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  • Text-Mode

    While working with a list control's detail view. I have my "Save" button run this on click code (text mode)

    Code:
    1. {dialog.Object}.ajaxCallback('',1,'__A5SystemGeocodeAddress','','__address=Invoicelog_Address&__city=Invoicelog_City&__state=Invoicelog_State&__zip=Invoicelog_Zipcode&__country=&__latitudeField=lat&__longitudeField=lng&__part=O&_rowNumber=1&_geocodeMethod=Google');
    2. {dialog.object}.runAction('setnotdeployed');
    3. var lObj = {dialog.object}.getControl('ANIMALS');
    4. lObj.updateListFromUXControls();

    My question is shouldn't this code run in ORDER by line number? It seems geocoding the address and running the setnotdeployed run action make the list dirty AFTER the save instead of happening before it.
    Thanks for your input!

    Charles
    Last edited by CharlesParker; 07-30-2016, 02:42 PM.
    NWCOPRO: Nuisance Wildlife Control Software My Application: http://www.nwcopro.com "Without forgetting, we would have no memory at all...now what was I saying?"

  • #2
    Re: Text-Mode

    You already know javascript is asynchronous. Chances are that geocode piece is actually returning it's values after other lines have executed.

    A5 to the rescue (and yes, there's more than one way to do this, but this is simple):

    Code:
    function one() {
      {dialog.Object}.ajaxCallback('',1,'__A5SystemGeocodeAddress','','__address=Invoicelog_Address&__city=Invoicelog_City&__state=Invoicelog_State&__zip=Invoicelog_Zipcode&__country=&__latitudeField=lat&__longitudeField=lng&__part=O&_rowNumber=1&_geocodeMethod=Google');
    }
    
    function two() {
    {dialog.object}.runAction('setnotdeployed');
     var lObj = {dialog.object}.getControl('ANIMALS');
    }
    
    function three() {
     lObj.updateListFromUXControls();
    }
    
    A5.executeThisThenThat(one,two,three);
    This may be overkill (or underkill -maybe four is better) - see what happens.
    -Steve
    sigpic

    Comment


    • #3
      Re: Text-Mode

      What does 'setnotdeployed' do?

      Sometimes I'll use executeThisThenThat, and other times I'll return JS code from the AjaxCallback to run the balance of the process. It depends on what needs to run in the process.

      You can return a call to a JS function which handles the balance of code.

      Comment


      • #4
        Re: Text-Mode

        Originally posted by Steve Workings View Post
        You already know javascript is asynchronous. Chances are that geocode piece is actually returning it's values after other lines have executed.

        A5 to the rescue (and yes, there's more than one way to do this, but this is simple):

        Code:
        function one() {
          {dialog.Object}.ajaxCallback('',1,'__A5SystemGeocodeAddress','','__address=Invoicelog_Address&__city=Invoicelog_City&__state=Invoicelog_State&__zip=Invoicelog_Zipcode&__country=&__latitudeField=lat&__longitudeField=lng&__part=O&_rowNumber=1&_geocodeMethod=Google');
        }
        
        function two() {
        {dialog.object}.runAction('setnotdeployed');
         var lObj = {dialog.object}.getControl('ANIMALS');
        }
        
        function three() {
         lObj.updateListFromUXControls();
        }
        
        A5.executeThisThenThat(one,two,three);
        This may be overkill (or underkill -maybe four is better) - see what happens.
        Oh, cool! I'll have to remember this one myself Steve :)
        Alpha Anywhere v12.4.6.3.0 Build 7582-5569 IIS v10.0 on Windows Server 2019 Std in Hyper-V

        Comment


        • #5
          Re: Text-Mode

          What does 'setnotdeployed' do?
          That is an ajax callback to execute an Internal xbasic function that updates another table, and that may take awhile to complete (not much, however - timing is everything).

          Code:
          function setequipment as c (e as p)
          	'Function sets the equipment Is_Deployed to NO 
          	'when someone picks up an animal and pulls the trap.
          
          dim cn as sql::Connection
          dim args as sql::arguments
          cn.open("::Name::Connection1")
          seteq = <<%txt%
          UPDATE alphanwcopro.companyequipment
          	SET 
          		Is_Deployed = "No"
          	
          	WHERE Serial_Number = :theserial2 
          %txt%
          	
          if e._currentRowDataNew.Is_Deployed = "No"
          	args.set("theserial2",e._currentRowDataNew.Equipment_Serial_Number)
          	
          cn.Execute(seteq,args)
          end if
          cn.close()	
          	end function
          Then once the javascript is complete - I now run the list update in the after call back complete and it seems to be working otherwise I was getting an error stating I needed to save the detail view - even though all the code was executing so I figured I would ask.


          Call me DUMB because although I know javascript is synchronous - but for some reason I always assumed that in text mode (maybe the line numbers made me think it) that it would all run in ORDER.

          SO therein is my fault. Although - Steve threw in a pretty cool idea that I will refer to in the future when I have too many things going on and want to execute in a certain order.


          David, if you were going to offer a way to set a delay on that preceding action I would still be open to your thoughts even for the sake of just knowing your thoughts!


          SOMEDAY - I hope to update IsDeployed from a QR code scan!
          NWCOPRO: Nuisance Wildlife Control Software My Application: http://www.nwcopro.com "Without forgetting, we would have no memory at all...now what was I saying?"

          Comment


          • #6
            Re: Text-Mode

            Don't ignore what David's suggesting - it's often a better alternative. What he's saying is that when you have a callback, it's often a good idea to let the callback fire the next javascript you need. This is another way to insure that the callback is complete before the next javascript function is executed. Example:

            Code:
            function setequipment as c (e as p)
            ' . . . . do all your stuff here as you are
            
              js = "{dialog.object}.runAction('setnotdeployed');"
              setequipment = js
            
            end function
            In fact, I often prefer this method over the A5.executeThisThenThat() .
            -Steve
            sigpic

            Comment


            • #7
              Re: Text-Mode

              It really depends on what you want to do and how you have functions set up. If your xbasic functions are independent, then you'd need to set up a flag system to tell when you want to execute stuff.

              You can also use the client-side event afterAjaxCallbackComplete... very handy. This gives you e.xbasicFunctionName and e.ajaxEvent

              You could put a switch statement in there to test what's just completed and to run what's next.

              I wouldn't use a setTimeout() delay in this case... server callbacks are too unpredictable for timing. And I wouldn't use a runAction either... just use the .ajaxCallback method.

              Comment


              • #8
                Re: Text-Mode

                Yes, so at thsi point as I said I am using the after Ajax complete to run the code to update the list control at that time and that's really all I needed to do - and there is nothing else to run after that, although I have had other UX's where there was a lot going on and it took me a while to figure out the order of how I wanted it all to fire.
                Thanks guys for your input on this!
                NWCOPRO: Nuisance Wildlife Control Software My Application: http://www.nwcopro.com "Without forgetting, we would have no memory at all...now what was I saying?"

                Comment

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