loncom/interface/lonannounce.pm - view

File: [LON-CAPA] / loncom / interface / lonannounce.pm
Revision 1.25: download - view: text, annotated - select for diffs
Thu Jan 15 01:43:43 2004 UTC (20 years, 5 months ago) by www
Branches: MAIN
CVS tags: HEAD

Bugzilla and FAQ links

1: # The LearningOnline Network 2: # Announce 3: # 4: # $Id: lonannounce.pm,v 1.25 2004/01/15 01:43:43 www 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: package Apache::lonannounce; 30: 31: use strict; 32: use Apache::Constants qw(:common); 33: use Apache::loncommon; 34: use Apache::lonhtmlcommon(); 35: use Apache::lonlocal; 36: use HTML::Entities(); 37: 38: my %todayhash; 39: my %showedcheck; 40: 41: sub editfield { 42: my ($r,$start,$end,$text)=@_; 43: # Deal with date forms 44: my $startdateform = &Apache::lonhtmlcommon::date_setter('anno', 45: 'startdate', 46: $start); 47: my $enddateform = &Apache::lonhtmlcommon::date_setter('anno', 48: 'enddate', 49: $end); 50: my $help=&Apache::loncommon::help_open_topic('Calendar_Add_Announcement'). 51: &Apache::loncommon::help_open_faq(274). 52: &Apache::loncommon::help_open_bug('Communication Tools'); 53: $r->print(<<ENDFORM); 54: $help 55: <form name="anno" method="post"> 56: <input type="hidden" value='' name="action" > 57: <table><tr><td>Starting date:</td><td>$startdateform</td></tr> 58: <tr><td>Ending date:</td><td>$enddateform</td></tr></table> 59: <textarea name="msg" rows="4" cols="60">$text</textarea> 60: <input type="button" onClick="trysubmit()" value="Post Announcement"><hr /> 61: ENDFORM 62: } 63: 64: sub readcalendar { 65: my $courseid=shift; 66: my $coursenum=$ENV{'course.'.$courseid.'.num'}; 67: my $coursedom=$ENV{'course.'.$courseid.'.domain'}; 68: my %thiscal=&Apache::lonnet::dump('calendar',$coursedom,$coursenum); 69: my %returnhash=(); 70: foreach (keys %thiscal) { 71: unless (($_=~/^error\:/) || ($thiscal{$_}=~/^error\:/)) { 72: $returnhash{$courseid.'@'.$_}=$thiscal{$_}; 73: } 74: } 75: return %returnhash; 76: } 77: 78: sub emptycell { 79: return '<td bgcolor="#AAAAAA"> </td>'; 80: } 81: 82: sub normalcell { 83: my ($day,$month,$year,$text)=@_; 84: my $output=''; 85: foreach (split(/\_\_\_\&\&\&\_\_\_/,$text)) { 86: if ($_) { 87: my ($courseid,$start,$end,@msg)=split(/\@/,$_); 88: my $msg=join('@',@msg); 89: my $fullmsg=$ENV{'course.'.$courseid.'.description'}. 90: ', '.&Apache::lonlocal::locallocaltime($start).' - '.&Apache::lonlocal::locallocaltime($end).': '.$msg; 91: if ($courseid eq $ENV{'request.course.id'}) { 92: if ((&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) 93: && (!$showedcheck{$start.'_'.$end}) 94: && ($ENV{'form.pickdate'} ne 'yes')) { 95: $output.='<input type="checkbox" name="remove_'.$start.'_'. 96: $end.'">'; 97: $showedcheck{$start.'_'.$end}=1; 98: } 99: } 100: $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\''); 101: $fullmsg=~s/&/\\&/g; 102: $output.='<a href="javascript:alert('."'$fullmsg'".')">'. 103: substr($msg,0,20).'...</a><br />'; 104: } 105: } 106: return '<td'. 107: ((($day eq $todayhash{'day'}) && 108: ($month eq $todayhash{'month'}) && 109: ($year eq $todayhash{'year'}))?' bgcolor="#FFFF00"':''). 110: '>'.&tfont('<b>'.&picklink($day,$day,$month,$year).'</b><br>'.$output).'</td>'; 111: } 112: 113: sub plaincell { 114: my ($text)=@_; 115: my $output=''; 116: foreach (split(/\_\_\_\&\&\&\_\_\_/,$text)) { 117: if ($_) { 118: my ($courseid,$start,$end,@msg)=split(/\@/,$_); 119: my $msg=join('@',@msg); 120: my $fullmsg=$ENV{'course.'.$courseid.'.description'}. 121: ', '.localtime($start).' - '.localtime($end).': '.$msg; 122: $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\''); 123: $fullmsg=~s/&/\\&/g; 124: $output.='<a href="javascript:alert('."'$fullmsg'".')">'. 125: substr($msg,0,40).'...