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Sorting columns on forms with base filter

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    #1

    Sorting columns on forms with base filter

    In this thread,http://msgboard.alphasoftware.com/al...ad.php?t=72708, Selwyn confirms this is a bug. However, this was back in April and it still seems to be a problem.

    Maybe, I'm approaching this the wrong way, who knows....


    1. I have a table of customers.
    2. If a user logs in and he doesn't have a specific group access then he can only see the customers that are assigned to him.
    3. The form (with an embedded browse) displayed has a filter applied with the expression: user=user_name(). This would be most users except for the Administrator who sees a different form named Customers-Admin that has no filter set on the form.
    4. I have buttons on the form that allow a user to see Customers designated as "Hot", "Overdue for a Call", etc. which basically run simple querys on the form.

    So far everything is great, EXCEPT...

    5. When the user tries to sort the column it removes the sort applied by the button. So let's say I have 20 customers in the embedded browse. The "Show only 'Hot'" button is pressed and only 10 show. When the customer clicks on the column to sort (which is the behavior I want) the embedded browse shows all 20 customers again.
    6. I tried applying the workaround Selwyn suggested which is to call an Xbasic event when the column is clicked- namely Quicksortexplicit() - but this doesn't work either.

    So my question is, knowing what I'm trying to accomplish (i.e. only showing distinct records based upon user group) am I approaching this the right way? I'd be surprised if I'm the only one who is trying to use Alpha in this way.

    This only happens with an embedded browse. It does not occur with a named Browse - unless I embed it!?!?!

    This is critical to my app. Unfortunately, using a named Browse won't work because I want specific buttons on the screen that I do not want to place on the toolbar.
    Tags: None
    #2
    Re: Sorting columns on forms with base filter

    I did the following as a work around. It is working in my situation which is basically the same as yours. A base filter on the child table at the form properties level. Since it has been working I have not tested if the bug has been fixed.


    Create a user defined function called Sort_EmbBrws in the code tab
    Code:
    FUNCTION Sort_EmbBrws AS V (clm as C  )
    dim shared sort_dir as c
    colm = this.active(.t.)
    brwsname = word(colm,3,":")
    IF sort_dir <> clm+"a" THEN
        evaluate_template("topparent:"+brwsname+".QuickSortExplicit(\""+clm+"\",\"A\")")
        sort_dir = clm+"a"
    ELSE
        evaluate_template("topparent:"+brwsname+".QuickSortExplicit(\""+clm+"\",\"D\")")
        sort_dir = clm+"d"
    END IF

END FUNCTION
    Set the title behaviour in the embedded browse properties to 'click fires user defined event'. This should create in the events event a function block for each column called ColumnObjectName_TitleClick. Then in each of those functions place one line that calls the UDF with the column object name as the argument
    Code:
    Sort_EmbBrws("[I]ColumnObjectName[/I]")
    Remember to use the column object name and not the column title.
    Tim Kiebert
    Eagle Creek Citrus
    A complex system that does not work is invariably found to have evolved from a simpler system that worked just fine.

    Comment

      #3
      Re: Sorting columns on forms with base filter

      It works!!!!! :D

      Thanks so much for your kind reply. I'm surprised that it was acknowledged by Alpha as a bug but it still hasn't been fixed.

      Regardless, I'm sure you've just helped out a lot of people until the problem gets fixed.

      Comment

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