Annotation of loncom/interface/lonwishlistdisplay.pm, revision 1.3
1.1 wenzelju 1: # The LearningOnline Network with CAPA
2: # Routines to display the wishlist (handler)
3: #
1.3 ! raeburn 4: # $Id: lonwishlistdisplay.pm,v 1.2 2011/02/15 14:54:51 wenzelju Exp $
1.1 wenzelju 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: package Apache::lonwishlistdisplay;
30:
31: use strict;
1.3 ! raeburn 32: use Apache::Constants qw(:common :http);
1.1 wenzelju 33: use Apache::lonnet;
34: use Apache::loncommon();
35: use Apache::lonhtmlcommon;
36: use Apache::lonlocal;
37: use Apache::lonwishlist;
38: use LONCAPA;
39: use Tree;
40:
41:
42: # Global variables
43: my $root;
44: my @childrenRt;
45: my %TreeHash;
46:
47:
48: # ----------------------------------------------------- Main Handler, package lonwishlistdisplay
49: sub handler {
50: my ($r) = @_;
1.3 ! raeburn 51:
! 52: if ($r->header_only) {
! 53: &Apache::loncommon::content_type($r,'text/html');
! 54: $r->send_http_header;
! 55: return OK;
! 56: }
! 57:
! 58: if ((&Apache::lonnet::allowed('bre',"/res/$env{'user.domain'}/")) ||
! 59: (&Apache::lonnet::allowed('bro',"/res/$env{'user.domain'}/"))) {
! 60: &Apache::loncommon::content_type($r,'text/html');
! 61: $r->send_http_header;
! 62: } else {
! 63: $env{'user.error.msg'}=
! 64: "/adm/wishlist:bre:0:0:No rights to access Stored Links";
! 65: return HTTP_NOT_ACCEPTABLE;
! 66: }
1.1 wenzelju 67:
68: if (&Apache::lonwishlist::getWishlist() ne 'error') {
69: # get wishlist entries from user-data db-file and build a tree out of these entries
70: %TreeHash = &Apache::lonwishlist::getWishlist();
71:
72: $root = &Apache::Tree::HashToTree(\%TreeHash);
73: @childrenRt = $root->children();
74:
75: # create a new entry
76: if ($env{'form.title'}) {
77: $root = &Apache::lonwishlist::newEntry($root, $env{'form.title'}, $env{'form.path'}, $env{'form.note'});
78: }
79:
80: # get unprocessed_cgi (i.e. marked entries, mode ...)
1.2 wenzelju 81: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['action','mark','markedToMove','mode','newtitle','note','rat','setTitle','setPath']);
1.1 wenzelju 82:
83: # change the order of entries within a level, that means sorting the entries
84: my $changeOrder = 0;
85: if (defined $env{'form.sel'}) {
86: my @sel = &Apache::loncommon::get_env_multiple('form.sel');
87: my $indexNode;
88: my $at;
89: for (my $s=0; $s<($#sel+1); $s++) {
90: if ($sel[$s] ne '') {
91: $indexNode = $s;
92: $at = $sel[$s]-1;
93: }
94: }
95: if ($at ne '') {
96: $changeOrder = 1;
97: $root = &Apache::lonwishlist::sortEntries($root, $indexNode,$at);
98: }
99: }
100:
101: # get all marked (checkboxes) entries
102: my @marked = ();
103: if (defined $env{'form.mark'}) {
104: @marked = &Apache::loncommon::get_env_multiple('form.mark');
105: }
106:
107: # move entries from one folder to another
108: if (defined $env{'form.markedToMove'}) {
109: my $markedToMove = $env{'form.markedToMove'};
110: my @ToMove = split(/\,/,$markedToMove);
111: my $moveTo = $env{'form.mark'};
112: if (defined $moveTo){
113: $root = &Apache::lonwishlist::moveEntries($root, \@ToMove,$moveTo);
114: }
115: $changeOrder = 1;
116:
117: }
118:
119: # delete entries
120: if ($env{'form.action'} eq 'delete') {
121: $root = &Apache::lonwishlist::deleteEntries($root, \@marked);
122: }
123:
124:
125: # get all titles and notes and save them
126: # only save, if user wants to save changes
127: # do not save, when current action is 'delete' or 'sort' or 'move'
128: my @newTitles = ();
129: my @newPaths = ();
130: my @newNotes = ();
131: if ((defined $env{'form.newtitle'} || defined $env{'form.newpath'} || defined $env{'form.newnote'})
132: && ($env{'form.action'} ne 'noSave') && ($env{'form.action'} ne 'delete') && !$changeOrder) {
133: @newTitles = &Apache::loncommon::get_env_multiple('form.newtitle');
134: @newPaths = &Apache::loncommon::get_env_multiple('form.newpath');
135: @newNotes = &Apache::loncommon::get_env_multiple('form.newnote');
136: my $node = 0;
137: foreach my $t (@newTitles) {
138: $root = &Apache::lonwishlist::setNewTitle($root, $node, $t);
139: $node++;
140: }
141: $node = 0;
142: my $path = 0;
143: for (my $i = 0; $i < ($#newTitles+1); $i++ ) {
144: if (&Apache::lonwishlist::setNewPath($root, $node, $newPaths[$path])) {
145: $path++;
146: }
147: $node++;
148: }
149: $node = 0;
150: foreach my $n (@newNotes) {
151: $root = &Apache::lonwishlist::setNewNote($root, $node, $n);
152: $node++;
153: }
154: }
155:
156: # Create HTML-markup
157: my $page;
158: if ($env{'form.mode'} eq 'edit') {
159: $page = &Apache::lonwishlist::makePage($root, "edit");
160: }
161: elsif ($env{'form.mode'} eq 'move') {
162: $page = &Apache::lonwishlist::makePage($root, "move", \@marked);
163: }
164: elsif ($env{'form.mode'} eq 'import') {
165: $page = &Apache::lonwishlist::makePageImport($root, $env{'form.rat'});
166: }
1.2 wenzelju 167: elsif ($env{'form.mode'} eq 'newLink') {
168: $page = &Apache::lonwishlist::makePopUpNewLink($env{'form.setTitle'},$env{'form.setPath'});
169: }
170: elsif ($env{'form.mode'} eq 'newFolder') {
171: $page = &Apache::lonwishlist::makePopUpNewFolder();
172: }
1.1 wenzelju 173: elsif ($env{'form.mode'} eq 'set') {
174: $page = &Apache::lonwishlist::makePageSet();
175: }
176: else {
177: $page = &Apache::lonwishlist::makePage($root, "view");
178: }
179: @marked = ();
180: $r->print($page);
181: }
182: # An error occured, print an error-page
183: else {
184: my $errorPage = &Apache::lonwishlist::makeErrorPage();
185: $r->print($errorPage);
186: }
187: return OK;
188: }
189:
190: 1;
191: __END__
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