Annotation of loncom/interface/lonpickcourse.pm, revision 1.38
1.1 www 1: # The LearningOnline Network
2: # Pick a course
3: #
1.38 ! www 4: # $Id: lonpickcourse.pm,v 1.37 2006/01/10 21:36:45 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;
1.1 www 37:
38: sub handler {
39: my $r = shift;
1.8 www 40: &Apache::loncommon::content_type($r,'text/html');
1.1 www 41: $r->send_http_header;
42: return OK if $r->header_only;
43:
44: # ------------------------------------------------------------ Print the screen
1.26 albertel 45: my $html=&Apache::lonxml::xmlbegin();
1.1 www 46: $r->print(<<ENDDOCUMENT);
1.26 albertel 47: $html
1.1 www 48: <head>
49: <title>The LearningOnline Network with CAPA</title>
50: </head>
51: ENDDOCUMENT
1.5 www 52: # Get parameters from query string
1.1 www 53: &Apache::loncommon::get_unprocessed_cgi
54: ($ENV{'QUERY_STRING'},['domainfilter','descriptfilter',
1.13 albertel 55: 'sincefilter','form','cnumelement',
1.19 raeburn 56: 'cdomelement','cnameelement','roleelement',
1.28 raeburn 57: 'pickedcourse','instcodefilter',
1.35 raeburn 58: 'ownerfilter','coursefilter','multiple']);
1.5 www 59: # domain filter and selection
1.27 albertel 60: my $domainfilter=$env{'form.domainfilter'};
1.1 www 61: $domainfilter=~s/\W//g;
1.4 www 62: unless ($domainfilter) { $domainfilter=''; }
63: my $domainselectform=&Apache::loncommon::select_dom_form($domainfilter,
64: 'domainfilter',1);
1.5 www 65: # description filter
1.27 albertel 66: my $descriptfilter=$env{'form.descriptfilter'};
1.4 www 67: unless ($descriptfilter) { $descriptfilter=''; }
1.16 albertel 68: my $listdescript=&HTML::Entities::encode($descriptfilter,'<>&"');
1.20 raeburn 69: # institutional code filter
1.27 albertel 70: my $instcodefilter=$env{'form.instcodefilter'};
1.20 raeburn 71: unless ($instcodefilter) { $instcodefilter=''; }
72: my $listinstcode=&HTML::Entities::encode($instcodefilter,'<>&"');
73: # course owner filter
1.27 albertel 74: my $ownerfilter=$env{'form.ownerfilter'};
1.20 raeburn 75: unless ($ownerfilter) { $ownerfilter=''; }
76: my $listowner=&HTML::Entities::encode($ownerfilter,'<>&"');
1.28 raeburn 77: # course ID filter for DCs only
78: my ($courseidtag,$coursefilter);
79: if ($env{'user.adv'} && $domainfilter && exists($env{'user.role.dc./'.
80: $domainfilter.'/'})) {
81: $coursefilter=$env{'form.coursefilter'};
82: unless ($coursefilter) { $coursefilter=''; }
83: my $listcourseid=&HTML::Entities::encode($coursefilter,'<>&"');
84: $courseidtag = &mt('LON-CAPA course ID');
1.37 albertel 85: $courseidtag .= qq|: <input type="text" name="coursefilter" size="25" value="$listcourseid" />
1.28 raeburn 86: <br />
87: |;
88: }
1.5 www 89: # last course activity filter and selection
1.27 albertel 90: my $sincefilter=$env{'form.sincefilter'};
1.5 www 91: $sincefilter=~s/[^\d-]//g;
92: unless ($sincefilter) { $sincefilter=-1; }
93: my $sincefilterform=&Apache::loncommon::select_form($sincefilter,
94: 'sincefilter',('-1'=>'',
95: '86400' => 'today',
96: '604800' => 'last week',
97: '2592000' => 'last month',
98: '7776000' => 'last three months',
99: '15552000' => 'last six months',
1.9 albertel 100: '31104000' => 'last year',
101: 'select_form_order' =>
102: ['-1','86400','604800','2592000','7776000',
103: '15552000','31104000']));
1.19 raeburn 104: # if called from loncreateuser, report sections, then close
105: my ($loaditem,$seclist);
106: my $num_sections = 0;
1.27 albertel 107: if ($env{'form.form'} eq 'cu' && $env{'form.pickedcourse'}) {
1.19 raeburn 108: $loaditem = 'onLoad="setSections()"';
1.27 albertel 109: my ($cdom,$cnum) = split/_/,$env{'form.pickedcourse'};
1.19 raeburn 110: my %sections_count = ();
111: $num_sections = &Apache::loncommon::get_sections($cdom,$cnum,\%sections_count);
112: my @sections = ();
113: if ($num_sections > 0) {
1.31 albertel 114: @sections = (sort {$a <=> $b} keys(%sections_count));
1.19 raeburn 115: $seclist = join('","',@sections);
116: }
117: }
1.30 raeburn 118: my $jscript;
119: my $title = 'Selecting a course';
1.35 raeburn 120: # Setup for multiple course selections, if flag for multiples set.
