Annotation of loncom/interface/lonwishlistdisplay.pm, revision 1.1
1.1 ! wenzelju 1: # The LearningOnline Network with CAPA
! 2: # Routines to display the wishlist (handler)
! 3: #
! 4: # $Id: lonwishlistdisplay.pm,v 1.1 2011/01/27 15:00:00 wenzelju Exp $
! 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'}, $env{'form.note'});
! 64: }
! 65:
! 66: # get unprocessed_cgi (i.e. marked entries, mode ...)
! 67: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['action','mark','markedToMove','mode','newtitle','note','rat']);
! 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, $env{'form.rat'});
! 152: }
! 153: elsif ($env{'form.mode'} eq 'set') {
! 154: $page = &Apache::lonwishlist::makePageSet();
! 155: }
! 156: else {
! 157: $page = &Apache::lonwishlist::makePage($root, "view");
! 158: }
! 159: @marked = ();
! 160: $r->print($page);
! 161: }
! 162: # An error occured, print an error-page
! 163: else {
! 164: my $errorPage = &Apache::lonwishlist::makeErrorPage();
! 165: $r->print($errorPage);
! 166: }
! 167: return OK;
! 168: }
! 169:
! 170: 1;
! 171: __END__
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