Annotation of loncom/interface/groupsort.pm, revision 1.9
1.1 harris41 1: # The LearningOnline Network with CAPA
1.4 harris41 2: # The LON-CAPA group sort handler
3: # Allows for sorting prior to import into RAT.
4: #
1.9 ! www 5: # $Id: groupsort.pm,v 1.8 2002/05/09 20:57:26 www Exp $
1.4 harris41 6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
1.1 harris41 20: #
1.4 harris41 21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
1.1 harris41 26: #
1.4 harris41 27: # http://www.lon-capa.org/
1.1 harris41 28: #
29: # YEAR=2001
1.4 harris41 30: # 8/7,8/8,10/14,10/15,12/10 Scott Harrison
1.6 harris41 31: # YEAR=2002
32: # 1/17 Scott Harrison
1.4 harris41 33: #
34: ###
1.1 harris41 35:
36: package Apache::groupsort;
37:
38: use strict;
39:
40: use Apache::Constants qw(:common);
41: use GDBM_File;
42:
1.2 harris41 43: my %hash; # variable to tie to user specific database
44: my $iconpath; # variable to be accessible to multiple subroutines
45:
46: # ---------------------------------------------------------------- Main Handler
1.1 harris41 47: sub handler {
48: my $r = shift;
1.9 ! www 49:
! 50: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
! 51: ['acts','catalogmode','mode']);
1.2 harris41 52:
53: # color scheme
54: my $fileclr = '#ffffe6';
55: my $titleclr = '#ddffff';
56:
1.1 harris41 57: $r->content_type('text/html');
58: $r->send_http_header;
59: return OK if $r->header_only;
1.2 harris41 60:
1.8 www 61: # finish_import looks different for graphical or "simple" RAT
62: my $finishimport='';
63: if ($ENV{'form.mode'} eq 'simple') {
64: $finishimport=(<<ENDSMP);
65: function finish_import() {
66: alert("Finishing a simple import");
67: }
68: ENDSMP
69: } else {
70: $finishimport=(<<ENDADV);
71: function finish_import() {
72: var linkflag=false;
73: for (var num=0; num<document.forms.groupsort.fnum.value; num++) {
74: insertRowInLastRow();
75: placeResourceInLastRow(
76: eval("document.forms.groupsort.title"+num+".value"),
77: eval("document.forms.groupsort.filelink"+num+".value"),
78: linkflag
79: );
80: linkflag=true;
81: }
82: opener.editmode=0;
83: opener.notclear=0;
84: opener.linkmode=0;
85: opener.draw();
86: self.close();
87: }
88: ENDADV
89: }
90:
91: # output start of web page
92:
1.1 harris41 93: $r->print(<<END);
94: <html>
95: <head>
96: <title>The LearningOnline Network With CAPA Group Sorter</title>
97: <script language='javascript'>
98: function insertRowInLastRow() {
99: opener.insertrow(opener.maxrow);
100: opener.addobj(opener.maxrow,'e&2');
101: }
102: function placeResourceInLastRow (title,url,linkflag) {
1.2 harris41 103: opener.newresource(opener.maxrow,2,opener.escape(title),
104: opener.escape(url),'false','normal');
1.1 harris41 105: opener.save();
106: opener.mostrecent=opener.obj.length-1;
107: if (linkflag) {
108: opener.joinres(opener.linkmode,opener.mostrecent,0);
109: }
110: opener.linkmode=opener.mostrecent;
111: }
1.8 www 112: $finishimport
1.1 harris41 113: function selectchange(val) {
1.3 harris41 114: var newval=0+eval("document.forms.groupsort.alt"+val+".selectedIndex");
1.1 harris41 115: orderchange(val,newval);
116: }
117: function move(val,newval) {
118: orderchange(val,newval);
119: }
120: function orderchange(val,newval) {
121: document.forms.groupsort.oldval.value=val;
122: document.forms.groupsort.newval.value=newval;
123: document.forms.groupsort.submit();
124: }
125: </script>
126: </head>
127: <body bgcolor="#FFFFFF">
128: END
1.2 harris41 129:
130: # read pertinent machine configuration
1.1 harris41 131: my $domain = $r->dir_config('lonDefDomain');
1.2 harris41 132: $iconpath = $r->dir_config('lonIconsURL') . "/";
133:
134: my %shash; # sort order (key is resource location, value is sort order)
135: my %thash; # title (key is resource location, value is title)
1.9 ! www 136:
1.4 harris41 137: my $diropendb;
138: if ($ENV{'form.catalogmode'} eq 'groupsearch') {
139: $diropendb =
140: "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_searchcat.db";
141: }
142: elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
143: $diropendb =
144: "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";
