--- loncom/html/res/adm/pages/annotator/admannotations.pm 2000/09/19 16:55:50 1.6 +++ loncom/html/res/adm/pages/annotator/admannotations.pm 2005/04/07 06:56:22 1.19 @@ -1,62 +1,92 @@ -#!/usr/bin/perl -T -# +# The LearningOnline Network with CAPA # This will take annotations and then plug them into a page. # -# 08/25/00 Ben Tyszka +# $Id: admannotations.pm,v 1.19 2005/04/07 06:56:22 albertel Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # +# /home/httpd/html/adm/gpl.txt # +# http://www.lon-capa.org/ # ################## package Apache::admannotations; use strict; -use CGI qw(:all); use Apache::Constants qw(:common); use Apache::lonnet; # --------------------------------------------------------------Put annotation sub write_annotation { - my $url_old=shift; + my $urlold=shift; my $annotation=shift; - Apache::lonnet::put("annotations",($url_old => $annotation)); + if ($annotation) { + &Apache::lonnet::put('nohist_annotations',{$urlold => $annotation}); + } return; } # --------------------------------------------------------------Get annotation sub get_annotation { - my $url_new=shift; - my %annotation=Apache::lonnet::get("annotations",($url_new)); + my $urlnew=shift; + my %annotation=&Apache::lonnet::get('nohist_annotations',[$urlnew]); return %annotation; } # ------------------------------------------------------------Construct editor sub construct_editor { - my $url_new=shift; - my %annot_hash=@_; + my $annotation=shift; + if ($annotation=~/^error:/) { $annotation=''; } + my $urlnew=shift; return(< Annotations - - +
-
-
- - - - + +
+ + + +
@@ -64,7 +94,7 @@ function getDomain() { END_HTML } -# --------------------------------------------Constructs the can't edit window +# ----------------------------------------------------Constructs error window sub construct_error { my $annot_error=shift; @@ -72,28 +102,23 @@ sub construct_error { return(< Annotations - - +
-
+
- + $annot_error - +
- - - - + + + +
@@ -101,38 +126,48 @@ $annot_error END_HTML2 } -# ----------------------------------------------------------------Main Handler +# ---------------------------------------------------------------Main Handler sub handler { my $r=shift; - my $url_old; - my $annotation; - my $page; + $r->content_type('text/html'); $r->send_http_header; - if ($url_old=param("url_old")) { - $annotation=param("annotation"); - write_annotation($url_old,$annotation); + return OK if $r->header_only; + + + my $page; + my %annot_hash; + + my $urlold=$env{'form.urlold'}; + $urlold=~s/^http\:\/\///; + $urlold=~s/^[^\/]+//; + $urlold=~s/\?.*$//; + my $urlnew=$env{'form.urlnew'}; + $urlnew=~s/^http\:\/\///; + $urlnew=~s/^[^\/]+//; + $urlnew=~s/\?.*$//; + my $annotation=$env{'form.annotation'}; + + if ($urlold) { + write_annotation($urlold,$annotation); } - if (my $url_new=param("url_new")) { - my %annot_hash; - if ($url_old eq $url_new) { - %annot_hash=($url_new => $annotation); - } else { - %annot_hash=get_annotation($url_new); - } - if (exists($annot_hash{"con_lost"})) { - $page=construct_error("Connection broken with home server. Please contact your system administrator.","try again"); - } else { - $page=construct_editor($url_new,%annot_hash); - } - $r->print($page); - } else { - $page=construct_error("Cannot annotate current window. Please point your browser to a Lon-CAPA page and then 'continue'.","coninue"); - $r->print($page); + if (exists($env{'form.urlnew'})) { + unless ($urlnew) { + $page=construct_error("Cannot annotate current window. Please point your browser to a LON-CAPA page and then 'continue'.","continue"); + } else { + if ($urlold eq $urlnew) { + $annot_hash{$urlnew}=$annotation; + } else { + %annot_hash=get_annotation($urlnew); + } + $page=construct_editor($annot_hash{$urlnew},$env{'form.urlnew'}); + } } + $r->print($page); return OK; } 1; __END__ +