--- loncom/interface/loncommon.pm 2003/09/17 16:50:58 1.119 +++ loncom/interface/loncommon.pm 2003/11/04 21:21:35 1.143 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.119 2003/09/17 16:50:58 www Exp $ +# $Id: loncommon.pm,v 1.143 2003/11/04 21:21:35 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -69,6 +69,7 @@ use Apache::Constants qw(:common :http : use Apache::lonmsg(); use Apache::lonmenu(); use Apache::lonlocal; +use HTML::Entities; my $readit; @@ -80,6 +81,7 @@ my $readit; # ----------------------------------------------- Filetypes/Languages/Copyright my %language; +my %supported_language; my %cprtag; my %fe; my %fd; my %category_extensions; @@ -146,8 +148,11 @@ BEGIN { while (<$fh>) { next if /^\#/; chomp; - my ($key,$two,$country,$three,$enc,$val)=(split(/\t/,$_)); + my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$_)); $language{$key}=$val.' - '.$enc; + if ($sup) { + $supported_language{$key}=$sup; + } } } } @@ -270,7 +275,7 @@ of the element the selection from the se sub browser_and_searcher_javascript { return < var stdeditbrowser; function opencrsbrowser(formname,uname,udom) { @@ -369,6 +381,12 @@ sub coursebrowser_javascript { url += 'filter='+filter+'&'; } } + var domainfilter='$domainfilter'; + if (domainfilter != null) { + if (domainfilter != '') { + url += 'domainfilter='+domainfilter+'&'; + } + } url += 'form=' + formname + '&cnumelement='+uname+ '&cdomelement='+udom; var title = 'Course_Browser'; @@ -503,6 +521,7 @@ function select1_changed() { // in with the nuclear for (i=0;i\n"; - foreach (sort keys %hash) { + my @keys; + if (exists($hash{'select_form_order'})) { + @keys=@{$hash{'select_form_order'}}; + } else { + @keys=sort(keys(%hash)); + } + foreach (@keys) { $selectform.="\n"; @@ -1505,7 +1530,10 @@ returns description of a specified langu =cut sub languagedescription { - return $language{shift(@_)}; + my $code=shift; + return ($supported_language{$code}?'* ':''). + $language{$code}. + ($supported_language{$code}?' ('.&mt('interface available').')':''); } =pod @@ -1661,7 +1689,6 @@ sub preferred_languages { push (@genlanguages,(split(/(\-|\_)/,$_))[0]); } } - &Apache::lonnet::logthis('Lang: '.join(',',@genlanguages)); return @genlanguages; } @@ -1745,7 +1772,7 @@ sub get_previous_attempt { } else { $value=$returnhash{$version.':'.$_}; } - $prevattempts.=''.$value.' '; + $prevattempts.=''.&Apache::lonnet::unescape($value).' '; } } } @@ -1757,6 +1784,7 @@ sub get_previous_attempt { } else { $value=$lasthash{$_}; } + $value=&Apache::lonnet::unescape($value); if ($_ =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)} $prevattempts.=''.$value.' '; } @@ -2322,6 +2350,14 @@ sub no_cache { #$r->header_out("Expires" => $date); } +sub content_type { + my ($r,$type,$charset) = @_; + unless ($charset) { + $charset=&Apache::lonlocal::current_encoding; + } + $r->content_type($type.($charset?'; charset='.$charset:'')); +} + =pod =item * add_to_env($name,$value) @@ -2636,15 +2672,392 @@ $uname, optional the username of the use sub check_if_partid_hidden { my ($id,$symb,$udom,$uname) = @_; - my $hiddenparts=&Apache::lonnet::EXT('resource.0.parameter_hiddenparts', + my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts', $symb,$udom,$uname); + my $truth=1; + #if the string starts with !, then the list is the list to show not hide + if ($hiddenparts=~s/^\s*!//) { $truth=undef; } my @hiddenlist=split(/,/,$hiddenparts); foreach my $checkid (@hiddenlist) { - if ($checkid =~ /^\s*\Q$id\E\s*$/) { return 1; } + if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; } } - return undef; + return !$truth; } + +############################################################ +############################################################ + +=pod + +=head1 cgi-bin script and graphing routines + +=item get_cgi_id + +Inputs: none + +Returns an id which can be used to pass environment variables +to various cgi-bin scripts. These environment variables will +be removed from the users environment after a given time by +the routine &Apache::lonnet::transfer_profile_to_env. + +=cut + +############################################################ +############################################################ + +sub get_cgi_id { + return (time.'_'.int(rand(1000))); +} + +############################################################ +############################################################ + +=pod + +=item DrawBarGraph + +Facilitates the plotting of data in a (stacked) bar graph. +Puts plot definition data into the users environment in order for +graph.png to plot it. Returns an tag for the plot. +The bars on the plot are labeled '1','2',...,'n'. + +Inputs: + +=over 4 + +=item $Title: string, the title of the plot + +=item $xlabel: string, text describing the X-axis of the plot + +=item $ylabel: string, text describing the Y-axis of the plot + +=item $Max: scalar, the maximum Y value to use in the plot +If $Max is < any data point, the graph will not be rendered. + +=item $colors: array ref holding the colors to be used for the data sets when +they are plotted. If undefined, default values will be used. + +=item @Values: An array of array references. Each array reference holds data +to be plotted in a stacked bar chart. + +=back + +Returns: + +An tag which references graph.png and the appropriate identifying +information for the plot. + +=cut + +############################################################ +############################################################ +sub DrawBarGraph { + my ($Title,$xlabel,$ylabel,$Max,$colors,@Values)=@_; + # + if (! defined($colors)) { + $colors = ['#33ff00', + '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933', + '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66', + ]; + } + # + my $identifier = &get_cgi_id(); + my $id = 'cgi.'.$identifier; + if (! @Values || ref($Values[0]) ne 'ARRAY') { + return ''; + } + my $NumBars = scalar(@{$Values[0]}); + my %ValuesHash; + my $NumSets=1; + foreach my $array (@Values) { + next if (! ref($array)); + $ValuesHash{$id.'.data.'.$NumSets++} = + join(',',@$array); + } + # + my ($height,$width,$xskip,$bar_width) = (200,120,1,15); + if ($NumBars < 10) { + $width = 120+$NumBars*15; + $xskip = 1; + $bar_width = 15; + } elsif ($NumBars <= 25) { + $width = 120+$NumBars*11; + $xskip = 5; + $bar_width = 8; + } elsif ($NumBars <= 50) { + $width = 120+$NumBars*8; + $xskip = 5; + $bar_width = 4; + } else { + $width = 120+$NumBars*8; + $xskip = 5; + $bar_width = 4; + } + # + my @Labels; + for (my $i=0;$i<@{$Values[0]};$i++) { + push (@Labels,$i+1); + } + # + $Max = 1 if ($Max < 1); + if ( int($Max) < $Max ) { + $Max++; + $Max = int($Max); + } + $Title = '' if (! defined($Title)); + $xlabel = '' if (! defined($xlabel)); + $ylabel = '' if (! defined($ylabel)); + $ValuesHash{$id.'.title'} = &Apache::lonnet::escape($Title); + $ValuesHash{$id.'.xlabel'} = &Apache::lonnet::escape($xlabel); + $ValuesHash{$id.'.ylabel'} = &Apache::lonnet::escape($ylabel); + $ValuesHash{$id.'.y_max_value'} = $Max; + $ValuesHash{$id.'.NumBars'} = $NumBars; + $ValuesHash{$id.'.NumSets'} = $NumSets; + $ValuesHash{$id.'.PlotType'} = 'bar'; + $ValuesHash{$id.'.Colors'} = join(',',@{$colors}); + $ValuesHash{$id.'.height'} = $height; + $ValuesHash{$id.'.width'} = $width; + $ValuesHash{$id.'.xskip'} = $xskip; + $ValuesHash{$id.'.bar_width'} = $bar_width; + $ValuesHash{$id.'.labels'} = join(',',@Labels); + # + &Apache::lonnet::appenv(%ValuesHash); + return ''; +} + +############################################################ +############################################################ + +=pod + +=item DrawXYGraph + +Facilitates the plotting of data in an XY graph. +Puts plot definition data into the users environment in order for +graph.png to plot it. Returns an tag for the plot. + +Inputs: + +=over 4 + +=item $Title: string, the title of the plot + +=item $xlabel: string, text describing the X-axis of the plot + +=item $ylabel: string, text describing the Y-axis of the plot + +=item $Max: scalar, the maximum Y value to use in the plot +If $Max is < any data point, the graph will not be rendered. + +=item $colors: Array ref containing the hex color codes for the data to be +plotted in. If undefined, default values will be used. + +=item $Xlabels: Array ref containing the labels to be used for the X-axis. + +=item $Ydata: Array ref containing Array refs. +Each of the contained arrays will be plotted as a seperate curve. + +=item %Values: hash indicating or overriding any default values which are +passed to graph.png. +Possible values are: width, xskip, x_ticks, x_tick_offset, among others. + +=back + +Returns: + +An tag which references graph.png and the appropriate identifying +information for the plot. + +=cut + +############################################################ +############################################################ +sub DrawXYGraph { + my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_; + # + # Create the identifier for the graph + my $identifier = &get_cgi_id(); + my $id = 'cgi.'.