version 1.21, 2002/04/11 18:19:46
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version 1.29, 2002/08/18 21:45:41
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Line 53 my %hash;
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Line 53 my %hash;
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sub addrid { |
sub addrid { |
my ($current,$new,$condid)=@_; |
my ($current,$new,$condid)=@_; |
unless ($condid) { $condid=0; } |
unless ($condid) { $condid=0; } |
if (&Apache::lonnet::allowed('bre',$hash{'src_'.$new})) { |
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if ($current) { |
if ($current) { |
$current.=','.$new; |
$current.=','.$new; |
} else { |
} else { |
$current=''.$new; |
$current=''.$new; |
} |
} |
} |
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return $current; |
return $current; |
} |
} |
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sub fullmove { |
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my ($rid,$mapurl,$direction)=@_; |
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if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
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&GDBM_READER(),0640)) { |
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($rid,$mapurl)=&move($rid,$mapurl,$direction); |
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untie(%hash); |
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} |
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return($rid,$mapurl); |
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} |
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sub move { |
sub move { |
my ($rid,$mapurl,$direction)=@_; |
my ($rid,$mapurl,$direction)=@_; |
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my $startoutrid=$rid; |
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my $next=''; |
my $next=''; |
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Line 73 sub move {
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Line 84 sub move {
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if ($direction eq 'forward') { |
if ($direction eq 'forward') { |
# --------------------------------------------------------------------- Forward |
# --------------------------------------------------------------------- Forward |
if ($hash{'type_'.$rid} eq 'finish') { |
if ($hash{'type_'.$rid} eq 'finish') { |
$rid=$hash{'ids_/res/'.$mapurl}; |
$rid=$hash{'ids_'.&Apache::lonnet::clutter($mapurl)}; |
} |
} |
map { |
map { |
my $thiscond= |
my $thiscond= |
Line 95 sub move {
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Line 106 sub move {
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} |
} |
} split(/\,/,$posnext); |
} split(/\,/,$posnext); |
if ($hash{'is_map_'.$next}) { |
if ($hash{'is_map_'.$next}) { |
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# This jumps to the beginning of a new map (going down level) |
if ( |
if ( |
$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$next}}} eq 'sequence') { |
$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$next}}} eq 'sequence') { |
$mapurl=$hash{'src_'.$next}; |
$mapurl=$hash{'src_'.$next}; |
$next=$hash{'map_start_'.$hash{'src_'.$next}}; |
$next=$hash{'map_start_'.$hash{'src_'.$next}}; |
} |
} |
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} elsif |
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((split(/\./,$startoutrid))[0]!=(split(/\./,$next))[0]) { |
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# This comes up from a map (coming up one level); |
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$mapurl=$hash{'map_id_'.(split(/\./,$next))[0]}; |
} |
} |
} elsif ($direction eq 'back') { |
} elsif ($direction eq 'back') { |
# ------------------------------------------------------------------- Backwards |
# ------------------------------------------------------------------- Backwards |
if ($hash{'type_'.$rid} eq 'start') { |
if ($hash{'type_'.$rid} eq 'start') { |
$rid=$hash{'ids_/res/'.$mapurl}; |
$rid=$hash{'ids_'.&Apache::lonnet::clutter($mapurl)}; |
} |
} |
map { |
map { |
my $thiscond= |
my $thiscond= |
Line 126 sub move {
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Line 142 sub move {
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} |
} |
} split(/\,/,$posnext); |
} split(/\,/,$posnext); |
if ($hash{'is_map_'.$next}) { |
if ($hash{'is_map_'.$next}) { |
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# This jumps to the end of a new map (going down one level) |
if ( |
if ( |
$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$next}}} eq 'sequence') { |
$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$next}}} eq 'sequence') { |
$mapurl=$hash{'src_'.$next}; |
$mapurl=$hash{'src_'.$next}; |
$next=$hash{'map_finish_'.$hash{'src_'.$next}}; |
$next=$hash{'map_finish_'.$hash{'src_'.$next}}; |
} |
} |
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} elsif |
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((split(/\./,$startoutrid))[0]!=(split(/\./,$next))[0]) { |
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# This comes back up from a map (going up one level); |
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$mapurl=$hash{'map_id_'.(split(/\./,$next))[0]}; |
} |
} |
} |
} |
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return ($next,$mapurl); |
return ($next,$mapurl); |
} |
} |
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Line 164 sub handler {
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Line 184 sub handler {
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# -------------------------------------------------------- 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) { |
if ($last) { |
$newloc='/res/'.(split(/\_\_\_/,$last))[1]; |
$newloc=&Apache::lonnet::clutter((split(/\_\_\_/,$last))[1]); |
} else { |
} else { |
$newloc='/adm/noidea.html'; |
$newloc='/adm/noidea.html'; |
} |
} |
Line 186 sub handler {
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Line 206 sub handler {
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($currenturl=~/^\/adm\/wrapper\//)) { |
($currenturl=~/^\/adm\/wrapper\//)) { |
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); |
