Annotation of loncom/interface/lonpickcourse.pm, revision 1.46
1.1 www 1: # The LearningOnline Network
2: # Pick a course
3: #
1.46 ! raeburn 4: # $Id: lonpickcourse.pm,v 1.45 2006/05/09 15:09:27 albertel Exp $
1.1 www 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::lonpickcourse;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::loncommon;
34: use Apache::loncoursedata;
35: use Apache::lonnet;
1.8 www 36: use Apache::lonlocal;
1.46 ! raeburn 37: use Apache::longroup;
1.1 www 38:
39: sub handler {
40: my $r = shift;
1.8 www 41: &Apache::loncommon::content_type($r,'text/html');
1.1 www 42: $r->send_http_header;
43: return OK if $r->header_only;
44:
45: # ------------------------------------------------------------ Print the screen
1.40 albertel 46:
1.5 www 47: # Get parameters from query string
1.1 www 48: &Apache::loncommon::get_unprocessed_cgi
49: ($ENV{'QUERY_STRING'},['domainfilter','descriptfilter',
1.13 albertel 50: 'sincefilter','form','cnumelement',
1.19 raeburn 51: 'cdomelement','cnameelement','roleelement',
1.28 raeburn 52: 'pickedcourse','instcodefilter',
1.35 raeburn 53: 'ownerfilter','coursefilter','multiple']);
1.5 www 54: # domain filter and selection
1.27 albertel 55: my $domainfilter=$env{'form.domainfilter'};
1.1 www 56: $domainfilter=~s/\W//g;
1.4 www 57: unless ($domainfilter) { $domainfilter=''; }
58: my $domainselectform=&Apache::loncommon::select_dom_form($domainfilter,
59: 'domainfilter',1);
1.5 www 60: # description filter
1.27 albertel 61: my $descriptfilter=$env{'form.descriptfilter'};
1.4 www 62: unless ($descriptfilter) { $descriptfilter=''; }
1.16 albertel 63: my $listdescript=&HTML::Entities::encode($descriptfilter,'<>&"');
1.20 raeburn 64: # institutional code filter
1.27 albertel 65: my $instcodefilter=$env{'form.instcodefilter'};
1.20 raeburn 66: unless ($instcodefilter) { $instcodefilter=''; }
67: my $listinstcode=&HTML::Entities::encode($instcodefilter,'<>&"');
68: # course owner filter
1.27 albertel 69: my $ownerfilter=$env{'form.ownerfilter'};
1.20 raeburn 70: unless ($ownerfilter) { $ownerfilter=''; }
71: my $listowner=&HTML::Entities::encode($ownerfilter,'<>&"');
1.28 raeburn 72: # course ID filter for DCs only
73: my ($courseidtag,$coursefilter);
74: if ($env{'user.adv'} && $domainfilter && exists($env{'user.role.dc./'.
75: $domainfilter.'/'})) {
76: $coursefilter=$env{'form.coursefilter'};
77: unless ($coursefilter) { $coursefilter=''; }
78: my $listcourseid=&HTML::Entities::encode($coursefilter,'<>&"');
79: $courseidtag = &mt('LON-CAPA course ID');
1.37 albertel 80: $courseidtag .= qq|: <input type="text" name="coursefilter" size="25" value="$listcourseid" />
1.28 raeburn 81: <br />
82: |;
83: }
1.5 www 84: # last course activity filter and selection
1.27 albertel 85: my $sincefilter=$env{'form.sincefilter'};
1.5 www 86: $sincefilter=~s/[^\d-]//g;
87: unless ($sincefilter) { $sincefilter=-1; }
88: my $sincefilterform=&Apache::loncommon::select_form($sincefilter,
89: 'sincefilter',('-1'=>'',
90: '86400' => 'today',
91: '604800' => 'last week',
92: '2592000' => 'last month',
93: '7776000' => 'last three months',
94: '15552000' => 'last six months',
1.9 albertel 95: '31104000' => 'last year',
96: 'select_form_order' =>
97: ['-1','86400','604800','2592000','7776000',
98: '15552000','31104000']));
1.19 raeburn 99: # if called from loncreateuser, report sections, then close
1.43 raeburn 100: my (%loaditem,$seclist,$groupslist);
1.19 raeburn 101: my $num_sections = 0;
1.27 albertel 102: if ($env{'form.form'} eq 'cu' && $env{'form.pickedcourse'}) {
1.42 albertel 103: $loaditem{'onload'} ="setSections()";
1.27 albertel 104: my ($cdom,$cnum) = split/_/,$env{'form.pickedcourse'};
1.45 albertel 105:
106: my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum);
107: my @sections = (sort {$a <=> $b} keys(%sections_count));
108: $seclist = join('","',@sections);
109:
1.46 ! raeburn 110: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
1.44 albertel 111: $groupslist = join(',',sort(keys(%curr_groups)));
1.19 raeburn 112: }
1.30 raeburn 113: my $jscript;
114: my $title = 'Selecting a course';
1.35 raeburn 115: # Setup for multiple course selections, if flag for multiples set.
