Annotation of loncom/homework/structuretags.pm, revision 1.58
1.34 albertel 1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
1.33 albertel 3: # 2/19 Guy
1.44 ng 4: # 6/26/2001 fixed extra web display at end of <web></web> tags
1.58 ! www 5: # 8/17,8/18 Gerd Kortemeyer
1.54 www 6:
1.1 albertel 7: package Apache::structuretags;
8:
9: use strict;
10: use Apache::lonnet;
11:
12: sub BEGIN {
1.48 albertel 13: &Apache::lonxml::register('Apache::structuretags',('block','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext'));
1.37 albertel 14: # &Apache::lonxml::register_insert('problem','',('part','postanswerdate','preduedate'))
1.10 albertel 15: }
16:
17: sub start_web {
1.40 albertel 18: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.10 albertel 19: my $bodytext=&Apache::lonxml::get_all_text("/web",$$parser[$#$parser]);
1.19 albertel 20: if ($target eq 'web') {
21: return $bodytext;
22: }
23: return '';
1.10 albertel 24: }
25:
26: sub end_web {
1.44 ng 27: return '';
1.10 albertel 28: }
29:
30: sub start_tex {
1.40 albertel 31: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.10 albertel 32: my $bodytext=&Apache::lonxml::get_all_text("/tex",$$parser[$#$parser]);
1.19 albertel 33: if ($target eq 'tex') {
34: return $bodytext
35: }
1.10 albertel 36: return '';
37: }
38:
39: sub end_tex {
1.44 ng 40: return '';
1.9 albertel 41: }
42:
1.48 albertel 43: sub page_start {
44: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
45: my $result=&Apache::londefdef::start_html($target,$token,$tagstack,$parstack,$parser,$safeeval);
46: my $head_tag_start='<head>'.&Apache::lonxml::registerurl();
47: my $body_tag_start='<body onLoad="'.&Apache::lonxml::loadevents().'" '.
1.50 albertel 48: 'onUnload="'.&Apache::lonxml::unloadevents().'" ';
49: my $background=&Apache::lonxml::get_param('background',$parstack,$safeeval);
50: if ($background) {
51: $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
52: $background;
53: $body_tag_start.='background="'.$background.'" ';
54: } else {
55: my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,$safeeval);
56: if ($bgcolor) {
57: $body_tag_start.='bgcolor="'.$bgcolor.'" ';
58: } else {
59: $body_tag_start.='bgcolor="#ffffff"';
60: }
61: }
62: $body_tag_start.='>';
1.48 albertel 63: return ($result,$head_tag_start,$body_tag_start);
64: }
65:
1.9 albertel 66: sub start_problem {
1.40 albertel 67: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19 albertel 68:
69: #intialize globals
70: $Apache::inputtags::part='0';
71: @Apache::inputtags::responselist = ();
1.51 albertel 72: @Apache::inputtags::previous=();
1.42 albertel 73: $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
74: &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
75: if ($Apache::lonhomework::type eq '') {
1.53 albertel 76: my $uri=$ENV{'request.uri'};
77: if ($uri=~/\.(\w+)$/) {
78: $Apache::lonhomework::type=$1;
79: &Apache::lonxml::debug("Using type of $1");
80: } else {
81: $Apache::lonhomework::type='problem';
82: &Apache::lonxml::debug("Using default type, problem, :$uri:");
83: }
1.42 albertel 84: }
1.58 ! www 85:
1.19 albertel 86: #adeed vars to the scripting enviroment
87: my $expression='$external::part='.$Apache::inputtags::part.';';
88: &Apache::run::run($expression,$safeeval);
1.22 albertel 89: my $status;
1.55 www 90: my $accessmsg;
1.36 albertel 91:
1.41 albertel 92: #should get back a <html> or the neccesary stuff to start XML/MathML
1.48 albertel 93: my ($result,$head_tag_start,$body_tag_start)=
94: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.36 albertel 95:
1.58 ! www 96: if ($Apache::lonhomework::type eq 'exam') {
! 97: if ($target eq 'web') {
! 98: my $token=$Apache::lonhomework::history{"resource.0.outtoken"};
! 99: if (($ENV{'form.doescheckout'}) && (!$token)) {
! 100: $token=&Apache::lonxml::maketoken();
! 101: }
! 102: $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
! 103: }
! 104: if ($target eq 'meta') {
! 105: print "Cool, I was called";
! 106:
! 107: return (<<ENDSTORES);
! 108: <stores part="0" name="outtoken" type="string"
! 109: display="Document ID checked out" />
! 110: <stores part="0" name="checkouttime" type="date"
! 111: display="Time checked out" />
! 112: <stores part="0" name="outremote" type="string"
! 113: display="Client IP checked out from" />
! 114:
! 115: <stores part="0" name="intoken" type="string"
! 116: display="Document ID checked in" />
! 117: <stores part="0" name="checkintime" type="date"
! 118: display="Time checked in" />
! 119: <stores part="0" name="inremote" type="string"
! 120: display="Client IP checked in from" />
! 121: ENDSTORES
1.57 www 122: }
123: }
1.34 albertel 124: if ($target eq 'web' || $target eq 'grade') {
1.55 www 125: ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
1.22 albertel 126: push (@Apache::inputtags::status,$status);
1.24 albertel 127: my $expression='$external::datestatus="'.$status.'";';
128: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
129: &Apache::run::run($expression,$safeeval);
1.54 www 130: if (( $status eq 'CLOSED' ) ||
131: ( $status eq 'UNCHECKEDOUT') ||
132: ( $status eq 'BANNED')) {
1.21 albertel 133: my $bodytext=&Apache::lonxml::get_all_text("/problem",$$parser[$#$parser]);
134: if ( $target eq "web" ) {
1.41 albertel 135: $result.= $head_tag_start.'</head>';
1.54 www 136: my $msg=$body_tag_start.
