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Watermark in DropDownBox Control

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  • Watermark in DropDownBox Control

    I don't see a way to add a watermark to a drop down box control. I dont have labels on my ux to save space and all other fields have a watermark property option. Does anyone know a work-around? Or maybe im just not looking in the right place...

    -Joe G.
    Alpha Anywhere V12.4.1 Build 3594-4665
    Application Server V12.4.1 Build 3594-4665 Running on Windows Server 2008 R2 Standard 4GB Ram X3430 @ 2.40GHz
    MySQL 5.5.38

  • #2
    Re: Watermark in DropDownBox Control

    I recall a forum post here regarding that very subject was a while ago though and sadly I don't recall what the work around was.
    Mike Brown - Contact Me
    Programmatic Technologies, LLC
    Independent Developer & Consultant


    • #3
      Re: Watermark in DropDownBox Control

      The dropdown control spec doesn't include a watermark. However, you can kinda get there. You'll need to tweak this a bit to get what you want. This is for a UX. The dropdown control must be set as Not in list rule : Do Nothing.

      This works for Static and Dynamic data. For Static data ensure your first item is your watermark text. For Dynamic data, use the Additional Choices (Pre) in the builder.

      In onRenderComplete (or wherever is appropriate for you)...

      var ddEle = {dialog.Object}.getPointer('dropdown1');
      ddEle.options[0].selected = true;
      ddEle.options[0].disabled = true; = "gray";
      In the dropdown onChange event...

      var ddEle = {dialog.Object}.getPointer('dropdown1'); = "black";


      • #4
        Re: Watermark in DropDownBox Control

        Thanks David, I'll give it a shot shortly. I wonder what the reason for having no watermark option on this control is...
        One more question... What is the "Display value for no selection"s purpose? Its on the dropdown choices property window above the "Additional choices (Pre)" option.
        Alpha Anywhere V12.4.1 Build 3594-4665
        Application Server V12.4.1 Build 3594-4665 Running on Windows Server 2008 R2 Standard 4GB Ram X3430 @ 2.40GHz
        MySQL 5.5.38


        • #5
          Re: Watermark in DropDownBox Control

          Also, wouldn't your suggested method allow them to submit the new record with the pre-choice "watermark" as the value sent to the mysql database if they didnt change the value? (I have to make everything dummy proof!)
          Alpha Anywhere V12.4.1 Build 3594-4665
          Application Server V12.4.1 Build 3594-4665 Running on Windows Server 2008 R2 Standard 4GB Ram X3430 @ 2.40GHz
          MySQL 5.5.38


          • #6
            Re: Watermark in DropDownBox Control

            It looks like the Dynamic property "Display value for no selection" is a nice option for providing a watermark. If selected, the value returned is empty. This is a nicer option as well in the fact that you can deselect a dropdown, which is a common practice.