Brian Dunning's FileMaker Custom Functions

isFrontMostTabPanel ( _objectName )

Returns 1 if _objectName is or contains the frontmost tab panel, else 0

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Fabrice Nordmann   Fabrice Nordmann
1-more-thing
https://www.1-more-thing.com

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  Sample input:
isFrontMostTabPanel ( "myTab" )
  Sample output:
1

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

Thanks to Agnès Barouh's CustomList, it is now possible to know if a tab is at frontmost without a recursive funciton.
The above code is long because it integrates CustomList in order to make this function available to FM Pro.
With Custom List installed as a custom function, this code would suffice :
----------------------
Let ([ $x = _objectName

// ENCLOSING OBJECTS
; $EON = $x & ¶ &
CustomList ( 1 ; ValueCount ( LayoutObjectNames ( Get ( FileName ) ; Get ( LayoutName ))) ; "case ( not isempty ( $x ) ; getlayoutobjectattribute ( $x ; \"enclosingobject\" ) & let([ $x = getlayoutobjectattribute ( $x ; \"enclosingobject\" )];\"\"))" )


//FRONT TAB PANELS
; $IFTP =
CustomList ( 1 ; ValueCount ( $EON ) ; "let([ $o = getvalue ( $EON ; [n] )]; getlayoutobjectattribute ( $o ; \"isFrontTabPanel\" ))")

];
PatternCount ( $IFTP ; 1 ) = ValueCount ( $IFTP )
)
---------------------

 

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