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fixed bug 1865
1 ################################################################################ 2 # WeBWorK Online Homework Delivery System 3 # Copyright © 2000-2007 The WeBWorK Project, http://openwebwork.sf.net/ 4 # $CVSHeader: webwork2/lib/WeBWorK/ContentGenerator/Instructor/SetMaker.pm,v 1.85 2008/07/01 13:18:52 glarose Exp $ 5 # 6 # This program is free software; you can redistribute it and/or modify it under 7 # the terms of either: (a) the GNU General Public License as published by the 8 # Free Software Foundation; either version 2, or (at your option) any later 9 # version, or (b) the "Artistic License" which comes with this package. 10 # 11 # This program is distributed in the hope that it will be useful, but WITHOUT 12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 13 # FOR A PARTICULAR PURPOSE. See either the GNU General Public License or the 14 # Artistic License for more details. 15 ################################################################################ 16 17 18 package WeBWorK::ContentGenerator::Instructor::SetMaker2; 19 use base qw(WeBWorK::ContentGenerator::Instructor); 20 21 =head1 NAME 22 23 WeBWorK::ContentGenerator::Instructor::SetMaker2 - Make homework sets. 24 25 =cut 26 27 use strict; 28 use warnings; 29 30 31 #use CGI qw(-nosticky); 32 use WeBWorK::CGI; 33 use WeBWorK::Debug; 34 use WeBWorK::Form; 35 use WeBWorK::Utils qw(readDirectory max sortByName); 36 use WeBWorK::Utils::Tasks qw(renderProblems); 37 use File::Find; 38 39 require WeBWorK::Utils::ListingDB; 40 41 use constant SHOW_HINTS_DEFAULT => 0; 42 use constant SHOW_SOLUTIONS_DEFAULT => 0; 43 use constant MAX_SHOW_DEFAULT => 20; 44 use constant NO_LOCAL_SET_STRING => 'No sets in this course yet'; 45 use constant SELECT_SET_STRING => 'Select a Set from this Course'; 46 use constant SELECT_LOCAL_STRING => 'Select a Problem Collection'; 47 use constant MY_PROBLEMS => ' My Problems '; 48 use constant MAIN_PROBLEMS => ' Unclassified Problems '; 49 use constant CREATE_SET_BUTTON => 'Create New Set'; 50 use constant ALL_CHAPTERS => 'All Chapters'; 51 use constant ALL_SUBJECTS => 'All Subjects'; 52 use constant ALL_SECTIONS => 'All Sections'; 53 use constant ALL_TEXTBOOKS => 'All Textbooks'; 54 55 use constant LIB2_DATA => { 56 'dbchapter' => {name => 'library_chapters', all => 'All Chapters'}, 57 'dbsection' => {name => 'library_sections', all =>'All Sections' }, 58 'dbsubject' => {name => 'library_subjects', all => 'All Subjects' }, 59 'textbook' => {name => 'library_textbook', all => 'All Textbooks'}, 60 'textchapter' => {name => 'library_textchapter', all => 'All Chapters'}, 61 'textsection' => {name => 'library_textsection', all => 'All Sections'}, 62 'keywords' => {name => 'library_keywords', all => '' }, 63 }; 64 65 ## Flags for operations on files 66 67 use constant ADDED => 1; 68 use constant HIDDEN => (1 << 1); 69 use constant SUCCESS => (1 << 2); 70 use constant DELETED => (1 << 3); 71 use constant MOVED => (1 << 4); 72 73 ## for additional problib buttons 74 my %problib; ## filled in in global.conf 75 my %ignoredir = ( 76 '.' => 1, '..' => 1, 'Library' => 1, 'CVS' => 1, 'tmpEdit' => 1, 77 'headers' => 1, 'macros' => 1, 'email' => 1, '.svn' => 1, 78 ); 79 80 sub prepare_activity_entry { 81 my $self=shift; 82 my $r = $self->r; 83 my $user = $self->r->param('user') || 'NO_USER'; 84 return("In SetMaker as user $user"); 85 } 86 87 ## This is for searching the disk for directories containing pg files. 88 ## to make the recursion work, this returns an array where the first 89 ## item is the number of pg files in the directory. The second is a 90 ## list of directories which contain pg files. 91 ## 92 ## If a directory contains only one pg file and the directory name 93 ## is the same as the file name, then the directory is considered 94 ## to be part of the parent directory (it is probably in a separate 95 ## directory only because it has auxiliary files that want to be 96 ## kept together with the pg file). 97 ## 98 ## If a directory has a file named "=library-ignore", it is never 99 ## included in the directory menu. If a directory contains a file 100 ## called "=library-combine-up", then its pg are included with those 101 ## in the parent directory (and the directory does not appear in the 102 ## menu). If it has a file called "=library-no-combine" then it is 103 ## always listed as a separate directory even if it contains only one 104 ## pg file. 105 106 sub get_library_sets { 107 my $top = shift; my $dir = shift; 108 # ignore directories that give us an error 109 my @lis = eval { readDirectory($dir) }; 110 if ($@) { 111 warn $@; 112 return (0); 113 } 114 return (0) if grep /^=library-ignore$/, @lis; 115 116 my @pgfiles = grep { m/\.pg$/ and (not m/(Header|-text)\.pg$/) and -f "$dir/$_"} @lis; 117 my $pgcount = scalar(@pgfiles); 118 my $pgname = $dir; $pgname =~ s!.*/!!; $pgname .= '.pg'; 119 my $combineUp = ($pgcount == 1 && $pgname eq $pgfiles[0] && !(grep /^=library-no-combine$/, @lis)); 120 121 my @pgdirs; 122 my @dirs = grep {!$ignoredir{$_} and -d "$dir/$_"} @lis; 123 if ($top == 1) {@dirs = grep {!$problib{$_}} @dirs} 124 foreach my $subdir (@dirs) { 125 my @results = get_library_sets(0, "$dir/$subdir"); 126 $pgcount += shift @results; push(@pgdirs,@results); 127 } 128 129 return ($pgcount, @pgdirs) if $top || $combineUp || grep /^=library-combine-up$/, @lis; 130 return (0,@pgdirs,$dir); 131 } 132 133 sub get_library_pgs { 134 my $top = shift; my $base = shift; my $dir = shift; 135 my @lis = readDirectory("$base/$dir"); 136 return () if grep /^=library-ignore$/, @lis; 137 return () if !$top && grep /^=library-no-combine$/, @lis; 138 139 my @pgs = grep { m/\.pg$/ and (not m/(Header|-text)\.pg$/) and -f "$base/$dir/$_"} @lis; 140 my $others = scalar(grep { (!m/\.pg$/ || m/(Header|-text)\.pg$/) && 141 !m/(\.(tmp|bak)|~)$/ && -f "$base/$dir/$_" } @lis); 142 143 my @dirs = grep {!$ignoredir{$_} and -d "$base/$dir/$_"} @lis; 144 if ($top == 1) {@dirs = grep {!$problib{$_}} @dirs} 145 foreach my $subdir (@dirs) {push(@pgs, get_library_pgs(0,"$base/$dir",$subdir))} 146 147 return () unless $top || (scalar(@pgs) == 1 && $others) || grep /^=library-combine-up$/, @lis; 148 return (map {"$dir/$_"} @pgs); 149 } 150 151 sub list_pg_files { 152 my ($templates,$dir) = @_; 153 my $top = ($dir eq '.')? 1 : 2; 154 my @pgs = get_library_pgs($top,$templates,$dir); 155 return sortByName(undef,@pgs); 156 } 157 158 ## Search for set definition files 159 160 sub get_set_defs { 161 my $topdir = shift; 162 my @found_set_defs; 163 # get_set_defs_wanted is a closure over @found_set_defs 164 my $get_set_defs_wanted = sub { 165 #my $fn = $_; 166 #my $fdir = $File::Find::dir; 167 #return() if($fn !~ /^set.*\.def$/); 168 ##return() if(not -T $fn); 169 #push @found_set_defs, "$fdir/$fn"; 170 push @found_set_defs, $_ if m|/set[^/]*\.def$|; 171 }; 172 find({ wanted => $get_set_defs_wanted, follow_fast=>1, no_chdir=>1}, $topdir); 173 map { $_ =~ s|^$topdir/?|| } @found_set_defs; 174 return @found_set_defs; 175 } 176 177 ## Try to make reading of set defs more flexible. Additional strategies 178 ## for fixing a path can be added here. 179 180 sub munge_pg_file_path { 181 my $self = shift; 182 my $pg_path = shift; 183 my $path_to_set_def = shift; 184 my $end_path = $pg_path; 185 # if the path is ok, don't fix it 186 return($pg_path) if(-e $self->r->ce->{courseDirs}{templates}."/$pg_path"); 187 # if we have followed a link into a self contained course to get 188 # to the set.def file, we need to insert the start of the path to 189 # the set.def file 190 $end_path = "$path_to_set_def/$pg_path"; 191 return($end_path) if(-e $self->r->ce->{courseDirs}{templates}."/$end_path"); 192 # if we got this far, this path is bad, but we let it produce 193 # an error so the user knows there is a troublesome path in the 194 # set.def file. 195 return($pg_path); 196 } 197 198 ## Read a set definition file. This could be abstracted since it happens 199 ## elsewhere. Here we don't have to process so much of the file. 200 201 sub read_set_def { 202 my $self = shift; 203 my $r = $self->r; 204 my $filePathOrig = shift; 205 my $filePath = $r->ce->{courseDirs}{templates}."