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- BUG#3886 - currentURL should be versioned
1: # The LearningOnline Network with CAPA 2: # Routines to control the menu 3: # 4: # $Id: lonmenu.pm,v 1.143 2005/02/02 19:24:45 albertel 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: # There are two parameters controlling the action of this module: 30: # 31: # browser.interface - if this is 'textual', it overrides the second parameter 32: # and goes to screen reader PDA mode 33: # 34: # environment.remote - if this is 'on', the routines controll the remote 35: # control, otherwise they render the main window controls; ignored it 36: # browser.interface is 'textual' 37: # 38: 39: package Apache::lonmenu; 40: 41: use strict; 42: use Apache::lonnet(); 43: use Apache::Constants qw(:common); 44: use Apache::lonhtmlcommon(); 45: use Apache::loncommon(); 46: use Apache::lonenc(); 47: use Apache::lonlocal; 48: 49: use vars qw(@desklines $readdesk); 50: 51: 52: my @inlineremote; 53: my $font; 54: my $tabbg; 55: my $pgbg; 56: 57: # ================================================================ Little texts 58: 59: sub initlittle { 60: return &Apache::lonlocal::texthash('ret' => 'Return to Last Location', 61: 'nav' => 'Navigate Contents', 62: 'main' => 'Main Menu', 63: 'launch' => 'Launch Remote Control'); 64: } 65: 66: # ============================= This gets called at the top of the body section 67: 68: sub menubuttons { 69: my $forcereg=shift; 70: my $target =shift; 71: my $registration=shift; 72: my $titletable=shift; 73: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 74: ['inhibitmenu']); 75: if ($ENV{'form.inhibitmenu'} eq 'yes') { return ''; } 76: 77: my $navmaps=''; 78: my $reloadlink=''; 79: my $escurl=&Apache::lonnet::escape(&Apache::lonenc::check_encrypt($ENV{'request.noversionuri'})); 80: my $escsymb=&Apache::lonnet::escape(&Apache::lonenc::check_encrypt($ENV{'request.symb'})); 81: if ($ENV{'request.state'} eq 'construct') { 82: if (($ENV{'request.noversionuri'} eq '') || (!defined($ENV{'request.noversionuri'}))) { 83: my $returnurl = $ENV{'request.filename'}; 84: $returnurl =~ s:^/home/([^/]+)/public_html/(.*)$:/priv/$1/$2:; 85: $escurl = &Apache::lonnet::escape($returnurl); 86: } 87: } 88: if ($ENV{'browser.interface'} eq 'textual') { 89: # Textual display only 90: my %lt=&initlittle(); 91: $pgbg='#FFFFFF'; 92: $tabbg='#FFFFFF'; 93: $font='#000000'; 94: if ($ENV{'request.course.id'}) { 95: $navmaps=(<<ENDNAV); 96: <a href="/adm/navmaps?postdata=$escurl&postsymb=$escsymb" target="_top">$lt{'nav'}</a> 97: ENDNAV 98: if (($ENV{'request.noversionuri'}=~/^\/adm\//) && 99: ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) && 100: ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) { 101: my $escreload=&Apache::lonnet::escape('return:'); 102: $reloadlink=(<<ENDRELOAD); 103: <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a> 104: ENDRELOAD 105: } 106: } 107: my $form=&serverform(); 108: my $utility=&utilityfunctions(); 109: my $output=(<<ENDMAINMENU); 110: <script type="text/javascript"> 111: // BEGIN LON-CAPA Internal 112: $utility 113: </script> 114: <a href="/adm/menu" target="_top">$lt{'main'}</a> 115: $reloadlink $navmaps<br /> 116: <script type="text/javascript"> 117: // END LON-CAPA Internal 118: </script> 119: $form 120: ENDMAINMENU 121: if ($registration) { $output.=&innerregister($forcereg,$target); } 122: return $output."<hr />"; 123: } elsif ($ENV{'environment.remote'} eq 'off') { 124: # Remote Control is switched off 125: # figure out colors 126: my %lt=&initlittle(); 127: my $function='student'; 128: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) { 129: $function='coordinator'; 130: } 131: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) { 132: $function='admin'; 133: } 134: if (($ENV{'request.role'}=~/^(au|ca)/) || 135: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) { 136: $function='author'; 137: } 138: my $domain=&Apache::loncommon::determinedomain(); 139: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain); 140: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain); 141: $font=&Apache::loncommon::designparm($function.'.font',$domain); 142: my $link=&Apache::loncommon::designparm($function.'.link',$domain); 143: my $alink=&Apache::loncommon::designparm($function.'.alink',$domain); 144: my $vlink=&Apache::loncommon::designparm($function.'.vlink',$domain); 145: my $sidebg=&Apache::loncommon::designparm($function.'.sidebg',$domain); 146: # Do we have a NAV link? 147: if ($ENV{'request.course.id'}) { 148: my $link='/adm/navmaps?postdata='.$escurl.'&postsymb='. 149: $escsymb; 150: if ($ENV{'environment.remotenavmap'} eq 'on') { 151: $link="javascript:gonav('".$link."')"; 152: } 153: $navmaps=(<<ENDNAV); 154: <td bgcolor="$tabbg"> 155: <a href="$link"><font color="$font">$lt{'nav'}</font></a></td> 156: ENDNAV 157: if (($ENV{'request.noversionuri'}=~/^\/adm\//) && 158: ($ENV{'request.noversionuri'}!~/^\/adm\/wrapper\//) && 159: ($ENV{'request.noversionuri'}!~/^\/adm\/.*\/(smppg|bulletinboard|aboutme)(\?