</a><br />'; 126: } 127: } 128: return $output; 129: } 130: 131: sub listcell { 132: my ($text)=@_; 133: my $output=''; 134: foreach (split(/\_\_\_\&\&\&\_\_\_/,$text)) { 135: if ($_) { 136: my ($courseid,$start,$end,@msg)=split(/\@/,$_); 137: my $msg=join('@',@msg); 138: my $fullmsg=localtime($start).' to '.localtime($end).':<br /><b>'. 139: $msg.'</b>'; 140: $output.='<li>'.$fullmsg.'</li>'; 141: } 142: } 143: return $output; 144: } 145: 146: sub nextday { 147: my %th=@_; 148: $th{'day'}++; 149: return (&Apache::loncommon::maketime(%th),$th{'month'}); 150: } 151: 152: sub showday { 153: my ($tk,$mode,%allcal)=@_; 154: my %th=&Apache::loncommon::timehash($tk); 155: my ($nextday,$nextmonth)=&nextday(%th); 156: my $outp=''; 157: my $oneday=24*3600; 158: foreach (keys %allcal) { 159: my ($course,$startdate,$enddate)=($_=~/^(\w+)\@(\d+)\_(\d+)$/); 160: if (($startdate<$nextday) && ($enddate>$tk)) { 161: $outp.='___&&&___'.$course.'@'.$startdate.'@'.$enddate.'@'. 162: $allcal{$_}; 163: } 164: } 165: unless ($mode) { 166: return ($nextday,$nextmonth,&normalcell( 167: $th{'day'},$th{'month'},$th{'year'},$outp)); 168: } elsif ($outp) { 169: if ($mode==1) { 170: return '<br />'.&plaincell($outp); 171: } else { 172: return '<ul>'.&listcell($outp).'</ul>'; 173: } 174: } else { 175: return ''; 176: } 177: } 178: 179: sub tfont { 180: my $text=shift; 181: if ($ENV{'form.pickdate'} eq 'yes') { 182: return '<font size="1">'.$text.'</font>'; 183: } else { 184: return $text; 185: } 186: } 187: 188: sub picklink { 189: my ($text,$day,$month,$year)=@_; 190: if ($ENV{'form.pickdate'} eq 'yes') { 191: return '<a href="javascript:dialin('.$day.','.$month.','.$year.')">'. 192: $text.'</a>'; 193: } else { 194: return $text; 195: } 196: } 197: 198: sub dialscript { 199: return (<<ENDDIA); 200: <script language="Javascript"> 201: function dialin(day,month,year) { 202: opener.document.$ENV{'form.formname'}.$ENV{'form.element'}\_year.value=year; 203: var slct=opener.document.$ENV{'form.formname'}.$ENV{'form.element'}\_month; 204: var i; 205: for (i=0;i<slct.length;i++) { 206: if (slct.options[i].value==month) { slct.selectedIndex=i; } 207: } 208: opener.document.$ENV{'form.formname'}.$ENV{'form.element'}\_day.value=day; 209: opener.$ENV{'form.element'}\_checkday(); 210: self.close(); 211: } 212: </script> 213: ENDDIA 214: } 215: 216: sub handler { 217: my $r = shift; 218: &Apache::loncommon::content_type($r,'text/html'); 219: $r->send_http_header; 220: return OK if $r->header_only; 221: 222: # ---------------------------------------------------------- Get time right now 223: my $today=time; 224: %todayhash=&Apache::loncommon::timehash($today); 225: # ----------------------------------------------------------------- Check marks 226: %showedcheck=(); 227: undef %showedcheck; 228: # ---------------------------------------------------------- Get month and year 229: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 230: ['month','year','pickdate','formname','element']); 231: # --------------------------------------------------- Decide what month to show 232: my $year=$todayhash{'year'}; 233: if ($ENV{'form.year'}) { $year=$ENV{'form.year'}; } 234: my $month=$todayhash{'month'}; 235: if ($ENV{'form.month'}) { $month=$ENV{'form.month'}; } 236: 237: # ---------------------------------------------- See if we are in pickdate mode 238: my $pickdatemode=($ENV{'form.pickdate'} eq 'yes'); 239: my $pickinfo='&pickdate=yes&formname='.$ENV{'form.formname'}. 240: '&element='.