/$filePathOrig"; 206 $filePathOrig =~ s/set.*\.def$//; 207 $filePathOrig =~ s|/$||; 208 $filePathOrig = "." if ($filePathOrig !~ /\S/); 209 my @pg_files = (); 210 my ($line, $got_to_pgs, $name, @rest) = ("", 0, ""); 211 if ( open (SETFILENAME, "$filePath") ) { 212 while($line = <SETFILENAME>) { 213 chomp($line); 214 $line =~ s|(#.*)||; # don't read past comments 215 if($got_to_pgs) { 216 unless ($line =~ /\S/) {next;} # skip blank lines 217 ($name,@rest) = split (/\s*,\s*/,$line); 218 $name =~ s/\s*//g; 219 push @pg_files, $name; 220 } else { 221 $got_to_pgs = 1 if ($line =~ /problemList\s*=/); 222 } 223 } 224 } else { 225 $self->addbadmessage("Cannot open $filePath"); 226 } 227 # This is where we would potentially munge the pg file paths 228 # One possibility 229 @pg_files = map { $self->munge_pg_file_path($_, $filePathOrig) } @pg_files; 230 return(@pg_files); 231 } 232 233 ## go through past page getting a list of identifiers for the problems 234 ## and whether or not they are selected, and whether or not they should 235 ## be hidden 236 237 sub get_past_problem_files { 238 my $r = shift; 239 my @found=(); 240 my $count =1; 241 while (defined($r->param("filetrial$count"))) { 242 my $val = 0; 243 $val |= ADDED if($r->param("trial$count")); 244 $val |= HIDDEN if($r->param("hideme$count")); 245 $val |= MOVED if($r->param("moved$count")); 246 push @found, [$r->param("filetrial$count"), $val]; 247 $count++; 248 } 249 $count = 1; 250 while (defined($r->param("mysetfiletrial$count"))) { 251 my $val = 0; 252 $val |= DELETED if($r->param("deleted$count")); 253 push @found, [$r->param("mysetfiletrial$count"), $val]; 254 $count++; 255 } 256 return(\@found); 257 } 258 259 #### For adding new problems 260 261 sub add_selected { 262 my $self = shift; 263 my $db = shift; 264 my $setName = shift; 265 my @past_problems = @{$self->{past_problems}}; 266 my @selected = @past_problems; 267 my (@path, $file, $selected, $freeProblemID); 268 # DBFIXME count would work just as well 269 $freeProblemID = max($db->listGlobalProblems($setName)) + 1; 270 my $addedcount=0; 271 272 for $selected (@selected) { 273 if($selected->[1] & ADDED || $selected->[1] & MOVED) { 274 $file = $selected->[0]; 275 #print "$file"; 276 my $problemRecord = $self->addProblemToSet(setName => $setName, 277 sourceFile => $file, problemID => $freeProblemID); 278 $freeProblemID++; 279 $self->assignProblemToAllSetUsers($problemRecord); 280 if(!($selected->[1] & MOVED)){ 281 $selected->[1] |= SUCCESS; 282 } 283 $addedcount++; 284 } 285 } 286 return($addedcount); 287 } 288 289 sub delete_selected { 290 my $self = shift; 291 my $db = shift; 292 my $setName = shift; 293 my @past_problems = @{$self->{past_problems}}; 294 my @selected = @past_problems; 295 my (@path, $file, $selected); 296 # DBFIXME count would work just as well 297 my $deletedcount=0; 298 299 for $selected (@selected) { 300 if($selected->[1] & DELETED || $selected->[1] & MOVED) { 301 foreach my $problem ($db->listGlobalProblems($setName)) { 302 my $problemRecord = $db->getGlobalProblem($setName, $problem); 303 if($problemRecord->source_file eq $selected->[0]){ 304 $db->deleteGlobalProblem($setName, $problemRecord->problem_id); 305 } 306 } 307 if(!($selected->[1] & MOVED)){ 308 $selected->[1] |= SUCCESS; 309 } 310 $deletedcount++; 311 } 312 } 313 return($deletedcount); 314 } 315 316 317 ############# List of sets of problems in templates directory 318 319 sub get_problem_directories { 320 my $ce = shift; 321 my $lib = shift; 322 my $source = $ce->{courseDirs}{templates}; 323 my $main = MY_PROBLEMS; my $isTop = 1; 324 if ($lib) {$source .= "/$lib"; $main = MAIN_PROBLEMS; $isTop = 2} 325 my @all_problem_directories = get_library_sets($isTop, $source); 326 my $includetop = shift @all_problem_directories; 327 my $j; 328 for ($j=0; $j<scalar(@all_problem_directories); $j++) { 329 $all_problem_directories[$j] =~ s|^$ce->{courseDirs}->{templates}/?||; 330 } 331 @all_problem_directories = sortByName(undef, @all_problem_directories); 332 unshift @all_problem_directories, $main if($includetop); 333 return (\@all_problem_directories); 334 } 335 336 ############# Everyone has a view problems line. Abstract it 337 sub view_problems_line { 338 my $internal_name = shift; 339 my $label = shift; 340 my $r = shift; # so we can get parameter values 341 my $result = CGI::submit(-name=>"$internal_name", -value=>$label); 342 343 my %display_modes = %{WeBWorK::PG::DISPLAY_MODES()}; 344 my @active_modes = grep { exists $display_modes{$_} } 345 @{$r->ce->{pg}->{displayModes}}; 346 push @active_modes, 'None'; 347 # We have our own displayMode since its value may be None, which is illegal 348 # in other modules. 349 my $mydisplayMode = $r->param('mydisplayMode') || $r->ce->{pg}->{options}->{displayMode}; 350 $result .= ' Display Mode: '.CGI::popup_menu(-name=> 'mydisplayMode', 351 -values=>\@active_modes, 352 -default=> $mydisplayMode); 353 # Now we give a choice of the number of problems to show 354 my $defaultMax = $r->param('max_shown') || MAX_SHOW_DEFAULT; 355 $result .= ' Max. Shown: '. 356 CGI::popup_menu(-name=> 'max_shown', 357 -values=>[5,10,15,20,25,30,50,'All'], 358 -default=> $defaultMax); 359 # Option of whether to show hints and solutions 360 my $defaultHints = $r->param('showHints') || SHOW_HINTS_DEFAULT; 361 $result .= " ".CGI::checkbox(-name=>"showHints",-checked=>$defaultHints,-label=>"Hints"); 362 my $defaultSolutions = $r->param('showSolutions') || SHOW_SOLUTIONS_DEFAULT; 363 $result .= " ".CGI::checkbox(-name=>"showSolutions",-checked=>$defaultSolutions,-label=>"Solutions"); 364 365 return($result); 366 } 367 368 369 ### The browsing panel has three versions 370 ##### Version 1 is local problems 371 sub browse_local_panel { 372 my $self = shift; 373 my $library_selected = shift; 374 my $lib = shift || ''; $lib =~ s/^browse_//; 375 my $name = ($lib eq '')? 'Local' : $problib{$lib}; 376 377 my $list_of_prob_dirs= get_problem_directories($self->r->ce,$lib); 378 if(scalar(@$list_of_prob_dirs) == 0) { 379 $library_selected = "Found no directories containing problems"; 380 unshift @{$list_of_prob_dirs}, $library_selected; 381 } else { 382 my $default_value = SELECT_LOCAL_STRING; 383 if (not $library_selected or $library_selected eq $default_value) { 384 unshift @{$list_of_prob_dirs}, $default_value; 385 $library_selected = $default_value; 386 } 387 } 388 debug("library is $lib and sets are $library_selected"); 389 my $view_problem_line = view_problems_line('view_local_set', 'View Problems', $self->r); 390 my @popup_menu_args = ( 391 -name => 'library_sets', 392 -values => $list_of_prob_dirs, 393 -default => $library_selected, 394 ); 395 # make labels without the $lib prefix -- reduces the width of the popup menu 396 if (length($lib)) { 397 my %labels = map { my($l)=$_=~/^$lib\/(.