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Top Forums UNIX for Dummies Questions & Answers onChange + javascript in perl CGI - question Post 302218826 by matrixmadhan on Sunday 27th of July 2008 07:04:57 AM
Old 07-27-2008
onChange + javascript in perl CGI - question

Hello all,

Am trying to include a onChange java script to my perl CGI application which uses POST method to upload files to file_server

This is how I embedded javascript in the perl code that renders CGI application

Code:
print qq|
  <script type="text/javascript" src="display.js">
  </script>
  |;

Contents of display javascript are :

Code:
function changeDispatch(newLink) {
  if ( newLink != null ) {
    document.location.href = newLink;
  }
}

This is the popup menu, when an item is selected from the list it should automatically trigger the action designation instead of a separate "GO" ( submit ) button for each of the popup menu that I have got.

Code:
print $cgi->popup_menu(-name=>'fruits',
                         -values=>$fruits_arr,
                         -onChange=>"changeDispatch('$arg')");

Here in '$arg' if am able to store the selected value from the popup_menu, then its quite easy to formulate a string and pass it to changedDispatch in javascript.
But am not able to retrieve any such data

Whats happening :
If I click on any of the fruits say, "apple" the onClick effect is happening and it comes to the same initial page. If that is, fruits.cgi once I click that - it again comes to fruits.cgi as though it has been loaded for the first time

What I want to happen :
Based on the onClick event, I have other functions to be dispatched via GUI. That would seem to happen only when I know what option is clicked.

I accept that am not that good when it comes to GUI design or adding effects to that.

I have seen several website doing this, it should be something very easy for those who had already worked on this.
Could you please provide some pointers ?

thanks Smilie

Last edited by matrixmadhan; 07-27-2008 at 09:09 AM.. Reason: added more relevant information
 

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PFUNC(1p)						User Contributed Perl Documentation						 PFUNC(1p)

NAME
pfunc - grep for perl functions SYNOPSIS
pfunc subroutine FILES... DESCRIPTION
pfunc searches the named FILES for all calls to the given subroutine. It will report back the file and line number each call is found on along with what sort of call it is function foo() class method Class->foo() object method $obj->foo() EXAMPLE
$ pfunc isa /usr/share/perl/5.6.1/*.pm Called as function in /usr/share/perl/5.6.1/CGI.pm at line 316 Called as function in /usr/share/perl/5.6.1/CGI.pm at line 327 Called as function in /usr/share/perl/5.6.1/CGI.pm at line 397 Called as function in /usr/share/perl/5.6.1/CGI.pm at line 494 Called as function in /usr/share/perl/5.6.1/CGI.pm at line 495 Called as object method in /usr/share/perl/5.6.1/CPAN.pm at line 4957 Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 191 Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 218 Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 248 Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 251 Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 254 Called as object method in /usr/share/perl/5.6.1/Shell.pm at line 28 Called as object method in /usr/share/perl/5.6.1/base.pm at line 12 NOTES
Its not fast, but its accurate. AUTHOR
Michael G Schwern <schwern@pobox.com> SEE ALSO
Module::Info perl v5.10.1 2010-10-03 PFUNC(1p)
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