--- loncom/xml/lonxml.pm 2007/05/14 08:42:13 1.445
+++ loncom/xml/lonxml.pm 2007/10/22 09:27:50 1.466
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# XML Parser Module
#
-# $Id: lonxml.pm,v 1.445 2007/05/14 08:42:13 albertel Exp $
+# $Id: lonxml.pm,v 1.466 2007/10/22 09:27:50 foxr Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -92,8 +92,10 @@ use Apache::loncacc();
use Apache::lonmaxima();
use Apache::lonlocal;
-#================================================== Main subroutine: xmlparse
+#==================================== Main subroutine: xmlparse
+
#debugging control, to turn on debugging modify the correct handler
+
$Apache::lonxml::debug=0;
# keeps count of the number of warnings and errors generated in a parse
@@ -125,6 +127,9 @@ $evaluate = 1;
# stores the list of active tag namespaces
@namespace=();
+# stores all Scrit Vars displays for later showing
+my @script_var_displays=();
+
# a pointer the the Apache request object
$Apache::lonxml::request='';
@@ -132,6 +137,16 @@ $Apache::lonxml::request='';
$Apache::lonxml::counter=1;
$Apache::lonxml::counter_changed=0;
+# Part counter hash. In analysis mode, the
+# problems can use this to record which parts increment the counter
+# by how much. The counter subs will maintain this hash via
+# their optional part parameters. Note that the assumption is that
+# analysis is done in one request and therefore it is not necessary to
+# save this information request-to-request.
+
+
+%Apache::lonxml::counters_per_part = ();
+
#internal check on whether to look at style defs
$Apache::lonxml::usestyle=1;
@@ -316,13 +331,14 @@ sub xmlparse {
}
}
}
- } elsif ($env{'construct.style'} && ($env{'request.state'} eq 'construct')) {
+ } elsif ($env{'construct.style'}
+ && ($env{'request.state'} eq 'construct')) {
my $location=&Apache::lonnet::filelocation('',$env{'construct.style'});
my $styletext=&Apache::lonnet::getfile($location);
- if ($styletext ne '-1') {
- %style_for_target = (%style_for_target,
- &Apache::style::styleparser($target,$styletext));
- }
+ if ($styletext ne '-1') {
+ %style_for_target = (%style_for_target,
+ &Apache::style::styleparser($target,$styletext));
+ }
}
#&printalltags();
my @pars = ();
@@ -357,6 +373,11 @@ sub xmlparse {
&clean_safespace($safeeval);
+ if (@script_var_displays) {
+ $finaloutput .= join('',@script_var_displays);
+ undef(@script_var_displays);
+ }
+
if ($env{'form.return_only_error_and_warning_counts'}) {
return "$errorcount:$warningcount";
}
@@ -599,9 +620,9 @@ sub callsub {
}
}
if ($token->[0] eq 'S') {
- $currentstring.=&Apache::edit::handle_insert();
+ $currentstring.=&Apache::edit::handle_insert();
} elsif ($token->[0] eq 'E') {
- $currentstring.=&Apache::edit::handle_insertafter($token->[1]);
+ $currentstring.=&Apache::edit::handle_insertafter($token->[1]);
}
}
}
@@ -610,6 +631,24 @@ sub callsub {
return $currentstring;
}
+{
+ my %state;
+
+ sub init_state {
+ undef(%state);
+ }
+
+ sub set_state {
+ my ($key,$value) = @_;
+ $state{$key} = $value;
+ return $value;
+ }
+ sub get_state {
+ my ($key) = @_;
+ return $state{$key};
+ }
+}
+
sub setup_globals {
my ($request,$target)=@_;
$Apache::lonxml::request=$request;
@@ -618,8 +657,11 @@ sub setup_globals {
$Apache::lonxml::default_homework_loaded=0;
$Apache::lonxml::usestyle=1;
&init_counter();
+ &clear_bubble_lines_for_part();
+ &init_state();
@Apache::lonxml::pwd=();
@Apache::lonxml::extlinks=();
+ @script_var_displays=();
@Apache::lonxml::ssi_info=();
$Apache::lonxml::post_evaluate=1;
$Apache::lonxml::warnings_error_header='';
@@ -790,6 +832,7 @@ sub init_safespace {
$safehole->wrap(\&Math::Random::random_set_seed_from_phrase,$safeeval,'&random_set_seed_from_phrase');
$safehole->wrap(\&Math::Random::random_get_seed,$safeeval,'&random_get_seed');
$safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');
+ $safehole->wrap(\&Apache::loncommon::languages,$safeeval,'&languages');
$safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');
$safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');
$safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&LONCAPA_INTERNAL_LOGTHIS');
@@ -898,6 +941,9 @@ sub endredirection {
}
pop @Apache::lonxml::outputstack;
}
+sub in_redirection {
+ return ($Apache::lonxml::redirection > 0)
+}
sub end_tag {
my ($tagstack,$parstack,$token)=@_;
@@ -958,8 +1004,8 @@ sub decreasedepth {
sub get_id {
my ($parstack,$safeeval)=@_;
my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
- if ($env{'request.state'} eq 'construct' && $id =~ /(\.|_)/) {
- &error(&mt("IDs are not allowed to contain "<tt>_</tt>" or "<tt>.</tt>""));
+ if ($env{'request.state'} eq 'construct' && $id =~ /([._]|[^\w\d\s[:punct:]])/) {
+ &error(&mt("ID "[_1]" contains invalid characters, IDs are only allowed to contain letters, numbers, spaces and -",'<tt>'.$id.'</tt>'));
}
if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
return $id;
@@ -995,18 +1041,66 @@ sub get_all_text_unbalanced {
}
}
return $result
+
}
+#########################################################################
+# #
+# bubble line counter management #
+# #
+#########################################################################
+
+=pod
+
+For bubble grading mode and exam bubble printing mode, the tracking of
+the current 'bubble line number' is stored in the %env element
+'form.counter', and is modifed and handled by the following routines.
+
+The value of it is stored in $Apache:lonxml::counter when live and
+stored back to env after done.
+
+=item &increment_counter($increment);
+
+Increments the internal counter environment variable a specified amount
+
+Optional Arguments:
+ $increment - amount to increment by (defaults to 1)
+ Also 1 if the value is negative or zero.
+ $response_id - The id of the response to record. This
+ indicates whicn part of which problem is being
+ counted.
+
+=cut
+
sub increment_counter {
- my ($increment) = @_;
- if (defined($increment) && $increment gt 0) {
- $Apache::lonxml::counter+=$increment;
- } else {
- $Apache::lonxml::counter++;
+ my ($increment, $response_id) = @_;
+ if (!defined($increment) || $increment le 0) {
+ $increment = 1;
}
+ $Apache::lonxml::counter += $increment;
+
+ # If the caller supplied the response_id parameter,
+ # Maintain its counter.. creating if necessary.
+
+ if(defined($response_id)) {
+ if (!defined($Apache::lonxml::counters_per_part{$response_id})) {
+ $Apache::lonxml::counters_per_part{$response_id} = 0;
+ }
+ $Apache::lonxml::counters_per_part{$response_id} += $increment;
+ my $new_value = $Apache::lonxml::counters_per_part{$response_id};
+ }
+
$Apache::lonxml::counter_changed=1;
}
+=pod
+
+=item &init_counter($increment);
+
+Initialize the internal counter environment variable
+
+=cut
+
sub init_counter {
if ($env{'request.state'} eq 'construct') {
$Apache::lonxml::counter=1;
@@ -1052,6 +1146,74 @@ sub store_counter {
}
}
+=pod
+
+=item bubble_lines_for_part(response_id)
+
+Returns the number of lines required to get a response for
+$response_id (this is just $Apache::lonxml::counters_per_part{$response_id}
+
+=cut
+
+sub bubble_lines_for_part {
+ my ($response_id) = @_;
+
+ if (!defined($Apache::lonxml::counters_per_part{$response_id})) {
+ return 0;
+ } else {
+ return $Apache::lonxml::counters_per_part{$response_id};
+ }
+
+}
+
+=pod
+
+=item clear_bubble_lines_for_part
+
+Clears the hash of bubble lines per part. If a caller
+needs to analyze several resources this should be called between
+resources to reset the hash for each problem being analyzed.
+
+=cut
+
+sub clear_bubble_lines_for_part {
+ undef(%Apache::lonxml::counters_per_part);
+}
+
+=pod
+
+=item set_bubble_lines(response_id, value)
+
+If there is a problem part, that for whatever reason
+requires bubble lines that are not
+the same as the counter increment, it can call this sub during
+analysis to set its hash value explicitly.
