\n");
+
+ }
+ $r->print(&Apache::loncommon::end_data_table_row()."\n");
+ return ($value,$weight);
+}
+
+#
+# Bottom line with grades
+#
+
+sub bottom_line_category {
+ my ($r,$cangrade)=@_;
+}
+
+#
+# Make one new category
+#
+
+sub make_new_category {
+ my ($r,$cangrade,$ordernum,%categories)=@_;
+ unless ($cangrade) { return %categories; }
+# Generate new ID
+ my $id=time.'_'.$$.'_'.rand(10000);
+# Add new ID to list of all IDs ever created in this course
+ $categories{'all'}.=','.$id;
+ $categories{'all'}=~s/^\,//;
+# Add new ID to ordered list of displayed and evaluated categories
+ $categories{'order'}.=','.$id;
+ $categories{'order'}=~s/^\,//;
+# Move it into desired space
+ if (defined($ordernum)) {
+ %categories=&move_category($id,$cangrade,$ordernum,%categories);
+ }
+ return %categories;
}
+#
+# Move a category to a desired position n the display order
+#
+
+sub move_category {
+ my ($id,$cangrade,$ordernum,%categories)=@_;
+ unless ($cangrade) { return %categories; }
+ my @order=split(/\,/,$categories{'order'});
+# Where is the index currently?
+ my $currentpos=¤t_pos_category($id,%categories);
+ if (defined($currentpos)) {
+ if ($currentpos<$ordernum) {
+# This is moving to a higher index
+# ....X1234....
+# ....1234X....
+ for (my $i=$currentpos;$i<$ordernum;$i++) {
+ $order[$i]=$order[$i+1];
+ }
+ $order[$ordernum]=$id;
+ }
+ if ($currentpos>$ordernum) {
+# This is moving to a lower index
+# ....1234X....
+# ....X1234....
+ for (my $i=$currentpos;$i>$ordernum;$i--) {
+ $order[$i]=$order[$i-1];
+ }
+ $order[$ordernum]=$id;
+ }
+ }
+ $categories{'order'}=join(',',@order);
+ return %categories;
+}
+
+#
+# Find current postion of a category in the order
+#
+
+sub current_pos_category {
+ my ($id,%categories)=@_;
+ my @order=split(/\,/,$categories{'order'});
+ for (my $i=0;$i<=$#order;$i++) {
+ if ($order[$i] eq $id) { return $i; }
+ }
+# not found
+ return undef;
+}
+
+#
+# Set name of a category
+#
+sub set_category_name {
+ my ($canedit,$id,$name,%categories)=@_;
+ unless ($canedit) { return %categories; }
+ $categories{$id.'_name'}=$name;
+ return %categories;
+}
+
+#
+# === end category-related
+#
+#
# Pass this two refs to arrays for the start and end color, and a number
# from 0 to 1 for how much of the latter you want to mix in. It will
# return a string ready to show ("#FFC309");