version 1.88, 2015/03/14 22:26:50
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version 1.91, 2016/05/30 02:52:42
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Line 36 use LONCAPA;
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Line 36 use LONCAPA;
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use Apache::Constants qw(:common :http REDIRECT); |
use Apache::Constants qw(:common :http REDIRECT); |
use Apache::lonnet; |
use Apache::lonnet; |
use Apache::loncommon(); |
use Apache::loncommon(); |
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use Apache::lonnavmaps(); |
use Apache::lonuserstate; |
use Apache::lonuserstate; |
use Apache::lonlocal; |
use Apache::lonlocal; |
use HTML::TokeParser; |
use HTML::TokeParser; |
Line 83 sub hash_src {
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Line 84 sub hash_src {
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my ($mapid,$resid)=split(/\./,$id); |
my ($mapid,$resid)=split(/\./,$id); |
my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid}, |
my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid}, |
$resid,$hash{'src_'.$id}); |
$resid,$hash{'src_'.$id}); |
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my $anchor; |
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if ($hash{'ext_'.$id} eq 'true:') { |
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if ($hash{'src_'.$id} =~ /(\#.+)$/) { |
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$anchor = $1; |
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} |
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} |
if ($hash{'encrypted_'.$id}) { |
if ($hash{'encrypted_'.$id}) { |
return (&Apache::lonenc::encrypted($hash{'src_'.$id}), |
return (&Apache::lonenc::encrypted($hash{'src_'.$id}), |
&Apache::lonenc::encrypted($symb)); |
&Apache::lonenc::encrypted($symb), |
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$hash{'encrypted_'.$id},$anchor); |
} |
} |
return ($hash{'src_'.$id},$symb); |
return ($hash{'src_'.$id},$symb,$hash{'encrypted_'.$id},$anchor); |
} |
} |
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sub move { |
sub move { |
Line 248 sub first_accessible_resource {
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Line 256 sub first_accessible_resource {
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} |
} |
} |
} |
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sub first_answerable_ressymb { |
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my $navmap = Apache::lonnavmaps::navmap->new; |
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return unless (ref($navmap)); |
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my $iterator = $navmap->getIterator(undef,undef,undef,1); |
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return unless (ref($iterator)); |
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my ($curRes,$result); |
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while ($curRes = $iterator->next()) { |
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if (ref($curRes) && $curRes->is_problem()) { |
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foreach my $part (@{$curRes->parts()}) { |
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if ($curRes->tries($part) < $curRes->maxtries($part)) { |
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$result = $curRes->link().'?symb='.$curRes->shown_symb(); |
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last; |
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} |
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} |
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} |
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} |
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if ($result) { |
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return $result; |
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} else { |
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return &first_accessible_resource(); |
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} |
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} |
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# ================================================================ Main Handler |
# ================================================================ Main Handler |
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sub handler { |
sub handler { |
Line 264 sub handler {
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Line 295 sub handler {
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my %cachehash=(); |
my %cachehash=(); |
my $multichoice=0; |
my $multichoice=0; |
my %multichoicehash=(); |
my %multichoicehash=(); |
my ($redirecturl,$redirectsymb); |
my ($redirecturl,$redirectsymb,$enc,$anchor); |
my $next=''; |
my $next=''; |
my @possibilities=(); |
my @possibilities=(); |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['postdata']); |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['postdata']); |
if (($env{'form.postdata'})&&($env{'request.course.fn'})) { |
if (($env{'form.postdata'})&&($env{'request.course.fn'})) { |
my ($direction,$currenturl) = ($env{'form.postdata'}=~/(\w+)\:(.*)/); |
my ($direction,$currenturl) = ($env{'form.postdata'}=~/(\w+)\:(.*)/); |
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if ($currenturl=~m|^/enc/|) { |
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$currenturl=&Apache::lonenc::unencrypted($currenturl); |
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} |
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$currenturl=~s/\.\d+\.(\w+)$/\.$1/; |
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$currenturl=~s/^https?\:\/\///; |
