version 1.12, 2000/11/14 19:14:03
|
version 1.15, 2001/05/03 15:54:06
|
Line 10
|
Line 10
|
# 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23, |
# 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23, |
# 10/02 Gerd Kortemeyer) |
# 10/02 Gerd Kortemeyer) |
# |
# |
# 10/03,10/05,10/06,10/07,10/09,10/10,10/11,10/16,10/17,11/14 Gerd Kortemeyer |
# 10/03,10/05,10/06,10/07,10/09,10/10,10/11,10/16,10/17, |
|
# 11/14,11/16, |
|
# 10/01/01,05/01 Gerd Kortemeyer |
|
|
package Apache::lonpageflip; |
package Apache::lonpageflip; |
|
|
Line 37 sub addrid {
|
Line 39 sub addrid {
|
return $current; |
return $current; |
} |
} |
|
|
|
sub move { |
|
my ($rid,$mapurl,$direction)=@_; |
|
|
|
my $next=''; |
|
|
|
my $mincond=1; |
|
my $posnext=''; |
|
if ($direction eq 'forward') { |
|
# --------------------------------------------------------------------- Forward |
|
if ($hash{'type_'.$rid} eq 'finish') { |
|
$rid=$hash{'ids_/res/'.$mapurl}; |
|
} |
|
map { |
|
my $thiscond= |
|
&Apache::lonnet::directcondval($hash{'condid_'.$hash{'undercond_'.$_}}); |
|
if ($thiscond>=$mincond) { |
|
if ($posnext) { |
|
$posnext.=','.$_.':'.$thiscond; |
|
} else { |
|
$posnext=$_.':'.$thiscond; |
|
} |
|
if ($thiscond>$mincond) { $mincond=$thiscond; } |
|
} |
|
} split(/\,/,$hash{'to_'.$rid}); |
|
map { |
|
my ($linkid,$condval)=split(/\:/,$_); |
|
if ($condval>=$mincond) { |
|
$next=&addrid($next,$hash{'goesto_'.$linkid}, |
|
$hash{'condid_'.$hash{'undercond_'.$linkid}}); |
|
} |
|
} split(/\,/,$posnext); |
|
if ($hash{'is_map_'.$next}) { |
|
if ( |
|
$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$next}}} eq 'sequence') { |
|
$mapurl=$hash{'src_'.$next}; |
|
$next=$hash{'map_start_'.$hash{'src_'.$next}}; |
|
} |
|
} |
|
} elsif ($direction eq 'back') { |
|
# ------------------------------------------------------------------- Backwards |
|
if ($hash{'type_'.$rid} eq 'start') { |
|
$rid=$hash{'ids_/res/'.$mapurl}; |
|
} |
|
map { |
|
my $thiscond= |
|
&Apache::lonnet::directcondval($hash{'condid_'.$hash{'undercond_'.$_}}); |
|
if ($thiscond>=$mincond) { |
|
if ($posnext) { |
|
$posnext.=','.$_.':'.$thiscond; |
|
} else { |
|
$posnext=$_.':'.$thiscond; |
|
} |
|
if ($thiscond>$mincond) { $mincond=$thiscond; } |
|
} |
|
} split(/\,/,$hash{'from_'.$rid}); |
|
map { |
|
my ($linkid,$condval)=split(/\:/,$_); |
|
if ($condval>=$mincond) { |
|
$next=&addrid($next,$hash{'comesfrom_'.$linkid}, |
|
$hash{'condid_'.$hash{'undercond_'.$linkid}}); |
|
} |
|
} split(/\,/,$posnext); |
|
if ($hash{'is_map_'.$next}) { |
|
if ( |
|
$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$next}}} eq 'sequence') { |
|
$mapurl=$hash{'src_'.$next}; |
|
$next=$hash{'map_finish_'.$hash{'src_'.$next}}; |
|
} |
|
} |
|
} elsif ($direction eq 'up') { |
|
# -------------------------------------------------------------------------- Up |
|
} elsif ($direction eq 'down') { |
|
# ------------------------------------------------------------------------ Down |
|
} |
|
|
|
return ($next,$mapurl); |
|
} |
|
|
# ================================================================ Main Handler |
# ================================================================ Main Handler |
|
|
sub handler { |
sub handler { |
Line 109 sub handler {
|
Line 189 sub handler {
|
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_/res/'.$mapurl}.'.'.$mapnum; |
my $rid=$hash{'map_pc_/res/'.$mapurl}.'.'.$mapnum; |
my $next=''; |
|
my $mincond=1; |
