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Print contents of COMMENT() commands in the Library Browser.
1 ################################################################################ 2 # WeBWorK Online Homework Delivery System 3 # Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/ 4 # $CVSHeader: webwork-modperl/lib/WeBWorK/ContentGenerator/Instructor/SetMaker.pm,v 1.51 2005/08/11 21:40:55 sh002i 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::SetMaker; 19 use base qw(WeBWorK::ContentGenerator::Instructor); 20 21 =head1 NAME 22 23 WeBWorK::ContentGenerator::Instructor::SetMaker - Make problem sets. 24 25 =cut 26 27 use strict; 28 use warnings; 29 30 use CGI::Pretty qw(); 31 use WeBWorK::Debug; 32 use WeBWorK::Form; 33 use WeBWorK::Utils qw(readDirectory max sortByName); 34 use WeBWorK::Utils::Tasks qw(renderProblems); 35 use File::Find; 36 37 require WeBWorK::Utils::ListingDB; 38 39 use constant MAX_SHOW_DEFAULT => 20; 40 use constant NO_LOCAL_SET_STRING => 'No sets in this course yet'; 41 use constant SELECT_SET_STRING => 'Select a Set from this Course'; 42 use constant SELECT_LOCAL_STRING => 'Select a Problem Collection'; 43 use constant MY_PROBLEMS => ' My Problems '; 44 use constant MAIN_PROBLEMS => ' Main Problems '; 45 use constant CREATE_SET_BUTTON => 'Create New Set'; 46 use constant ALL_CHAPTERS => 'All Chapters'; 47 use constant ALL_SUBJECTS => 'All Subjects'; 48 use constant ALL_SECTIONS => 'All Sections'; 49 use constant ALL_TEXTBOOKS => 'All Textbooks'; 50 51 use constant LIB2_DATA => { 52 'dbchapter' => {name => 'library_chapters', all => 'All Chapters'}, 53 'dbsection' => {name => 'library_sections', all =>'All Sections' }, 54 'dbsubject' => {name => 'library_subjects', all => 'All Subjects' }, 55 'textbook' => {name => 'library_textbook', all => 'All Textbooks'}, 56 'textchapter' => {name => 'library_textchapter', all => 'All Chapters'}, 57 'textsection' => {name => 'library_textsection', all => 'All Sections'}, 58 'keywords' => {name => 'library_keywords', all => '' }, 59 }; 60 61 ## Flags for operations on files 62 63 use constant ADDED => 1; 64 use constant HIDDEN => (1 << 1); 65 use constant SUCCESS => (1 << 2); 66 67 ## for additional problib buttons 68 my %problib; ## filled in in global.conf 69 my %ignoredir = ( 70 '.' => 1, '..' => 1, 'Library' => 1, 71 'headers' => 1, 'macros' => 1, 'email' => 1, 72 ); 73 74 ## This is for searching the disk for directories containing pg files. 75 ## to make the recursion work, this returns an array where the first 76 ## item is the number of pg files in the directory. The second is a 77 ## list of directories which contain pg files. 78 ## 79 ## If a directory contains only one pg file and at least one other 80 ## file, the directory is considered to be part of the parent 81 ## directory (it is probably in a separate directory only because 82 ## it has auxiliarly files that want to be kept together with the 83 ## pg file). 84 ## 85 ## If a directory has a file named "=library-ignore", it is never 86 ## included in the directory menu. If a directory contains a file 87 ## called "=library-combine-up", then its pg are included with those 88 ## in the parent directory (and the directory does not appear in the 89 ## menu). If it has a file called "=library-no-combine" then it is 90 ## always listed as a separate directory even if it contains only one 91 ## pg file. 92 93 sub get_library_sets { 94 my $top = shift; my $dir = shift; 95 # ignore directories that give us an error 96 my @lis = eval { readDirectory($dir) }; 97 if ($@) { 98 warn $@; 99 return (0); 100 } 101 return (0) if grep /^=library-ignore$/, @lis; 102 103 my @pgdirs; 104 105 my $pgcount = scalar(grep { m/\.pg$/ and (not m/(Header|-text)\.pg$/) and -f "$dir/$_"} @lis); 106 my $others = scalar(grep { (!m/\.pg$/ || m/(Header|-text)\.pg$/) && 107 !m/(\.(tmp|bak)|~)$/ && -f "$dir/$_" } @lis); 108 109 my @dirs = grep {!$ignoredir{$_} and -d "$dir/$_"} @lis; 110 if ($top == 1) {@dirs = grep {!$problib{$_}} @dirs} 111 foreach my $subdir (@dirs) { 112 my @results = get_library_sets(0, "$dir/$subdir"); 113 $pgcount += shift @results; push(@pgdirs,@results); 114 } 115 116 return ($pgcount, @pgdirs) if $top || $pgcount == 0 || grep /^=library-combine-up$/, @lis; 117 return (0,@pgdirs,$dir) if $pgcount > 1 || $others == 0 || grep /^=library-no-combine$/, @lis; 118 return ($pgcount, @pgdirs); 119 } 120 121 sub get_library_pgs { 122 my $top = shift; my $base = shift; my $dir = shift; 123 my @lis = readDirectory("$base/$dir"); 124 return () if grep /^=library-ignore$/, @lis; 125 return () if !$top && grep /^=library-no-combine$/, @lis; 126 127 my @pgs = grep { m/\.pg$/ and (not m/(Header|-text)\.pg$/) and -f "$base/$dir/$_"} @lis; 128 my $others = scalar(grep { (!m/\.pg$/ || m/(Header|-text)\.pg$/) && 129 !m/(\.(tmp|bak)|~)$/ && -f "$base/$dir/$_" } @lis); 130 131 my @dirs = grep {!$ignoredir{$_} and -d "$base/$dir/$_"} @lis; 132 if ($top == 1) {@dirs = grep {!$problib{$_}} @dirs} 133 foreach my $subdir (@dirs) {push(@pgs, get_library_pgs(0,"$base/$dir",$subdir))} 134 135 return () unless $top || (scalar(@pgs) == 1 && $others) || grep /^=library-combine-up$/, @lis; 136 return (map {"$dir/$_"} @pgs); 137 } 138 139 sub list_pg_files { 140 my ($templates,$dir) = @_; 141 my $top = ($dir eq '.')? 1 : 2; 142 my @pgs = get_library_pgs($top,$templates,$dir); 143 return sortByName(undef,@pgs); 144 } 145 146 ## Search for set definition files 147 148 sub get_set_defs { 149 my $topdir = shift; 150 my @found_set_defs; 151 # get_set_defs_wanted is a closure over @found_set_defs 152 my $get_set_defs_wanted = sub { 153 my $fn = $_; 154 my $fdir = $File::Find::dir; 155 return() if($fn !~ /^set.*\.def$/); 156 #return() if(not -T $fn); 157 push @found_set_defs, "$fdir/$fn"; 158 }; 159 find({ wanted => $get_set_defs_wanted, follow_fast=>1}, $topdir); 160 map { $_ =~ s|^$topdir/?