|$)/)) { 160: my $escreload=&Apache::lonnet::escape('return:'); 161: $reloadlink=(<<ENDRELOAD); 162: <td bgcolor="$tabbg"> 163: <a href="/adm/flip?postdata=$escreload" target="_top"><font color="$font">$lt{'ret'}</font></a></td> 164: ENDRELOAD 165: } 166: } 167: my $reg=''; 168: if ($registration) { 169: $reg=&innerregister($forcereg,$target,$titletable); 170: } 171: my $form=&serverform(); 172: my $utility=&utilityfunctions(); 173: return (<<ENDINLINEMENU); 174: <script type="text/javascript"> 175: // BEGIN LON-CAPA Internal 176: $utility 177: </script> 178: <font face="Arial,Helvetica,sans-serif"><table bgcolor="$pgbg" width="100%" border="0" cellpadding="1" cellspacing="1"> 179: <tr> 180: <td bgcolor="$tabbg"> 181: <a href="/adm/menu" target="_top"><font color="$font">$lt{'main'}</font></a> 182: </td> 183: $reloadlink 184: $navmaps 185: <td bgcolor="$tabbg"> 186: <a href="/adm/remote?action=launch&url=$escurl" target="_top"> 187: <font color="$font">$lt{'launch'}</font></a></td> 188: <td bgcolor="$tabbg"> 189: <img align="right" src="/adm/lonIcons/minilogo.gif" /> 190: <b>LON-CAPA</b></td> 191: $form 192: </tr> 193: </table> 194: </font> 195: <script type="text/javascript"> 196: // END LON-CAPA Internal 197: </script> 198: $reg 199: ENDINLINEMENU 200: } else { 201: return ''; 202: } 203: } 204: 205: # ====================================== This gets called in the header section 206: 207: sub registerurl { 208: my $forcereg=shift; 209: my $target = shift; 210: my $result = ''; 211: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; } 212: my $force_title=''; 213: if ($ENV{'request.state'} eq 'construct') { 214: $force_title=&Apache::lonxml::display_title(); 215: } 216: if ($target eq 'edit') { 217: $result .="<script type=\"text/javascript\">\n". 218: "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n". 219: &Apache::loncommon::browser_and_searcher_javascript(). 220: "\n</script>\n"; 221: } 222: if (($ENV{'browser.interface'} eq 'textual') || 223: ($ENV{'environment.remote'} eq 'off') || 224: ((($ENV{'request.publicaccess'}) || 225: (!&Apache::lonnet::is_on_map( 226: &Apache::lonnet::unescape($ENV{'request.noversionuri'})))) && 227: (!$forcereg))) { 228: return $result. 229: '<script type="text/javascript">function LONCAPAreg(){;} function LONCAPAstale(){}</script>'.$force_title; 230: } 231: # Graphical display after login only 232: if ($Apache::lonxml::registered && !$forcereg) { return ''; } 233: if ($target ne 'edit') { 234: $result.=&innerregister($forcereg,$target); 235: } 236: return $result.$force_title; 237: } 238: 239: # =========== This gets called in order to register a URL, both with the Remote 240: # =========== and in the body of the document 241: 242: sub innerregister { 243: my $forcereg=shift; 244: my $target = shift; 245: my $titletable = shift; 246: my $result = ''; 247: my ($uname,$thisdisfn); 248: my $const_space = ($ENV{'request.state'} eq 'construct'); 249: my $is_const_dir = 0; 250: 251: if ($ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; } 252: 253: $Apache::lonxml::registered=1; 254: 255: my $textinter=($ENV{'browser.interface'} eq 'textual'); 256: my $noremote=($ENV{'environment.remote'} eq 'off'); 257: 258: my $textual=($textinter || $noremote); 259: 260: @inlineremote=(); 261: undef @inlineremote; 262: 263: my $reopen=&Apache::lonmenu::reopenmenu(); 264: 265: my $newmail=''; 266: if ($noremote) { 267: $newmail='<font face="Arial,Helvetica,sans-serif"><table bgcolor="'.$pgbg.'" border="0" cellspacing="1" cellpadding="1" width="100%"><tr><td bgcolor="'.$tabbg.'">'; 268: } 269: if (($textual) && ($ENV{'request.symb'}) && ($ENV{'request.course.id'})) { 270: my ($mapurl,$rid,$resurl)=&Apache::lonnet::decode_symb($ENV{'request.symb'}); 271: $newmail.=$ENV{'course.'.$ENV{'request.course.id'}.'.description'}; 272: my $maptitle=&Apache::lonnet::gettitle($mapurl); 273: my $restitle=&Apache::lonnet::gettitle($resurl); 274: if ($maptitle && $maptitle ne 'default.sequence') { 275: $newmail.=', '.$maptitle; 276: } 277: if ($restitle) { 278: $newmail.=': '.$restitle; 279: } 280: $newmail.=' '; 281: } 282: if (&Apache::lonmsg::newmail()) { 283: $newmail=($textual? 284: '<b><a href="/adm/communicate" target="_top">You have new messages</a></b><br />': 285: 'swmenu.setstatus("you have","messages");'); 286: } 287: if ($ENV{'request.state'} eq 'construct') { 288: $newmail = $titletable; 289: } 290: if ($noremote) { 291: $newmail.='</td></tr></table></font>'; 292: } 293: my $timesync=($textual?'':'swmenu.syncclock(1000*'.time.');'); 294: my $tablestart=($noremote?'<font face="Arial,Helvetica,sans-serif"><table bgcolor="'.$pgbg.'" border="0" cellspacing="1" cellpadding="1" width="100%">':'').($textinter?'<br /><a href="#content">'.&mt('Skip to Content').'</a><br />':''); 295: my $tableend=($noremote?'</table></font>':'').($textinter?'<a name="content" />':''); 296: # ============================================================================= 297: # ============================ This is for URLs that actually can be registered 298: if (($ENV{'request.noversionuri'}!