$ENV{'form.element'}; 241: # --------------------------------------------- Find out first day of the month 242: 243: my %firstday=&Apache::loncommon::timehash( 244: &Apache::loncommon::maketime( 'day' => 1, 'month'=> $month, 245: 'year' => $year, 'hours' => 0, 246: 'minutes' => 0, 'seconds' => 0, 247: 'dlsav' => $todayhash{'dlsav'} )); 248: my $weekday=$firstday{'weekday'}; 249: # ------------------------------------------------------------ Print the screen 250: 251: $r->print(<<ENDDOCUMENT); 252: <html> 253: <head> 254: <title>The LearningOnline Network with CAPA</title> 255: <script> 256: 257: function trysubmit() { 258: document.anno.action.value="new"; 259: document.anno.submit(); 260: } 261: 262: function removesub() { 263: document.anno.action.value="del"; 264: document.anno.submit(); 265: } 266: </script> 267: </head> 268: ENDDOCUMENT 269: if ($pickdatemode) { 270: # no big header in pickdate mode 271: $r->print(&Apache::loncommon::bodytag("Pick a Date",'','',1). 272: &dialscript(). 273: '<font size="1">'); 274: } else { 275: $r->print(&Apache::loncommon::bodytag("Announcements and Calendar")); 276: } 277: # does this user have privileges to post, etc? 278: my $allowed=0; 279: if ($ENV{'request.course.id'}) { 280: $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}); 281: } 282: # does this user have privileges to post to servers? 283: my $serverpost=0; 284: if ($ENV{'request.role.domain'}) { 285: $serverpost=&Apache::lonnet::allowed('psa', 286: $ENV{'request.role.domain'}); 287: } else { 288: $serverpost=&Apache::lonnet::allowed('psa','/'); 289: } 290: # -------------------------------- BUT: do no fancy stuff when in pickdate mode 291: if ($pickdatemode) { 292: $serverpost=0; 293: $allowed=0; 294: } 295: # ------------------------------------------------------------ Process commands 296: if ($serverpost) { 297: if ($ENV{'form.serveraction'}) { 298: foreach (keys %ENV) { 299: if ($_=~/^form\.postto\_(\w+)/) { 300: $r->print( 301: '<br />Posting '.$1.': '.&Apache::lonnet::postannounce 302: ($1,$ENV{'form.serverannnounce'})); 303: } 304: } 305: } 306: $r->print(<<SERVERANNOUNCE); 307: <form name="serveranno" method="post"> 308: <h3>Post Server Announcements</h3> 309: Post announcements to the system login and roles screen<br /> 310: <i>(leave blank to delete announcement)</i><br /> 311: <textarea name="serverannnounce" cols="60" rows="5"></textarea><br /> 312: Check machines:<br /> 313: SERVERANNOUNCE 314: # list servers 315: foreach (sort keys %Apache::lonnet::hostname) { 316: if (&Apache::lonnet::allowed('psa',$Apache::lonnet::hostdom{$_})) { 317: $r->print ('<br /><input type="checkbox" name="postto_'.$_.'" /> '. 318: $_.' <tt>'.$Apache::lonnet::hostname{$_}.'</tt> '. 319: '<a href="http://'.$Apache::lonnet::hostname{$_}. 320: '/announcement.txt" target="annowin">current</a>'); 321: } 322: } 323: $r->print( 324: '<br /><input type="submit" name="serveraction" value="Post"></form><hr />'); 325: } 326: if ($allowed) { 327: my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; 328: my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; 329: # ----------------------------------------------------- Store new submitted one 330: if ($ENV{'form.action'} eq 'new') { 331: my $startdate = 332: &Apache::lonhtmlcommon::get_date_from_form('startdate'); 333: my $enddate = 334: &Apache::lonhtmlcommon::get_date_from_form('enddate'); 335: unless ($startdate=~/^\d+$/) { $startdate=time; } 336: unless ($enddate=~/^\d+$/) { $enddate=$startdate+1; } 337: if ($startdate>$enddate) { 338: my $buffer=$startdate; 339: $startdate=$enddate; 340: $enddate=$buffer; 341: } 342: &Apache::lonnet::put('calendar',{ 343: $startdate.'_'.$enddate => 344: $ENV{'form.msg'} },$coursedom,$coursenum); 345: } 346: # ---------------------------------------------------------------- Remove items 347: if ($ENV{'form.action'} eq 'del') { 348: my @delwhich=(); 349: foreach (keys %ENV) { 350: if ($_=~/^form\.remove\_(.