1.6 harris41 145: }
146: else { # choose last accessed
147: my $dsearch; my $dindex;
148: my $dsearcht; my $dindext;
149: $dsearch =
150: "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_searchcat.db";
151: if (-e $dsearch) {
152: $dsearcht=(stat($dsearch))[9];
153: }
154: $dindex =
155: "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";
156: if (-e $dindex) {
157: $dindext=(stat($dindex))[9];
158: }
159: if (!$dsearcht and !$dindext) {
160: $diropendb='';
161: }
162: elsif ($dsearcht>$dindext) {
163: $diropendb=$dsearch;
164: }
165: else {
166: $diropendb=$dindex;
167: }
1.4 harris41 168: }
1.1 harris41 169: if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) {
1.2 harris41 170: my $acts = $ENV{'form.acts'};
171: my @Acts = split(/b/,$acts);
1.1 harris41 172: my %ahash;
173: my %achash;
1.2 harris41 174: my $ac = 0;
1.5 harris41 175: foreach (@Acts) {
1.2 harris41 176: my ($state,$ref) = split(/a/);
177: $ahash{$ref} = $state;
178: $achash{$ref} = $ac;
1.1 harris41 179: $ac++;
1.5 harris41 180: }
181: foreach (sort {$achash{$a} <=> $achash{$b}} (keys %ahash)) {
1.2 harris41 182: my $key = $_;
1.1 harris41 183: if ($ahash{$key} eq '1') {
1.3 harris41 184: # my $keyz=join("<br />",keys %hash);
185: # print "<br />$key<br />$keyz".$hash{'pre_'.$key.'_link'}."<br />\n";
1.2 harris41 186: $hash{'store_'.$hash{'pre_'.$key.'_link'}} =
1.1 harris41 187: $hash{'pre_'.$key.'_title'};
1.2 harris41 188: $hash{'storectr_'.$hash{'pre_'.$key.'_link'}} =
1.1 harris41 189: $hash{'storectr'}+0;
190: $hash{'storectr'}++;
191: }
192: if ($ahash{$key} eq '0') {
193: if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
194: delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
195: }
196: }
1.5 harris41 197: }
198: foreach (keys %hash) {
1.1 harris41 199: if ($_ =~ /^store_/) {
1.2 harris41 200: my $key = $_;
201: $key =~ s/^store_//;
202: $shash{$key} = $hash{'storectr_'.$key};
203: $thash{$key} = $hash{'store_'.$key};
1.1 harris41 204: }
1.5 harris41 205: }
1.1 harris41 206: if ($ENV{'form.oldval'}) {
1.2 harris41 207: my $newctr = 0;
1.1 harris41 208: my %chash;
1.5 harris41 209: foreach (sort {$shash{$a} <=> $shash{$b}} (keys %shash)) {
1.2 harris41 210: my $key = $_;
1.1 harris41 211: $newctr++;
1.2 harris41 212: $shash{$key} = $newctr;
213: $hash{'storectr_'.$key} = $newctr;
214: $chash{$newctr} = $key;
1.5 harris41 215: }
1.2 harris41 216: my $oldval = $ENV{'form.oldval'};
217: my $newval = $ENV{'form.newval'};
218: if ($oldval != $newval) {
1.3 harris41 219: # when newval==0, then push down and delete
220: if ($newval!=0) {
221: $shash{$chash{$oldval}} = $newval;
222: $hash{'storectr_'.$chash{$oldval}} = $newval;
223: }
224: else {
225: $shash{$chash{$oldval}} = $newctr;
226: $hash{'storectr_'.$chash{$oldval}} = $newctr;
227: }
228: if ($newval==0) { # push down
229: my $newval2=$newctr;
230: for my $idx ($oldval..($newval2-1)) {
231: $shash{$chash{$idx+1}} = $idx;
232: $hash{'storectr_'.$chash{$idx+1}} = $idx;
233: }
234: delete $shash{$chash{$oldval}};
235: delete $hash{'storectr_'.$chash{$oldval}};
236: delete $hash{'store_'.$chash{$oldval}};
237: }
238: elsif ($oldval < $newval) { # push down
1.1 harris41 239: for my $idx ($oldval..($newval-1)) {
1.2 harris41 240: $shash{$chash{$idx+1}} = $idx;
241: $hash{'storectr_'.$chash{$idx+1}} = $idx;
1.1 harris41 242: }
243: }
1.2 harris41 244: elsif ($oldval > $newval) { # push up
1.1 harris41 245: for my $idx (reverse($newval..($oldval-1))) {
1.2 harris41 246: $shash{$chash{$idx}} = $idx+1;
247: $hash{'storectr_'.$chash{$idx}} = $idx+1;
1.1 harris41 248: }
249: }
250: }
251: }
252: } else {
1.2 harris41 253: $r->print('Unable to tie hash to db file</body></html>');
1.1 harris41 254: return OK;
255: }
256: untie %hash;
1.2 harris41 257: my $ctr = 0;
258: my $clen = scalar(keys %shash);
259: $r->print('<h2><font color="#888888">The LearningOnline With CAPA '.
260: 'Group Sorter</font></h2>'."\n");
261: $r->print('<b><font color="#888888">Finalize order of resources</font>'.
262: '</b>'."\n");
263: $r->print("<form method='post' action='/adm/groupsort' name='groupsort' ".
