--- loncom/interface/lonpickcourse.pm	2003/03/26 00:26:16	1.1
+++ loncom/interface/lonpickcourse.pm	2005/01/27 19:20:55	1.24
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Pick a course
 #
-# $Id: lonpickcourse.pm,v 1.1 2003/03/26 00:26:16 www Exp $
+# $Id: lonpickcourse.pm,v 1.24 2005/01/27 19:20:55 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -33,10 +33,11 @@ use Apache::Constants qw(:common);
 use Apache::loncommon;
 use Apache::loncoursedata;
 use Apache::lonnet;
+use Apache::lonlocal;
 
 sub handler {
     my $r = shift;
-    $r->content_type('text/html');
+    &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;
     return OK if $r->header_only;
 
@@ -47,40 +48,219 @@ sub handler {
 <title>The LearningOnline Network with CAPA</title>
 </head>
 ENDDOCUMENT
-
-# Is this even in a course?
-
+# Get parameters from query string
     &Apache::loncommon::get_unprocessed_cgi
         ($ENV{'QUERY_STRING'},['domainfilter','descriptfilter',
-                 'sincefilter','form','cnumelement','cdomelement']);
+			       'sincefilter','form','cnumelement',
+			       'cdomelement','cnameelement','roleelement',
+                               'pickedcourse','instcodefilter','ownerfilter']);
+# domain filter and selection
     my $domainfilter=$ENV{'form.domainfilter'};
     $domainfilter=~s/\W//g;
-    unless ($domainfilter) { $domainfilter='.'; }
+    unless ($domainfilter) { $domainfilter=''; }
+    my $domainselectform=&Apache::loncommon::select_dom_form($domainfilter,
+                                                          'domainfilter',1);
+# description filter
     my $descriptfilter=$ENV{'form.descriptfilter'};
-    $descriptfilter=~s/\W//g;
-    unless ($descriptfilter) { $descriptfilter='.'; }
+    unless ($descriptfilter) { $descriptfilter=''; }
+    my $listdescript=&HTML::Entities::encode($descriptfilter,'<>&"');
+# institutional code filter
+    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,'<>&"');
+# last course activity filter and selection
     my $sincefilter=$ENV{'form.sincefilter'};
-    $sincefilter=~s/\D//g;
-    unless ($sincefilter) { $sincefilter=0; }
-       
-    $r->print(&Apache::loncommon::bodytag("Selecting a Course"));
+    $sincefilter=~s/[^\d-]//g;
+    unless ($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);
+        }
+    }
+    $r->print(&Apache::loncommon::bodytag("Selecting a Course",undef,$loaditem));
+    my %lt=&Apache::lonlocal::texthash(
+				       'cac' => 'Course Activity',
+				       'cde' => 'Course Description',
+				       'cdo' => 'Course Domain',
+                                       'cin' => 'Course Institutional Code',
+                                       'cow' => "Course Owner's usename");
+    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.'" />';
+        $submitopener = &Apache::lonroles::processpick($roledom);
+        $autosubmit = 'process_pick("'.$roledom.'")';
+    }
     $r->print(<<ENDSCRIPT);
 <script>
-function gochoose(cname,cdom) {
+function gochoose(cname,cdom,cdesc) {
+    $name_code
+    var openerForm = "$ENV{'form.form'}";
     opener.document.$ENV{'form.form'}.$ENV{'form.cnumelement'}.value=cname;
-    var slct=opener.document.$ENV{'form.form'}.$ENV{'form.cdomelement'};
-    var i;
-    for (i=0;i<slct.length;i++) {
-        if (slct[i]==cdom) { slct.selectedIndex=i; }
+    if (openerForm == 'cu' || openerForm == 'rolechoice') {
+         opener.document.$ENV{'form.form'}.$ENV{'form.cdomelement'}.value=cdom;
+    }
+    else {
+        var slct=opener.document.$ENV{'form.form'}.$ENV{'form.cdomelement'};
+        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()
 }
 </script>
+$submitopener
+<form method="post">
+<input type="hidden" name="cnumelement" value="$ENV{'form.cnumelement'}" />
+<input type="hidden" name="cdomelement" value="$ENV{'form.cdomelement'}" />
+$name_input
+<input type="hidden" name="form" value="$ENV{'form.form'}" />
+$roleelement
+$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="$listowner" />
+<br />
+$lt{'cde'}:
+<input type="text" name="descriptfilter" size="40" value="$listdescript" />
+<p><input type="submit" name="gosearch" value="Search" /></p>
+</form>
+<hr />
 ENDSCRIPT
-
+# ---------------------------------------------------------------- Get the data
+    if ($ENV{'form.gosearch'}) {
+        $r->print(&mt('Searching').' ...<br />&nbsp;<br />');
+        $r->rflush();
+	unless ($descriptfilter) { $descriptfilter='.'; }
+        unless ($instcodefilter) { $instcodefilter='.'; }
+        unless ($ownerfilter) { $ownerfilter='.'; }
+        my $timefilter=($sincefilter==-1?1:time-$sincefilter);
+	my %courses=
+	    &Apache::lonnet::courseiddump
+	    ($domainfilter,$descriptfilter,$timefilter,$instcodefilter,$ownerfilter);
+	$r->print('<form name="courselist">');
+	my %by_descrip;
+	foreach my $course (keys %courses) {
+            my $descr;
+            if ($courses{$course} =~ m/^([^:]*):/) {
+                $descr = &Apache::lonnet::unescape($1);
+            } else {
+                $descr = &Apache::lonnet::unescape($courses{$course});
+            }
+            my $description = lc($descr);
+            if (exists($by_descrip{$description})) {
+                push @{$by_descrip{$description}}, ($course);
+            } else {
+                @{$by_descrip{$description}} = ($course);
+            }
+	}
+	foreach my $description (sort(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};
+	        $r->print('<input type="button" value="Select" onClick="gochoose('.
+		      "'".$cnum."','".$cdom."','".$cleandesc."')".'" /> '.$description.' ('.
+		      ($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));
+                }
+                $r->print("<br />\n");
+            }
+	}
+	if (!%courses) { $r->print(&mt('None found')); }
+        $r->print('<input type="hidden" name="form" value="'.$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".
+                   '</form>');
+    }
     $r->print('</body></html>');
     return OK;
-} 
+}
 
 1;
 __END__