version 1.24, 2005/04/07 06:56:27
|
version 1.43, 2012/12/19 05:21:13
|
Line 26
|
Line 26
|
# |
# |
# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# (Handler to resolve ambiguous file locations |
|
# |
|
|
|
package Apache::lonsequence; |
package Apache::lonsequence; |
|
|
Line 35 use strict;
|
Line 35 use strict;
|
use Apache::lonnet; |
use Apache::lonnet; |
use Apache::Constants qw(:common :http REDIRECT); |
use Apache::Constants qw(:common :http REDIRECT); |
use GDBM_File; |
use GDBM_File; |
use Apache::lonratedt; |
use LONCAPA::map(); |
use Apache::lonratsrv; |
use LONCAPA; |
use Apache::lonpageflip; |
use Apache::lonpageflip(); |
use Apache::loncommon; |
use Apache::loncommon(); |
|
use Apache::groupsort(); |
use Apache::lonlocal; |
use Apache::lonlocal; |
|
use HTML::Entities(); |
|
|
my %selhash; |
my %selhash; |
my $successtied; |
my $successtied; |
Line 47 my $successtied;
|
Line 49 my $successtied;
|
# ----------------------------------------- Attempt to read from resource space |
# ----------------------------------------- Attempt to read from resource space |
|
|
sub attemptread { |
sub attemptread { |
my $fn=shift; |
my ($fn,$unsorted)=@_; |
&Apache::lonnet::repcopy($fn); |
&Apache::lonnet::repcopy($fn); |
if (-e $fn) { |
if (-e $fn) { |
return &Apache::lonratedt::attemptread($fn); |
return &LONCAPA::map::attemptread($fn,$unsorted); |
} else { |
} else { |
return (); |
return (); |
} |
} |
Line 60 sub mapread {
|
Line 62 sub mapread {
|
my $fn=shift; |
my $fn=shift; |
&Apache::lonnet::repcopy($fn); |
&Apache::lonnet::repcopy($fn); |
if (-e $fn) { |
if (-e $fn) { |
return &Apache::lonratedt::mapread($fn,''); |
return &LONCAPA::map::mapread($fn,''); |
} else { |
} else { |
return (); |
return (); |
} |
} |
Line 70 sub mapread {
|
Line 72 sub mapread {
|
|
|
sub viewmap { |
sub viewmap { |
my ($r,$url)=@_; |
my ($r,$url)=@_; |
$r->print('<html>'); |
|
if ($env{'form.forceselect'}) { $r->print(<<ENDSCRIPT); |
my $js; |
<script> |
if ($env{'form.forceselect'}) { |
|
$js = (<<ENDSCRIPT); |
|
<script type="text/javascript"> |
|
|
function select_group() { |
function select_group() { |
window.location="/adm/groupsort?catalogmode=groupsec&mode=rat&acts="+document.forms.fileattr.acts.value; |
window.location="/adm/groupsort?catalogmode=groupsec&mode=rat&acts="+document.forms.fileattr.acts.value; |
Line 94 function queue(val) {
|
Line 98 function queue(val) {
|
</script> |
</script> |
ENDSCRIPT |
ENDSCRIPT |
} |
} |
$r->print(&Apache::loncommon::bodytag('Map Contents').'<h1>'.$url.'</h1>'); |
|
|
$r->print(&Apache::loncommon::start_page('Map Contents',$js). |
|
'<h1>'.$url.'</h1>'); |
# ------------------ This is trying to select. Provide buttons and tie %selhash |
# ------------------ This is trying to select. Provide buttons and tie %selhash |
if ($env{'form.forceselect'}) { $r->print(<<ENDSELECT); |
if ($env{'form.forceselect'}) { $r->print(<<ENDSELECT); |
<form name=fileattr><input type=hidden name=acts value=''> |
<form name="fileattr"><input type="hidden" name="acts" value="" /> |
<input type="button" name="close" value='CLOSE' onClick="self.close()"> |
<input type="button" name="close" value="CLOSE" onClick="self.close()" /> |
<input type="button" name="groupimport" value='GROUP IMPORT' |
<input type="button" name="groupimport" value="GROUP IMPORT" |
onClick="javascript:select_group()"> |
onClick="javascript:select_group()" /> |
</form> |
