version 1.35, 2002/04/23 21:42:01
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version 1.38, 2002/06/24 19:06:05
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Line 65 Current things done:
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Line 65 Current things done:
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This is part of the LearningOnline Network with CAPA project |
This is part of the LearningOnline Network with CAPA project |
described at http://www.lon-capa.org. |
described at http://www.lon-capa.org. |
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=head2 Subroutines |
=head2 General Subroutines |
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=over 4 |
=over 4 |
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Line 79 use Apache::lonnet();
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Line 79 use Apache::lonnet();
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use POSIX qw(strftime); |
use POSIX qw(strftime); |
use Apache::Constants qw(:common); |
use Apache::Constants qw(:common); |
use Apache::lonmsg(); |
use Apache::lonmsg(); |
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my $readit; |
my $readit; |
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# ----------------------------------------------- Filetypes/Languages/Copyright |
# ----------------------------------------------- Filetypes/Languages/Copyright |
Line 99 my $thethreshold=0.1/$thefuzzy;
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Line 98 my $thethreshold=0.1/$thefuzzy;
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my $theavecount; |
my $theavecount; |
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# ----------------------------------------------------------------------- BEGIN |
# ----------------------------------------------------------------------- BEGIN |
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=pod |
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=item BEGIN() |
=item BEGIN() |
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Initialize values from language.tab, copyright.tab, filetypes.tab, |
Initialize values from language.tab, copyright.tab, filetypes.tab, |
Line 188 BEGIN {
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Line 190 BEGIN {
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} |
} |
# ============================================================= END BEGIN BLOCK |
# ============================================================= END BEGIN BLOCK |
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=item linked_select_forms(...) |
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linked_select_forms returns a string containing a <script></script> block |
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and html for two <select> menus. The select menus will be linked in that |
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changing the value of the first menu will result in new values being placed |
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in the second menu. The values in the select menu will appear in alphabetical |
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order. |
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linked_select_forms takes the following ordered inputs: |
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=over 4 |
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=item $formname, the name of the <form> tag |
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=item $middletext, the text which appears between the <select> tags |
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=item $firstdefault, the default value for the first menu |
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=item $firstselectname, the name of the first <select> tag |
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=item $secondselectname, the name of the second <select> tag |
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=item $hashref, a reference to a hash containing the data for the menus. |
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Below is an example of such a hash. Only the 'text', 'default', and |
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'select2' keys must appear as stated. keys(%menu) are the possible |
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values for the first select menu. The text that coincides with the |
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first menu values is given in $menu{$choice1}->{'text'}. The values |
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and text for the second menu are given in the hash pointed to by |
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$menu{$choice1}->{'select2'}. |
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my %menu = ( A1 => { text =>"Choice A1" , |
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default => "B3", |
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select2 => { |
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B1 => "Choice B1", |
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B2 => "Choice B2", |
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B3 => "Choice B3", |
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B4 => "Choice B4" |
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} |
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}, |
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A2 => { text =>"Choice A2" , |
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default => "C2", |
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select2 => { |
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C1 => "Choice C1", |
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C2 => "Choice C2", |
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C3 => "Choice C3" |
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} |
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}, |
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A3 => { text =>"Choice A3" , |
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default => "D6", |
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select2 => { |
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D1 => "Choice D1", |
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D2 => "Choice D2", |
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D3 => "Choice D3", |
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D4 => "Choice D4", |
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D5 => "Choice D5", |
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D6 => "Choice D6", |
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D7 => "Choice D7" |
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} |
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} |
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); |
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=back |
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=cut |
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# ------------------------------------------------ |
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sub linked_select_forms { |
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my ($formname, |
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$middletext, |
