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Class TCallback
TCallback component class.
The TCallback provides a basic callback handler that can be invoked from the
client side by running the javascript code obtained from the TBaseActiveCallbackControl::getJavascript ActiveControl.Javascript property.
The event onCallback OnCallback is raised when a callback is requested
made.
Example usage:
<com:TCallback ID="callback1" OnCallback="callback1_Requested" />
<script type="text/javascript">
function do_callback1()
{
var request = <%= $this->callback1->ActiveControl->Javascript %>;
request.dispatch();
}
</script>
<div onclick="do_callback1()">Click Me!</div>
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TComponent
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TApplicationComponent
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TControl
implements
IRenderable,
IBindable
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TCallback
implements
ICallbackEventHandler,
IActiveControl
Methods summary
public
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#
__construct( )
Creates a new callback control, sets the adapter to TActiveControlAdapter. If
you override this class, be sure to set the adapter appropriately by, for
example, call this constructor.
Creates a new callback control, sets the adapter to TActiveControlAdapter. If
you override this class, be sure to set the adapter appropriately by, for
example, call this constructor.
Overrides
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public
TBaseActiveCallbackControl
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#
getActiveControl( )
Returns
Implementation of
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public
TCallbackClientSide
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public
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raiseCallbackEvent( TCallbackEventParameter $param )
Raises the callback event. This method is required by ICallbackEventHandler ICallbackEventHandler interface. If getCausesValidation ActiveControl.CausesValidation is true, it will invoke the
page's TPage::validate validate method first. It will raise onCallback OnCallback event. This method is mainly used by framework and
control developers.
Raises the callback event. This method is required by ICallbackEventHandler ICallbackEventHandler interface. If getCausesValidation ActiveControl.CausesValidation is true, it will invoke the
page's TPage::validate validate method first. It will raise onCallback OnCallback event. This method is mainly used by framework and
control developers.
Parameters
Implementation of
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public
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#
onCallback( TCallbackEventParameter $param )
This method is invoked when a callback is requested. The method raises
'OnCallback' event to fire up the event handlers. If you override this method,
be sure to call the parent implementation so that the event handler can be
invoked.
This method is invoked when a callback is requested. The method raises
'OnCallback' event to fire up the event handlers. If you override this method,
be sure to call the parent implementation so that the event handler can be
invoked.
Parameters
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Methods inherited from TControl
__get(),
addParsedObject(),
addToPostDataLoader(),
addedControl(),
applyStyleSheetSkin(),
autoBindProperty(),
autoDataBindProperties(),
bindProperty(),
broadcastEvent(),
bubbleEvent(),
clearChildState(),
clearControlState(),
clearNamingContainer(),
clearViewState(),
convertUniqueIdToClientId(),
createChildControls(),
createControlCollection(),
dataBind(),
dataBindChildren(),
dataBindProperties(),
ensureChildControls(),
findControl(),
findControlsByID(),
findControlsByType(),
focus(),
getAdapter(),
getAllowChildControls(),
getAttribute(),
getAttributes(),
getChildControlsCreated(),
getClientID(),
getControlStage(),
getControlState(),
getControls(),
getCustomData(),
getEnableTheming(),
getEnableViewState(),
getEnabled(),
getHasAdapter(),
getHasAttributes(),
getHasChildInitialized(),
getHasControls(),
getHasInitialized(),
getHasLoaded(),
getHasLoadedPostData(),
getHasPreRendered(),
getID(),
getIsSkinApplied(),
getNamingContainer(),
getPage(),
getParent(),
getRegisteredObject(),
getSkinID(),
getSourceTemplateControl(),
getTemplateControl(),
getUniqueID(),
getViewState(),
getVisible(),
hasAttribute(),
initRecursive(),
isDescendentOf(),
isObjectRegistered(),
loadRecursive(),
loadState(),
loadStateRecursive(),
onDataBinding(),
onInit(),
onLoad(),
onPreRender(),
onUnload(),
preRenderRecursive(),
raiseBubbleEvent(),
registerObject(),
removeAttribute(),
removedControl(),
render(),
renderChildren(),
renderControl(),
saveState(),
saveStateRecursive(),
setAdapter(),
setAttribute(),
setChildControlsCreated(),
setControlStage(),
setControlState(),
setCustomData(),
setEnableTheming(),
setEnableViewState(),
setEnabled(),
setID(),
setPage(),
setSkinID(),
setTemplateControl(),
setViewState(),
setVisible(),
trackViewState(),
traverseChildControls(),
unbindProperty(),
unloadRecursive(),
unregisterObject()
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Methods inherited from TComponent
__call(),
__destruct(),
__isset(),
__set(),
__sleep(),
__unset(),
__wakeup(),
asa(),
attachBehavior(),
attachBehaviors(),
attachClassBehavior(),
attachEventHandler(),
canGetProperty(),
canSetProperty(),
clearBehaviors(),
createdOnTemplate(),
detachBehavior(),
detachBehaviors(),
detachClassBehavior(),
detachEventHandler(),
disableBehavior(),
disableBehaviors(),
enableBehavior(),
enableBehaviors(),
evaluateExpression(),
evaluateStatements(),
fxAttachClassBehavior(),
fxDetachClassBehavior(),
getAutoGlobalListen(),
getBehaviorsEnabled(),
getClassHierarchy(),
getEventHandlers(),
getListeningToGlobalEvents(),
getSubProperty(),
hasEvent(),
hasEventHandler(),
hasProperty(),
isa(),
listen(),
raiseEvent(),
setSubProperty(),
unlisten()
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Constants inherited from TControl
AUTOMATIC_ID_PREFIX,
CLIENT_ID_SEPARATOR,
CS_CHILD_INITIALIZED,
CS_CONSTRUCTED,
CS_INITIALIZED,
CS_LOADED,
CS_PRERENDERED,
CS_STATE_LOADED,
ID_FORMAT,
ID_SEPARATOR,
IS_CHILD_CREATED,
IS_CREATING_CHILD,
IS_DISABLE_THEMING,
IS_DISABLE_VIEWSTATE,
IS_ID_SET,
IS_SKIN_APPLIED,
IS_STYLESHEET_APPLIED,
RF_ADAPTER,
RF_AUTO_BINDINGS,
RF_CHILD_STATE,
RF_CONTROLS,
RF_CONTROLSTATE,
RF_DATA_BINDINGS,
RF_EVENTS,
RF_NAMED_CONTROLS,
RF_NAMED_CONTROLS_ID,
RF_NAMED_OBJECTS,
RF_SKIN_ID
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