</form> |
ENDSELECT |
ENDSELECT |
my $diropendb = |
my $diropendb = |
"/home/httpd/perl/tmp/$env{'user.domain'}\_$env{'user.name'}_groupsec.db"; |
LONCAPA::tempdir() . |
|
"$env{'user.domain'}\_$env{'user.name'}_sel_res.db"; |
if (tie(%selhash,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) { |
if (tie(%selhash,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) { |
if ($env{'form.launch'} eq '1') { |
if ($env{'form.launch'} eq '1') { |
&start_fresh_session(); |
&start_fresh_session(); |
Line 112 ENDSELECT
|
Line 119 ENDSELECT
|
$successtied=1; |
$successtied=1; |
|
|
# - Evaluate actions from previous page (both cumulatively and chronologically) |
# - Evaluate actions from previous page (both cumulatively and chronologically) |
if ($env{'form.catalogmode'} eq 'groupimport') { |
if ($env{'form.catalogmode'} eq 'import') { |
my $acts=$env{'form.acts'}; |
&Apache::groupsort::update_actions_hash(\%selhash); |
my @Acts=split(/b/,$acts); |
|
my %ahash; |
|
my %achash; |
|
my $ac=0; |
|
# some initial hashes for working with data |
|
foreach (@Acts) { |
|
my ($state,$ref)=split(/a/); |
|
$ahash{$ref}=$state; |
|
$achash{$ref}=$ac; |
|
$ac++; |
|
} |
} |
# sorting through the actions and changing the tied database hash |
|
foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) { |
|
my $key=$_; |
|
if ($ahash{$key} eq '1') { |
|
$selhash{'store_'.$selhash{'pre_'.$key.'_link'}}= |
|
$selhash{'pre_'.$key.'_title'}; |
|
$selhash{'storectr_'.$selhash{'pre_'.$key.'_link'}}= |
|
$selhash{'storectr'}+0; |
|
$selhash{'storectr'}++; |
|
} |
|
if ($ahash{$key} eq '0') { |
|
if ($selhash{'store_'.$selhash{'pre_'.$key.'_link'}}) { |
|
delete $selhash{'store_'.$selhash{'pre_'.$key.'_link'}}; |
|
} |
|
} |
|
} |
|
# deleting the previously cached listing |
|
foreach (keys %selhash) { |
|
if ($_ =~ /^pre_/ && $_ =~/link$/) { |
|
my $key = $_; |
|
$key =~ s/^pre_//; |
|
$key =~ s/_[^_]*$//; |
|
delete $selhash{'pre_'.$key.'_title'}; |
|
delete $selhash{'pre_'.$key.'_link'}; |
|
} |
|
} |
|
} |
|
# - |
# - |
} |
} |
} |
} |
# ----------------------------- successtied is now '1' if in working selectmode |
# ----------------------------- successtied is now '1' if in working selectmode |
my ($errtext,$fatal)=&mapread(&Apache::lonnet::filelocation('',$url),''); |
my ($errtext,$fatal)=&mapread(&Apache::lonnet::filelocation('',$url),''); |
if ($fatal==1) { |
if ($fatal==1) { |
$r->print('<p><b><font color="red">'.&mt('Map contents are not shown in order.').'</font></b></p><br />'); |
$r->print('<p class="LC_warning">' |
|
.&mt('Map contents are not shown in order.') |
|
.'</p><br />'); |
} |
} |
my $idx=0; |
my $idx=0; |
foreach (&attemptread(&Apache::lonnet::filelocation('',$url))) { |
foreach (&attemptread(&Apache::lonnet::filelocation('',$url))) { |
Line 168 ENDSELECT
|
Line 140 ENDSELECT
|
$r->print('<form name="form'.$idx.'">'); |
$r->print('<form name="form'.$idx.'">'); |
} |
} |
my ($title,$url)=split(/\:/,$_); |
my ($title,$url)=split(/\:/,$_); |
$title=~s/\&colon\;/\:/g; |
$title = &LONCAPA::map::qtescape($title); |
$url=~s/\&colon\;/\:/g; |
unless ($title) { $title=(split(/\//,$url))[-1] }; |
unless ($title) { $title=(split(/\//,$url))[-1] }; |
my $enc_title = &HTML::Entities::encode($title,'\'"<>&'); |
unless ($title) { $title='<i>'.&mt('Empty').'</i>'; } |
unless ($title) { |
|
$title='<i>'.&mt('Empty').'</i>'; |
|
$enc_title = &mt('Empty'); |
|
} |
|
