Packagemx.controls.listClasses
Classpublic class BaseListData
InheritanceBaseListData Inheritance Object
SubclassesDataGridListData, ListData, TreeListData

The BaseListData class defines the data type of the listData property implemented by drop-in item renderers or drop-in item editors. All drop-in item renderers and drop-in item editors must implement the IDropInListItemRenderer interface, which defines the listData property.

The listData property is of type BaseListData, where the BaseListData class has three subclasses: DataGridListData, ListData, and TreeListData. The actual data type of the value of the listData property depends on the control using the drop-in item renderer or item editor. For a DataGrid control, the value is of type DataGridListData, for a List control the value is of type ListData, and for a Tree control, the value is of type TreeListData.

When used as a drop-in item renderer or drop-in item editor, Flex sets the listData property to a BaseListData-derived class containing information computed about the item in the data provider containing the data for the item.

While the properties of this class are writable, you should consider them to be read only. They are initialized by the list class, and read by an item renderer or item editor. Changing these values can lead to unexpected results.

See also

mx.controls.listClasses.IDropInListItemRenderer


Public Properties
 PropertyDefined by
 Inheritedconstructor : Object
A reference to the class object or constructor function for a given object instance.
Object
  label : String
The textual representation of the item data, based on the list class's itemToLabel() method.
BaseListData
  owner : IUIComponent
A reference to the list object that owns this item.
BaseListData
 Inheritedprototype : Object
[static] A reference to the prototype object of a class or function object.
Object
  rowIndex : int
The index of the item in the data provider.
BaseListData
  uid : String
The unique identifier for this item.
BaseListData
Public Methods
 MethodDefined by
  
BaseListData(label:String, uid:String, owner:IUIComponent, rowIndex:int = 0)
Constructor.
BaseListData
 Inherited
Indicates whether an object has a specified property defined.
Object
 Inherited
Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.
Object
 Inherited
Indicates whether the specified property exists and is enumerable.
Object
 Inherited
Sets the availability of a dynamic property for loop operations.
Object
 Inherited
Returns the string representation of the specified object.
Object
 Inherited
Returns the primitive value of the specified object.
Object
Property detail
labelproperty
public var label:String

The textual representation of the item data, based on the list class's itemToLabel() method.

ownerproperty 
public var owner:IUIComponent

A reference to the list object that owns this item. This should be a ListBase-derived class. This property is typed as IUIComponent so that drop-ins like Label and TextInput don't have to have dependencies on List and all of its dependencies.

rowIndexproperty 
public var rowIndex:int

The index of the item in the data provider.

uidproperty 
uid:String  [read-write]

The unique identifier for this item.

Implementation
    public function get uid():String
    public function set uid(value:String):void
Constructor detail
BaseListData()constructor
public function BaseListData(label:String, uid:String, owner:IUIComponent, rowIndex:int = 0)

Constructor.

Parameters
label:String — The textual representation of the item data.
 
uid:String — A unique identifier.
 
owner:IUIComponent — A reference to the list control.
 
rowIndex:int (default = 0) — The index of the item in the data provider for the list control.