|| } @found_set_defs; 161 return @found_set_defs; 162 } 163 164 ## Try to make reading of set defs more flexible. Additional strategies 165 ## for fixing a path can be added here. 166 167 sub munge_pg_file_path { 168 my $self = shift; 169 my $pg_path = shift; 170 my $path_to_set_def = shift; 171 my $end_path = $pg_path; 172 # if the path is ok, don't fix it 173 return($pg_path) if(-e $self->r->ce->{courseDirs}{templates}."/$pg_path"); 174 # if we have followed a link into a self contained course to get 175 # to the set.def file, we need to insert the start of the path to 176 # the set.def file 177 $end_path = "$path_to_set_def/$pg_path"; 178 return($end_path) if(-e $self->r->ce->{courseDirs}{templates}."/$end_path"); 179 # if we got this far, this path is bad, but we let it produce 180 # an error so the user knows there is a troublesome path in the 181 # set.def file. 182 return($pg_path); 183 } 184 185 ## Read a set definition file. This could be abstracted since it happens 186 ## elsewhere. Here we don't have to process so much of the file. 187 188 sub read_set_def { 189 my $self = shift; 190 my $r = $self->r; 191 my $filePathOrig = shift; 192 my $filePath = $r->ce->{courseDirs}{templates}."/$filePathOrig"; 193 $filePathOrig =~ s/set.*\.def$//; 194 $filePathOrig =~ s|/$||; 195 $filePathOrig = "." if ($filePathOrig !~ /\S/); 196 my @pg_files = (); 197 my ($line, $got_to_pgs, $name, @rest) = ("", 0, ""); 198 if ( open (SETFILENAME, "$filePath") ) { 199 while($line = <SETFILENAME>) { 200 chomp($line); 201 $line =~ s|(#.*)||; # don't read past comments 202 if($got_to_pgs) { 203 unless ($line =~ /\S/) {next;} # skip blank lines 204 ($name,@rest) = split (/\s*,\s*/,$line); 205 $name =~ s/\s*//g; 206 push @pg_files, $name; 207 } else { 208 $got_to_pgs = 1 if ($line =~ /problemList\s*=/); 209 } 210 } 211 } else { 212 $self->addbadmessage("Cannot open $filePath"); 213 } 214 # This is where we would potentially munge the pg file paths 215 # One possibility 216 @pg_files = map { $self->munge_pg_file_path($_, $filePathOrig) } @pg_files; 217 return(@pg_files); 218 } 219 220 ## go through past page getting a list of identifiers for the problems 221 ## and whether or not they are selected, and whether or not they should 222 ## be hidden 223 224 sub get_past_problem_files { 225 my $r = shift; 226 my @found=(); 227 my $count =1; 228 while (defined($r->param("filetrial$count"))) { 229 my $val = 0; 230 $val |= ADDED if($r->param("trial$count")); 231 $val |= HIDDEN if($r->param("hideme$count")); 232 push @found, [$r->param("filetrial$count"), $val]; 233 $count++; 234 } 235 return(\@found); 236 } 237 238 #### For adding new problems 239 240 sub add_selected { 241 my $self = shift; 242 my $db = shift; 243 my $setName = shift; 244 my @past_problems = @{$self->{past_problems}}; 245 my @selected = @past_problems; 246 my (@path, $file, $selected, $freeProblemID); 247 $freeProblemID = max($db->listGlobalProblems($setName)) + 1; 248 my $addedcount=0; 249 250 for $selected (@selected) { 251 if($selected->[1] & ADDED) { 252 $file = $selected->[0]; 253 my $problemRecord = $self->addProblemToSet(setName => $setName, 254 sourceFile => $file, problemID => $freeProblemID); 255 $freeProblemID++; 256 $self->assignProblemToAllSetUsers($problemRecord); 257 $selected->[1] |= SUCCESS; 258 $addedcount++; 259 } 260 } 261 return($addedcount); 262 } 263 264 265 ############# List of sets of problems in templates directory 266 267 sub get_problem_directories { 268 my $ce = shift; 269 my $lib = shift; 270 my $source = $ce->{courseDirs}{templates}; 271 my $main = MY_PROBLEMS; my $isTop = 1; 272 if ($lib) {$source .= "/$lib"; $main = MAIN_PROBLEMS; $isTop = 2} 273 my @all_problem_directories = get_library_sets($isTop, $source); 274 my $includetop = shift @all_problem_directories; 275 my $j; 276 for ($j=0; $j<scalar(@all_problem_directories); $j++) { 277 $all_problem_directories[$j] =~ s|^$ce->{courseDirs}->{templates}/?||; 278 } 279 @all_problem_directories = sortByName(undef, @all_problem_directories); 280 unshift @all_problem_directories, $main if($includetop); 281 return (\@all_problem_directories); 282 } 283 284 ############# Everyone has a view problems line. Abstract it 285 sub view_problems_line { 286 my $internal_name = shift; 287 my $label = shift; 288 my $r = shift; # so we can get parameter values 289 my $result = CGI::submit(-name=>"$internal_name", -value=>$label); 290 291 my %display_modes = %{WeBWorK::PG::DISPLAY_MODES()}; 292 my @active_modes = grep { exists $display_modes{$_} } 293 @{$r->ce->{pg}->{displayModes}}; 294 push @active_modes, 'None'; 295 # We have our own displayMode since its value may be None, which is illegal 296 # in other modules. 297 my $mydisplayMode = $r->param('mydisplayMode') || $r->ce->{pg}->{options}->{displayMode}; 298 $result .= ' Display Mode: '.CGI::popup_menu(-name=> 'mydisplayMode', 299 -values=>\@active_modes, 300 -default=> $mydisplayMode); 301 # Now we give a choice of the number of problems to show 302 my $defaultMax = $r->param('max_shown') || MAX_SHOW_DEFAULT; 303 $result .= ' Max. Shown: '. 304 CGI::popup_menu(-name=> 'max_shown', 305 -values=>[5,10,15,20,25,30,50,'All'], 306 -default=> $defaultMax); 307 308 return($result); 309 } 310 311 312 ### The browsing panel has three versions 313 ##### Version 1 is local problems 314 sub browse_local_panel { 315 my $self = shift; 316 my $library_selected = shift; 317 my $lib = shift || ''; $lib =~ s/^browse_//; 318 my $name = ($lib eq '')? 