--- loncom/interface/courseclassifier.pm	2011/02/25 02:07:46	1.12
+++ loncom/interface/courseclassifier.pm	2017/01/18 21:24:39	1.26
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utilities for classifying courses based on institutional code
 #
-# $Id: courseclassifier.pm,v 1.12 2011/02/25 02:07:46 raeburn Exp $
+# $Id: courseclassifier.pm,v 1.26 2017/01/18 21:24:39 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -37,7 +37,8 @@ use LONCAPA;
 sub retrieve_instcodes {
     my ($coursecodes,$codedom) = @_;
     my $totcodes;
-    my %courses = &Apache::lonnet::courseiddump($codedom,'.',1,'.','.','.',                                                undef,undef,'Course');
+    my %courses = &Apache::lonnet::courseiddump($codedom,'.',1,'.','.','.',
+                                                undef,undef,'Course');
     foreach my $course (keys(%courses)) {
         if (ref($courses{$course}) eq 'HASH') {
             if ($courses{$course}{'inst_code'} ne '') {
@@ -147,7 +148,7 @@ sub build_code_selections {
     for (my $i=1; $i<@{$codetitles}; $i++) {
         %{$idarrays{$$codetitles[$i]}} = ();
     }
-    foreach my $cid (sort keys %{$codes}) {
+    foreach my $cid (sort(keys(%{$codes}))) {
         &recurse_list($cid,$codetitles,$codes,0,\%idarrays);
     }
     for (my $num=0; $num<@{$codetitles}; $num++) {
@@ -168,7 +169,7 @@ sub build_code_selections {
         } elsif ($num == 1) {
             %{$$idlist{$$codetitles[1]}} = ();
             %{$$idlist_titles{$$codetitles[1]}} = ();
-            foreach my $key_a (keys %{$idarrays{$$codetitles[1]}}) {
+            foreach my $key_a (keys(%{$idarrays{$$codetitles[1]}})) {
                 my @sorted_a = ();
                 my @sorted_a_titles = ();
                 &sort_cats($num,$cat_order,$codetitles,\@{$idarrays{$$codetitles[1]}{$key_a}},\@sorted_a);
@@ -186,10 +187,10 @@ sub build_code_selections {
         } elsif ($num == 2) {
             %{$$idlist{$$codetitles[2]}} = ();
             %{$$idlist_titles{$$codetitles[2]}} = ();
-            foreach my $key_a (keys %{$idarrays{$$codetitles[2]}}) {
+            foreach my $key_a (keys(%{$idarrays{$$codetitles[2]}})) {
                 %{$$idlist{$$codetitles[2]}{$key_a}} = ();
                 %{$$idlist_titles{$$codetitles[2]}{$key_a}} = ();
-                foreach my $key_b (keys %{$idarrays{$$codetitles[2]}{$key_a}}) {
+                foreach my $key_b (keys(%{$idarrays{$$codetitles[2]}{$key_a}})) {
                     my @sorted_b = ();
                     my @sorted_b_titles = ();
                     &sort_cats($num,$cat_order,$codetitles,\@{$idarrays{$$codetitles[2]}{$key_a}{$key_b}},\@sorted_b);
@@ -207,11 +208,11 @@ sub build_code_selections {
             }
         } elsif ($num == 3) {
             %{$$idlist{$$codetitles[3]}} = ();
-            foreach my $key_a (keys %{$idarrays{$$codetitles[3]}}) {
+            foreach my $key_a (keys(%{$idarrays{$$codetitles[3]}})) {
                 %{$$idlist{$$codetitles[3]}{$key_a}} = ();
-                foreach my $key_b (keys %{$idarrays{$$codetitles[3]}{$key_a}}) {
+                foreach my $key_b (keys(%{$idarrays{$$codetitles[3]}{$key_a}})) {
                     %{$$idlist{$$codetitles[3]}{$key_a}{$key_b}} = ();
-                    foreach my $key_c (keys %{$idarrays{$$codetitles[3]}{$key_a}{$key_b}}) {
+                    foreach my $key_c (keys(%{$idarrays{$$codetitles[3]}{$key_a}{$key_b}})) {
                         my @sorted_c = ();
                         my @sorted_c_titles = ();
                         &sort_cats($num,$cat_order,$codetitles,\@{$idarrays{$$codetitles[3]}{$key_a}{$key_b}{$key_c}},\@sorted_c);
@@ -230,13 +231,13 @@ sub build_code_selections {
             }
         } elsif ($num == 4) {
             %{$$idlist{$$codetitles[4]}} = ();
-            foreach my $key_a (keys %{$idarrays{$$codetitles[4]}}) {
+            foreach my $key_a (keys(%{$idarrays{$$codetitles[4]}})) {
                 %{$$idlist{$$codetitles[4]}{$key_a}} = ();
-                foreach my $key_b (keys %{$idarrays{$$codetitles[4]}{$key_a}}) {
+                foreach my $key_b (keys(%{$idarrays{$$codetitles[4]}{$key_a}})) {
                     %{$$idlist{$$codetitles[4]}{$key_a}{$key_b}} = ();
-                    foreach my $key_c (keys %{$idarrays{$$codetitles[4]}{$key_a}{$key_b}}) {
+                    foreach my $key_c (keys(%{$idarrays{$$codetitles[4]}{$key_a}{$key_b}})) {
                         %{$$idlist{$$codetitles[4]}{$key_a}{$key_b}{$key_c}} = ();
-                        foreach my $key_d (keys %{$idarrays{$$codetitles[4]}{$key_a}{$key_b}{$key_c}}) {
+                        foreach my $key_d (keys(%{$idarrays{$$codetitles[4]}{$key_a}{$key_b}{$key_c}})) {
                             my @sorted_d = ();
                             my @sorted_d_titles = ();
                             &sort_cats($num,$cat_order,$codetitles,$idarrays{$$codetitles[4]}{$key_a}{$key_b}{$key_c}{$key_d},\@sorted_d);
@@ -259,7 +260,9 @@ sub build_code_selections {
 }
 
