--- loncom/interface/courseclassifier.pm	2008/03/21 18:00:18	1.5
+++ loncom/interface/courseclassifier.pm	2009/05/01 01:30:08	1.6
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utilities for classifying courses based on institutional code
 #
-# $Id: courseclassifier.pm,v 1.5 2008/03/21 18:00:18 raeburn Exp $
+# $Id: courseclassifier.pm,v 1.6 2009/05/01 01:30:08 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -30,6 +30,7 @@ package Apache::courseclassifier;
 use strict;
 use lib '/home/httpd/lib/perl/';
 use Apache::lonnet;
+use Apache::lonlocal;
 use LONCAPA;
 
 sub retrieve_instcodes {
@@ -431,6 +432,7 @@ sub javascript_definitions {
 sub courseset_js_start {
     my ($formname,$longtitles_str,$allidlist) = @_;
     my $output = <<END;
+
 function courseSet(caller) {
     var longtitles = new Array ("$longtitles_str");
     var idyr = document.$formname.Year.selectedIndex
@@ -442,5 +444,367 @@ END
     return $output;
 }
 
+sub instcode_selectors_data {
+    my ($codedom,$formname,$cat_items,$codetitles,$cat_titles,$cat_order) = @_;
+    my ($jscript,%coursecodes,%codes,%idlist,%idnums,%idlist_titles,
+        %by_year,%by_sem,%by_dept);
+    my ($numtitles,$lasttitle);
+    my $caller = 'global';
+    my $totcodes = &retrieve_instcodes(\%coursecodes,$codedom);
+    if ($totcodes > 0) {
+        if (&Apache::lonnet::auto_instcode_format($caller,$codedom,\%coursecodes,
+                           \%codes,$codetitles,$cat_titles,$cat_order) eq 'ok') {
+            &build_code_selections(\%codes,$codetitles,$cat_titles,$cat_order,
+                                   \%idlist,\%idnums,\%idlist_titles);
+            my ($scripttext,$longtitles) = 
+                &javascript_definitions($codetitles,\%idlist,\%idlist_titles,
+                                        \%idnums,$cat_titles);
+            my $longtitles_str = join('","',@{$longtitles});
+            my $allidlist = $idlist{$codetitles->[0]};
+            $numtitles = @{$codetitles};
+            $lasttitle = $numtitles;
+            if ($numtitles > 4) {
+                $lasttitle = 4;
+            }
+            if ($numtitles == 0) {
+                if (!defined($env{'form.state'})) {
+                    $env{'form.state'} = 'listing';
+                }
+            } else {
+                my @data = ('top');
+                for (my $k=0; $k<$lasttitle; $k++) {
+                    my $cat = $codetitles->[$k];
+                    my $level = 1;
+                    $level = &recurse_options($codetitles->[$k],$idlist{$codetitles->[$k]},$level,$cat,$cat_items,\@data,\%by_year,\%by_sem,\%by_dept);
+                }
+                $scripttext .= &build_javascript(\%by_year,\%by_sem,\%by_dept,$cat_order,$codetitles);
+                $jscript .= &javascript_select_filler($formname,$scripttext,$codetitles,$longtitles_str,$allidlist);
+                if ($env{'form.state'} eq 'listing') {
+                    $jscript .= '
+function setElements() {
+';
+                    for (my $i=0; $i<@{$codetitles}-1; $i++) {
+                        if ($env{'form.'.$codetitles->[$i]} != -1) {
+                            $jscript .= '
+    for (var j=0; j<document.'.$formname.'.'.$codetitles->[$i].'.length; j++) {
+        if (document.'.$formname.'.'.$codetitles->[$i].'[j].value == "'.$env{'form.'.$codetitles->[$i]}.'") {
+            document.'.$formname.'.'.$codetitles->[$i].'.selectedIndex = j;
+        }
+    }
+';
+                        }
+                    }
+                    $jscript .= '   courseSet()'."\n";
+                    if ($env{'form.'.$codetitles->[-1]} != -1) {
+                        $jscript .= '
+    for (var j=0; j<document.'.$formname.'.'.$codetitles->[-1].'.length; j++) {
