version 1.52, 2005/03/01 00:22:57
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version 1.57, 2005/11/08 17:57:53
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Line 31 package Apache::lonpageflip;
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Line 31 package Apache::lonpageflip;
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use strict; |
use strict; |
use Apache::Constants qw(:common :http REDIRECT); |
use Apache::Constants qw(:common :http REDIRECT); |
use Apache::lonnet(); |
use Apache::lonnet; |
use HTML::TokeParser; |
use HTML::TokeParser; |
use GDBM_File; |
use GDBM_File; |
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Line 63 sub addrid {
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Line 63 sub addrid {
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sub fullmove { |
sub fullmove { |
my ($rid,$mapurl,$direction)=@_; |
my ($rid,$mapurl,$direction)=@_; |
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'.db', |
&GDBM_READER(),0640)) { |
&GDBM_READER(),0640)) { |
($rid,$mapurl)=&move($rid,$mapurl,$direction); |
($rid,$mapurl)=&move($rid,$mapurl,$direction); |
untie(%hash); |
untie(%hash); |
Line 73 sub fullmove {
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Line 73 sub fullmove {
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sub hash_src { |
sub hash_src { |
my ($id)=@_; |
my ($id)=@_; |
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my ($mapid,$resid)=split(/\./,$id); |
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my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid}, |
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$resid,$hash{'src_'.$id}); |
if ($hash{'encrypted_'.$id}) { |
if ($hash{'encrypted_'.$id}) { |
return &Apache::lonenc::encrypted($hash{'src_'.$id}); |
return (&Apache::lonenc::encrypted($hash{'src_'.$id}), |
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&Apache::lonenc::encrypted($symb)); |
} |
} |
return $hash{'src_'.$id}; |
return ($hash{'src_'.$id},$symb); |
} |
} |
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sub move { |
sub move { |
Line 171 sub move {
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Line 175 sub move {
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return ($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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my $html=&Apache::lonxml::xmlbegin(); |
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$r->print("$html<head>\n"); |
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$r->print('</head>'. |
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&Apache::loncommon::bodytag('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::endbodytag().'</html>'); |
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} |
# ================================================================ Main Handler |
# ================================================================ Main Handler |
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sub handler { |
sub handler { |
Line 187 sub handler {
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Line 213 sub handler {
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my %cachehash=(); |
my %cachehash=(); |
my $multichoice=0; |
my $multichoice=0; |
my %multichoicehash=(); |
my %multichoicehash=(); |
my $redirecturl=''; |
my ($redirecturl,$redirectsymb); |
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'})) { |
$ENV{'form.postdata'}=~/(\w+)\:(.*)/; |
$env{'form.postdata'}=~/(\w+)\:(.*)/; |
my $direction=$1; |
my $direction=$1; |
my $currenturl=$2; |
my $currenturl=$2; |
if ($currenturl=~m|^/enc/|) { |
if ($currenturl=~m|^/enc/|) { |
$currenturl=&Apache::lonenc::unencrypted($currenturl); |
$currenturl=&Apache::lonenc::unencrypted($currenturl); |
} |
} |
$currenturl=~s/\.\d+\.(\w+)$/\.$1/; |
$currenturl=~s/\.\d+\.(\w+)$/\.$1/; |
if ($direction eq 'return') { |
if ($direction eq 'firstres') { |
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my $furl; |
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if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db', |
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&GDBM_READER(),0640)) { |
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$furl=$bighash{'first_url'}; |
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untie(%bighash); |
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} |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->header_out(Location => |