# ------------------------------------------------- Move forward, backward, etc |
my $posnext=''; |
|
if ($direction eq 'forward') { |
($next,$mapurl)=&move($rid,$mapurl,$direction); |
# --------------------------------------------------------------------- Forward |
# -------------------------------------- Do we have one and only one empty URL? |
map { |
my $safecount=0; |
my $thiscond= |
while (($next) && ($next!~/\,/) && (!$hash{'src_'.$next}) |
&Apache::lonnet::directcondval($hash{'condid_'.$hash{'undercond_'.$_}}); |
&& ($safecount<25)) { |
if ($thiscond>=$mincond) { |
($next,$mapurl)=&move($next,$mapurl,$direction); |
if ($posnext) { |
$safecount++; |
$posnext.=','.$_.':'.$thiscond; |
} |
} else { |
|
$posnext=$_.':'.$thiscond; |
|
} |
|
if ($thiscond>$mincond) { $mincond=$thiscond; } |
|
} |
|
} split(/\,/,$hash{'to_'.$rid}); |
|
map { |
|
my ($linkid,$condval)=split(/\:/,$_); |
|
if ($condval>=$mincond) { |
|
$next=&addrid($next,$hash{'goesto_'.$linkid}, |
|
$hash{'condid_'.$hash{'undercond_'.$linkid}}); |
|
} |
|
} split(/\,/,$posnext); |
|
} elsif ($direction eq 'back') { |
|
# ------------------------------------------------------------------- Backwards |
|
map { |
|
my $thiscond= |
|
&Apache::lonnet::directcondval($hash{'condid_'.$hash{'undercond_'.$_}}); |
|
if ($thiscond>=$mincond) { |
|
if ($posnext) { |
|
$posnext.=','.$_.':'.$thiscond; |
|
} else { |
|
$posnext=$_.':'.$thiscond; |
|
} |
|
if ($thiscond>$mincond) { $mincond=$thiscond; } |
|
} |
|
} split(/\,/,$hash{'from_'.$rid}); |
|
map { |
|
my ($linkid,$condval)=split(/\:/,$_); |
|
if ($condval>=$mincond) { |
|
$next=&addrid($next,$hash{'comesfrom_'.$linkid}, |
|
$hash{'condid_'.$hash{'undercond_'.$linkid}}); |
|
} |
|
} split(/\,/,$posnext); |
|
} elsif ($direction eq 'up') { |
|
# -------------------------------------------------------------------------- Up |
|
} elsif ($direction eq 'down') { |
|
# ------------------------------------------------------------------------ Down |
|
} |
|
# ----------------------------------------------------- Check out possibilities |
# ----------------------------------------------------- Check out possibilities |
if ($next) { |
if ($next) { |
@possibilities=split(/\,/,$next); |
@possibilities=split(/\,/,$next); |
Line 167 sub handler {
|
Line 208 sub handler {
|
$redirecturl=$hash{'src_'.$next}; |
$redirecturl=$hash{'src_'.$next}; |
$cachehash{&Apache::lonnet::declutter($redirecturl)} |
$cachehash{&Apache::lonnet::declutter($redirecturl)} |
=(split(/\./,$next))[1]; |
=(split(/\./,$next))[1]; |
if ($hash{'param_'.$next}) { |
|
my ($mapid,$resid)=split(/\./,$next); |
|
&Apache::lonnet::appendparms( |
|
&Apache::lonnet::declutter($hash{'map_id_'.$mapid}). |
|
'___'.$resid.'___'. |
|
&Apache::lonnet::declutter($redirecturl), |
|
$hash{'param_'.$next}); |
|
} |
|
} else { |
} else { |
# ------------------------ There are multiple possibilities for a next resource |
# ------------------------ There are multiple possibilities for a next resource |
$multichoice=1; |
$multichoice=1; |
Line 188 sub handler {
|
Line 221 sub handler {
|
{'src_'.$_} |
{'src_'.$_} |
)} |
)} |
=(split(/\./,$_))[1]; |
=(split(/\./,$_))[1]; |
if ($hash{'param_'.$_}) { |
|
my ($mapid,$resid)=split(/\./,$_); |
|
&Apache::lonnet::appendparms( |
|
&Apache::lonnet::declutter($hash{'map_id_'.$mapid}). |
|
'___'.$resid.'___'. |
|
&Apache::lonnet::declutter($hash{'src_'.$_}), |
|
$hash{'param_'.$_}); |
|
} |
|
} @possibilities; |
} @possibilities; |
} |
} |
} else { |
} else { |