~/^\/(res\/)*adm\//) || ($forcereg)) { 299: # -- This applies to homework problems for users with grading privileges 300: my $crs='/'.$ENV{'request.course.id'}; 301: if ($ENV{'request.course.sec'}) { 302: $crs.='_'.$ENV{'request.course.sec'}; 303: } 304: $crs=~s/\_/\//g; 305: 306: my $hwkadd=''; 307: if ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) { 308: if (&Apache::lonnet::allowed('vgr',$crs)) { 309: $hwkadd.=&switch('','',7,1,'subm.gif','view sub-[_1]','missions[_1]', 310: "gocmd('/adm/grades','submission')", 311: 'View user submissions for this assessment resource'); 312: } 313: if (&Apache::lonnet::allowed('mgr',$crs)) { 314: $hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_3]', 315: "gocmd('/adm/grades','gradingmenu')", 316: 'Modify user grades for this assessment resource'); 317: } 318: } 319: if (&Apache::lonnet::allowed('opa',$crs)) { 320: $hwkadd.=&switch('','',7,3,'pparm.gif','problem[_2]','parms[_2]', 321: "gocmd('/adm/parmset','set')", 322: 'Modify deadlines, etc, for this resource'); 323: } 324: # -- End Homework 325: ### 326: ### Determine whether or not to display the 'cstr' button for this 327: ### resource 328: ### 329: my $editbutton = ''; 330: if ($ENV{'user.author'}) { 331: if ($ENV{'request.role'}=~/^(ca|au)/) { 332: # Set defaults for authors 333: my ($top,$bottom) = ('con-','struct'); 334: my $action = "go('/priv/".$ENV{'user.name'}."');"; 335: my $cadom = $ENV{'request.role.domain'}; 336: my $caname = $ENV{'user.name'}; 337: my $desc = "Enter my resource construction space"; 338: # Set defaults for co-authors 339: if ($ENV{'request.role'} =~ /^ca/) { 340: ($cadom,$caname)=($ENV{'request.role'}=~/(\w+)\/(\w+)$/); 341: ($top,$bottom) = ('co con-','struct'); 342: $action = "go('/priv/".$caname."');"; 343: $desc = "Enter construction space as co-author"; 344: } 345: # Check that we are on the correct machine 346: my $home = &Apache::lonnet::homeserver($caname,$cadom); 347: my $allowed=0; 348: my @ids=&Apache::lonnet::current_machine_ids(); 349: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } } 350: if (!$allowed) { 351: $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc); 352: } 353: } 354: ## 355: ## Determine if user can edit url. 356: ## 357: my $cfile=''; 358: my $cfuname=''; 359: my $cfudom=''; 360: if ($ENV{'request.filename'}) { 361: my $file=&Apache::lonnet::declutter($ENV{'request.filename'}); 362: $file=~s/^(\w+)\/(\w+)/\/priv\/$2/; 363: # Check that the user has permission to edit this resource 364: ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1); 365: if (defined($cfudom)) { 366: my $home=&Apache::lonnet::homeserver($cfuname,$cfudom); 367: my $allowed=0; 368: my @ids=&Apache::lonnet::current_machine_ids(); 369: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } } 370: if ($allowed) { 371: $cfile=$file; 372: } 373: } 374: } 375: # Finally, turn the button on or off 376: if ($cfile && !$const_space) { 377: $editbutton=&switch 378: ('','',6,1,'cstr.gif','edit[_1]','resource[_2]', 379: "go('".$cfile."');","Edit this resource"); 380: } elsif ($editbutton eq '') { 381: $editbutton=&clear(6,1); 382: } 383: } 384: ### 385: ### 386: # Prepare the rest of the buttons 387: my $menuitems; 388: if ($const_space) { 389: my ($uname,$thisdisfn) = 390: ($ENV{'request.filename'}=~m|^/home/([^/]+)/public_html/(.*)|); 391: my $currdir = '/priv/'.$uname.'/'.$thisdisfn; 392: if ($currdir =~ m-/$-) { 393: $is_const_dir = 1; 394: } else { 395: $currdir =~ s#[^/]+$##; 396: $menuitems=(<<ENDMENUITEMS); 397: s&6&1&list.gif&list[_1]&dir[_1]&golist('$currdir')&List current directory 398: s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$thisdisfn')&Retrieve old version 399: s&6&3&pub.gif&publish[_1]&resource[_1]&gocstr('/adm/publish','/~$uname/$thisdisfn')&Publish this resource 400: s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$thisdisfn')&Delete this resource 401: s&7&2&prt.gif&prepare[_1]&printout[_1]&gocstr('/adm/printout','/~$uname/$thisdisfn')&Prepare a printable document 402: ENDMENUITEMS 403: } 404: } elsif (defined($ENV{'request.course.id'})) { 405: $menuitems=(<<ENDMENUITEMS); 406: c&3&1 407: s&2&1&back.gif&backward[_1]&&gopost('/adm/flip','back:'+currentURL)&Go to the previous resource in the course sequence&1 408: s&2&3&forw.gif&forward[_1]&&gopost('/adm/flip','forward:'+currentURL)&Go to the next resource in the course sequence&3 409: c&6&3 410: c&8&1 411: c&8&2 412: s&8&3&prt.gif&prepare[_1]&printout[_1]&gopost('/adm/printout',currentURL)&Prepare a printable document 413: s&9&1&sbkm.gif&set[_1]&bookmark[_2]&set_bookmark()&Set a bookmark for this resource&2 414: s&9&3&anot.gif&anno-[_1]&tations[_1]&annotate()&Make notes and annotations about this resource&2 415: ENDMENUITEMS 416: unless ($ENV{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) { 417: $menuitems.