'Local' : $problib{$lib}; 319 320 my $list_of_prob_dirs= get_problem_directories($self->r->ce,$lib); 321 if(scalar(@$list_of_prob_dirs) == 0) { 322 $library_selected = "Found no directories containing problems"; 323 unshift @{$list_of_prob_dirs}, $library_selected; 324 } else { 325 my $default_value = SELECT_LOCAL_STRING; 326 if (not $library_selected or $library_selected eq $default_value) { 327 unshift @{$list_of_prob_dirs}, $default_value; 328 $library_selected = $default_value; 329 } 330 } 331 my $view_problem_line = view_problems_line('view_local_set', 'View Problems', $self->r); 332 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "$name Problems: ", 333 CGI::popup_menu(-name=> 'library_sets', 334 -values=>$list_of_prob_dirs, 335 -default=> $library_selected), 336 CGI::br(), 337 $view_problem_line, 338 )); 339 } 340 341 ##### Version 2 is local problem sets 342 sub browse_mysets_panel { 343 my $self = shift; 344 my $library_selected = shift; 345 my $list_of_local_sets = shift; 346 my $default_value = "Select a Homework Set"; 347 348 if(scalar(@$list_of_local_sets) == 0) { 349 $list_of_local_sets = [NO_LOCAL_SET_STRING]; 350 } elsif (not $library_selected or $library_selected eq $default_value) { 351 unshift @{$list_of_local_sets}, $default_value; 352 $library_selected = $default_value; 353 } 354 355 my $view_problem_line = view_problems_line('view_mysets_set', 'View Problems', $self->r); 356 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "Browse from: ", 357 CGI::popup_menu(-name=> 'library_sets', 358 -values=>$list_of_local_sets, 359 -default=> $library_selected), 360 CGI::br(), 361 $view_problem_line 362 )); 363 } 364 365 ##### Version 3 is the problem library 366 # 367 # This comes in 3 forms, problem library version 1, and for version 2 there 368 # is the basic, and the advanced interfaces. This function checks what we are 369 # supposed to do, or aborts if the problem library has not been installed. 370 371 sub browse_library_panel { 372 my $self=shift; 373 my $r = $self->r; 374 my $ce = $r->ce; 375 376 # See if the problem library is installed 377 my $libraryRoot = $r->{ce}->{problemLibrary}->{root}; 378 379 unless($libraryRoot) { 380 print CGI::Tr(CGI::td(CGI::div({class=>'ResultsWithError', align=>"center"}, 381 "The problem library has not been installed."))); 382 return; 383 } 384 # Test if the Library directory link exists. If not, try to make it 385 unless(-d "$ce->{courseDirs}->{templates}/Library") { 386 unless(symlink($libraryRoot, "$ce->{courseDirs}->{templates}/Library")) { 387 my $msg = <<"HERE"; 388 You are missing the directory <code>templates/Library</code>, which is needed 389 for the Problem Library to function. It should be a link pointing to 390 <code>$libraryRoot</code>, which you set in <code>conf/global.conf</code>. 391 I tried to make the link for you, but that failed. Check the permissions 392 in your <code>templates</code> directory. 393 HERE 394 $self->addbadmessage($msg); 395 } 396 } 397 398 # Now check what version we are supposed to use 399 my $libraryVersion = $r->{ce}->{problemLibrary}->{version} || 1; 400 if($libraryVersion == 1) { 401 return $self->browse_library_panel1; 402 } elsif($libraryVersion == 2) { 403 return $self->browse_library_panel2 if($self->{library_basic}==1); 404 return $self->browse_library_panel2adv; 405 } else { 406 print CGI::Tr(CGI::td(CGI::div({class=>'ResultsWithError', align=>"center"}, 407 "The problem library version is set to an illegal value."))); 408 return; 409 } 410 } 411 412 sub browse_library_panel1 { 413 my $self = shift; 414 my $r = $self->r; 415 my $ce = $r->ce; 416 417 my @chaps = WeBWorK::Utils::ListingDB::getAllChapters($r->{ce}); 418 unshift @chaps, LIB2_DATA->{dbchapter}{all}; 419 my $chapter_selected = $r->param('library_chapters') || LIB2_DATA->{dbchapter}->{all}; 420 421 my @sects=(); 422 if ($chapter_selected ne LIB2_DATA->{dbchapter}{all}) { 423 @sects = WeBWorK::Utils::ListingDB::getAllSections($r->{ce}, $chapter_selected); 424 } 425 426 unshift @sects, ALL_SECTIONS; 427 my $section_selected = $r->param('library_sections') || LIB2_DATA->{dbsection}{all}; 428 429 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r); 430 431 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, 432 CGI::start_table(), 433 CGI::Tr( 434 CGI::td(["Chapter:", 435 CGI::popup_menu(-name=> 'library_chapters', 436 -values=>\@chaps, 437 -default=> $chapter_selected, 438 -onchange=>"submit();return true" 439 ), 440 CGI::submit(-name=>"lib_select_chapter", -value=>"Update Section List")])), 441 CGI::Tr( 442 CGI::td("Section:"), 443 CGI::td({-colspan=>2}, 444 CGI::popup_menu(-name=> 'library_sections', 445 -values=>\@sects, 446 -default=> $section_selected 447 ))), 448 449 CGI::Tr(CGI::td({-colspan=>3}, $view_problem_line)), 450 CGI::end_table(), 451 )); 452 } 453 454 sub browse_library_panel2 { 455 my $self = shift; 456 my $r = $self->r; 457 my $ce = $r->ce; 458 459 my @subjs = WeBWorK::Utils::ListingDB::getAllDBsubjects($r); 460 unshift @subjs, LIB2_DATA->{dbsubject}{all}; 461 462 my @chaps = WeBWorK::Utils::ListingDB::getAllDBchapters($r); 463 unshift @chaps, LIB2_DATA->{dbchapter}{all}; 464 465 my @sects=(); 466 @sects = WeBWorK::Utils::ListingDB::getAllDBsections($r); 467 unshift @sects, LIB2_DATA->{dbsection}{all}; 468 469 my $subject_selected = $r->param('library_subjects') || LIB2_DATA->{dbsubject}{all}; 470 my $chapter_selected = $r->param('library_chapters') || LIB2_DATA->{dbchapter}{all}; 471 my $section_selected = $r->param('library_sections') || LIB2_DATA->{dbsection}{all}; 472 473 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r); 474 475 my $count_line = WeBWorK::Utils::ListingDB::countDBListings($r); 476 if($count_line==0) { 477 $count_line = "There are no matching pg files"; 478 } else { 479 $count_line = "There are $count_line matching WeBWorK problem files"; 480 } 481 482 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, 483 CGI::hidden(-name=>"library_is_basic", -default=>[1]), 484 CGI::start_table({-width=>"100%"}), 485 CGI::Tr( 486 CGI::td(["Subject:", 487 CGI::popup_menu(-name=> 'library_subjects', 488 -values=>\@subjs, 489 -default=> $subject_selected, 490 -onchange=>"submit();return true" 491 )]), 492 CGI::td({-colspan=>2, -align=>"right"}, 493 CGI::submit(-name=>"lib_select_subject", -value=>"Update Chapter/Section Lists")) 494 ), 495 CGI::Tr( 496 CGI::td(["Chapter:", 497 