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Using Group Breaks in a List Control Populated with Static Data

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  • Using Group Breaks in a List Control Populated with Static Data

    I have a list control populated with static data. It seems to ignore settings to use group breaks.

    Am I missing something, or should the group breaks work?

    Build 5028-5088
    Last edited by Pizzadude; 05-10-2018, 04:25 AM.

  • #2
    Re: Using Group Breaks in a List Control Populated with Static Data

    Ok, the simple answer is yes. Here are some details...

    I have a UX with a list control. The data source for the list is set to static data.

    The list is populated with an xbasic function that returns data in a JSON format.

    I made a test UX (attached) with a simple function.

    Code:
    function matchLane as c (e as p)
    	
    dim json as c
    
    json = <<%a%
    [
    {
     "Lane": "Mount Sterling, OH Virginia Beach, VA Flatbed or Step Deck",
     "Carrier": "A & W Trux Inc",
     "Equipment": "Flatbeds"
    },
    {
     "Lane": "Mount Sterling, OH Virginia Beach, VA Flatbed or Step Deck",
     "Carrier": "ILSA Incorporated",
     "Equipment": "Vans"
    },
    {
     "Lane": "Mount Sterling, OH Virginia Beach, VA Flatbed or Step Deck",
     "Carrier": "LST Services, Inc",
     "Equipment": "Vans"
    },
    {
     "Lane": "Lewisville, AR Sherman, TX Flatbed or Step Deck",
     "Carrier": "Great Service, Inc",
     "Equipment": "Reefers"
    }]
    %a%
    
    js = "var lobj = {dialog.object}.getControl('StaticList');"
    js = js + "var _data = " + json + crlf()
    js = js + "lobj.populate(_data);"
    	
    matchLane = js
    	
    end function
    There are three columns in the list. The first column "Lane" is duplicated in three rows. When I set the Group Breaks to use the Lane column, it does not display any Group Breaks.

    I want the list to display one row/title that contains the Lane, and then the rows directly beneath contain the Carrier and Equipment.

    In this example it would be:

    Mount Sterling, OH Virginia Beach, VA Flatbed or Step Deck
    A & W Trux Inc Flatbeds
    ILSA Incorporated Vans
    LST Services, Inc Reefers
    Lewisville, AR Sherman, TX Flatbed or Step Deck
    Great Service, Inc Reefers
    Attached Files

    Comment


    • #3
      Re: Using Group Breaks in a List Control Populated with Static Data

      In the List Builder on the Data Source tab, put the special {<BreakValue>} placeholder in the Group header template property. In the List Layout tab, remove the Lane field from Columns in List.
      And, if you want the Equipment to show up right after Carrier without Equipment being in a separate column, remove the Equipment field also and change the Template property for the Carrier field to:
      {Carrier}{Equipment}

      Comment


      • #4
        Re: Using Group Breaks in a List Control Populated with Static Data

        In the List Builder on the Data Source tab, put the special {<BreakValue>} placeholder in the Group header template property. In the List Layout tab, remove the Lane field from Columns in List.
        Here is the same component with the changes you suggest. Still no Group Break. If you are seeing it display the Group Breaks, please post a screen shot.

        TestStaticList.a5wcmp

        Comment


        • #5
          Re: Using Group Breaks in a List Control Populated with Static Data

          Ah ok, I thought I read that you got it working and you were just working on the format part.
          Group breaks work with static data but now I see that group breaks don't seem to work well with an already rendered list repopulated with static data.

          Comment


          • #6
            Re: Using Group Breaks in a List Control Populated with Static Data

            I believe that since you are building the data yourself, you also have to add the necessary data into the JSON structure so that the template can use it.

            So, you need to add something like this in your json:
            {"*title":"Mount Sterling,OH Virginia Beach, VA Flatbed or Step Deck"}

            Example,
            Code:
            json = <<%a%
            [
            {"*title":"Mount Sterling,OH Virginia Beach, VA Flatbed or Step Deck"},
            {
             "Carrier": "A & W Trux Inc",
             "Equipment": "Flatbeds"
            },
            {
             "Carrier": "ILSA Incorporated",
             "Equipment": "Vans"
            },
            {
             "Carrier": "LST Services, Inc",
             "Equipment": "Vans"
            },
            {"*title":"Lewisville, AR Sherman, TX Flatbed or Step Deck"},
            {
             "Carrier": "Great Service, Inc",
             "Equipment": "Reefers"
            }]
            %a%
            2018-05-10 11_52_50-Window.png

            Comment


            • #7
              Re: Using Group Breaks in a List Control Populated with Static Data

              So, you need to add something like this in your json:
              {"*title":"Mount Sterling,OH Virginia Beach, VA Flatbed or Step Deck"}
              That looks like it will work. I'll just have to re-work my code to produce that result.

              Thanks!

              Comment


              • #8
                Re: Using Group Breaks in a List Control Populated with Static Data

                And since you are building the json yourself, you don't even need to configure the "Has group breaks" server-side stuff in the Data Source tab.

                Comment


                • #9
                  Re: Using Group Breaks in a List Control Populated with Static Data

                  I think I led you in the bad direction (or at least not the easiest direction).
                  You can keep your original json format.
                  I hadn't realized that in the List Builder's List Properties tab that there is a "Has client-side group breaks".

                  Comment


                  • #10
                    Re: Using Group Breaks in a List Control Populated with Static Data

                    Me neither! That's a revelation! That should make this a whole lot easier!

                    Comment

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