 sub javascript_code_selections {
-    my ($formname,@codetitles) = @_;
+    my ($formname,$codetitlesref,$knowncodes,$sectionlist) = @_;
+    return unless (ref($codetitlesref) eq 'ARRAY');
+    my @codetitles = @{$codetitlesref};
     my $numtitles = @codetitles;
     my %lt = &Apache::lonlocal::texthash(
                       Select => 'Select',
@@ -354,15 +357,92 @@ sub javascript_code_selections {
    document.$formname.Number.selectedIndex = 0
  }
 }
+END_OF_BLOCK
+
+    if ((ref($knowncodes) eq 'HASH') && (keys(%{$knowncodes}) > 0)) {
+        my @standardnames = &Apache::loncommon::get_standard_codeitems();
+        my (%local_to_standard,$currstr);
+        for (my $i=0; $i<@codetitles; $i++) {
+            $local_to_standard{$codetitles[$i]} = $standardnames[$i];
+        }
+        $output .= <<"ENDJS";
+
+function initialize_codes() {
+ENDJS
+        for (my $i=0; $i<@codetitles-1; $i++) {
+            my $item = $local_to_standard{$codetitles[$i]};
+            $currstr .= $knowncodes->{$codetitles[$i]};
+            if ($knowncodes->{$codetitles[$i]} != -1) {
+                $output .= '
+    for (var j=0; j<document.'.$formname.'.'.$item.'.length; j++) {
+        if (document.'.$formname.'.'.$item.'[j].value == "'.$knowncodes->{$codetitles[$i]}.'") {
+            document.'.$formname.'.'.$item.'.selectedIndex = j;
+        }
+    }
+';
+            }
+            $output .= '   courseSet('."'$codetitles[$i]'".')'."\n";
+        }
+        my $lastcodetitle =  $local_to_standard{$codetitles[-1]};
+        $currstr .= $knowncodes->{$codetitles[-1]};
+        if ($knowncodes->{$codetitles[-1]} != -1) {
+            $output .= '
+    for (var j=0; j<document.'.$formname.'.'.$lastcodetitle.'.length; j++) {
+        if (document.'.$formname.'.'.$lastcodetitle.'[j].value == "'.$knowncodes->{$codetitles[-1]}.'") {
+            document.'.$formname.'.'.$lastcodetitle.'.selectedIndex = j;
+        }
+    }
+';
+        }
+        $output .= "    return;\n}\n";
+        if ($sectionlist) {
+            $output .= '
+function toggleSecVis() {
+    var currcode = "";
+    var crscode = '."'$currstr'".';
+';
+            for (my $i=0; $i<@codetitles-1; $i++) {
+                my $item = $local_to_standard{$codetitles[$i]};
+                $output .= 'currcode += document.'.$formname.'.'.$item.'.options[document.'.$formname.'.'.$item.'.selectedIndex].value;'."\n";
+            }
+            my $lastcodetitle =  $local_to_standard{$codetitles[-1]};
+            if ($lastcodetitle ne '') {
+                if ($knowncodes->{$codetitles[-1]} != -1) {
+                    $output .= 'currcode += document.'.$formname.'.'.$lastcodetitle.'.options[document.'.$formname.'.'.$lastcodetitle.'.selectedIndex].value;'."\n";
+                }
+            }
+            $output .= <<"ENDSEC";
+    var showlist = 'none';
+    var showbox = 'inline';
+    if ((crscode != '') && (currcode == crscode)) {
+        showlist = 'inline';
+        showbox = 'none';
+    }
+    alert("crscode is ||"+crscode+"|| and currcode is ||"+currcode+"|| and showlist is ||"+showlist+"|| and showbox is ||"+showbox+"||");
+    if (document.getElementById('LC_helpdesk_sectionlist')) {
+        document.getElementById('LC_helpdesk_sectionlist').style.display = showlist;
+    }
+    if (document.getElementById('LC_helpdesk_section')) {
+        document.getElementById('LC_helpdesk_section').style.display = showbox;
+    }
+    return;
+}
+
+ENDSEC
+
+        }
+    } else {
+        $output .= <<"END_OF_JS";
 
