Annotation of loncom/interface/lonrequestcourse.pm, revision 1.1
1.1 ! raeburn 1: # The LearningOnline Network
! 2: # Request a course
! 3: #
! 4: # $Id: lonrequestcourse.pm,v 1.1 2009/05/27 14:47:59 raeburn 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:
! 30: =head1 NAME
! 31:
! 32: Apache::lonrequestcourse.pm
! 33:
! 34: =head1 SYNOPSIS
! 35:
! 36: Allows users to request creation of new courses.
! 37:
! 38: This is part of the LearningOnline Network with CAPA project
! 39: described at http://www.lon-capa.org.
! 40:
! 41: =head1 SUBROUTINES
! 42:
! 43: =over
! 44:
! 45: =item handler()
! 46:
! 47: =back
! 48:
! 49: =cut
! 50:
! 51: package Apache::lonrequestcourse;
! 52:
! 53: use strict;
! 54: use Apache::Constants qw(:common :http);
! 55: use Apache::lonnet;
! 56: use Apache::loncommon;
! 57: use Apache::lonlocal;
! 58: use LONCAPA;
! 59:
! 60: sub handler {
! 61: my ($r) = @_;
! 62: if ($r->header_only) {
! 63: &Apache::loncommon::content_type($r,'text/html');
! 64: $r->send_http_header;
! 65: return OK;
! 66: }
! 67: &Apache::loncommon::content_type($r,'text/html');
! 68: $r->send_http_header;
! 69:
! 70: my $action = $env{'form.action'};
! 71: my $state = $env{'form.state'};
! 72: my $dom = &get_course_dom();
! 73: my %can_request;
! 74: my $canreq = &check_can_request($dom,\%can_request);
! 75: if ($action eq 'new') {
! 76: if ($canreq) {
! 77: if ($state eq 'crstype') {
! 78: &print_main_menu($r,\%can_request,$dom);
! 79: } else {
! 80: &request_administration($r,$action,$state,$dom);
! 81: }
! 82: } else {
! 83: $r->print(&Apache::loncommon::start_page('Course Requests').
! 84: '<div class="LC_warning">'.
! 85: &mt('You do not have privileges to request creation of courses.').
! 86: '</div>'.
! 87: &Apache::loncommon::end_page());
! 88: }
! 89: } elsif ($action eq 'view') {
! 90: &print_request_status();
! 91: } elsif ($action eq 'log') {
! 92: &print_request_logs();
! 93: } else {
! 94: &print_main_menu($r,\%can_request,$dom);
! 95: }
! 96: return OK;
! 97: }
! 98:
! 99: sub check_can_request {
! 100: my ($dom,$can_request) = @_;
! 101: my $canreq = 0;
! 102: if (ref($can_request) eq 'HASH') {
! 103: foreach my $type ('official','unofficial','community') {
! 104: if (&Apache::lonnet::usertools_access($env{'user.name'},
! 105: $env{'user.domain'},
! 106: $type,undef,'requestcourses')) {
! 107: $canreq ++;
! 108: if ($dom eq $env{'user.domain'}) {
! 109: $can_request->{$type} = 1;
! 110: }
! 111: }
! 112: if ($env{'environment.reqcrsotherdom.'.$type} ne '') {
! 113: my @curr = split(',',$env{'environment.reqcrsotherdom.'.$type});
! 114: if (@curr > 0) {
! 115: $canreq ++;
! 116: unless ($dom eq $env{'user.domain'}) {
! 117: if (grep(/^\Q$dom\E$/,@curr)) {
! 118: $can_request->{$type} = 1;
! 119: }
! 120: }
! 121: }
! 122: }
! 123: }
! 124: }
! 125: return $canreq;
! 126: }
! 127:
! 128: sub print_main_menu {
! 129: my ($r,$can_request,$dom) = @_;
! 130: my $onchange;
! 131: unless ($env{'form.interface'} eq 'textual') {
! 132: $onchange = 1;
! 133: }
! 134:
! 135: &Apache::lonhtmlcommon::clear_breadcrumbs();
! 136:
! 137: my $js = <<END;
! 138: <script type="text/javascript">
! 139:
! 140: function nextPage(formname,nextstate) {
! 141: if (check_can_request() == true) {
! 142: formname.state.value= nextstate;
! 143: formname.submit();
! 144: }
! 145: return;
! 146: }
! 147:
! 148: function backPage(formname,prevstate) {