CGI::popup_menu(-name=> 'library_chapters', 498 -values=>\@chaps, 499 -default=> $chapter_selected, 500 -onchange=>"submit();return true" 501 )]), 502 CGI::td({-colspan=>2, -align=>"right"}, 503 CGI::submit(-name=>"library_advanced", -value=>"Advanced Search")) 504 ), 505 CGI::Tr( 506 CGI::td(["Section:", 507 CGI::popup_menu(-name=> 'library_sections', 508 -values=>\@sects, 509 -default=> $section_selected, 510 -onchange=>"submit();return true" 511 )]), 512 ), 513 CGI::Tr(CGI::td({-colspan=>3}, $view_problem_line)), 514 CGI::Tr(CGI::td({-colspan=>3, -align=>"center"}, $count_line)), 515 CGI::end_table(), 516 )); 517 518 } 519 520 sub browse_library_panel2adv { 521 my $self = shift; 522 my $r = $self->r; 523 my $ce = $r->ce; 524 my $right_button_style = "width: 18ex"; 525 526 my @subjs = WeBWorK::Utils::ListingDB::getAllDBsubjects($r); 527 if(! grep { $_ eq $r->param('library_subjects') } @subjs) { 528 $r->param('library_subjects', ''); 529 } 530 unshift @subjs, LIB2_DATA->{dbsubject}{all}; 531 532 my @chaps = WeBWorK::Utils::ListingDB::getAllDBchapters($r); 533 if(! grep { $_ eq $r->param('library_chapters') } @chaps) { 534 $r->param('library_chapters', ''); 535 } 536 unshift @chaps, LIB2_DATA->{dbchapter}{all}; 537 538 my @sects = WeBWorK::Utils::ListingDB::getAllDBsections($r); 539 if(! grep { $_ eq $r->param('library_sections') } @sects) { 540 $r->param('library_sections', ''); 541 } 542 unshift @sects, LIB2_DATA->{dbsection}{all}; 543 544 my $texts = WeBWorK::Utils::ListingDB::getDBTextbooks($r); 545 my @textarray = map { $_->[0] } @{$texts}; 546 my %textlabels = (); 547 for my $ta (@{$texts}) { 548 $textlabels{$ta->[0]} = $ta->[1]." by ".$ta->[2]." (edition ".$ta->[3].")"; 549 } 550 if(! grep { $_ eq $r->param('library_textbook') } @textarray) { 551 $r->param('library_textbook', ''); 552 } 553 unshift @textarray, LIB2_DATA->{textbook}{all}; 554 my $atb = LIB2_DATA->{textbook}{all}; $textlabels{$atb} = LIB2_DATA->{textbook}{all}; 555 556 my $textchap_ref = WeBWorK::Utils::ListingDB::getDBTextbooks($r, 'textchapter'); 557 my @textchaps = map { $_->[0] } @{$textchap_ref}; 558 if(! grep { $_ eq $r->param('library_textchapter') } @textchaps) { 559 $r->param('library_textchapter', ''); 560 } 561 unshift @textchaps, LIB2_DATA->{textchapter}{all}; 562 563 my $textsec_ref = WeBWorK::Utils::ListingDB::getDBTextbooks($r, 'textsection'); 564 my @textsecs = map { $_->[0] } @{$textsec_ref}; 565 if(! grep { $_ eq $r->param('library_textsection') } @textsecs) { 566 $r->param('library_textsection', ''); 567 } 568 unshift @textsecs, LIB2_DATA->{textsection}{all}; 569 570 my %selected = (); 571 for my $j (qw( dbsection dbchapter dbsubject textbook textchapter textsection )) { 572 $selected{$j} = $r->param(LIB2_DATA->{$j}{name}) || LIB2_DATA->{$j}{all}; 573 } 574 575 my $text_popup = CGI::popup_menu(-name => 'library_textbook', 576 -values =>\@textarray, 577 -labels => \%textlabels, 578 -default=>$selected{textbook}, 579 -onchange=>"submit();return true"); 580 581 582 my $library_keywords = $r->param('library_keywords') || ''; 583 584 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r); 585 586 my $count_line = WeBWorK::Utils::ListingDB::countDBListings($r); 587 if($count_line==0) { 588 $count_line = "There are no matching pg files"; 589 } else { 590 $count_line = "There are $count_line matching WeBWorK problem files"; 591 } 592 593 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, 594 CGI::hidden(-name=>"library_is_basic", -default=>[2]), 595 CGI::start_table({-width=>"100%"}), 596 # Html done by hand since it is temporary 597 CGI::Tr(CGI::td({-colspan=>4, -align=>"center"}, 'All Selected Constraints Joined by "And"')), 598 CGI::Tr( 599 CGI::td(["Subject:", 600 CGI::popup_menu(-name=> 'library_subjects', 601 -values=>\@subjs, 602 -default=> $selected{dbsubject}, 603 -onchange=>"submit();return true" 604 )]), 605 CGI::td({-colspan=>2, -align=>"right"}, 606 CGI::submit(-name=>"lib_select_subject", -value=>"Update Menus", 607 -style=> $right_button_style))), 608 CGI::Tr( 609 CGI::td(["Chapter:", 610 CGI::popup_menu(-name=> 'library_chapters', 611 -values=>\@chaps, 612 -default=> $selected{dbchapter}, 613 -onchange=>"submit();return true" 614 )]), 615 CGI::td({-colspan=>2, -align=>"right"}, 616 CGI::submit(-name=>"library_reset", -value=>"Reset", 617 -style=>$right_button_style)) 618 ), 619 CGI::Tr( 620 CGI::td(["Section:", 621 CGI::popup_menu(-name=> 'library_sections', 622 -values=>\@sects, 623 -default=> $selected{dbsection}, 624 -onchange=>"submit();return true" 625 )]), 626 CGI::td({-colspan=>2, -align=>"right"}, 627 CGI::submit(-name=>"library_basic", -value=>"Basic Search", 628 -style=>$right_button_style)) 629 ), 630 CGI::Tr( 631 CGI::td(["Textbook:", $text_popup]), 632 ), 633 CGI::Tr( 634 CGI::td(["Text chapter:", 635 CGI::popup_menu(-name=> 'library_textchapter', 636 -values=>\@textchaps, 637 -default=> $selected{textchapter}, 638 -onchange=>"submit();return true" 639 )]), 640 ), 641 CGI::Tr( 642 CGI::td(["Text section:", 643 CGI::popup_menu(-name=> 'library_textsection', 644 -values=>\@textsecs, 645 -default=> $selected{textsection}, 646 -onchange=>"submit();return true" 647 )]), 648 ), 649 CGI::Tr(CGI::td("Keywords:"),CGI::td({-colspan=>2}, 650 CGI::textfield(-name=>"library_keywords", 651 -default=>$library_keywords, 652 -override=>1, 653 -size=>40))), 654 CGI::Tr(CGI::td({-colspan=>3}, $view_problem_line)), 655 CGI::Tr(CGI::td({-colspan=>3, -align=>"center"}, $count_line)), 656 CGI::end_table(), 657 )); 658 659 } 660 661 662 ##### Version 4 is the set definition file panel 663 664 sub browse_setdef_panel { 665 my $self = shift; 666 my $r = $self->r; 667 my $ce = $r->ce; 668 my $library_selected = shift; 669 my $default_value = "Select a Set Definition File"; 670 my @list_of_set_defs = get_set_defs($ce->{courseDirs}{templates}); 671 if(scalar(@list_of_set_defs) == 0) { 672 @list_of_set_defs = (NO_LOCAL_SET_STRING); 673 } elsif (not $library_selected or $library_selected eq $default_value) { 674 unshift @list_of_set_defs, $default_value; 675 $library_selected = $default_value; 676 } 677 my $view_problem_line = view_problems_line('view_setdef_set', 'View Problems', $self->r); 678 my $popupetc = CGI::popup_menu(-name=> 'library_sets', 679 -values=>\@list_of_set_defs, 680 -default=> $library_selected). 