[BACK]Return to lonpickcourse.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/lonpickcourse.pm between versions 1.2 and 1.41

version 1.2, 2003/03/26 04:57:04 version 1.41, 2006/03/16 21:54:40
Line 33  use Apache::Constants qw(:common); Line 33  use Apache::Constants qw(:common);
 use Apache::loncommon;  use Apache::loncommon;
 use Apache::loncoursedata;  use Apache::loncoursedata;
 use Apache::lonnet;  use Apache::lonnet;
   use Apache::lonlocal;
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     $r->content_type('text/html');      &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;      $r->send_http_header;
     return OK if $r->header_only;      return OK if $r->header_only;
   
 # ------------------------------------------------------------ Print the screen  # ------------------------------------------------------------ Print the screen
     $r->print(<<ENDDOCUMENT);  
 <html>  
 <head>  
 <title>The LearningOnline Network with CAPA</title>  
 </head>  
 ENDDOCUMENT  
   
   
   # Get parameters from query string
     &Apache::loncommon::get_unprocessed_cgi      &Apache::loncommon::get_unprocessed_cgi
         ($ENV{'QUERY_STRING'},['domainfilter','descriptfilter',          ($ENV{'QUERY_STRING'},['domainfilter','descriptfilter',
                  'sincefilter','form','cnumelement','cdomelement']);         'sincefilter','form','cnumelement',
     my $domainfilter=$ENV{'form.domainfilter'};         'cdomelement','cnameelement','roleelement',
                                  'pickedcourse','instcodefilter',
                                  'ownerfilter','coursefilter','multiple']);
   # domain filter and selection
       my $domainfilter=$env{'form.domainfilter'};
     $domainfilter=~s/\W//g;      $domainfilter=~s/\W//g;
     unless ($domainfilter) { $domainfilter='.'; }      unless ($domainfilter) { $domainfilter=''; }
     my $descriptfilter=$ENV{'form.descriptfilter'};      my $domainselectform=&Apache::loncommon::select_dom_form($domainfilter,
     $descriptfilter=~s/\W//g;                                                            'domainfilter',1);
     unless ($descriptfilter) { $descriptfilter='.'; }  # description filter
     my $sincefilter=$ENV{'form.sincefilter'};      my $descriptfilter=$env{'form.descriptfilter'};
     $sincefilter=~s/\D//g;      unless ($descriptfilter) { $descriptfilter=''; }
     unless ($sincefilter) { $sincefilter=0; }      my $listdescript=&HTML::Entities::encode($descriptfilter,'<>&"');
          # institutional code filter
     $r->print(&Apache::loncommon::bodytag("Selecting a Course"));      my $instcodefilter=$env{'form.instcodefilter'};
       unless ($instcodefilter) { $instcodefilter=''; }
       my $listinstcode=&HTML::Entities::encode($instcodefilter,'<>&"');
   # course owner filter
       my $ownerfilter=$env{'form.ownerfilter'};
       unless ($ownerfilter) { $ownerfilter=''; }
       my $listowner=&HTML::Entities::encode($ownerfilter,'<>&"');
   # course ID filter for DCs only
       my ($courseidtag,$coursefilter);
       if ($env{'user.adv'} && $domainfilter && exists($env{'user.role.dc./'.
                           $domainfilter.'/'})) {
           $coursefilter=$env{'form.coursefilter'};
           unless ($coursefilter) { $coursefilter=''; }
           my $listcourseid=&HTML::Entities::encode($coursefilter,'<>&"');
           $courseidtag = &mt('LON-CAPA course ID');
           $courseidtag .= qq|: <input type="text" name="coursefilter" size="25" value="$listcourseid" />
           <br />
           |;
       }
   # last course activity filter and selection
       my $sincefilter=$env{'form.sincefilter'};
       $sincefilter=~s/[^\d-]//g;
       unless ($sincefilter) { $sincefilter=-1; }
       my $sincefilterform=&Apache::loncommon::select_form($sincefilter,
          'sincefilter',('-1'=>'',
                         '86400' => 'today',
                         '604800' => 'last week',
                         '2592000' => 'last month',
                         '7776000' => 'last three months',
                         '15552000' => 'last six months',
                         '31104000' => 'last year',
                         'select_form_order' =>
                         ['-1','86400','604800','2592000','7776000',
         '15552000','31104000']));
   # if called from loncreateuser, report sections, then close
       my ($loaditem,$seclist);
       my $num_sections = 0;
       if ($env{'form.form'} eq 'cu' && $env{'form.pickedcourse'}) {
           $loaditem = 'onLoad="setSections()"';
           my ($cdom,$cnum) = split/_/,$env{'form.pickedcourse'};
           my %sections_count = ();
