[FLEX-23079] ButtonbarButton should implement IButtonBarButton for allowDeselection

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: Adobe Flex SDK Previous
• Component/s: Spark: TabBar
• Environment: Affected OS(s): Windows; Affected OS(s): Windows XP; Language Found: English
• Assignee: Unassigned
• Reporter: Adobe JIRA
• Created: 11/Feb/10 06:41
• Updated: 15/Apr/11 14:56

Description

Steps to reproduce:
1. Extend Toggle button to create your own button implementation
2. use your button implementation in a custom TabBar skin
3. set selectionRequired=true on your tab bar

Actual Results:
You are able to deselect all tabs

Expected Results:
You are not able to deselect all tabs

Workaround (if any):
add this code to your button:

override protected function buttonReleased() : void
{
if ( selected )return;

super.buttonReleased();
}

This does not mean that selectionRequired works - it means you can never deselect your button just by clicking on it. It there was a IButtonBarButton then tabbar could set allowDeselection on your button to toggle this behaviour - just like ButtonBarButton does but you would no longer have to extend that class to get this functionality.