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Class TActiveLinkButton
TActiveLinkButton is the active control counter part to TLinkButton.
When a TActiveLinkButton is clicked, rather than a normal post back request a
callback request is initiated.
The onCallback OnCallback event is raised during a callback request
and it is raise after the onClick OnClick event.
When the TBaseActiveCallbackControl::setEnableUpdate
ActiveControl.EnableUpdate property is true, changing the setText Text
property during callback request will update the link text upon callback
response completion.
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TComponent
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TApplicationComponent
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TControl
implements
IRenderable,
IBindable
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TWebControl
implements
IStyleable
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TLinkButton
implements
IPostBackEventHandler,
IButtonControl,
IDataRenderer
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TActiveLinkButton
implements
IActiveControl,
ICallbackEventHandler
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, by calling 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, by calling 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 ICallbackEventHandlerICallbackEventHandler interface. If getCausesValidation CausesValidation is true, it will invoke the page's TPage::validate validate method first. It will raise onClick OnClick
event first and then the onCallback OnCallback event. This method is
mainly used by framework and control developers.
Raises the callback event. This method is required by ICallbackEventHandlerICallbackEventHandler interface. If getCausesValidation CausesValidation is true, it will invoke the page's TPage::validate validate method first. It will raise onClick OnClick
event first and then the 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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public
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#
setText( string $value )
Updates the link text on the client-side if the setEnableUpdate
EnableUpdate property is set to true.
Updates the link text on the client-side if the setEnableUpdate
EnableUpdate property is set to true.
Parameters
- $value
string caption of the button
Overrides
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protected
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protected
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addAttributesToRender( THtmlWriter $writer )
Ensure that the ID attribute is rendered and registers the javascript code
for initializing the active control.
Ensure that the ID attribute is rendered and registers the javascript code
for initializing the active control.
Parameters
- $writer
THtmlWriter
the writer used for the rendering purpose
Overrides
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public
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#
setEnabled( boolean $value )
Ensures that the anchor is rendered correctly when its Enabled property
changes in a callback
Ensures that the anchor is rendered correctly when its Enabled property
changes in a callback
Parameters
Overrides
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protected
string
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#
getClientClassName( )
Returns
string corresponding javascript class name for this TActiveLinkButton.
Overrides
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Methods inherited from TLinkButton
getCausesValidation(),
getCommandName(),
getCommandParameter(),
getData(),
getEnableClientScript(),
getIsDefaultButton(),
getPostBackOptions(),
getTagName(),
getText(),
getValidationGroup(),
onClick(),
onCommand(),
raisePostBackEvent(),
renderContents(),
renderLinkButtonHref(),
setCausesValidation(),
setCommandName(),
setCommandParameter(),
setData(),
setEnableClientScript(),
setIsDefaultButton(),
setValidationGroup()
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Methods inherited from TWebControl
clearStyle(),
copyBaseAttributes(),
createStyle(),
getAccessKey(),
getBackColor(),
getBorderColor(),
getBorderStyle(),
getBorderWidth(),
getCssClass(),
getDecorator(),
getDisplay(),
getEnsureId(),
getFont(),
getForeColor(),
getHasStyle(),
getHeight(),
getStyle(),
getTabIndex(),
getToolTip(),
getWidth(),
onPreRender(),
render(),
renderBeginTag(),
renderEndTag(),
setAccessKey(),
setBackColor(),
setBorderColor(),
setBorderStyle(),
setBorderWidth(),
setCssClass(),
setDisplay(),
setEnsureId(),
setForeColor(),
setHeight(),
setStyle(),
setTabIndex(),
setToolTip(),
setWidth()
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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(),
onUnload(),
preRenderRecursive(),
raiseBubbleEvent(),
registerObject(),
removeAttribute(),
removedControl(),
renderChildren(),
renderControl(),
saveState(),
saveStateRecursive(),
setAdapter(),
setAttribute(),
setChildControlsCreated(),
setControlStage(),
setControlState(),
setCustomData(),
setEnableTheming(),
setEnableViewState(),
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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