137: '<h1>Not open to be viewed</h1>';
138: if ($status eq 'CLOSED') {
1.55 www 139: $msg.='The problem '.$accessmsg;
1.54 www 140: } elsif ($status eq 'UNCHECKEDOUT') {
1.56 www 141: $msg.=(<<ENDCHECKOUT);
142: <h2>The resource needs to be checked out</h2>
143: As a resource gets checked out, a unique timestamped ID is given to it, and a
144: permanent record is left in the system.<p />
145: <font color=red>
146: Checking out resources is subject to course policies, and may exclude future
147: credit even if done erroneously.<p />
148: </font>
149: <form method=post>
1.57 www 150: <input type=submit name="doescheckout"
151: value="Check out Exam for Viewing" />
1.56 www 152: </form>
153: ENDCHECKOUT
1.54 www 154: }
155: return $result.$msg.'<br />';
1.21 albertel 156: }
1.41 albertel 157: }
1.21 albertel 158: }
1.19 albertel 159: if ($target eq 'web') {
1.39 albertel 160: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.30 albertel 161: if ($name eq '') {
162: $name=&Apache::lonnet::EXT('resource.title');
163: if ($name eq 'con_lost') { $name = ''; }
164: }
165: $Apache::lonhomework::name=$name;
1.22 albertel 166: if ($status eq 'CAN_ANSWER') {
167: # create a page header and exit
1.41 albertel 168: $result.="$head_tag_start<title>$name</title></head>\n
169: $body_tag_start\n
1.36 albertel 170: <form name=\"lonhomework\" method=\"POST\" action=\"".$ENV{'request.uri'}."\">".
171: '<input type="hidden" name="submitted" value="yes" />';
172: if ($ENV{'request.state'} eq "construct") {
173: $result.='<input type="hidden" name="problemmode" value="View" />
174: <input type="submit" name="problemmode" value="Edit" /><hr />';
175: }
176: return $result;
1.29 albertel 177: } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER' || $status eq 'CLOSED') {
1.41 albertel 178: return $result.$head_tag_start."<title>$name</title></head>\n$body_tag_start\n";
1.22 albertel 179: }
180: }
1.34 albertel 181: if ($target eq 'edit') {
1.41 albertel 182: $result.=$head_tag_start."</head>".$body_tag_start.