! 149: formname.state.value = prevstate;
! 150: formname.submit();
! 151: }
! 152:
! 153: function check_can_request() {
! 154: var official = '';
! 155: var unofficial = '';
! 156: var community = '';
! 157: END
! 158:
! 159: foreach my $item (keys(%{$can_request})) {
! 160: $js .= "
! 161: $item = 1;
! 162: ";
! 163: }
! 164: my %lt = &Apache::lonlocal::texthash(
! 165: official => 'You are not permitted to request creation of an official course in this domain.',
! 166: unofficial => 'You are not permitted to request creation of an unofficial course in this domain.',
! 167: community => 'You are not permitted to request creation of a community this domain.',
! 168: all => 'You must choose a specific course type when making a new course request.\\nAll types is not allowed.',
! 169: );
! 170: $js .= <<END;
! 171: var crschoice = document.requestform.crstype.value;
! 172: if (crschoice == 'official') {
! 173: if (official != 1) {
! 174: alert("$lt{'official'}");
! 175: return false;
! 176: }
! 177: } else {
! 178: if (crschoice == 'unofficial') {
! 179: if (unofficial != 1) {
! 180: alert("$lt{'unofficial'}");
! 181: return false;
! 182: }
! 183: } else {
! 184: if (crschoice == 'community') {
! 185: if (community != 1) {
! 186: alert("$lt{'community'}");
! 187: return false;
! 188: }
! 189: } else {
! 190: var actionchoice = document.requestform.action.value;
! 191: if (actionchoice == 'new') {
! 192: alert("$lt{'all'}");
! 193: return false;
! 194: }
! 195: }
! 196: }
! 197: }
! 198: return true;
! 199: }
! 200: </script>
! 201:
! 202: END
! 203:
! 204: my $formname = 'requestform';
! 205: $r->print(&Apache::loncommon::start_page('Course Requests',$js).
! 206: '<p><div>'.
! 207: '<form name="domforcourse" method="post" action="/adm/requestcourse">'.
! 208: &Apache::lonhtmlcommon::start_pick_box().
! 209: &Apache::lonhtmlcommon::row_title('Domain').
! 210: &Apache::loncommon::select_dom_form($dom,'showdom','',1,$onchange));
! 211: if (!$onchange) {
! 212: $r->print(' <input type="submit" name="godom" value="'.
! 213: &mt('Change').'" />');
! 214: }
! 215: $r->print(&Apache::lonhtmlcommon::row_closure(1).
! 216: &Apache::lonhtmlcommon::end_pick_box().'</form></div>');
! 217:
! 218: my $formname = 'requestform';
! 219: my $next = 'codepick';
! 220: my $nexttext = &mt('Next');
! 221: $r->print('<div><form name="'.$formname.'" method="post" action="/adm/requestcourse">'.
! 222: &Apache::lonhtmlcommon::start_pick_box().
! 223: &Apache::lonhtmlcommon::row_title('Action').'
! 224: <input type="hidden" name="showdom" value="'.$dom.'" />
! 225: <select size="1" name="action" >
! 226: <option value="new">'.&mt('New course request').'</option>
! 227: <option value="view">'.&mt('View/Modify/Cancel pending requests').'</option>
! 228: <option value="log">'.&mt('View request history').'</option>
! 229: </select>'.
! 230: &Apache::lonhtmlcommon::row_closure().
! 231: &Apache::lonhtmlcommon::row_title('Course Type').'
! 232: <select size="1" name="crstype">
! 233: <option value="any">'.&mt('All types').'</option>
! 234: <option value="official">'.&mt('Official course').'</option>
! 235: <option value="unofficial">'.&mt('Unofficial course').'</option>
! 236: <option value="community">'.&mt('Community').'</option>
! 237: </select>
! 238: <input type="hidden" name="state" value="crstype" />'.
! 239: &Apache::lonhtmlcommon::row_closure(1).