+        if (document.'.$formname.'.'.$codetitles->[-1].'[j].value == "'.$env{'form.'.$codetitles->[-1]}.'") {
+            document.'.$formname.'.'.$codetitles->[-1].'.selectedIndex = j;
+        }
+    }
+';
+                    }
+                    $jscript .= '}';
+                }
+            }
+        }
+    }
+    return ($jscript,$totcodes,$numtitles,$lasttitle);
+}
+
+sub build_instcode_selectors {
+    my ($numtitles,$lasttitle,$cat_items,$codetitles,$cat_titles,$cat_order) = @_;
+    my $output;
+    if ($numtitles > 0) {
+        $output .= '<table><tr>';
+        for (my $k=0; $k<$lasttitle-1; $k++) {
+            my (@items,@unsorted);
+            if (ref($cat_items->{$codetitles->[$k]}) eq 'ARRAY') {
+                @unsorted = @{$cat_items->{$codetitles->[$k]}};
+            }
+            &sort_cats($k,$cat_order,$codetitles,\@unsorted,\@items);
+            my @longitems;
+            if (defined($cat_titles->{$codetitles->[$k]})) {
+                foreach my $item (@items) {
+                    push(@longitems,$cat_titles->{$codetitles->[$k]}{$item});
+                }
+            } else {
+                @longitems = @items;
+            }
+            $output .= '<td align="center">'.$codetitles->[$k].'<br />'."\n".
+                       '<select name="'.$codetitles->[$k].'" onChange="courseSet()"'.
+                       '>'."\n".'<option value="0" />All'."\n";
+            for (my $i=0; $i<@items; $i++) {
+                if ($longitems[$i] eq '') {
+                    $longitems[$i] = $items[$i];
+                }
+                $output .= ' <option value="'.$items[$i].'">'.$longitems[$i].'</option>';
+            }
+            $output .= '</select></td>';
+        }
+        $output .= '<td align="center">'.$codetitles->[$lasttitle-1].'<br />'."\n".
+                   '<select name="'.$codetitles->[$lasttitle-1].'">'."\n".
+                   '<option value="0">'.&mt('All')."\n".
+                   '</option>'."\n".'</select>'."\n".
+                   '</td></tr></table>'."\n";
+        if ($numtitles > 4) {
+            $output .= '<br /><br />'.$codetitles->[$numtitles-1].'<br />'."\n".
+                       '<input type="text" name="'.$codetitles->[$numtitles-1].
+                       '" /><br />'."\n";
+        }
+        $output .= '<br />';
+    }
+    return $output;
+}
+
+sub recurse_options {
+    my ($currkey,$currlist,$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept) = @_;
+    if (ref($currlist) eq 'HASH') {
+        $level ++;
+        foreach my $key (sort(keys(%{$currlist}))) {
+            $$data[$level-1]= $key;
+            &recurse_options($key,$currlist->{$key},$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept);
+        }
+    } else {
+        $level --;
+        my @contents = split(/","/,$currlist);
+        foreach my $item (@contents) {
+            if (!grep(/^\Q$item\E$/,@{$cat_options->{$cat}})) {
+                push(@{$cat_options->{$cat}},$item);
+            }
+            if ($level == 3) {
+                if (!grep/^\Q$item\E$/,@{$by_year->{$data->[1]}->{$currkey}}) {
+                    push(@{$by_year->{$data->[1]}->{$currkey}},$item);
+                }
+                if (!grep/^\Q$item\E$/,@{$by_sem->{$data->[2]}->{$currkey}}) {
+                    push(@{$by_sem->{$data->[2]}->{$currkey}},$item);
+                }
+                if (!grep/^\Q$item\E$/,@{$by_dept->{$currkey}}) {
+                    push(@{$by_dept->{$currkey}},$item);
+                }
+
+            }
+        }
+    }
+    return $level;
+}
+
+sub build_javascript {
+    my ($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".
