source: EDIS/tags/ed/tracking-ui-core/src/main/flex/gov/va/med/edp/widget/accessibility/AccessibleLabelAccImpl.as@ 1240

Last change on this file since 1240 was 1240, checked in by George Lilly, 13 years ago

new version from the VA
File size: 2.9 KB
Line 
1package gov.va.med.edp.widget.accessibility
2{
3 import mx.accessibility.AccImpl;
4 import mx.controls.Label;
5 import flash.events.Event;
6 import flash.accessibility.Accessibility;
7 import flash.accessibility.AccessibilityProperties;
8 import mx.core.UIComponent;
9
10 /**
11 * The AccessibleLabelAccImpl class is the accessibility class for
12 * Accessible label component.
13 *
14 * @tiptext This is the AccessibleLabelAccImpl Accessibility Class.
15 */
16 public class AccessibleLabelAccImpl extends AccImpl
17 {
18 /**
19 * @private
20 */
21 private static const EVENT_OBJECT_NAMECHANGE:uint = 0x800C;
22
23 /**
24 * @private
25 */
26 private const ROLE_SYSTEM_STATICTEXT:uint = 0x29;
27
28 /**
29 * @private
30 * Default Role of label component.
31 */
32 private const ROLE_SYSTEM_TEXT:uint = 0x0000002A;
33
34 /**
35 * Constructor
36 */
37 public function AccessibleLabelAccImpl(master:UIComponent)
38 {
39 super(master);
40 }
41
42 /**
43 * Method call for enabling accessibility for a component.
44 * this method is required for the compiler to activate
45 * the accessibility classes for a component.
46 */
47 public static function enableAccessibility():void
48 {
49 }
50
51 /**
52 * @private
53 * method for returning the name of the accessible label
54 *
55 * @param childID uint
56 *
57 * @return Name String
58 * @review
59 */
60 override protected function getName(childID:uint):String
61 {
62 var label:String = IAccessibleComponent(master).accessibleText;
63 return label != null && label != "" ? label : "";
64 }
65
66 /**
67 * @private
68 * Method for returning the state of the accessible label
69 *
70 * @param childID uint
71 *
72 * @return State uint
73 */
74 override public function get_accState(childID:uint):uint
75 {
76 var accState:uint = getState(childID);
77
78 return accState;
79 }
80
81 /**
82 * @private
83 * Gets the role for the component.
84 *
85 * @param childID uint.
86 */
87 override public function get_accRole(childID:uint):uint
88 {
89 return ROLE_SYSTEM_TEXT ;
90 }
91
92 /**
93 * @private
94 * Array of events that we should listen for from the master component.
95 */
96 override protected function get eventsToHandle():Array
97 {
98 return super.eventsToHandle.concat(["labelChanged"]);
99 }
100
101 /**
102 * @private
103 * Override the generic event handler.
104 * All AccImpl must implement this to listen for events
105 * from its master component.
106 */
107 override protected function eventHandler(event:Event):void
108 {
109 switch (event.type)
110 {
111 /* tell JAWS to update and reread the information */
112 case "accessibleTextChanged":
113 {
114 Accessibility.sendEvent(master, 0, EVENT_OBJECT_NAMECHANGE);
115 Accessibility.updateProperties();
116 break;
117 }
118 }
119 }
120
121
122 }
123}
Note: See TracBrowser for help on using the repository browser.