$identifier; + # + $Title = '' if (! defined($Title)); + $xlabel = '' if (! defined($xlabel)); + $ylabel = '' if (! defined($ylabel)); + my %ValuesHash = + ( + $id.'.title' => &Apache::lonnet::escape($Title), + $id.'.xlabel' => &Apache::lonnet::escape($xlabel), + $id.'.ylabel' => &Apache::lonnet::escape($ylabel), + $id.'.y_max_value'=> $Max, + $id.'.labels' => join(',',@$Xlabels), + $id.'.PlotType' => 'XY', + ); + # + if (defined($colors) && ref($colors) eq 'ARRAY') { + $ValuesHash{$id.'.Colors'} = join(',',@{$colors}); + } + # + if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') { + return ''; + } + my $NumSets=1; + foreach my $array (@{$Ydata}){ + next if (! ref($array)); + $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array); + } + $ValuesHash{$id.'.NumSets'} = $NumSets-1; + # + # Deal with other parameters + while (my ($key,$value) = each(%Values)) { + $ValuesHash{$id.'.'.$key} = $value; + } + # + &Apache::lonnet::appenv(%ValuesHash); + return ''; +} + +############################################################ +############################################################ + +=pod + +=item DrawXYYGraph + +Facilitates the plotting of data in an XY graph with two Y axes. +Puts plot definition data into the users environment in order for +graph.png to plot it. Returns an tag for the plot. + +Inputs: + +=over 4 + +=item $Title: string, the title of the plot + +=item $xlabel: string, text describing the X-axis of the plot + +=item $ylabel: string, text describing the Y-axis of the plot + +=item $colors: Array ref containing the hex color codes for the data to be +plotted in. If undefined, default values will be used. + +=item $Xlabels: Array ref containing the labels to be used for the X-axis. + +=item $Ydata1: The first data set + +=item $Min1: The minimum value of the left Y-axis + +=item $Max1: The maximum value of the left Y-axis + +=item $Ydata2: The second data set + +=item $Min2: The minimum value of the right Y-axis + +=item $Max2: The maximum value of the left Y-axis + +=item %Values: hash indicating or overriding any default values which are +passed to graph.png. +Possible values are: width, xskip, x_ticks, x_tick_offset, among others. + +=back + +Returns: + +An tag which references graph.png and the appropriate identifying +information for the plot. + +=cut + +############################################################ +############################################################ +sub DrawXYYGraph { + my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1, + $Ydata2,$Min2,$Max2,%Values)=@_; + # + # Create the identifier for the graph + my $identifier = &get_cgi_id(); + my $id = 'cgi.'.$identifier; + # + $Title = '' if (! defined($Title)); + $xlabel = '' if (! defined($xlabel)); + $ylabel = '' if (! defined($ylabel)); + my %ValuesHash = + ( + $id.'.title' => &Apache::lonnet::escape($Title), + $id.'.xlabel' => &Apache::lonnet::escape($xlabel), + $id.'.ylabel' => &Apache::lonnet::escape($ylabel), + $id.'.labels' => join(',',@$Xlabels), + $id.'.PlotType' => 'XY', + $id.'.NumSets' => 2, + $id.'.two_axes' => 1, + $id.'.y1_max_value' => $Max1, + $id.'.y1_min_value' => $Min1, + $id.'.y2_max_value' => $Max2, + $id.'.y2_min_value' => $Min2, + ); + # + if (defined($colors) && ref($colors) eq 'ARRAY') { + $ValuesHash{$id.'.Colors'} = join(',',@{$colors}); + } + # + if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' || + ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){ + return ''; + } + my $NumSets=1; + foreach my $array ($Ydata1,$Ydata2){ + next if (! ref($array)); + $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array); + } + # + # Deal with other parameters + while (my ($key,$value) = each(%Values)) { + $ValuesHash{$id.'.'.$key} = $value; + } + # + &Apache::lonnet::appenv(%ValuesHash); + return ''; +} + +############################################################ +############################################################ + +=pod + +=head1 Statistics helper routines? + +Bad place for them but what the hell. + +=item &chartlink + +Returns a link to the chart for a specific student. + +Inputs: + +=over 4 + +=item $linktext: The text of the link + +=item $sname: The students username + +=item $sdomain: The students domain + +=back + +=cut + +############################################################ +############################################################ +sub chartlink { + my ($linktext, $sname, $sdomain) = @_; + my $link = ''.$linktext.''; +} + +############################################################ +############################################################ + =pod =back