version 1.21, 2004/10/16 01:14:28
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version 1.53, 2020/09/03 12:44:56
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Line 26
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# |
# |
# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# (Handler to resolve ambiguous file locations |
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# |
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# (TeX Content Handler |
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# |
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# 05/29/00,05/30,10/11 Gerd Kortemeyer) |
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# |
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# 10/11,10/12 Gerd Kortemeyer) |
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# |
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# 10/16 Gerd Kortemeyer |
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package Apache::lonsequence; |
package Apache::lonsequence; |
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Line 42 use strict;
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Line 35 use strict;
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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::ltiutils; |
use Apache::lonpageflip; |
use LONCAPA; |
use Apache::loncommon; |
use Apache::lonpageflip(); |
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use Apache::loncommon(); |
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use Apache::groupsort(); |
use Apache::lonlocal; |
use Apache::lonlocal; |
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use Apache::lonnavmaps(); |
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use Apache::lonenc(); |
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use HTML::Entities(); |
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my %selhash; |
my %selhash; |
my $successtied; |
my $successtied; |
Line 54 my $successtied;
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Line 52 my $successtied;
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# ----------------------------------------- Attempt to read from resource space |
# ----------------------------------------- Attempt to read from resource space |
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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 67 sub mapread {
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Line 65 sub mapread {
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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($fn,''); |
} else { |
} else { |
return (); |
return (); |
} |
} |
Line 77 sub mapread {
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Line 75 sub mapread {
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sub viewmap { |
sub viewmap { |
my ($r,$url)=@_; |
my ($r,$url)=@_; |
$r->print('<html>'); |
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if ($ENV{'form.forceselect'}) { $r->print(<<ENDSCRIPT); |
my $js; |
<script> |
if ($env{'form.forceselect'}) { |
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$js = (<<ENDSCRIPT); |
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<script type="text/javascript"> |
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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 101 function queue(val) {
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Line 101 function queue(val) {
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</script> |
</script> |
ENDSCRIPT |
ENDSCRIPT |
} |
} |
$r->print(&Apache::loncommon::bodytag('Map Contents').'<h1>'.$url.'</h1>'); |
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$r->print(&Apache::loncommon::start_page('Map Contents',$js). |
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'<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'}\_$ENV{'user.name'}_groupsec.db"; |
LONCAPA::tempdir() . |
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"$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(); |
} |
} |
$successtied=1; |
$successtied=1; |
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# - Evaluate actions from previous page (both cumulatively and chronologically) |
# - Evaluate actions from previous page (both cumulatively and chronologically) |
if ($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); |
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my %ahash; |
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my %achash; |
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my $ac=0; |
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# some initial hashes for working with data |
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foreach (@Acts) { |
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my ($state,$ref)=split(/a/); |
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$ahash{$ref}=$state; |
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$achash{$ref}=$ac; |
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$ac++; |
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} |
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# sorting through the actions and changing the tied database hash |
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foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) { |
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my $key=$_; |
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if ($ahash{$key} eq '1') { |
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$selhash{'store_'.$selhash{'pre_'.$key.'_link'}}= |
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$selhash{'pre_'.$key.'_title'}; |
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$selhash{'storectr_'.$selhash{'pre_'.$key.'_link'}}= |
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$selhash{'storectr'}+0; |
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$selhash{'storectr'}++; |
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} |
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if ($ahash{$key} eq '0') { |
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if ($selhash{'store_'.$selhash{'pre_'.$key.'_link'}}) { |
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delete $selhash{'store_'.$selhash{'pre_'.$key.'_link'}}; |
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} |
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} |
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} |
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# deleting the previously cached listing |
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foreach (keys %selhash) { |
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if ($_ =~ /^pre_/ && $_ =~/link$/) { |
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my $key = $_; |
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$key =~ s/^pre_//; |
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$key =~ s/_[^_]*$//; |
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delete $selhash{'pre_'.$key.'_title'}; |
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delete $selhash{'pre_'.$key.'_link'}; |
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} |
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} |
} |
} |
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# - |
# - |
} |
} |
} |
} |
# ----------------------------- 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">' |
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.&mt('Map contents are not shown in order.') |
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.'</p><br />'); |
} |
} |
my $idx=0; |
my $idx=0; |
foreach (&attemptread(&Apache::lonnet::filelocation('',$url))) { |
foreach my $entry (&attemptread(&Apache::lonnet::filelocation('',$url))) { |
if (defined($_)) { |
if (defined($entry)) { |
$idx++; |
$idx++; |
if ($successtied) { |
if ($successtied) { |
$r->print('<form name="form'.$idx.'">'); |
$r->print('<form name="form'.$idx.'">'); |
} |
} |
my ($title,$url)=split(/\:/,$_); |
my ($title,$url)=split(/\:/,$entry); |
$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) { |
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$title='<i>'.&mt('Empty').'</i>'; |
