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Annotation of loncom/cgi/imagechoice.pl, revision 1.2

1.1       www         1: #!/usr/bin/perl
                      2: #
1.2     ! www         3: # $Id: imagechoice.pl,v 1.1 2003/02/12 01:58:37 www Exp $
1.1       www         4: #
                      5: # Copyright Michigan State University Board of Trustees
                      6: #
                      7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      8: #
                      9: # LON-CAPA is free software; you can redistribute it and/or modify
                     10: # it under the terms of the GNU General Public License as published by
                     11: # the Free Software Foundation; either version 2 of the License, or
                     12: # (at your option) any later version.
                     13: #
                     14: # LON-CAPA is distributed in the hope that it will be useful,
                     15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     17: # GNU General Public License for more details.
                     18: #
                     19: # You should have received a copy of the GNU General Public License
                     20: # along with LON-CAPA; if not, write to the Free Software
                     21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     22: #
                     23: # /home/httpd/cgi-bin/plot.gif
                     24: #
                     25: # http://www.lon-capa.org/
                     26: #
                     27: use strict;
                     28: 
                     29: $|=1;
                     30: 
                     31: my %data;
                     32: foreach (split/&/,$ENV{'QUERY_STRING'}) {
                     33:     my ($name,$value)=split/=/;
                     34:     $data{$name}=$value;
                     35: }
                     36: my $filename = $data{'file'};
                     37: my $formname = $data{'formname'};
                     38: my $formx = $data{'formx'};
                     39: my $formy = $data{'formy'};
                     40: my $formwidth = $data{'formwidth'};
                     41: my $formheight = $data{'formheight'};
                     42: # unescape filename
                     43: $filename =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
                     44: 
                     45: 
                     46: if ((defined($data{'x'})) && (defined($data{'y'}))) {
1.2     ! www        47:     my $output='';
        !            48:     if ($data{'formwidth'}) {
        !            49: 	$output.='parent.'.$data{'formname'}.'.'.$data{'formwidth'}.
        !            50: 	    '.value=document.pickimg.width;';
        !            51:     }
        !            52:     if ($data{'formheight'}) {
        !            53: 	$output.='parent.'.$data{'formname'}.'.'.$data{'formheight'}.
        !            54: 	    '.value=document.pickimg.height;';
        !            55:     }
        !            56:     if ($data{'formx'}) {
        !            57: 	$output.='parent.'.$data{'formname'}.'.'.$data{'formx'}.
        !            58: 	    '.value='.$data{'x'}.';';
        !            59:     }
        !            60:     if ($data{'formy'}) {
        !            61: 	$output.='parent.'.$data{'formname'}.'.'.$data{'formy'}.
        !            62: 	    '.value='.$data{'y'}.';';
        !            63:     }
1.1       www        64:     print <<"ENDSUBM";
                     65: Content-type: text/html
                     66: 
                     67: <html>
                     68: <script>
                     69:     function submitthis() {
1.2     ! www        70: 	$output
1.1       www        71:     }
                     72: </script>
                     73: <body bgcolor="#FFFFFF" onLoad="submitthis()">
                     74: <h3>Position Selected</h3>
                     75: <img name="pickimg" src="$filename" />
                     76: </body>
                     77: </html>
                     78: ENDSUBM
                     79: } else {
                     80:     print <<"END";
                     81: Content-type: text/html
                     82: 
                     83: <html>
                     84: <body bgcolor="#FFFFFF">
                     85: <h3>Select Position on Image</h3>
                     86: <form>
                     87: <input type="hidden" name="formname" value="$formname" />
                     88: <input type="hidden" name="formx" value="$formx" />
                     89: <input type="hidden" name="formy" value="$formy" />
                     90: <input type="hidden" name="formwidth" value="$formwidth" />
                     91: <input type="hidden" name="formheight" value="$formheight" />
                     92: <input type="hidden" name="file" value="$filename" />
                     93: <input type="image" src="$filename" />
                     94: </form>
                     95: </body>
                     96: </html>
                     97: END
                     98: }
                     99: 
                    100: 
                    101: 
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