File:  [LON-CAPA] / loncom / interface / lonpickstudent.pm
Revision 1.32: download - view: text, annotated - select for diffs
Mon Jul 15 16:13:22 2013 UTC (10 years, 9 months ago) by bisitz
Branches: MAIN
CVS tags: version_2_11_2_uiuc, version_2_11_2_msu, version_2_11_2_educog, version_2_11_2, version_2_11_1, version_2_11_0_RC3, version_2_11_0_RC2, version_2_11_0_RC1, version_2_11_0, HEAD
XHTML: action attribute in <form> tag required (dummy attribute added)

    1: # The LearningOnline Network
    2: # Pick a student from the classlist
    3: #
    4: # $Id: lonpickstudent.pm,v 1.32 2013/07/15 16:13:22 bisitz Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: package Apache::lonpickstudent;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common);
   33: use Apache::loncommon;
   34: use Apache::loncoursedata;
   35: use Apache::lonnet;
   36: use Apache::lonlocal;
   37: use Apache::longroup;
   38: use LONCAPA;
   39: 
   40: sub handler {
   41:     my $r = shift;
   42:     &Apache::loncommon::content_type($r,'text/html');
   43:     $r->send_http_header;
   44:     return OK if $r->header_only;
   45: 
   46: # ------------------------------------------------------------ Print the screen
   47:     $r->print(&Apache::loncommon::start_page("Selecting a User",undef,
   48: 					     {'no_nav_bar' => 1}));
   49: 
   50: 
   51:     &Apache::loncommon::get_unprocessed_cgi
   52:         ($ENV{'QUERY_STRING'},['filter','form','unameelement','udomelement',
   53: 			       'roles','courseadvonly','clicker']);
   54: # Allowed?
   55:     my $allowed;
   56:     my $scope = $env{'request.course.id'};
   57:     if (!($allowed = &Apache::lonnet::allowed('srm',$scope))) {
   58: 	$scope .= '/'.$env{'request.course.sec'};
   59: 	$allowed = &Apache::lonnet::allowed('srm',$scope);
   60: 	if ($allowed) { $allowed = 'section';	}
   61:     }
   62: 
   63:     unless (($env{'form.roles'}) ||
   64:             (($env{'request.course.id'}) && ($allowed))) {
   65: 	$r->print(&mt('No context.').
   66: 		  &Apache::loncommon::end_page());
   67:         return OK;
   68:     }
   69: 
   70: # See if filter present
   71:     my $filter=$env{'form.filter'};
   72:     my $filtermsg;
   73:     my $encoded_filter = &HTML::Entities::encode($filter,'<>&"');
   74:     $filter = quotemeta($filter);
   75:     my $change = &mt('Change');
   76:     my $filterbutton =<<FILTER;
   77:   <input type="text" name="filter" value="$encoded_filter" />
   78:   <input type="submit" name="Change" value="$change" />
   79: FILTER
   80:     foreach my $name ('form','unameelement','udomelement','roles') {
   81: 	my $value = &HTML::Entities::encode($env{"form.$name"},'<>&"');
   82: 	$filterbutton .= <<HIDDEN;
   83:    <input type="hidden" name="$name" value="$value" />
   84: HIDDEN
   85:     }
   86:     unless ($env{'form.courseadvonly'}) {
   87:         $filtermsg = '<br />'.
   88: 	    &mt('Showing users with a name starting with [_1]',
   89: 	        $filterbutton).'<br />';
   90:     }
   91:     if ($filter eq '') {
   92: 	$filter = '.'
   93:     }
   94: 
   95: # --------------------------------------- There is such a user, get environment
   96: 
   97:     $r->print(<<ENDSCRIPT);
   98: <script type="text/javascript">
   99: function gochoose(uname,udom) {
  100:     opener.document.$env{'form.form'}.elements['$env{'form.unameelement'}'].value=uname;
  101:     var slct=opener.document.$env{'form.form'}.elements['$env{'form.udomelement'}'];
  102:     var i;
  103:     for (i=0;i<slct.length;i++) {
  104:         if (slct.options[i].value==udom) { slct.selectedIndex=i; }
  105:     }
  106:     self.close();
  107: }
  108: </script>
  109: ENDSCRIPT
  110: 
  111:     $r->print('<form action="">');
  112:     if ($allowed && (!$env{'form.roles'})) {
  113: # -------------------------------------------------------- Get course personnel
  114: 	$r->print('<h3>'.$env{'course.'.$env{'request.course.id'}.'.description'}.
