version 1.3, 2000/10/16 20:47:39
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version 1.9, 2003/04/12 15:43:58
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# Handler to resolve ambiguous file locations |
# Handler to resolve ambiguous file locations |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
# (TeX Content Handler |
# (TeX Content Handler |
# |
# |
# 05/29/00,05/30,10/11 Gerd Kortemeyer) |
# 05/29/00,05/30,10/11 Gerd Kortemeyer) |
Line 13 use strict;
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Line 37 use strict;
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use Apache::lonnet; |
use Apache::lonnet; |
use Apache::Constants qw(:common REDIRECT); |
use Apache::Constants qw(:common REDIRECT); |
use GDBM_File; |
use GDBM_File; |
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use Apache::loncommon; |
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my %bighash; |
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sub cleanup { |
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if (tied(%bighash)){ |
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&Apache::lonnet::logthis('Cleanup ambiguous: bighash'); |
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unless (untie(%bighash)) { |
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&Apache::lonnet::logthis('Failed cleanup ambiguous: bighash'); |
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} |
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} |
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} |
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# ----------------------------------------------------------- Could not resolve |
# ----------------------------------------------------------- Could not resolve |
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Line 22 sub getlost {
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Line 57 sub getlost {
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$r->content_type('text/html'); |
$r->content_type('text/html'); |
$r->send_http_header; |
$r->send_http_header; |
$r->print( |
$r->print( |
'<head><title>Unknown Error</title></head><body bgcolor="#FFFFFF"><h1>'. |
'<head><title>Unknown Error</title></head>'. |
'LON-CAPA</h1>Could not handle ambiguous resource reference.<p>'.$errmsg. |
&Apache::loncommon::bodytag('Could not handle ambiguous resource reference'). |
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$errmsg. |
'</body></html>'); |
'</body></html>'); |
} |
} |
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Line 39 sub handler {
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Line 75 sub handler {
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} |
} |
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# ---------------------------------------------------------- Is this selecting? |
# ---------------------------------------------------------- Is this selecting? |
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my %bighash; |
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if ($ENV{'form.selecturl'}) { |
if ($ENV{'form.selecturl'}) { |
my $envkey; |
my $envkey; |
if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
&GDBM_READER,0640)) { |
&GDBM_READER(),0640)) { |
foreach $envkey (keys %ENV) { |
foreach $envkey (keys %ENV) { |
if ($envkey=~/^form\.(\d+)\.(\d+)$/) { |
if ($envkey=~/^form\.(\d+)\.(\d+)$/) { |
# ---------------------------------------------------- Update symb and redirect |
# ---------------------------------------------------- Update symb and redirect |
Line 82 sub handler {
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Line 116 sub handler {
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my $syval=''; |
my $syval=''; |
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if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', |
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', |
&GDBM_READER,0640)) { |
&GDBM_READER(),0640)) { |
$syval=$hash{$thisfn}; |
$syval=$hash{$thisfn}; |
untie(%hash); |
untie(%hash); |
} |
} |
Line 108 sub handler {
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Line 142 sub handler {
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# ------------------------------------------------ Would be standalone resource |
# ------------------------------------------------ Would be standalone resource |
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if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
&GDBM_READER,0640)) { |
&GDBM_READER(),0640)) { |
# ---------------------------------------------- Get ID(s) for current resource |
# ---------------------------------------------- Get ID(s) for current resource |
my $ids=$bighash{'ids_/res/'.$thisfn}; |
my $ids=$bighash{'ids_'.&Apache::lonnet::clutter($thisfn)}; |
if ($ids) { |
if ($ids) { |
# ------------------------------------------------------------------- Has ID(s) |
# ------------------------------------------------------------------- Has ID(s) |
my @possibilities=split(/\,/,$ids); |
my @possibilities=split(/\,/,$ids); |
Line 130 sub handler {
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Line 164 sub handler {
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# ----------------------------------------------- Okay, really multiple choices |
# ----------------------------------------------- Okay, really multiple choices |
$r->content_type('text/html'); |
$r->content_type('text/html'); |
$r->send_http_header; |
$r->send_http_header; |
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my $bodytag= |
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&Apache::loncommon::bodytag('Pick Instance of Resource'); |
$r->print(<<ENDSTART); |
$r->print(<<ENDSTART); |
<head><title>Choose Location</title></head> |
<head><title>Choose Location</title></head> |
<body bgcolor="#FFFFFF"> |
$bodytag |
<h1>LON-CAPA</h1> |
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The resource you had been accessing appears more than once in this course, |
The resource you had been accessing appears more than once in this course, |
and LON-CAPA has insufficient session information to determine which instance |
and LON-CAPA has insufficient session information to determine which instance |
of the resource you meant. |
of the resource you meant. |
Line 151 ENDSTART
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Line 186 ENDSTART
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$r->print('<tr><td><input type=submit value=Select name="'. |
$r->print('<tr><td><input type=submit value=Select name="'. |
$_.'"></td><td>'.$bighash{'title_'.$_}. |
$_.'"></td><td>'.$bighash{'title_'.$_}. |
'</td><td>'.$bighash{'type_'.$_}. |
'</td><td>'.$bighash{'type_'.$_}. |
'</td><td><a href="'.$mapurl.'">'.$mapurl. |
'</td><td>'. |
'</a></td></tr>'); |
($mapurl=~/^\/uploaded\//?'':'<a href="'.$mapurl.'">'). |
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&Apache::lonnet::gettitle($mapurl).' '. |
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($mapurl=~/^\/uploaded\//?'':'</a>').'</td></tr>'); |
} @possibilities; |
} @possibilities; |
$r->print('</table></form></body></html>'); |
$r->print('</table></form></body></html>'); |
untie(%bighash); |
untie(%bighash); |