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FrontMostNamedObjects

FrontMostNamedObjects returns the visible named frontmost objects that are most deeply nested

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malcolm - Show more from this author Business Data Systems https://businessdatasystems.co.nz

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

/* * MF: 2025-12-01 * FrontMostNamedObjects returns the visible named frontmost objects that are most deeply nested. * Purpose: For recreating the view of a layout that was present before moving away. * Rationale: When you switch layouts, and switch back, panels will display the default panel. * If the user was on a different panel then the screen switch has forced different panels to be visible and they probably did not want that. * Action: This function returns the names of the panels that you need to display when you return. * It filters the panels based on them being at the front. * Additionally it filters for objects that are nested within other objects. * For example, if an object is on a slide panel that is on a tab panel then each of the panels is at the front. * Going directly to the most deeply nested object will ensure that all three objects are visible. * There is no need to go to the other two. * DEPENDENCY: layout objects must be named, if you want them to be controlled in this way. */ While ( [ NamedObjects = "" ; LytObjects = LayoutObjectNames ( "" ; Get ( LayoutName ) ) & ¶ ; x = ValueCount ( LytObjects ) ; OpenTag = 0 ; Visible = 0 ; ParentVisible = 1 ; i = 0 ] ; i < x ; [ i = i + 1 ; CurrObject = GetValue ( LytObjects ; i ) ; OpenTag = OpenTag + ( GetAsBoolean ( CurrObject = "<" ) ) ; OpenTag = OpenTag - ( GetAsBoolean ( CurrObject = ">" ) ) ; Visible = Case ( GetAsBoolean ( CurrObject = "<" ) ; 0 ; GetAsBoolean ( CurrObject = ">" ) ; 0 ; GetLayoutObjectAttribute ( CurrObject ; "isFrontPanel" ) ; not OpenTag or ( OpenTag and ParentVisible ) ) ; ParentVisible = If( OpenTag ; Parentvisible ; Visible ) ; NamedObjects = NamedObjects & If ( visible ; CurrObject & ¶ ) ] ; /* NamedObjects will contain false positives */ While ( [ x = ValueCount ( NamedObjects ) ; i = 0 ; CleanSet = "" ; CurrObj = "" ] ; i < x ; [ i = i + 1 ; CurrObj = GetValue ( NamedObjects ; i ) ; CurrContainsObjects = Substitute ( GetLayoutObjectAttribute ( CurrObj ; "containedObjects" ) ; ["<";""] ; [">";""] ) ; CleanSet = Case ( i = x and IsEmpty ( GetLayoutObjectAttribute ( CurrObj ; "enclosingObject" ) ) ; List ( CleanSet ; CurrObj ) ; i = x and GetLayoutObjectAttribute ( GetLayoutObjectAttribute ( CurrObj ; "enclosingObject" ) ; "isFrontPanel" ) ; List ( CleanSet ; CurrObj ) ; i = x ; CleanSet ; IsEmpty ( FilterValues ( NamedObjects ; CurrContainsObjects ) ) ; List ( CleanSet ; CurrObj ) ; Cleanset ) ] ; CleanSet ) ) Click to copy

When you switch layouts, and switch back, panels will display the default panel state. If the user was on a different panel the screen switch has forced the default panels to be visible and they probably did not want that. This function returns the names of the panels that you need to display when you return. It filters the panels based on them being at the front. Additionally it filters for objects that are nested within other objects. For example, if an object is on a slide panel that is on a tab panel then each of these three panels is at the front. But we don't want to have to go to every front panel, and there is no need to go to two of them. Going directly to the most deeply nested object will ensure that all three objects are visible.

 

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