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$enc_title = &mt('Empty'); |
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} |
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$url = &LONCAPA::map::qtescape($url); |
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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"}=$title; |
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$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 213 ENDCHECKBOX
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Line 187 ENDCHECKBOX
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# ----------------------------------------------------------- Clean out selhash |
# ----------------------------------------------------------- Clean out selhash |
sub start_fresh_session { |
sub start_fresh_session { |
foreach (keys %selhash) { |
foreach my $item (keys(%selhash)) { |
if ($_ =~ /^pre_/) { |
if ($item =~ /^pre_/) { |
delete $selhash{$_}; |
delete $selhash{$item}; |
} |
} |
if ($_ =~ /^store/) { |
if ($item =~ /^store/) { |
delete $selhash{$_}; |
delete $selhash{$item}; |
} |
} |
} |
} |
} |
} |
Line 234 sub handler {
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Line 208 sub handler {
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$r->send_http_header; |
$r->send_http_header; |
return OK; |
return OK; |
} |
} |
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my $requrl=$r->uri; |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
['forceselect','launch']); |
['forceselect','launch','navmap']); |
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if (($env{'request.course.fn'}) && ($env{'form.navmap'}) && ($env{'request.course.id'})) { |
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my $crstype = &Apache::loncommon::course_type(); |
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unless (($crstype eq 'Placement') && (!$env{'request.role.adv'})) { |
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# Check for critical messages and redirect if present. |
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my ($redirect,$url) = &Apache::loncommon::critical_redirect(300,'contents'); |
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if ($redirect) { |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->header_out(Location => $url); |
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return REDIRECT; |
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} |
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# Check if course needs to be re-initialized |
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my $loncaparev = $r->dir_config('lonVersion'); |
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my ($result,@reinit) = &Apache::loncommon::needs_coursereinit($loncaparev); |
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if ($result eq 'switch') { |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->send_http_header; |
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$r->print(&Apache::loncommon::check_release_result(@reinit)); |
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return OK; |
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} elsif ($result eq 'update') { |
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my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; |
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my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; |
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my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum"); |
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if ($ferr) { |
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my $requrl = $r->uri; |
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$env{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; |
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$env{'user.reinit'} = 1; |
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return HTTP_NOT_ACCEPTABLE; |
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} |
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} |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->send_http_header; |
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my $mapurl = &Apache::lonnet::declutter($requrl); |
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my $maptitle = &Apache::lonnet::gettitle($mapurl); |
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my @crumbs = ({text => $maptitle, no_mt => 1}); |
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my $args = {'bread_crumbs' => \@crumbs, |
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'bread_crumbs_nomenu' => 1}; |
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# Create the nav map |
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my $navmap = Apache::lonnavmaps::navmap->new(); |
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if (ref($navmap)) { |
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# renderer call |
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if (&Apache::lonnet::is_on_map($requrl)) { |
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my ($ltiscope,$ltiuri); |
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if (($env{'request.lti.login'}) && ($env{'request.lti.uri'})) { |
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my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; |
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my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; |
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($ltiscope,$ltiuri) = &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},$cdom,$cnum); |
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} |
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@crumbs = (); |
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unless ($ltiscope eq 'resource') { |
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unless ($ltiscope eq 'map') { |
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@crumbs = ({text => $crstype.' Contents', |
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href => "javascript:gopost('/adm/navmaps','')"}); |
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} |
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my $res = $navmap->getResourceByUrl($mapurl); |
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if (ref($res)) { |
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my $symb = $res->symb(); |
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if ($symb) { |
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my ($parent) = &Apache::lonnet::decode_symb($res->symb()); |
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if (($parent ne $env{'course.'.$env{'request.course.id'}.'.url'}) && |
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!(($ltiscope eq 'map') && ($requrl eq $ltiuri))) { |
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my @mapcrumbs = $navmap->recursed_crumbs($parent); |
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if (@mapcrumbs) { |
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push(@crumbs,@mapcrumbs); |
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} |
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} |
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$env{'request.symb'} = $symb; |
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} |
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} |
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} |
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push(@crumbs,{text => $maptitle, no_mt => 1}); |
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$args = {'bread_crumbs' => \@crumbs, |
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'bread_crumbs_nomenu' => 1}; |
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$r->print(&Apache::loncommon::start_page($maptitle,undef,$args)); |
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my $renderArgs = { 'cols' => [0,1,2,3], |
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'url' => $mapurl, |
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'navmap' => $navmap, |
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'suppressNavmap' => 1, |
