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Fixed a bug where a set named "0" would not be sticky in the Target Set list (because it looked kind of like an empty/undefined name).
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 1.54 2005/08/28 20:54:51 jj 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 sub prepare_activity_entry { 75 my $self=shift; 76 my $r = $self->r; 77 my $user = $self->r->param('user') || 'NO_USER'; 78 return("In SetMaker as user $user"); 79 } 80 81 ## This is for searching the disk for directories containing pg files. 82 ## to make the recursion work, this returns an array where the first 83 ## item is the number of pg files in the directory. The second is a 84 ## list of directories which contain pg files. 85 ## 86 ## If a directory contains only one pg file and at least one other 87 ## file, the directory is considered to be part of the parent 88 ## directory (it is probably in a separate directory only because 89 ## it has auxiliarly files that want to be kept together with the 90 ## pg file). 91 ## 92 ## If a directory has a file named "=library-ignore", it is never 93 ## included in the directory menu. If a directory contains a file 94 ## called "=library-combine-up", then its pg are included with those 95 ## in the parent directory (and the directory does not appear in the 96 ## menu). If it has a file called "=library-no-combine" then it is 97 ## always listed as a separate directory even if it contains only one 98 ## pg file. 99 100 sub get_library_sets { 101 my $top = shift; my $dir = shift; 102 # ignore directories that give us an error 103 my @lis = eval { readDirectory($dir) }; 104 if ($@) { 105 warn $@; 106 return (0); 107 } 108 return (0) if grep /^=library-ignore$/, @lis; 109 110 my @pgdirs; 111 112 my $pgcount = scalar(grep { m/\.pg$/ and (not m/(Header|-text)\.pg$/) and -f "$dir/$_"} @lis); 113 my $others = scalar(grep { (!m/\.pg$/ || m/(Header|-text)\.pg$/) && 114 !m/(\.(tmp|bak)|~)$/ && -f "$dir/$_" } @lis); 115 116 my @dirs = grep {!$ignoredir{$_} and -d "$dir/$_"} @lis; 117 if ($top == 1) {@dirs = grep {!$problib{$_}} @dirs} 118 foreach my $subdir (@dirs) { 119 my @results = get_library_sets(0, "$dir/$subdir"); 120 $pgcount += shift @results; push(@pgdirs,@results); 121 } 122 123 return ($pgcount, @pgdirs) if $top || $pgcount == 0 || grep /^=library-combine-up$/, @lis; 124 return (0,@pgdirs,$dir) if $pgcount > 1 || $others == 0 || grep /^=library-no-combine$/, @lis; 125 return ($pgcount, @pgdirs); 126 } 127 128 sub get_library_pgs { 129 my $top = shift; my $base = shift; my $dir = shift; 130 my @lis = readDirectory("$base/$dir"); 131 return () if grep /^=library-ignore$/, @lis; 132 return () if !$top && grep /^=library-no-combine$/, @lis; 133 134 my @pgs = grep { m/\.pg$/ and (not m/(Header|-text)\.pg$/) and -f "$base/$dir/$_"} @lis; 135 my $others = scalar(grep { (!m/\.pg$/ || m/(Header|-text)\.pg$/) && 136 !m/(\.(tmp|bak)|~)$/ && -f "$base/$dir/$_" } @lis); 137 138 my @dirs = grep {!$ignoredir{$_} and -d "$base/$dir/$_"} @lis; 139 if ($top == 1) {@dirs = grep {!$problib{$_}} @dirs} 140 foreach my $subdir (@dirs) {push(@pgs, get_library_pgs(0,"$base/$dir",$subdir))} 141 142 return () unless $top || (scalar(@pgs) == 1 && $others) || grep /^=library-combine-up$/, @lis; 143 return (map {"$dir/$_"} @pgs); 144 } 145 146 sub list_pg_files { 147 my ($templates,$dir) = @_; 148 my $top = ($dir eq '.')? 