 function initialize_codes() {
     courseSet();
     return;
 }
-END_OF_BLOCK
+END_OF_JS
+    }
+    return $output;
 }
 
-
 sub javascript_definitions {
     my ($codetitles,$idlist,$idlist_titles,$idnums,$cat_titles) = @_;
     my $numtitles = @{$codetitles};
@@ -488,12 +568,27 @@ sub instcode_selectors_data {
                 if ($officialjs) {
                     $jscript .= '
 
-function toggleOfficial() {';
+function toggleOfficial() {
+   var choice; 
+   for (var i=0; i<document.'.$formname.'.official.length; i++) {
+       if (document.'.$formname.'.official[i].checked) {
+           choice = document.'.$formname.'.official[i].value;
+       }
+   }
+   if (choice == "off") {
+       if (document.getElementById("instcodes")) {
+           document.getElementById("instcodes").style.display = "none";
+       }';
                     for (my $i=0; $i<@{$codetitles}-1; $i++) {
                         $jscript .= '
-            document.'.$formname.'.'.$codetitles->[$i].'.selectedIndex = 0;';
+       document.'.$formname.'.'.$codetitles->[$i].'.selectedIndex = 0;';
                     }
-    $jscript .=  '
+    $jscript .= '
+   } else {
+       if (document.getElementById("instcodes")) { 
+           document.getElementById("instcodes").style.display = "block";
+       }
+   }
 }
 
