargeted
if (ComponentHandler.isNew(c)) {
FacesContext context = ctx.getFacesContext();
String viewId = context.getViewRoot().getViewId();
// PENDING(rlubke): performance
ViewDeclarationLanguageFactory factory =
(ViewDeclarationLanguageFactory)
FactoryFinder.getFactory(FactoryFinder.VIEW_DECLARATION_LANGUAGE_FACTORY);
ViewDeclarationLanguage vdl = factory.getViewDeclarationLanguage(viewId);
vdl.retargetAttachedObjects(context, c, getAttachedObjectHandlers(c, false));
vdl.retargetMethodExpressions(context, c);
// RELEASE_PENDING This is *ugly*. See my comments in
// ComponentTagHandlerDelegateImpl at the end of the apply()
// method
if (StateContext.getStateContext(context).partialStateSaving(context, viewId)) {
markInitialState(c);
}
}
}
protected void doExistingComponentActions(FaceletContext ctx, String id, UIComponent c) {
// mark all children for cleaning
if (log.isLoggable(Level.FINE)) {
log.fine(owner.getTag() + " Component[" + id + "] Found, marking children for cleanup");
}
ComponentSupport.markForDeletion(c);
/*
* Repply the id, for the case when the component tree was changed, and the id's are set explicitly.
*/
if (this.id != null) {
c.setId(this.id.getValue(ctx));
}
}
public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
// only process if it's been created
if (null == parent
|| (null == (parent = parent.getParent()))
|| !(ComponentHandler.isNew(parent))) {
return;
}
Map<String, Object> attrs = parent.getAttributes();
CompositeComponentBeanInfo componentBeanInfo =
(CompositeComponentBeanInfo) attrs.get(UIComponent.BEANINFO_KEY);
assert (null != componentBeanInfo);
List<PropertyDescriptor> declaredAttributes = componentBeanInfo.getPropertyDescriptorsList();
// Get the value of required the name propertyDescriptor
ValueExpression ve = name.getValueExpression(ctx, String.class);
String strValue = (String) ve.getValue(ctx);
// Search the propertyDescriptors for one for this attribute
for (PropertyDescriptor cur : declaredAttributes) {
if (strValue.endsWith(cur.getName())) {
// If we have a match, no need to waste time
// duplicating and replacing it.
return;
}
}
PropertyDescriptor propertyDescriptor;
try {
propertyDescriptor = new PropertyDescriptor(strValue, null, null);
declaredAttributes.add(propertyDescriptor);
} catch (IntrospectionException ex) {
throw new TagException(
tag, "Unable to create property descriptor for property " + strValue, ex);
}
for (TagAttribute tagAttribute : this.tag.getAttributes().getAll()) {
String attributeName = tagAttribute.getLocalName();
PropertyHandler handler = ATTRIBUTE_MANAGER.getHandler(ctx, attributeName);
if (handler != null) {
handler.apply(ctx, attributeName, propertyDescriptor, tagAttribute);
}
}
this.nextHandler.apply(ctx, parent);
}
public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
// only process if it's been created
if (parent == null || !ComponentHandler.isNew(parent)) {
return;
}
if (isEventSource(parent)) {
applyAttachedObject(ctx.getFacesContext(), parent);
} else if (UIComponent.isCompositeComponent(parent)) {
// Allow the composite component to know about the target component.
TagHandlerUtils.getOrCreateRetargetableHandlersList(parent).add(this);
} else {
throw new TagException(
this.tag, "Parent does not match event source requirements: " + parent);
}
}
public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
// only process if it's been created
if (null == parent
|| (null == (parent = parent.getParent()))
|| !(ComponentHandler.isNew(parent))) {
return;
}
Map<String, Object> attrs = parent.getAttributes();
CompositeComponentBeanInfo componentBeanInfo =
(CompositeComponentBeanInfo) attrs.get(UIComponent.BEANINFO_KEY);
assert (null != componentBeanInfo);
List<PropertyDescriptor> declaredAttributes = componentBeanInfo.getPropertyDescriptorsList();
// Get the value of required the name propertyDescriptor
ValueExpression ve = name.getValueExpression(ctx, String.class);
String strValue = (String) ve.getValue(ctx);
// Search the propertyDescriptors for one for this attribute
for (PropertyDescriptor cur : declaredAttributes) {
if (strValue.endsWith(cur.getName())) {
// If we have a match, no need to waste time
// duplicating and replacing it.
