version 1.80.8.3, 2013/12/13 14:48:05
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version 1.89, 2015/03/23 00:03:16
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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::lonuserstate; |
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use Apache::lonlocal; |
use HTML::TokeParser; |
use HTML::TokeParser; |
use GDBM_File; |
use GDBM_File; |
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Line 217 sub get_next_possible_move {
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Line 219 sub get_next_possible_move {
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return ($next,$mapurl); |
return ($next,$mapurl); |
} |
} |
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sub navlaunch { |
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my ($r)=@_; |
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&Apache::loncommon::content_type($r,'text/html'); |
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&Apache::loncommon::no_cache($r); |
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$r->send_http_header; |
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$r->print(&Apache::loncommon::start_page('Launched')); |
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$r->print(<<ENDNAV); |
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<p><a href="/adm/flip?postdata=firstres%3a">Goto first resource</a></p> |
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<script type="text/javascript"> |
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function collapse() { |
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menu=window.open("/adm/navmaps?collapseExternal","loncapanav", |
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"height=600,width=400,scrollbars=1"); |
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this.document.location='/adm/navmaps?turningOffExternal'; |
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} |
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</script> |
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<p><a href="javascript:collapse();">Collapse external navigation window</a></p> |
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ENDNAV |
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$r->print(&Apache::loncommon::end_page()); |
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} |
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sub first_accessible_resource { |
sub first_accessible_resource { |
my $furl; |
my $furl; |
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'.db', |
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'.db', |
Line 248 sub first_accessible_resource {
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Line 230 sub first_accessible_resource {
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my ($name,$value) = split(/=/,$pair); |
my ($name,$value) = split(/=/,$pair); |
$args{&unescape($name)} = &unescape($value); |
$args{&unescape($name)} = &unescape($value); |
} |
} |
if ((($env{'environment.remotenavmap'} eq 'on') && ($furl =~ m{^/adm/navmaps})) || |
if (!&Apache::lonnet::allowed('bre',$url,$args{'symb'})) { |
(!&Apache::lonnet::allowed('bre',$url,$args{'symb'}))) { |
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# Wow, we cannot see this ... move forward to the next one that we can see |
# Wow, we cannot see this ... move forward to the next one that we can see |
my ($newrid,$newmap)=&move($hash{'first_rid'},$hash{'first_mapurl'},'forward'); |
my ($newrid,$newmap)=&move($hash{'first_rid'},$hash{'first_mapurl'},'forward'); |
# Build the new URL |
# Build the new URL |
Line 288 sub handler {
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Line 269 sub handler {
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my @possibilities=(); |
my @possibilities=(); |
&Apache::loncommon::get_unprocessed_cgi($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'})) { |
$env{'form.postdata'}=~/(\w+)\:(.*)/; |
my ($direction,$currenturl) = ($env{'form.postdata'}=~/(\w+)\:(.*)/); |
my $direction=$1; |
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my $currenturl=$2; |
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if ($currenturl=~m|^/enc/|) { |
if ($currenturl=~m|^/enc/|) { |
$currenturl=&Apache::lonenc::unencrypted($currenturl); |
$currenturl=&Apache::lonenc::unencrypted($currenturl); |
} |
} |
$currenturl=~s/\.\d+\.(\w+)$/\.$1/; |
$currenturl=~s/\.\d+\.(\w+)$/\.$1/; |
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$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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} |
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if ($env{'request.course.id'}) { |
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# Check if course needs to be re-initialized |
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my $loncaparev = $r->dir_config('lonVersion'); |
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($reinitcheck,my @reinit) = &Apache::loncommon::needs_coursereinit($loncaparev); |
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if ($reinitcheck eq 'switch') { |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->send_http_header; |
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$r->print(&Apache::loncommon::check_release_result(@reinit)); |
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return OK; |
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} elsif ($reinitcheck eq 'update') { |
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my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; |
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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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} |
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my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum"); |
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if ($ferr) { |
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my $requrl = $r->uri; |
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$env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; |
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$env{'user.reinit'} = 1; |
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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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} |
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} |
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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($r,'text/html'); |
Line 303 sub handler {
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Line 328 sub handler {
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return REDIRECT; |
return REDIRECT; |
} |
} |
if ($direction eq 'return' || $direction eq 'navlaunch') { |