121: my $multiple = $env{'form.multiple'};
122: my $multelement;
123: if ($multiple) {
1.30 raeburn 124: $title = 'Selecting course(s)';
125: $jscript = &Apache::loncommon::check_uncheck_jscript();
1.35 raeburn 126: $multelement = '<input type="hidden" name="multiple" value="'.$multiple.'" />';
1.30 raeburn 127: }
128: $r->print(&Apache::loncommon::bodytag($title,undef,$loaditem,undef,undef,undef,undef,1));
1.8 www 129: my %lt=&Apache::lonlocal::texthash(
130: 'cac' => 'Course Activity',
131: 'cde' => 'Course Description',
1.20 raeburn 132: 'cdo' => 'Course Domain',
133: 'cin' => 'Course Institutional Code',
1.38 ! www 134: 'cow' => "Course Owner's Username");
1.13 albertel 135: my ($name_code,$name_input);
1.27 albertel 136: if (defined($env{'form.cnameelement'}) && $env{'form.cnameelement'} ne '') {
137: $name_code = "opener.document.$env{'form.form'}.$env{'form.cnameelement'}.value=cdesc;";
1.13 albertel 138: $name_input ='<input type="hidden" name="cnameelement" value="'.
1.27 albertel 139: $env{'form.cnameelement'}.'" />';
1.13 albertel 140: }
1.18 raeburn 141: my $submitopener = '';
142: my $autosubmit = '';
143: my $roleelement = '';
1.19 raeburn 144: my $lastaction = 'self.close()';
1.27 albertel 145: if ($env{'form.form'} eq 'cu') {
1.19 raeburn 146: $lastaction = 'document.courselist.pickedcourse.value = cdom+"_"+cname;'."\n".
147: 'document.courselist.submit();';
148: }
1.27 albertel 149: my $roledom = $env{'form.roleelement'};
1.18 raeburn 150: if ($roledom) {
151: $roleelement = '<input type="hidden" name="roleelement" value="'.$roledom.'" />';
1.36 raeburn 152: $submitopener = &Apache::lonroles::processpick();
1.18 raeburn 153: $autosubmit = 'process_pick("'.$roledom.'")';
154: }
1.1 www 155: $r->print(<<ENDSCRIPT);
156: <script>
1.35 raeburn 157: function gochoose(cname,cdom,cdesc,multiple,caller) {
1.27 albertel 158: var openerForm = "$env{'form.form'}";
1.30 raeburn 159: courseCount = 0;
160: var courses = '';
1.35 raeburn 161: if (multiple) {
1.33 albertel 162: if (typeof(document.courselist.course_id.length) == 'undefined') {
163: // only 1 course checkbox was created
164: if (document.courselist.course_id.checked) {
165: courses = courses + document.courselist.course_id.value + "&&";
166: courseCount ++;
167: }
168: } else {
169: for (var j=0; j<document.courselist.course_id.length; j++) {
170: if (document.courselist.course_id[j].checked) {
171: courses = courses + document.courselist.course_id[j].value + "&&";
172: courseCount ++;
173: }
174: }
175: }
1.30 raeburn 176: opener.document.$env{'form.form'}.coursetotal.value = courseCount;
1.33 albertel 177: if (typeof(opener.document.$env{'form.form'}.coursepick.length) ==
178: 'undefined') {
179: if (opener.document.$env{'form.form'}.coursepick.value == 'specific') {
180: opener.document.$env{'form.form'}.coursepick.checked = true;
181: } else {
182: opener.document.$env{'form.form'}.coursepick.checked = false;
183: }
184: } else {
185: for (var j=0; j<opener.document.$env{'form.form'}.coursepick.length; j++) {
186: if (opener.document.$env{'form.form'}.coursepick[j].value == 'specific') {
187: opener.document.$env{'form.form'}.coursepick[j].checked = true;
1.34 albertel 188: } else {
1.33 albertel 189: opener.document.$env{'form.form'}.coursepick[j].checked = false;
190: }
191: }
192: }
193: if (courseCount > 0) {
194: courses = courses.substr(0,courses.length-2);
195: opener.document.$env{'form.form'}.courselist.value = courses;
196: }
1.34 albertel 197: } else {
1.30 raeburn 198: $name_code
199: opener.document.$env{'form.form'}.$env{'form.cnumelement'}.value=cname;