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$currenturl=~s/^[^\/]+//; |
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my ($preupdatepos,$last,$reinitcheck); |
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if ($direction eq 'return') { |
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if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
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&GDBM_READER(),0640)) { |
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$last=$hash{'last_known'}; |
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untie(%hash); |
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} |
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} elsif ($direction eq 'firstanswerable') { |
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my $furl = &first_answerable_ressymb(); |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->header_out(Location => |
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&Apache::lonnet::absolute_url().$furl); |
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return REDIRECT; |
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} elsif ($direction eq 'endplacement') { |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->send_http_header; |
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$r->print(&Apache::lonplacementtest::showresult()); |
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return OK; |
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} |
if ($env{'request.course.id'}) { |
if ($env{'request.course.id'}) { |
# Check if course needs to be re-initialized |
# Check if course needs to be re-initialized |
my $loncaparev = $r->dir_config('lonVersion'); |
my $loncaparev = $r->dir_config('lonVersion'); |
my ($result,@reinit) = &Apache::loncommon::needs_coursereinit($loncaparev); |
($reinitcheck,my @reinit) = &Apache::loncommon::needs_coursereinit($loncaparev); |
if ($result eq 'switch') { |
if ($reinitcheck eq 'switch') { |
&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
$r->send_http_header; |
$r->send_http_header; |
$r->print(&Apache::loncommon::check_release_result(@reinit)); |
$r->print(&Apache::loncommon::check_release_result(@reinit)); |
return OK; |
return OK; |
} elsif ($result eq 'update') { |
} elsif ($reinitcheck eq 'update') { |
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; |
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; |
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; |
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; |
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$preupdatepos = &Apache::lonnet::symbread($currenturl); |
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unless ($direction eq 'return') { |
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if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
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&GDBM_READER(),0640)) { |
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$last=$hash{'last_known'}; |
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untie(%hash); |
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} |
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} |
my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum"); |
my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum"); |
if ($ferr) { |
if ($ferr) { |
my $requrl = $r->uri; |
my $requrl = $r->uri; |
$env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; |
$env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; |
$env{'user.reinit'} = 1; |
$env{'user.reinit'} = 1; |
return HTTP_NOT_ACCEPTABLE; |
return HTTP_NOT_ACCEPTABLE; |
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} else { |
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if ($last) { |
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my ($murl,$id,$fn)=&Apache::lonnet::decode_symb($last); |
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unless (&Apache::lonnet::symbverify($last,$fn)) { |
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undef($last); |
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} |
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} |
} |
} |
} |
} |
} |
} |
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if ($currenturl=~m|^/enc/|) { |
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$currenturl=&Apache::lonenc::unencrypted($currenturl); |
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} |
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$currenturl=~s/\.\d+\.(\w+)$/\.$1/; |
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if ($direction eq 'firstres') { |
if ($direction eq 'firstres') { |
my $furl=&first_accessible_resource(); |
my $furl=&first_accessible_resource(); |
&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
Line 305 sub handler {
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Line 370 sub handler {
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return REDIRECT; |
return REDIRECT; |
} |
} |
if ($direction eq 'return') { |
if ($direction eq 'return') { |
# -------------------------------------------------------- Return to last known |
# -------------------------------------------------------- Return to last known |
my $last; |
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if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
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&GDBM_READER(),0640)) { |
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$last=$hash{'last_known'}; |
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untie(%hash); |
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} |