*)$/;$_=>$l } @$list_of_prob_dirs; 398 push @popup_menu_args, -labels => \%labels; 399 } 400 print CGI::div({-class=>"InfoPanel", -align=>"left"}, "$name Problems: ", 401 CGI::popup_menu(@popup_menu_args), 402 CGI::br(), 403 $view_problem_line, 404 ); 405 } 406 407 ##### Version 2 is local homework sets 408 sub browse_mysets_panel { 409 my $self = shift; 410 my $library_selected = shift; 411 my $list_of_local_sets = shift; 412 my $remember_local_set = shift; 413 my $default_value = "Select a Homework Set"; 414 415 if(scalar(@$list_of_local_sets) == 0) { 416 $list_of_local_sets = [NO_LOCAL_SET_STRING]; 417 } elsif (not $library_selected or $library_selected eq $default_value) { 418 unshift @{$list_of_local_sets}, $default_value; 419 $library_selected = $default_value; 420 } 421 422 #my $view_problem_line = view_problems_line('view_mysets_set', 'View Problems', $self->r); 423 print CGI::div({-class=>"InfoPanel", -align=>"left"}, 424 CGI::submit(-name=>"update", -style=>"width: 25ex; font-weight:bold;", 425 -value=>"Update Set"), 426 CGI::popup_menu(-name=> 'myset_sets', 427 -values=>$list_of_local_sets, 428 -default=> $library_selected), 429 CGI::hidden(-name=> 'local_sets', -value=>$remember_local_set), 430 CGI::br(), 431 "<span>", 432 CGI::submit(-name=>"view_mysets_set", -value=>"View Set"), 433 "<span id='problem_counter' style='float:right;'>0</span>", 434 "</span>" 435 ); 436 } 437 438 ##### Version 2.1 is local homework sets 439 sub edit_mysets_panel { 440 my $self = shift; 441 my $library_selected = shift; 442 my $list_of_local_sets = shift; 443 my $default_value = "Select a Homework Set"; 444 445 if(scalar(@$list_of_local_sets) == 0) { 446 $list_of_local_sets = [NO_LOCAL_SET_STRING]; 447 } elsif (not $library_selected or $library_selected eq $default_value) { 448 unshift @{$list_of_local_sets}, $default_value; 449 $library_selected = $default_value; 450 } 451 452 my $view_problem_line = view_problems_line('edit_mysets_set', 'View Problems', $self->r); 453 print CGI::Tr({}, 454 CGI::td({-class=>"InfoPanel", -align=>"left"}, "Browse from: ", 455 CGI::popup_menu(-name=> 'library_sets', 456 -values=>$list_of_local_sets, 457 -default=> $library_selected), 458 CGI::br(), 459 $view_problem_line 460 )); 461 } 462 463 ##### Version 3 is the problem library 464 # 465 # This comes in 3 forms, problem library version 1, and for version 2 there 466 # is the basic, and the advanced interfaces. This function checks what we are 467 # supposed to do, or aborts if the problem library has not been installed. 468 469 sub browse_library_panel { 470 my $self=shift; 471 my $r = $self->r; 472 my $ce = $r->ce; 473 474 # See if the problem library is installed 475 my $libraryRoot = $r->{ce}->{problemLibrary}->{root}; 476 477 unless($libraryRoot) { 478 print CGI::div({class=>'ResultsWithError', align=>"center"}, 479 "The problem library has not been installed."); 480 return; 481 } 482 # Test if the Library directory link exists. If not, try to make it 483 unless(-d "$ce->{courseDirs}->{templates}/Library") { 484 unless(symlink($libraryRoot, "$ce->{courseDirs}->{templates}/Library")) { 485 my $msg = <<"HERE"; 486 You are missing the directory <code>templates/Library</code>, which is needed 487 for the Problem Library to function. It should be a link pointing to 488 <code>$libraryRoot</code>, which you set in <code>conf/global.conf</code>. 489 I tried to make the link for you, but that failed. Check the permissions 490 in your <code>templates</code> directory. 491 HERE 492 $self->addbadmessage($msg); 493 } 494 } 495 496 # Now check what version we are supposed to use 497 my $libraryVersion = $r->{ce}->{problemLibrary}->{version} || 1; 498 if($libraryVersion == 1) { 499 return $self->browse_library_panel1; 500 } elsif($libraryVersion == 2) { 501 return $self->browse_library_panel2 if($self->{library_basic}==1); 502 return $self->browse_library_panel2adv; 503 } else { 504 print CGI::div({class=>'ResultsWithError', align=>"center"}, 505 "The problem library version is set to an illegal value."); 506 return; 507 } 508 } 509 510 sub browse_library_panel1 { 511 my $self = shift; 512 my $r = $self->r; 513 my $ce = $r->ce; 514 515 my @chaps = WeBWorK::Utils::ListingDB::getAllChapters($r->{ce}); 516 unshift @chaps, LIB2_DATA->{dbchapter}{all}; 517 my $chapter_selected = $r->param('library_chapters') || LIB2_DATA->{dbchapter}->{all}; 518 519 my @sects=(); 520 if ($chapter_selected ne LIB2_DATA->{dbchapter}{all}) { 521 @sects = WeBWorK::Utils::ListingDB::getAllSections($r->{ce}, $chapter_selected); 522 } 523 524 unshift @sects, ALL_SECTIONS; 525 my $section_selected = $r->param('library_sections') || LIB2_DATA->{dbsection}{all}; 526 527 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r); 528 529 print CGI::div({-class=>"InfoPanel", -align=>"left"}, 530 CGI::div(["Chapter:", 531 CGI::popup_menu(-name=> 'library_chapters', 532 -values=>\@chaps, 533 -default=> $chapter_selected, 534 -onchange=>"submit();return true" 535 ), 536 CGI::submit(-name=>"lib_select_chapter", -value=>"Update Section List")]), 537 CGI::div("Section:", 538 CGI::popup_menu(-name=> 'library_sections', 539 -values=>\@sects, 540 -default=> $section_selected 541 )), 542 CGI::div($view_problem_line) 543 ); 544 } 545 546 sub browse_library_panel2 { 547 my $self = shift; 548 my $r = $self->r; 549 my $ce = $r->ce; 550 551 my @subjs = WeBWorK::Utils::ListingDB::getAllDBsubjects($r); 552 unshift @subjs, LIB2_DATA->{dbsubject}{all}; 553 554 my @chaps = WeBWorK::Utils::ListingDB::getAllDBchapters($r); 555 unshift @chaps, LIB2_DATA->{dbchapter}{all}; 556 557 my @sects=(); 558 @sects = WeBWorK::Utils::ListingDB::getAllDBsections($r); 559 unshift @sects, LIB2_DATA->{dbsection}{all}; 560 561 my $subject_selected = $r->param('library_subjects') || LIB2_DATA->{dbsubject}{all}; 562 my $chapter_selected = $r->param('library_chapters') || LIB2_DATA->{dbchapter}{all}; 563 my $section_selected = $r->param('library_sections') || LIB2_DATA->{dbsection}{all}; 564 565 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r); 566 567 my $count_line = WeBWorK::Utils::ListingDB::countDBListings($r); 568 if($count_line==0) { 569 $count_line = "There are no matching pg files"; 570 } else { 571 $count_line = "There are $count_line matching WeBWorK problem files"; 572 } 573 574 print CGI::div({-class=>"InfoPanel", -align=>"left"}, 575 CGI::hidden(-name=>"library_is_basic", -default=>1,-override=>1), 576 CGI::div({-style=>"float:left;"},["Subject:", 577 CGI::popup_menu(-name=> 'library_subjects', 578 -values=>\@subjs, 579 -default=> $subject_selected, 580 -onchange=>"submit();return true;" 581 )]), 582 CGI::div({-style=>"float:left;"},["Chapter:", 583 CGI::popup_menu(-name=> 'library_chapters', 584 -values=>\@chaps, 585 -default=> $chapter_selected, 586 -onchange=>"submit();return true;" 587 )]), 588 CGI::div({-style=>"float:left;"},["Section:", 589 CGI::popup_menu(-name=> 'library_sections', 590 -values=>\@sects, 591 -default=> $section_selected, 592 -onchange=>"submit();return true" 593 )]), 594 CGI::div({-colspan=>2, -align=>"right"}, 595 CGI::submit(-name=>"library_advanced", -value=>"Advanced Search")), 596 CGI::div({-colspan=>2, -align=>"right"}, 597 CGI::submit(-name=>"lib_select_subject", -value=>"Update Chapter/Section Lists")), 598 CGI::div({-colspan=>3}, $view_problem_line), 599 CGI::div({-colspan=>3, -align=>"center"}, $count_line) 600 ); 601 602 } 603 604 sub browse_library_panel2adv { 605 my $self = shift; 606 my $r = $self->r; 607 my $ce = $r->ce; 608 my $right_button_style = "width: 18ex"; 609 610 my @subjs = WeBWorK::Utils::ListingDB::getAllDBsubjects($r); 611 if(! grep { $_ eq $r->param('library_subjects') } @subjs) { 612 $r->param('library_subjects', ''); 613 } 614 unshift @subjs, LIB2_DATA->{dbsubject}{all}; 615 616 my @chaps = WeBWorK::Utils::ListingDB::getAllDBchapters($r); 617 if(! grep { $_ eq $r->param('library_chapters') } @chaps) { 618 $r->param('library_chapters', ''); 619 } 620 unshift @chaps, LIB2_DATA->{dbchapter}{all}; 621 622 my @sects = WeBWorK::Utils::ListingDB::getAllDBsections($r); 623 if(! grep { $_ eq $r->param('library_sections') } @sects) { 624 $r->param('library_sections', ''); 625 } 626 unshift @sects, LIB2_DATA->{dbsection}{all}; 627 628 my $texts = WeBWorK::Utils::ListingDB::getDBTextbooks($r); 629 my @textarray = map { $_->[0] } @{$texts}; 630 my %textlabels = (); 631 for my $ta (@{$texts}) { 632 $textlabels{$ta->[0]} = $ta->[1]." by ".$ta->[2]." (edition ".