--- loncom/interface/groupsort.pm 2001/08/08 03:00:54 1.1
+++ loncom/interface/groupsort.pm 2001/12/11 03:19:16 1.4
@@ -1,11 +1,35 @@
# The LearningOnline Network with CAPA
-#
# The LON-CAPA group sort handler
-#
# Allows for sorting prior to import into RAT.
#
+# $Id: groupsort.pm,v 1.4 2001/12/11 03:19:16 harris41 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/
+#
# YEAR=2001
-# 8/7 Scott Harrison
+# 8/7,8/8,10/14,10/15,12/10 Scott Harrison
+#
+###
package Apache::groupsort;
@@ -14,15 +38,22 @@ use strict;
use Apache::Constants qw(:common);
use GDBM_File;
-my %hash;
-my $iconpath;
+my %hash; # variable to tie to user specific database
+my $iconpath; # variable to be accessible to multiple subroutines
+
+# ---------------------------------------------------------------- Main Handler
sub handler {
my $r = shift;
- my $fileclr='#ffffe6';
- my $titleclr='#ddffff';
+
+ # color scheme
+ my $fileclr = '#ffffe6';
+ my $titleclr = '#ddffff';
+
$r->content_type('text/html');
$r->send_http_header;
return OK if $r->header_only;
+
+ # output start of web page
$r->print(<<END);
<html>
<head>
@@ -33,7 +64,8 @@ function insertRowInLastRow() {
opener.addobj(opener.maxrow,'e&2');
}
function placeResourceInLastRow (title,url,linkflag) {
- opener.newresource(opener.maxrow,2,opener.escape(title),opener.escape(url),'false','normal');
+ opener.newresource(opener.maxrow,2,opener.escape(title),
+ opener.escape(url),'false','normal');
opener.save();
opener.mostrecent=opener.obj.length-1;
if (linkflag) {
@@ -44,27 +76,23 @@ function placeResourceInLastRow (title,u
function finish_import() {
var linkflag=false;
for (var num=0; num<document.forms.groupsort.fnum.value; num++) {
-// if (eval("document.forms.groupsort.filelink"+num+".value")) {
-// alert(eval("document.forms.groupsort.title"+num+".value")+
-// eval("document.forms.groupsort.filelink"+num+".value"));
- insertRowInLastRow();
- placeResourceInLastRow(
- eval("document.forms.groupsort.title"+num+".value"),
- eval("document.forms.groupsort.filelink"+num+".value"),
- linkflag
- );
- linkflag=true;
-// }
+ insertRowInLastRow();
+ placeResourceInLastRow(
+ eval("document.forms.groupsort.title"+num+".value"),
+ eval("document.forms.groupsort.filelink"+num+".value"),
+ linkflag
+ );
+ linkflag=true;
}
opener.editmode=0;
opener.notclear=0;
opener.linkmode=0;
opener.infoclear();
opener.draw();
-// self.close();
+ self.close();
}
function selectchange(val) {
- var newval=1+eval("document.forms.groupsort.alt"+val+".selectedIndex");
+ var newval=0+eval("document.forms.groupsort.alt"+val+".selectedIndex");
orderchange(val,newval);
}
function move(val,newval) {
@@ -79,11 +107,13 @@ function orderchange(val,newval) {
</head>
<body bgcolor="#FFFFFF">
END
+
+ # read pertinent machine configuration
my $domain = $r->dir_config('lonDefDomain');
- $iconpath= $r->dir_config('lonIconsURL') . "/";
- my $diropendb = "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";
- my %shash;
- my %thash;
+ $iconpath = $r->dir_config('lonIconsURL') . "/";
+
+ my %shash; # sort order (key is resource location, value is sort order)
+ my %thash; # title (key is resource location, value is title)
map {
my ($name, $value) = split(/=/,$_);
$value =~ tr/+/ /;
@@ -91,30 +121,39 @@ END
if ($name eq 'acts') {
$ENV{'form.'.$name}=$value;
}
+ if ($name eq 'catalogmode') {
+ $ENV{'form.'.$name}=$value;
+ }
} (split(/&/,$ENV{'QUERY_STRING'}));
+ my $diropendb;
+ if ($ENV{'form.catalogmode'} eq 'groupsearch') {
+ $diropendb =
+ "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_searchcat.db";
+ }
+ elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
+ $diropendb =
+ "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";
+ }
if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) {
- my $acts=$ENV{'form.acts'};
- my @Acts=split(/b/,$acts);
+ my $acts = $ENV{'form.acts'};
+ my @Acts = split(/b/,$acts);
my %ahash;
my %achash;
- my $ac=0;
+ my $ac = 0;
map {