264: "enctype='application/x-www-form-urlencoded'>");
1.1 harris41 265: $r->print(<<END);
266: <input type="hidden" name="fnum" value="$clen" />
267: <input type="hidden" name="oldval" value="" />
268: <input type="hidden" name="newval" value="" />
1.3 harris41 269: END
270: if ($ENV{'form.catalogmode'} eq 'groupimport') {
271: $r->print(<<END);
1.2 harris41 272: <input type="button" name="alter" value="GO BACK"
273: onClick="window.location='/res/?catalogmode=groupimport'" />
1.3 harris41 274: END
275: }
276: if ($ENV{'form.catalogmode'} eq 'groupsearch') {
277: $r->print(<<END);
278: <input type="button" name="alter" value="GO BACK"
279: onClick="window.location='/adm/searchcat?catalogmode=groupsearch'" />
280: END
281: }
282: $r->print(<<END);
1.2 harris41 283: <input type="button" name="alter" value="FINISH IMPORT"
284: onClick="finish_import()" />
1.1 harris41 285: <input type="button" name="alter" value="CANCEL" onClick="self.close()" />
286: END
287: $r->print("<table border='0'><tr><td bgcolor='#eeeeee'>");
288: $r->print("<table border=0><tr>\n");
1.2 harris41 289: $r->print("<td colspan='2' bgcolor='$titleclr'><b>Change order</b></td>".
290: "\n");
1.1 harris41 291: $r->print("<td colspan='2' bgcolor='$titleclr'><b>Title</b></td>\n");
292: $r->print("<td bgcolor='$titleclr'><b>Path</b></td></tr>\n");
1.5 harris41 293: foreach (sort {$shash{$a}<=>$shash{$b}} (keys %shash)) {
1.1 harris41 294: my $key=$_;
295: $ctr++;
296: my @file_ext = split(/\./,$key);
297: my $curfext = $file_ext[scalar(@file_ext)-1];
298: $r->print("<tr><td bgcolor='$fileclr'>");
299: $r->print(&movers($clen,$ctr));
300: $r->print(&hidden($ctr-1,$thash{$key},$key));
301: $r->print("</td><td bgcolor='$fileclr'>");
302: $r->print(&select_box($clen,$ctr));
303: $r->print("</td><td bgcolor='$fileclr'>");
304: $r->print("<img src='$iconpath$curfext.gif'>");
305: $r->print("</td><td bgcolor='$fileclr'>");
306: $r->print("$thash{$key}</td><td bgcolor='$fileclr'>\n");
307: $r->print("$key</td></tr>\n");
1.5 harris41 308: }
1.1 harris41 309: $r->print("</table></td></tr></table></form>");
310: $r->print(<<END);
311: </body>
312: </html>
313: END
314: return OK;
315: }
316:
1.2 harris41 317: # --------------------------------------- Hidden values (returns scalar string)
1.1 harris41 318: sub hidden {
1.2 harris41 319: my ($sel,$title,$filelink) = @_;
320: my $string = '<input type="hidden" name="title'.$sel.'" value="'.$title.
321: '" />';
322: $string .= '<input type="hidden" name="filelink'.$sel.'" value="'.
323: $filelink.'" />';
1.1 harris41 324: return $string;
325: }
326:
1.2 harris41 327: # --------------------------------------- Moving arrows (returns scalar string)
1.1 harris41 328: sub movers {
1.2 harris41 329: my ($total,$sel) = @_;
330: my $dsel = $sel-1;
331: my $usel = $sel+1;
332: $usel = 1 if $usel > $total;
333: $dsel = $total if $dsel < 1;
1.1 harris41 334: my $string;
1.2 harris41 335: $string = (<<END);
1.1 harris41 336: <table border='0' cellspacing='0' cellpadding='0'>
1.2 harris41 337: <tr><td><a href='javascript:move($sel,$dsel)'>
338: <img src="${iconpath}move_up.gif" alt='UP' border='0' /></a></td></tr>
339: <tr><td><a href='javascript:move($sel,$usel)'>
340: <img src="${iconpath}move_down.gif" alt='DOWN' border='0' /></a></td></tr>
1.1 harris41 341: </table>
342: END
343: return $string;
344: }
1.2 harris41 345:
346: # ------------------------------------------ Select box (returns scalar string)
1.1 harris41 347: sub select_box {
1.2 harris41 348: my ($total,$sel) = @_;
1.1 harris41 349: my $string;
1.2 harris41 350: $string = '<select name="alt'.$sel.'"';
351: $string .= " onChange='selectchange($sel)'>";
1.3 harris41 352: $string .= "<option name='o0' value='0'>remove</option>";
1.1 harris41 353: for my $cur (1..$total) {
1.2 harris41 354: $string .= "<option name='o$cur' value='$cur'";
355: if ($cur == $sel) {
356: $string .= "selected";
1.1 harris41 357: }
1.2 harris41 358: $string .= ">$cur</option>";
1.1 harris41 359: }
1.2 harris41 360: $string .= "</select>\n";
1.1 harris41 361: return $string;
362: }
363:
364: 1;
365:
366: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to groupsort.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface