Javascript and XBasic Help Please

[Anita Headley]

Re: Javascript and XBasic Help Please

Changed "v" to "c" - made no difference. Still not getting to javascript function. Does rest of code in xbasic just fine (which it did before), but no popup message.

[Anita Headley]

Re: Javascript and XBasic Help Please

P.S. I put in a debug to make sure it was getting to the function return --- xb_save_file_to_ticket_upload_table = "js_load_tickets();" --- and it is. But no alert popup.

[mvaughn]

Re: Javascript and XBasic Help Please

Is your javascript located in Javascript Functions?

[Anita Headley]

Re: Javascript and XBasic Help Please

Yes. it it the first function. I have several others.

[mvaughn]

Re: Javascript and XBasic Help Please

If all else fails, lol, try this:

function xb_save_file_to_ticket_upload_table as c (e as p)

	' code
	'more code

	dim jtext as c =<<%txt%
	alert('hello');
	%txt%

	xb_save_file_to_ticket_upload_table = jtext
end function

After you get your hello, just put your javascript there as in:

dim jtext as c =<<%txt%
var x = {dialog.Object}.getvalue('MYFIELD1');
{dialog.Object}.setvalue(''MYFIELD2',x);
line 3;
line 4;
etc...;
%txt%

=<<%txt% is a wrapper for your javascript.
end with %txt% on its own line

[Anita Headley]

Re: Javascript and XBasic Help Please

These are now the very last lines in the xbasic function:
debug(1)
dim ls_js as c = <<%txt%
alert('trying javascript');
%txt%


xb_save_file_to_ticket_upload_table = ls_js
end function

I am still getting no alert popup. I am beggining to hate this program (Alpha 5)!

[mvaughn]

Re: Javascript and XBasic Help Please

the = and the << must touch as in my example above.

You're almost there!

[Anita Headley]

Re: Javascript and XBasic Help Please

code now reads:
dim ls_js as c =<<%txt%
alert('trying javascript');
%txt%


xb_save_file_to_ticket_upload_table = ls_js

end function

STILL no alert popup. the debug shows that ls_js is getting the javascript text, but then nothing happens.

[TheSmitchell]

Re: Javascript and XBasic Help Please

I have a button that lets the user upload a file. In the Server-side Events: After Upload, I have it call an xbasic function (xb_save_file_to_ticket_upload_table) to put the data from the uploaded file into the appropriate table. At the end of the xbasic function, I am trying to call a javascript function to do some screen stuff.

I don't think you can return js from the AfterUpload event. There's nothing in the "help" comments for that event. Usually when there's no mention of how to send javascript back, you can't do it. I tried all the methods I know of in Alpha and couldn't make any of them work (e.javascript, functioname =, and e.rtc.A_AjaxResponses.) Maybe try specifying your function in the Client-side after upload event instead. If you have data that needs calculating/etc server side in order for your function to work, you can do an ajaxCallback and get the data - which you can store in session or e.rtc variables server-side in your existing xbasic function.

[Anita Headley]

Re: Javascript and XBasic Help Please

This is what I mean about Alpha5. This is the function prototype for the Server-side Event:

function xb_save_file_to_ticket_upload_table as v (e as p)
'This function is called after the file(s) selected in the Upload Files dialog have been uploaded to the server.
'The function is responsible for processing each uploaded file.

'Request - The Request object. Includes Request.Variables, which should be used instead of the older e.rv construct
'Session - The Session object. Should be used instead of the older e.session construct

'The passed in 'e' object contains these properties

'e.fileCount - the number of files that were uploaded
'e.fileArray - a property array with one entry for each uploaded file
'e.uploadProperties - Contains multiple sub-properties for all of the properties set in the Action builder.
'e.tmpl - pointer to the UX Component definition
'e.rtc - a pointer variable that contains run-time calculations
'e.__si - state information

'Each entry in the e.fileArray array has these propeties (where 'i' is between 1 and e.fileCount):
'e.fileArray[i].file.characterSet - character set of the uploaded file
'e.fileArray[i].file.contentType - MIME type (e.g. 'application/octet-stream')
'e.fileArray[i].data - data that was uploaded. This will either be binary data or text data. Check the .file.dataType property
'e.fileArray[i].fileName - filename of the file on the client machine
'e.fileArray[i].encoding - For text files, specifies the encoding type
'e.fileArray[i].file.dataType = Either 'text' or 'binary'