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'http://'.$ENV{'HTTP_HOST'}.$furl); |
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return REDIRECT; |
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} |
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if ($direction eq 'return' || $direction eq 'navlaunch') { |
# -------------------------------------------------------- Return to last known |
# -------------------------------------------------------- Return to last known |
my $last; |
my $last; |
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', |
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
&GDBM_READER(),0640)) { |
&GDBM_READER(),0640)) { |
$last=$hash{'last_known'}; |
$last=$hash{'last_known'}; |
untie(%hash); |
untie(%hash); |
} |
} |
my $newloc; |
my $newloc; |
if (($last) && (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
if (($last) && (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'.db', |
&GDBM_READER(),0640))) { |
&GDBM_READER(),0640))) { |
my ($murl,$id,$fn)=&Apache::lonnet::decode_symb($last); |
my ($murl,$id,$fn)=&Apache::lonnet::decode_symb($last); |
$id=$hash{'map_pc_'.&Apache::lonnet::clutter($murl)}.'.'.$id; |
$id=$hash{'map_pc_'.&Apache::lonnet::clutter($murl)}.'.'.$id; |
Line 217 sub handler {
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Line 256 sub handler {
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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/noidea.html'; |
$newloc='/adm/navmaps'; |
} |
} |
untie %hash; |
untie %hash; |
} else { |
} else { |
$newloc='/adm/noidea.html'; |
$newloc='/adm/navmaps'; |
} |
} |
&Apache::loncommon::content_type($r,'text/html'); |
if ($newloc eq '/adm/navmaps' && $direction eq 'navlaunch') { |
$r->header_out(Location => |
&navlaunch($r); |
'http://'.$ENV{'HTTP_HOST'}.$newloc); |
return OK; |
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} else { |
return REDIRECT; |
&Apache::loncommon::content_type($r,'text/html'); |
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$r->header_out(Location => |
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'http://'.$ENV{'HTTP_HOST'}.$newloc); |
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return REDIRECT; |
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} |
} |
} |
$currenturl=~s/^http\:\/\///; |
$currenturl=~s/^http\:\/\///; |
$currenturl=~s/^[^\/]+//; |
$currenturl=~s/^[^\/]+//; |
Line 236 sub handler {
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Line 280 sub handler {
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# |
# |
unless (&Apache::lonnet::is_on_map($currenturl)) { |
unless (&Apache::lonnet::is_on_map($currenturl)) { |
my $last; |
my $last; |
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', |
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
&GDBM_READER(),0640)) { |
&GDBM_READER(),0640)) { |
$last=$hash{'last_known'}; |
$last=$hash{'last_known'}; |
untie(%hash); |
untie(%hash); |
Line 244 sub handler {
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Line 288 sub handler {
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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($r,'text/html'); |
if ($direction eq 'return') { |
$r->header_out(Location => |
&Apache::loncommon::content_type($r,'text/html'); |
'http://'.$ENV{'HTTP_HOST'}.'/adm/noidea.html'); |
$r->header_out(Location => |
return REDIRECT; |
'http://'.$ENV{'HTTP_HOST'}.'/adm/noidea.html'); |
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return REDIRECT; |
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} else { |
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&navlaunch($r); |
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return OK; |
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} |
} |
} |
} |
} |
# ------------------------------------------- Do we have any idea where we are? |
# ------------------------------------------- Do we have any idea where we are? |
Line 260 sub handler {
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Line 309 sub handler {
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[&Apache::lonnet::declutter($currenturl),$mapnum]; |
[&Apache::lonnet::declutter($currenturl),$mapnum]; |
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# ============================================================ Tie the big hash |
# ============================================================ Tie the big hash |
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'.db', |