  115: 		  '</h3>');
  116: 	my %coursepersonnel=
  117: 	    &Apache::lonnet::get_course_adv_roles();
  118: 	$r->print(&Apache::loncommon::start_data_table());
  119: 	foreach my $role (sort(keys(%coursepersonnel))) {
  120: 	    foreach my $user (split(/\,/,$coursepersonnel{$role})) {
  121: 		my ($puname,$pudom)=split(/\:/,$user);
  122: 		$r->print(&Apache::loncommon::start_data_table_row().
  123: 			  '<td>'.
  124: 			  '<input type="button" value="'.&mt('Select').'" onclick="gochoose('.
  125: 			  "'".$puname."','".$pudom."')".'" /></td><td>'.$role.'</td><td>'.
  126: 			  &Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($puname,$pudom),$puname,$pudom).'</td>'.
  127: 			  &Apache::loncommon::end_data_table_row());
  128: 	    }
  129: 	}
  130: 	$r->print(&Apache::loncommon::end_data_table().'<p>&nbsp;');
  131: 
  132: 	$r->print($filtermsg);
  133: 
  134: 	$r->print('</p>');
  135: 
  136:         $r->rflush();
  137: 
  138:         unless ($env{'form.courseadvonly'}) {
  139: 
  140: # ------------------------------------------------------------------ Students
  141: 
  142: # Do we have a clicker?
  143: 
  144:             my $clicker=$env{'form.clicker'};
  145:             my @fragments=();
  146:             if ($clicker) {
  147:                $r->print('<h1>'.&mt('Clicker: [_1]',$clicker).'</h1>');
  148:                my $clicklength=length($clicker);
  149:                my $maxlength=$clicklength-1;
  150:                if ($maxlength>2) {
  151:                   my $minlength=$maxlength-2;
  152:                   if ($minlength<2) { $minlength=2; }
  153:                   for (my $length=$maxlength;$length>=$minlength;$length--) {
  154:                       for (my $startidx=0; $startidx<=$clicklength-$length; $startidx++) {
  155:                           push(@fragments,substr($clicker,$startidx,$length));
  156:                       }
  157:                   }
  158:                }
  159:             }
  160: 
  161: 	    my $result;
  162:             my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  163:             my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  164:             my $classlist=&Apache::loncoursedata::get_classlist();
  165:             my %grouplist=&Apache::lonnet::get_group_membership($cdom,$cnum);
  166:             my $now = time;
  167:             my %allgroups = &Apache::longroup::coursegroups($cdom,$cnum);
  168: 
  169: 	    foreach my $user (sort(keys(%$classlist))) {
  170: 	        # the following undefs are for 'domain', and 'username' respectively.
  171: 	        my (undef,undef,$end,$start,$id,$section,$fullname,$status)=
  172: 		    @{$classlist->{$user}};
  173: 	        if ($allowed eq 'section' && $section ne $env{'request.course.sec'}) {
  174: 		    next;
  175: 	        }
  176: 	        if ($user=~/^($LONCAPA::username_re)\:($LONCAPA::domain_re)$/) {
  177: 		    my ($uname,$udom)=($1,$2);
  178: 		    if (($uname=~/^$filter/) || ($fullname=~/^$filter/i)) {
  179: 		        my $grouplist = '';
  180: 		        foreach my $group (sort(keys(%allgroups))) {
  181: 			    if (exists($grouplist{$group.':'.$uname.':'.$udom})) {
  182: 			        my ($end,$start) = split(/:/,$grouplist{$group.':'.$uname.':'.$udom});
  183: 			        if (($end!=0) && ($end<$now)) { next; }
  184: 			        if (($start!=0) && ($start>$now)) {next; }
  185: 			        $grouplist .= " $group,"; 
  186: 			    }
  187: 		        }
  188: 		        $grouplist =~ s/,$//;
  189:                         my $markedupclicker;
  190:                         if ($clicker) {
  191:                            $markedupclicker=(&Apache::lonnet::userenvironment($udom,$uname,'clickers'))[1];
  192:                            if ($markedupclicker!~/\w/) { 
  193:                               $markedupclicker='-'; 
  194:                            } else {
  195:                                foreach my $frag (@fragments) {
  196:                                   if ($markedupclicker=~/\Q$frag\E/is) {
  197:                                      $markedupclicker=~s/(\Q$frag\E)/<font color=\"green\" size=\"\+1\"><b>$1<\/b><\/font>/gis;
  198:                                      last;
  199:                                   }
  200:                                }
  201:                            }
  202:                         }
  203: 		        $result .=&Apache::loncommon::start_data_table_row().