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$firstdefault, |
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$firstselectname, |
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$secondselectname, |
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$hashref |
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) = @_; |
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my $second = "document.$formname.$secondselectname"; |
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my $first = "document.$formname.$firstselectname"; |
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# output the javascript to do the changing |
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my $result = ''; |
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$result.="<script>\n"; |
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$result.="var select2data = new Object();\n"; |
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$" = '","'; |
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my $debug = ''; |
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foreach my $s1 (sort(keys(%$hashref))) { |
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$result.="select2data.d_$s1 = new Object();\n"; |
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$result.="select2data.d_$s1.def = new String('". |
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$hashref->{$s1}->{'default'}."');\n"; |
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$result.="select2data.d_$s1.values = new Array("; |
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my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } )); |
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$result.="\"@s2values\");\n"; |
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$result.="select2data.d_$s1.texts = new Array("; |
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my @s2texts; |
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foreach my $value (@s2values) { |
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push @s2texts, $hashref->{$s1}->{'select2'}->{$value}; |
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} |
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$result.="\"@s2texts\");\n"; |
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} |
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$"=' '; |
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$result.= <<"END"; |
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function select1_changed() { |
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// Determine new choice |
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var newvalue = "d_" + $first.value; |
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// update select2 |
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var values = select2data[newvalue].values; |
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var texts = select2data[newvalue].texts; |
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var select2def = select2data[newvalue].def; |
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var i; |
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// out with the old |
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for (i = 0; i < $second.options.length; i++) { |
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$second.options[i] = null; |
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} |
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// in with the nuclear |
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for (i=0;i<values.length; i++) { |
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$second.options[i] = new Option(values[i]); |
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$second.options[i].text = texts[i]; |
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if (values[i] == select2def) { |
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$second.options[i].selected = true; |
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} |
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} |
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} |
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</script> |
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END |
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# output the initial values for the selection lists |
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$result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n"; |
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foreach my $value (sort(keys(%$hashref))) { |
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$result.=" <option value=\"$value\" "; |
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$result.=" selected=\"true\" " if ($value eq $firstdefault); |
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$result.=">$hashref->{$value}->{'text'}</option>\n"; |
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} |
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$result .= "</select>\n"; |
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my %select2 = %{$hashref->{$firstdefault}->{'select2'}}; |
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$result .= $middletext; |
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$result .= "<select size=\"1\" name=\"$secondselectname\">\n"; |
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my $seconddefault = $hashref->{$firstdefault}->{'default'}; |
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foreach my $value (sort(keys(%select2))) { |
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$result.=" <option value=\"$value\" "; |
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$result.=" selected=\"true\" " if ($value eq $seconddefault); |
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$result.=">$select2{$value}</option>\n"; |
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} |
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$result .= "</select>\n"; |
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# return $debug; |
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return $result; |
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} # end of sub linked_select_forms { |
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############################################################### |
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=item csv_translate($text) |
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Translate $text to allow it to be output as a 'comma seperated values' |
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format. |
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=cut |
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sub csv_translate { |
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my $text = shift; |
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$text =~ s/\"/\"\"/g; |
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$text =~ s/\n//g; |
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return $text; |
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} |
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############################################################### |
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############################################################### |
