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How to correct use - ddsFileBrowseCB & Delete Field when has hiCreateTabField

Charley Chen
 Dear All , 
 
In this code , if no  hiCreateTabField , it's correct , but when i use , it has 2 warning message.
 
;*WARNING* ddsFileBrowseCB: Invalid target string field: Field2; not found on the form
;*WARNING* hiDeleteFields: Can't find field Field4 in form Form. NO fields deleted.
 
How to fix the code ?
 
 
procedure( QQ()
       Field2 = hiCreateComboField(
       ?name 'Field2
       ?prompt "File Path"
       ?items list("This is a book.")
       ?value "This is a book."
       );

       Field3 = hiCreateButton(
       ?name 'Field3
       ?buttonText "Browse"
       ?enabled t
       ?callback "ddsFileBrowseCB(hiGetCurrentForm() 'Field2)"
      ;*WARNING* ddsFileBrowseCB: Invalid target string field: Field2; not found on the form 
       )

       Field4 = hiCreateButton(
       ?name 'Field4
       ?buttonText "Delete"
       ?enabled t
       ?callback "MyCB()"
       ;*WARNING* hiDeleteFields: Can't find field Field4 in form Form. NO fields deleted.
       )

       TabField1 = list(
list(Field2 5:00 200:30 70)
list(Field3 5:50 130:30 80) list(Field4 150:50 130:30 80)
      );

       TabField = hiCreateTabField(
       ?name 'TabField
       ?notebookStyle nil
       ?pageScroller nil
       ?tabPlacement 'top
       ?tabs list("Hello")
       ?fields list(TabField1)
       ?value   1
       )

       Form = hiCreateAppForm(
       ?name 'Form
       ?formTitle "Hello"
       ?fields list(list(TabField 0:0 640:150 110))
       ;?fields TabField1
       );hiCreateAppForm
       hiDisplayForm(Form 40:54)
);pro

procedure( MyCB()
    hiDeleteFields(Form
 list(
      'Field4
     );;list
    );hiDeleteFields
); 
 
 
Thank you,
Charley 
Parents
  • Andrew Beckett

    Hi Charley,

    When you have a tab field (or a scroll region for that matter), most functions that you call which reference a field within a page of the tab field (or within a scroll region) need to be passed the page instead of the top level form - effectively the page is like a sub-form.

    So the callback for Field3 should be:

            ?callback "ddsFileBrowseCB(hiGetCurrentForm()->TabField->page1 'Field2)"

    and your MyCB() function should be:

    procedure( MyCB()
        hiDeleteFields(Form->TabField->page1
     list(
          'Field4
         );;list
        );hiDeleteFields
    );

    Regards,

    Andrew.

Reply
  • Andrew Beckett

    Hi Charley,

    When you have a tab field (or a scroll region for that matter), most functions that you call which reference a field within a page of the tab field (or within a scroll region) need to be passed the page instead of the top level form - effectively the page is like a sub-form.

    So the callback for Field3 should be:

            ?callback "ddsFileBrowseCB(hiGetCurrentForm()->TabField->page1 'Field2)"

    and your MyCB() function should be:

    procedure( MyCB()
        hiDeleteFields(Form->TabField->page1
     list(
          'Field4
         );;list
        );hiDeleteFields
    );

    Regards,

    Andrew.

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