116: my $multiple = $env{'form.multiple'};
117: my $multelement;
118: if ($multiple) {
1.30 raeburn 119: $title = 'Selecting course(s)';
120: $jscript = &Apache::loncommon::check_uncheck_jscript();
1.35 raeburn 121: $multelement = '<input type="hidden" name="multiple" value="'.$multiple.'" />';
1.30 raeburn 122: }
1.41 albertel 123: $r->print(&Apache::loncommon::start_page($title,undef,
1.42 albertel 124: {'add_entries' => \%loaditem,
1.41 albertel 125: 'no_nav_bar' => 1, }));
1.8 www 126: my %lt=&Apache::lonlocal::texthash(
127: 'cac' => 'Course Activity',
128: 'cde' => 'Course Description',
1.20 raeburn 129: 'cdo' => 'Course Domain',
130: 'cin' => 'Course Institutional Code',
1.38 www 131: 'cow' => "Course Owner's Username");
1.13 albertel 132: my ($name_code,$name_input);
1.27 albertel 133: if (defined($env{'form.cnameelement'}) && $env{'form.cnameelement'} ne '') {
134: $name_code = "opener.document.$env{'form.form'}.$env{'form.cnameelement'}.value=cdesc;";
1.13 albertel 135: $name_input ='<input type="hidden" name="cnameelement" value="'.
1.27 albertel 136: $env{'form.cnameelement'}.'" />';
1.13 albertel 137: }
1.18 raeburn 138: my $submitopener = '';
139: my $autosubmit = '';
140: my $roleelement = '';
1.19 raeburn 141: my $lastaction = 'self.close()';
1.27 albertel 142: if ($env{'form.form'} eq 'cu') {
1.19 raeburn 143: $lastaction = 'document.courselist.pickedcourse.value = cdom+"_"+cname;'."\n".
144: 'document.courselist.submit();';
145: }
1.27 albertel 146: my $roledom = $env{'form.roleelement'};
1.18 raeburn 147: if ($roledom) {
148: $roleelement = '<input type="hidden" name="roleelement" value="'.$roledom.'" />';
1.36 raeburn 149: $submitopener = &Apache::lonroles::processpick();
1.18 raeburn 150: $autosubmit = 'process_pick("'.$roledom.'")';
151: }
1.1 www 152: $r->print(<<ENDSCRIPT);
153: <script>
1.35 raeburn 154: function gochoose(cname,cdom,cdesc,multiple,caller) {
1.27 albertel 155: var openerForm = "$env{'form.form'}";
1.30 raeburn 156: courseCount = 0;
157: var courses = '';
1.35 raeburn 158: if (multiple) {
1.33 albertel 159: if (typeof(document.courselist.course_id.length) == 'undefined') {
160: // only 1 course checkbox was created
161: if (document.courselist.course_id.checked) {
162: courses = courses + document.courselist.course_id.value + "&&";
163: courseCount ++;
164: }
165: } else {
166: for (var j=0; j<document.courselist.course_id.length; j++) {
167: if (document.courselist.course_id[j].checked) {
168: courses = courses + document.courselist.course_id[j].value + "&&";
169: courseCount ++;
170: }
171: }
172: }
1.30 raeburn 173: opener.document.$env{'form.form'}.coursetotal.value = courseCount;
1.33 albertel 174: if (typeof(opener.document.$env{'form.form'}.coursepick.length) ==
175: 'undefined') {
176: if (opener.document.$env{'form.form'}.coursepick.value == 'specific') {
177: opener.document.$env{'form.form'}.coursepick.checked = true;
178: } else {
179: opener.document.$env{'form.form'}.coursepick.checked = false;
180: }
181: } else {
182: for (var j=0; j<opener.document.$env{'form.form'}.coursepick.length; j++) {
183: if (opener.document.$env{'form.form'}.coursepick[j].value == 'specific') {
184: opener.document.$env{'form.form'}.coursepick[j].checked = true;
1.34 albertel 185: } else {
1.33 albertel 186: opener.document.$env{'form.form'}.coursepick[j].checked = false;
187: }
188: }
189: }
190: if (courseCount > 0) {
191: courses = courses.substr(0,courses.length-2);
192: opener.document.$env{'form.form'}.courselist.value = courses;
193: }
1.34 albertel 194: } else {
1.30 raeburn 195: $name_code
196: opener.document.$env{'form.form'}.$env{'form.cnumelement'}.value=cname;