+
+=cut
+
+sub set_bubble_lines {
+ my ($response_id, $value) = @_;
+
+ $Apache::lonxml::counters_per_part{$response_id} = $value;
+}
+
+=pod
+
+=item get_bubble_line_hash
+
+Returns the current bubble line hash. This is assumed to
+be small so we return a copy
+
+
+=cut
+
+sub get_bubble_line_hash {
+ return %Apache::lonxml::counters_per_part;
+}
+
+
+#--------------------------------------------------
+
sub get_all_text {
my($tag,$pars,$style)= @_;
my $gotfullstack=1;
@@ -1228,6 +1390,12 @@ sub do_registered_ssi {
&Apache::lonnet::ssi($url,%form);
}
}
+
+sub add_script_result {
+ my ($display) = @_;
+ push(@script_var_displays, $display);
+}
+
#
# Afterburner handles anchors, highlights and links
#
@@ -1308,41 +1476,58 @@ SIMPLECONTENT
sub inserteditinfo {
- my ($result,$filecontents,$filetype)=@_;
+ my ($filecontents,$filetype)=@_;
$filecontents = &HTML::Entities::encode($filecontents,'<>&"');
# my $editheader='<a href="#editsection">Edit below</a><hr />';
my $xml_help = '';
my $initialize='';
- if ($filetype eq 'html') {
- my $addbuttons=&Apache::lonhtmlcommon::htmlareaaddbuttons();
- $initialize=&Apache::lonhtmlcommon::spellheader();
- if (!&Apache::lonhtmlcommon::htmlareablocked() &&
- &Apache::lonhtmlcommon::htmlareabrowser()) {
- $initialize.=(<<FULLPAGE);
+ my $textarea_id = 'filecont';
+ my ($add_to_onload, $add_to_onresize);
+ $initialize=&Apache::lonhtmlcommon::spellheader();
+ if ($filetype eq 'html'
+ && (!&Apache::lonhtmlcommon::htmlareablocked() &&
+ &Apache::lonhtmlcommon::htmlareabrowser())) {
+ $textarea_id .= '___Frame';
+ my $lang = &Apache::lonhtmlcommon::htmlarea_lang();
+ $initialize.=(<<FULLPAGE);
<script type="text/javascript">
-$addbuttons
-
- HTMLArea.loadPlugin("FullPage");
-
+lonca
function initDocument() {
- var editor=new HTMLArea("filecont",config);
- editor.registerPlugin(FullPage);
- editor.generate();
+ var oFCKeditor = new FCKeditor('filecont');
+ oFCKeditor.Config['CustomConfigurationsPath'] = '/fckeditor/loncapaconfig.js' ;
+ oFCKeditor.Config['FullPage'] = true
+ oFCKeditor.Config['AutoDetectLanguage'] = false;
+ oFCKeditor.Config['DefaultLanguage'] = "$lang";
+ oFCKeditor.ReplaceTextarea();
+ }
+ function check_if_dirty(editor) {
+ if (editor.IsDirty()) {
+ unClean();
+ }
+ }
+ function FCKeditor_OnComplete(editor) {
+ editor.Events.AttachEvent("OnSelectionChange",check_if_dirty);
+ resize_textarea('$textarea_id','LC_aftertextarea');
}
</script>
FULLPAGE
- } else {
- $initialize.=(<<FULLPAGE);
+ } else {
+ $initialize.=(<<FULLPAGE);
<script type="text/javascript">
-$addbuttons
function initDocument() {
+ resize_textarea('$textarea_id','LC_aftertextarea');
}
</script>
FULLPAGE
- }
- $result=~s/\<body([^\>]*)\>/\<body onload="initDocument()" $1\>/i;
+ }
+
+ $add_to_onload = 'initDocument();';
+ $add_to_onresize = "resize_textarea('$textarea_id','LC_aftertextarea');";
+
+ if ($filetype eq 'html') {
$xml_help=&Apache::loncommon::helpLatexCheatsheet();
}
+
my $cleanbut = '';
my $titledisplay=&display_title();
@@ -1354,29 +1539,31 @@ FULLPAGE
my $buttons=(<<BUTTONS);
$cleanbut
<input type="submit" name="discardview" accesskey="d" value="$lt{'dv'}" />
-<input type="submit" name="Undo" accesskey="u" value="$lt{'un'}" /><hr>
+<input type="submit" name="Undo" accesskey="u" value="$lt{'un'}" /><hr />
<input type="submit" name="savethisfile" accesskey="s" value="$lt{'st'}" />
<input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" />
BUTTONS
$buttons.=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');
+ my $textarea_events = &Apache::edit::element_change_detection();
+ my $form_events = &Apache::edit::form_change_detection();
my $editfooter=(<<ENDFOOTER);
$initialize
<hr />
<a name="editsection" />
-<form method="post" name="xmledit">
+<form $form_events method="post" name="xmledit">
$xml_help
<input type="hidden" name="editmode" value="$lt{'ed'}" />
$buttons<br />
-<textarea style="width:100%" cols="80" rows="44" name="filecont" id="filecont">$filecontents</textarea>
+<textarea $textarea_events style="width:100%" cols="80" rows="44" name="filecont" id="filecont">$filecontents</textarea>
+<div id="LC_aftertextarea">
<br />$buttons
<br />
-</form>
$titledisplay
+</div>
+</form>
</body>
ENDFOOTER
-# $result=~s/(\<body[^\>]*\>)/$1$editheader/is;
- $result=~s/(\<\/body\>)/$editfooter/is;
- return $result;
+ return ($editfooter,$add_to_onload,$add_to_onresize);;
}
sub get_target {
@@ -1472,38 +1659,64 @@ ENDNOTFOUND
['editmode']);
}
if (!$env{'form.editmode'} || $env{'form.viewmode'} || $env{'form.discardview'}) {
+ &Apache::structuretags::reset_problem_globals();
$result = &Apache::lonxml::xmlparse($request,$target,$filecontents,
'',%mystyle);
- undef($Apache::lonhomework::parsing_a_task);
+ # .html files may contain <problem> or <Task> need to clean
+ # up if it did
+ &Apache::structuretags::reset_problem_globals();
+ &Apache::lonhomework::finished_parsing();
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['rawmode']);
if ($env{'form.rawmode'}) { $result = $filecontents; }
+ if ($filetype eq 'sty') {
+ my $controls =
+ ($env{'request.state'} eq 'construct') ? &Apache::londefdef::edit_controls()
+ : '';
+ my %options = ('bgcolor' => '#FFFFFF');
+ $result =
+ &Apache::loncommon::start_page(undef,undef,\%options).