 function setOfficial(caller) {
@@ -559,11 +654,22 @@ function setElements() {
 }
 
 sub build_instcode_selectors {
-    my ($numtitles,$lasttitle,$cat_items,$codetitles,$cat_titles,$cat_order) = @_;
+    my ($numtitles,$lasttitle,$cat_items,$codetitles,$cat_titles,$cat_order,$official,$class,$id,$noedit) = @_;
     my $output;
     my @standardnames = &Apache::loncommon::get_standard_codeitems();
     if ($numtitles > 0) {
-        $output .= '<table><tr>';
+        my $style;
+        if ($official eq 'off') {
+            $style = ' style="display: none"';
+        }
+        if ($id eq '') {
+            $id = 'instcodes';
+        }
+        my $disabled;
+        if ($noedit) {
+            $disabled = ' disabled="disabled"';
+        }
+        $output .= '<div id="'.$id.'"'.$style.'><table><tr>';
         for (my $k=0; $k<$lasttitle-1; $k++) {
             my (@items,@unsorted);
             if (ref($cat_items->{$codetitles->[$k]}) eq 'ARRAY') {
@@ -579,8 +685,11 @@ sub build_instcode_selectors {
                 @longitems = @items;
             }
             $output .= '<td align="center">'.$codetitles->[$k].'<br />'."\n".
-                       '<select name="'.$standardnames[$k].'" onChange="courseSet(this)"'.
-                       '>'."\n".'<option value="0">'.&mt('All').'</option>'."\n";
+                       '<select name="'.$standardnames[$k].'" onchange="courseSet(this)"';
+            if ($class) {
+                $output .= ' class="'.$class.'"';
+            }
+            $output .= $disabled.'>'."\n".'<option value="0">'.&mt('All').'</option>'."\n";
             for (my $i=0; $i<@items; $i++) {
                 if ($longitems[$i] eq '') {
                     $longitems[$i] = $items[$i];
@@ -590,20 +699,51 @@ sub build_instcode_selectors {
             $output .= '</select></td>';
         }
         $output .= '<td align="center">'.$codetitles->[$lasttitle-1].'<br />'."\n".
-                   '<select name="'.$standardnames[$lasttitle-1].'">'."\n".
+                   '<select name="'.$standardnames[$lasttitle-1].'"';
+        if ($class) {
+            $output .= ' class="'.$class.'"';
+        }
+        $output .= $disabled.'>'."\n".
                    '<option value="0">'.&mt('All')."\n".
                    '</option>'."\n".'</select>'."\n".
                    '</td></tr></table>'."\n";
         if ($numtitles > 4) {
             $output .= '<br /><br />'.$codetitles->[$numtitles-1].'<br />'."\n".
                        '<input type="text" name="'.$standardnames[$numtitles-1].
-                       '" /><br />'."\n";
+                       '"'.$disabled.' /><br />'."\n";
         }
-        $output .= '<br />';
+        $output .= '</div>';
     }
     return $output;
 }
 
+sub instcode_selectors {
+    my ($codedom,$formname,$officialjs,$codetitles) = @_;
+    my ($output,%cat_titles,%cat_order,%cat_items);
+    my ($jscript,$totcodes,$numtitles,$lasttitle) =
+        &instcode_selectors_data($codedom,$formname,\%cat_items,$codetitles,
+                                 \%cat_titles,\%cat_order,$officialjs);
+    if ($numtitles > 0) {
+        my $official = ' checked="checked" ';
+        my $unofficial = '';
+        if (($formname eq 'filterpicker') && ($env{'form.official'} eq 'off')) {
+            $unofficial = $official;
+            $official = '';
+        }
+        $output .= '<span class="LC_nobreak">'.&mt('Official course:').'&nbsp;<label>'.
+                   '<input type="radio" name="official" value="on"'.$official.
+                   ' onclick="toggleOfficial();" />'.&mt('Yes').'</label>'.
+                   ('&nbsp;'x3).'<label>'.
+                   '<input type="radio" name="official" value="off"'.$unofficial.
+                   ' onclick="toggleOfficial();" />'.&mt('No').'</label></span><br />'.
+                   &build_instcode_selectors($numtitles,$lasttitle,\%cat_items,$codetitles,
+                                             \%cat_titles,\%cat_order,$env{'form.official'})."\n".
+                   '<input type="hidden" name="numtitles" value="'.$numtitles.'" />'."\n".
+                   '<input type="hidden" name="state" value="listing" />'."\n";
+    }
+    return ($output,$jscript,$numtitles);
+}
+
 sub recurse_options {
     my ($currkey,$currlist,$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept) = @_;
     if (ref($currlist) eq 'HASH') {
@@ -640,7 +780,8 @@ sub build_javascript {
     my ($by_year,$by_sem,$by_dept,$cat_order,$codetitles) = @_;
     my @unsorted = keys(%{$by_year});
     my @sorted_yrs;
-    &sort_cats('0',$cat_order,$codetitles,\@unsorted,\@sorted_yrs);    my $output = 'var idcse_by_yr_year = new Array("'.join('","',@sorted_yrs).'");'."\n".
+    &sort_cats('0',$cat_order,$codetitles,\@unsorted,\@sorted_yrs);
+    my $output = 'var idcse_by_yr_year = new Array("'.join('","',@sorted_yrs).'");'."\n".
                  'var idcse_by_yr_dept = new Array('.scalar(@sorted_yrs).');'."\n".
                  'var idcse_by_yr_num = new Array('.scalar(@sorted_yrs).');'."\n";
     for (my $i=0; $i<@sorted_yrs; $i++) {
@@ -688,14 +829,27 @@ sub build_javascript {
 