1.35 raeburn 197: var slct=opener.document.$env{'form.form'}.$env{'form.cdomelement'};
198: if (slct.options == undefined) {
1.30 raeburn 199: opener.document.$env{'form.form'}.$env{'form.cdomelement'}.value=cdom;
1.35 raeburn 200: }
201: else {
1.30 raeburn 202: var i;
203: for (i=0;i<slct.length;i++) {
204: if (slct.options[i].value==cdom) { slct.selectedIndex=i; }
205: }
1.19 raeburn 206: }
1.1 www 207: }
1.18 raeburn 208: $autosubmit
1.19 raeburn 209: $lastaction
210: }
211:
212: function setSections() {
213: var numSections = $num_sections
214: var sectionsArray = new Array("$seclist")
1.27 albertel 215: opener.document.$env{"form.form"}.currsec.length = 0
1.19 raeburn 216: if (numSections == 0) {
1.27 albertel 217: opener.document.$env{"form.form"}.currsec.multiple=false
218: opener.document.$env{"form.form"}.currsec.size=1;
219: opener.document.$env{"form.form"}.currsec.options[0] = new Option('No existing sections','',false,false)
1.34 albertel 220: } else {
1.23 raeburn 221: if (numSections == 1) {
1.27 albertel 222: opener.document.$env{"form.form"}.currsec.multiple=false;
223: opener.document.$env{"form.form"}.currsec.size=1;
224: opener.document.$env{"form.form"}.currsec.options[0] = new Option('Select','',true,true);
225: opener.document.$env{"form.form"}.currsec.options[1] = new Option('No section','',false,false)
226: opener.document.$env{"form.form"}.currsec.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
1.34 albertel 227: } else {
1.23 raeburn 228: for (var i=0; i<numSections; i++) {
1.27 albertel 229: opener.document.$env{"form.form"}.currsec.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
1.23 raeburn 230: }
1.27 albertel 231: opener.document.$env{"form.form"}.currsec.multiple=true
1.23 raeburn 232: if (numSections < 3) {
1.27 albertel 233: opener.document.$env{"form.form"}.currsec.size=numSections;
1.34 albertel 234: } else {
1.27 albertel 235: opener.document.$env{"form.form"}.currsec.size=3;
1.23 raeburn 236: }
1.27 albertel 237: opener.document.$env{"form.form"}.currsec.options[0].selected = false
1.19 raeburn 238: }
239: }
1.43 raeburn 240: opener.document.$env{"form.form"}.groups.value='$groupslist';
1.19 raeburn 241: self.close()
1.1 www 242: }
1.30 raeburn 243:
244: $jscript
1.1 www 245: </script>
1.18 raeburn 246: $submitopener
1.30 raeburn 247: <form method="post" name="filterpicker">
1.27 albertel 248: <input type="hidden" name="cnumelement" value="$env{'form.cnumelement'}" />
249: <input type="hidden" name="cdomelement" value="$env{'form.cdomelement'}" />
1.13 albertel 250: $name_input
1.27 albertel 251: <input type="hidden" name="form" value="$env{'form.form'}" />
1.18 raeburn 252: $roleelement
1.35 raeburn 253: $multelement
1.8 www 254: $lt{'cac'}: $sincefilterform
1.4 www 255: <br />
1.8 www 256: $lt{'cdo'}: $domainselectform
1.4 www 257: <br />
1.20 raeburn 258: $lt{'cin'}:
259: <input type="text" name="instcodefilter" size="10" value="$listinstcode" />
260: <br />
261: $lt{'cow'}:
262: <input type="text" name="ownerfilter" size="10" value="$listowner" />
263: <br />
1.28 raeburn 264: $courseidtag
1.8 www 265: $lt{'cde'}:
1.15 www 266: <input type="text" name="descriptfilter" size="40" value="$listdescript" />
1.5 www 267: <p><input type="submit" name="gosearch" value="Search" /></p>
1.4 www 268: </form>
1.5 www 269: <hr />
1.1 www 270: ENDSCRIPT
1.2 www 271: # ---------------------------------------------------------------- Get the data
1.27 albertel 272: if ($env{'form.gosearch'}) {
1.8 www 273: $r->print(&mt('Searching').' ...<br /> <br />');
1.6 www 274: $r->rflush();
1.5 www 275: unless ($descriptfilter) { $descriptfilter='.'; }
1.20 raeburn 276: unless ($instcodefilter) { $instcodefilter='.'; }