! 240: &Apache::lonhtmlcommon::end_pick_box().'<br />
! 241: <input type="button" name="next" value="'.$nexttext.'" onclick="javascript:nextPage(document.'.$formname.','."'".$next."'".')" />
! 242: </form></div>');
! 243: $r->print(&Apache::loncommon::end_page());
! 244: return;
! 245: }
! 246:
! 247: sub request_administration {
! 248: my ($r,$action,$state,$dom) = @_;
! 249: if ($action eq 'new') {
! 250: my $js = <<END;
! 251: <script type="text/javascript">
! 252:
! 253: function nextPage(formname,nextstate) {
! 254: formname.state.value= nextstate;
! 255: formname.submit();
! 256: }
! 257: function backPage(formname,prevstate) {
! 258: formname.state.value = prevstate;
! 259: formname.submit();
! 260: }
! 261:
! 262: </script>
! 263:
! 264: END
! 265:
! 266: unless (($state eq 'review') || ($state eq 'process')) {
! 267: $js .= "\n".&Apache::loncommon::coursebrowser_javascript($dom);
! 268: }
! 269: my $start_page =
! 270: &Apache::loncommon::start_page('Request a course',$js);
! 271: $r->print($start_page);
! 272: if ($state eq 'review') {
! 273: &print_review($r,$state,$dom);
! 274: } elsif ($state eq 'process') {
! 275: &print_request_outcome($r,$state,$dom);
! 276: } else {
! 277: &print_request_form($r,$state,$dom);
! 278: }
! 279: $r->print(&Apache::loncommon::end_page());
! 280: } elsif ($action eq 'log') {
! 281: $r->print(&coursereq_log());
! 282: }
! 283: return;
! 284: }
! 285:
! 286: sub print_request_form {
! 287: my ($r,$state,$dom) = @_;
! 288: my $formname = 'requestcrs';
! 289: my ($next,$prev,$message,$output,$codepicker);
! 290: my $prev = 'crstype';
! 291: $r->print('<form name="'.$formname.'" method="post" action="/adm/requestcourse">');
! 292: my $crstype = $env{'form.crstype'};
! 293: my $xlist = 0;
! 294: if ($crstype eq 'official') {
! 295: my (@codetitles,%cat_titles,%cat_order,@code_order);
! 296: &Apache::lonnet::auto_possible_instcodes($dom,\@codetitles,\%cat_titles,
! 297: \%cat_order,\@code_order);
! 298: if ($state eq 'courseinfo') {
! 299: my $instcode;
! 300: if (@code_order > 0) {
! 301: foreach my $item (@code_order) {
! 302: $instcode .= $env{'form.instcode_'.$item};
! 303: }
! 304: }
! 305: if ($instcode ne '') {
! 306: my $code_chk = &Apache::lonnet::auto_validate_instcode('',$dom,$instcode);
! 307: if ($code_chk eq 'ok') {
! 308: $message = '<div class="LC_info">'.
! 309: &mt('The chosen course category [_1] is valid.','<b>'.
! 310: $instcode.'</b>').'</div>';
! 311: my @sections = &Apache::lonnet::auto_get_sections(undef,$dom,
! 312: $instcode);
! 313: if (@sections) {
! 314: $output .= &inst_section_selector(\@sections);
! 315: }
! 316: $output .= &coursecode_form($dom,'crosslist',\@codetitles,
! 317: \%cat_titles,\%cat_order,$xlist);
! 318: $prev = 'codepick';
! 319: } else {
! 320: $message = '<div class="LC_warning">'.
! 321: &mt('No course was found matching your choice of institutional course category.');
! 322: if ($code_chk ne '') {
! 323: $message .= '<br />'.$code_chk;
! 324: }
! 325: $message .= '</div>';
! 326: }
! 327: }
! 328: }
! 329: unless ($prev eq 'codepick') {
! 330: $codepicker = &coursecode_form($dom,'instcode',\@codetitles,
! 331: \%cat_titles,\%cat_order);
! 332: }
! 333: }
! 334: $r->print($message.'<div>'.&Apache::lonhtmlcommon::start_pick_box());
! 335: if ($output ne '') {
! 336: $r->print($output);
! 337: }
! 338: if ($codepicker) {
! 339: $r->print($codepicker);
! 340: $state = 'codepick';
! 341: $next = 'courseinfo';
! 342: } else {
! 343: $r->print(&courseinfo_form());
! 344: $state = 'courseinfo';
! 345: $next = 'review';
! 346: }
! 347: $r->print(&Apache::lonhtmlcommon::end_pick_box().'</div>'."\n");
! 348: unless ($codepicker) {
! 349: $r->print('<div>'.&clone_form($dom,$formname,$crstype).'</div>'."\n");
! 350: }
! 351: $r->print('<input type="hidden" name="state" value="'.$state.'" />'.
! 352: &Apache::lonhtmlcommon::echo_form_input(['state']).'</form>');
! 353: &display_navbuttons($r,$formname,$prev,'Previous',$next,'Next');
! 354: return;
! 355: }
! 356:
! 357: sub inst_section_selector {
! 358: my ($sections,$selected) = @_;
! 359: my $output;
! 360: if (ref($sections) eq 'ARRAY') {
! 361: $output = &Apache::lonhtmlcommon::row_title('Sections').