681 CGI::br(). $view_problem_line; 682 if($list_of_set_defs[0] eq NO_LOCAL_SET_STRING) { 683 $popupetc = "there are no set definition files in this course to look at." 684 } 685 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "Browse from: ", 686 $popupetc 687 )); 688 } 689 690 sub make_top_row { 691 my $self = shift; 692 my $r = $self->r; 693 my $ce = $r->ce; 694 my %data = @_; 695 696 my $list_of_local_sets = $data{all_db_sets}; 697 my $have_local_sets = scalar(@$list_of_local_sets); 698 my $browse_which = $data{browse_which}; 699 my $library_selected = $r->param('library_sets'); 700 my $set_selected = $r->param('local_sets'); 701 702 my ($dis1, $dis2, $dis3, $dis4) = ("","","", ""); 703 $dis1 = '-disabled' if($browse_which eq 'browse_library'); 704 $dis2 = '-disabled' if($browse_which eq 'browse_local'); 705 $dis3 = '-disabled' if($browse_which eq 'browse_mysets'); 706 $dis4 = '-disabled' if($browse_which eq 'browse_setdefs'); 707 708 ## Make buttons for additional problem libraries 709 my $libs = ''; 710 foreach my $lib (sort(keys(%problib))) { 711 $libs .= ' '. CGI::submit(-name=>"browse_$lib", -value=>$problib{$lib}, 712 ($browse_which eq "browse_$lib")? '-disabled': '') 713 if (-d "$ce->{courseDirs}{templates}/$lib"); 714 } 715 $libs = CGI::br()."or Problems from".$libs if $libs ne ''; 716 717 my $these_widths = "width: 23ex"; 718 719 if($have_local_sets ==0) { 720 $list_of_local_sets = [NO_LOCAL_SET_STRING]; 721 } elsif (not $set_selected or $set_selected eq SELECT_SET_STRING) { 722 unshift @{$list_of_local_sets}, SELECT_SET_STRING; 723 $set_selected = SELECT_SET_STRING; 724 } 725 my $myjs = 'document.mainform.selfassign.value=confirm("Should I assign the new set to you now?\nUse OK for yes and Cancel for no.");true;'; 726 727 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "Add problems to ", 728 CGI::b("Target Set: "), 729 CGI::popup_menu(-name=> 'local_sets', 730 -values=>$list_of_local_sets, 731 -default=> $set_selected), 732 CGI::submit(-name=>"edit_local", -value=>"Edit Target Set"), 733 CGI::hidden(-name=>"selfassign", -default=>[0]). 734 CGI::br(), 735 CGI::br(), 736 CGI::submit(-name=>"new_local_set", -value=>"Create a New Set in This Course:", 737 -onclick=>$myjs 738 ), 739 " ", 740 CGI::textfield(-name=>"new_set_name", 741 -default=>"Name for new set here", 742 -override=>1, -size=>30), 743 )); 744 745 print CGI::Tr(CGI::td({-bgcolor=>"black"})); 746 747 # Tidy this list up since it is used in two different places 748 if ($list_of_local_sets->[0] eq SELECT_SET_STRING) { 749 shift @{$list_of_local_sets}; 750 } 751 752 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"center"}, 753 "Browse ", 754 CGI::submit(-name=>"browse_library", -value=>"Problem Library", -style=>$these_widths, $dis1), 755 CGI::submit(-name=>"browse_local", -value=>"Local Problems", -style=>$these_widths, $dis2), 756 CGI::submit(-name=>"browse_mysets", -value=>"From This Course", -style=>$these_widths, $dis3), 757 CGI::submit(-name=>"browse_setdefs", -value=>"Set Definition Files", -style=>$these_widths, $dis4), 758 $libs, 759 )); 760 761 #print CGI::Tr(CGI::td({-bgcolor=>"black"})); 762 print CGI::hr(); 763 764 if ($browse_which eq 'browse_local') { 765 $self->browse_local_panel($library_selected); 766 } elsif ($browse_which eq 'browse_mysets') { 767 $self->browse_mysets_panel($library_selected, $list_of_local_sets); 768 } elsif ($browse_which eq 'browse_library') { 769 $self->browse_library_panel(); 770 } elsif ($browse_which eq 'browse_setdefs') { 771 $self->browse_setdef_panel($library_selected); 772 } else { ## handle other problem libraries 773 $self->browse_local_panel($library_selected,$browse_which); 774 } 775 776 print CGI::Tr(CGI::td({-bgcolor=>"black"})); 777 778 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"center"}, 779 CGI::start_table({-border=>"0"}), 780 CGI::Tr( CGI::td({ -align=>"center"}, 781 CGI::submit(-name=>"select_all", -style=>$these_widths, 782 -value=>"Mark All For Adding"), 783 CGI::submit(-name=>"select_none", -style=>$these_widths, 784 -value=>"Clear All Marks"), 785 )), 786 CGI::Tr(CGI::td( 787 CGI::submit(-name=>"update", -style=>$these_widths. "; font-weight:bold", 788 -value=>"Update Set"), 789 CGI::submit(-name=>"rerandomize", 790 -style=>$these_widths, 791 -value=>"Rerandomize"), 792 CGI::submit(-name=>"cleardisplay", 793 -style=>$these_widths, 794 -value=>"Clear Problem Display") 795 )), 796 CGI::end_table())); 797 } 798 799 sub make_data_row { 800 my $self = shift; 801 my $sourceFileName = shift; 802 my $pg = shift; 803 my $cnt = shift; 804 my $mark = shift || 0; 805 806 $sourceFileName =~ s|^./||; # clean up top ugliness 807 808 my $urlpath = $self->r->urlpath; 809 my $problem_output = $pg->{flags}->{error_flag} ? 810 CGI::div({class=>"ResultsWithError"}, CGI::em("This problem produced an error")) 811 : CGI::div({class=>"RenderSolo"}, $pg->{body_text}); 812 $problem_output .= $pg->{flags}->{comment} if($pg->{flags}->{comment}); 813 814 815 #if($self->{r}->param('browse_which') ne 'browse_library') { 816 my $problem_seed = $self->{r}->param('problem_seed') || 0; 817 my $edit_link = CGI::a({href=>$self->systemLink( 818 $urlpath->newFromModule("WeBWorK::ContentGenerator::Instructor::PGProblemEditor", 819 courseID =>$urlpath->arg("courseID"), 820 setID=>"Undefined_Set", 821 problemID=>"1"), 822 params=>{sourceFilePath => "$sourceFileName", problemSeed=> $problem_seed} 823 )}, "Edit it" ); 824 825 my $displayMode = $self->r->param("mydisplayMode"); 826 $displayMode = $self->r->ce->{pg}->{options}->{displayMode} 827 if not defined $displayMode or $displayMode eq "None"; 828 my $try_link = CGI::a({href=>$self->systemLink( 829 $urlpath->newFromModule("WeBWorK::ContentGenerator::Problem", 830 courseID =>$urlpath->arg("courseID"), 831 setID=>"Undefined_Set", 832 problemID=>"1"), 833 params =>{ 834 effectiveUser => scalar($self->r->param('user')), 835 editMode => "SetMaker", 836 problemSeed=> $problem_seed, 837 sourceFilePath => "$sourceFileName", 838 displayMode => $displayMode, 839 } 840 )}, "Try it"); 841 842 my %add_box_data = ( -name=>"trial$cnt",-value=>1,-label=>"Add this problem to the current set on the next update"); 843 if($mark & SUCCESS) { 844 $add_box_data{ -label } .= " (just added this problem)"; 845 } elsif($mark & ADDED) { 846 $add_box_data{ -checked } = 1; 847 } 848 849 print CGI::Tr({-align=>"left"}, CGI::td( 850 CGI::div({-style=>"background-color: #DDDDDD; margin: 0px auto"}, 851 CGI::span({-style=>"float:left ; text-align: left"},"File name: $sourceFileName "), 852 CGI::span({-style=>"float:right ; text-align: right"}, $edit_link, " ", $try_link) 853 ), CGI::br(), 854 CGI::checkbox(-name=>"hideme$cnt",-value=>1,-label=>"Don't show this problem on the next update"), 855 CGI::br(), 856 CGI::checkbox((%add_box_data)), 857 CGI::hidden(-name=>"filetrial$cnt", -default=>[$sourceFileName]). 858 CGI::p($problem_output), 859 )); 860 } 861 862 sub clear_default { 863 my $r = shift; 864 my $param = shift; 865 my $default = shift; 866 my $newvalue = $r->param($param) || ''; 867 $newvalue = '' if($newvalue eq $default); 868 $r->param($param, $newvalue); 869 } 870 871 sub pre_header_initialize { 872 my ($self) = @_; 873 my $r = $self->r; 874 ## For all cases, lets set some things 875 $self->{error}=0; 876 my $ce = $r->ce; 877 my $db = $r->db; 878 my $maxShown = $r->param('max_shown') || MAX_SHOW_DEFAULT; 879 $maxShown = 10000000 if($maxShown eq 'All'); # let's hope there aren't more 880 my $library_basic = $r->param('library_is_basic') || 1; 881 882 ## Fix some parameters 883 clear_default($r,'library_subjects', ALL_SUBJECTS); 884 clear_default($r,'library_chapters', ALL_CHAPTERS); 885 clear_default($r,'library_sections', ALL_SECTIONS); 886 clear_default($r,'library_textbook', ALL_TEXTBOOKS); 887 888 ## These directories will have individual buttons 889 %problib = %{$ce->{courseFiles}{problibs}} if $ce->{courseFiles}{problibs}; 890 891 my $userName = $r->param('user'); 892 my $user = $db->getUser($userName); # checked 893 die "record for user $userName (real user) does not exist." 894 unless defined $user; 895 my $authz = $r->authz; 896 unless ($authz->hasPermissions($userName, "modify_problem_sets")) { 897 return(""); # Error message already produced in the body 898 } 899 900 ## Now one action we have to deal with here 901 if ($r->param('edit_local')) { 902 my $urlpath = $r->urlpath; 903 my $db = $r->db; 904 my $checkset = $db->getGlobalSet($r->param('local_sets')); 905 if (not defined($checkset)) { 906 $self->{error} = 1; 907 $self->addbadmessage('You need to select a "Target Set" before you can edit it.'); 908 } else { 909 my $page = $urlpath->newFromModule('WeBWorK::ContentGenerator::Instructor::ProblemSetDetail', setID=>$r->param('local_sets'), courseID=>$urlpath->arg("courseID")); 910 my $url = $self->systemLink($page); 911 $self->reply_with_redirect($url); 912 } 913 } 914 915 ## Next, lots of set up so that errors can be reported with message() 916 917 ############# List of problems we have already printed 918 919 $self->{past_problems} = get_past_problem_files($r); 920 # if we don't end up reusing problems, this will be wiped out 921 # if we do redisplay the same problems, we must adjust this accordingly 922 my @past_marks = map {$_->[1]} @{$self->{past_problems}}; 923 my $none_shown = scalar(@{$self->{past_problems}})==0; 924 my @pg_files=(); 925 my $use_previous_problems = 1; 926 my $first_shown = $r->param('first_shown') || 0; 927 my $last_shown = $r->param('last_shown'); 928 if (not defined($last_shown)) { 929 $last_shown = -1; 930 } 931 my @all_past_list = (); # these are include requested, but not shown 932 my $j = 0; 933 while (defined($r->param("all_past_list$j"))) { 934 push @all_past_list, $r->param("all_past_list$j"); 935 $j++; 936 } 937 938 ############# Default of which problem selector to display 939 940 my $browse_which = $r->param('browse_which') || 'browse_local'; 941 942 my $problem_seed = $r->param('problem_seed') || 0; 943 $r->param('problem_seed', $problem_seed); # if it wasn't defined before 944 945 ## check for problem lib buttons 946 my $browse_lib = ''; 947 foreach my $lib (keys %problib) { 948 if ($r->param("browse_$lib")) { 949 $browse_lib = "browse_$lib"; 950 last; 951 } 952 } 953 954 ########### Start the logic through if elsif elsif ... 955 956 ##### Asked to browse certain problems 957 if ($browse_lib ne '') { 958 $browse_which = $browse_lib; 959 $r->param('library_sets', ""); 960 $use_previous_problems = 0; @pg_files = (); ## clear old problems 961 } elsif ($r->param('browse_library')) { 962 $browse_which = 'browse_library'; 963 $r->param('library_sets', ""); 964 $use_previous_problems = 0; @pg_files = (); ## clear old problems 965 } elsif ($r->param('browse_local')) { 966 $browse_which = 'browse_local'; 967 $r->param('library_sets', ""); 968 $use_previous_problems = 0; @pg_files = (); ## clear old problems 969 } elsif ($r->param('browse_mysets')) { 970 $browse_which = 'browse_mysets'; 971 $r->param('library_sets', ""); 972 $use_previous_problems = 0; @pg_files = (); ## clear old problems 973 } elsif ($r->param('browse_setdefs')) { 974 $browse_which = 'browse_setdefs'; 975 $r->param('library_sets', ""); 976 $use_previous_problems = 0; @pg_files = (); ## clear old problems 977 978 ##### Change the seed value 979 980 } elsif ($r->param('rerandomize')) { 981 $problem_seed++; 982 $r->param('problem_seed', $problem_seed); 983 $self->addbadmessage('Changing the problem seed for display, but