277: unless ($ownerfilter) { $ownerfilter='.'; }
1.28 raeburn 278: unless ($coursefilter) { $coursefilter='.'; }
1.5 www 279: my $timefilter=($sincefilter==-1?1:time-$sincefilter);
280: my %courses=
281: &Apache::lonnet::courseiddump
1.28 raeburn 282: ($domainfilter,$descriptfilter,$timefilter,$instcodefilter,$ownerfilter,$coursefilter);
1.19 raeburn 283: $r->print('<form name="courselist">');
1.10 albertel 284: my %by_descrip;
1.31 albertel 285: my $numcourses = keys(%courses);
286: foreach my $course (keys(%courses)) {
1.17 raeburn 287: my $descr;
1.38 www 288: if ($courses{$course} =~ m/^([^:]*):/i) {
1.17 raeburn 289: $descr = &Apache::lonnet::unescape($1);
290: } else {
291: $descr = &Apache::lonnet::unescape($courses{$course});
292: }
1.38 www 293: my $description = $descr;
1.25 raeburn 294: push (@{$by_descrip{$description}}, $course);
1.10 albertel 295: }
1.35 raeburn 296: if ($numcourses > 1 && $multiple) {
1.30 raeburn 297: $r->print('<input type="button" value="check all"
298: onclick="javascript:checkAll(document.courselist.course_id)" /> <input type="button" value="uncheck all"
299: onclick="javascript:uncheckAll(document.courselist.course_id)" />
300: <br /><br />');
301: }
1.39 albertel 302: foreach my $description (sort
303: { lc($a) cmp lc($b) } (keys(%by_descrip))) {
1.24 raeburn 304: foreach my $course (@{$by_descrip{$description}}) {
305: my $cleandesc=&HTML::Entities::encode($description,'<>&"');
306: $cleandesc=~s/'/\\'/g;
307: my ($cdom,$cnum)=split(/\_/,$course);
308: my ($descr,$instcode,$owner) = split/:/,$courses{$course};
1.35 raeburn 309: $r->print(&course_chooser($multiple,$cdom,$cnum,$cleandesc));
1.30 raeburn 310: $r->print($description.'('.
1.24 raeburn 311: ($Apache::lonnet::domaindescription{$cdom}?
312: $Apache::lonnet::domaindescription{$cdom}:$cdom).")");
313: unless ($instcode eq '') {
314: $r->print(" - ".&Apache::lonnet::unescape($instcode));
315: }
316: unless ($owner eq '') {
317: $r->print(", owner - ".&Apache::lonnet::unescape($owner));
318: }
1.35 raeburn 319: if ($multiple) { $r->print("</label>\n"); }
1.24 raeburn 320: $r->print("<br />\n");
321: }
1.5 www 322: }
1.30 raeburn 323: if (!%courses) {
324: $r->print(&mt('None found'));
1.35 raeburn 325: } elsif ($multiple) {
1.30 raeburn 326: $r->print('<input type="button" value="Submit" onClick="gochoose('."'','','',1)".'" />');
327: }
1.27 albertel 328: $r->print('<input type="hidden" name="form" value="'.$env{'form.form'}.'" />'."\n".
1.19 raeburn 329: '<input type="hidden" name="pickedcourse" value="" />'."\n".
1.27 albertel 330: '<input type="hidden" name="cnumelement" value="'.$env{'form.cnumelement'}.'" />'."\n".
1.36 raeburn 331: '<input type="hidden" name="cdomelement" value="'.$env{'form.cdomelement'}.'" />'."\n");
332: if ((exists($env{'form.roleelement'})) && ($env{'form.form'} eq 'rolechoice')) {
333: $r->print('<input type="hidden" name="roleelement" value="'.$env{'form.roleelement'}.'" />'."\n");
334: }
335: $r->print("</form>\n");
1.2 www 336: }
1.40 albertel 337: $r->print(&Apache::loncommon::end_page());
1.1 www 338: return OK;
1.18 raeburn 339: }
1.1 www 340:
1.30 raeburn 341: sub course_chooser {
1.35 raeburn 342: my ($multiple,$cdom,$cnum,$cleandesc) = @_;
1.30 raeburn 343: my $output;
1.35 raeburn 344: if ($multiple) {
1.32 albertel 345: $output = '<label><input type="checkbox" name="course_id" value="'.$cdom.'_'.$cnum.'" />'."\n";
1.30 raeburn 346: } else {
347: $output = '<input type="button" value="Select" onClick="gochoose('.
348: "'".$cnum."','".$cdom."','".$cleandesc."')".'" />'."\n";
349: }
350: return $output;
351: }
352:
1.1 www 353: 1;
354: __END__
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