! 362: &Apache::loncommon::start_data_table().
! 363: &Apache::loncommon::start_data_table_row().
! 364: '<th>'.&mt('Institutional Section').'</th>'.
! 365: '<th>'.&mt('LON-CAPA section ID').'</th>'.
! 366: '<th>'.&mt('Include in course?').'</th>'.
! 367: &Apache::loncommon::end_data_table_row();
! 368: for (my $i=0; $i<@{$sections}; $i++) {
! 369: my $colflag = $i%2;
! 370: $output .= &Apache::loncommon::start_data_table_row().
! 371: '<td>'.$sections->[$i].
! 372: '<input type="hidden" name="secnum_'.$i.'" value="'.
! 373: $sections->[$i].'" /></td>'.
! 374: '<td><input type="text" size="10" name="loncapasec_'.$i.
! 375: '" value="'.$sections->[$i].'" /></td>'.
! 376: '<td><input type="checkbox" name="sec_'.$i.
! 377: '" checked="checked" /></td>'.
! 378: &Apache::loncommon::end_data_table_row();
! 379: }
! 380: $output .= &Apache::loncommon::end_data_table();
! 381: }
! 382: return $output;
! 383: }
! 384:
! 385: sub print_request_status {
! 386: return;
! 387: }
! 388:
! 389: sub print_request_logs {
! 390: return;
! 391: }
! 392:
! 393: sub print_review {
! 394: my ($r,$state,$dom) = @_;
! 395: return;
! 396: }
! 397:
! 398: sub courseinfo_form {
! 399: my $output = &Apache::lonhtmlcommon::row_title('Course Description').
! 400: '<input type="text" size="40" name="description" />';
! 401: return $output;
! 402: }
! 403:
! 404: sub clone_form {
! 405: my ($dom,$formname,$crstype) = @_;
! 406: my $type = 'Course';
! 407: if ($crstype eq 'community') {
! 408: $type = 'Community';
! 409: }
! 410: my $cloneform = &Apache::loncommon::select_dom_form($dom,'clonedomain').
! 411: &Apache::loncommon::selectcourse_link($formname,'clonecourse',
! 412: 'clonedomain','','','',$type);
! 413: my %lt = &Apache::lonlocal::texthash(
! 414: 'cid' => 'Course ID',
! 415: 'dmn' => 'Domain',
! 416: 'dsh' => 'Date Shift',
! 417: 'ncd' => 'Do not clone date parameters',
! 418: 'prd' => 'Clone date parameters as-is',
! 419: 'shd' => 'Shift date parameters by number of days',
! 420: );
! 421: my $output .= &Apache::lonhtmlcommon::start_pick_box().
! 422: &Apache::lonhtmlcommon::row_title($lt{'cid'}).
! 423: '<label><input type="text" size="25" name="clonecourse" value="" />'.
! 424: '</label>'.&Apache::lonhtmlcommon::row_closure(1).'<label>'.
! 425: &Apache::lonhtmlcommon::row_title($lt{'dmn'}).'</label>'.
! 426: $cloneform.'</label>'.&Apache::lonhtmlcommon::row_closure().
! 427: &Apache::lonhtmlcommon::row_title($lt{'dsh'}).'<label>'.
! 428: '<input type="radio" name="datemode" value="delete" /> '.$lt{'ncd'}.
! 429: '</label><br /><label>'.
! 430: '<input type="radio" name="datemode" value="preserve" /> '.$lt{'prd'}.
! 431: '</label><br /><label>'.
! 432: '<input type="radio" name="datemode" value="shift" checked="checked" /> '.
! 433: $lt{'shd'}.'</label>'.
! 434: '<input type="text" size="5" name="dateshift" value="365" />'.
! 435: &Apache::lonhtmlcommon::row_closure(1).