$ta->[3].")"; 633 } 634 if(! grep { $_ eq $r->param('library_textbook') } @textarray) { 635 $r->param('library_textbook', ''); 636 } 637 unshift @textarray, LIB2_DATA->{textbook}{all}; 638 my $atb = LIB2_DATA->{textbook}{all}; $textlabels{$atb} = LIB2_DATA->{textbook}{all}; 639 640 my $textchap_ref = WeBWorK::Utils::ListingDB::getDBTextbooks($r, 'textchapter'); 641 my @textchaps = map { $_->[0] } @{$textchap_ref}; 642 if(! grep { $_ eq $r->param('library_textchapter') } @textchaps) { 643 $r->param('library_textchapter', ''); 644 } 645 unshift @textchaps, LIB2_DATA->{textchapter}{all}; 646 647 my $textsec_ref = WeBWorK::Utils::ListingDB::getDBTextbooks($r, 'textsection'); 648 my @textsecs = map { $_->[0] } @{$textsec_ref}; 649 if(! grep { $_ eq $r->param('library_textsection') } @textsecs) { 650 $r->param('library_textsection', ''); 651 } 652 unshift @textsecs, LIB2_DATA->{textsection}{all}; 653 654 my %selected = (); 655 for my $j (qw( dbsection dbchapter dbsubject textbook textchapter textsection )) { 656 $selected{$j} = $r->param(LIB2_DATA->{$j}{name}) || LIB2_DATA->{$j}{all}; 657 } 658 659 my $text_popup = CGI::popup_menu(-name => 'library_textbook', 660 -values =>\@textarray, 661 -labels => \%textlabels, 662 -default=>$selected{textbook}, 663 -onchange=>"submit();return true"); 664 665 666 my $library_keywords = $r->param('library_keywords') || ''; 667 668 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r); 669 670 my $count_line = WeBWorK::Utils::ListingDB::countDBListings($r); 671 if($count_line==0) { 672 $count_line = "There are no matching pg files"; 673 } else { 674 $count_line = "There are $count_line matching WeBWorK problem files"; 675 } 676 677 print CGI::div({-class=>"InfoPanel", -align=>"left"}, 678 CGI::hidden(-name=>"library_is_basic", -default=>2,-override=>1), 679 # Html done by hand since it is temporary 680 CGI::div({-colspan=>4, -align=>"center"}, 'All Selected Constraints Joined by "And"'), 681 CGI::div(["Subject:", 682 CGI::popup_menu(-name=> 'library_subjects', 683 -values=>\@subjs, 684 -default=> $selected{dbsubject}, 685 -onchange=>"submit();return true" 686 )]), 687 CGI::div({-colspan=>2, -align=>"right"}, 688 CGI::submit(-name=>"lib_select_subject", -value=>"Update Menus", 689 -style=> $right_button_style)), 690 CGI::div(["Chapter:", 691 CGI::popup_menu(-name=> 'library_chapters', 692 -values=>\@chaps, 693 -default=> $selected{dbchapter}, 694 -onchange=>"submit();return true" 695 )]), 696 CGI::div({-colspan=>2, -align=>"right"}, 697 CGI::submit(-name=>"library_reset", -value=>"Reset", 698 -style=>$right_button_style)), 699 CGI::div(["Section:", 700 CGI::popup_menu(-name=> 'library_sections', 701 -values=>\@sects, 702 -default=> $selected{dbsection}, 703 -onchange=>"submit();return true" 704 )]), 705 CGI::div({-colspan=>2, -align=>"right"}, 706 CGI::submit(-name=>"library_basic", -value=>"Basic Search", 707 -style=>$right_button_style)), 708 CGI::div(["Textbook:", $text_popup]), 709 CGI::div(["Text chapter:", 710 CGI::popup_menu(-name=> 'library_textchapter', 711 -values=>\@textchaps, 712 -default=> $selected{textchapter}, 713 -onchange=>"submit();return true" 714 )]), 715 CGI::div(["Text section:", 716 CGI::popup_menu(-name=> 'library_textsection', 717 -values=>\@textsecs, 718 -default=> $selected{textsection}, 719 -onchange=>"submit();return true" 720 )]), 721 CGI::div("Keywords:"),CGI::div({-colspan=>2}, 722 CGI::textfield(-name=>"library_keywords", 723 -default=>$library_keywords, 724 -override=>1, 725 -size=>40)), 726 CGI::div({-colspan=>3}, $view_problem_line), 727 CGI::div({-colspan=>3, -align=>"center"}, $count_line) 728 ); 729 730 } 731 732 733 ##### Version 4 is the set definition file panel 734 735 sub browse_setdef_panel { 736 my $self = shift; 737 my $r = $self->r; 738 my $ce = $r->ce; 739 my $library_selected = shift; 740 my $default_value = "Select a Set Definition File"; 741 # in the following line, the parens after sort are important. if they are 742 # omitted, sort will interpret get_set_defs as the name of the comparison 743 # function, and ($ce->{courseDirs}{templates}) as a single element list to 744 # be sorted. *barf* 745 my @list_of_set_defs = sort(get_set_defs($ce->{courseDirs}{templates})); 746 if(scalar(@list_of_set_defs) == 0) { 747 @list_of_set_defs = (NO_LOCAL_SET_STRING); 748 } elsif (not $library_selected or $library_selected eq $default_value) { 749 unshift @list_of_set_defs, $default_value; 750 $library_selected = $default_value; 751 } 752 my $view_problem_line = view_problems_line('view_setdef_set', 'View Problems', $self->r); 753 my $popupetc = CGI::popup_menu(-name=> 'library_sets', 754 -values=>\@list_of_set_defs, 755 -default=> $library_selected). 756 CGI::br(). $view_problem_line; 757 if($list_of_set_defs[0] eq NO_LOCAL_SET_STRING) { 758 $popupetc = "there are no set definition files in this course to look at." 759 } 760 print CGI::div({-class=>"InfoPanel", -align=>"left"}, "Browse from: ", 761 $popupetc 762 ); 763 } 764 765 sub make_mysets_row { 766 my $self = shift; 767 my $r = $self->r; 768 my $ce = $r->ce; 769 my %data = @_; 770 771 my $list_of_local_sets = $data{all_db_sets}; 772 my $have_local_sets = scalar(@$list_of_local_sets); 773 my $browse_which = 'browse_mysets'; 774 my $library_selected = $self->{current_myset_set}; 775 my $set_selected = $r->param('myset_sets'); 776 my $remember_local_set = $r->param('local_sets'); 777 778 ## Make buttons for additional problem libraries 779 #my $libs = ''; 780 #foreach my $lib (sort(keys(%problib))) { 781 # $libs .= ' '. CGI::submit(-name=>"browse_$lib", -value=>$problib{$lib}, 782 # ($browse_which eq "browse_$lib")? (-disabled=>1): ()) 783 # if (-d "$ce->{courseDirs}{templates}/$lib"); 784 #} 785 #$libs = CGI::br()."or Problems from".$libs if $libs ne ''; 786 787 my $these_widths = "width: 25ex"; 788 789 if($have_local_sets ==0) { 790 $list_of_local_sets = [NO_LOCAL_SET_STRING]; 791 } elsif (not defined($set_selected) or $set_selected eq "" 792 or $set_selected eq SELECT_SET_STRING) { 793 unshift @{$list_of_local_sets}, SELECT_SET_STRING; 794 $set_selected = SELECT_SET_STRING; 795 } 796 my $myjs = 'document.mainform.selfassign.value=confirm("Should I assign the new set to you now?\nUse OK for yes and Cancel for no.");true;'; 797 ## edited this, as a demo for the current set problem list 798 print CGI::div({-class=>"InfoPanel"}, 799 CGI::submit(-name=>"new_local_set", -value=>"Create a New Set in This Course:", 800 -onclick=>$myjs 801 ), 802 " ", 803 CGI::textfield(-name=>"new_set_name", 804 -default=>"Name for new set here", 805 -override=>1, -size=>30), 806 ); 807 # Tidy this list up since it is used in two different places 808 if ($list_of_local_sets->[0] eq SELECT_SET_STRING) { 809 shift @{$list_of_local_sets}; 810 } 811 812 #print CGI::div(CGI::div({-bgcolor=>"black"})); 813 #print CGI::hr(); 814 815 $self->browse_mysets_panel($library_selected, $list_of_local_sets, $remember_local_set); 816 } 817 818 sub make_top_row { 819 my $self = shift; 820 my $r = $self->r; 821 my $ce = $r->ce; 822 my %data = @_; 823 824 my $list_of_local_sets = $data{all_db_sets}; 825 my $have_local_sets = scalar(@$list_of_local_sets); 826 my $browse_which = $data{browse_which}; 827 my $library_selected = $self->{current_library_set}; 828 my $set_selected = $r->param('local_sets'); 829 my (@dis1, @dis2, @dis3, @dis4) = (); 830 @dis1 = (-disabled=>1) if($browse_which eq 'browse_npl_library'); 831 @dis2 = (-disabled=>1) if($browse_which eq 'browse_local'); 832 @dis3 = (-disabled=>1) if($browse_which eq 'edit_mysets'); 833 @dis4 = (-disabled=>1) if($browse_which eq 'browse_setdefs'); 834 835 ## Make buttons for additional problem libraries 836 my $libs = ''; 837 foreach my $lib (sort(keys(%problib))) { 838 $libs .= ' '. CGI::submit(-name=>"browse_$lib", -value=>$problib{$lib}, 839 ($browse_which eq "browse_$lib")? (-disabled=>1): ()) 840 if (-d "$ce->{courseDirs}{templates}/$lib"); 841 } 842 $libs = CGI::br()."or Problems from".$libs if $libs ne ''; 843 844 my $these_widths = "width: 25ex"; 845 846 if($have_local_sets ==0) { 847 $list_of_local_sets = [NO_LOCAL_SET_STRING]; 848 } elsif (not defined($set_selected) or $set_selected eq "" 849 or $set_selected eq SELECT_SET_STRING) { 850 unshift @{$list_of_local_sets}, SELECT_SET_STRING; 851 $set_selected = SELECT_SET_STRING; 852 } 853 854 # Tidy this list up since it is used in two different places 855 if ($list_of_local_sets->[0] eq SELECT_SET_STRING) { 856 shift @{$list_of_local_sets}; 857 } 858 859 print CGI::div({-class=>"InfoPanel"}, 860 "Browse ", 861 CGI::submit(-name=>"browse_npl_library", -value=>"National Problem Library", -style=>$these_widths, @dis1), 862 CGI::submit(-name=>"browse_local", -value=>"Local Problems", -style=>$these_widths, @dis2), 863 CGI::submit(-name=>"edit_mysets", -value=>"From This Course", -style=>$these_widths, @dis3), 864 CGI::submit(-name=>"browse_setdefs", -value=>"Set Definition Files", -style=>$these_widths, @dis4), 865 $libs, 866 ); 867 868 if ($browse_which eq 'browse_local') { 869 $self->browse_local_panel($library_selected); 870 } elsif ($browse_which eq 'edit_mysets') { 871 $self->edit_mysets_panel($library_selected, $list_of_local_sets); 872 } elsif ($browse_which eq 'browse_npl_library') { 873 $self->browse_library_panel(); 874 } elsif ($browse_which eq 'browse_setdefs') { 875 $self->browse_setdef_panel($library_selected); 876 } else { ## handle other problem libraries 877 $self->browse_local_panel($library_selected,$browse_which); 878 } 879 880 print CGI::div({-class=>"InfoPanel"}, 881 CGI::submit(-name=>"select_all", -style=>$these_widths, 882 -value=>"Mark All For Adding"), 883 CGI::submit(-name=>"select_none", -style=>$these_widths, 884 -value=>"Clear All Marks"), 885 ), 886 CGI::div({}, 887 CGI::submit(-name=>"rerandomize", 888 -style=>$these_widths, 889 -value=>"Rerandomize"), 890 CGI::submit(-name=>"cleardisplay", 891 -style=>$these_widths, 892 -value=>"Clear Problem Display") 893 ); 894 } 895 896 sub make_data_row { 897 my $self = shift; 898 my $sourceFileName = shift; 899 my $pg = shift; 900 my $cnt = shift; 901 my $mark = shift || 0; 902 903 $sourceFileName =~ s|^./||; # clean up top ugliness 904 905 my $urlpath = $self->r->urlpath; 906 my $db = $self->r->db; 907 908 ## to set up edit and try links elegantly we want to know if 909 ## any target set is a gateway assignment or not 910 my $localSet = $self->r->param('local_sets'); 911 my $setRecord; 912 if ( defined($localSet) && $localSet ne SELECT_SET_STRING && 913 $localSet ne NO_LOCAL_SET_STRING ) { 914 $setRecord = $db->getGlobalSet( $localSet ); 915 } 916 my $isGatewaySet = ( defined($setRecord) && 917 $setRecord->assignment_type =~ /gateway/ ); 918 919 my $problem_output = $pg->{flags}->{error_flag} ? 920 CGI::div({class=>"ResultsWithError"}, CGI::em("This problem produced an error")) 921 : CGI::div({class=>"RenderSolo"}, $pg->{body_text}); 922 $problem_output .= $pg->{flags}->{comment} if($pg->{flags}->{comment}); 923 924 925 #if($self->{r}->param('browse_which') ne 'browse_npl_library') { 926 my $problem_seed = $self->{'problem_seed'} || 1234; 927 my $edit_link = CGI::a({href=>$self->systemLink( 928 $urlpath->newFromModule("WeBWorK::ContentGenerator::Instructor::PGProblemEditor", 929 courseID =>$urlpath->arg("courseID"), 930 setID=>"Undefined_Set", 931 problemID=>"1"), 932 params=>{sourceFilePath => "$sourceFileName", problemSeed=> $problem_seed} 933 ), target=>"WW_Editor"}, "Edit it" ); 934 935 my $displayMode = $self->r->param("mydisplayMode"); 936 $displayMode = $self->r->ce->{pg}->{options}->{displayMode} 937 if not defined $displayMode or $displayMode eq "None"; 938 my $module = ( $isGatewaySet ) ? "GatewayQuiz" : "Problem"; 939 my %pathArgs = ( courseID =>$urlpath->arg("courseID"), 940 setID=>"Undefined_Set" ); 941 $pathArgs{problemID} = "1" if ( ! $isGatewaySet ); 942 943 my $try_link = CGI::a({href=>$self->systemLink( 944 $urlpath->newFromModule("WeBWorK::ContentGenerator::$module", 945 %pathArgs ), 946 params =>{ 947 effectiveUser => scalar($self->r->param('user')), 948 editMode => "SetMaker", 949 problemSeed=> $problem_seed, 950 sourceFilePath => "$sourceFileName", 951 displayMode => $displayMode, 952 } 953 ), target=>"WW_View"}, "Try it"); 954 955 my %add_box_data = ( -id=>"trial$cnt" ,-name=>"trial$cnt",-value=>1,-label=>"Add this problem to the target set on the next update"); 956 #allow for a move command from one problem set to anoter 957 my $move_box_data; 958 if($self->r->param('edit_mysets_set')){ 959 $move_box_data = CGI::checkbox( -id=>"moved$cnt" ,-name=>"moved$cnt",-value=>1,,-override=>1,-label=>"Move this problem from this set to the target set on the next update"); 960 } 961 else{ 962 $move_box_data = ""; 963 } 964 if($mark & SUCCESS) { 965 $add_box_data{ -label } .= " (just added this problem)"; 966 } elsif($mark & ADDED) { 967 $add_box_data{ -checked } = 1; 968 } 969 970 if(!($self->{isInSet}{$sourceFileName})){ 971 972 print CGI::div({-class=>"problem libraryProblem", -align=>"left", -draggable=>"true", -href=>"#", -id=>"$cnt"}, 973 CGI::p({},"File name: $sourceFileName "), 974 CGI::p({}, $edit_link, " ", $try_link), 975 CGI::p(CGI::checkbox(-id=>"hideme$cnt", -name=>"hideme$cnt",-value=>1,-label=>"Don't show this problem on the next update",-override=>1)), 976 CGI::p(CGI::checkbox((%add_box_data),-override=>1)), 977 CGI::p($move_box_data), 978 CGI::hidden(-name=>"filetrial$cnt", -default=>$sourceFileName,-override=>1). 979 CGI::p($problem_output) 980 ); 981 } 982 else{ 983 print CGI::div({-class=>"problem libraryProblem used", -align=>"left", -draggable=>"true", -href=>"#", -id=>"$cnt"}, 984 CGI::p({},"File name: $sourceFileName "), 985 CGI::p({}, $edit_link, " ", $try_link), 986 CGI::p(CGI::checkbox(-id=>"hideme$cnt", -name=>"hideme$cnt",-value=>1,-label=>"Don't show this problem on the next update",-override=>1)), 987 CGI::p(CGI::checkbox((%add_box_data),-override=>1)), 988 CGI::p($move_box_data), 989 CGI::hidden(-name=>"filetrial$cnt", -default=>$sourceFileName,-override=>1). 990 CGI::p($problem_output), 991 CGI::b("(This problem is in the target set)") 992 ); 993 } 994 } 995 996 sub make_myset_data_row { 997 my $self = shift; 998 my $sourceFileName = shift; 999 my $pg = shift; 1000 my $cnt = shift; 1001 my $mark = shift || 0; 1002 1003 $sourceFileName =~ s|^./||; # clean up top ugliness 1004 1005 my $urlpath = $self->r->urlpath; 1006 my $db = $self->r->db; 1007 1008 ## to set up edit and try links elegantly we want to know if 1009 ## any target set is a gateway assignment or not 1010 my $localSet = $self->r->param('local_sets'); 1011 my $setRecord; 1012 if ( defined($localSet) && $localSet ne SELECT_SET_STRING && 1013 $localSet ne NO_LOCAL_SET_STRING ) { 1014 $setRecord = $db->getGlobalSet( $localSet ); 1015 } 1016 my $isGatewaySet = ( defined($setRecord) && 1017 $setRecord->assignment_type =~ /gateway/ ); 1018 1019 my $problem_output = $pg->{flags}->{error_flag} ? 1020 CGI::div({class=>"ResultsWithError"}, CGI::em("This problem produced an error")) 1021 : CGI::div({class=>"RenderSolo"}, $pg->{body_text}); 1022 $problem_output .= $pg->{flags}->{comment} if($pg->{flags}->{comment}); 1023 1024 1025 #if($self->{r}->param('browse_which') ne 'browse_npl_library') { 1026 my $problem_seed = $self->{'problem_seed'} || 1234; 1027 my $edit_link = CGI::a({href=>$self->systemLink( 1028 $urlpath->newFromModule("WeBWorK::ContentGenerator::Instructor::PGProblemEditor", 1029 courseID =>$urlpath->arg("courseID"), 1030 setID=>"Undefined_Set", 1031 problemID=>"1"), 1032 params=>{sourceFilePath => "$sourceFileName", problemSeed=> $problem_seed} 1033 ), target=>"WW_Editor"}, "Edit it" ); 1034 1035 my %delete_box_data = ( -id=>"deleted$cnt".'myset' ,-name=>"deleted$cnt",-value=>1,-label=>"Delete this problem from the target set on the next update"); 1036 1037 my $displayMode = $self->r->param("mydisplayMode"); 1038 $displayMode = $self->r->ce->{pg}->{options}->{displayMode} 1039 if not defined $displayMode or $displayMode eq "None"; 1040 my $module = ( $isGatewaySet ) ? "GatewayQuiz" : "Problem"; 1041 my %pathArgs = ( courseID =>$urlpath->arg("courseID"), 1042 setID=>"Undefined_Set" ); 1043 $pathArgs{problemID} = "1" if ( ! $isGatewaySet ); 1044 1045 my $try_link = CGI::a({href=>$self->systemLink( 1046 $urlpath->newFromModule("WeBWorK::ContentGenerator::$module", 1047 %pathArgs ), 1048 params =>{ 1049 effectiveUser => scalar($self->r->param('user')), 1050 editMode => "SetMaker", 1051 problemSeed=> $problem_seed, 1052 sourceFilePath => "$sourceFileName", 1053 displayMode => $displayMode, 1054 } 1055 ), target=>"WW_View"}, "Try it"); 1056 1057 print CGI::div({-class=>"problem myProblem", -draggable=>"true", -href=>"#", -id=>("$cnt".'myset')}, 1058 CGI::p({},"File name: $sourceFileName "), 1059 CGI::p({}, $edit_link, " ", $try_link), 1060 CGI::p(CGI::checkbox((%delete_box_data),-override=>1)), 1061 CGI::hidden(-name=>"mysetfiletrial$cnt", -default=>$sourceFileName,-override=>1). 