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Trap event when PDF report finishes downloading

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    #1

    Trap event when PDF report finishes downloading

    I want to trap the event (that I may wrongly assume occurs) after a PDF report finishes downloading. I run the report via ActionJavascript (or from AJS converted to inline code) from a button on a row in a LIST on a UX.
    I turn on a animated gif in that row when the user clicks the “Create PDF” button that I have placed in the row. When the download completes, I need to change the gif to something else. Problem is, I cannot figure out how to find or trap the event of the download completing.
    Tags: None
    #2
    Just in case someone runs across this in the future, I did solve this problem (see demo video link below) by dynamically redefining the A5.component._handleReportResponse() function in Alpha's JavaScript library. I did this in Alpha ver4.5.4.8 build 5581. I would hope there is an easier way to do this in future versions of Alpha, or that I simply overlooked some property in ActionJavaScript to do this. Here is a what this looks like using some "fake" data in my app:

    https://drive.google.com/open?id=14u...tpnHq27tBgHlwO


    When the Alpha server / reporting engine takes longer than IIS allows, the browser receives error # 500. I have not looked into trapping this error, yet. So, it goes unnoticed by the user, unless they have the Developer Tools "Network" window open. You can increase the amount of time IIS allows for the report to run by adding following to web.config file (where ??? is in seconds or hh:mm:ss format):


    Code:
    <system.web>
  <httpRuntime executionTimeout="???" />
</system.web>
    You might be able to add the above timeout limit to each report individually instead of making it system-wide, by duplicating that outer tag and putting it within the <location> tag for every report. There might be a way to put these tags into the alpha publishing properties; there is a place for such things, but I have not tried it.

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