! 436: &Apache::lonhtmlcommon::end_pick_box();
! 437: return $output;
! 438: }
! 439:
! 440: sub coursecode_form {
! 441: my ($dom,$context,$codetitles,$cat_titles,$cat_order,$count) = @_;
! 442: my $output;
! 443: if ((ref($codetitles) eq 'ARRAY') && (ref($cat_titles) eq 'HASH') &&
! 444: (ref($cat_order))) {
! 445: if (@{$codetitles} > 0) {
! 446: my $lastitem = pop(@{$codetitles});
! 447: my $sel = $context;
! 448: if ($context eq 'crosslist') {
! 449: $sel .= '_'.$count;
! 450: }
! 451: my $lastinput = '<input type="text" size="5" name="'.$sel.'_'. $lastitem.'" />';
! 452: my %rowtitle = (
! 453: instcode => 'Course Category',
! 454: crosslist => 'Cross Listed Course',
! 455: );
! 456: if (@{$codetitles} > 0) {
! 457: my $sel = $context;
! 458: if ($context eq 'crosslist') {
! 459: $sel .= '_'.$count;
! 460: }
! 461: $output = &Apache::lonhtmlcommon::row_title($rowtitle{$context}).
! 462: '<table><tr>';
! 463: foreach my $title (@{$codetitles}) {
! 464: if (ref($cat_order->{$title}) eq 'ARRAY') {
! 465: if (@{$cat_order->{$title}} > 0) {
! 466: $output .= '<td align="center">'.$title.'<br />'."\n".
! 467: '<select name="'.$sel.'_'.$title.'">'."\n".
! 468: ' <option value="" selected="selected">'.
! 469: &mt('Select').'</option>'."\n";
! 470: foreach my $item (@{$cat_order->{$title}}) {
! 471: my $longitem = $item;
! 472: if (ref($cat_titles->{$title}) eq 'HASH') {
! 473: if ($cat_titles->{$title}{$item} ne '') {
! 474: $longitem = $cat_titles->{$title}{$item};
! 475: }
! 476: }
! 477: $output .= '<option value="'.$item.'">'.$longitem.
! 478: '</option>'."\n";
! 479: }
! 480: }
! 481: $output .= '</select></td>'."\n";
! 482: }
! 483: }
! 484: if ($context eq 'crosslist') {
! 485: $output .= '<td align="center">'.$lastitem.'<br />'."\n".
! 486: $lastinput.'</td></tr></table>';
! 487: } else {
! 488: $output .= '</tr></table>'.
! 489: &Apache::lonhtmlcommon::row_closure().
! 490: &Apache::lonhtmlcommon::row_title('Course '.$lastitem).
! 491: $lastinput;
! 492: }
! 493: } else {
! 494: if ($context eq 'crosslist') {
! 495: $output .= &Apache::lonhtmlcommon::row_title($rowtitle{$context}).
! 496: $lastitem.'<br />';
! 497: } else {
! 498: $output .= &Apache::lonhtmlcommon::row_title('Course '.$lastitem).
! 499: $lastinput;
! 500: }
! 501: $output .= $lastinput.&Apache::lonhtmlcommon::row_closure(1);
! 502: }
! 503: }
! 504: }
! 505: return $output;
! 506: }
! 507:
! 508: sub get_course_dom {
! 509: my $codedom = &Apache::lonnet::default_login_domain();
! 510: if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne 'public')) {
! 511: $codedom = $env{'user.domain'};
! 512: if ($env{'request.role.domain'} ne '') {
! 513: $codedom = $env{'request.role.domain'};
! 514: }
! 515: }
! 516: if ($env{'form.showdom'} ne '') {
! 517: if (&Apache::lonnet::domain($env{'form.showdom'}) ne '') {
! 518: $codedom = $env{'form.showdom'};
! 519: }
! 520: }
! 521: return $codedom;
! 522: }
! 523:
! 524: sub display_navbuttons {
! 525: my ($r,$formname,$prev,$prevtext,$next,$nexttext) = @_;
! 526: $r->print('<div class="LC_navbuttons">');
! 527: if ($prev) {
! 528: $r->print('
! 529: <input type="button" name="previous" value = "'.$prevtext.'"
! 530: onclick="javascript:backPage(document.'.$formname.','."'".$prev."'".')"/>
! 531: ');
! 532: } elsif ($prevtext) {
! 533: $r->print('
! 534: <input type="button" name="previous" value = "'.$prevtext.'"
! 535: onclick="javascript:history.back()"/>
! 536: ');
! 537: }
! 538: if ($next) {
! 539: $r->print('
! 540: <input type="button" name="next" value="'.$nexttext.'"
! 541: onclick="javascript:nextPage(document.'.$formname.','."'".$next."'".')" />');
! 542: }
! 543: $r->print('</div>');
! 544: }
! 545:
! 546: sub print_request_outcome {
! 547: return;
! 548: }
! 549:
! 550: 1;
! 551:
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