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.
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프로젝트 열기: pradosoft/prado
1 사용 예제들
공개 메소드들
메소드 |
설명 |
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__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. |
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getActiveControl ( ) : TBaseActiveCallbackControl |
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getClientSide ( ) : TCallbackClientSide |
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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. |
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onPreRender ( $param ) |
Updates the client-side options if the item list has changed after the OnLoad event. |
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raiseCallbackEvent ( $param ) |
Raises the callback event. This method is required by {@link
ICallbackEventHandler} interface. |
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보호된 메소드들
메소드 |
설명 |
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addAttributesToRender ( $writer ) |
Ensure that the ID attribute is rendered and registers the javascript code
for initializing the active control. |
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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. |
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getClientClassName ( ) : null |
No client class for this control. |
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renderClientControlScript ( $writer ) |
Override parent implementation, no javascript is rendered here instead
the javascript required for active control is registered in {@link addAttributesToRender}. |
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메소드 상세
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.
addAttributesToRender()
보호된 메소드
Ensure that the ID attribute is rendered and registers the javascript code
for initializing the active control.
createListItemCollection()
보호된 메소드
This method may be overriden to create a customized collection.
getActiveControl()
공개 메소드
public getActiveControl ( ) : TBaseActiveCallbackControl |
리턴 |
TBaseActiveCallbackControl |
standard callback control options. |
getClientClassName()
보호된 메소드
This method overrides the parent implementation.
public getClientSide ( ) : TCallbackClientSide |
리턴 |
TCallbackClientSide |
client side request options. |
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.
Updates the client-side options if the item list has changed after the OnLoad event.
raiseCallbackEvent()
공개 메소드
This method is mainly used by framework and control developers.
renderClientControlScript()
보호된 메소드
Override parent implementation, no javascript is rendered here instead
the javascript required for active control is registered in {@link addAttributesToRender}.