- my ($state,$ref)=split(/a/);
- $ahash{$ref}=$state;
- $achash{$ref}=$ac;
+ my ($state,$ref) = split(/a/);
+ $ahash{$ref} = $state;
+ $achash{$ref} = $ac;
$ac++;
} (@Acts);
map {
- my $key=$_;
+ my $key = $_;
if ($ahash{$key} eq '1') {
-# $r->print("<b>NEW: ");
-# $r->print($hash{'pre_'.$key.'_title'});
-# $r->print(" : ");
-# $r->print($hash{'pre_'.$key.'_link'});
-# $r->print("</b><br />");
- $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
+# my $keyz=join("<br />",keys %hash);
+# print "<br />$key<br />$keyz".$hash{'pre_'.$key.'_link'}."<br />\n";
+ $hash{'store_'.$hash{'pre_'.$key.'_link'}} =
$hash{'pre_'.$key.'_title'};
- $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
+ $hash{'storectr_'.$hash{'pre_'.$key.'_link'}} =
$hash{'storectr'}+0;
$hash{'storectr'}++;
}
@@ -123,74 +162,100 @@ END
delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
}
}
- } sort {$achash{$a}<=>$achash{$b}} (keys %ahash);
+ } sort {$achash{$a} <=> $achash{$b}} (keys %ahash);
map {
if ($_ =~ /^store_/) {
- my $key=$_;
- $key=~s/^store_//;
-# $r->print("<b>STORE: ");
-# $r->print($hash{'storectr_'.$key});
-# $r->print(':');
-# $r->print($hash{'store_'.$key});
-# $r->print(':');
-# $r->print($key);
- $shash{$key}=$hash{'storectr_'.$key};
- $thash{$key}=$hash{'store_'.$key};
-# $r->print("</b><br />");
+ my $key = $_;
+ $key =~ s/^store_//;
+ $shash{$key} = $hash{'storectr_'.$key};
+ $thash{$key} = $hash{'store_'.$key};
}
} keys %hash;
if ($ENV{'form.oldval'}) {
-# $r->print('TEST TEST');
- my $newctr=0;
+ my $newctr = 0;
my %chash;
map {
- my $key=$_;
+ my $key = $_;
$newctr++;
- $shash{$key}=$newctr;
- $hash{'storectr_'.$key}=$newctr;
- $chash{$newctr}=$key;
- } sort {$shash{$a}<=>$shash{$b}} (keys %shash);
- my $oldval=$ENV{'form.oldval'};
- my $newval=$ENV{'form.newval'};
- if ($oldval!=$newval) {
- $shash{$chash{$oldval}}=$newval;
- $hash{'storectr_'.$chash{$oldval}}=$newval;
- if ($oldval<$newval) { # push down
+ $shash{$key} = $newctr;
+ $hash{'storectr_'.$key} = $newctr;
+ $chash{$newctr} = $key;
+ } sort {$shash{$a} <=> $shash{$b}} (keys %shash);
+ my $oldval = $ENV{'form.oldval'};
+ my $newval = $ENV{'form.newval'};
+ if ($oldval != $newval) {
+ # when newval==0, then push down and delete
+ if ($newval!=0) {
+ $shash{$chash{$oldval}} = $newval;
+ $hash{'storectr_'.$chash{$oldval}} = $newval;
+ }
+ else {
+ $shash{$chash{$oldval}} = $newctr;
+ $hash{'storectr_'.$chash{$oldval}} = $newctr;
+ }
+ if ($newval==0) { # push down
+ my $newval2=$newctr;
+ for my $idx ($oldval..($newval2-1)) {
+ $shash{$chash{$idx+1}} = $idx;
+ $hash{'storectr_'.$chash{$idx+1}} = $idx;
+ }
+ delete $shash{$chash{$oldval}};
+ delete $hash{'storectr_'.$chash{$oldval}};
+ delete $hash{'store_'.$chash{$oldval}};
+ }
+ elsif ($oldval < $newval) { # push down
for my $idx ($oldval..($newval-1)) {
- $shash{$chash{$idx+1}}=$idx;
- $hash{'storectr_'.$chash{$idx+1}}=$idx;
+ $shash{$chash{$idx+1}} = $idx;
+ $hash{'storectr_'.$chash{$idx+1}} = $idx;
}
}
- elsif ($oldval>$newval) { # push up
+ elsif ($oldval > $newval) { # push up
for my $idx (reverse($newval..($oldval-1))) {
- $shash{$chash{$idx}}=$idx+1;
- $hash{'storectr_'.$chash{$idx}}=$idx+1;
+ $shash{$chash{$idx}} = $idx+1;
+ $hash{'storectr_'.$chash{$idx}} = $idx+1;
}
}
}
}
} else {
- $r->print('<html><head></head><body>Unable to tie hash to db file</body></html>');
+ $r->print('Unable to tie hash to db file</body></html>');
return OK;
}
untie %hash;
-# $r->print($ENV{'form.acts'});
- my $ctr=0;
- my $clen=scalar(keys %shash);
- $r->print('<h2><font color="#888888">The LearningOnline With CAPA Group Sorter</font></h2>'."\n");
- $r->print('<b><font color="#888888">Finalize order of resources</font></b>'."\n");
- $r->print("<form method='post' action='/adm/groupsort' name='groupsort' enctype='application/x-www-form-urlencoded'>");
+ my $ctr = 0;
+ my $clen = scalar(keys %shash);
+ $r->print('<h2><font color="#888888">The LearningOnline With CAPA '.
