Annotation of loncom/interface/lonwishlistdisplay.pm, revision 1.2
1.1 wenzelju 1: # The LearningOnline Network with CAPA
2: # Routines to display the wishlist (handler)
3: #
1.2 ! wenzelju 4: # $Id: lonwishlistdisplay.pm,v 1.1 2011/01/27 14:38:44 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;
32: use Apache::Constants qw(:common);
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) = @_;
51: &Apache::loncommon::content_type($r,'text/html');
52: $r->send_http_header;
53:
54: if (&Apache::lonwishlist::getWishlist() ne 'error') {
55: # get wishlist entries from user-data db-file and build a tree out of these entries
56: %TreeHash = &Apache::lonwishlist::getWishlist();
57:
58: $root = &Apache::Tree::HashToTree(\%TreeHash);
59: @childrenRt = $root->children();
60:
61: # create a new entry
62: if ($env{'form.title'}) {
63: $root = &Apache::lonwishlist::newEntry($root, $env{'form.title'}, $env{'form.path'}, $env{'form.note'});
64: }
65:
66: # get unprocessed_cgi (i.e. marked entries, mode ...)
1.2 ! wenzelju 67: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['action','mark','markedToMove','mode','newtitle','note','rat','setTitle','setPath']);
1.1 wenzelju 68:
69: # change the order of entries within a level, that means sorting the entries
70: my $changeOrder = 0;
71: if (defined $env{'form.sel'}) {
72: my @sel = &Apache::loncommon::get_env_multiple('form.sel');
73: my $indexNode;
74: my $at;
75: for (my $s=0; $s<($#sel+1); $s++) {
76: if ($sel[$s] ne '') {
77: $indexNode = $s;
78: $at = $sel[$s]-1;
79: }
80: }
81: if ($at ne '') {
82: $changeOrder = 1;
83: $root = &Apache::lonwishlist::sortEntries($root, $indexNode,$at);
84: }
85: }
86:
87: # get all marked (checkboxes) entries
88: my @marked = ();
89: if (defined $env{'form.mark'}) {
90: @marked = &Apache::loncommon::get_env_multiple('form.mark');
91: }
92:
93: # move entries from one folder to another
94: if (defined $env{'form.markedToMove'}) {
95: my $markedToMove = $env{'form.markedToMove'};
96: my @ToMove = split(/\,/,$markedToMove);
97: my $moveTo = $env{'form.mark'};
98: if (defined $moveTo){
99: $root = &Apache::lonwishlist::moveEntries($root, \@ToMove,$moveTo);
100: }
101: $changeOrder = 1;
102:
103: }
104:
105: # delete entries
106: if ($env{'form.action'} eq 'delete') {
107: $root = &Apache::lonwishlist::deleteEntries($root, \@marked);
108: }
109:
110:
111: # get all titles and notes and save them
112: # only save, if user wants to save changes
113: # do not save, when current action is 'delete' or 'sort' or 'move'
114: my @newTitles = ();
115: my @newPaths = ();
116: my @newNotes = ();
117: if ((defined $env{'form.newtitle'} || defined $env{'form.newpath'} || defined $env{'form.newnote'})
118: && ($env{'form.action'} ne 'noSave') && ($env{'form.action'} ne 'delete') && !$changeOrder) {
119: @newTitles = &Apache::loncommon::get_env_multiple('form.newtitle');
120: @newPaths = &Apache::loncommon::get_env_multiple('form.newpath');
121: @newNotes = &Apache::loncommon::get_env_multiple('form.newnote');
122: my $node = 0;
123: foreach my $t (@newTitles) {
124: $root = &Apache::lonwishlist::setNewTitle($root, $node, $t);
125: $node++;
126: }
127: $node = 0;
128: my $path = 0;
129: for (my $i = 0; $i < ($#newTitles+1); $i++ ) {
130: if (&Apache::lonwishlist::setNewPath($root, $node, $newPaths[$path])) {
131: $path++;
132: }
133: $node++;
134: }
135: $node = 0;
136: foreach my $n (@newNotes) {
137: $root = &Apache::lonwishlist::setNewNote($root, $node, $n);
138: $node++;
139: }
140: }
141:
142: # Create HTML-markup
143: my $page;
144: if ($env{'form.mode'} eq 'edit') {
145: $page = &Apache::lonwishlist::makePage($root, "edit");
146: }
147: elsif ($env{'form.mode'} eq 'move') {
148: $page = &Apache::lonwishlist::makePage($root, "move", \@marked);
149: }
150: elsif ($env{'form.mode'} eq 'import') {
151: $page = &Apache::lonwishlist::makePageImport($root, $env{'form.rat'});
152: }
1.2 ! wenzelju 153: elsif ($env{'form.mode'} eq 'newLink') {
! 154: $page = &Apache::lonwishlist::makePopUpNewLink($env{'form.setTitle'},$env{'form.setPath'});
! 155: }
! 156: elsif ($env{'form.mode'} eq 'newFolder') {
! 157: $page = &Apache::lonwishlist::makePopUpNewFolder();
! 158: }
1.1 wenzelju 159: elsif ($env{'form.mode'} eq 'set') {
160: $page = &Apache::lonwishlist::makePageSet();
161: }
162: else {
163: $page = &Apache::lonwishlist::makePage($root, "view");
164: }
165: @marked = ();
166: $r->print($page);
167: }
168: # An error occured, print an error-page
169: else {
170: my $errorPage = &Apache::lonwishlist::makeErrorPage();
171: $r->print($errorPage);
172: }
173: return OK;
174: }
175:
176: 1;
177: __END__
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