1062 CGI::p($problem_output), 1063 ); 1064 } 1065 1066 sub clear_default { 1067 my $r = shift; 1068 my $param = shift; 1069 my $default = shift; 1070 my $newvalue = $r->param($param) || ''; 1071 $newvalue = '' if($newvalue eq $default); 1072 $r->param($param, $newvalue); 1073 } 1074 1075 sub pre_header_initialize { 1076 my ($self) = @_; 1077 my $r = $self->r; 1078 ## For all cases, lets set some things 1079 $self->{error}=0; 1080 my $ce = $r->ce; 1081 my $db = $r->db; 1082 my $maxShown = $r->param('max_shown') || MAX_SHOW_DEFAULT; 1083 $maxShown = 10000000 if($maxShown eq 'All'); # let's hope there aren't more 1084 my $library_basic = $r->param('library_is_basic') || 1; 1085 $self->{problem_seed} = $r->param('problem_seed') || 1234; 1086 ## Fix some parameters 1087 for my $key (keys(%{ LIB2_DATA() })) { 1088 clear_default($r, LIB2_DATA->{$key}->{name}, LIB2_DATA->{$key}->{all} ); 1089 } 1090 ## Grab library sets to display from parameters list. We will modify this 1091 ## as we go through the if/else tree 1092 $self->{current_library_set} = $r->param('library_sets'); 1093 $self->{current_myset_set} = $r->param('myset_sets'); 1094 if (not defined($self->{current_myset_set}) 1095 or $self->{current_myset_set} eq "Select a Homework Set" 1096 or $self->{current_myset_set} eq NO_LOCAL_SET_STRING) { 1097 my @all_db_sets = $db->listGlobalSets; 1098 @all_db_sets = sortByName(undef, @all_db_sets); 1099 $self->{current_myset_set} = shift(@all_db_sets); 1100 } 1101 1102 ## These directories will have individual buttons 1103 %problib = %{$ce->{courseFiles}{problibs}} if $ce->{courseFiles}{problibs}; 1104 1105 my $userName = $r->param('user'); 1106 my $user = $db->getUser($userName); # checked 1107 die "record for user $userName (real user) does not exist." 1108 unless defined $user; 1109 my $authz = $r->authz; 1110 unless ($authz->hasPermissions($userName, "modify_problem_sets")) { 1111 return(""); # Error message already produced in the body 1112 } 1113 1114 ## Now one action we have to deal with here 1115 if ($r->param('edit_local')) { 1116 my $urlpath = $r->urlpath; 1117 my $db = $r->db; 1118 my $checkset = $db->getGlobalSet($r->param('local_sets')); 1119 if (not defined($checkset)) { 1120 $self->{error} = 1; 1121 $self->addbadmessage('You need to select a "Target Set" before you can edit it.'); 1122 } else { 1123 my $page = $urlpath->newFromModule('WeBWorK::ContentGenerator::Instructor::ProblemSetDetail', setID=>$r->param('local_sets'), courseID=>$urlpath->arg("courseID")); 1124 my $url = $self->systemLink($page); 1125 $self->reply_with_redirect($url); 1126 } 1127 } 1128 1129 ## Next, lots of set up so that errors can be reported with message() 1130 1131 ############# List of problems we have already printed 1132 1133 $self->{past_problems} = get_past_problem_files($r); 1134 # if we don't end up reusing problems, this will be wiped out 1135 # if we do redisplay the same problems, we must adjust this accordingly 1136 my @past_marks = map {$_->[1]} @{$self->{past_problems}}; 1137 my $none_shown = scalar(@{$self->{past_problems}})==0; 1138 my @pg_files=(); 1139 my @myset_files=(); 1140 my $use_previous_problems = 1; 1141 my $first_shown = $r->param('first_shown') || 0; 1142 my $last_shown = $r->param('last_shown'); 1143 if (not defined($last_shown)) { 1144 $last_shown = -1; 1145 } 1146 my @all_past_list = (); # these are include requested, but not shown 1147 my $j = 0; 1148 while (defined($r->param("all_past_list$j"))) { 1149 push @all_past_list, $r->param("all_past_list$j"); 1150 $j++; 1151 } 1152 1153 ############# Default of which problem selector to display 1154 1155 my $browse_which = $r->param('browse_which') || 'browse_npl_library'; 1156 1157 1158 1159 ## check for problem lib buttons 1160 my $browse_lib = ''; 1161 foreach my $lib (keys %problib) { 1162 if ($r->param("browse_$lib")) { 1163 $browse_lib = "browse_$lib"; 1164 last; 1165 } 1166 } 1167 1168 1169 ########### Start the logic through if elsif elsif ... 1170 debug("browse_lib", $r->param("$browse_lib")); 1171 debug("browse_npl_library", $r->param("browse_npl_library")); 1172 debug("edit_mysets", $r->param("edit_mysets")); 1173 debug("browse_setdefs", $r->param("browse_setdefs")); 1174 ##### Asked to browse certain problems 1175 if ($browse_lib ne '') { 1176 $browse_which = $browse_lib; 1177 $self->{current_library_set} = ""; 1178 $use_previous_problems = 0; @pg_files = (); ## clear old problems 1179 } elsif ($r->param('browse_npl_library')) { 1180 $browse_which = 'browse_npl_library'; 1181 $self->{current_library_set} = ""; 1182 $use_previous_problems = 0; @pg_files = (); ## clear old problems 1183 } elsif ($r->param('browse_local')) { 1184 $browse_which = 'browse_local'; 1185 #$self->{current_library_set} = ""; 1186 $use_previous_problems = 0; @pg_files = (); ## clear old problems 1187 } elsif ($r->param('edit_mysets')) { 1188 $browse_which = 'edit_mysets'; 1189 $self->{current_library_set} = ""; 1190 $use_previous_problems = 0; @pg_files = (); ## clear old problems 1191 } elsif ($r->param('browse_setdefs')) { 1192 $browse_which = 'browse_setdefs'; 1193 $self->{current_library_set} = ""; 1194 $use_previous_problems = 0; @pg_files = (); ## clear old problems 1195 1196 ##### Change the seed value 1197 1198 } elsif ($r->param('rerandomize')) { 1199 $self->{problem_seed}= 1+$self->{problem_seed}; 1200 #$r->param('problem_seed', $problem_seed); 1201 $self->addbadmessage('Changing the problem seed for display, but there are no problems showing.') if $none_shown; 1202 1203 ##### Clear the display 1204 1205 } elsif ($r->param('cleardisplay')) { 1206 @pg_files = (); 1207 $use_previous_problems=0; 1208 $self->addbadmessage('The display was already cleared.') if $none_shown; 1209 1210 ##### View problems selected from the local list 1211 1212 } elsif ($r->param('view_local_set')) { 1213 1214 my $set_to_display = $self->{current_library_set}; 1215 if (not defined($set_to_display) or $set_to_display eq SELECT_LOCAL_STRING or $set_to_display eq "Found no directories containing problems") { 1216 $self->addbadmessage('You need to select a set to view.'); 1217 } else { 1218 $set_to_display = '.' if $set_to_display eq MY_PROBLEMS; 1219 $set_to_display = substr($browse_which,7) if $set_to_display eq MAIN_PROBLEMS; 1220 @pg_files = list_pg_files($ce->{courseDirs}->{templates}, 1221 "$set_to_display"); 1222 $use_previous_problems=0; 1223 } 1224 1225 ##### View problems selected from the a set in this course 1226 } elsif ($r->param('edit_mysets_set')){ 1227 1228 my $set_to_display = $self->{current_library_set}; 1229 debug("set_to_display is $set_to_display"); 1230 if (not defined($set_to_display) 1231 or $set_to_display eq "Select a Homework Set" 1232 or $set_to_display eq NO_LOCAL_SET_STRING) { 1233 $self->addbadmessage("You need to select a set from this course to view."); 1234 } else { 1235 # DBFIXME don't use ID list, use an iterator 1236 my @problemList = $db->listGlobalProblems($set_to_display); 1237 my $problem; 1238 @pg_files=(); 1239 for $problem (@problemList) { 1240 my $problemRecord = $db->getGlobalProblem($set_to_display, $problem); # checked 1241 die "global $problem for set $set_to_display not found." unless 1242 $problemRecord; 1243 push @pg_files, $problemRecord->source_file; 1244 1245 } 1246 @pg_files = sortByName(undef,@pg_files); 1247 $use_previous_problems=0; 1248 } 1249 1250 ##### View from the library database 1251 1252 } elsif ($r->param('lib_view')) { 1253 @pg_files=(); 1254 my @dbsearch = WeBWorK::Utils::ListingDB::getSectionListings($r); 1255 my ($result, $tolibpath); 1256 for $result (@dbsearch) { 1257 $tolibpath = "Library/$result->{path}/$result->{filename}"; 1258 1259 ## Too clunky!!!! 