 sub javascript_select_filler {
     my ($formname,$scripttext,$codetitles,$longtitles_str,$allidlist,$officialjs) = @_;
+    my $all = &mt('All');
+    my $nocrs = &mt('No courses');
     my $output = <<END;
 
-function courseSet(caller) {
+function courseSet(caller, onload) {
     var longtitles = new Array ("$longtitles_str");
-    var valyr = document.$formname.Year.options[document.$formname.Year.selectedIndex].value
-    var valsem  = document.$formname.Semester.options[document.$formname.Semester.selectedIndex].value
-    var valdept = document.$formname.Department.options[document.$formname.Department.selectedIndex].value
-    var valclass = document.$formname.Number.options[document.$formname.Number.selectedIndex].value
+    var valyr = '';
+    var valsem = '';
+    var valdept = '';
+    var valclass = '';
+    if (onload) {
+        valyr = "$env{'form.Year'}";
+        valsem = "$env{'form.Semester'}";
+        valdept = "$env{'form.Department'}";
+        valclass = "$env{'form.Number'}";
+    } else {
+        valyr = document.$formname.Year.options[document.$formname.Year.selectedIndex].value;
+        valsem  = document.$formname.Semester.options[document.$formname.Semester.selectedIndex].value;
+        valdept = document.$formname.Department.options[document.$formname.Department.selectedIndex].value;
+        valclass = document.$formname.Number.options[document.$formname.Number.selectedIndex].value;
+    }
     var idyears = new Array("$allidlist");
     var idyr = -1;
     var idsem = -1;
@@ -704,20 +858,47 @@ function courseSet(caller) {
 
     $scripttext
 
-    selYear = document.$formname.Year.selectedIndex-1;
-    selSemester = document.$formname.Semester.selectedIndex-1;
-    selDepartment = document.$formname.Department.selectedIndex-1;
+    if (onload) {
+        if (document.$formname.Year.options.length > 0) {
+            for (var i = 0; i< document.$formname.Year.options.length; i++) {
+                if (document.$formname.Year.options[i].value == "$env{'form.Year'}") {
+                    document.$formname.Year.selectedIndex = i;
+                    break;
+                }
+            }
+        }
+        if (document.$formname.Department.options.length > 0) {
+            for (var i = 0; i< document.$formname.Department.options.length; i++) {
+                if (document.$formname.Department.options[i].value == "$env{'form.Department'}") {
+                    document.$formname.Department.selectedIndex = i;
+                    break;
+                }
+            }
+        }
+        if (document.$formname.Semester.options.length > 0) {
+            for (var i = 0; i< document.$formname.Semester.options.length; i++) {
+                if (document.$formname.Semester.options[i].value == "$env{'form.Semester'}") {
+                    document.$formname.Semester.selectedIndex = i;
+                    break;
+                }
+            }
+        }
+    }
+
+    var selYear = document.$formname.Year.selectedIndex-1;
+    var selSemester = document.$formname.Semester.selectedIndex-1;
+    var selDepartment = document.$formname.Department.selectedIndex-1;
     if (selYear == -1) {
         if (selSemester == -1) {
             if (selDepartment > -1) {
-                document.$formname.Number.options[0] =  new Option('All','0',false,false);
+                document.$formname.Number.options[0] =  new Option('$all','0',false,false);
                 for (var k=0; k<idcse_by_dep[selDepartment].length; k++) {
                     document.$formname.Number.options[k+1] = new Option(idcse_by_dep[selDepartment][k],idcse_by_dep[selDepartment][k],false,false);
 