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'suppressEmptySequences' => 1, |
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'filterFunc' => undef, |
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'resource_no_folder_link' => 1, |
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'r' => $r, |
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'caller' => 'sequence', |
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'notools' => 1, |
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'iterator_map' => $mapurl, |
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}; |
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my $render = &Apache::lonnavmaps::render($renderArgs); |
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# If no resources were found let the user know. |
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if ($renderArgs->{'counter'} == 0) { |
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$r->print('<p class="LC_info">'. |
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&mt('No items found in folder'). |
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'</p>'); |
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} |
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$r->print(&Apache::loncommon::end_page()); |
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} else { |
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$r->print(&Apache::loncommon::start_page($maptitle,undef,$args). |
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'<p class="LC_info">'. |
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&mt('Folder no longer appears to be a part of the course'). |
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'</p>'. |
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&Apache::loncommon::end_page()); |
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} |
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} else { |
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$r->print(&Apache::loncommon::start_page($maptitle,undef,$args). |
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'<p class="LC_warning">'. |
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&mt('Error: could not determine contents of folder'). |
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'</p>'. |
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&Apache::loncommon::end_page()); |
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} |
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$r->rflush(); |
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return OK; |
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} |
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} |
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my %hash; |
my %hash; |
my %bighash; |
my %bighash; |
my $requrl=$r->uri; |
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$successtied=0; |
$successtied=0; |
# ------------------------------------------------------------ Tie symb db file |
# ------------------------------------------------------------ Tie symb db file |
Line 248 sub handler {
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Line 344 sub handler {
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my $dismapid=''; |
my $dismapid=''; |
my $exitdisid = ''; |
my $exitdisid = ''; |
my $arrow_dir = ''; |
my $arrow_dir = ''; |
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my $is_encrypted = ''; |
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if (($ENV{'request.course.fn'}) && (!$ENV{'form.forceselect'})) { |
if (($env{'request.course.fn'}) && (!$env{'form.forceselect'})) { |
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_direction'}; |
$last=$hash{'last_direction'}; |
untie(%hash); |
untie(%hash); |
Line 259 sub handler {
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Line 356 sub handler {
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my $direction=''; |
my $direction=''; |
my $prevmap=''; |
my $prevmap=''; |
if ($last) { |
if ($last) { |
($prevmap,$direction)=(split(/\_\_\_/,$last)); |
($prevmap,undef,$direction)=&Apache::lonnet::decode_symb($last); |
} |
} |
# ------------------------------------------------------------- Tie big db file |
# ------------------------------------------------------------- Tie big db file |
if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', |
&GDBM_READER(),0640)) { |
&GDBM_READER(),0640)) { |
my $disid=''; |
my $disid=''; |
my $randomout =''; |
my $randomout =''; |
Line 275 sub handler {
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Line 372 sub handler {
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if ($disid) { |
if ($disid) { |
$disurl=$bighash{'src_'.$disid}; |
$disurl=$bighash{'src_'.$disid}; |
$dismapid=(split(/\./,$disid))[1]; |
$dismapid=(split(/\./,$disid))[1]; |
$randomout = $bighash{'randomout_'.$disid}; |
if (!$env{'request.role.adv'}) { |
} elsif (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', |
$randomout = $bighash{'randomout_'.$disid}; |
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} |
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if (!$env{'request.role.adv'}) { |
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$is_encrypted = $bighash{'encrypted_'.$disid}; |
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} |
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} 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'}; |
untie(%hash); |
untie(%hash); |
Line 292 sub handler {
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Line 394 sub handler {
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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 (!$env{'request.role.adv'}) { |
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$randomout = $bighash{'randomout_'.$disid}; |
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} |
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if (!$env{'request.role.adv'}) { |
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$is_encrypted = $bighash{'encrypted_'.$disid}; |
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} |
} |
} |
} |
} |
$exitdisid = $disid; |
$exitdisid = $disid; |
Line 306 sub handler {
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Line 413 sub handler {
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# now either disurl is set (going to first page), or we need another display |
# now either disurl is set (going to first page), or we need another display |
if ($disurl) { |
if ($disurl) { |
# -------------------------------------------------- Has first or last resource |
# -------------------------------------------------- Has first or last resource |
&Apache::lonnet::symblist($requrl,$disurl => $dismapid, |
my $showdisurl = $disurl; |
'last_known' => &Apache::lonnet::declutter($disurl)); |
if ($is_encrypted) { |
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$showdisurl = &Apache::lonenc::encrypted($disurl); |
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} |
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if ($disurl =~ m{^/adm/navmaps(\?|$)}) { |
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&Apache::lonnet::symblist($requrl,$disurl => [$disurl,$dismapid]); |
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} else { |
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&Apache::lonnet::symblist($requrl,$disurl => [$disurl,$dismapid], |
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'last_known' => [$disurl,$dismapid]); |
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} |
&Apache::loncommon::content_type($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'}). |
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$showdisurl); |
return REDIRECT; |
return REDIRECT; |
} else { |
} else { |
&Apache::loncommon::content_type($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' => 'Course Contents', |
); |
); |
my $warnmsg = 'As all folders and sequences '; |
if (&Apache::loncommon::course_type() eq 'Community') { |
|
$lt{'nav'} = &mt('Community Contents'); |
|
} |
|
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 353 ENDNONE
|
Line 473 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 |
|
|
|
|
|
|