  204: 		    	          '<td>'.
  205: 			          '<input type="button" value="'.&mt('Select').'" onclick="gochoose('.
  206: 			          "'".$uname."','".$udom."')".'" /></td>'.
  207: 			          '<td><tt>'.$uname.'</tt></td><td> <tt>'.$udom.
  208: 			          '</tt></td><td>'.
  209: 			          &Apache::loncommon::aboutmewrapper($fullname,
  210: 				    				     $uname,$udom).
  211: 			          '</td><td>'.$id.'</td><td>'.$section.
  212: 			          '</td><td>'.$grouplist.'</td>'.
  213:                                   ($clicker?'<td>'.$markedupclicker.'</td>':'').
  214: 			          &Apache::loncommon::end_data_table_row();
  215: 		    }
  216: 	        }
  217: 	    }
  218: 	    if (!$result) {
  219: 	        $r->print('<p>'.&mt('No students found.').'</p>');
  220: 	    } else {
  221: 	        $r->print(&Apache::loncommon::start_data_table().
  222: 	    	          &Apache::loncommon::start_data_table_header_row().
  223: 		          &Apache::loncommon::end_data_table_header_row().
  224: 		          '<th>&nbsp;</th>'.
  225: 		          '<th>'.&mt('username').'</th>'.
  226: 		          '<th>'.&mt('domain').'</th>'.
  227: 		          '<th>'.&mt('Name').'</th>'.
  228: 		          '<th>'.&mt('ID').'</th>'.
  229: 		          '<th>'.&mt('section').'</th>'.
  230: 		          '<th>'.&mt('active group(s)').'</th>'.
  231:                           ($clicker?'<th>'.&mt('clicker').'</th>':'').
  232: 		          &Apache::loncommon::end_data_table_header_row().
  233: 		          $result.
  234: 		          &Apache::loncommon::end_data_table());
  235: 	    }
  236:         }
  237:     } else {
  238: 	$r->print('<h3>'.&mt('Users with Roles Assigned by').' '.
  239: 		  &Apache::loncommon::plainname($env{'user.name'},
  240: 						$env{'user.domain'}).'</h3>');
  241: 	$r->print($filtermsg);
  242:         $r->rflush();
  243: 
  244: 	$r->print('<p>'.&Apache::loncommon::start_data_table());
  245: 	my %user_role=&Apache::lonnet::get_my_roles();
  246: 	my %users;
  247: 	foreach my $user_role (keys(%user_role)) {
  248: 	    next if ($user_role !~
  249: 		     /^($LONCAPA::username_re):($LONCAPA::domain_re):(\w+)$/);
  250: 	    my ($uname,$udom,$urole)=($1,$2,$3);
  251: 	    my $fullname=&Apache::loncommon::plainname($uname,$udom);
  252: 	    next if (($uname!~/^$filter/i) && ($fullname !~/^$filter/i));
  253: 	    
  254: 	    if (!exists($users{"$uname:$udom"})) {
  255: 		$users{"$uname:$udom"} = {'fullname' => $fullname };
  256: 	    }
  257: 	    push(@{$users{"$uname:$udom"}{'roles'}},$urole);
  258: 	}
  259: 	foreach my $user (sort {lc($a) cmp lc($b)} (keys(%users))) {
  260: 	    my ($uname,$udom) = split(':',$user);
  261: 	    $r->print(&Apache::loncommon::start_data_table_row().
  262: 		      '<td>'.
  263: 		      '<input type="button" value="'.&mt('Select').'" onclick="gochoose('.
  264: 		      "'".$uname."','".$udom."')".'" /></td>'.
  265: 		      '<td><tt>'.$uname.'</tt></td>'.
  266: 		      '<td><tt>'.$udom.'</tt></td><td>'.
  267: 		      &Apache::loncommon::aboutmewrapper($users{$user}{'fullname'},
  268: 							 $uname,$udom).'</td>'.
  269: 		      '<td>'.
  270: 		      join(', ',sort(map {&Apache::lonnet::plaintext($_)}
  271: 				         (@{$users{$user}{'roles'}}))).
  272: 		      '</td>'.
  273: 		      &Apache::loncommon::end_data_table_row());
  274: 	}
  275: 	$r->print(&Apache::loncommon::end_data_table().'</p>');
  276:     }
  277:     $r->print('</form>'.&Apache::loncommon::end_page());
  278:     return OK;
  279: } 
  280: 
  281: 1;
  282: __END__

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