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</script><div xmlns:fn="http://www.w3.org/2005/xpath-functions" class="MainContent"><table class="classHeaderTable" cellpadding="0" cellspacing="0"><tr><td class="classHeaderTableLabel">Package</td><td><a href="package-detail.html" onclick="javascript:loadClassListFrame('class-list.html')">spark.accessibility</a></td></tr><tr><td class="classHeaderTableLabel">Class</td><td class="classSignature">public class TextBaseAccImpl</td></tr><tr><td class="classHeaderTableLabel">Inheritance</td><td class="inheritanceList">TextBaseAccImpl <img src="../../images/inherit-arrow.gif" title="Inheritance" alt="Inheritance" class="inheritArrow"> <a href="../../mx/accessibility/AccImpl.html">AccImpl</a> <img src="../../images/inherit-arrow.gif" title="Inheritance" alt="Inheritance" class="inheritArrow"> flash.accessibility.AccessibilityImplementation</td></tr></table><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version :&nbsp;</b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version :&nbsp;</b></td><td>Flex 4</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions :&nbsp;</b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p></p><p></p>
TextBaseAccImpl is the accessibility implementation class
for spark.components.TextBase.
<p>When a Spark Label or RichText component is created,
its <code>accessibilityImplementation</code> property
is set to an instance of this class.
The Flash Player then uses this class to allow MSAA clients
such as screen readers to see and manipulate
the Label or RichText component.
See the mx.accessibility.AccImpl and
flash.accessibility.AccessibilityImplementation classes
for background information about accessibility implementation
classes and MSAA.</p>
<p>
<b>Children</b>
</p>
<p>A TextBase has no MSAA children.</p>
<p>
<b>Role</b>
</p>
<p>The MSAA Role of a TextBase is ROLE_SYSTEM_STATICTEXT.</p>
<p>
<b>Name</b>
</p>
<p>The MSAA Name of a TextBase is, by default, the text that it displays.
When wrapped in a FormItem,
this text will be combined with the FormItem's label.
To override this behavior,
set the component's <code>accessibilityName</code> property.</p>
<p>When the Name changes,
a TextBase dispatches the MSAA event EVENT_OBJECT_NAMECHANGE.</p>
<p>
<b>Description</b>
</p>
<p>The MSAA Description of a TextBase is, by default, the empty string,
but you can set the TextBase's <code>accessibilityDescription</code>
property.</p>
<p>
<b>State</b>
</p>
<p>The MSAA State of a TextBase is a combination of:
<ul>
<li>STATE_SYSTEM_UNAVAILABLE (when enabled is false)</li>
<li>STATE_SYSTEM_READONLY</li>
</ul>
</p>
<p>When the State changes,
a TextBase dispatches the MSAA event EVENT_OBJECT_STATECHANGE.</p>
<p>
<b>Value</b>
</p>
<p>A TextBase does not have an MSAA Value.</p>
<p>
<b>Location</b>
</p>
<p>The MSAA Location of a TextBase is its bounding rectangle.</p>
<p>
<b>Default Action</b>
</p>
<p>A TextBase does not have an MSAA DefaultAction.</p>
<p>
<b>Focus</b>
</p>
<p>A TextBase does not accept focus.</p>
<p>
<b>Selection</b>
</p>
<p>A TextBase does not support selection in the MSAA sense.</p>
<p>
<b>Other</b>
</p>
<p>MSAA documentation suggests that the <code>accessibilityShortcut</code>
should be set to the shortcut keystroke for any associated input component.
Since the shortcut is an accessibility property
and not implementable by an AccessibilityImplementation
it is not addressed in TextBaseAccImpl.</p>
<p></p><br/><hr></div><a name="protectedPropertySummary"></a><div class="summarySection"><div class="summaryTableTitle">Protected Properties</div><div class="showHideLinks"><div id="hideInheritedProtectedProperty" class="hideInheritedProtectedProperty"><a class="showHideLink" href="#protectedPropertySummary" onclick="javascript:setInheritedVisible(false,'ProtectedProperty');"><img class="showHideLinkImage" src="../../images/expanded.gif"> Hide Inherited Protected Properties</a></div><div id="showInheritedProtectedProperty" class="showInheritedProtectedProperty"><a class="showHideLink" href="#protectedPropertySummary" onclick="javascript:setInheritedVisible(true,'ProtectedProperty');"><img class="showHideLinkImage" src="../../images/collapsed.gif"> Show Inherited Protected Properties</a></div></div><table cellspacing="0" cellpadding="3" class="summaryTable hideInheritedProtectedProperty" id="summaryTableProtectedProperty"><tr><th>&nbsp;</th><th colspan="2">Property</th><th class="summaryTableOwnerCol">Defined By</th></tr><tr class="hideInheritedProtectedProperty"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><a href="../../mx/accessibility/AccImpl.html#eventsToHandle" class="signatureLink">eventsToHandle</a> : Array<div class="summaryTableDescription">[read-only]
All subclasses must override this function by returning an array
of strings of the events to listen for.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr><tr class="hideInheritedProtectedProperty"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><a href="../../mx/accessibility/AccImpl.html#master" class="signatureLink">master</a> : <a href="../../mx/core/UIComponent.html">UIComponent</a><div class="summaryTableDescription">
A reference to the UIComponent instance that this AccImpl instance
is making accessible.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr><tr class="hideInheritedProtectedProperty"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><a href="../../mx/accessibility/AccImpl.html#role" class="signatureLink">role</a> : uint<div class="summaryTableDescription">