           $num_sections = &Apache::loncommon::get_sections($cdom,$cnum,\%sections_count);
           my @sections = ();
           if ($num_sections > 0) {
               @sections = (sort {$a <=> $b} keys(%sections_count));
               $seclist = join('","',@sections);
           }
       }
       my $jscript;
       my $title = 'Selecting a course';
   # Setup for multiple course selections, if flag for multiples set.
       my $multiple = $env{'form.multiple'};
       my $multelement;
       if ($multiple) {
           $title = 'Selecting course(s)';
           $jscript = &Apache::loncommon::check_uncheck_jscript();
           $multelement = '<input type="hidden" name="multiple" value="'.$multiple.'" />';
       }
       $r->print(&Apache::loncommon::start_page($title,undef,
        {'add_entries' => $loaditem,
         'no_nav_bar'  => 1, }));
       my %lt=&Apache::lonlocal::texthash(
          'cac' => 'Course Activity',
          'cde' => 'Course Description',
          'cdo' => 'Course Domain',
                                          'cin' => 'Course Institutional Code',
                                          'cow' => "Course Owner's Username");
       my ($name_code,$name_input);
       if (defined($env{'form.cnameelement'}) && $env{'form.cnameelement'} ne '') {
    $name_code = "opener.document.$env{'form.form'}.$env{'form.cnameelement'}.value=cdesc;";
    $name_input ='<input type="hidden" name="cnameelement" value="'.
       $env{'form.cnameelement'}.'" />';
       }
       my $submitopener = '';
       my $autosubmit = '';
       my $roleelement = '';
       my $lastaction = 'self.close()';
       if ($env{'form.form'} eq 'cu') {
           $lastaction = 'document.courselist.pickedcourse.value = cdom+"_"+cname;'."\n".
                         'document.courselist.submit();';
       }
       my $roledom = $env{'form.roleelement'};
       if ($roledom) {
           $roleelement = '<input type="hidden" name="roleelement" value="'.$roledom.'" />';
           $submitopener = &Apache::lonroles::processpick();
           $autosubmit = 'process_pick("'.$roledom.'")';
       }
     $r->print(<<ENDSCRIPT);      $r->print(<<ENDSCRIPT);
 <script>  <script>
 function gochoose(cname,cdom) {  function gochoose(cname,cdom,cdesc,multiple,caller) {
     opener.document.$ENV{'form.form'}.$ENV{'form.cnumelement'}.value=cname;      var openerForm = "$env{'form.form'}";
     var slct=opener.document.$ENV{'form.form'}.$ENV{'form.cdomelement'};      courseCount = 0;
     var i;      var courses = '';
     for (i=0;i<slct.length;i++) {      if (multiple) {
         if (slct[i]==cdom) { slct.selectedIndex=i; }   if (typeof(document.courselist.course_id.length) == 'undefined') {
       // only 1 course checkbox was created
       if (document.courselist.course_id.checked) {
    courses = courses + document.courselist.course_id.value + "&&";
    courseCount ++;
       }
    } else {
       for (var j=0; j<document.courselist.course_id.length; j++) {
    if (document.courselist.course_id[j].checked) {
       courses = courses + document.courselist.course_id[j].value + "&&";
       courseCount ++;
    }
       }
    } 
           opener.document.$env{'form.form'}.coursetotal.value = courseCount;
    if (typeof(opener.document.$env{'form.form'}.coursepick.length) ==
       'undefined') {
       if (opener.document.$env{'form.form'}.coursepick.value == 'specific') {  
    opener.document.$env{'form.form'}.coursepick.checked = true;
       } else {
    opener.document.$env{'form.form'}.coursepick.checked = false;
       }
    } else {
       for (var j=0; j<opener.document.$env{'form.form'}.coursepick.length; j++) { 
    if (opener.document.$env{'form.form'}.coursepick[j].value == 'specific') {  
       opener.document.$env{'form.form'}.coursepick[j].checked = true;
    } else {
       opener.document.$env{'form.form'}.coursepick[j].checked = false;
    }
       }
    }
    if (courseCount > 0) {
       courses = courses.substr(0,courses.length-2);
       opener.document.$env{'form.form'}.courselist.value = courses;
    }
       } else {
           $name_code
           opener.document.$env{'form.form'}.$env{'form.cnumelement'}.value=cname;
           var slct=opener.document.$env{'form.form'}.$env{'form.cdomelement'};
           if (slct.options == undefined) {
               opener.document.$env{'form.form'}.$env{'form.cdomelement'}.value=cdom;
           }
           else {
               var i;
               for (i=0;i<slct.length;i++) {
                   if (slct.options[i].value==cdom) { slct.selectedIndex=i; }
               }
           }
     }      }
     self.close();      $autosubmit
       $lastaction
 }  }
   