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my $newloc; |
my $newloc; |
if (($last) && (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'.db', |
if (($last) && (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'.db', |
&GDBM_READER(),0640))) { |
&GDBM_READER(),0640))) { |
Line 321 sub handler {
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Line 380 sub handler {
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$newloc=$hash{'src_'.$id}; |
$newloc=$hash{'src_'.$id}; |
if ($newloc) { |
if ($newloc) { |
if ($hash{'encrypted_'.$id}) { $newloc=&Apache::lonenc::encrypted($newloc); } |
if ($hash{'encrypted_'.$id}) { $newloc=&Apache::lonenc::encrypted($newloc); } |
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} else { |
} else { |
$newloc='/adm/navmaps'; |
$newloc='/adm/navmaps'; |
} |
} |
untie %hash; |
untie %hash; |
} else { |
} else { |
$newloc='/adm/navmaps'; |
$newloc='/adm/navmaps'; |
} |
} |
&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
$r->header_out(Location => |
$r->header_out(Location => |
&Apache::lonnet::absolute_url().$newloc); |
&Apache::lonnet::absolute_url().$newloc); |
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return REDIRECT; |
return REDIRECT; |
} |
} |
$currenturl=~s/^https?\:\/\///; |
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$currenturl=~s/^[^\/]+//; |
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# |
# |
# Is the current URL on the map? If not, start with last known URL |
# Is the current URL on the map? If not, start with last known URL |
# |
# |
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unless (&Apache::lonnet::is_on_map($currenturl)) { |
unless (&Apache::lonnet::is_on_map($currenturl)) { |
my $last; |
if ($preupdatepos) { |
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
undef($preupdatepos); |
&GDBM_READER(),0640)) { |
} elsif (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
$last=$hash{'last_known'}; |
&GDBM_READER(),0640)) { |
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$last=$hash{'last_known'}; |
untie(%hash); |
untie(%hash); |
} |
} |
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my $newloc; |
if ($last) { |
if ($last) { |
$currenturl=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($last))[2]); |
$currenturl=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($last))[2]); |
} else { |
} else { |
&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
$r->header_out(Location => |
$r->header_out(Location => |
&Apache::lonnet::absolute_url(). |
&Apache::lonnet::absolute_url(). |
'/adm/noidea.html'); |
'/adm/navmaps'); |
return REDIRECT; |
return REDIRECT; |
} |
} |
} |
} |
# ------------------------------------------- Do we have any idea where we are? |
# ------------------------------------------- Do we have any idea where we are? |
my $position; |
my $position; |
if ($position=Apache::lonnet::symbread($currenturl)) { |
if ($preupdatepos) { |
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$position = $preupdatepos; |
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} else { |
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$position=Apache::lonnet::symbread($currenturl); |
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} |
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if ($position) { |
# ------------------------------------------------------------------------- Yes |
# ------------------------------------------------------------------------- Yes |
my ($startoutmap,$mapnum,$thisurl)=&Apache::lonnet::decode_symb($position); |
my ($startoutmap,$mapnum,$thisurl)=&Apache::lonnet::decode_symb($position); |
$cachehash{$startoutmap}{$thisurl}=[$thisurl,$mapnum]; |
$cachehash{$startoutmap}{$thisurl}=[$thisurl,$mapnum]; |
Line 382 sub handler {
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Line 446 sub handler {
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@possibilities=split(/\,/,$next); |
@possibilities=split(/\,/,$next); |
if ($#possibilities==0) { |
if ($#possibilities==0) { |
# ---------------------------------------------- Only one possibility, redirect |
# ---------------------------------------------- Only one possibility, redirect |
($redirecturl,$redirectsymb)=&hash_src($next); |
($redirecturl,$redirectsymb,$enc,$anchor)=&hash_src($next); |
$cachehash{$endupmap}{$redirecturl}= |
$cachehash{$endupmap}{$redirecturl}= |
[$redirecturl,(split(/\./,$next))[1]]; |
[$redirecturl,(split(/\./,$next))[1]]; |
} else { |
} else { |
Line 429 sub handler {
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Line 493 sub handler {
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} |
} |
# ------------------------------------- Check for and display critical messages |
# ------------------------------------- Check for and display critical messages |
my ($redirect, $url) = &Apache::loncommon::critical_redirect(300); |
my ($redirect, $url) = &Apache::loncommon::critical_redirect(300); |
unless ($redirect) { |
unless ($redirect) { |
$url=&Apache::lonnet::absolute_url().$redirecturl; |
$url=&Apache::lonnet::absolute_url().$redirecturl; |
$url = &add_get_param($url, { 'symb' => $redirectsymb}); |
my $addanchor; |
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if (($anchor ne '') && (!$enc || $env{'request.role.adv'})) { |
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$addanchor = 1; |
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$url =~ s/\#.+$//; |
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} |
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$url = &add_get_param($url, { 'symb' => $redirectsymb}); |
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if ($addanchor) { |