183: '<form name="lonhomework" method="POST" action="'.$ENV{'request.uri'}.'">
184: <input type="hidden" name="submitted" value="edit" />
185: <input type="hidden" name="problemmode" value="Edit" />
186: <input type="submit" name="problemmode" value="View" />
187: <input type="submit" name="Undo" value="undo" /> <hr />
1.49 albertel 188: <input type="submit" name="submit" value="Submit Changes" /><br />
1.41 albertel 189: ';
1.39 albertel 190: my $temp=&Apache::edit::insertlist($target,$token);
1.36 albertel 191: $result.=$temp;
192: return $result;
1.34 albertel 193: }
1.37 albertel 194: if ($target eq 'modified') {
195: $result=$token->[4];
196: $result.=&Apache::edit::handle_insert();
197: return $result;
198: }
1.19 albertel 199: return '';
1.9 albertel 200: }
201:
202: sub end_problem {
1.40 albertel 203: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.16 albertel 204: my $result='';
1.24 albertel 205: my $status=$Apache::inputtags::status['-1'];
1.40 albertel 206: if ($target eq 'grade' || $target eq 'web' ) {
1.28 albertel 207: if ( $target eq 'grade' && $Apache::inputtags::part eq '0' &&
208: $status eq 'CAN_ANSWER') {
1.19 albertel 209: # if part is zero, no <part>s existed, so we need to the grading
210: &Apache::inputtags::grade;
211: } elsif ($Apache::inputtags::part eq '0') {
212: # if part is zero, no <part>s existed, so we need show the current
213: # grading status
1.20 albertel 214: $result.= &Apache::inputtags::gradestatus($Apache::inputtags::part);
1.41 albertel 215: }
1.22 albertel 216: if ($target eq 'web') {
217: if ($status eq 'CAN_ANSWER') {
218: $result.="</form></body>\n";
1.28 albertel 219: } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1.41 albertel 220: $result.="</body>\n";
221: }
1.50 albertel 222: $result.=&Apache::lonxml::xmlend();
1.22 albertel 223: }
1.41 albertel 224: }
1.34 albertel 225: if ($target eq 'meta') {
1.18 albertel 226: if ($Apache::inputtags::part eq '0') {
1.16 albertel 227: $result=&Apache::response::mandatory_part_meta;
228: }
229: }
1.34 albertel 230: if ($target eq 'edit') {
231: &Apache::lonxml::debug("in end_problem with $target, edit");
1.48 albertel 232: $result='<br /><input type="submit" name="submit" value="Submit Changes" />';
233: }
234: return $result;
235: }
236:
237: sub start_library {
238: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
239: my ($result,$head_tag_start,$body_tag_start)=
240: &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
241: if ($target eq 'edit') {
242: $result.=$head_tag_start."</head>".$body_tag_start.
243: '<form name="lonhomework" method="POST" action="'.$ENV{'request.uri'}.'">
244: <input type="hidden" name="submitted" value="edit" />
245: <input type="hidden" name="problemmode" value="Edit" />
246: <input type="submit" name="problemmode" value="View" />
247: <input type="submit" name="Undo" value="undo" /> <hr />
248: ';
249: my $temp=&Apache::edit::insertlist($target,$token);
250: $result.=$temp;
251: return $result;
252: }
253: if ($target eq 'modified') {
254: $result=$token->[4];
255: $result.=&Apache::edit::handle_insert();
256: return $result;
257: }
258: return '';
259: }
260:
261: sub end_library {
262: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
263: my $result='';
264: if ($target eq 'edit') {
1.34 albertel 265: $result='<br /><input type="submit" name="submit" value="Submit Changes" />';
266: }
1.16 albertel 267: return $result;
1.1 albertel 268: }
269:
270: sub start_block {
1.40 albertel 271: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.1 albertel 272:
1.38 albertel 273: if ($target eq 'web' || $target eq 'grade') {
274: my $code = @$parstack[$#$parstack];
275: $code =~ s/\"//g;
276: $code .=';return $condition;';
277: # print "<br />$code<br />";
278: my $result = &Apache::run::run($code,$safeeval);
279: &Apache::lonxml::debug("block :$code: returned :$result:");
280: if ( ! $result ) {
281: my $skip=&Apache::lonxml::get_all_text("/block",$$parser[$#$parser]);
282: &Apache::lonxml::debug("skipping ahead :$skip: $$parser[$#$parser]");
283: }
1.1 albertel 284: }
285: return "";
286: }
287:
288: sub end_block {
1.38 albertel 289: return '';
1.4 tsai 290: }
291:
292: sub start_while {
1.40 albertel 293: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.4 tsai 294:
295: my $code = @$parstack[$#$parstack];
296: $code =~ s/\"//g;
297: $code .=';return $condition;';
298:
1.5 tsai 299: push( @Apache::structuretags::whileconds, $code);
1.4 tsai 300: my $result = &Apache::run::run($code,$safeeval);
301: my $bodytext=$$parser[$#$parser]->get_text("/while");
1.5 tsai 302: push( @Apache::structuretags::whilebody, $bodytext);
303: if ( $result ) {
1.8 albertel 304: &Apache::lonxml::newparser($parser,\$bodytext);
1.4 tsai 305: }
306: return "";
307: }
308:
309: sub end_while {
1.40 albertel 310: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.5 tsai 311: my $code = pop @Apache::structuretags::whileconds;
312: my $bodytext = pop @Apache::structuretags::whilebody;
313: my $result = &Apache::run::run($code,$safeeval);
314: if ( $result ) {
1.8 albertel 315: &Apache::lonxml::newparser($parser,\$bodytext);
1.5 tsai 316: }
317: return "";
1.1 albertel 318: }
1.6 tsai 319:
320: # <randomlist>
321: # <tag1>..</tag1>
322: # <tag2>..</tag2>
323: # <tag3>..</tag3>
324: # ...
