--- rat/lonpageflip.pm 2015/03/23 12:49:10 1.80.8.8
+++ rat/lonpageflip.pm 2020/05/25 16:42:59 1.80.8.10.2.1
@@ -2,7 +2,7 @@
#
# Page flip handler
#
-# $Id: lonpageflip.pm,v 1.80.8.8 2015/03/23 12:49:10 raeburn Exp $
+# $Id: lonpageflip.pm,v 1.80.8.10.2.1 2020/05/25 16:42:59 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -83,11 +83,18 @@ sub hash_src {
my ($mapid,$resid)=split(/\./,$id);
my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},
$resid,$hash{'src_'.$id});
+ my $anchor;
+ if ($hash{'ext_'.$id} eq 'true:') {
+ if ($hash{'src_'.$id} =~ /(\#.+)$/) {
+ $anchor = $1;
+ }
+ }
if ($hash{'encrypted_'.$id}) {
return (&Apache::lonenc::encrypted($hash{'src_'.$id}),
- &Apache::lonenc::encrypted($symb));
+ &Apache::lonenc::encrypted($symb),
+ $hash{'encrypted_'.$id},$anchor);
}
- return ($hash{'src_'.$id},$symb);
+ return ($hash{'src_'.$id},$symb,$hash{'encrypted_'.$id},$anchor);
}
sub move {
@@ -248,6 +255,28 @@ sub first_accessible_resource {
}
}
+sub reinited_js {
+ my ($url,$cid,$timeout) = @_;
+ if (!$timeout) {
+ $timeout = 0;
+ }
+ return <<"END";
+
+END
+}
+
# ================================================================ Main Handler
sub handler {
@@ -264,7 +293,8 @@ sub handler {
my %cachehash=();
my $multichoice=0;
my %multichoicehash=();
- my ($redirecturl,$redirectsymb);
+ my %prog_state=();
+ my ($redirecturl,$redirectsymb,$enc,$anchor);
my $next='';
my @possibilities=();
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['postdata']);
@@ -304,8 +334,20 @@ sub handler {
untie(%hash);
}
}
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ $r->print(&Apache::loncommon::start_page('Content Changed'));
+ my $preamble = '
'.
+ '
'.
+ &mt('Your course session is being updated because of recent changes by course personnel.').
+ ' '.&mt('Please be patient.').'
'.
+ '';
+ %prog_state = &Apache::lonhtmlcommon::Create_PrgWin($r,undef,$preamble);
+ &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Updating course'));
my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
+ &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Finished'));
if ($ferr) {
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
my $requrl = $r->uri;
$env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
$env{'user.reinit'} = 1;
@@ -322,11 +364,17 @@ sub handler {
}
if ($direction eq 'firstres') {
my $furl=&first_accessible_resource();
- &Apache::loncommon::content_type($r,'text/html');
- $r->header_out(Location =>
- &Apache::lonnet::absolute_url().$furl);
-
- return REDIRECT;
+ $furl=&Apache::lonnet::absolute_url().$furl;
+ if ($reinitcheck eq 'update') {
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ $r->print(&reinited_js($furl,$env{'request.course.id'},100));
+ $r->print(&Apache::loncommon::end_page());
+ return OK;
+ } else {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->header_out(Location => $furl);
+ return REDIRECT;
+ }
}
if ($direction eq 'return') {
# -------------------------------------------------------- Return to last known
@@ -345,11 +393,16 @@ sub handler {
} else {
$newloc='/adm/navmaps';
}
- &Apache::loncommon::content_type($r,'text/html');
- $r->header_out(Location =>
- &Apache::lonnet::absolute_url().$newloc);
-
- return REDIRECT;
+ $newloc=&Apache::lonnet::absolute_url().$newloc;
+ if ($reinitcheck eq 'update') {
+ $r->print(&reinited_js($newloc,$env{'request.course.id'},100));
+ $r->print(&Apache::loncommon::end_page());
+ return OK;
+ } else {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->header_out(Location => $newloc);
+ return REDIRECT;
+ }
}
#
# Is the current URL on the map? If not, start with last known URL
@@ -363,15 +416,21 @@ sub handler {
$last=$hash{'last_known'};
untie(%hash);
}
- my $newloc;
if ($last) {
$currenturl=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($last))[2]);
} else {
- &Apache::loncommon::content_type($r,'text/html');
- $r->header_out(Location =>
- &Apache::lonnet::absolute_url().
- '/adm/navmaps');
- return REDIRECT;
+ my $newloc = &Apache::lonnet::absolute_url().
+ '/adm/navmaps';
+ if ($reinitcheck eq 'update') {
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ $r->print(&reinited_js($newloc,$env{'request.course.id'},100));
+ $r->print(&Apache::loncommon::end_page());
+ return OK;
+ } else {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->header_out(Location => $newloc);
+ return REDIRECT;
+ }
}
}
# ------------------------------------------- Do we have any idea where we are?
@@ -404,7 +463,7 @@ sub handler {
@possibilities=split(/\,/,$next);
if ($#possibilities==0) {
# ---------------------------------------------- Only one possibility, redirect
- ($redirecturl,$redirectsymb)=&hash_src($next);
+ ($redirecturl,$redirectsymb,$enc,$anchor)=&hash_src($next);
$cachehash{$endupmap}{$redirecturl}=
[$redirecturl,(split(/\./,$next))[1]];
} else {
@@ -450,14 +509,29 @@ sub handler {
&Apache::lonnet::linklog($redirecturl,$currenturl);
}
# ------------------------------------- Check for and display critical messages
- my ($redirect, $url) = &Apache::loncommon::critical_redirect(300);
+ my ($redirect, $url) = &Apache::loncommon::critical_redirect(300,'flip');
unless ($redirect) {
$url=&Apache::lonnet::absolute_url().$redirecturl;
+ my $addanchor;
+ if (($anchor ne '') && (!$enc || $env{'request.role.adv'})) {
+ $addanchor = 1;
+ $url =~ s/\#.+$//;
+ }
$url = &add_get_param($url, { 'symb' => $redirectsymb});
+ if ($addanchor) {
+ $url .= $anchor;
+ }
+ }
+ if ($reinitcheck eq 'update') {
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ $r->print(&reinited_js($url,$env{'request.course.id'},100));
+ $r->print(&Apache::loncommon::end_page());
+ return OK;
+ } else {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->header_out(Location => $url);
+ return REDIRECT;
}
- &Apache::loncommon::content_type($r,'text/html');
- $r->header_out(Location => $url);
- return REDIRECT;
} else {
# --------------------------------------------------------- There was a problem
&Apache::loncommon::content_type($r,'text/html');
@@ -540,12 +614,23 @@ ENDSTART
}
} else {
# ------------------------------------------------- Problem, could not tie hash
+ if ($reinitcheck eq 'update') {
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ $r->print(&Apache::loncommon::end_page());
+ }
$env{'user.error.msg'}="/adm/flip:bre:0:1:Course Data Missing";
return HTTP_NOT_ACCEPTABLE;
}
} else {
# ---------------------------------------- No, could not determine where we are
- $r->internal_redirect('/adm/ambiguous');
+ my $newloc = '/adm/ambiguous';
+ if ($reinitcheck eq 'update') {
+ &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ $r->print(&reinited_js($newloc,$env{'request.course.id'},100));
+ $r->print(&Apache::loncommon::end_page());
+ } else {
+ $r->internal_redirect($newloc);
+ }
return OK;
}
} else {