$url = &LONCAPA::map::qtescape($url); |
|
my $enc_url = &HTML::Entities::encode($url,'\'"<>&'); |
if ($url) { |
if ($url) { |
if ($successtied) { |
if ($successtied) { |
my $checked=''; |
my $checked=''; |
if ($selhash{'store_'.$url}) { |
if ($selhash{'store_'.$url}) { |
$checked=" checked"; |
$checked=' checked="checked"'; |
} |
} |
$selhash{"pre_${idx}_link"}=$url; |
$selhash{"pre_${idx}_link"}=$url; |
$selhash{"pre_${idx}_title"}=$title; |
$selhash{"pre_${idx}_title"}=$title; |
|
|
|
$url = &HTML::Entities::encode($url, '\'"<>&'); |
$r->print(<<ENDCHECKBOX); |
$r->print(<<ENDCHECKBOX); |
<input type='checkbox' name='filelink' |
<input type='checkbox' name='filelink' |
value='$url' onClick='javascript:queue("form$idx")'$checked> |
value='$enc_url' onClick='javascript:queue("form$idx")'$checked /> |
<input type='hidden' name='title' value='$title'> |
<input type='hidden' name='title' value='$enc_title' /> |
ENDCHECKBOX |
ENDCHECKBOX |
} |
} |
$r->print('<a href="'.&Apache::lonratsrv::qtescape($url).'">'); |
$r->print('<a href="'.$enc_url.'">'); |
} |
} |
$r->print(&Apache::lonratsrv::qtescape($title)); |
$r->print($enc_title); |
if ($url) { $r->print('</a>'); } |
if ($url) { $r->print('</a>'); } |
if ($successtied) { |
if ($successtied) { |
$r->print('</form>'); |
$r->print('</form>'); |
} else { |
} else { |
$r->print('<br>'); |
$r->print('<br />'); |
} |
} |
} |
} |
} |
} |
$r->print('</body></html>'); |
$r->print(&Apache::loncommon::end_page()); |
if ($successtied) { |
if ($successtied) { |
untie %selhash; |
untie %selhash; |
} |
} |
Line 241 sub handler {
|
Line 219 sub handler {
|
my $dismapid=''; |
my $dismapid=''; |
my $exitdisid = ''; |
my $exitdisid = ''; |
my $arrow_dir = ''; |
my $arrow_dir = ''; |
|
my $is_encrypted = ''; |
|
|
if (($env{'request.course.fn'}) && (!$env{'form.forceselect'})) { |
if (($env{'request.course.fn'}) && (!$env{'form.forceselect'})) { |
my $last; |
my $last; |
Line 268 sub handler {
|
Line 247 sub handler {
|
if ($disid) { |
if ($disid) { |
$disurl=$bighash{'src_'.$disid}; |
$disurl=$bighash{'src_'.$disid}; |
$dismapid=(split(/\./,$disid))[1]; |
$dismapid=(split(/\./,$disid))[1]; |
$randomout = $bighash{'randomout_'.$disid}; |
if (!$env{'request.role.adv'}) { |
|
$randomout = $bighash{'randomout_'.$disid}; |
|
} |
|
if (!$env{'request.role.adv'}) { |
|
$is_encrypted = $bighash{'encrypted_'.$disid}; |
|
} |
} elsif (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
} elsif (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
&GDBM_READER(),0640)) { |
&GDBM_READER(),0640)) { |
$last=$hash{'last_known'}; |
$last=$hash{'last_known'}; |
Line 285 sub handler {
|
Line 269 sub handler {
|
if ($disid) { |
if ($disid) { |
$disurl=$bighash{'src_'.$disid}; |
$disurl=$bighash{'src_'.$disid}; |
$dismapid=(split(/\./,$disid))[1]; |
$dismapid=(split(/\./,$disid))[1]; |
$randomout = $bighash{'randomout_'.$disid}; |
if (!$env{'request.role.adv'}) { |
|
$randomout = $bighash{'randomout_'.$disid}; |
|
} |
|
if (!$env{'request.role.adv'}) { |
|
$is_encrypted = $bighash{'encrypted_'.$disid}; |
|
} |
} |
} |
} |
} |
$exitdisid = $disid; |
$exitdisid = $disid; |
Line 299 sub handler {
|
Line 288 sub handler {
|
# now either disurl is set (going to first page), or we need another display |
# now either disurl is set (going to first page), or we need another display |
if ($disurl) { |
if ($disurl) { |