+ 'Group Sorter</font></h2>'."\n");
+ $r->print('<b><font color="#888888">Finalize order of resources</font>'.
+ '</b>'."\n");
+ $r->print("<form method='post' action='/adm/groupsort' name='groupsort' ".
+ "enctype='application/x-www-form-urlencoded'>");
$r->print(<<END);
<input type="hidden" name="fnum" value="$clen" />
<input type="hidden" name="oldval" value="" />
<input type="hidden" name="newval" value="" />
-<input type="button" name="alter" value="GO BACK" onClick="window.location='/res/?catalogmode=groupimport'" />
-<input type="button" name="alter" value="FINISH IMPORT" onClick="finish_import()" />
+END
+ if ($ENV{'form.catalogmode'} eq 'groupimport') {
+ $r->print(<<END);
+<input type="button" name="alter" value="GO BACK"
+ onClick="window.location='/res/?catalogmode=groupimport'" />
+END
+ }
+ if ($ENV{'form.catalogmode'} eq 'groupsearch') {
+ $r->print(<<END);
+<input type="button" name="alter" value="GO BACK"
+ onClick="window.location='/adm/searchcat?catalogmode=groupsearch'" />
+END
+}
+ $r->print(<<END);
+<input type="button" name="alter" value="FINISH IMPORT"
+ onClick="finish_import()" />
<input type="button" name="alter" value="CANCEL" onClick="self.close()" />
END
$r->print("<table border='0'><tr><td bgcolor='#eeeeee'>");
$r->print("<table border=0><tr>\n");
- $r->print("<td colspan='2' bgcolor='$titleclr'><b>Change order</b></td>\n");
+ $r->print("<td colspan='2' bgcolor='$titleclr'><b>Change order</b></td>".
+ "\n");
$r->print("<td colspan='2' bgcolor='$titleclr'><b>Title</b></td>\n");
$r->print("<td bgcolor='$titleclr'><b>Path</b></td></tr>\n");
map {
@@ -217,46 +282,53 @@ END
return OK;
}
+# --------------------------------------- Hidden values (returns scalar string)
sub hidden {
- my ($sel,$title,$filelink)=@_;
- my $string='<input type="hidden" name="title'.$sel.'" value="'.$title.'" />';
- $string.='<input type="hidden" name="filelink'.$sel.'" value="'.$filelink.'" />';
+ my ($sel,$title,$filelink) = @_;
+ my $string = '<input type="hidden" name="title'.$sel.'" value="'.$title.
+ '" />';
+ $string .= '<input type="hidden" name="filelink'.$sel.'" value="'.
+ $filelink.'" />';
return $string;
}
+# --------------------------------------- Moving arrows (returns scalar string)
sub movers {
- my ($total,$sel)=@_;
- my $dsel=$sel-1;
- my $usel=$sel+1;
- $usel=1 if $usel>$total;
- $dsel=$total if $dsel<1;
+ my ($total,$sel) = @_;
+ my $dsel = $sel-1;
+ my $usel = $sel+1;
+ $usel = 1 if $usel > $total;
+ $dsel = $total if $dsel < 1;
my $string;
- $string=<<END;
+ $string = (<<END);
<table border='0' cellspacing='0' cellpadding='0'>
-<tr><td><a href='javascript:move($sel,$dsel)'><img src="${iconpath}move_up.gif" alt='UP' border='0' /></a></td></tr>
-<tr><td><a href='javascript:move($sel,$usel)'><img src="${iconpath}move_down.gif" alt='DOWN' border='0' /></a></td></tr>
+<tr><td><a href='javascript:move($sel,$dsel)'>
+<img src="${iconpath}move_up.gif" alt='UP' border='0' /></a></td></tr>
+<tr><td><a href='javascript:move($sel,$usel)'>
+<img src="${iconpath}move_down.gif" alt='DOWN' border='0' /></a></td></tr>
</table>
END
return $string;
}
-1;
+
+# ------------------------------------------ Select box (returns scalar string)
sub select_box {
- my ($total,$sel)=@_;
+ my ($total,$sel) = @_;
my $string;
- $string='<select name="alt'.$sel.'"';
- $string.=" onChange='selectchange($sel)'>";
+ $string = '<select name="alt'.$sel.'"';
+ $string .= " onChange='selectchange($sel)'>";
+ $string .= "<option name='o0' value='0'>remove</option>";
for my $cur (1..$total) {
- $string.="<option name='o$cur' value='$cur'";
- if ($cur==$sel) {
- $string.="selected";
+ $string .= "<option name='o$cur' value='$cur'";
+ if ($cur == $sel) {
+ $string .= "selected";
}
- $string.=">$cur</option>";
+ $string .= ">$cur</option>";
}
- $string.="</select>\n";
+ $string .= "</select>\n";
return $string;
}
1;
__END__
-