############################################################### |
## Home server <option> list generating code ## |
## Home server <option> list generating code ## |
############################################################### |
############################################################### |
Line 620 sub get_previous_attempt {
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Line 787 sub get_previous_attempt {
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$prevattempts='<table border=2></tr><th>History</th>'; |
$prevattempts='<table border=2></tr><th>History</th>'; |
foreach (sort(keys %lasthash)) { |
foreach (sort(keys %lasthash)) { |
my ($ign,@parts) = split(/\./,$_); |
my ($ign,@parts) = split(/\./,$_); |
if (@parts) { |
if ($#parts > 0) { |
my $data=$parts[-1]; |
my $data=$parts[-1]; |
pop(@parts); |
pop(@parts); |
$prevattempts.='<th>Part '.join('.',@parts).'<br />'.$data.'</th>'; |
$prevattempts.='<th>Part '.join('.',@parts).'<br />'.$data.'</th>'; |
} else { |
} else { |
$prevattempts.='<th>'.$ign.'</th>'; |
if ($#parts == 0) { |
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$prevattempts.='<th>'.$parts[0].'</th>'; |
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} else { |
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$prevattempts.='<th>'.$ign.'</th>'; |
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} |
} |
} |
} |
} |
for ($version=1;$version<=$returnhash{'version'};$version++) { |
for ($version=1;$version<=$returnhash{'version'};$version++) { |
Line 700 sub get_student_answers {
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Line 871 sub get_student_answers {
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foreach my $element (@elements) { |
foreach my $element (@elements) { |
$ENV{'form.grade_'.$element}=$old{$element}; |
$ENV{'form.grade_'.$element}=$old{$element}; |
} |
} |
$userview=~s/\<body[^\>]*\>//gi; |
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$userview=~s/\<\/body\>//gi; |
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$userview=~s/\<html\>//gi; |
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$userview=~s/\<\/html\>//gi; |
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$userview=~s/\<head\>//gi; |
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$userview=~s/\<\/head\>//gi; |
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$userview=~s/action\s*\=/would_be_action\=/gi; |
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return $userview; |
return $userview; |
} |
} |
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############################################### |
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############################################### |
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sub get_unprocessed_cgi { |
sub get_unprocessed_cgi { |
my ($query,$possible_names)= @_; |
my ($query,$possible_names)= @_; |
# $Apache::lonxml::debug=1; |
# $Apache::lonxml::debug=1; |
Line 760 sub add_to_env {
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Line 928 sub add_to_env {
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} |
} |
} |
} |
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#---CSV Upload/Handling functions |
=pod |
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=back |
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=head2 CSV Upload/Handling functions |
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=over 4 |
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=item upfile_store($r) |
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# ========================================================= Store uploaded file |
Store uploaded file, $r should be the HTTP Request object, |
# needs $ENV{'form.upfile'} |
needs $ENV{'form.upfile'} |
# return $datatoken to be put into hidden field |
returns $datatoken to be put into hidden field |
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=cut |
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sub upfile_store { |
sub upfile_store { |
my $r=shift; |
my $r=shift; |
Line 783 sub upfile_store {
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Line 961 sub upfile_store {
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return $datatoken; |
return $datatoken; |
} |
} |
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# ================================================= Load uploaded file from tmp |
=item load_tmp_file($r) |
# needs $ENV{'form.datatoken'} |
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# sets $ENV{'form.upfile'} to the contents of the file |
Load uploaded file from tmp, $r should be the HTTP Request object, |
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needs $ENV{'form.datatoken'}, |
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sets $ENV{'form.upfile'} to the contents of the file |
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=cut |
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sub load_tmp_file { |
sub load_tmp_file { |
my $r=shift; |
my $r=shift; |
Line 800 sub load_tmp_file {
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Line 982 sub load_tmp_file {
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$ENV{'form.upfile'}=join('',@studentdata); |
$ENV{'form.upfile'}=join('',@studentdata); |
} |
} |
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# ========================================= Separate uploaded file into records |
=item upfile_record_sep() |
# returns array of records |
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# needs $ENV{'form.upfile'} |
Separate uploaded file into records |
# needs $ENV{'form.upfiletype'} |
returns array of records, |
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needs $ENV{'form.upfile'} and $ENV{'form.upfiletype'} |
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=cut |
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sub upfile_record_sep { |
sub upfile_record_sep { |
if ($ENV{'form.upfiletype'} eq 'xml') { |
if ($ENV{'form.upfiletype'} eq 'xml') { |
Line 812 sub upfile_record_sep {
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Line 997 sub upfile_record_sep {
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} |
} |
} |
} |
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# =============================================== Separate a record into fields |
=item record_sep($record) |
# needs $ENV{'form.upfiletype'} |
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# takes $record as arg |
Separate a record into fields $record should be an item from the upfile_record_sep(), needs $ENV{'form.upfiletype'} |
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=cut |
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sub record_sep { |
sub record_sep { |
my $record=shift; |
my $record=shift; |
my %components=(); |
my %components=(); |
Line 859 sub record_sep {
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Line 1047 sub record_sep {
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return %components; |
return %components; |
} |
} |
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# =============================== HTML code to select file and specify its type |
=item upfile_select_html() |
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return HTML code to select file and specify its type |