+)$/) { 351: push(@delwhich,$1); 352: } 353: } 354: &Apache::lonnet::del('calendar',\@delwhich,$coursedom,$coursenum); 355: } 356: # -------------------------------------------------------- Form to post new one 357: my %tomorrowhash=%todayhash; 358: $tomorrowhash{'day'}++; 359: my $tomorrow=&Apache::loncommon::maketime(%tomorrowhash); 360: 361: &editfield($r,$today,$tomorrow,''); 362: } 363: # ----------------------------------------------------- Summarize all calendars 364: my %allcal=(); 365: foreach (&Apache::loncommon::findallcourses()) { 366: %allcal=(%allcal,&readcalendar($_)); 367: } 368: 369: # ------------------------------- Initialize table and forward backward buttons 370: my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year); 371: if ($pm<1) { ($pm,$py)=(12,$year-1); } 372: if ($fm>12){ ($fm,$fy)=(1,$year+1); } 373: 374: $r->print('<h1>'.('',&mt('January'),&mt('February'),&mt('March'), 375: &mt('April'),&mt('May'), 376: &mt('June'),&mt('July'),&mt('August'), 377: &mt('September'),&mt('October'), 378: &mt('November'),&mt('December'))[$month].' '. 379: $year.'</h1>'); 380: # Reached the end of times, give up 381: if (($year<1970) || ($year>2037)) { 382: $r->print('<h3>No calendar available for this date.</h3>'. 383: '<a href="/adm/announcements?month='.$todayhash{'month'}. 384: '&year='.$todayhash{'year'}.'">Current Month</a></body></html>'); 385: return OK; 386: } 387: $r->print( 388: '<a href="/adm/announcements?month='.$pm.'&year='.$py. 389: ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '. 390: '<a href="/adm/announcements?month='.$fm.'&year='.$fy. 391: ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'. 392: '   <a href="/adm/announcements?month='.$todayhash{'month'}. 393: '&year='.$todayhash{'year'}. 394: ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a><p>'. 395: '<table border="2" cols="7" rows="5"><tr><th>'. 396: &tfont(&mt('Sun')) 397: .'</th><th>'. 398: &tfont(&mt('Mon')) 399: .'</th><th>'. 400: &tfont(&mt('Tue')) 401: .'</th><th>'. 402: &tfont(&mt('Wed')) 403: .'</th><th>'. 404: &tfont(&mt('Thu')) 405: .'</th><th>'. 406: &tfont(&mt('Fri')) 407: .'</th><th>'. 408: &tfont(&mt('Sat')) 409: .'</th></tr>'); 410: 411: my $tk=&Apache::loncommon::maketime(%firstday); 412: my $outp; 413: my $nm; 414: 415: # ---------------------------------------------------------------- Actual table 416: $r->print('<tr>'); 417: for (my $i=0;$i<$weekday;$i++) { $r->print(&emptycell); } 418: for (my $i=$weekday;$i<=6;$i++) { 419: ($tk,$nm,$outp)=&showday($tk,0,%allcal); 420: $r->print($outp); 421: } 422: $r->print('</tr>'); 423: 424: for (my $k=0;$k<=4;$k++) { 425: $r->print('<tr>'); 426: for (my $i=0;$i<=6;$i++) { 427: ($tk,$nm,$outp)=&showday($tk,0,%allcal); 428: if ($month!=$nm) { $outp=&emptycell; } 429: $r->print($outp); 430: } 431: $r->print('</tr>'); 432: } 433: # ------------------------------------------------------------------- End table 434: $r->print('</table>'); 435: # ----------------------------------------------------------------- Check marks 436: %showedcheck=(); 437: undef %showedcheck; 438: # --------------------------------------------------------------- Remove button 439: if ($allowed) { $r->print('<input type="button" onClick="removesub()" value="Remove Checked Entries">'. 440: &Apache::loncommon::help_open_topic('Calendar_Remove_Announcement').'</form>'); } 441: $r->print('<p>'. 442: '<a href="/adm/announcements?month='.$pm.'&year='.$py. 443: ($pickdatemode?$pickinfo:'').'">'.&mt('Previous Month').'</a> '. 444: '<a href="/adm/announcements?month='.$fm.'&year='.$fy. 445: ($pickdatemode?$pickinfo:'').'">'.&mt('Next Month').'</a>'. 446: '   <a href="/adm/announcements?month='.$todayhash{'month'}. 447: '&year='.$todayhash{'year'}. 448: ($pickdatemode?$pickinfo:'').'">'.&mt('Current Month').'</a></p>'. 449: ($pickdatemode?'</font>':''). 450: '</body></html>'); 451: return OK; 452: } 453: 454: 1; 455: __END__