OpenEuphoria

Re: DropDownList

• Posted by Derek Parnell <ddparnell at bigpond.com> Aug 16, 2001
• 400 views

Hi George,
> Your program snipit looks like it would work fine if the dropdownlist
field
> width could be larger than the coded field width. Can't see how to do
this..
> The code in the field would be like 'n30' or 'n60' , so the editText field
> only should be 3-6 chars but the descriptive text for this could be much
> larger (usually about 15). The short code would be used in the DB and on
> internal reports, the long on invoices, statements, etc.

Maybe I'm missing something, but are you trying to display the short field
on the screen too? If so, why as it is only used in the DB and not on any
user interface (screen or paper). I can't see why you can't display the long
dropdown field and not botther showing the short data. If there is only a
fixed number of possible valid entries for this field, there is no need for
an edittext field, just a single dropdown will do.

Is there a good reason to display the short field to the user? If there is,
why can't you have both fields being displayed - the edittext being
read-only of course.

Here is an example of what I am saying...

---------------
include win32lib.ew

constant win = create(Window, "test", 0, 0, 0, 400, 300 ,0),
         MsgArea = create(StatusBar, "", win, 0, 0, 0, 0, 0),
         ef  = create(EditText, "" , win, 5, 5, 48, 20, ES_READONLY),
         dd  = create(Combo, "", win, 5, 28, 150, 140, 0)

--------------
sequence ddKeys, ddCodes
ddKeys = {"2% 10 Net 30", "3% 10 Net 60", "5% 15 Net 90" }
ddCodes= { "N3"         , "N6"          , "N9"           }

procedure Init_myDropDown()
    eraseItems(dd)
    addItem(dd, ddKeys)
end procedure

procedure myDropDown_Click()
    sequence pick
    integer what

    pick = getItem(dd, 0)
    if length(pick) != 0 then
        what = find(pick, ddKeys)
        if what != 0 then
            setText(ef, ddCodes[what])
        else
            setText(MsgArea, "Unknown discount selected")
        end if
    else
        setText(MsgArea, "No discount selected")
    end if
end procedure

onChange[dd] = routine_id("myDropDown_Click")
setWindowBackColor(ef, rgb(192,192,192))

Init_myDropDown()
WinMain(win, 0)

--------------
Derek