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=cut |
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sub upfile_select_html { |
sub upfile_select_html { |
return (<<'ENDUPFORM'); |
return (<<'ENDUPFORM'); |
<input type="file" name="upfile" size="50"> |
<input type="file" name="upfile" size="50"> |
Line 872 sub upfile_select_html {
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Line 1065 sub upfile_select_html {
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ENDUPFORM |
ENDUPFORM |
} |
} |
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# ===================Prints a table of sample values from each column uploaded |
=item csv_print_samples($r,$records) |
# $r is an Apache Request ref |
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# $records is an arrayref from &Apache::loncommon::upfile_record_sep |
Prints a table of sample values from each column uploaded $r is an |
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Apache Request ref, $records is an arrayref from |
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&Apache::loncommon::upfile_record_sep |
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=cut |
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sub csv_print_samples { |
sub csv_print_samples { |
my ($r,$records) = @_; |
my ($r,$records) = @_; |
my (%sone,%stwo,%sthree); |
my (%sone,%stwo,%sthree); |
Line 897 sub csv_print_samples {
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Line 1095 sub csv_print_samples {
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$r->print('</tr></table><br />'."\n"); |
$r->print('</tr></table><br />'."\n"); |
} |
} |
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# ======Prints a table to create associations between values and table columns |
=item csv_print_select_table($r,$records,$d) |
# $r is an Apache Request ref |
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# $records is an arrayref from &Apache::loncommon::upfile_record_sep |
Prints a table to create associations between values and table columns. |
# $d is an array of 2 element arrays (internal name, displayed name) |
$r is an Apache Request ref, |
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$records is an arrayref from &Apache::loncommon::upfile_record_sep, |
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$d is an array of 2 element arrays (internal name, displayed name) |
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=cut |
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sub csv_print_select_table { |
sub csv_print_select_table { |
my ($r,$records,$d) = @_; |
my ($r,$records,$d) = @_; |
my $i=0;my %sone; |
my $i=0;my %sone; |
Line 924 sub csv_print_select_table {
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Line 1127 sub csv_print_select_table {
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return $i; |
return $i; |
} |
} |
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# ===================Prints a table of sample values from the upload and |
=item csv_samples_select_table($r,$records,$d) |
# can make associate samples to internal names |
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# $r is an Apache Request ref |
Prints a table of sample values from the upload and can make associate samples to internal names. |
# $records is an arrayref from &Apache::loncommon::upfile_record_sep |
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# $d is an array of 2 element arrays (internal name, displayed name) |
$r is an Apache Request ref, |
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$records is an arrayref from &Apache::loncommon::upfile_record_sep, |
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$d is an array of 2 element arrays (internal name, displayed name) |
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=cut |
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sub csv_samples_select_table { |
sub csv_samples_select_table { |
my ($r,$records,$d) = @_; |
my ($r,$records,$d) = @_; |
my %sone; my %stwo; my %sthree; |
my %sone; my %stwo; my %sthree; |
Line 959 sub csv_samples_select_table {
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Line 1167 sub csv_samples_select_table {
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1; |
1; |
__END__; |
__END__; |
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=pod |
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=back |
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=head2 Access .tab File Data |
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=over 4 |
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=item languageids() |
=item languageids() |
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returns list of all language ids |
returns list of all language ids |
Line 997 returns description for a specified file
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Line 1213 returns description for a specified file
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returns description for a specified file type with |
returns description for a specified file type with |
extra formatting |
extra formatting |
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=back |
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=head2 Alternate Problem Views |
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=over 4 |
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=item get_previous_attempt() |
=item get_previous_attempt() |
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return string with previous attempt on problem |
return string with previous attempt on problem |
Line 1009 show a snapshot of what student was look
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Line 1231 show a snapshot of what student was look
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show a snapshot of how student was answering problem |
show a snapshot of how student was answering problem |
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=item get_unprocessed_cgi() |
=back |
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=head2 HTTP Helper |
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=over 4 |
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=item get_unprocessed_cgi($query,$possible_names) |
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get unparsed CGI parameters |
Modify the %ENV hash to contain unprocessed CGI form parameters held in |
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$query. The parameters listed in $possible_names (an array reference), |
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will be set in $ENV{'form.name'} if they do not already exist. |
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Typically called with $ENV{'QUERY_STRING'} as the first parameter. |
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$possible_names is an ref to an array of form element names. As an example: |
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get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']); |
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will result in $ENV{'form.uname'} and $ENV{'form.udom'} being set. |
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=item cacheheader() |
=item cacheheader() |
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