PHP Класс Prado\Web\UI\ActiveControls\TActiveImageButton

TActiveImageButton is the active control counter part to TImageButton. When a TActiveImageButton is clicked, rather than a normal post back request a callback request is initiated. The {@link onCallback OnCallback} event is raised during a callback request and it is raise after the {@link onClick OnClick} event.
С версии: 3.1
Наследование: extends Prado\Web\UI\WebControls\TImageButton, implements Prado\Web\UI\ActiveControls\IActiveControl, implements Prado\Web\UI\ActiveControls\ICallbackEventHandler
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Открытые методы

Метод Описание
__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.
getActiveControl ( ) : TBaseActiveControl
getClientSide ( ) : TCallbackClientSide
onCallback ( $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.
raiseCallbackEvent ( $param ) Raises the callback event. This method is required by {@link ICallbackEventHandler ICallbackEventHandler} interface. If {@link getCausesValidation CausesValidation} is true, it will invoke the page's {@link TPage::validate} method first. It will raise {@link onClick OnClick} event first and then the {@link onCallback OnCallback} event.
setAlternateText ( $value ) Sets the alternative text to be displayed in the TImage when the image is unavailable.
setDescriptionUrl ( $value )
setImageAlign ( $value ) Sets the alignment of the image with respective to other elements on the page.
setImageUrl ( $value )

Защищенные методы

Метод Описание
addAttributesToRender ( $writer ) Ensure that the ID attribute is rendered and registers the javascript code for initializing the active control.
getClientClassName ( ) : string
renderClientControlScript ( $writer ) Override parent implementation, no javascript is rendered here instead the javascript required for active control is registered in {@link addAttributesToRender}.

Описание методов

__construct() публичный Метод

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.
public __construct ( )

addAttributesToRender() защищенный Метод

Ensure that the ID attribute is rendered and registers the javascript code for initializing the active control.
protected addAttributesToRender ( $writer )

getActiveControl() публичный Метод

public getActiveControl ( ) : TBaseActiveControl
Результат TBaseActiveControl basic active control options.

getClientClassName() защищенный Метод

protected getClientClassName ( ) : string
Результат string corresponding javascript class name for this TActiveLinkButton.

getClientSide() публичный Метод

public getClientSide ( ) : TCallbackClientSide
Результат TCallbackClientSide client side request options.

onCallback() публичный Метод

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.
public onCallback ( $param )

raiseCallbackEvent() публичный Метод

This method is mainly used by framework and control developers.
public raiseCallbackEvent ( $param )

renderClientControlScript() защищенный Метод

Override parent implementation, no javascript is rendered here instead the javascript required for active control is registered in {@link addAttributesToRender}.
protected renderClientControlScript ( $writer )

setAlternateText() публичный Метод

Sets the alternative text to be displayed in the TImage when the image is unavailable.
public setAlternateText ( $value )

setDescriptionUrl() публичный Метод

public setDescriptionUrl ( $value )

setImageAlign() публичный Метод

Possible values include: absbottom, absmiddle, baseline, bottom, left, middle, right, texttop, and top. If an empty string is passed in, imagealign attribute will not be rendered.
public setImageAlign ( $value )

setImageUrl() публичный Метод

public setImageUrl ( $value )