   function setSections() {
       var numSections = $num_sections
       var sectionsArray = new Array("$seclist")
       opener.document.$env{"form.form"}.currsec.length = 0
       if (numSections == 0) {
           opener.document.$env{"form.form"}.currsec.multiple=false
           opener.document.$env{"form.form"}.currsec.size=1;
           opener.document.$env{"form.form"}.currsec.options[0] = new Option('No existing sections','',false,false)
       } else {
           if (numSections == 1) {
               opener.document.$env{"form.form"}.currsec.multiple=false;
               opener.document.$env{"form.form"}.currsec.size=1;
               opener.document.$env{"form.form"}.currsec.options[0] = new Option('Select','',true,true);
               opener.document.$env{"form.form"}.currsec.options[1] = new Option('No section','',false,false) 
               opener.document.$env{"form.form"}.currsec.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
           } else {
               for (var i=0; i<numSections; i++) {
                   opener.document.$env{"form.form"}.currsec.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
               }
               opener.document.$env{"form.form"}.currsec.multiple=true
               if (numSections < 3) {
                   opener.document.$env{"form.form"}.currsec.size=numSections;
               } else {
                   opener.document.$env{"form.form"}.currsec.size=3;
               }
               opener.document.$env{"form.form"}.currsec.options[0].selected = false
           }
       }
       self.close()
   }
   