=(<<ENDREALRES); 418: s&6&3&catalog.gif&catalog[_1]&info[_1]&catalog_info()&Show catalog information 419: s&8&1&eval.gif&evaluate[_1]&this[_1]&gopost('/adm/evaluate',currentURL,1)&Provide my evaluation of this resource 420: s&8&2&fdbk.gif&feedback[_1]&discuss[_1]&gopost('/adm/feedback',currentURL,1)&Provide feedback messages or contribute to the course discussion about this resource 421: ENDREALRES 422: } 423: } 424: my $buttons=''; 425: foreach (split(/\n/,$menuitems)) { 426: my ($command,@rest)=split(/\&/,$_); 427: if ($command eq 's') { 428: $buttons.=&switch('','',@rest); 429: } else { 430: $buttons.=&clear(@rest); 431: } 432: } 433: if ($textual) { 434: # Registered, textual output 435: my $inlinebuttons=''; 436: 437: if ($ENV{'browser.interface'} eq 'textual') { 438: $inlinebuttons= 439: join('',map { (defined($_)?$_:'') } @inlineremote); 440: } else { 441: $inlinebuttons=(<<ENDINLINE); 442: <tr><td>$inlineremote[21]</td><td> </td><td>$inlineremote[23]</td></tr> 443: <tr><td>$inlineremote[61]</td><td>$inlineremote[62]</td><td>$inlineremote[63]</td></tr> 444: <tr><td>$inlineremote[71]</td><td>$inlineremote[72]</td><td>$inlineremote[73]</td></tr> 445: <tr><td>$inlineremote[81]</td><td>$inlineremote[82]</td><td>$inlineremote[83]</td></tr> 446: <tr><td>$inlineremote[91]</td><td>$inlineremote[92]</td><td>$inlineremote[93]</td></tr> 447: ENDINLINE 448: } 449: if ($const_space && $is_const_dir) { 450: $inlinebuttons = ''; 451: } 452: $result =(<<ENDREGTEXT); 453: <script type="text/javascript"> 454: // BEGIN LON-CAPA Internal 455: </script> 456: $timesync 457: $newmail 458: $tablestart 459: $inlinebuttons 460: $tableend 461: <script type="text/javascript"> 462: // END LON-CAPA Internal 463: </script> 464: 465: ENDREGTEXT 466: # Registered, graphical output 467: } else { 468: my $requri=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$ENV{'request.noversionuri'}))[0])); 469: $requri=&Apache::lonenc::check_encrypt(&Apache::lonnet::unescape($requri)); 470: my $cursymb=&Apache::lonenc::check_encrypt($ENV{'request.symb'}); 471: my $navstatus=&get_nav_status(); 472: my $clearcstr; 473: if ($ENV{'user.adv'}) { $clearcstr='clearbut(6,1)'; } 474: $result = (<<ENDREGTHIS); 475: 476: <script type="text/javascript"> 477: // BEGIN LON-CAPA Internal 478: var swmenu=null; 479: 480: function LONCAPAreg() { 481: swmenu=$reopen; 482: swmenu.clearTimeout(swmenu.menucltim); 483: $timesync 484: $newmail 485: $buttons 486: swmenu.currentURL="$requri"; 487: swmenu.reloadURL=swmenu.currentURL+window.location.search; 488: swmenu.currentSymb="$cursymb"; 489: swmenu.reloadSymb="$cursymb"; 490: swmenu.currentStale=0; 491: $navstatus 492: $hwkadd 493: $editbutton 494: } 495: 496: function LONCAPAstale() { 497: swmenu=$reopen 498: swmenu.currentStale=1; 499: if (swmenu.reloadURL!='' && swmenu.reloadURL!= null) { 500: swmenu.switchbutton 501: (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence'); 502: } 503: swmenu.clearbut(7,1); 504: swmenu.clearbut(7,2); 505: swmenu.clearbut(7,3); 506: swmenu.menucltim=swmenu.setTimeout( 507: 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+ 508: 'clearbut(9,1);clearbut(9,3);clearbut(6,3);$clearcstr', 509: 2000); 510: } 511: 512: // END LON-CAPA Internal 513: </script> 514: ENDREGTHIS 515: } 516: # ============================================================================= 517: } else { 518: # ========================================== This can or will not be registered 519: if ($textual) { 520: # Not registered, textual 521: $result= (<<ENDDONOTREGTEXT); 522: ENDDONOTREGTEXT 523: } else { 524: # Not registered, graphical 525: $result = (<<ENDDONOTREGTHIS); 526: 527: <script type="text/javascript"> 528: // BEGIN LON-CAPA Internal 529: var swmenu=null; 530: 531: function LONCAPAreg() { 532: swmenu=$reopen 533: $timesync 534: swmenu.currentStale=1; 535: swmenu.clearbut(2,1); 536: swmenu.clearbut(2,3); 537: swmenu.clearbut(8,1); 538: swmenu.clearbut(8,2); 539: swmenu.clearbut(8,3); 540: if (swmenu.currentURL) { 541: swmenu.switchbutton 542: (3,1,'reload.gif','return','location','go(currentURL)'); 543: } else { 544: swmenu.clearbut(3,1); 545: } 546: } 547: 548: function LONCAPAstale() { 549: } 550: 551: // END LON-CAPA Internal 552: </script> 553: ENDDONOTREGTHIS 554: } 555: # ============================================================================= 556: } 557: return $result; 558: } 559: 560: sub loadevents() { 561: if ($ENV{'request.state'} eq 'construct' || 562: $ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; } 563: return 'LONCAPAreg();'; 564: } 565: 566: sub unloadevents() { 567: if ($ENV{'request.state'} eq 'construct' || 568: $ENV{'request.noversionuri'} eq '/res/adm/pages/menu.html') { return ''; } 569: return 'LONCAPAstale();'; 570: } 571: 572: # ============================================================= Start up remote 573: 574: sub startupremote { 575: my ($lowerurl)=@_; 576: if (($ENV{'browser.interface'} eq 'textual') || 577: ($ENV{'environment.remote'} eq 'off')) { 578: return ('<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'" />'); 579: } 580: # 581: # The Remote actually gets launched! 