                 }
             }
             else {
-                document.$formname.Number.options[0] = new Option("All","0",true,true);
+                document.$formname.Number.options[0] = new Option('$all','0',true,true);
             }
         }
         else {
@@ -735,17 +916,17 @@ function courseSet(caller) {
                     }
                 }
                 if (iddept != -1) {
-                    document.$formname.Number.options[0] =  new Option('All','0',false,false);
+                    document.$formname.Number.options[0] =  new Option('$all','0',false,false);
                     for (var k=0; k<idcse_by_sem_num[idsem][iddept].length; k++) {
                         document.$formname.Number.options[k+1] = new Option(idcse_by_sem_num[idsem][iddept][k],idcse_by_sem_num[idsem][iddept][k],false,false);
                     }
                 }
                 else {
-                    document.$formname.Number.options[0] =  new Option('No courses','0',true,true);
+                    document.$formname.Number.options[0] =  new Option('$nocrs','0',true,true);
                 }
             }
             else {
-                document.$formname.Number.options[0] = new Option("All","0",true,true);
+                document.$formname.Number.options[0] = new Option('$all','0',true,true);
             }
         }
     }
@@ -765,17 +946,17 @@ function courseSet(caller) {
                     }
                 }
                 if (iddept != -1) {
-                    document.$formname.Number.options[0] =  new Option('All','0',false,false);
+                    document.$formname.Number.options[0] =  new Option('$all','0',false,false);
                     for (var k=0; k<idcse_by_yr_num[idyr][iddept].length; k++) {
                         document.$formname.Number.options[k+1] = new Option(idcse_by_yr_num[idyr][iddept][k],idcse_by_yr_num[idyr][iddept][k],false,false);
                     }
                 }
                 else {
-                    document.$formname.Number.options[0] =  new Option('No courses','0',true,true);
+                    document.$formname.Number.options[0] =  new Option('$nocrs','0',true,true);
                 }
             }
             else {
-                document.$formname.Number.options[0] = new Option("All","0",true,true);
+                document.$formname.Number.options[0] = new Option('$all','0',true,true);
             }
         }
         else {
@@ -800,7 +981,7 @@ function courseSet(caller) {
                     }
                 }
                 if (iddept != -1) {
-                    document.$formname.Number.options[0] =  new Option('All','0',false,false);
+                    document.$formname.Number.options[0] = new Option('$all','0',false,false);
                     for (var i=0; i<idcourses[idyr][idsem][iddept].length; i++) {
                         var display = idcourses[idyr][idsem][iddept][i];
                         if (longtitles[3] == 1) {
@@ -812,16 +993,27 @@ function courseSet(caller) {
                     }
                 }
                 else {
-                    document.$formname.Number.options[0] =  new Option('No courses','0',true,true);
+                    document.$formname.Number.options[0] =  new Option('$nocrs','0',true,true);
                 }
             }
             else {
-                document.$formname.Number.options[0] =  new Option('All','0',true,true);
+                document.$formname.Number.options[0] =  new Option('$all','0',true,true);
             }
         }
         document.$formname.Number.selectedIndex = 0
     }
-    $officialjs
+    if (onload) {
+        if (document.$formname.Number.options.length > 0) {
+            for (var i = 0; i< document.$formname.Number.options.length; i++) {
+                if (document.$formname.Number.options[i].value == "$env{'form.Number'}") {
+                    document.$formname.Number.selectedIndex = i;
+                    break;
+                }
+            }
+        }
+    } else {
+        $officialjs
+    }
 }
 END
     return $output;
@@ -867,7 +1059,7 @@ sub instcode_search_str {
 }
 
 sub instcode_from_selectors {
-    my ($cdom) = @_;
+    my ($cdom,$noregexps) = @_;
     my $instcode;
     my $caller = 'global';
     my (%coursecodes,%codes,@codetitles,%cat_titles,%cat_order,
@@ -888,7 +1080,11 @@ sub instcode_from_selectors {
             my $category = $local_to_standard{$loctitle};
             if ($category ne '') {
                 if ($env{'form.'.$category} eq '-1' ) {
-                    $instcode .= $codedefaults{$category};
+                    if ($noregexps) {
+                        $instcode .= ' ';
+                    } else {
+                        $instcode .= $codedefaults{$category};
+                    }
                 } else {
                     $instcode .= $env{'form.'.$category};
                 }