1.35 raeburn 200: var slct=opener.document.$env{'form.form'}.$env{'form.cdomelement'};
201: if (slct.options == undefined) {
1.30 raeburn 202: opener.document.$env{'form.form'}.$env{'form.cdomelement'}.value=cdom;
1.35 raeburn 203: }
204: else {
1.30 raeburn 205: var i;
206: for (i=0;i<slct.length;i++) {
207: if (slct.options[i].value==cdom) { slct.selectedIndex=i; }
208: }
1.19 raeburn 209: }
1.1 www 210: }
1.18 raeburn 211: $autosubmit
1.19 raeburn 212: $lastaction
213: }
214:
215: function setSections() {
216: var numSections = $num_sections
217: var sectionsArray = new Array("$seclist")
1.27 albertel 218: opener.document.$env{"form.form"}.currsec.length = 0
1.19 raeburn 219: if (numSections == 0) {
1.27 albertel 220: opener.document.$env{"form.form"}.currsec.multiple=false
221: opener.document.$env{"form.form"}.currsec.size=1;
222: opener.document.$env{"form.form"}.currsec.options[0] = new Option('No existing sections','',false,false)
1.34 albertel 223: } else {
1.23 raeburn 224: if (numSections == 1) {
1.27 albertel 225: opener.document.$env{"form.form"}.currsec.multiple=false;
226: opener.document.$env{"form.form"}.currsec.size=1;
227: opener.document.$env{"form.form"}.currsec.options[0] = new Option('Select','',true,true);
228: opener.document.$env{"form.form"}.currsec.options[1] = new Option('No section','',false,false)
229: opener.document.$env{"form.form"}.currsec.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
1.34 albertel 230: } else {
1.23 raeburn 231: for (var i=0; i<numSections; i++) {
1.27 albertel 232: opener.document.$env{"form.form"}.currsec.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
1.23 raeburn 233: }
1.27 albertel 234: opener.document.$env{"form.form"}.currsec.multiple=true
1.23 raeburn 235: if (numSections < 3) {
1.27 albertel 236: opener.document.$env{"form.form"}.currsec.size=numSections;
1.34 albertel 237: } else {
1.27 albertel 238: opener.document.$env{"form.form"}.currsec.size=3;
1.23 raeburn 239: }
1.27 albertel 240: opener.document.$env{"form.form"}.currsec.options[0].selected = false
1.19 raeburn 241: }
242: }
243: self.close()
1.1 www 244: }
1.30 raeburn 245:
246: $jscript
1.1 www 247: </script>
1.18 raeburn 248: $submitopener
1.30 raeburn 249: <form method="post" name="filterpicker">
1.27 albertel 250: <input type="hidden" name="cnumelement" value="$env{'form.cnumelement'}" />
251: <input type="hidden" name="cdomelement" value="$env{'form.cdomelement'}" />
1.13 albertel 252: $name_input
1.27 albertel 253: <input type="hidden" name="form" value="$env{'form.form'}" />
1.18 raeburn 254: $roleelement
1.35 raeburn 255: $multelement
1.8 www 256: $lt{'cac'}: $sincefilterform
1.4 www 257: <br />
1.8 www 258: $lt{'cdo'}: $domainselectform
1.4 www 259: <br />
1.20 raeburn 260: $lt{'cin'}:
261: <input type="text" name="instcodefilter" size="10" value="$listinstcode" />
262: <br />
263: $lt{'cow'}:
264: <input type="text" name="ownerfilter" size="10" value="$listowner" />
265: <br />
1.28 raeburn 266: $courseidtag
1.8 www 267: $lt{'cde'}:
1.15 www 268: <input type="text" name="descriptfilter" size="40" value="$listdescript" />
1.5 www 269: <p><input type="submit" name="gosearch" value="Search" /></p>
1.4 www 270: </form>
1.5 www 271: <hr />
1.1 www 272: ENDSCRIPT
1.2 www 273: # ---------------------------------------------------------------- Get the data
1.27 albertel 274: if ($env{'form.gosearch'}) {
1.8 www 275: $r->print(&mt('Searching').' ...<br /> <br />');
1.6 www 276: $r->rflush();
1.5 www 277: unless ($descriptfilter) { $descriptfilter='.'; }
1.20 raeburn 278: unless ($instcodefilter) { $instcodefilter='.'; }