if ($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',$env{'request.course.fn'}.'.db', |
&GDBM_READER(),0640))) { |
&GDBM_READER(),0640))) { |
Line 319 sub handler {
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Line 338 sub handler {
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$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'; |
} |
} |
Line 327 sub handler {
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Line 345 sub handler {
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} else { |
} else { |
$newloc='/adm/navmaps'; |
$newloc='/adm/navmaps'; |
} |
} |
if (($newloc =~ m{^/adm/navmaps}) && ($direction eq 'navlaunch')) { |
&Apache::loncommon::content_type($r,'text/html'); |
&navlaunch($r); |
$r->header_out(Location => |
return OK; |
&Apache::lonnet::absolute_url().$newloc); |
} else { |
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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().$newloc); |
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return REDIRECT; |
return REDIRECT; |
} |
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} |
} |
$currenturl=~s/^https?\:\/\///; |
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$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 { |
if ($direction eq 'return') { |
&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
$r->header_out(Location => |
$r->header_out(Location => |
&Apache::lonnet::absolute_url(). |
&Apache::lonnet::absolute_url(). |
'/adm/navmaps'); |
'/adm/noidea.html'); |
return REDIRECT; |
return REDIRECT; |
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} else { |
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&navlaunch($r); |
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return OK; |
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} |
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} |
} |
} |
} |
# ------------------------------------------- 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 420 sub handler {
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Line 434 sub handler {
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untie(%hash); |
untie(%hash); |
# --------------------------------------------------------- Store position info |
# --------------------------------------------------------- Store position info |
$cachehash{$startoutmap}{'last_direction'}=[$direction,'notasymb']; |
$cachehash{$startoutmap}{'last_direction'}=[$direction,'notasymb']; |
foreach my $thismap (keys %cachehash) { |
foreach my $thismap (keys(%cachehash)) { |
my $mapnum=$cachehash{$thismap}->{'mapnum'}; |
my $mapnum=$cachehash{$thismap}->{'mapnum'}; |
delete($cachehash{$thismap}->{'mapnum'}); |
delete($cachehash{$thismap}->{'mapnum'}); |
&Apache::lonnet::symblist($thismap, |
&Apache::lonnet::symblist($thismap, |
Line 435 sub handler {
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Line 449 sub handler {
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if ($direction eq 'back') { |
if ($direction eq 'back') { |
&Apache::lonnet::linklog($redirecturl,$currenturl); |
&Apache::lonnet::linklog($redirecturl,$currenturl); |
} |
} |
# ------------------------------------------------- Check for critical messages |
# ------------------------------------- Check for and display critical messages |
if ((time-$env{'user.criticalcheck.time'})>300) { |
my ($redirect, $url) = &Apache::loncommon::critical_redirect(300); |
my @what=&Apache::lonnet::dump |
unless ($redirect) { |
('critical',$env{'user.domain'}, |
$url=&Apache::lonnet::absolute_url().$redirecturl; |
$env{'user.name'}); |
$url = &add_get_param($url, { 'symb' => $redirectsymb}); |
if ($what[0]) { |
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if (($what[0] ne 'con_lost') && |
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($what[0]!~/^error\:/)) { |
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$redirecturl='/adm/email?critical=display'; |
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$redirectsymb=''; |
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} |
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} |
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&Apache::lonnet::appenv({'user.criticalcheck.time'=>time}); |
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} |
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if (($redirecturl =~ m{^/adm/navmaps}) && |
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($env{'environment.remotenavmap'} eq 'on')) { |
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&navlaunch($r); |
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return OK; |
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} |
} |
&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
my $url=&Apache::lonnet::absolute_url().$redirecturl; |
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$url = &add_get_param($url, { 'symb' => $redirectsymb}); |
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$r->header_out(Location => $url); |
$r->header_out(Location => $url); |
return REDIRECT; |
return REDIRECT; |
} else { |
} else { |
Line 474 sub handler {
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Line 472 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.'); |
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 503 ENDSTART
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Line 504 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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.$lt{'gonav'}.'</p>'); |
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} else { |
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$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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} |
} |
} |
$r->print( |
if ((!@possibilities) && ($reinitcheck)) { |
&Apache::lonhtmlcommon::actionbox( |
$r->print( |
['<a href="/adm/flip?postdata=return:">'.$lt{'back'}.'</a></li>', |
&Apache::lonhtmlcommon::actionbox( |
'<a href="/adm/navmaps">'.$lt{'nav'}.'</a></li>' |
['<a href="/adm/navmaps">'.$lt{'nav'}.'</a></li>' |
]) |
])); |
.&Apache::loncommon::end_page()); |
} 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(&Apache::loncommon::end_page()); |
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return OK; |
return OK; |
} |
} |
} else { |
} else { |
Line 567 described at http://www.lon-capa.org.
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Line 589 described at http://www.lon-capa.org.
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=item get_next_possible_move() |
=item get_next_possible_move() |
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=item navlaunch() |
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=item first_accessible_resource() |
=item first_accessible_resource() |
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=item handler() |
=item handler() |