'If you want to send any Javascript back to the browser to execute after this event has completed, you can set this property:
'e.javascript 'EXTREMELY IMPORTANT - The Javascript that is sent back to the browser is executed in the context of the IFrame that contains the File Select window.
'Therefore, in order for the Javascript you send back to invoke methods of the Dialog object, you must prefix all methods with 'window.parent'.
'For example: window.parent.{dialog.object}.setValue('CONTROL1','VALUE1');

'You can set e.abort = .t. to abort the operation. If you set e.abort to .t. then you can set e.errorText to the text you want to display to the user.

end function


I even tried

dim ls_js as c =<<%txt%
window.parent.alert('trying javascript');
%txt%

xb_save_file_to_ticket_upload_table = ls_js

end function

still with no results.

I would gladly call it from a client-side AfterUpload event if there was one. I don't find it in the Client-Side Events at all.

[TheSmitchell]

Re: Javascript and XBasic Help Please

This is what I mean about Alpha5. This is the function prototype for the Server-side Event:

function xb_save_file_to_ticket_upload_table as v (e as p)
'This function is called after the file(s) selected in the Upload Files dialog have been uploaded to the server.
'The function is responsible for processing each uploaded file.

'Request - The Request object. Includes Request.Variables, which should be used instead of the older e.rv construct
'Session - The Session object. Should be used instead of the older e.session construct

'The passed in 'e' object contains these properties

'e.fileCount - the number of files that were uploaded
'e.fileArray - a property array with one entry for each uploaded file
'e.uploadProperties - Contains multiple sub-properties for all of the properties set in the Action builder.
'e.tmpl - pointer to the UX Component definition
'e.rtc - a pointer variable that contains run-time calculations
'e.__si - state information

'Each entry in the e.fileArray array has these propeties (where 'i' is between 1 and e.fileCount):
'e.fileArray[i].file.characterSet - character set of the uploaded file
'e.fileArray[i].file.contentType - MIME type (e.g. 'application/octet-stream')
'e.fileArray[i].data - data that was uploaded. This will either be binary data or text data. Check the .file.dataType property
'e.fileArray[i].fileName - filename of the file on the client machine
'e.fileArray[i].encoding - For text files, specifies the encoding type
'e.fileArray[i].file.dataType = Either 'text' or 'binary'

'If you want to send any Javascript back to the browser to execute after this event has completed, you can set this property:
'e.javascript 'EXTREMELY IMPORTANT - The Javascript that is sent back to the browser is executed in the context of the IFrame that contains the File Select window.
'Therefore, in order for the Javascript you send back to invoke methods of the Dialog object, you must prefix all methods with 'window.parent'.
'For example: window.parent.{dialog.object}.setValue('CONTROL1','VALUE1');

'You can set e.abort = .t. to abort the operation. If you set e.abort to .t. then you can set e.errorText to the text you want to display to the user.

end function


I even tried

dim ls_js as c =<<%txt%
window.parent.alert('trying javascript');
%txt%

xb_save_file_to_ticket_upload_table = ls_js

end function

still with no results.

I would gladly call it from a client-side AfterUpload event if there was one. I don't find it in the Client-Side Events at all.

The comments for yours are way different from mine. I can't return js. But I have a client side event. Your comments say to use e.javascript. So set e.javascript = ls_js. If setting e.javascript in xb_save_file_to_ticket_upload_table doesn't work, then that comment is bunk and I would email a bug report to Alpha since the claim right there is that you should be using e.javascript. However, in your earlier post, you saw an error message that {dialog.object} was not defined (because it needed to be prefixed with window.parent, probably.) So I am apt to believe that this will work.

You don't need to prefix the alert function with window.parent. Just any references to {dialog.object}. In fact, prefixing alert might cause an error...

[Anita Headley]

Re: Javascript and XBasic Help Please

I have tried the alert both ways and neither worked. I then tried calling the javascript function with the window.parent prefix:

e.javascript = "window.parent.js_load_tickets();"

AND IT WORKED. finally! It gives me the alert popup. Now to see if it will let me do any other javascript commands.

[TheSmitchell]

Re: Javascript and XBasic Help Please

I have tried the alert both ways and neither worked. I then tried calling the javascript function with the window.parent prefix:

e.javascript = "window.parent.js_load_tickets();"

AND IT WORKED. finally! It gives me the alert popup. Now to see if it will let me do any other javascript commands.

Great! Good luck.