there are no problems showing.') if $none_shown; 984 985 ##### Clear the display 986 987 } elsif ($r->param('cleardisplay')) { 988 @pg_files = (); 989 $use_previous_problems=0; 990 $self->addbadmessage('The display was already cleared.') if $none_shown; 991 992 ##### View problems selected from the local list 993 994 } elsif ($r->param('view_local_set')) { 995 996 my $set_to_display = $r->param('library_sets'); 997 if (not defined($set_to_display) or $set_to_display eq SELECT_LOCAL_STRING or $set_to_display eq "Found no directories containing problems") { 998 $self->addbadmessage('You need to select a set to view.'); 999 } else { 1000 $set_to_display = '.' if $set_to_display eq MY_PROBLEMS; 1001 $set_to_display = substr($browse_which,7) if $set_to_display eq MAIN_PROBLEMS; 1002 @pg_files = list_pg_files($ce->{courseDirs}->{templates}, 1003 "$set_to_display"); 1004 $use_previous_problems=0; 1005 } 1006 1007 ##### View problems selected from the a set in this course 1008 1009 } elsif ($r->param('view_mysets_set')) { 1010 1011 my $set_to_display = $r->param('library_sets'); 1012 if (not defined($set_to_display) 1013 or $set_to_display eq "Select a Homework Set" 1014 or $set_to_display eq NO_LOCAL_SET_STRING) { 1015 $self->addbadmessage("You need to select a set from this course to view."); 1016 } else { 1017 my @problemList = $db->listGlobalProblems($set_to_display); 1018 my $problem; 1019 @pg_files=(); 1020 for $problem (@problemList) { 1021 my $problemRecord = $db->getGlobalProblem($set_to_display, $problem); # checked 1022 die "global $problem for set $set_to_display not found." unless 1023 $problemRecord; 1024 push @pg_files, $problemRecord->source_file; 1025 1026 } 1027 $use_previous_problems=0; 1028 } 1029 1030 ##### View from the library database 1031 1032 } elsif ($r->param('lib_view')) { 1033 1034 @pg_files=(); 1035 my @dbsearch = WeBWorK::Utils::ListingDB::getSectionListings($r); 1036 my ($result, $tolibpath); 1037 for $result (@dbsearch) { 1038 $tolibpath = "Library/$result->{path}/$result->{filename}"; 1039 1040 ## Too clunky!!!! 1041 push @pg_files, $tolibpath; 1042 } 1043 $use_previous_problems=0; 1044 1045 ##### View a set from a set*.def 1046 1047 } elsif ($r->param('view_setdef_set')) { 1048 1049 my $set_to_display = $r->param('library_sets'); 1050 if (not defined($set_to_display) 1051 or $set_to_display eq "Select a Set Definition File" 1052 or $set_to_display eq NO_LOCAL_SET_STRING) { 1053 $self->addbadmessage("You need to select a set from this course to view."); 1054 } else { 1055 @pg_files= $self->read_set_def($set_to_display); 1056 } 1057 $use_previous_problems=0; 1058 1059 ##### Edit the current local problem set 1060 1061 } elsif ($r->param('edit_local')) { ## Jump to set edit page 1062 1063 ; # already handled 1064 1065 1066 ##### Make a new local problem set 1067 1068 } elsif ($r->param('new_local_set')) { 1069 if ($r->param('new_set_name') !~ /^[\w .-]*$/) { 1070 $self->addbadmessage("The name ".$r->param('new_set_name')." is not a valid set name. Use only letters, digits, -, _, and ."); 1071 } else { 1072 my $newSetName = $r->param('new_set_name'); 1073 # if we want to munge the input set name, do it here 1074 $newSetName =~ s/\s/_/g; 1075 $r->param('local_sets',$newSetName); 1076 my $newSetRecord = $db->getGlobalSet($newSetName); 1077 if (defined($newSetRecord)) { 1078 $self->addbadmessage("The set name $newSetName is already in use. Pick a different name if you would like to start a new set."); 1079 } else { # Do it! 1080 $newSetRecord = $db->{set}->{record}->new(); 1081 $newSetRecord->set_id($newSetName); 1082 $newSetRecord->set_header(""); 1083 $newSetRecord->hardcopy_header(""); 1084 $newSetRecord->open_date(time()+60*60*24*7); # in one week 1085 $newSetRecord->due_date(time()+60*60*24*7*2); # in two weeks 1086 $newSetRecord->answer_date(time()+60*60*24*7*3); # in three weeks 1087 eval {$db->addGlobalSet($newSetRecord)}; 1088 if ($@) { 1089 $self->addbadmessage("Problem creating set $newSetName<br> $@"); 1090 } else { 1091 $self->addgoodmessage("Set $newSetName has been created."); 1092 my $selfassign = $r->param('selfassign') || ""; 1093 $selfassign = "" if($selfassign =~ /false/i); # deal with javascript false 1094 if($selfassign) { 1095 $self->assignSetToUser($userName, $newSetRecord); 1096 $self->addgoodmessage("Set $newSetName was assigned to $userName."); 1097 } 1098 } 1099 } 1100 } 1101 1102 ##### Add selected problems to the current local set 1103 1104 } elsif ($r->param('update')) { 1105 ## first handle problems to be added before we hide them 1106 my($localSet, @selected); 1107 1108 @pg_files = grep {($_->[1] & ADDED) != 0 } @{$self->{past_problems}}; 1109 @selected = map {$_->[0]} @pg_files; 1110 1111 my @action_files = grep {$_->[1] > 0 } @{$self->{past_problems}}; 1112 # There are now good reasons to do an update without selecting anything. 1113 #if(scalar(@action_files) == 0) { 1114 # $self->addbadmessage('Update requested, but no problems were marked.'); 1115 #} 1116 1117 if (scalar(@selected)>0) { # if some are to be added, they need a place to go 1118 $localSet = $r->param('local_sets'); 1119 if (not defined($localSet) or 1120 $localSet eq SELECT_SET_STRING or 1121 $localSet eq NO_LOCAL_SET_STRING) { 1122 $self->addbadmessage('You are trying to add problems to something, but you did not select a "Target Set" name as a target.'); 1123 } else { 1124 my $newSetRecord = $db->getGlobalSet($localSet); 1125 if (not defined($newSetRecord)) { 1126 $self->addbadmessage("You are trying to add problems to $localSet, but that set does not seem to exist! I bet you used your \"Back\" button."); 1127 } else { 1128 my $addcount = add_selected($self, $db, $localSet); 1129 if($addcount > 0) { 1130 $self->addgoodmessage("Added $addcount problem".(($addcount>1)?'s':''). 