fl.accessibility.DataGridAccImpl - ActionScript® 3.0 Reference for the Adobe® Flash® Platform

Package	fl.accessibility
Class	public class DataGridAccImpl
Inheritance	DataGridAccImpl SelectableListAccImpl AccImpl AccessibilityImplementation Object

Language Version:

ActionScript 3.0

Product Version:

Flash CS3

Runtime Versions:

Flash Player 9.0.28.0, AIR 1.0

The DataGridAccImpl class, also called the DataGrid Accessibility Implementation class, is used to make a DataGrid component accessible.

The DataGridAccImpl class supports system roles, object-based events, and states.

A DataGrid reports the role ROLE_SYSTEM_LIST (0x21) to a screen reader. Items of a DataGrid report the role ROLE_SYSTEM_LISTITEM (0x22).

A DataGrid reports the following states to a screen reader:

STATE_SYSTEM_NORMAL (0x00000000)
STATE_SYSTEM_UNAVAILABLE (0x00000001)
STATE_SYSTEM_FOCUSED (0x00000004)
STATE_SYSTEM_FOCUSABLE (0x00100000)

Additionally, items of a DataGrid report the following states:

STATE_SYSTEM_SELECTED (0x00000002)
STATE_SYSTEM_FOCUSED (0x00000004)
STATE_SYSTEM_INVISIBLE (0x00008000)
STATE_SYSTEM_OFFSCREEN (0x00010000)
STATE_SYSTEM_SELECTABLE (0x00200000)

A DataGrid dispatches the following events to a screen reader:

EVENT_OBJECT_FOCUS (0x8005)
EVENT_OBJECT_SELECTION (0x8006)
EVENT_OBJECT_STATECHANGE (0x800A)
EVENT_OBJECT_NAMECHANGE (0x800C)

Related API Elements

DataGrid

Public Properties

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	Property		Defined By
		constructor : Object A reference to the class object or constructor function for a given object instance.	Object
		errno : uint Indicates an error code.	AccessibilityImplementation
		prototype : Object [static] A reference to the prototype object of a class or function object.	Object
		stub : Boolean Used to create a component accessibility stub.	AccessibilityImplementation

Public Methods

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	Method		Defined By
		accDoDefaultAction(childID:uint):void An IAccessible method that performs the default action associated with the component that this AccessibilityImplementation represents or of one of its child elements.	AccessibilityImplementation
		accLocation(childID:uint):* MSAA method for returning a DisplayObject or Rectangle specifying the bounding box of a child element in the AccessibilityImplementation.	AccessibilityImplementation
		accSelect(operation:uint, childID:uint):void IAccessible method for altering the selection in the component that this AccessibilityImplementation represents.	AccessibilityImplementation
		enableAccessibility():void [static] Enables accessibility for a DataGrid component.	DataGridAccImpl
		get_accDefaultAction(childID:uint):String MSAA method for returning the default action of the component that this AccessibilityImplementation represents or of one of its child elements.	AccessibilityImplementation
		get_accFocus():uint MSAA method for returning the unsigned integer ID of the child element, if any, that has child focus within the component.	AccessibilityImplementation
		get_accName(childID:uint):String MSAA method for returning the name for the component that this AccessibilityImplementation represents or for one of its child elements.	AccessibilityImplementation
		get_accRole(childID:uint):uint MSAA method for returning the system role for the component that this AccessibilityImplementation represents or for one of its child elements.	AccessibilityImplementation
		get_accSelection():Array MSAA method for returning an array containing the IDs of all child elements that are selected.	AccessibilityImplementation
		get_accState(childID:uint):uint IAccessible method for returning the current runtime state of the component that this AccessibilityImplementation represents or of one of its child elements.	AccessibilityImplementation
		get_accValue(childID:uint):String MSAA method for returning the runtime value of the component that this AccessibilityImplementation represents or of one of its child elements.	AccessibilityImplementation
		getChildIDArray():Array Returns an array containing the unsigned integer IDs of all child elements in the AccessibilityImplementation.	AccessibilityImplementation
		hasOwnProperty(name:String):Boolean Indicates whether an object has a specified property defined.	Object
		isLabeledBy(labelBounds:Rectangle):Boolean Returns true or false to indicate whether a text object having a bounding box specified by a x, y, width, and height should be considered a label for the component that this AccessibilityImplementation represents.	AccessibilityImplementation
		isPrototypeOf(theClass:Object):Boolean Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.	Object
		propertyIsEnumerable(name:String):Boolean Indicates whether the specified property exists and is enumerable.	Object
		setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void Sets the availability of a dynamic property for loop operations.	Object
		toLocaleString():String Returns the string representation of this object, formatted according to locale-specific conventions.	Object
		toString():String Returns the string representation of the specified object.	Object
		valueOf():Object Returns the primitive value of the specified object.	Object

Method Detail

enableAccessibility

()

method

public static function enableAccessibility():void

Language Version:

ActionScript 3.0

Product Version:

Flash CS3

Runtime Versions:

Flash Player 9.0.28.0, AIR 1.0

Enables accessibility for a DataGrid component. This method is required for the compiler to activate the accessibility classes for a component.

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enableAccessibility