1260 push @pg_files, $tolibpath; 1261 } 1262 $use_previous_problems=0; 1263 1264 ##### View a set from a set*.def 1265 1266 } elsif ($r->param('view_setdef_set')) { 1267 1268 my $set_to_display = $self->{current_library_set}; 1269 debug("set_to_display is $set_to_display"); 1270 if (not defined($set_to_display) 1271 or $set_to_display eq "Select a Set Definition File" 1272 or $set_to_display eq NO_LOCAL_SET_STRING) { 1273 $self->addbadmessage("You need to select a set definition file to view."); 1274 } else { 1275 @pg_files= $self->read_set_def($set_to_display); 1276 } 1277 $use_previous_problems=0; 1278 1279 ##### Edit the current local homework set 1280 1281 } elsif ($r->param('edit_local')) { ## Jump to set edit page 1282 1283 ; # already handled 1284 1285 1286 ##### Make a new local homework set 1287 1288 } elsif ($r->param('new_local_set')) { 1289 if ($r->param('new_set_name') !~ /^[\w .-]*$/) { 1290 $self->addbadmessage("The name ".$r->param('new_set_name')." is not a valid set name. Use only letters, digits, -, _, and ."); 1291 } else { 1292 my $newSetName = $r->param('new_set_name'); 1293 # if we want to munge the input set name, do it here 1294 $newSetName =~ s/\s/_/g; 1295 debug("local_sets was ", $r->param('local_sets')); 1296 $r->param('local_sets',$newSetName); ## use of two parameter param 1297 debug("new value of local_sets is ", $r->param('local_sets')); 1298 my $newSetRecord = $db->getGlobalSet($newSetName); 1299 if (defined($newSetRecord)) { 1300 $self->addbadmessage("The set name $newSetName is already in use. 1301 Pick a different name if you would like to start a new set."); 1302 } else { # Do it! 1303 # DBFIXME use $db->newGlobalSet 1304 $newSetRecord = $db->{set}->{record}->new(); 1305 $newSetRecord->set_id($newSetName); 1306 $newSetRecord->set_header(""); 1307 $newSetRecord->hardcopy_header(""); 1308 $newSetRecord->open_date(time()+60*60*24*7); # in one week 1309 $newSetRecord->due_date(time()+60*60*24*7*2); # in two weeks 1310 $newSetRecord->answer_date(time()+60*60*24*7*3); # in three weeks 1311 eval {$db->addGlobalSet($newSetRecord)}; 1312 if ($@) { 1313 $self->addbadmessage("Problem creating set $newSetName<br> $@"); 1314 } else { 1315 $self->addgoodmessage("Set $newSetName has been created."); 1316 my $selfassign = $r->param('selfassign') || ""; 1317 $selfassign = "" if($selfassign =~ /false/i); # deal with javascript false 1318 if($selfassign) { 1319 $self->assignSetToUser($userName, $newSetRecord); 1320 $self->addgoodmessage("Set $newSetName was assigned to $userName."); 1321 } 1322 } 1323 } 1324 } 1325 1326 ##### Add selected problems to the current local set 1327 1328 } elsif ($r->param('update')) { 1329 ## first handle problems to be added before we hide them 1330 my($localSet, @selected); 1331 1332 my @add_pg_files = grep {(($_->[1] & ADDED)) != 0 } @{$self->{past_problems}}; 1333 my @add_selected = map {$_->[0]} @add_pg_files; 1334 1335 my @delete_pg_files = grep {(($_->[1] & DELETED)) != 0} @{$self->{past_problems}}; 1336 my @delete_selected = map {$_->[0]} @delete_pg_files; 1337 1338 my @move_pg_files = grep {(($_->[1] & MOVED)) != 0} @{$self->{past_problems}}; 1339 my @move_selected = map {$_->[0]} @move_pg_files; 1340 1341 my @action_files = grep {$_->[1] > 0 } @{$self->{past_problems}}; 1342 # There are now good reasons to do an update without selecting anything. 1343 #if(scalar(@action_files) == 0) { 1344 # $self->addbadmessage('Update requested, but no problems were marked.'); 1345 #} 1346 1347 if (scalar(@add_selected)>0) { # if some are to be added, they need a place to go 1348 $localSet = $r->param('myset_sets'); 1349 if (not defined($localSet) or 1350 $localSet eq SELECT_SET_STRING or 1351 $localSet eq NO_LOCAL_SET_STRING) { 1352 $self->addbadmessage('You are trying to add problems to something, 1353 but you did not select a "Target Set" name as a target.'); 1354 } else { 1355 my $newSetRecord = $db->getGlobalSet($localSet); 1356 if (not defined($newSetRecord)) { 1357 $self->addbadmessage("You are trying to add problems to $localSet, 1358 but that set does not seem to exist! I bet you used your \"Back\" button."); 1359 } else { 1360 my $addcount = add_selected($self, $db, $localSet); 1361 if($addcount > 0) { 1362 $self->addgoodmessage("Added $addcount problem".(($addcount>1)?'s':''). 1363 " to $localSet."); 1364 } 1365 } 1366 } 1367 } 1368 if (scalar(@delete_selected)>0) { # if some are to be added, they need a place to go 1369 $localSet = $r->param('myset_sets'); 1370 if (not defined($localSet) or 1371 $localSet eq SELECT_SET_STRING or 1372 $localSet eq NO_LOCAL_SET_STRING) { 1373 $self->addbadmessage('You are trying to add problems to something, 1374 but you did not select a "Target Set" name as a target.'); 1375 } else { 1376 my $newSetRecord = $db->getGlobalSet($localSet); 1377 if (not defined($newSetRecord)) { 1378 $self->addbadmessage("You are trying to delete problems to $localSet, 1379 but that set does not seem to exist! I bet you used your \"Back\" button."); 1380 } else { 1381 my $deletecount = delete_selected($self, $db, $localSet); 1382 if($deletecount > 0) { 1383 $self->addgoodmessage("Deleted $deletecount problem".(($deletecount>1)?'s':''). 1384 " to $localSet."); 1385 } 1386 } 1387 } 1388 } 1389 if (scalar(@move_selected)>0) { # if some are to be added, they need a place to go 1390 $localSet = $r->param('myset_sets'); 1391 my $otherSet = $self->{current_library_set}; 1392 if (not defined($localSet) or not defined($otherSet) or 1393 $localSet eq SELECT_SET_STRING or 1394 $localSet eq NO_LOCAL_SET_STRING) { 1395 $self->addbadmessage('You are trying to add problems to something, 1396 but you did not select a "Target Set" name as a target.'); 1397 } else { 1398 my $newSetRecord = $db->getGlobalSet($localSet); 1399 my $otherNewSetRecord = $db->getGlobalSet($otherSet); 1400 if (not defined($newSetRecord) or not defined($otherNewSetRecord)) { 1401 $self->addbadmessage("You are trying to move problems from $otherNewSetRecord to $localSet, 1402 but that set does not seem to exist! I bet you used your \"Back\" button."); 1403 } else { 1404 my $addcount = add_selected($self, $db, $localSet); 1405 my $deletecount = delete_selected($self, $db, $otherSet); 1406 if($addcount > 0 && $deletecount > 0) { 1407 $self->addgoodmessage("Moved $addcount problem".(($addcount>1)?'s':''). 1408 " from $otherSet to $localSet."); 1409 } 1410 } 1411 } 1412 } 1413 ## now handle problems to be hidden 1414 1415 ## only keep the ones which are not hidden 1416 @pg_files = grep {($_->[1] & HIDDEN) ==0 } @{$self->{past_problems}}; 1417 @pg_files = grep {(($_->[1] & DELETED)) != 0 } @pg_files; 1418 @past_marks = map {$_->[1]} @pg_files; 1419 @pg_files = map {$_->[0]} @pg_files; 1420 @all_past_list = (@all_past_list[0..($first_shown-1)], 1421 @pg_files, 1422 @all_past_list[($last_shown+1)..(scalar(@all_past_list)-1)]); 1423 $last_shown = $first_shown+$maxShown -1; debug("last_shown 3: ", $last_shown); 1424 $last_shown = (scalar(@all_past_list)-1) if($last_shown>=scalar(@all_past_list)); debug("last_shown 4: ", $last_shown); 1425 1426 } elsif ($r->param('next_page')) { 1427 $first_shown = $last_shown+1; 1428 $last_shown = $first_shown+$maxShown-1; debug("last_shown 5: ", $last_shown); 1429 $last_shown = (scalar(@all_past_list)-1) if($last_shown>=scalar(@all_past_list)); debug("last_shown 6: ", $last_shown); 1430 @past_marks = (); 1431 } elsif ($r->param('prev_page')) { 1432 $last_shown = $first_shown-1; 1433 $first_shown = $last_shown - $maxShown+1; 1434 1435 $first_shown = 0 if($first_shown<0); 1436 @past_marks = (); 1437 1438 } elsif ($r->param('select_all')) { 1439 @past_marks = map {1} @past_marks; 1440 } elsif ($r->param('library_basic')) { 1441 $library_basic = 1; 1442 for my $jj (qw(textchapter textsection textbook)) { 1443 $r->param('library_'.$jj,''); 1444 } 1445 } elsif ($r->param('library_advanced')) { 1446 $library_basic = 2; 1447 } elsif ($r->param('library_reset')) { 1448 for my $jj (qw(chapters sections subjects textbook keywords)) { 1449 $r->param('library_'.$jj,''); 1450 } 1451 } elsif ($r->param('select_none')) { 1452 @past_marks = (); 1453 } else { 1454 #nothing 1455 } ##### end of the if elsif ... 