582: # 583: my $configmenu=&rawconfig(); 584: my $esclowerurl=&Apache::lonnet::escape($lowerurl); 585: my $message=&mt('"Waiting for Remote Control window to load: "+[_1]','waited'); 586: return(<<ENDREMOTESTARTUP); 587: <script type="text/javascript"> 588: var timestart; 589: function wheelswitch() { 590: if (typeof(document.wheel) != 'undefined') { 591: if (typeof(document.wheel.spin) != 'undefined') { 592: var date=new Date(); 593: var waited=Math.round(30-((date.getTime()-timestart)/1000)); 594: document.wheel.spin.value=$message; 595: } 596: } 597: if (window.status=='|') { 598: window.status='/'; 599: } else { 600: if (window.status=='/') { 601: window.status='-'; 602: } else { 603: if (window.status=='-') { 604: window.status='\\\\'; 605: } else { 606: if (window.status=='\\\\') { window.status='|'; } 607: } 608: } 609: } 610: } 611: 612: // ---------------------------------------------------------- The wait function 613: var canceltim; 614: function wait() { 615: if ((menuloaded==1) || (tim==1)) { 616: window.status='Done.'; 617: if (tim==0) { 618: clearTimeout(canceltim); 619: $configmenu 620: window.location='$lowerurl'; 621: } else { 622: window.location='/adm/remote?action=collapse&url=$esclowerurl'; 623: } 624: } else { 625: wheelswitch(); 626: setTimeout('wait();',200); 627: } 628: } 629: 630: function main() { 631: canceltim=setTimeout('tim=1;',30000); 632: window.status='-'; 633: var date=new Date(); 634: timestart=date.getTime(); 635: wait(); 636: } 637: 638: </script> 639: ENDREMOTESTARTUP 640: } 641: 642: sub setflags() { 643: return(<<ENDSETFLAGS); 644: <script type="text/javascript"> 645: menuloaded=0; 646: tim=0; 647: </script> 648: ENDSETFLAGS 649: } 650: 651: sub maincall() { 652: if (($ENV{'browser.interface'} eq 'textual') || 653: ($ENV{'environment.remote'} eq 'off')) { return ''; } 654: return(<<ENDMAINCALL); 655: <script type="text/javascript"> 656: main(); 657: </script> 658: ENDMAINCALL 659: } 660: 661: sub load_remote_msg { 662: my ($lowerurl)=@_; 663: 664: if (($ENV{'browser.interface'} eq 'textual') || 665: ($ENV{'environment.remote'} eq 'off')) { return ''; } 666: 667: my $esclowerurl=&Apache::lonnet::escape($lowerurl); 668: my $link=&mt('<a href="[_1]">Continue</a> on in Inline Menu mode', 669: "/adm/remote?action=collapse?url=$esclowerurl"); 670: return(<<ENDREMOTEFORM); 671: <p> 672: <form name="wheel"> 673: <input name="spin" type="text" size="60" /> 674: </form> 675: </p> 676: <p>$link</p> 677: ENDREMOTEFORM 678: } 679: # ================================================================= Reopen menu 680: 681: sub reopenmenu { 682: if (($ENV{'browser.interface'} eq 'textual') || 683: ($ENV{'environment.remote'} eq 'off')) { return ''; } 684: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'}; 685: my $nothing = &Apache::lonhtmlcommon::javascript_nothing(); 686: return('window.open('.$nothing.',"'.$menuname.'","",false);'); 687: } 688: 689: # =============================================================== Open the menu 690: 691: sub open { 692: my $returnval=''; 693: if (($ENV{'browser.interface'} eq 'textual') || 694: ($ENV{'environment.remote'} eq 'off')) { 695: return '<script type="text/javascript">self.name="loncapaclient";</script>'; 696: } 697: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'}; 698: unless (shift eq 'unix') { 699: # resizing does not work on linux because of virtual desktop sizes 700: $returnval.=(<<ENDRESIZE); 701: if (window.screen) { 702: self.resizeTo(screen.availWidth-215,screen.availHeight-55); 703: self.moveTo(190,15); 704: } 705: ENDRESIZE 706: } 707: $returnval.=(<<ENDOPEN); 708: window.status='Opening LON-CAPA Remote Control'; 709: var menu=window.open("/res/adm/pages/menu.html","$menuname", 710: "height=350,width=150,scrollbars=no,menubar=no,top=5,left=5,screenX=5,screenY=5"); 711: self.name='loncapaclient'; 712: ENDOPEN 713: return '<script type="text/javascript">'.$returnval.'</script>'; 714: } 715: 716: 717: # ================================================================== Raw Config 718: 719: sub clear { 720: my ($row,$col)=@_; 721: unless (($ENV{'browser.interface'} eq 'textual') || 722: ($ENV{'environment.remote'} eq 'off')) { 723: return "\n".qq(window.status+='.';swmenu.clearbut($row,$col);); 724: } else { 725: $inlineremote[10*$row+$col]=''; 726: return ''; 727: } 728: } 729: 730: # ============================================ Switch a button or create a link 731: # Switch acts on the javascript that is executed when a button is clicked. 732: # The javascript is usually similar to "go('/adm/roles')" or "cstrgo(..)". 733: 734: sub switch { 735: my ($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc,$nobreak)=@_; 736: $act=~s/\$uname/$uname/g; 737: $act=~s/\$udom/$udom/g; 738: $top=&mt($top); 739: $bot=&mt($bot); 740: $desc=&mt($desc); 741: $img=&mt($img); 742: unless (($ENV{'browser.interface'} eq 'textual') || 743: ($ENV{'environment.remote'} eq 'off')) { 744: # Remote 745: return "\n". 746: qq(window.status+='.';swmenu.switchbutton($row,$col,"$img","$top","$bot","$act","$desc");); 747: } elsif ($ENV{'browser.interface'} eq 'textual') { 748: # Accessibility 749: if ($nobreak==2) { return ''; } 750: my $text=$top.' '.