public abstract class AjaxLazyLoadPanel extends Panel
Modifier and Type | Field and Description |
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static String |
LAZY_LOAD_COMPONENT_ID
The component id which will be used to load the lazily loaded component.
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ENABLE, FLAG_AFTER_RENDERING, FLAG_INITIALIZED, FLAG_PREPARED_FOR_RENDER, FLAG_REMOVING_FROM_HIERARCHY, FLAG_RENDERING, FLAG_RESERVED1, FLAG_RESERVED2, FLAG_RESERVED3, FLAG_RESERVED4, FLAG_RESERVED5, FLAG_RESERVED8, PARENT_PATH, PATH_SEPARATOR, RENDER, RFLAG_CONTAINER_DEQUEING
Constructor and Description |
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AjaxLazyLoadPanel(String id)
Constructor
|
AjaxLazyLoadPanel(String id,
IModel<?> model)
Constructor
|
Modifier and Type | Method and Description |
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abstract Component |
getLazyLoadComponent(String markupId) |
Component |
getLoadingComponent(String markupId) |
protected void |
handleCallbackScript(IHeaderResponse response,
CharSequence callbackScript,
Component component)
Allows subclasses to change the callback script if needed.
|
protected void |
onBeforeRender()
Called just before a component is rendered only if the component is visible.
|
protected void |
onComponentLoaded(Component component,
AjaxRequestTarget target)
Called when the placeholder component is replaced with the lazy loaded one.
|
protected void |
updateAjaxAttributes(AjaxRequestAttributes attributes) |
getRegionMarkup, newMarkupSourcingStrategy
getWebApplication, getWebPage, getWebRequest, getWebResponse, getWebSession
add, addDequeuedComponent, addOrReplace, autoAdd, canDequeueTag, contains, dequeue, dequeue, dequeuePreamble, findChildComponent, findComponentToDequeue, get, get, getAssociatedMarkup, getAssociatedMarkupStream, getMarkup, getMarkupType, internalAdd, internalInitialize, iterator, iterator, newDequeueContext, onAfterRenderChildren, onComponentTagBody, onDetach, onInitialize, onRender, queue, remove, remove, removeAll, renderAll, renderAssociatedMarkup, renderNext, replace, setDefaultModel, size, swap, toString, toString, visitChildren, visitChildren, visitChildren, visitChildren
add, addStateChange, afterRender, beforeRender, canCallListenerInterface, canCallListenerInterfaceAfterExpiry, checkComponentTag, checkComponentTagAttribute, checkHierarchyChange, clearOriginalDestination, configure, continueToOriginalDestination, createConverter, debug, detach, detachModel, detachModels, determineVisibility, error, exceptionMessage, fatal, findMarkupStream, findPage, findParent, findParentWithAssociatedMarkup, getAjaxRegionMarkupId, getApplication, getBehaviorById, getBehaviorId, getBehaviors, getBehaviors, getClassRelativePath, getConverter, getDefaultModel, getDefaultModelObject, getDefaultModelObjectAsString, getDefaultModelObjectAsString, getEscapeModelStrings, getFeedbackMessages, getFlag, getId, getInnermostModel, getInnermostModel, getLocale, getLocalizer, getMarkup, getMarkupAttributes, getMarkupId, getMarkupId, getMarkupIdFromMarkup, getMarkupIdImpl, getMarkupSourcingStrategy, getMetaData, getModelComparator, getOutputMarkupId, getOutputMarkupPlaceholderTag, getPage, getPageRelativePath, getParent, getPath, getRenderBodyOnly, getRequest, getRequestCycle, getRequestFlag, getResponse, getSession, getSizeInBytes, getStatelessHint, getString, getString, getString, getStyle, getVariation, hasBeenRendered, hasErrorMessage, hasFeedbackMessage, info, initModel, internalOnModelChanged, internalPrepareForRender, internalRenderComponent, internalRenderHead, isActionAuthorized, isAuto, isBehaviorAccepted, isEnableAllowed, isEnabled, isEnabledInHierarchy, isIgnoreAttributeModifier, isRenderAllowed, isRendering, isStateless, isVersioned, isVisibilityAllowed, isVisible, isVisibleInHierarchy, markRendering, modelChanged, modelChanging, onAfterRender, onComponentTag, onConfigure, onEvent, onModelChanged, onModelChanging, onReAdd, onRemove, prepareForRender, redirectToInterceptPage, remove, remove, render, renderComponentTag, rendered, renderHead, renderHead, renderPlaceholderTag, replaceComponentTagBody, replaceWith, sameInnermostModel, sameInnermostModel, send, setAuto, setDefaultModelObject, setEnabled, setEscapeModelStrings, setFlag, setIgnoreAttributeModifier, setMarkup, setMarkupId, setMarkupIdImpl, setMetaData, setOutputMarkupId, setOutputMarkupPlaceholderTag, setParent, setRenderBodyOnly, setRequestFlag, setResponsePage, setResponsePage, setResponsePage, setVersioned, setVisibilityAllowed, setVisible, success, urlFor, urlFor, urlFor, urlFor, urlFor, visitParents, visitParents, warn, wrap
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
dequeue, newDequeueContext
public static final String LAZY_LOAD_COMPONENT_ID
public AjaxLazyLoadPanel(String id)
id
- protected void updateAjaxAttributes(AjaxRequestAttributes attributes)
protected void handleCallbackScript(IHeaderResponse response, CharSequence callbackScript, Component component)
response
- the current response that writes to the headercallbackScript
- the JavaScript to write in the headercomponent
- the component which produced the callback scriptprotected void onBeforeRender()
Component
NOTE: If you override this, you *must* call super.onBeforeRender() within
your implementation.
Because this method is responsible for cascading Component.onBeforeRender()
call to its
children it is strongly recommended that super call is made at the end of the override.
onBeforeRender
in class Component
Component.onBeforeRender()
public abstract Component getLazyLoadComponent(String markupId)
markupId
- The components markupid.protected void onComponentLoaded(Component component, AjaxRequestTarget target)
component
- The lazy loaded componenttarget
- The Ajax request handlerCopyright © 2006–2021 Apache Software Foundation. All rights reserved.