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Classes:
Keyword

Class TActiveHiddenField

TComponent
   |
   --TApplicationComponent
      |
      --TControl
         |
         --THiddenField
            |
            --TActiveHiddenField

TActiveHiddenField class

TActiveHiddenField displays a hidden input field on a Web page. The value of the input field can be accessed via Value property.

Since: 3.1
Author: Carl G. Mathisen <carlgmathisen@gmail.com>
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,

Constructor Summary
public
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.

Method Summary
protected  void
addAttributesToRender ( mixed $writer)
Ensure that the ID attribute is rendered and registers the javascript code for initializing the active control.
TBaseActiveCallbackControl
protected  string
Gets the name of the javascript class responsible for performing postback for this control.
TCallbackClientSide
void
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.
void
Raises the callback event. This method is required by ICallbackEventHandler interface.
protected  void
renderClientControlScript ( mixed $writer)
Override parent implementation, no javascript is rendered here instead the javascript required for active control is registered in addAttributesToRender.
void
setValue ( string $value)
Client-side Value property can only be updated after the OnLoad stage.
Methods Inherited From THiddenField
THiddenField::focus(), THiddenField::getData(), THiddenField::getDataChanged(), THiddenField::getEnableTheming(), THiddenField::getIsValid(), THiddenField::getTagName(), THiddenField::getValidationPropertyValue(), THiddenField::getValue(), THiddenField::loadPostData(), THiddenField::onValueChanged(), THiddenField::raisePostDataChangedEvent(), THiddenField::render(), THiddenField::setData(), THiddenField::setEnableTheming(), THiddenField::setIsValid(), THiddenField::setSkinID(), THiddenField::setValue()
Methods Inherited From TControl
TControl::addedControl(), TControl::addParsedObject(), TControl::addToPostDataLoader(), TControl::applyStyleSheetSkin(), TControl::autoBindProperty(), TControl::autoDataBindProperties(), TControl::bindProperty(), TControl::broadcastEvent(), TControl::bubbleEvent(), TControl::clearChildState(), TControl::clearControlState(), TControl::clearNamingContainer(), TControl::clearViewState(), TControl::convertUniqueIdToClientId(), TControl::createChildControls(), TControl::createControlCollection(), TControl::dataBind(), TControl::dataBindChildren(), TControl::dataBindProperties(), TControl::ensureChildControls(), TControl::findControl(), TControl::findControlsByID(), TControl::findControlsByType(), TControl::focus(), TControl::getAdapter(), TControl::getAllowChildControls(), TControl::getAttribute(), TControl::getAttributes(), TControl::getChildControlsCreated(), TControl::getClientID(), TControl::getControls(), TControl::getControlStage(), TControl::getControlState(), TControl::getCustomData(), TControl::getEnabled(), TControl::getEnableTheming(), TControl::getEnableViewState(), TControl::getHasAdapter(), TControl::getHasAttributes(), TControl::getHasChildInitialized(), TControl::getHasControls(), TControl::getHasInitialized(), TControl::getHasLoaded(), TControl::getHasLoadedPostData(), TControl::getHasPreRendered(), TControl::getID(), TControl::getNamingContainer(), TControl::getPage(), TControl::getParent(), TControl::getRegisteredObject(), TControl::getSkinID(), TControl::getSourceTemplateControl(), TControl::getTemplateControl(), TControl::getUniqueID(), TControl::getViewState(), TControl::getVisible(), TControl::hasAttribute(), TControl::initRecursive(), TControl::isDescendentOf(), TControl::isObjectRegistered(), TControl::loadRecursive(), TControl::loadState(), TControl::loadStateRecursive(), TControl::onDataBinding(), TControl::onInit(), TControl::onLoad(), TControl::onPreRender(), TControl::onUnload(), TControl::preRenderRecursive(), TControl::raiseBubbleEvent(), TControl::registerObject(), TControl::removeAttribute(), TControl::removedControl(), TControl::render(), TControl::renderChildren(), TControl::renderControl(), TControl::saveState(), TControl::saveStateRecursive(), TControl::setAdapter(), TControl::setAttribute(), TControl::setChildControlsCreated(), TControl::setControlStage(), TControl::setControlState(), TControl::setCustomData(), TControl::setEnabled(), TControl::setEnableTheming(), TControl::setEnableViewState(), TControl::setID(), TControl::setPage(), TControl::setSkinID(), TControl::setTemplateControl(), TControl::setViewState(), TControl::setVisible(), TControl::trackViewState(), TControl::traverseChildControls(), TControl::unbindProperty(), TControl::unloadRecursive(), TControl::unregisterObject(), TControl::__get()
Methods Inherited From TApplicationComponent
TApplicationComponent::getApplication(), TApplicationComponent::getRequest(), TApplicationComponent::getResponse(), TApplicationComponent::getService(), TApplicationComponent::getSession(), TApplicationComponent::getUser(), TApplicationComponent::publishAsset(), TApplicationComponent::publishFilePath()
Methods Inherited From TComponent
TComponent::addParsedObject(), TComponent::attachEventHandler(), TComponent::canGetProperty(), TComponent::canSetProperty(), TComponent::createdOnTemplate(), TComponent::detachEventHandler(), TComponent::evaluateExpression(), TComponent::evaluateStatements(), TComponent::getEventHandlers(), TComponent::getSubProperty(), TComponent::hasEvent(), TComponent::hasEventHandler(), TComponent::hasProperty(), TComponent::raiseEvent(), TComponent::setSubProperty(), TComponent::__get(), TComponent::__set()

Constant Summary

Constructor Details

__construct

public __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.


Method Details

addAttributesToRender

protected void addAttributesToRender (mixed $writer )

Ensure that the ID attribute is rendered and registers the javascript code for initializing the active control.

Input
mixed$writer
Output
Exception

getActiveControl

public TBaseActiveCallbackControl getActiveControl ()

Output
TBaseActiveCallbackControl standard callback control options.
Exception

getClientClassName

protected string getClientClassName ()

Gets the name of the javascript class responsible for performing postback for this control.

This method overrides the parent implementation.

Output
string the javascript class name
Exception

getClientSide

public TCallbackClientSide getClientSide ()

Output
TCallbackClientSide client side request options.
Exception

onCallback

public void 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.

Input
TCallbackEventParameter$paramevent parameter to be passed to the event handlers
Output
Exception

raiseCallbackEvent

public void raiseCallbackEvent (TCallbackEventParameter $param )

Raises the callback event. This method is required by ICallbackEventHandler interface.

This method is mainly used by framework and control developers.

Input
TCallbackEventParameter$paramthe event parameter
Output
Exception

renderClientControlScript

protected void renderClientControlScript (mixed $writer )

Override parent implementation, no javascript is rendered here instead the javascript required for active control is registered in addAttributesToRender.

Input
mixed$writer
Output
Exception

setValue

public void setValue (string $value )

Client-side Value property can only be updated after the OnLoad stage.

Input
string$valuetext content for the hidden field
Output
Exception