return;
}
}
PropertyDescriptor propertyDescriptor;
try {
propertyDescriptor = new CCAttributePropertyDescriptor(strValue, null, null);
declaredAttributes.add(propertyDescriptor);
} catch (IntrospectionException ex) {
throw new TagException(
tag, "Unable to create property descriptor for property " + strValue, ex);
}
TagAttribute defaultTagAttribute = null;
PropertyHandler defaultHandler = null;
for (TagAttribute tagAttribute : this.tag.getAttributes().getAll()) {
String attributeName = tagAttribute.getLocalName();
if ("default".equals(attributeName)) {
// store the TagAttribute and the PropertyHandler for later
// execution, as the handler for the default-attribute requires,
// that the PropertyHandler for 'type' - if it exists - has been
// applied first.
defaultTagAttribute = tagAttribute;
defaultHandler = ATTRIBUTE_MANAGER.getHandler(ctx, "default");
} else {
PropertyHandler handler = ATTRIBUTE_MANAGER.getHandler(ctx, attributeName);
if (handler != null) {
handler.apply(ctx, attributeName, propertyDescriptor, tagAttribute);
}
}
}
if (defaultHandler != null) {
// If the 'default'-attribute of cc:attribute was set, apply the
// previously stored PropertyHandler (see above) now, as now it is
// guaranteed that if a 'type'-attribute existed, that its handler
// was already applied
try {
defaultHandler.apply(ctx, "default", propertyDescriptor, defaultTagAttribute);
} catch (IllegalArgumentException ex) {
// If the type (according to the type-attribute) can not be
// found, the DefaultPropertyHandler will wrapp the
// ClassNotFoundException into an IllegalArgumentException,
// which is unwrapped into a TagException here.
throw new TagException(
tag, "'type' could not be resolved: " + ex.getCause(), ex.getCause());
}
}
this.nextHandler.apply(ctx, parent);
}
/**
* Method handles UIComponent tree creation in accordance with the JSF 1.2 spec.
*
* <ol>
* <li>First determines this UIComponent's id by calling {@link
* javax.faces.view.facelets.ComponentHandler#getTagId()}.
* <li>Search the parent for an existing UIComponent of the id we just grabbed
* <li>If found, {@link
* com.sun.faces.facelets.tag.jsf.ComponentSupport#markForDeletion(javax.faces.component.UIComponent)
* mark} its children for deletion.
* <li>If <i>not</i> found, call {@link #createComponent(FaceletContext) createComponent}.
* <ol>
* <li>Only here do we apply {@link
* com.sun.faces.facelets.tag.MetaTagHandlerImpl#setAttributes(FaceletContext,
* Object)}
* <li>Set the UIComponent's id
* <li>Set the RendererType of this instance
* </ol>
* <li>Now apply the nextHandler, passing the UIComponent we've created/found.
* <li>Now add the UIComponent to the passed parent
* <li>Lastly, if the UIComponent already existed (found), then {@link
* ComponentSupport#finalizeForDeletion(UIComponent) finalize} for deletion.
* </ol>
*
* @throws TagException if the UIComponent parent is null
*/
@Override
public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
FacesContext context = ctx.getFacesContext();
// make sure our parent is not null
if (parent == null) {
throw new TagException(owner.getTag(), "Parent UIComponent was null");
}
// our id
String id = ctx.generateUniqueId(owner.getTagId());
// grab our component
UIComponent c = findChild(ctx, parent, id);
if (null == c
&& context.isPostback()
&& UIComponent.isCompositeComponent(parent)
&& parent.getAttributes().get(id) != null) {
c = findReparentedComponent(ctx, parent, id);
} else {
/**
* If we found a child that is dynamic, the actual parent might have changed, so we need to
* remove it from the actual parent. The reapplyDynamicActions will then replay the actions
* and will make sure it ends up in the correct order.
