Hi all,

The following is an unofficial workaround to the issue of a signature field requiring a click on the canvas to not throw the "Please provide your signature" error message on submission even when one has been drawn with a Topaz signature pad.

There are two parts to the workaround.

1. Updated JavaScript code that wraps the initSigWeb function as a JQuery object so it can be easily detected by Forms. The code is below.

var baseUri = "http://localhost:47289/SigWeb/";

$.initSigWeb = function(){
  var ctx = $("#sigTabContent .signatureSettings").getContext('2d');
  ResetParameters();
  SigWebSetDisplayTarget(ctx);
  tmr = setInterval(SigWebRefresh, 50);
  SetDisplayXSize(438);
  SetDisplayYSize(150);
  SetJustifyMode(0);
  SetTabletState(1);
  
  $("#form-signature-dlg").on("shown.bs.modal", function(){
    $("#sigNav a:eq(1)").click();
    KeyPadClearHotSpotList();
    ClearSigWindow(1);
    ClearTablet();
    SetLCDCaptureMode(2);
    $("button.signSignatureBtn").removeAttr("disabled");
  });
  				
  $("span.clearSignature").on("click", function(){
    SetLCDCaptureMode(1);
    KeyPadClearHotSpotList();
    ClearSigWindow(1);
    ClearTablet();
    $("button.signSignatureBtn").removeAttr("disabled");
    setTimeout(function(){SetLCDCaptureMode(2);}, 2000);
  });
  
  $("#form-signature-dlg").on("hidden.bs.modal", function(){
    SetLCDCaptureMode(1);
    KeyPadClearHotSpotList();
    ClearSigWindow(1);
    ClearTablet();
  });
}

$(document).ready(function(){
  if (!window.isPrintMode){
    $.getScript("http://localhost:47289/SigWeb/SigGetScript/SigWeb.js", $.initSigWeb);
  }
});

2. Adding an additional condition to the check that produces the error message so it won't trigger if initSigWeb is detected. The check is in the forms.js file which has the default path "C:\Program Files\Laserfiche\Laserfiche Forms\Forms\js\form\forms.js".
I have attached a forms.js file with the modification for Forms Version 10.1.0.559 (Forms 10.1 release build) that is almost a drop-in replacement. Simply rename the file to "forms" with a .js extension. Make a backup copy of the existing one first!

If you're using a different version or wish to make the change yourself, do the following:

1. Create a backup copy of forms.js and save it as forms - original/unaltered/etc.js
2. Open forms.js in your favorite text editor (Notepad++ and Atom are great)
3. Find the following function: 

   $('.signSignatureBtn').on('click',function(){if($('#sigNav li.active').index()==1&&Signature.sigPad.isEmpty()&&$.initSigWeb==undefined){alert(localize('WRN_NO_SIG'));return false;}else{Signature.acceptsignature();if(Signature.cacheEnabled){Signature.Cache.Add(Signature.curSignatureFieldId,Signature.currentSig);}}});
   

   Shown here with formatting for readability:

   $('.signSignatureBtn').on('click',function(){
   	if($('#sigNav li.active').index()==1&&Signature.sigPad.isEmpty()&&$.initSigWeb==undefined){
   		alert(localize('WRN_NO_SIG'));
   		return false;
   	}else{
   		Signature.acceptsignature();
   		if(Signature.cacheEnabled){
   			Signature.Cache.Add(Signature.curSignatureFieldId,Signature.currentSig);
   		}
   	}
   });

   Then, add &&$.initSigWeb==undefined to the end of the first if statement so it reads:

   if($('#sigNav li.active').index()==1&&Signature.sigPad.isEmpty()&&$.initSigWeb==undefined)

   And save the file. This addition changes the condition for the error message displaying so that it can only be met when a form isn't utilizing the SigWeb SDK (as it is implemented in the first code block). 

Then fire up Forms and test it out. Let me know if this works for you, if there are any questions, or if you encounter any issues along the way!

**Important Notes**

• This workaround involves modifying Laserfiche Forms' source code (however slightly) and you do so at your own risk
• Upgrading Forms versions will overwrite the change to forms.js, requiring it to be re-implemented after an upgrade