1456 1457 my $default_set = $self->{current_myset_set}; 1458 #debug("set_to_display is $default_set"); 1459 if (not defined($default_set) 1460 or $default_set eq "Select a Homework Set" 1461 or $default_set eq NO_LOCAL_SET_STRING) { 1462 $self->addbadmessage("You need to select a set from this course to view."); 1463 } else { 1464 # DBFIXME don't use ID list, use an iterator 1465 my @problemList = $db->listGlobalProblems($default_set); 1466 my $problem; 1467 @myset_files=(); 1468 for $problem (@problemList) { 1469 my $problemRecord = $db->getGlobalProblem($default_set, $problem); # checked 1470 die "global $problem for set $default_set not found." unless 1471 $problemRecord; 1472 push @myset_files, $problemRecord->source_file; 1473 1474 } 1475 @myset_files = sortByName(undef,@myset_files); 1476 $use_previous_problems=0; 1477 } 1478 1479 ############# List of local sets 1480 1481 # DBFIXME sorting in database, please! 1482 my @all_db_sets = $db->listGlobalSets; 1483 @all_db_sets = sortByName(undef, @all_db_sets); 1484 1485 if ($use_previous_problems) { 1486 @pg_files = @all_past_list; 1487 } else { 1488 $first_shown = 0; 1489 $last_shown = scalar(@pg_files)<$maxShown ? scalar(@pg_files) : $maxShown; 1490 $last_shown--; # to make it an array index 1491 @past_marks = (); 1492 } 1493 ############# Now store data in self for retreival by body 1494 $self->{first_shown} = $first_shown; 1495 $self->{last_shown} = $last_shown; 1496 $self->{browse_which} = $browse_which; 1497 #$self->{problem_seed} = $problem_seed; 1498 $self->{pg_files} = \@pg_files; 1499 $self->{myset_files} = \@myset_files; 1500 $self->{past_marks} = \@past_marks; 1501 $self->{all_db_sets} = \@all_db_sets; 1502 $self->{library_basic} = $library_basic; 1503 debug("past_marks is ", join(" ", @{$self->{past_marks}})); 1504 } 1505 1506 1507 sub title { 1508 return "Library Browser v2"; 1509 } 1510 1511 # hide view options panel since it distracts from SetMaker's built-in view options 1512 sub options { 1513 return ""; 1514 } 1515 1516 sub head { 1517 print '<script src="/webwork2_files/js/dnd.js"></script>'; 1518 print '<script src="/webwork2_files/js/problem_grid.js"></script>'; 1519 print '<link rel="stylesheet" type="text/css" href="/webwork2_files/css/setmaker2.css" />'; 1520 print '<script>window.addEventListener("load", setup, false);</script>'; 1521 return ""; 1522 } 1523 1524 sub body { 1525 my ($self) = @_; 1526 1527 my $r = $self->r; 1528 my $ce = $r->ce; # course environment 1529 my $db = $r->db; # database 1530 my $j; # garden variety counter 1531 1532 my $userName = $r->param('user'); 1533 1534 my $user = $db->getUser($userName); # checked 1535 die "record for user $userName (real user) does not exist." 1536 unless defined $user; 1537 1538 ### Check that this is a professor 1539 my $authz = $r->authz; 1540 unless ($authz->hasPermissions($userName, "modify_problem_sets")) { 1541 print "User $userName returned " . 1542 $authz->hasPermissions($user, "modify_problem_sets") . 1543 " for permission"; 1544 return(CGI::div({class=>'ResultsWithError'}, 1545 CGI::em("You are not authorized to access the Instructor tools."))); 1546 } 1547 1548 my $showHints = $r->param('showHints'); 1549 my $showSolutions = $r->param('showSolutions'); 1550 1551 ########## Extract information computed in pre_header_initialize 1552 1553 my $first_shown = $self->{first_shown}; 1554 my $last_shown = $self->{last_shown}; 1555 my $browse_which = $self->{browse_which}; 1556 my $problem_seed = $self->{problem_seed}||1234; 1557 my @pg_files = @{$self->{pg_files}}; 1558 my @myset_files =@{$self->{myset_files}}; 1559 my @all_db_sets = @{$self->{all_db_sets}}; 1560 1561 my @pg_html; 1562 if ($last_shown >= $first_shown) { 1563 @pg_html = renderProblems( 1564 r=> $r, 1565 user => $user, 1566 problem_list => [@pg_files[$first_shown..$last_shown]], 1567 displayMode => 'images', 1568 showHints => $showHints, 1569 showSolutions => $showSolutions, 1570 ); 1571 } 1572 my @myset_html; 1573 my $displayModePlaceholder; 1574 if (not defined($r->param('mydisplayMode'))){ 1575 $displayModePlaceholder = "None"; 1576 } 1577 else{ 1578 $displayModePlaceholder = $r->param('mydisplayMode'); 1579 } 1580 if (scalar(@myset_files) >= $first_shown) { 1581 @myset_html = renderProblems( 1582 r=> $r, 1583 user => $user, 1584 problem_list => [@myset_files[$first_shown..(scalar(@myset_files)-1)]], 1585 displayMode => 'images', 1586 showHints => $showHints, 1587 showSolutions => $showSolutions, 1588 ); 1589 } 1590 1591 my %isInSet; 1592 my $setName = $r->param("myset_sets"); 1593 if ($setName) { 1594 # DBFIXME where clause, iterator 1595 # DBFIXME maybe instead of hashing here, query when checking source files? 1596 # DBFIXME definitely don't need to be making full record objects 1597 # DBFIXME SELECT source_file FROM whatever_problem WHERE set_id=? GROUP BY source_file ORDER BY NULL; 1598 # DBFIXME (and stick result directly into hash) 1599 foreach my $problem ($db->listGlobalProblems($setName)) { 1600 my $problemRecord = $db->getGlobalProblem($setName, $problem); 1601 $isInSet{$problemRecord->source_file} = 1; 1602 } 1603 } 1604 $self->{isInSet} = \%isInSet; 1605 my $jj; 1606 ########## Top part 1607 print '<button id="gridifyButton" onclick="gridify();">Gridify!!</button>'; 1608 print '<div id="editor-form">'; 1609 print CGI::start_form({-method=>"POST", -action=>$r->uri, -name=>'mainform'}), 1610 $self->hidden_authen_fields; 1611 print '<div id="control_panel">'; 1612 print '<div id="myset_control" class="mysets control">'; 1613 $self->make_mysets_row('all_db_sets'=>\@all_db_sets); 1614 print '</div>'; 1615 print '<div id="library_control" class="setmaker_library control">'; 1616 $self->make_top_row('all_db_sets'=>\@all_db_sets, 'browse_which'=> $browse_which); 1617 print '</div>'; 1618 print '</div>'; 1619 print '<div style="clear:both;padding:0px;margin:0px;"></div>'; 1620 ######### Table of mysets problems 1621 print '<div id="problem_container">'; 1622 print '<div id="mysets_problems" class="problemList mysets">'; 1623 for ($jj=0; $jj<scalar(@myset_html); $jj++) { 1624 $myset_files[$jj] =~ s|^$ce->{courseDirs}->{templates}/?||; 1625 $self->make_myset_data_row($myset_files[$jj+$first_shown], $myset_html[$jj], $jj+1, $self->{past_marks}->[$jj]); 1626 } 1627 print '</div>'; 1628 1629 print '<div id="size_slider"><p>||</p></div>'; 1630 1631 print '<div id="setmaker_library_box" class="setmaker_library">'; 1632 print CGI::hidden(-name=>'browse_which', -value=>$browse_which,-override=>1), 1633 CGI::hidden(-name=>'problem_seed', -value=>$problem_seed, -override=>1); 1634 for ($j = 0 ; $j < scalar(@pg_files) ; $j++) { 1635 print CGI::hidden(-name=>"all_past_list$j", -value=>$pg_files[$j],-override=>1); 1636 } 1637 print CGI::hidden(-name=>'first_shown', -value=>$first_shown,-override=>1); 1638 print CGI::hidden(-name=>'last_shown', -value=>$last_shown, -override=>1); 1639 print '<div id="setmaker_library_problems" class="problemList">'; 1640 ########## Now print problems 1641 for ($jj=0; $jj<scalar(@pg_html); $jj++) { 1642 $pg_files[$jj] =~ s|^$ce->{courseDirs}->{templates}/?||; 1643 $self->make_data_row($pg_files[$jj+$first_shown], $pg_html[$jj], $jj+1, $self->{past_marks}->[$jj]); 1644 } 1645 print '</div>'; 1646 ########## Finish things off 1647 my ($next_button, $prev_button) = ("", ""); 1648 if ($first_shown > 0) { 1649 $prev_button = CGI::submit(-name=>"prev_page", -style=>"width:15ex", -value=>"Previous page"); 1650 } 1651 if ((1+$last_shown)<scalar(@pg_files)) { 1652 $next_button = CGI::submit(-name=>"next_page", -style=>"width:15ex", -value=>"Next page"); 1653 } 1654 if (scalar(@pg_files)>0) { 1655 print CGI::p(($first_shown+1)."-".($last_shown+1)." of ".scalar(@pg_files)." shown.", $prev_button, " ", $next_button, 1656 CGI::submit(-name=>"update", -style=>"width:15ex; font-weight:bold", -value=>"Update Set")); 1657 } 1658 #close setmaker_library 1659 print '</div>'; 1660 #close problem_container 1661 print '</div>'; 1662 print CGI::endform(), "\n"; 1663 #close form-editor 1664 print '</div>'; 1665 print '<div style="clear:both;"></div>'; 1666 # if($first_shown>0 or (1+$last_shown)<scalar(@pg_files)) { 1667 1668 # } 1669 1670 1671 return ""; 1672 } 1673 1674 =head1 AUTHOR 1675 1676 Written by John Jones, jj (at) asu.edu. 1677 Edited by David Gage 1678 1679 =cut 1680 1681 1;
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