&GDBM_READER(),0640)) { |
&GDBM_READER(),0640)) { |
my $rid=$hash{'map_pc_'.&Apache::lonnet::clutter($startoutmap)}. |
my $rid=$hash{'map_pc_'.&Apache::lonnet::clutter($startoutmap)}. |
'.'.$mapnum; |
'.'.$mapnum; |
Line 272 sub handler {
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Line 321 sub handler {
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my $safecount=0; |
my $safecount=0; |
while (($next) && ($next!~/\,/) && |
while (($next) && ($next!~/\,/) && |
((!$hash{'src_'.$next}) || |
((!$hash{'src_'.$next}) || |
((!$ENV{'request.role.adv'}) && $hash{'randomout_'.$next})) |
((!$env{'request.role.adv'}) && $hash{'randomout_'.$next})) |
&& ($safecount<10000)) { |
&& ($safecount<10000)) { |
($next,$endupmap)=&move($next,$endupmap,$direction); |
($next,$endupmap)=&move($next,$endupmap,$direction); |
$safecount++; |
$safecount++; |
Line 283 sub handler {
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Line 332 sub handler {
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@possibilities=split(/\,/,$next); |
@possibilities=split(/\,/,$next); |
if ($#possibilities==0) { |
if ($#possibilities==0) { |
# ---------------------------------------------- Only one possibility, redirect |
# ---------------------------------------------- Only one possibility, redirect |
$redirecturl=&hash_src($next); |
($redirecturl,$redirectsymb)=&hash_src($next); |
$cachehash{$endupmap}{$redirecturl}= |
$cachehash{$endupmap}{$redirecturl}= |
[$redirecturl,(split(/\./,$next))[1]]; |
[$redirecturl,(split(/\./,$next))[1]]; |
} else { |
} else { |
Line 329 sub handler {
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Line 378 sub handler {
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&Apache::lonnet::linklog($redirecturl,$currenturl); |
&Apache::lonnet::linklog($redirecturl,$currenturl); |
} |
} |
# ------------------------------------------------- Check for critical messages |
# ------------------------------------------------- Check for critical messages |
if ((time-$ENV{'user.criticalcheck.time'})>300) { |
if ((time-$env{'user.criticalcheck.time'})>300) { |
my @what=&Apache::lonnet::dump |
my @what=&Apache::lonnet::dump |
('critical',$ENV{'user.domain'}, |
('critical',$env{'user.domain'}, |
$ENV{'user.name'}); |
$env{'user.name'}); |
if ($what[0]) { |
if ($what[0]) { |
if (($what[0] ne 'con_lost') && |
if (($what[0] ne 'con_lost') && |
($what[0]!~/^error\:/)) { |
($what[0]!~/^error\:/)) { |
$redirecturl='/adm/email?critical=display'; |
$redirecturl='/adm/email?critical=display'; |
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$redirectsymb=''; |
} |
} |
} |
} |
&Apache::lonnet::appenv('user.criticalcheck.time'=>time); |
&Apache::lonnet::appenv('user.criticalcheck.time'=>time); |
} |
} |
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&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
$r->header_out(Location => |
my $url='http://'.$ENV{'HTTP_HOST'}.$redirecturl; |
'http://'.$ENV{'HTTP_HOST'}.$redirecturl); |
if ($redirectsymb ne '') { $url.='?symb='.$redirectsymb; } |
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$r->header_out(Location => $url); |
return REDIRECT; |
return REDIRECT; |
} else { |
} else { |
# --------------------------------------------------------- There was a problem |
# --------------------------------------------------------- There was a problem |
Line 394 ENDNONE
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Line 445 ENDNONE
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} |
} |
} else { |
} else { |
# ------------------------------------------------- Problem, could not tie hash |
# ------------------------------------------------- Problem, could not tie hash |
$ENV{'user.error.msg'}="/adm/flip:bre:0:1:Course Data Missing"; |
$env{'user.error.msg'}="/adm/flip:bre:0:1:Course Data Missing"; |
return HTTP_NOT_ACCEPTABLE; |
return HTTP_NOT_ACCEPTABLE; |
} |
} |
} else { |
} else { |
Line 406 ENDNONE
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Line 457 ENDNONE
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} |
} |
} else { |
} else { |
# -------------------------- Class was not initialized or page fliped strangely |
# -------------------------- Class was not initialized or page fliped strangely |
$ENV{'user.error.msg'}="/adm/flip:bre:0:0:Choose Course"; |
$env{'user.error.msg'}="/adm/flip:bre:0:0:Choose Course"; |
return HTTP_NOT_ACCEPTABLE; |
return HTTP_NOT_ACCEPTABLE; |
} |
} |
} |
} |