$bot; 751: $text=~s/\s*\-\s*//gs; 752: if ($nobreak) { 753: $inlineremote[10*$row+$col]= 754: '<a href="javascript:'.$act.';">'.$text.'</a>'; 755: } else { 756: $inlineremote[10*$row+$col]="\n<br />". 757: $desc.' <a href="javascript:'.$act.';">'.$text.'</a>'; 758: } 759: } else { 760: # Inline Remote 761: if ($nobreak==2) { return ''; } 762: my $text=$top.' '.$bot; 763: $text=~s/\s*\-\s*//gs; 764: 765: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'}; 766: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; } 767: my $pic= 768: '<img border="0" alt="'.$text.'" src="http://'.$ENV{'HTTP_HOST'}. 769: ':'.$lonhttpdPort.'/res/adm/pages/'.$img.'" align="'. 770: ($nobreak==3?'right':'left').'" />'; 771: if (($ENV{'browser.interface'} eq 'textual') || ($ENV{'browser.interface'} eq 'faketextual')) { 772: # Accessibility 773: if ($nobreak==3) { 774: $inlineremote[10*$row+$col]="\n". 775: '<td width="40%" align="right"><font color="'.$font.'" size="+1">'.$text. 776: '</font></td><td width="10%" align="right" bgcolor="'.$tabbg.'">'. 777: '<a href="javascript:'.$act.';">'.$pic.'</a></td></tr>'; 778: } elsif ($nobreak) { 779: $inlineremote[10*$row+$col]="\n<tr>". 780: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'. 781: '<a href="javascript:'.$act.';">'.$pic. 782: '</a></td><td width="40%" align="left"><font color="'.$font.'" size="+1">'.$text.'</font></td>'; 783: } else { 784: $inlineremote[10*$row+$col]="\n<tr>". 785: '<td width="10%" align="left" bgcolor="'.$tabbg.'">'. 786: '<a href="javascript:'.$act.';">'.$pic. 787: '</a></td><td colspan="3"><font color="'.$font.'">'.$desc. 788: '</font></td></tr>'; 789: } 790: } else { 791: # Inline Menu 792: $inlineremote[10*$row+$col]= 793: '<a href="javascript:'.$act.';">'.$pic. 794: '</a><font color="'.$font.'" size="2">'.$desc. 795: '</font>'; 796: } 797: } 798: return ''; 799: } 800: 801: sub secondlevel { 802: my $output=''; 803: my 804: ($uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc)=@_; 805: if ($prt eq 'any') { 806: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc); 807: } elsif ($prt=~/^r(\w+)/) { 808: if ($rol eq $1) { 809: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc); 810: } 811: } 812: return $output; 813: } 814: 815: sub openmenu { 816: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'}; 817: if (($ENV{'browser.interface'} eq 'textual') || 818: ($ENV{'environment.remote'} eq 'off')) { return ''; } 819: my $nothing = &Apache::lonhtmlcommon::javascript_nothing(); 820: return "window.open(".$nothing.",'".$menuname."');"; 821: } 822: 823: sub inlinemenu { 824: @inlineremote=(); 825: undef @inlineremote; 826: &rawconfig(1); 827: return join('',map { (defined($_)?$_:'') } @inlineremote); 828: } 829: 830: sub rawconfig { 831: my $textualoverride=shift; 832: my $output=''; 833: unless (($ENV{'browser.interface'} eq 'textual') || 834: ($ENV{'environment.remote'} eq 'off')) { 835: $output.= 836: "window.status='Opening Remote Control';var swmenu=".&openmenu(). 837: "\nwindow.status='Configuring Remote Control ';"; 838: } else { 839: unless ($textualoverride) { return ''; } 840: } 841: my $uname=$ENV{'user.name'}; 842: my $udom=$ENV{'user.domain'}; 843: my $adv=$ENV{'user.adv'}; 844: my $author=$ENV{'user.author'}; 845: my $crs=''; 846: if ($ENV{'request.course.id'}) { 847: $crs='/'.$ENV{'request.course.id'}; 848: if ($ENV{'request.course.sec'}) { 849: $crs.='_'.$ENV{'request.course.sec'}; 850: } 851: $crs=~s/\_/\//g; 852: } 853: my $pub=($ENV{'request.state'} eq 'published'); 854: my $con=($ENV{'request.state'} eq 'construct'); 855: my $rol=$ENV{'request.role'}; 856: my $requested_domain = $ENV{'request.role.domain'}; 857: foreach (@desklines) { 858: my ($row,$col,$pro,$prt,$img,$top,$bot,$act,$desc)=split(/\:/,$_); 859: $prt=~s/\$uname/$uname/g; 860: $prt=~s/\$udom/$udom/g; 861: $prt=~s/\$crs/$crs/g; 862: $prt=~s/\$requested_domain/$requested_domain/g; 863: if ($pro eq 'clear') { 864: $output.=&clear($row,$col); 865: } elsif ($pro eq 'any') { 866: $output.=&secondlevel( 867: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc); 868: } elsif ($pro eq 'smp') { 869: unless ($adv) { 870: $output.=&secondlevel( 871: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc); 872: } 873: } elsif ($pro eq 'adv') { 874: if ($adv) { 875: $output.=&secondlevel( 876: $uname,$udom,$rol,$crs,$pub,$con,$row,$col,$prt,$img,$top,$bot,$act,$desc); 877: } 878: } elsif (($pro=~/^p(\w+)/) && ($prt)) { 879: if (&Apache::lonnet::allowed($1,$prt)) { 880: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc); 881: } 882: } elsif ($pro eq 'course') { 883: if ($ENV{'request.course.fn'}) { 884: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc); 885: } 886: } elsif ($pro =~ /^courseenv_(.*)$/) { 887: my $key = $1; 888: if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$key}) { 889: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc); 890: } 891: } elsif ($pro =~ /^course_(.