279: unless ($ownerfilter) { $ownerfilter='.'; }
1.28 raeburn 280: unless ($coursefilter) { $coursefilter='.'; }
1.5 www 281: my $timefilter=($sincefilter==-1?1:time-$sincefilter);
282: my %courses=
283: &Apache::lonnet::courseiddump
1.28 raeburn 284: ($domainfilter,$descriptfilter,$timefilter,$instcodefilter,$ownerfilter,$coursefilter);
1.19 raeburn 285: $r->print('<form name="courselist">');
1.10 albertel 286: my %by_descrip;
1.31 albertel 287: my $numcourses = keys(%courses);
288: foreach my $course (keys(%courses)) {
1.17 raeburn 289: my $descr;
1.38 ! www 290: if ($courses{$course} =~ m/^([^:]*):/i) {
1.17 raeburn 291: $descr = &Apache::lonnet::unescape($1);
292: } else {
293: $descr = &Apache::lonnet::unescape($courses{$course});
294: }
1.38 ! www 295: my $description = $descr;
1.25 raeburn 296: push (@{$by_descrip{$description}}, $course);
1.10 albertel 297: }
1.35 raeburn 298: if ($numcourses > 1 && $multiple) {
1.30 raeburn 299: $r->print('<input type="button" value="check all"
300: onclick="javascript:checkAll(document.courselist.course_id)" /> <input type="button" value="uncheck all"
301: onclick="javascript:uncheckAll(document.courselist.course_id)" />
302: <br /><br />');
303: }
1.10 albertel 304: foreach my $description (sort(keys(%by_descrip))) {
1.24 raeburn 305: foreach my $course (@{$by_descrip{$description}}) {
306: my $cleandesc=&HTML::Entities::encode($description,'<>&"');
307: $cleandesc=~s/'/\\'/g;
308: my ($cdom,$cnum)=split(/\_/,$course);
309: my ($descr,$instcode,$owner) = split/:/,$courses{$course};
1.35 raeburn 310: $r->print(&course_chooser($multiple,$cdom,$cnum,$cleandesc));
1.30 raeburn 311: $r->print($description.'('.
1.24 raeburn 312: ($Apache::lonnet::domaindescription{$cdom}?
313: $Apache::lonnet::domaindescription{$cdom}:$cdom).")");
314: unless ($instcode eq '') {
315: $r->print(" - ".&Apache::lonnet::unescape($instcode));
316: }
317: unless ($owner eq '') {
318: $r->print(", owner - ".&Apache::lonnet::unescape($owner));
319: }
1.35 raeburn 320: if ($multiple) { $r->print("</label>\n"); }
1.24 raeburn 321: $r->print("<br />\n");
322: }
1.5 www 323: }
1.30 raeburn 324: if (!%courses) {
325: $r->print(&mt('None found'));
1.35 raeburn 326: } elsif ($multiple) {
1.30 raeburn 327: $r->print('<input type="button" value="Submit" onClick="gochoose('."'','','',1)".'" />');
328: }
1.27 albertel 329: $r->print('<input type="hidden" name="form" value="'.$env{'form.form'}.'" />'."\n".
1.19 raeburn 330: '<input type="hidden" name="pickedcourse" value="" />'."\n".
1.27 albertel 331: '<input type="hidden" name="cnumelement" value="'.$env{'form.cnumelement'}.'" />'."\n".
1.36 raeburn 332: '<input type="hidden" name="cdomelement" value="'.$env{'form.cdomelement'}.'" />'."\n");
333: if ((exists($env{'form.roleelement'})) && ($env{'form.form'} eq 'rolechoice')) {
334: $r->print('<input type="hidden" name="roleelement" value="'.$env{'form.roleelement'}.'" />'."\n");
335: }
336: $r->print("</form>\n");
1.2 www 337: }
1.5 www 338: $r->print('</body></html>');
1.1 www 339: return OK;
1.18 raeburn 340: }
1.1 www 341:
1.30 raeburn 342: sub course_chooser {
1.35 raeburn 343: my ($multiple,$cdom,$cnum,$cleandesc) = @_;
1.30 raeburn 344: my $output;
1.35 raeburn 345: if ($multiple) {
1.32 albertel 346: $output = '<label><input type="checkbox" name="course_id" value="'.$cdom.'_'.$cnum.'" />'."\n";
1.30 raeburn 347: } else {
348: $output = '<input type="button" value="Select" onClick="gochoose('.
349: "'".$cnum."','".$cdom."','".$cleandesc."')".'" />'."\n";
350: }
351: return $output;
352: }
353:
1.1 www 354: 1;
355: __END__
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