   $jscript
 </script>  </script>
   $submitopener
   <form method="post" name="filterpicker">
   <input type="hidden" name="cnumelement" value="$env{'form.cnumelement'}" />
   <input type="hidden" name="cdomelement" value="$env{'form.cdomelement'}" />
   $name_input
   <input type="hidden" name="form" value="$env{'form.form'}" />
   $roleelement
   $multelement
   $lt{'cac'}: $sincefilterform
   <br />
   $lt{'cdo'}: $domainselectform
   <br />
   $lt{'cin'}:
   <input type="text" name="instcodefilter" size="10" value="$listinstcode" />
   <br />
   $lt{'cow'}:
   <input type="text" name="ownerfilter" size="10" value="$listowner" />
   <br />
   $courseidtag
   $lt{'cde'}:
   <input type="text" name="descriptfilter" size="40" value="$listdescript" />
   <p><input type="submit" name="gosearch" value="Search" /></p>
   </form>
   <hr />
 ENDSCRIPT  ENDSCRIPT
     $r->rflush();  
 # ---------------------------------------------------------------- Get the data  # ---------------------------------------------------------------- Get the data
     my %courses=      if ($env{'form.gosearch'}) {
      &Apache::lonnet::courseiddump($domainfilter,$descriptfilter,$sincefilter);          $r->print(&mt('Searching').' ...<br />&nbsp;<br />');
     foreach (keys %courses) {          $r->rflush();
  $r->print($_.': '.$courses{$_}.'<br />');   unless ($descriptfilter) { $descriptfilter='.'; }
           unless ($instcodefilter) { $instcodefilter='.'; }
           unless ($ownerfilter) { $ownerfilter='.'; }
           unless ($coursefilter) { $coursefilter='.'; }
           my $timefilter=($sincefilter==-1?1:time-$sincefilter);
    my %courses=
       &Apache::lonnet::courseiddump
       ($domainfilter,$descriptfilter,$timefilter,$instcodefilter,$ownerfilter,$coursefilter);
    $r->print('<form name="courselist">');
    my %by_descrip;
           my $numcourses = keys(%courses);
    foreach my $course (keys(%courses)) {
               my $descr;
               if ($courses{$course} =~ m/^([^:]*):/i) {
                   $descr = &Apache::lonnet::unescape($1);
               } else {
                   $descr = &Apache::lonnet::unescape($courses{$course});
               }
               my $description = $descr;
               push (@{$by_descrip{$description}}, $course);
    }
           if ($numcourses > 1 && $multiple) {
               $r->print('<input type="button" value="check all"
                       onclick="javascript:checkAll(document.courselist.course_id)" />                    &nbsp;&nbsp;<input type="button" value="uncheck all"
                       onclick="javascript:uncheckAll(document.courselist.course_id)" />
                       <br /><br />');
           }
    foreach my $description (sort 
    { lc($a) cmp lc($b) } (keys(%by_descrip))) {
               foreach my $course (@{$by_descrip{$description}}) {
           my $cleandesc=&HTML::Entities::encode($description,'<>&"');
           $cleandesc=~s/'/\\'/g;
           my ($cdom,$cnum)=split(/\_/,$course);
                   my ($descr,$instcode,$owner) = split/:/,$courses{$course};
                   $r->print(&course_chooser($multiple,$cdom,$cnum,$cleandesc));
           $r->print($description.'('.
         ($Apache::lonnet::domaindescription{$cdom}?
                          $Apache::lonnet::domaindescription{$cdom}:$cdom).")");
                   unless ($instcode eq '') {
                       $r->print(" - ".&Apache::lonnet::unescape($instcode));
                   }
                   unless ($owner eq '') {
                       $r->print(", owner - ".&Apache::lonnet::unescape($owner));
                   }
    if ($multiple) { $r->print("</label>\n"); }
                   $r->print("<br />\n");
               }
    }
    if (!%courses) { 
               $r->print(&mt('None found'));
           } elsif ($multiple) {
               $r->print('<input type="button" value="Submit" onClick="gochoose('."'','','',1)".'" />');
           }
           $r->print('<input type="hidden" name="form" value="'.$env{'form.form'}.'" />'."\n".
                      '<input type="hidden" name="pickedcourse" value="" />'."\n".
                      '<input type="hidden" name="cnumelement" value="'.$env{'form.cnumelement'}.'" />'."\n".
                      '<input type="hidden" name="cdomelement" value="'.$env{'form.cdomelement'}.'" />'."\n");
           if ((exists($env{'form.roleelement'})) && ($env{'form.form'} eq 'rolechoice')) {
              $r->print('<input type="hidden" name="roleelement" value="'.$env{'form.roleelement'}.'" />'."\n");
           }
           $r->print("</form>\n");
     }      }
     $r->print('</body></html>');      $r->print(&Apache::loncommon::end_page());
     return OK;      return OK;
   }
   
   sub course_chooser {
       my ($multiple,$cdom,$cnum,$cleandesc) = @_;
       my $output; 
       if ($multiple) {
           $output = '<label><input type="checkbox" name="course_id" value="'.$cdom.'_'.$cnum.'" />'."\n";
       } else {
           $output = '<input type="button" value="Select" onClick="gochoose('.
                     "'".$cnum."','".$cdom."','".$cleandesc."')".'" />'."\n";
       }
       return $output;
 }   } 
   
 1;  1;
Removed from v.1.2  
changed lines
  Added in v.1.41

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