--- loncom/interface/loncommon.pm 2010/08/07 19:23:50 1.972 +++ loncom/interface/loncommon.pm 2010/11/28 00:04:05 1.987 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.972 2010/08/07 19:23:50 raeburn Exp $ +# $Id: loncommon.pm,v 1.987 2010/11/28 00:04:05 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -1072,7 +1072,7 @@ END =pod -=item * &help_open_topic($topic,$text,$stayOnPage,$width,$height) +=item * &help_open_topic($topic,$text,$stayOnPage,$width,$height,$imgid) Returns a string corresponding to an HTML link to the given help $topic, where $topic corresponds to the name of a .tex file in @@ -1090,12 +1090,16 @@ a new window using Javascript. (Default $width and $height are optional numerical parameters that will override the width and height of the popped up window, which may -be useful for certain help topics with big pictures included. +be useful for certain help topics with big pictures included. + +$imgid is the id of the img tag used for the help icon. This may be +used in a javascript call to switch the image src. See +lonhtmlcommon::htmlareaselectactive() for an example. =cut sub help_open_topic { - my ($topic, $text, $stayOnPage, $width, $height) = @_; + my ($topic, $text, $stayOnPage, $width, $height, $imgid) = @_; $text = "" if (not defined $text); $stayOnPage = 0 if (not defined $stayOnPage); $width = 350 if (not defined $width); @@ -1124,10 +1128,13 @@ sub help_open_topic { # (Always) Add the graphic my $title = &mt('Online Help'); my $helpicon=&lonhttpdurl("/adm/help/help.png"); + if ($imgid ne '') { + $imgid = ' id="'.$imgid.'"'; + } $template.=' ' .''; if ($text ne "") { $template.=''; @@ -2267,12 +2274,16 @@ function changed_text(choice,currentform } function set_auth_radio_buttons(newvalue,currentform) { + var numauthchoices = currentform.login.length; + if (typeof numauthchoices == "undefined") { + return; + } var i=0; - while (i < currentform.login.length) { + while (i < numauthchoices) { if (currentform.login[i].value == newvalue) { break; } i++; } - if (i == currentform.login.length) { + if (i == numauthchoices) { return; } current.radiovalue = newvalue; @@ -3404,7 +3415,7 @@ sub get_previous_attempt { } $prevattempts=&start_data_table().&start_data_table_header_row(); $prevattempts.='
'.&mt('or').'
'; + } + } + return ($output,$num,$numpathchg); +} + +sub embedded_file_element { + my ($context,$num,$embed_file,$mapping,$allfiles,$codebase) = @_; + return unless ((ref($mapping) eq 'HASH') && (ref($allfiles) eq 'HASH') && + (ref($codebase) eq 'HASH')); + my $output; + if ($context eq 'upload_embedded') { + $output = ''."\n"; + } + $output .= ''; + unless (($context eq 'upload_embedded') && + ($mapping->{$embed_file} eq $embed_file)) { + $output .=' + '; + } + my $attrib; + if (ref($allfiles->{$mapping->{$embed_file}}) eq 'ARRAY') { + $attrib = &escape(join(':',@{$allfiles->{$mapping->{$embed_file}}})); + } + $output .= + "\n\t\t". + ''; + if (exists($codebase->{$mapping->{$embed_file}})) { + $output .= + "\n\t\t". + ''; + } + return $output; } sub upload_embedded { my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota, - $current_disk_usage) = @_; - my $output; + $current_disk_usage,$hiddenstate,$actionurl) = @_; + my (%pathchange,$output,$modifyform,$footer,$returnflag); for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) { next if (!exists($env{'form.embedded_item_'.$i.'.filename'})); my $orig_uploaded_filename = $env{'form.embedded_item_'.$i.'.filename'}; - - $env{'form.embedded_orig_'.$i} = - &unescape($env{'form.embedded_orig_'.$i}); + foreach my $type ('orig','ref','attrib','codebase') { + if ($env{'form.embedded_'.$type.'_'.$i} ne '') { + $env{'form.embedded_'.$type.'_'.$i} = + &unescape($env{'form.embedded_'.$type.'_'.$i}); + } + } my ($path,$fname) = ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)}); # no path, whole string is fname if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} }; - - $path = $env{'form.currentpath'}.$path; $fname = &Apache::lonnet::clean_filename($fname); # See if there is anything left next if ($fname eq ''); @@ -8329,12 +8612,12 @@ sub upload_embedded { if ($group ne '') { $port_path = "groups/$group/$port_path"; } - ($state,$msg) = &check_for_upload($path,$fname,$group,'embedded_item_'.$i, + ($state,$msg) = &check_for_upload($env{'form.currentpath'}.$path, + $fname,$group,'embedded_item_'.$i, $dir_root,$port_path,$disk_quota, $current_disk_usage,$uname,$udom); if ($state eq 'will_exceed_quota' - || $state eq 'file_locked' - || $state eq 'file_exists' ) { + || $state eq 'file_locked') { $output .= $msg; next; } @@ -8348,31 +8631,53 @@ sub upload_embedded { # Check if extension is valid if (($fname =~ /\.(\w+)$/) && (&Apache::loncommon::fileembstyle($1) eq 'hdn')) { - $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1); + $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1).''.&mt('Uploaded [_1]',''. - $path.$fname.'').'
