Java Doc for ComponentPageElement.java in  » Web-Framework » Tapestry » org » apache » tapestry » internal » structure » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Framework » Tapestry » org.apache.tapestry.internal.structure 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.apache.tapestry.internal.structure.ComponentPageElement

All known Subclasses:   org.apache.tapestry.internal.structure.ComponentPageElementImpl,
ComponentPageElement
public interface ComponentPageElement extends ComponentResourcesCommon,InternalComponentResourcesCommon,PageElement,BodyPageElement(Code)
Extended version of org.apache.tapestry.internal.structure.PageElement for elements that are, in fact, components (rather than just static markup).




Method Summary
 voidaddBlock(String blockId, Block block)
     Used during the contruction of a page to add a non-anonymous Block to the component.
 voidaddEmbeddedElement(ComponentPageElement child)
     Adds a component to its container.
 voidaddMixin(Instantiator instantiator)
     Adds a mixin.
 voidaddToTemplate(PageElement element)
     Used during the construction of a page.
 voidenqueueBeforeRenderBody(RenderQueue queue)
     Invoked when the component should render its body.
 ComponentgetComponent()
     Returns the core component associated with this page element (as opposed to any mixins attached to the component).
 InternalComponentResourcesgetComponentResources()
     Returns the resources associated with the core component.
 ComponentPageElementgetContainerElement()
     Containing component (or null for the root component of a page).
 PagegetContainingPage()
     Returns the page which contains this component.
 StringgetDefaultBindingPrefix(String parameterName)
     Searches the component (and its mixins) for a formal parameter matching the given name.
 ComponentPageElementgetEmbeddedElement(String id)
     Retrieves a component page element by its id.
 booleanhandleEvent(ComponentEvent event)
     Asks each mixin and component to Component.handleComponentEvent(ComponentEvent) , returning true if any handler was found.
 voidpersistFieldChange(ComponentResources resources, String fieldName, Object newValue)
     Posts a change to a persistent field.



Method Detail
addBlock
void addBlock(String blockId, Block block)(Code)
Used during the contruction of a page to add a non-anonymous Block to the component.
See Also:   ComponentResourcesCommon.getBlock(String)



addEmbeddedElement
void addEmbeddedElement(ComponentPageElement child)(Code)
Adds a component to its container. The embedded component's id must be unique within the container (after the id is converted to lower case).



addMixin
void addMixin(Instantiator instantiator)(Code)
Adds a mixin.
Parameters:
  instantiator - used to instantiate an instance of the mixin



addToTemplate
void addToTemplate(PageElement element)(Code)
Used during the construction of a page. Adds a page element as part of the template for this page element. A page element will eventually render by sequentially rendering these elements. A page elements template is really just the outermost portions of the component's template ... where a template contains elements that are all components, those components will receive portions of the template as their body.



enqueueBeforeRenderBody
void enqueueBeforeRenderBody(RenderQueue queue)(Code)
Invoked when the component should render its body.



getComponent
Component getComponent()(Code)
Returns the core component associated with this page element (as opposed to any mixins attached to the component).



getComponentResources
InternalComponentResources getComponentResources()(Code)
Returns the resources associated with the core component.



getContainerElement
ComponentPageElement getContainerElement()(Code)
Containing component (or null for the root component of a page).



getContainingPage
Page getContainingPage()(Code)
Returns the page which contains this component.



getDefaultBindingPrefix
String getDefaultBindingPrefix(String parameterName)(Code)
Searches the component (and its mixins) for a formal parameter matching the given name. If found, the ParameterModel.getDefaultBindingPrefix default binding prefix is returned. Otherwise the parameter is an informal parameter, and null is returned.
Parameters:
  parameterName - the name of the parameter, possibly qualified with the mixin class name the default binding prefix, or null



getEmbeddedElement
ComponentPageElement getEmbeddedElement(String id)(Code)
Retrieves a component page element by its id. The search is caseless.
Parameters:
  id - used to locate the element the page element
throws:
  IllegalArgumentException - if no component exists with the given id



handleEvent
boolean handleEvent(ComponentEvent event)(Code)
Asks each mixin and component to Component.handleComponentEvent(ComponentEvent) , returning true if any handler was found.
Parameters:
  event - to be handled true if a handler was found



persistFieldChange
void persistFieldChange(ComponentResources resources, String fieldName, Object newValue)(Code)
Posts a change to a persistent field. If the component is still loading, then this change is ignored. Otherwise, it is propogated, via the Page.persistFieldChange(ComponentResourcesStringObject) page to the PersistentFieldManager.postChange(StringComponentResourcesStringObject) PersistentFieldManager .



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