325: # </randomlist>
326: sub start_randomlist {
1.40 albertel 327: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.9 albertel 328: my $body= &Apache::lonxml::get_all_text("/randomlist",$$parser[$#$parser]);
1.6 tsai 329: my $b_parser= HTML::TokeParser->new(\$body);
330: my $b_tok;
331: my @randomlist;
332: my $list_item;
333:
334: while($b_tok = $b_parser->get_token() ) {
335: if($b_tok->[0] eq 'S') { # start tag
336: # get content of the tag until matching end tag
337: # get all text upto the matching tag
338: # and push the content into @randomlist
1.9 albertel 339: $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],$b_parser);
1.7 tsai 340: $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1.6 tsai 341: push(@randomlist,$list_item);
1.32 albertel 342: # print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4], $list_item</b>";
1.6 tsai 343: }
344: if($b_tok->[0] eq 'T') { # text
345: # what to do with text in between tags?
1.32 albertel 346: # print "<b>TEXT $b_tok->[1]</b><br />";
1.6 tsai 347: }
348: # if($b_tok->[0] eq 'E') { # end tag, should not happen
1.32 albertel 349: # print "<b>END-TAG $b_tok->[1]</b><br />";
1.6 tsai 350: # }
351: }
1.7 tsai 352: my @idx_arr = (0 .. $#randomlist);
353: &Apache::structuretags::shuffle(\@idx_arr);
354: my $bodytext = '';
355: for(0 .. $#randomlist) {
356: $bodytext .= "$randomlist[ $idx_arr[$_] ]";
357: }
1.8 albertel 358:
359: &Apache::lonxml::newparser($parser,\$bodytext);
1.6 tsai 360: return "";
1.7 tsai 361: }
362:
363: sub shuffle {
364: my $a=shift;
365: my $i;
1.52 albertel 366: &Apache::response::setrandomnumber();
1.7 tsai 367: for($i=@$a;--$i;) {
368: my $j=int rand($i+1);
369: next if $i == $j;
370: @$a[$i,$j] = @$a[$j,$i];
371: }
1.6 tsai 372: }
373:
374: sub end_randomlist {
1.46 albertel 375: return '';
1.6 tsai 376: }
377:
1.11 albertel 378: sub start_part {
1.40 albertel 379: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.39 albertel 380: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
1.47 albertel 381: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
1.14 albertel 382: $Apache::inputtags::part=$id;
1.18 albertel 383: @Apache::inputtags::responselist = ();
1.51 albertel 384: @Apache::inputtags::previous=();
1.15 www 385: if ($target eq 'meta') {
1.16 albertel 386: return &Apache::response::mandatory_part_meta;
1.37 albertel 387: } elsif ($target eq 'web' || $target eq 'grade') {
1.55 www 388: my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1.23 albertel 389: push (@Apache::inputtags::status,$status);
390: my $expression='$external::datestatus="'.$status.'";';
391: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
392: &Apache::run::run($expression,$safeeval);
393: if ( $status eq 'CLOSED' ) {
1.21 albertel 394: my $bodytext=&Apache::lonxml::get_all_text("/part",$$parser[$#$parser]);
395: if ( $target eq "web" ) {
1.55 www 396: return "<br />Part is not open to be viewed. It $accessmsg<br />";
1.21 albertel 397: }
398: }
1.15 www 399: }
1.19 albertel 400: return '';
1.11 albertel 401: }
402:
403: sub end_part {
1.40 albertel 404: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.18 albertel 405: &Apache::lonxml::debug("in end_part $target ");
1.28 albertel 406: my $status=$Apache::inputtags::status['-1'];
1.23 albertel 407: pop @Apache::inputtags::status;
1.19 albertel 408: if ( $target eq 'meta' ) { return ''; }
1.37 albertel 409: if ( $target eq 'grade' && $status eq 'CAN_ANSWER') {
410: return &Apache::inputtags::grade;
1.28 albertel 411: }
1.37 albertel 412: if ($target eq 'web') {
413: return &Apache::inputtags::gradestatus($Apache::inputtags::part);
414: }
415: return '';
1.11 albertel 416: }
1.1 albertel 417:
1.25 albertel 418: sub start_preduedate {
1.40 albertel 419: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.34 albertel 420: if ($target eq 'web' || $target eq 'grade') {
1.29 albertel 421: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
422: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER' ) {
1.26 albertel 423: &Apache::lonxml::get_all_text("/preduedate",$$parser[$#$parser]);
1.24 albertel 424: }
425: }
426: return '';