} |
} |
if ($last) { |
if ($last) { |
$currenturl='/res/'.(split(/\_\_\_/,$last))[1]; |
$currenturl=&Apache::lonnet::clutter((split(/\_\_\_/,$last))[1]); |
} else { |
} else { |
$r->content_type('text/html'); |
$r->content_type('text/html'); |
$r->header_out(Location => |
$r->header_out(Location => |
Line 203 sub handler {
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Line 223 sub handler {
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my $position; |
my $position; |
if ($position=Apache::lonnet::symbread($currenturl)) { |
if ($position=Apache::lonnet::symbread($currenturl)) { |
# ------------------------------------------------------------------------- Yes |
# ------------------------------------------------------------------------- Yes |
my ($mapurl,$mapnum,$thisurl)=split(/\_\_\_/,$position); |
my ($startoutmap,$mapnum,$thisurl)=split(/\_\_\_/,$position); |
$cachehash{$mapurl}{$thisurl}=$mapnum; |
$cachehash{$startoutmap}{$thisurl}=$mapnum; |
$cachehash{$mapurl}{'last_known'}=&Apache::lonnet::declutter($currenturl); |
$cachehash{$startoutmap}{'last_known'}= |
my $startoutmap=$mapurl; |
&Apache::lonnet::declutter($currenturl); |
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# ============================================================ Tie the big hash |
# ============================================================ Tie the big hash |
if (tie(%hash,'GDBM_File',$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_/res/'.$mapurl}.'.'.$mapnum; |
my $rid=$hash{'map_pc_'.&Apache::lonnet::clutter($startoutmap)}. |
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'.'.$mapnum; |
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# ------------------------------------------------- Move forward, backward, etc |
# ------------------------------------------------- Move forward, backward, etc |
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my $endupmap; |
($next,$mapurl)=&move($rid,$mapurl,$direction); |
($next,$endupmap)=&move($rid,$startoutmap,$direction); |
# -------------------------------------- Do we have one and only one empty URL? |
# -------------------------------------- Do we have one and only one empty URL? |
my $safecount=0; |
my $safecount=0; |
while (($next) && ($next!~/\,/) && (!$hash{'src_'.$next}) |
while (($next) && ($next!~/\,/) && |
&& ($safecount<25)) { |
((!$hash{'src_'.$next}) || ($hash{'randomout_'.$next})) |
($next,$mapurl)=&move($next,$mapurl,$direction); |
&& ($safecount<10000)) { |
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($next,$endupmap)=&move($next,$endupmap,$direction); |
$safecount++; |
$safecount++; |
} |
} |
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# We are now at at least one non-empty URL |
# ----------------------------------------------------- Check out possibilities |
# ----------------------------------------------------- Check out possibilities |
if ($next) { |
if ($next) { |
@possibilities=split(/\,/,$next); |
@possibilities=split(/\,/,$next); |
if ($#possibilities==0) { |
if ($#possibilities==0) { |
# ---------------------------------------------- Only one possibility, redirect |
# ---------------------------------------------- Only one possibility, redirect |
$redirecturl=$hash{'src_'.$next}; |
$redirecturl=$hash{'src_'.$next}; |
$cachehash{$mapurl} |
$cachehash{$endupmap} |
{&Apache::lonnet::declutter($redirecturl)} |
{&Apache::lonnet::declutter($redirecturl)} |
=(split(/\./,$next))[1]; |
=(split(/\./,$next))[1]; |
} else { |
} else { |
Line 239 sub handler {
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Line 262 sub handler {
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$multichoicehash{'src_'.$_}=$hash{'src_'.$_}; |
$multichoicehash{'src_'.$_}=$hash{'src_'.$_}; |
$multichoicehash{'title_'.$_}=$hash{'title_'.$_}; |
$multichoicehash{'title_'.$_}=$hash{'title_'.$_}; |
$multichoicehash{'type_'.$_}=$hash{'type_'.$_}; |
$multichoicehash{'type_'.$_}=$hash{'type_'.$_}; |
$cachehash{$mapurl} |
my ($choicemap,$choiceres)=split(/\./,$_); |
{&Apache::lonnet::declutter( |
$cachehash |
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{&Apache::lonnet::declutter($hash{'src_'.$choicemap})} |
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{&Apache::lonnet::declutter( |
$multichoicehash |
$multichoicehash |
{'src_'.$_} |
{'src_'.$_} |
)} |
)} |
=(split(/\./,$_))[1]; |
=$choiceres; |
} @possibilities; |
} @possibilities; |
} |
} |
} else { |
} else { |
Line 254 sub handler {
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Line 279 sub handler {
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# ----------------- The program must come past this point to untie the big hash |
# ----------------- The program must come past this point to untie the big hash |
untie(%hash); |
untie(%hash); |
# --------------------------------------------------------- Store position info |
# --------------------------------------------------------- Store position info |
$cachehash{$mapurl}{'last_direction'}=$direction; |
$cachehash{$startoutmap}{'last_direction'}=$direction; |
foreach my $thismap (keys %cachehash) { |
foreach my $thismap (keys %cachehash) { |
&Apache::lonnet::symblist($thismap,%{$cachehash{$thismap}}); |
&Apache::lonnet::symblist($thismap,%{$cachehash{$thismap}}); |
} |
} |
Line 281 Please click on the the resource you int
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Line 306 Please click on the the resource you int
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<table border=2> |
<table border=2> |
<tr><th>Title</th><th>Type</th></tr> |
<tr><th>Title</th><th>Type</th></tr> |
ENDSTART |
ENDSTART |
map { |
foreach (@possibilities) { |
$r->print( |
$r->print( |
'<tr><td><a href="'. |
'<tr><td><a href="'. |
$multichoicehash{'src_'.$_}.'">'. |
$multichoicehash{'src_'.$_}.'">'. |
$multichoicehash{'title_'.$_}. |
$multichoicehash{'title_'.$_}. |
'</a></td><td>'.$multichoicehash{'type_'.$_}. |
'</a></td><td>'.$multichoicehash{'type_'.$_}. |
'</td></tr>'); |
'</td></tr>'); |
} @possibilities; |
} |
$r->print('</table></body></html>'); |
$r->print('</table></body></html>'); |
return OK; |
return OK; |
} else { |
} else { |