Accessibility role of the component being made accessible.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr></table></div><a name="methodSummary"></a><div class="summarySection"><div class="summaryTableTitle">Public Methods </div><div class="showHideLinks"><div id="hideInheritedMethod" class="hideInheritedMethod"><a class="showHideLink" href="#methodSummary" onclick="javascript:setInheritedVisible(false,'Method');"><img class="showHideLinkImage" src="../../images/expanded.gif"> Hide Inherited Public Methods</a></div><div id="showInheritedMethod" class="showInheritedMethod"><a class="showHideLink" href="#methodSummary" onclick="javascript:setInheritedVisible(true,'Method');"><img class="showHideLinkImage" src="../../images/collapsed.gif"> Show Inherited Public Methods</a></div></div><table cellspacing="0" cellpadding="3" class="summaryTable " id="summaryTableMethod"><tr><th>&nbsp;</th><th colspan="2">Method</th><th class="summaryTableOwnerCol">Defined By</th></tr><tr class=""><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="#TextBaseAccImpl()" class="signatureLink">TextBaseAccImpl</a>(master:<a href="../../mx/core/UIComponent.html">UIComponent</a>)</div><div class="summaryTableDescription">
Constructor.</div></td><td class="summaryTableOwnerCol">TextBaseAccImpl</td></tr><tr class=""><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="#enableAccessibility()" class="signatureLink">enableAccessibility</a>():void</div><div class="summaryTableDescription">[static]
Enables accessibility in the TextBase class.</div></td><td class="summaryTableOwnerCol">TextBaseAccImpl</td></tr><tr class="hideInheritedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../mx/accessibility/AccImpl.html#getFormName()" class="signatureLink">getFormName</a>(component:<a href="../../mx/core/UIComponent.html">UIComponent</a>):String</div><div class="summaryTableDescription">[static]
Method for supporting Form Accessibility.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr><tr class="hideInheritedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../mx/accessibility/AccImpl.html#isAncestorDisabled()" class="signatureLink">isAncestorDisabled</a>(component:<a href="../../mx/core/UIComponent.html">UIComponent</a>):Boolean</div><div class="summaryTableDescription">[static]
Returns true if an ancestor of the component has enabled set to false.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr></table></div><a name="protectedMethodSummary"></a><div class="summarySection"><div class="summaryTableTitle">Protected Methods </div><div class="showHideLinks"><div id="hideInheritedProtectedMethod" class="hideInheritedProtectedMethod"><a class="showHideLink" href="#protectedMethodSummary" onclick="javascript:setInheritedVisible(false,'ProtectedMethod');"><img class="showHideLinkImage" src="../../images/expanded.gif"> Show Inherited Protected Methods</a></div><div id="showInheritedProtectedMethod" class="showInheritedProtectedMethod"><a class="showHideLink" href="#protectedMethodSummary" onclick="javascript:setInheritedVisible(true,'ProtectedMethod');"><img class="showHideLinkImage" src="../../images/collapsed.gif"> Show Inherited Protected Methods</a></div></div><table cellspacing="0" cellpadding="3" class="summaryTable hideInheritedProtectedMethod" id="summaryTableProtectedMethod"><tr><th>&nbsp;</th><th colspan="2">Method</th><th class="summaryTableOwnerCol">Defined By</th></tr><tr class="hideInheritedProtectedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../mx/accessibility/AccImpl.html#eventHandler()" class="signatureLink">eventHandler</a>(event:Event):void</div><div class="summaryTableDescription">
Generic event handler.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr><tr class="hideInheritedProtectedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../mx/accessibility/AccImpl.html#getName()" class="signatureLink">getName</a>(childID:uint):String</div><div class="summaryTableDescription">
Returns the name of the accessible component.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr><tr class="hideInheritedProtectedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../mx/accessibility/AccImpl.html#getState()" class="signatureLink">getState</a>(childID:uint):uint</div><div class="summaryTableDescription">
Utility method to determine state of the accessible component.</div></td><td class="summaryTableOwnerCol"><a href="../../mx/accessibility/AccImpl.html">AccImpl</a></td></tr></table></div><script language="javascript" type="text/javascript"><!--
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--></script><div class="MainContent"><a name="constructorDetail"></a><div class="detailSectionHeader">Constructor Detail</div><a name="TextBaseAccImpl()"></a><a name="TextBaseAccImpl(mx.core.UIComponent)"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">TextBaseAccImpl</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">Constructor</td></tr></table><div class="detailBody"><code>public function TextBaseAccImpl(master:<a href="../../mx/core/UIComponent.html">UIComponent</a>)</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version :&nbsp;</b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version :&nbsp;</b></td><td>Flex 4</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions :&nbsp;</b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p>
Constructor.
</p><span class="label"> Parameters </span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20px"></td><td><code><span class="label">master</span>:<a href="../../mx/core/UIComponent.html">UIComponent</a></code> &mdash; The UIComponent instance that this AccImpl instance
is making accessible.
</td></tr></table></div><a name="methodDetail"></a><div class="detailSectionHeader">Method Detail</div><a name="enableAccessibility()"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">enableAccessibility</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td></tr></table><div class="detailBody"><code> public static function enableAccessibility():void</code><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Language Version :&nbsp;</b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Product Version :&nbsp;</b></td><td>Flex 4</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b> Runtime Versions :&nbsp;</b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p>
Enables accessibility in the TextBase class.
<p>This method is called by application startup code
that is autogenerated by the MXML compiler.
Afterwards, when instances of TextBase are initialized,
their <code>accessibilityImplementation</code> property
will be set to an instance of this class.</p>
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