# -------------------------------------------------- Has first or last resource |
# -------------------------------------------------- Has first or last resource |
|
my $showdisurl = $disurl; |
|
if ($is_encrypted) { |
|
$showdisurl = &Apache::lonenc::encrypted($disurl); |
|
} |
&Apache::lonnet::symblist($requrl,$disurl => [$disurl,$dismapid], |
&Apache::lonnet::symblist($requrl,$disurl => [$disurl,$dismapid], |
'last_known' => [$disurl,$dismapid]); |
'last_known' => [$disurl,$dismapid]); |
&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
$r->header_out(Location => 'http://'.$ENV{'HTTP_HOST'}.$disurl); |
$r->header_out(Location => &Apache::lonnet::absolute_url($ENV{'SERVER_NAME'}). |
|
$showdisurl); |
return REDIRECT; |
return REDIRECT; |
} else { |
} else { |
&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
$r->send_http_header; |
$r->send_http_header; |
if ($exitdisid eq '' && $arrow_dir ne '') { |
if ($exitdisid eq '' && $arrow_dir ne '') { |
my %lt =&Apache::lonlocal::texthash( |
my %lt =&Apache::lonlocal::texthash( |
'back' => 'beginning', |
|
'forward' => 'end', |
|
'emfo' => 'Empty Folder/Sequence', |
|
'nere' => 'Next resource could not be displayed', |
'nere' => 'Next resource could not be displayed', |
'goba' => 'Go Back', |
'goba' => 'Go Back', |
'nacc' => 'Navigate Course Content', |
'nacc' => 'Navigate Course Content', |
); |
); |
my $warnmsg = 'As all folders and sequences '; |
my $warnmsg; |
if ($arrow_dir eq 'forward') { |
if ($arrow_dir eq 'forward') { |
$warnmsg .= &mt('following the current resource were empty').','; |
$warnmsg = &mt('As all folders and sequences ' |
|
.'following the current resource were empty, ' |
|
.'you have now reached the end of the course.'); |
} elsif ($arrow_dir eq 'back') { |
} elsif ($arrow_dir eq 'back') { |
$warnmsg .= &mt('preceding the current resource were empty').','; |
$warnmsg = &mt('As all folders and sequences ' |
|
.'preceding the current resource were empty, ' |
|
.'you have now reached the beginning of the course.'); |
} |
} |
$warnmsg .= &mt('you have now reached the').' '.$lt{$arrow_dir}.' '.&mt('of the course.'); |
my $start_page= |
my $bodytag=&Apache::loncommon::bodytag('Empty Folder/Sequence'); |
&Apache::loncommon::start_page('Empty Folder/Sequence'); |
|
my $end_page= |
|
&Apache::loncommon::end_page(); |
$r->print(<<ENDNONE); |
$r->print(<<ENDNONE); |
<head><title>$lt{'emfo'}</title></head> |
$start_page |
$bodytag |
|
<h3>$lt{'nere'}</h3> |
<h3>$lt{'nere'}</h3> |
<p>$warnmsg</p> |
<p>$warnmsg</p> |
<ul> |
<ul> |
<li><a href="javascript:history.go(-1)">$lt{'goba'}</a></li> |
<li><a href="javascript:history.go(-1)">$lt{'goba'}</a></li> |
<li><a href="/adm/navmaps">$lt{'nacc'}</a></li> |
<li><a href="/adm/navmaps">$lt{'nacc'}</a></li> |
</ul> |
</ul> |
</body> |
$end_page |
</html> |
|
ENDNONE |
ENDNONE |
} else { |
} else { |
&viewmap($r,$requrl); |
&viewmap($r,$requrl); |
Line 346 ENDNONE
|
Line 341 ENDNONE
|
1; |
1; |
__END__ |
__END__ |
|
|
|
=head1 NAME |
|
|
|
Apache::lonsequence |
|
|
|
=head1 SYNOPSIS |
|
|
|
Handler for showing sequence objects of |
|
educational resources. |
|
|
|
This is part of the LearningOnline Network with CAPA project |
|
described at http://www.lon-capa.org. |
|
|
|
=head1 SUBROUTINES |
|
|
|
=over |
|
|
|
=item handler() |
|
|
|
=item viewmap() |
|
|
|
=item attemptread() |
|
|
|
=item mapread() |
|
|
|
=item start_fresh_session() |
|
|
|
=back |
|
|
|
=cut |
|
|
|
|
|
|