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$url .= $anchor; |
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} |
} |
} |
&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
$r->header_out(Location => $url); |
$r->header_out(Location => $url); |
return REDIRECT; |
return REDIRECT; |
} else { |
} else { |
Line 450 sub handler {
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Line 522 sub handler {
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'pick' => |
'pick' => |
'Please click on the the resource you intend to access', |
'Please click on the the resource you intend to access', |
'titleheader' => 'Title', |
'titleheader' => 'Title', |
'type' => 'Type'); |
'type' => 'Type', |
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'update' => 'Content updated', |
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'expupdate' => 'As a result of a recent update to the sequence of materials, it is not possible to complete the page flip.', |
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'gonav' => 'Go to the Contents page to select a resource to display.', |
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); |
if (&Apache::loncommon::course_type() eq 'Community') { |
if (&Apache::loncommon::course_type() eq 'Community') { |
$lt{'nav'} = &mt('Community Contents'); |
$lt{'nav'} = &mt('Community Contents'); |
} |
} |
Line 479 ENDSTART
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Line 555 ENDSTART
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} |
} |
$r->print('</table>'); |
$r->print('</table>'); |
} else { |
} else { |
$r->print( |
if ($reinitcheck) { |
&Apache::loncommon::start_page('No Resource') |
if (&Apache::loncommon::course_type() eq 'Community') { |
.'<h2>'.$lt{'title'}.'</h2>' |
$r->print( |
.'<p>'.$lt{'explain'}.'</p>'); |
&Apache::loncommon::start_page('Community Contents Updated')); |
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} else { |
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$r->print( |
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&Apache::loncommon::start_page('Course Contents Updated')); |
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} |
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$r->print('<h2>'.$lt{'update'}.'</h2>' |
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.'<p>'.$lt{'expupdate'}.'<br />' |
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.$lt{'gonav'}.'</p>'); |
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} else { |
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if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') && |
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(!$env{'request.role.adv'})) { |
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my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1); |
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if ($incomplete) { |
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$r->print(&Apache::lonplacementtest::showincomplete($incomplete)); |
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} else { |
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$r->print(&Apache::lonplacementtest::showresult(1)); |
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} |
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} else { |
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$r->print( |
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&Apache::loncommon::start_page('No Resource') |
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.'<h2>'.$lt{'title'}.'</h2>' |
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.'<p>'.$lt{'explain'}.'</p>'); |
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} |
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} |
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} |
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unless (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') || |
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($env{'request.role.adv'})) { |
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if ((!@possibilities) && ($reinitcheck)) { |
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$r->print( |
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&Apache::lonhtmlcommon::actionbox( |
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['<a href="/adm/navmaps">'.$lt{'nav'}.'</a></li>' |
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])); |
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} else { |
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$r->print( |
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&Apache::lonhtmlcommon::actionbox( |
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['<a href="/adm/flip?postdata=return:">'.$lt{'back'}.'</a></li>', |
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'<a href="/adm/navmaps">'.$lt{'nav'}.'</a></li>' |
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])); |
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} |
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} |
} |
$r->print( |
$r->print(&Apache::loncommon::end_page()); |
&Apache::lonhtmlcommon::actionbox( |
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['<a href="/adm/flip?postdata=return:">'.$lt{'back'}.'</a></li>', |
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'<a href="/adm/navmaps">'.$lt{'nav'}.'</a></li>' |
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]) |
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.&Apache::loncommon::end_page()); |
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return OK; |
return OK; |
} |
} |
} else { |
} else { |