1 | package gov.va.med.edp.widget
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2 | {
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3 | import mx.events.FlexMouseEvent;
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4 | import mx.events.FlexEvent;
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5 | import mx.controls.NumericStepper;
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6 | import mx.core.mx_internal;
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7 | import mx.core.UIComponent;
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8 | import mx.managers.IFocusManagerComponent;
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9 |
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10 | import flash.events.FocusEvent;
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11 | import flash.events.Event;
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12 | import flash.accessibility.AccessibilityProperties;
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13 | import flash.events.KeyboardEvent;
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14 | import flash.events.MouseEvent;
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15 | import flash.ui.Keyboard;
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16 |
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17 | use namespace mx_internal;
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18 |
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19 | [AccessibilityClass(implementation="gov.va.med.edp.widget.accessibility.NumericStepperAccImpl")]
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20 |
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21 | [Event(name="dataChange", type="mx.events.FlexEvent")]
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22 |
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23 | /**
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24 | * Dispatched when the user presses the Enter key.
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25 | *
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26 | * @eventType mx.events.FlexEvent.ENTER
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27 | */
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28 | [Event(name="enter", type="mx.events.FlexEvent")]
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29 |
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30 |
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31 | [DataBindingInfo("editEvents", ""focusIn;focusOut"stepSizeMouseClickChanged"")]
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32 |
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33 | [DefaultBindingProperty(source="text", destination="text")]
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34 |
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35 |
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36 | public class AccessibleNumericStepper extends NumericStepper //implements IFocusManagerComponent
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37 | {
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38 | /**
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39 | * @private
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40 | * Placeholder for mixin by ComboBoxAccImpl.
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41 | */
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42 | mx_internal static var createAccessibilityImplementation:Function;
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43 |
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44 | /**
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45 | * @private
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46 | */
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47 | private var iNum:int;
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48 |
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49 | /**
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50 | * Constructor
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51 | */
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52 | public function AccessibleNumericStepper()
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53 | {
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54 | super();
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55 | tabChildren = true;
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56 | tabEnabled = true;
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57 | this.addEventListener(KeyboardEvent.KEY_UP,keyButtonHandler);
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58 | this.addEventListener(MouseEvent.CLICK,buttonClickHandler);
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59 | }
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60 |
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61 | /**
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62 | * @protected
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63 | * Activates accessibility
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64 | */
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65 | override protected function initializeAccessibility():void
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66 | {
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67 | if (AccessibleNumericStepper.createAccessibilityImplementation != null)
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68 | AccessibleNumericStepper.createAccessibilityImplementation(this);
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69 | }
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70 |
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71 | /**
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72 | * @protected
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73 | * Method that handles focus in events
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74 | */
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75 | override protected function focusInHandler(event:FocusEvent):void
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76 | {
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77 | super.focusInHandler(event);
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78 | drawFocus(true);
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79 | dispatchEvent(new Event("numericStepperFocused"));
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80 | //event.stopPropagation();
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81 | }
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82 |
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83 | /**
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84 | * @private
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85 | * Method that handles mouse button click events
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86 | */
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87 | private function buttonClickHandler(event:MouseEvent):void
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88 | {
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89 | dispatchEvent(new Event("stepSizeMouseClickChanged"));
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90 | }
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91 |
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92 | /**
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93 | * @private
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94 | * Method that handles key button down events
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95 | */
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96 | private function keyButtonHandler(event:KeyboardEvent):void
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97 | {
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98 | switch (event.keyCode)
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99 | {
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100 | case Keyboard.ENTER:
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101 | {
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102 | dispatchEvent(new FlexEvent(FlexEvent.ENTER));
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103 | break;
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104 | }
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105 | case Keyboard.DOWN:
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106 | {
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107 | dispatchEvent(new FlexEvent(FlexEvent.BUTTON_DOWN));
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108 | break;
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109 | }
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110 | }
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111 |
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112 | dispatchEvent(new Event("stepSizeChanged"));
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113 | }
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114 |
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115 |
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116 | /**
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117 | * @private
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118 | */
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119 | override public function get tabIndex():int
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120 | {
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121 | return iNum;
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122 | }
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123 |
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124 | /**
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125 | * @private
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126 | */
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127 | override public function set tabIndex(value:int):void
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128 | {
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129 | iNum = value;
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130 | }
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131 |
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132 |
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133 | }
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134 | }
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