*)$/) { 892: # Check for permissions inside of a course 893: if (($ENV{'request.course.id'}) && 894: (&Apache::lonnet::allowed($1,$ENV{'request.course.id'}. 895: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:'')) 896: )) { 897: $output.=switch($uname,$udom,$row,$col,$img,$top,$bot,$act,$desc); 898: } 899: } elsif ($pro eq 'author') { 900: if ($author) { 901: if ((($prt eq 'rca') && ($ENV{'request.role'}=~/^ca/)) || 902: (($prt eq 'rau') && ($ENV{'request.role'}=~/^au/))) { 903: # Check that we are on the correct machine 904: my $cadom=$requested_domain; 905: my $caname=$ENV{'user.name'}; 906: if ($prt eq 'rca') { 907: ($cadom,$caname)= 908: ($ENV{'request.role'}=~/(\w+)\/(\w+)$/); 909: } 910: $act =~ s/\$caname/$caname/g; 911: my $home = &Apache::lonnet::homeserver($caname,$cadom); 912: my $allowed=0; 913: my @ids=&Apache::lonnet::current_machine_ids(); 914: foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } } 915: if ($allowed) { 916: $output.=switch($caname,$cadom, 917: $row,$col,$img,$top,$bot,$act,$desc); 918: } 919: } 920: } 921: } 922: } 923: unless (($ENV{'browser.interface'} eq 'textual') || 924: ($ENV{'environment.remote'} eq 'off')) { 925: $output.="\nwindow.status='Synchronizing Time';swmenu.syncclock(1000*".time.");\nwindow.status='Remote Control Configured.';"; 926: if (&Apache::lonmsg::newmail()) { 927: $output.='swmenu.setstatus("you have","messages");'; 928: } 929: } 930: 931: return $output; 932: } 933: 934: # ======================================================================= Close 935: 936: sub close { 937: if (($ENV{'browser.interface'} eq 'textual') || 938: ($ENV{'environment.remote'} eq 'off')) { return ''; } 939: my $menuname='LCmenu'.$Apache::lonnet::perlvar{'lonHostID'}; 940: return(<<ENDCLOSE); 941: <script type="text/javascript"> 942: window.status='Accessing Remote Control'; 943: menu=window.open("/adm/rat/empty.html","$menuname", 944: "height=350,width=150,scrollbars=no,menubar=no"); 945: window.status='Disabling Remote Control'; 946: menu.active=0; 947: menu.autologout=0; 948: window.status='Closing Remote Control'; 949: menu.close(); 950: window.status='Done.'; 951: </script> 952: ENDCLOSE 953: } 954: 955: # ====================================================================== Footer 956: 957: sub footer { 958: 959: } 960: 961: sub nav_control_js { 962: my $nav=($ENV{'environment.remotenavmap'} eq 'on'); 963: return (<<NAVCONTROL); 964: var w_loncapanav_flag="$nav"; 965: 966: 967: function gonav(url) { 968: if (w_loncapanav_flag != 1) { 969: gopost(url,''); 970: } else { 971: navwindow=window.open(url, 972: "loncapanav","height=600,width=400,scrollbars=1"); 973: } 974: } 975: NAVCONTROL 976: } 977: 978: sub utilityfunctions { 979: my $caller = shift; 980: unless (($ENV{'browser.interface'} eq 'textual') || 981: ($ENV{'environment.remote'} eq 'off') || ($caller eq '/adm/menu')) { return ''; } 982: my $currenturl=&Apache::lonnet::clutter(&Apache::lonnet::fixversion((split(/\?/,$ENV{'request.noversionuri'}))[0])); 983: $currenturl=&Apache::lonenc::check_encrypt(&Apache::lonnet::unescape($currenturl)); 984: 985: my $currentsymb=&Apache::lonenc::check_encrypt($ENV{'request.symb'}); 986: my $nav_control=&nav_control_js(); 987: return (<<ENDUTILITY) 988: 989: var currentURL="$currenturl"; 990: var reloadURL="$currenturl"; 991: var currentSymb="$currentsymb"; 992: 993: $nav_control 994: 995: function go(url) { 996: if (url!='' && url!= null) { 997: currentURL = null; 998: currentSymb= null; 999: window.location.href=url; 1000: } 1001: } 1002: 1003: function gopost(url,postdata) { 1004: if (url!='') { 1005: this.document.server.action=url; 1006: this.document.server.postdata.value=postdata; 1007: this.document.server.command.value=''; 1008: this.document.server.url.value=''; 1009: this.document.server.symb.value=''; 1010: this.document.server.submit(); 1011: } 1012: } 1013: 1014: function gocmd(url,cmd) { 1015: if (url!='') { 1016: this.document.server.action=url; 1017: this.document.server.postdata.value=''; 1018: this.document.server.command.value=cmd; 1019: this.document.server.url.value=currentURL; 1020: this.document.server.symb.value=currentSymb; 1021: this.document.server.submit(); 1022: } 1023: } 1024: 1025: function gocstr(url,filename) { 1026: if (url == '/adm/cfile?action=delete') { 1027: this.document.cstrdelete.filename.value = filename 1028: this.document.cstrdelete.submit(); 1029: return; 1030: } 1031: if (url == '/adm/printout') { 1032: this.document.cstrprint.postdata.value = filename 1033: this.document.cstrprint.curseed.value = 0; 1034: this.document.cstrprint.problemtype.value = 0; 1035: if (this.document.lonhomework) { 1036: if ((this.document.lonhomework.rndseed) && (this.document.lonhomework.rndseed.value != null) && (this.document.lonhomework.rndseed.value != '')) { 1037: this.document.cstrprint.curseed.value = this.document.lonhomework.rndseed.value 1038: } 1039: if (this.document.lonhomework.problemtype) { 1040: for (var i=0; i<this.document.lonhomework.problemtype.options.length; i++) { 1041: if (this.document.lonhomework.problemtype.options[i].selected) { 1042: if (this.document.lonhomework.problemtype.options[i].value != null && this.document.lonhomework.problemtype.options[i].value != '') { 1043: this.document.cstrprint.problemtype.value = this.document.lonhomework.problemtype.options[i].value 1044: } 1045: } 1046: } 1047: } 1048: } 1049: this.document.cstrprint.submit(); 1050: return; 1051: } 1052: if (url !