+                 '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++) {
+        my $numkeys = keys(%{$by_year->{$sorted_yrs[$i]}});
+        $output .= " idcse_by_yr_num[$i] = new Array($numkeys);\n";
+        if (ref($by_year->{$sorted_yrs[$i]}) eq 'HASH') {
+            @unsorted = keys(%{$by_year->{$sorted_yrs[$i]}});
+            my @sorted_depts;
+            &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts);
+            $output .= qq| idcse_by_yr_dept[$i] = new Array ("|.join('","',@sorted_depts).'");'."\n";
+            for (my $j=0; $j<@sorted_depts; $j++) {
+                $output .= qq| idcse_by_yr_num[$i][$j] = new Array ("|;
+                $output .= join('","',sort(@{$by_year->{$sorted_yrs[$i]}->{$sorted_depts[$j]}})).'");'."\n";
+            }
+        }
+    }
+    @unsorted = keys(%{$by_sem});
+    my @sorted_sems;
+    &sort_cats('1',$cat_order,$codetitles,\@unsorted,\@sorted_sems);
+    $output .=  'idcse_by_sem_sems = new Array("'.join('","',@sorted_sems).'");'."\n".
+                'idcse_by_sem_dept = new Array('.scalar(@sorted_sems).');'."\n".
+                'idcse_by_sem_num = new Array('.scalar(@sorted_sems).');'."\n";
+    for (my $i=0; $i<@sorted_sems; $i++) {
+        my $numkeys = keys(%{$by_sem->{$sorted_sems[$i]}});
+        $output .= " idcse_by_sem_num[$i] = new Array($numkeys);\n";
+        if (ref($by_sem->{$sorted_sems[$i]}) eq 'HASH') {
+            @unsorted = keys(%{$by_sem->{$sorted_sems[$i]}});
+            my @sorted_depts;
+            &sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts);
+            $output .= qq| idcse_by_sem_dept[$i] = new Array("|.join('","',@sorted_depts).'");'."\n";
+            for (my $j=0; $j<@sorted_depts; $j++) {
+                $output .= qq| idcse_by_sem_num[$i][$j] = new Array ("|.join('","',sort(@{$by_sem->{$sorted_sems[$i]}->{$sorted_depts[$j]}})).'");'."\n";
+            }
+        }
+    }
+    @unsorted = keys(%{$by_dept});
+    my @sorted_deps;
+    &sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_deps);
+    $output .= 'idcse_by_dep = new Array('.scalar(@sorted_deps).');'."\n";
+    for (my $k=0; $k<@sorted_deps; $k++) {
+        $output .= qq| idcse_by_dep[$k] = new Array ("|.join('","',sort(@{$by_dept->{$sorted_deps[$k]}})).'");'."\n";
+    }
+    return $output;
+}
+
+sub javascript_select_filler {
+    my ($formname,$scripttext,$codetitles,$longtitles_str,$allidlist) = @_;
+    my $output = <<END;
+
+function courseSet() {
+    var longtitles = new Array ("$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 idyears = new Array("$allidlist");
+    var idyr = -1;
+    var idsem = -1;
+    var iddept = -1;
+    document.$formname.Number.length = 0;
+
+    $scripttext
+
+    selYear = document.$formname.Year.selectedIndex-1;
+    selSemester = document.$formname.Semester.selectedIndex-1;
+    selDepartment = document.$formname.Department.selectedIndex-1;
+    if (selYear == -1) {
+        if (selSemester == -1) {
+            if (selDepartment > -1) {
+                document.$formname.Number.options[0] =  new Option('All','0',false,false);
+                for (var k=0; k<idcse_by_dep[selDepartment].length; k++) {
+                    document.$formname.Number.options[k+1] = new Option(idcse_by_dep[selDepartment][k],idcse_by_dep[selDepartment][k],false,false);
+
+                }
+            }
+            else {
+                document.$formname.Number.options[0] = new Option("All","0",true,true);
+            }
+        }
+        else {
+            if (selDepartment > -1) {
+                for (var i=0; i<idcse_by_sem_sems.length; i++) {
+                    if (idcse_by_sem_sems[i] == valsem) {
+                        idsem = i;
+                    }
+                }
+                if (idsem != -1) {
+                    for (var i=0; i<idcse_by_sem_dept[idsem].length; i++) {
+                        if (idcse_by_sem_dept[idsem][i] == valdept) {
+                            iddept = i;
+                        }
+                    }
+                }
+                if (iddept != -1) {
+                    document.$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);
+                }
+            }
+            else {
+                document.$formname.Number.options[0] = new Option("All","0",true,true);
+            }
+        }
+    }
+    else {
+        if (selSemester == -1) {
+            if (selDepartment > -1) {
+                for (var i=0; i<idcse_by_yr_year.length; i++) {
+                    if (idcse_by_yr_year[i] == valyr) {
+                        idyr = i;
+                    }
+                }
+                if (idyr != -1) {
+                    for (var i=0; i<idcse_by_yr_dept[idyr].length; i++) {
+                        if (idcse_by_yr_dept[idyr][i] == valdept) {
+                            iddept = i;
+                        }
+                    }
+                }
+                if (iddept != -1) {
+                    document.$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);
+                }
+            }
+            else {
+                document.$formname.Number.options[0] = new Option("All","0",true,true);
+            }
+        }
+        else {
+            if (selDepartment > -1) {
+                for (var k=0; k<idyears.length; k++) {
+                    if (idyears[k] == valyr) {
+                        idyr = k;
+                    }
+                }
+                if (idyr != -1) {
+                    for (var k=0; k<idsems[idyr].length; k++) {
+                        if (idsems[idyr][k] == valsem) {
+                            idsem = k;
+                        }
+                    }
+                }
+                if (idsem != -1) {
+                    for (var k=0; k<idcodes[idyr][idsem].length; k++) {
+                        if (idcodes[idyr][idsem][k] == valdept) {
+                            iddept = k;
+                        }
+                    }
+                }
+                if (iddept != -1) {
+                    document.$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) {
+                            if (idcourseslongs[idyr][idsem][iddept][i] != "") {
+                                display = idcourseslongs[idyr][idsem][iddept][i]
+                            }
+                        }
+                        document.$formname.Number.options[i+1] = new Option(display,idcourses[idyr][idsem][iddept][i],false,false)
+                    }
+                }
+                else {
+                    document.$formname.Number.options[0] =  new Option('No courses','0',true,true);
+                }
+            }
+            else {
+                document.$formname.Number.options[0] =  new Option('All','0',true,true);
+            }
+        }
+        document.$formname.Number.selectedIndex = 0
+    }
+}
+END
+    return $output;
+}
+
+sub instcode_search_str {
+    my ($domain,$numtitles) = @_;
+    my $instcode;
+    if (defined($numtitles) && $numtitles == 0) {
+        $instcode = '.+';
+    } else {
+        my (%codedefaults,@code_order);
+        my $defaults_result =
+            &Apache::lonnet::auto_instcode_defaults($domain,\%codedefaults,
+                                                    \@code_order);
+        if ($defaults_result eq 'ok') {
+            $instcode ='^';
+            foreach my $item (@code_order) {
+                if ($env{'form.'.$item} eq '0' ) {
+                    $instcode .= $codedefaults{$item};
+                } else {
+                    $instcode .= $env{'form.'.$item};
+                }
+            }
+            $instcode .= '$';
+        } else {
+            $instcode = '.+';
+        }
+    }
+    return $instcode;
+}
+
 1;