--- loncom/html/res/adm/pages/annotator/admannotations.pm 2000/09/07 20:59:00 1.3 +++ loncom/html/res/adm/pages/annotator/admannotations.pm 2000/10/17 21:28:56 1.11 @@ -4,6 +4,7 @@ # # 08/25/00 Ben Tyszka # +# 10/17 Gerd Kortemeyer # # ################## @@ -13,117 +14,140 @@ package Apache::admannotations; use strict; use CGI qw(:all); use Apache::Constants qw(:common); -use Apache::lonnet; - -########################## -# -# The following are fake get and put functions. -# DELETE the following get and put functions and edit the calls -# once the module is working. -# -# -#sub get { -# return "This is a sample annotation/n hopefully it'll look nice on the screen"; -#} -# -#sub put { -# return; -#} -# -# -# DELETE everything within this comment block -# -########################## +use Apache::lonnet(); # --------------------------------------------------------------Put annotation sub write_annotation { - my $url_old=shift; - my $annotation=@_; - Apache::lonnet::put("annotations",($url_old => $annotation)); + my $urlold=shift; + my $annotation=shift; + $urlold=~s/^http\:\/\///; + $urlold=~s/^[^\/]+//; + if ($annotation) { + &Apache::lonnet::put("annotations",($urlold => $annotation)); + } return; } # --------------------------------------------------------------Get annotation sub get_annotation { - my $url_new=shift; - my %annotation=Apache::lonnet::get("annotations",($url_new)); + my $urlnew=shift; + $urlnew=~s/^http\:\/\///; + $urlnew=~s/^[^\/]+//; + my %annotation=&Apache::lonnet::get("annotations",$urlnew); return %annotation; } # ------------------------------------------------------------Construct editor sub construct_editor { - my $url_new=shift; - my %annot_hash=@_; - my @delete_this=keys %annot_hash; - return(< Annotations - -@delete_this are the keys for the hash
$url_new is the new URL
$annot_hash{$url_new} is the new annotation
-
-
- - - - - -
+ +
+
+
+ + + + +
+
END_HTML } -# ----------------------------------------------------------------Main Handler +# ----------------------------------------------------Constructs error window + +sub construct_error { + my $annot_error=shift; + my $button_name=shift; + return(< +Annotations + + + +
+
+ + +
+ +$annot_error + +
+ + + + +
+
+ + +END_HTML2 +} + +# ---------------------------------------------------------------Main Handler sub handler { - my $r=shift; - my $url_old; - my $annotation; - $r->content_type('text/html'); - $r->send_http_header; - if ($url_old=param("url_old")) { - $annotation=param("annotation"); - write_annotation($url_old,$annotation); - } - if (my $url_new=param("url_new")) { - my %annot_hash; -# $r->print("$url_new \n"); #debug line -# $r->print($url_old); #debug line -# $r->print("<--the url_new
\n"); #debug line -# $r->print($annotation); #debug line -# $r->print("<--first annotation
\n"); #debug line -# Apache::lonnet::put("annotations",($url_new => $annotation)); #debug line -# my %annot_hash=Apache::lonnet::get("annotations",($url_new)); #debug line -# $r->print( keys(%phony_var)); #debug line -# $r->print(" = are the keys
\n"); #debug line -# $r->print("$phony_var{$url_new} = $url_new"); #debug line -# $r->print("<--test put-get
\n"); #debug line -# $r->print($annotation); #debug line -# $r->print("<--annotation
\n"); #debug line - if ($url_old eq $url_new) { - %annot_hash=($url_new => $annotation); - } else { - %annot_hash=get_annotation($url_new); - } -# $r->print($annotation); #debug line -# $r->print("<--annotation again
\n"); #debug line - my $page=construct_editor($url_new,%annot_hash); - $r->print($page); - } - return OK; + my $r=shift; + + $r->content_type('text/html'); + $r->send_http_header; + return OK if $r->header_only; + + + my $page; + my %annot_hash; + my $urlold; + my $annotation; + my $urlnew; + + if (exists($ENV{'form.urlold'})) { + $urlold=$ENV{'form.urlold'}; + $annotation=$ENV{'form.annotation'}; + write_annotation($urlold,$annotation); + } + if (exists($ENV{'form.urlnew'})) { + $urlnew=$ENV{'form.urlnew'}; + if ($urlnew eq '') { + $page=construct_error("Cannot annotate current window. Please point your browser to a LON-CAPA page and then 'continue'.","continue"); + } else { + if ($urlold eq $urlnew) { + $annot_hash{$urlnew}=$annotation; + } else { + %annot_hash=get_annotation($urlnew); + } + $page=construct_editor($annot_hash{$urlnew},$urlnew); + } + } else { + $page=construct_error("Connection broken with home server. Please contact your system administrator.","try again"); + } + $r->print($page); + return OK; } 1; __END__ +