='') { 1053: this.document.constspace.filename.value = filename; 1054: this.document.constspace.action = url; 1055: this.document.constspace.submit(); 1056: } 1057: } 1058: 1059: function golist(url) { 1060: if (url!='' && url!= null) { 1061: currentURL = null; 1062: currentSymb= null; 1063: top.location.href=url; 1064: } 1065: } 1066: 1067: 1068: 1069: function catalog_info() { 1070: loncatinfo=window.open(window.location.pathname+'.meta',"LONcatInfo",'height=320,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no'); 1071: } 1072: 1073: function chat_win() { 1074: lonchat=window.open('/res/adm/pages/chatroom.html',"LONchat",'height=320,width=280,resizable=yes,location=no,menubar=no,toolbar=no'); 1075: } 1076: ENDUTILITY 1077: } 1078: 1079: sub serverform { 1080: return(<<ENDSERVERFORM); 1081: 1082: <form name="server" action="/adm/logout" method="post" target="_top"> 1083: <input type="hidden" name="postdata" value="none" /> 1084: <input type="hidden" name="command" value="none" /> 1085: <input type="hidden" name="url" value="none" /> 1086: <input type="hidden" name="symb" value="none" /> 1087: </form> 1088: ENDSERVERFORM 1089: } 1090: 1091: sub constspaceform { 1092: return(<<ENDCONSTSPACEFORM); 1093: <form name="constspace" action="/adm/logout" method="post" target="_top"> 1094: <input type="hidden" name="filename" value="" /> 1095: </form> 1096: <form name="cstrdelete" action="/adm/cfile" method="post" target="_top"> 1097: <input type="hidden" name="action" value="delete" /> 1098: <input type="hidden" name="filename" value="" /> 1099: </form> 1100: <form name="cstrprint" action="/adm/printout" target="_parent" method="post"> 1101: <input type="hidden" name="postdata" value="" /> 1102: <input type="hidden" name="curseed" value="" /> 1103: <input type="hidden" name="problemtype" value="" /> 1104: </form> 1105: 1106: ENDCONSTSPACEFORM 1107: } 1108: 1109: 1110: sub get_nav_status { 1111: my $navstatus="swmenu.w_loncapanav_flag="; 1112: if ($ENV{'environment.remotenavmap'} eq 'on') { 1113: $navstatus.="1"; 1114: } else { 1115: $navstatus.="-1"; 1116: } 1117: return $navstatus; 1118: } 1119: 1120: # ================================================ Handler when called directly 1121: 1122: 1123: sub handler { 1124: my $r = shift; 1125: &Apache::loncommon::content_type($r,'text/html'); 1126: $r->send_http_header; 1127: return OK if $r->header_only; 1128: 1129: my $form; 1130: if ($ENV{'environment.remote'} ne 'off' && 1131: $ENV{'browser.interface'} ne 'textual') { 1132: $form=&serverform(); 1133: } 1134: my $bodytag=&Apache::loncommon::bodytag('Main Menu'); 1135: my $function='student'; 1136: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) { 1137: $function='coordinator'; 1138: } 1139: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) { 1140: $function='admin'; 1141: } 1142: if (($ENV{'request.role'}=~/^(au|ca)/) || 1143: ($ENV{'request.noversionuri'}=~/^(\/priv|\~)/)) { 1144: $function='author'; 1145: } 1146: my $domain=&Apache::loncommon::determinedomain(); 1147: $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain); 1148: $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain); 1149: $font=&Apache::loncommon::designparm($function.'.font',$domain); 1150: my $script_tag; 1151: if ($ENV{'environment.remote'} ne 'off') { 1152: my $utility=&utilityfunctions('/adm/menu'); 1153: $script_tag=(<<ENDSCRIPT); 1154: <script type="text/javascript"> 1155: $utility 1156: </script> 1157: ENDSCRIPT 1158: } 1159: # ---- Print the screen, pretend to be in text mode to generate text-based menu 1160: unless ($ENV{'browser.interface'} eq 'textual') { 1161: $ENV{'browser.interface'}='faketextual'; 1162: $ENV{'environment.remote'}='off'; 1163: } 1164: $r->print(<<ENDHEADER); 1165: <html><head> 1166: <title>LON-CAPA Main Menu</title> 1167: $script_tag 1168: </head> 1169: $bodytag 1170: ENDHEADER 1171: $r->print('<table>'.&inlinemenu().'</table>'.$form); 1172: $r->print('</body></html>'); 1173: return OK; 1174: } 1175: 1176: # ================================================================ Main Program 1177: 1178: BEGIN { 1179: if (! defined($readdesk)) { 1180: { 1181: my $tabfile = $Apache::lonnet::perlvar{'lonTabDir'}.'/mydesk.tab'; 1182: if ( CORE::open( my $config,"<$tabfile") ) { 1183: while (my $configline=<$config>) { 1184: $configline=(split(/\#/,$configline))[0]; 1185: $configline=~s/^\s+//; 1186: chomp($configline); 1187: if ($configline) { 1188: $desklines[$#desklines+1]=$configline; 1189: } 1190: } 1191: CORE::close($config); 1192: } 1193: } 1194: $readdesk='done'; 1195: } 1196: } 1197: 1198: 1; 1199: __END__ 1200: 1201: 1202: 1203: 1204: 1205: 1206: