PHP 클래스 Prado\Web\UI\ActiveControls\TActiveDropDownList

The active control counter part to drop down list control. The {@link setAutoPostBack AutoPostBack} property is set to true by default. Thus, when the drop down list selection is changed the {@link onCallback OnCallback} event is raised after {@link OnSelectedIndexChanged} event. With {@link TBaseActiveControl::setEnableUpdate() ActiveControl.EnableUpdate} set to true (default is true), changes to the selection, after OnLoad event has been raised, will be updated. on the client side. List items can be changed dynamically during a callback request.
부터: 3.1
상속: extends Prado\Web\UI\WebControls\TDropDownList, implements Prado\Web\UI\ActiveControls\ICallbackEventHandler, implements Prado\Web\UI\ActiveControls\IActiveControl
파일 보기 프로젝트 열기: pradosoft/prado 1 사용 예제들

공개 메소드들

메소드 설명
__construct ( ) Creates a new callback control, sets the adapter to TActiveListControlAdapter. If you override this class, be sure to set the adapter appropriately by, for example, by calling this constructor.
getActiveControl ( ) : TBaseActiveCallbackControl
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.
onPreRender ( $param ) Updates the client-side options if the item list has changed after the OnLoad event.
raiseCallbackEvent ( $param ) Raises the callback event. This method is required by {@link ICallbackEventHandler} interface.

보호된 메소드들

메소드 설명
addAttributesToRender ( $writer ) Ensure that the ID attribute is rendered and registers the javascript code for initializing the active control.
createListItemCollection ( ) : TActiveListItemCollection Creates a collection object to hold list items. A specialized TActiveListItemCollection is created to allow the drop down list options to be added.
getClientClassName ( ) : null No client class for this control.
renderClientControlScript ( $writer ) Override parent implementation, no javascript is rendered here instead the javascript required for active control is registered in {@link addAttributesToRender}.

메소드 상세

__construct() 공개 메소드

Creates a new callback control, sets the adapter to TActiveListControlAdapter. If you override this class, be sure to set the adapter appropriately by, for example, by calling this constructor.
public __construct ( )

addAttributesToRender() 보호된 메소드

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

createListItemCollection() 보호된 메소드

This method may be overriden to create a customized collection.
protected createListItemCollection ( ) : TActiveListItemCollection
리턴 TActiveListItemCollection the collection object

getActiveControl() 공개 메소드

public getActiveControl ( ) : TBaseActiveCallbackControl
리턴 TBaseActiveCallbackControl standard callback control options.

getClientClassName() 보호된 메소드

This method overrides the parent implementation.
protected getClientClassName ( ) : null
리턴 null no javascript class name.

getClientSide() 공개 메소드

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

onCallback() 공개 메소드

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 )

onPreRender() 공개 메소드

Updates the client-side options if the item list has changed after the OnLoad event.
public onPreRender ( $param )

raiseCallbackEvent() 공개 메소드

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

renderClientControlScript() 보호된 메소드

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