427: }
428:
1.25 albertel 429: sub end_preduedate {
1.24 albertel 430: return '';
431: }
432:
1.25 albertel 433: sub start_postanswerdate {
1.40 albertel 434: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.34 albertel 435: if ($target eq 'web' || $target eq 'grade') {
1.24 albertel 436: if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1.26 albertel 437: &Apache::lonxml::get_all_text("/postanswerdate",$$parser[$#$parser]);
1.24 albertel 438: }
439: }
440: return '';
441: }
442:
1.25 albertel 443: sub end_postanswerdate {
1.24 albertel 444: return '';
445: }
446:
1.25 albertel 447: sub start_notsolved {
1.40 albertel 448: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.34 albertel 449: if ($target eq 'web' || $target eq 'grade') {
1.24 albertel 450: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
451: &Apache::lonxml::debug("not solved has :$gradestatus:");
452: if ($gradestatus =~ /^correct/) {
453: &Apache::lonxml::debug("skipping");
1.26 albertel 454: &Apache::lonxml::get_all_text("/notsolved",$$parser[$#$parser]);
1.24 albertel 455: }
456: }
457: return '';
458: }
459:
1.25 albertel 460: sub end_notsolved {
1.24 albertel 461: return '';
462: }
463:
464: sub start_solved {
1.40 albertel 465: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.34 albertel 466: if ($target eq 'web' || $target eq 'grade') {
1.24 albertel 467: my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
468: if ($gradestatus !~ /^correct/) {
469: &Apache::lonxml::get_all_text("/solved",$$parser[$#$parser]);
470: }
471: }
472: return '';
473: }
474:
475: sub end_solved {
476: return '';
477: }
1.34 albertel 478:
479: sub start_startouttext {
1.40 albertel 480: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.35 albertel 481: my @result=(''.'');
482: if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
483: return (@result);
1.34 albertel 484: }
485: sub end_startouttext {
1.40 albertel 486: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.34 albertel 487: my $result='';
1.35 albertel 488: my $text='';
489:
1.34 albertel 490: if ($target eq 'edit') {
1.35 albertel 491: $text=&Apache::lonxml::get_all_text("endouttext",$$parser[$#$parser]);
1.43 albertel 492: $result.=&Apache::edit::start_table($token)."<tr><td>Text Block</td>
1.42 albertel 493: <td>Delete:".
494: &Apache::edit::deletelist($target,$token)
495: ."</td>
496: <td>".
497: &Apache::edit::insertlist($target,$token).
498: "</td>
499: </tr><tr><td colspan=\"3\">\n".
1.45 albertel 500: &Apache::edit::editfield($token->[1],$text,"",50,4);
1.35 albertel 501: }
502: if ($target eq 'modified') {
503: $text=&Apache::lonxml::get_all_text("endouttext",$$parser['-1']);
504: $result='<startouttext />'.&Apache::edit::modifiedfield();
1.34 albertel 505: }
506: return $result;
507: }
508: sub start_endouttext {
1.40 albertel 509: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.34 albertel 510: my $result='';
1.43 albertel 511: if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1.35 albertel 512: if ($target eq "modified") { $result='<endouttext />'; }
1.34 albertel 513: return $result;
514: }
515: sub end_endouttext {
1.40 albertel 516: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.35 albertel 517: my @result=('','');
518: if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
519: return (@result);
1.34 albertel 520: }
1.45 albertel 521: sub delete_startouttext {
522: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
523: # my $text=&Apache::lonxml::get_all_text("endouttext",$$parser['-1']);
524: my $text=$$parser['-1']->get_text("/endouttext");
525: my $token=$$parser['-1']->get_token();
526: &Apache::lonxml::debug("Deleting :$text: and :$token->[0]:$token->[1]:$token->[2]: for startouttext");
527: &Apache::lonxml::end_tag($tagstack,$parstack,$token);
528: # Deleting 2 parallel tag pairs, but we need the numbers later to look like
529: # they did the last time round
530: &Apache::lonxml::increasedepth($token);
531: &Apache::lonxml::decreasedepth($token);
532: return 1;
533: }
1.34 albertel 534:
1.1 albertel 535: 1;
536: __END__
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