1131 " to $localSet."); 1132 } 1133 } 1134 } 1135 } 1136 ## now handle problems to be hidden 1137 1138 ## only keep the ones which are not hidden 1139 @pg_files = grep {($_->[1] & HIDDEN) ==0 } @{$self->{past_problems}}; 1140 @past_marks = map {$_->[1]} @pg_files; 1141 @pg_files = map {$_->[0]} @pg_files; 1142 @all_past_list = (@all_past_list[0..($first_shown-1)], 1143 @pg_files, 1144 @all_past_list[($last_shown+1)..(scalar(@all_past_list)-1)]); 1145 $last_shown = $first_shown+$maxShown -1; 1146 $last_shown = (scalar(@all_past_list)-1) if($last_shown>=scalar(@all_past_list)); 1147 1148 } elsif ($r->param('next_page')) { 1149 $first_shown = $last_shown+1; 1150 $last_shown = $first_shown+$maxShown-1; 1151 $last_shown = (scalar(@all_past_list)-1) if($last_shown>=scalar(@all_past_list)); 1152 @past_marks = (); 1153 } elsif ($r->param('prev_page')) { 1154 $last_shown = $first_shown-1; 1155 $first_shown = $last_shown - $maxShown+1; 1156 1157 $first_shown = 0 if($first_shown<0); 1158 @past_marks = (); 1159 1160 } elsif ($r->param('select_all')) { 1161 @past_marks = map {1} @past_marks; 1162 } elsif ($r->param('library_basic')) { 1163 $library_basic = 1; 1164 for my $jj (qw(textchapter textsection textbook)) { 1165 $r->param('library_'.$jj,''); 1166 } 1167 } elsif ($r->param('library_advanced')) { 1168 $library_basic = 2; 1169 } elsif ($r->param('library_reset')) { 1170 for my $jj (qw(chapters sections subjects textbook keywords)) { 1171 $r->param('library_'.$jj,''); 1172 } 1173 } elsif ($r->param('select_none')) { 1174 @past_marks = (); 1175 1176 ##### No action requested, probably our first time here 1177 1178 } else { 1179 #my $c = $r->connection; 1180 #print "Debug info: ". $r->get_remote_host ."<p>". $c->remote_ip ; 1181 ; 1182 } ##### end of the if elsif ... 1183 1184 1185 ############# List of local sets 1186 1187 my @all_db_sets = $db->listGlobalSets; 1188 @all_db_sets = sortByName(undef, @all_db_sets); 1189 1190 if ($use_previous_problems) { 1191 @pg_files = @all_past_list; 1192 } else { 1193 $first_shown = 0; 1194 $last_shown = scalar(@pg_files)<$maxShown ? scalar(@pg_files) : $maxShown; 1195 $last_shown--; # to make it an array index 1196 @past_marks = (); 1197 } 1198 ############# Now store data in self for retreival by body 1199 $self->{first_shown} = $first_shown; 1200 $self->{last_shown} = $last_shown; 1201 $self->{browse_which} = $browse_which; 1202 $self->{problem_seed} = $problem_seed; 1203 $self->{pg_files} = \@pg_files; 1204 $self->{past_marks} = \@past_marks; 1205 $self->{all_db_sets} = \@all_db_sets; 1206 $self->{library_basic} = $library_basic; 1207 } 1208 1209 1210 sub title { 1211 return "Library Browser"; 1212 } 1213 1214 # hide view options panel since it distracts from SetMaker's built-in view options 1215 sub options { 1216 return ""; 1217 } 1218 1219 sub body { 1220 my ($self) = @_; 1221 1222 my $r = $self->r; 1223 my $ce = $r->ce; # course environment 1224 my $db = $r->db; # database 1225 my $j; # garden variety counter 1226 1227 my $userName = $r->param('user'); 1228 1229 my $user = $db->getUser($userName); # checked 1230 die "record for user $userName (real user) does not exist." 1231 unless defined $user; 1232 1233 ### Check that this is a professor 1234 my $authz = $r->authz; 1235 unless ($authz->hasPermissions($userName, "modify_problem_sets")) { 1236 print "User $userName returned " . 1237 $authz->hasPermissions($user, "modify_problem_sets") . 1238 " for permission"; 1239 return(CGI::div({class=>'ResultsWithError'}, 1240 CGI::em("You are not authorized to access the Instructor tools."))); 1241 } 1242 1243 ########## Extract information computed in pre_header_initialize 1244 1245 my $first_shown = $self->{first_shown}; 1246 my $last_shown = $self->{last_shown}; 1247 my $browse_which = $self->{browse_which}; 1248 my $problem_seed = $self->{problem_seed}; 1249 my @pg_files = @{$self->{pg_files}}; 1250 my @all_db_sets = @{$self->{all_db_sets}}; 1251 1252 my @pg_html=($last_shown>=$first_shown) ? 1253 renderProblems(r=> $r, 1254 user => $user, 1255 problem_list => [@pg_files[$first_shown..$last_shown]], 1256 displayMode => $r->param('mydisplayMode')) : (); 1257 1258 ########## Top part 1259 print CGI::startform({-method=>"POST", -action=>$r->uri, -name=>'mainform'}), 1260 $self->hidden_authen_fields, 1261 '<div align="center">', 1262 CGI::start_table({-border=>2}); 1263 $self->make_top_row('all_db_sets'=>\@all_db_sets, 1264 'browse_which'=> $browse_which); 1265 print CGI::hidden(-name=>'browse_which', -default=>[$browse_which]), 1266 CGI::hidden(-name=>'problem_seed', -default=>[$problem_seed]); 1267 for ($j = 0 ; $j < scalar(@pg_files) ; $j++) { 1268 print CGI::hidden(-name=>"all_past_list$j", -default=>$pg_files[$j]); 1269 } 1270 1271 print CGI::hidden(-name=>'first_shown', -default=>[$first_shown]); 1272 print CGI::hidden(-name=>'last_shown', -default=>[$last_shown]); 1273 1274 1275 ########## Now print problems 1276 my $jj; 1277 for ($jj=0; $jj<scalar(@pg_html); $jj++) { 1278 $pg_files[$jj] =~ s|^$ce->{courseDirs}->{templates}/?||; 1279 $self->make_data_row($pg_files[$jj+$first_shown], $pg_html[$jj], $jj+1, $self->{past_marks}->[$jj]); 1280 } 1281 1282 ########## Finish things off 1283 print CGI::end_table(); 1284 print '</div>'; 1285 # if($first_shown>0 or (1+$last_shown)<scalar(@pg_files)) { 1286 my ($next_button, $prev_button) = ("", ""); 1287 if ($first_shown > 0) { 1288 $prev_button = CGI::submit(-name=>"prev_page", -style=>"width:15ex", 1289 -value=>"Previous page"); 1290 } 1291 if ((1+$last_shown)<scalar(@pg_files)) { 1292 $next_button = CGI::submit(-name=>"next_page", -style=>"width:15ex", 1293 -value=>"Next page"); 1294 } 1295 if (scalar(@pg_files)>0) { 1296 print CGI::p(($first_shown+1)."-".($last_shown+1)." of ".scalar(@pg_files). 1297 " shown.", $prev_button, " ", $next_button); 1298 } 1299 # } 1300 print CGI::endform(), "\n"; 1301 1302 return ""; 1303 } 1304 1305 =head1 AUTHOR 1306 1307 Written by John Jones, jj (at) asu.edu. 1308 1309 =cut 1310 1311 1;
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