AbstractDropDownByIndex 

 

The AbstractDropDownByIndex UI element is the abstract base class of a dropdown list box that uses the Index Binding Model for data binding.

The view context provides the content to be displayed in the dropdown list box and the selected index.

The view context must contain a context node X that can store any number of node elements (cardinality=0..n). Each node element represents an entry in the dropdown list box.

The context node X contains a context attribute y that provides the texts for the list entries. The data type of the context attribute y can be any simple data type – for example, string, integer, and so on. If the data type of the context attribute y is not of the type String, this type is converted into a String representation by the Web Dynpro Framework. The selected value is specified by the lead selection of the node X.

The texts property of the DropDownByIndex UI element is bound to the attribute y by assigning the path of the context X.y to the texts property.

 

Runtime Class

CL_WD_ABSTRACT_DROPDOWN_BY_IDX

 

Properties in the View Designer

Name	Type	Initial Value	Bindable
ID	STRING	(automatic)	no
enabled	WDY_BOOLEAN	true	yes
readOnly	WDY_BOOLEAN	false	yes
selectionChangeBehaviour	WDUI_LEAD_SEL_CHNG_BEHVR	auto	no
state	WDUI_STATE	normal	yes
texts	Text		Mandatory
textDirection	WDUI_TEXT_DIRECTION	inherit	yes
tooltip	Text		yes
visible	WDUI_VISIBILITY	visible	yes
width	STRING		yes

 

Events in the View Designer

Name

onSelect

Further properties that can be inherited are defined in the associated higher-level class.  The associated interface elements are:

            AbstractDropDown

            UIElement

    ViewElement

Dynamic Programming

For dynamic programming the same properties, events, and aggregations are provide in the View Designer. Bear in mind the different spellings.

Dynamic Programming of Properties

View Designer Name	Runtime Name	Type
enabled	ENABLED	WDY_BOOLEAN
labelFor	LABEL_FOR	STRING
readOnly	READ_ONLY	WDY_BOOLEAN
selectionChangeBehaviour	SELECTION_CHANGE_BEHAVIOUR	WDUI_LEAD_SEL_CHNG_BEHVR
selectionChangeBehaviour: auto	CL_WD_ABSTRACT_DROPDOWN_BY_IDX=>E_SELECTION_CHANGE_BEHAVIOUR-AUTO
selectionChangeBehaviour: manual	CL_WD_ABSTRACT_DROPDOWN_BY_IDX=>E_SELECTION_CHANGE_BEHAVIOUR-MANUAL
state	STATE	WDUI_STATE
state: normal	CL_WD_ABSTRACT_DROPDOWN_BY_IDX=>E_STATE-NORMAL
state: required	CL_WD_ABSTRACT_DROPDOWN_BY_IDX=>E_STATE-REQUIRED
texts	TEXTS	WDY_MD_TRANSLATABLE_TEXT
textDirection	TEXT_DIRECTION	WDUI_TEXT_DIRECTION
textDirection: inherit	CL_WD_ABSTRACT_DROPDOWN_BY_IDX=>E_TEXT_DIRECTION-INHERIT
textDirection: ltr	CL_WD_ABSTRACT_DROPDOWN_BY_IDX=>E_TEXT_DIRECTION-LTR
textDirection: rtl	CL_WD_ABSTRACT_DROPDOWN_BY_IDX=>E_TEXT_DIRECTION-RTL
tooltip	TOOLTIP	WDY_MD_TRANSLATABLE_TEXT
visible	VISIBLE	WDUI_VISIBILITY
visible: none	CL_WD_ABSTRACT_DROPDOWN_BY_IDX=>E_VISIBLE-NONE
visible: visible	CL_WD_ABSTRACT_DROPDOWN_BY_IDX=>E_VISIBLE-VISIBLE
width	WIDTH	STRING

 

Dynamic Programming of Events

View Designer Name	Runtime Name
onSelect	ON_SELECT