'; + $output .= &mt('Uploaded [_1]',''. + $path.$fname.'').''.$output.'
'; + } + $output .= &modify_html_form('upload_embedded',$actionurl,$hiddenstate,\%pathchange); + $returnflag = 'ok'; + if (keys(%pathchange) > 0) { + if ($context eq 'portfolio') { + $output .= ''.&mt('or').'
'; + } elsif ($context eq 'testbank') { + $output .= ''.&mt('Or [_1]continue[_2] the testbank import without modifying the references(s).','','').'
'; + $returnflag = 'modify_orightml'; + } + } + return ($output.$footer,$returnflag); +} + +sub modify_html_form { + my ($context,$actionurl,$hiddenstate,$pathchange,$pathchgtable) = @_; + my $end = 0; + my $modifyform; + if ($context eq 'upload_embedded') { + return unless (ref($pathchange) eq 'HASH'); + if ($env{'form.number_embedded_items'}) { + $end += $env{'form.number_embedded_items'}; + } + if ($env{'form.number_pathchange_items'}) { + $end += $env{'form.number_pathchange_items'}; + } + if ($end) { + for (my $i=0; $i<$end; $i++) { + if ($i < $env{'form.number_embedded_items'}) { + next unless($pathchange->{$i}); + } + $modifyform .= + &start_data_table_row(). + ''.&mt('Changes need to be made to the reference(s) used for one or more of the dependencies, if your HTML file is to work correctly:').'
'. + &mt('LON-CAPA can make the required changes to your HTML file.').'
'."\n". + ''."\n"; + } + return; +} + +sub modify_html_refs { + my ($context,$dirpath,$uname,$udom,$dir_root) = @_; + my $container; + if ($context eq 'portfolio') { + $container = $env{'form.container'}; + } elsif ($context eq 'coursedoc') { + $container = $env{'form.primaryurl'}; + } else { + $container = $env{'form.filename'}; + $container =~ s{^/priv/(\Q$uname\E)/(.*)}{/home/$1/public_html/$2}; + } + my (%allfiles,%codebase,$output,$content); + my @changes = &get_env_multiple('form.namechange'); + return unless (@changes > 0); + if (($context eq 'portfolio') || ($context eq 'coursedoc')) { + return unless ($container =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/}); + $content = &Apache::lonnet::getfile($container); + return if ($content eq '-1'); + } else { + return unless ($container =~ /^\Q$dir_root\E/); + if (open(my $fh,"<$container")) { + $content = join('', <$fh>); + close($fh); + } else { + return; + } + } + my ($count,$codebasecount) = (0,0); + my $mm = new File::MMagic; + my $mime_type = $mm->checktype_contents($content); + if ($mime_type eq 'text/html') { + my $parse_result = + &Apache::lonnet::extract_embedded_items($container,\%allfiles, + \%codebase,\$content); + if ($parse_result eq 'ok') { + foreach my $i (@changes) { + my $orig = &unescape($env{'form.embedded_orig_'.$i}); + my $ref = &unescape($env{'form.embedded_ref_'.$i}); + if ($allfiles{$ref}) { + my $newname = $orig; + my ($attrib_regexp,$codebase); + my $attrib_regexp = &unescape($env{'form.embedded_attrib_'.$i}); + if ($attrib_regexp =~ /:/) { + $attrib_regexp =~ s/\:/|/g; + } + if ($content =~ m{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}) { + my $numchg = ($content =~ s{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}{$1$newname$2}gi); + $count += $numchg; + } + if ($env{'form.embedded_codebase_'.$i} ne '') { + my $codebase = &unescape($env{'form.embedded_codebase_'.$i}); + my $numchg = ($content =~ s/(codebase\s*=\s*["']?)\Q$codebase\E(["']?)/$1.$2/i); #' stupid emacs + $codebasecount ++; + } + } + } + if ($count || $codebasecount) { + my $saveresult; + if ($context eq 'portfolio' || $context eq 'coursedoc') { + my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult); + if ($url eq $container) { + my ($fname) = ($container =~ m{/([^/]+)$}); + $output = ''.&mt('Updated [quant,_1,reference] in [_2].', + $count,''. + $fname.'').'
'; + } else { + $output = ''. + &mt('Error: update failed for: [_1].', + ''. + $container.'').'
'; + } + } else { + if (open(my $fh,">$container")) { + print $fh $content; + close($fh); + $output = ''.&mt('Updated [quant,_1,reference] in [_2].', + $count,''. + $container.'').'
'; + } else { + $output = ''. + &mt('Error: could not update [_1].', + ''. + $container.'').'
'; + } + } + } + } else { + &logthis('Failed to parse '.$container. + ' to modify references: '.$parse_result); + } } return $output; } @@ -8438,14 +8914,24 @@ sub check_for_existing { sub check_for_upload { my ($path,$fname,$group,$element,$portfolio_root,$port_path, $disk_quota,$current_disk_usage,$uname,$udom) = @_; - my $filesize = (length($env{'form.'.$element})) / 1000; #express in k (1024?) + my $filesize = length($env{'form.'.$element}); + if (!$filesize) { + my $msg = ''. + &mt('Unable to upload [_1]. (size = [_2] bytes)', + ''.$fname.'', + $filesize).'