+ $controls.
+ $result.
+ &Apache::loncommon::end_page();
+ }
}
}
-
+
#
# Edit action? Insert editing commands
#
unless ($env{'request.state'} eq 'published') {
if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'})))
- {
+ {
+ my ($edit_info, $add_to_onload, $add_to_onresize)=
+ &inserteditinfo($filecontents,$filetype);
+
my $displayfile=$request->uri;
$displayfile=~s/^\/[^\/]*//;
- my %options = ();
+ my %options =
+ ('add_entries' =>
+ {'onresize' => $add_to_onresize,
+ 'onload' => $add_to_onload, });
+
if ($env{'environment.remote'} ne 'off') {
$options{'bgcolor'} = '#FFFFFF';
+ $options{'only_body'} = 1;
}
- my $start_page = &Apache::loncommon::start_page(undef,undef,
+ my $js =
+ &Apache::edit::js_change_detection().
+ &Apache::loncommon::resize_textarea_js();
+ my $start_page = &Apache::loncommon::start_page(undef,$js,
\%options);
$result=$start_page.
&Apache::lonxml::message_location().'<h3>'.
$displayfile.
- '</h3>'.&Apache::loncommon::end_page();
- $result=&inserteditinfo($result,$filecontents,$filetype);
+ '</h3>'.
+ $edit_info.
+ &Apache::loncommon::end_page();
}
}
if ($filetype eq 'html') { &writeallows($request->uri); }
-
&Apache::lonxml::add_messages(\$result);
$request->print($result);
@@ -1552,12 +1765,28 @@ sub show_error_warn_msg {
}
sub error {
+ my @errors = @_;
+
$errorcount++;
+
+ if (defined($Apache::inputtags::part)) {
+ if ( @Apache::inputtags::response ) {
+ push(@errors,
+ &mt("This error occurred while processing response [_1] in part [_2]",
+ $Apache::inputtags::response[-1],
+ $Apache::inputtags::part));
+ } else {
+ push(@errors,
+ &mt("This error occurred while processing part [_1]",
+ $Apache::inputtags::part));
+ }
+ }
+
if ( &show_error_warn_msg() ) {
# If printing in construction space, put the error inside <pre></pre>
push(@Apache::lonxml::error_messages,
$Apache::lonxml::warnings_error_header.
- "<b>ERROR:</b>".join("<br />\n",@_)."<br />\n");
+ "<b>ERROR:</b>".join("<br />\n",@errors)."<br />\n");
$Apache::lonxml::warnings_error_header='';
} else {
my $errormsg;
@@ -1567,7 +1796,10 @@ sub error {
$errormsg=&mt("An error occured while processing this resource. The author has been notified.");
}
my $host=$Apache::lonnet::perlvar{'lonHostID'};
- my $msg = join('<br />',(@_,"The error occurred on host <tt>$host</tt>"));
+ push(@errors, "The error occurred on host <tt>$host</tt>");
+
+ my $msg = join('<br />', @errors);
+
#notify author
&Apache::lonmsg::author_res_msg($env{'request.filename'},$msg);
#notify course
@@ -1748,8 +1980,8 @@ sub register_insert_xml {
my $allow = $insertlist{"$tag.allow"};
foreach my $element (split(',',$allow)) {
$element =~ s/(^\s*|\s*$ )//gx;
- if (exists($insertlist{"$element.show"})
- && $insertlist{"$element.show"} ne 'no') {
+ if (!exists($insertlist{"$element.show"})
+ || $insertlist{"$element.show"} ne 'no') {
push(@{ $insertlist{$tag.'.which'} },$element);
}
}