*/
if (c != null
&& c.getParent() != parent
&& c.getAttributes().containsKey(DYNAMIC_COMPONENT)) {
c.getParent().getChildren().remove(c);
}
}
boolean componentFound = false;
if (c != null) {
componentFound = true;
doExistingComponentActions(ctx, id, c);
} else {
c = this.createComponent(ctx);
doNewComponentActions(ctx, id, c);
assignUniqueId(ctx, parent, id, c);
// hook method
owner.onComponentCreated(ctx, c, parent);
}
CompositeComponentStackManager ccStackManager =
CompositeComponentStackManager.getManager(context);
boolean compcompPushed = pushComponentToEL(ctx, c, ccStackManager);
if (ProjectStage.Development == context.getApplication().getProjectStage()) {
ComponentSupport.setTagForComponent(context, c, this.owner.getTag());
}
// If this this a naming container, stop generating unique Ids
// for the repeated tags
boolean setUniqueIds = false;
boolean oldUnique = false;
if (c instanceof NamingContainer) {
oldUnique = ComponentSupport.setNeedUniqueIds(ctx, false);
setUniqueIds = true;
}
try {
// first allow c to get populated
owner.applyNextHandler(ctx, c);
} finally {
if (setUniqueIds) ComponentSupport.setNeedUniqueIds(ctx, oldUnique);
}
// finish cleaning up orphaned children
if (componentFound) {
doOrphanedChildCleanup(ctx, parent, c);
}
this.privateOnComponentPopulated(ctx, c);
owner.onComponentPopulated(ctx, c, parent);
// add to the tree afterwards
// this allows children to determine if it's
// been part of the tree or not yet
addComponentToView(ctx, parent, c, componentFound);
adjustIndexOfDynamicChildren(context, c);
popComponentFromEL(ctx, c, ccStackManager, compcompPushed);
}
@Override
public void apply(FaceletContext ctx, UIComponent parent, Widget widget)
throws WidgetException, IOException {
FaceletHandlerHelper helper = new FaceletHandlerHelper(tagConfig);
String mode = widget.getMode();
String widgetId = widget.getId();
String widgetName = widget.getName();
String widgetTagConfigId = widget.getTagConfigId();
TagAttributes attributes;
if (BuiltinWidgetModes.isLikePlainMode(mode)) {
// use attributes without id
attributes = helper.getTagAttributes(widget);
} else {
if (BuiltinWidgetModes.EDIT.equals(mode)) {
// exclude styleClass, it needs a specific css class also, see
// below
attributes = helper.getTagAttributes(widget, Arrays.asList("styleClass"), true);
attributes =
FaceletHandlerHelper.addTagAttribute(
attributes, helper.createAttribute("id", widgetId));
} else {
attributes = helper.getTagAttributes(widgetId, widget);
}
}
FaceletHandler leaf = getNextHandler(ctx, tagConfig, widget, null, helper);
if (BuiltinWidgetModes.EDIT.equals(mode)) {
ComponentHandler input =
helper.getHtmlComponentHandler(
widgetTagConfigId, attributes, leaf, UIHtmlEditor.COMPONENT_TYPE, null);
String msgId = FaceletHandlerHelper.generateMessageId(ctx, widgetName);
ComponentHandler message =
helper.getMessageComponentHandler(widgetTagConfigId, msgId, widgetId, null);
FaceletHandler[] handlers = {input, message};
FaceletHandler h = new CompositeFaceletHandler(handlers);
h.apply(ctx, parent);
} else {
// default on text for other modes, do not escape
TagAttribute escape = helper.createAttribute("escape", "false");
attributes = FaceletHandlerHelper.addTagAttribute(attributes, escape);
String styleClass = (String) widget.getProperty("styleClass");
TagAttribute styleClassAttr =
helper.createAttribute(
"styleClass",
StringUtils.isBlank(styleClass) ? "textBlock" : "textBlock " + styleClass);
attributes = FaceletHandlerHelper.addTagAttribute(attributes, styleClassAttr);
ComponentHandler output =
helper.getHtmlComponentHandler(
widgetTagConfigId, attributes, leaf, HtmlOutputText.COMPONENT_TYPE, null);
if (BuiltinWidgetModes.PDF.equals(mode)) {
// add a surrounding p:html tag handler
FaceletHandler h =
helper.getHtmlComponentHandler(
widgetTagConfigId,
new TagAttributesImpl(new TagAttribute[0]),
output,
UIHtmlText.class.getName(),
null);
h.apply(ctx, parent);
} else {
output.apply(ctx, parent);
}
}
}