1 : 2; 149 my @pgs = get_library_pgs($top,$templates,$dir); 150 return sortByName(undef,@pgs); 151 } 152 153 ## Search for set definition files 154 155 sub get_set_defs { 156 my $topdir = shift; 157 my @found_set_defs; 158 # get_set_defs_wanted is a closure over @found_set_defs 159 my $get_set_defs_wanted = sub { 160 my $fn = $_; 161 my $fdir = $File::Find::dir; 162 return() if($fn !~ /^set.*\.def$/); 163 #return() if(not -T $fn); 164 push @found_set_defs, "$fdir/$fn"; 165 }; 166 find({ wanted => $get_set_defs_wanted, follow_fast=>1}, $topdir); 167 map { $_ =~ s|^$topdir/?|| } @found_set_defs; 168 return @found_set_defs; 169 } 170 171 ## Try to make reading of set defs more flexible. Additional strategies 172 ## for fixing a path can be added here. 173 174 sub munge_pg_file_path { 175 my $self = shift; 176 my $pg_path = shift; 177 my $path_to_set_def = shift; 178 my $end_path = $pg_path; 179 # if the path is ok, don't fix it 180 return($pg_path) if(-e $self->r->ce->{courseDirs}{templates}."/$pg_path"); 181 # if we have followed a link into a self contained course to get 182 # to the set.def file, we need to insert the start of the path to 183 # the set.def file 184 $end_path = "$path_to_set_def/$pg_path"; 185 return($end_path) if(-e $self->r->ce->{courseDirs}{templates}."/$end_path"); 186 # if we got this far, this path is bad, but we let it produce 187 # an error so the user knows there is a troublesome path in the 188 # set.def file. 189 return($pg_path); 190 } 191 192 ## Read a set definition file. This could be abstracted since it happens 193 ## elsewhere. Here we don't have to process so much of the file. 194 195 sub read_set_def { 196 my $self = shift; 197 my $r = $self->r; 198 my $filePathOrig = shift; 199 my $filePath = $r->ce->{courseDirs}{templates}."/$filePathOrig"; 200 $filePathOrig =~ s/set.*\.def$//; 201 $filePathOrig =~ s|/$||; 202 $filePathOrig = "." if ($filePathOrig !~ /\S/); 203 my @pg_files = (); 204 my ($line, $got_to_pgs, $name, @rest) = ("", 0, ""); 205 if ( open (SETFILENAME, "$filePath") ) { 206 while($line = <SETFILENAME>) { 207 chomp($line); 208 $line =~ s|(#.*)||; # don't read past comments 209 if($got_to_pgs) { 210 unless ($line =~ /\S/) {next;} # skip blank lines 211 ($name,@rest) = split (/\s*,\s*/,$line); 212 $name =~ s/\s*//g; 213 push @pg_files, $name; 214 } else { 215 $got_to_pgs = 1 if ($line =~ /problemList\s*=/); 216 } 217 } 218 } else { 219 $self->addbadmessage("Cannot open $filePath"); 220 } 221 # This is where we would potentially munge the pg file paths 222 # One possibility 223 @pg_files = map { $self->munge_pg_file_path($_, $filePathOrig) } @pg_files; 224 return(@pg_files); 225 } 226 227 ## go through past page getting a list of identifiers for the problems 228 ## and whether or not they are selected, and whether or not they should 229 ## be hidden 230 231 sub get_past_problem_files { 232 my $r = shift; 233 my @found=(); 234 my $count =1; 235 while (defined($r->param("filetrial$count"))) { 236 my $val = 0; 237 $val |= ADDED if($r->param("trial$count")); 238 $val |= HIDDEN if($r->param("hideme$count")); 239 push @found, [$r->param("filetrial$count"), $val]; 240 $count++; 241 } 242 return(\@found); 243 } 244 245 #### For adding new problems 246 247 sub add_selected { 248 my $self = shift; 249 my $db = shift; 250 my $setName = shift; 251 my @past_problems = @{$self->{past_problems}}; 252 my @selected = @past_problems; 253 my (@path, $file, $selected, $freeProblemID); 254 $freeProblemID = max($db->listGlobalProblems($setName)) + 1; 255 my $addedcount=0; 256 257 for $selected (@selected) { 258 if($selected->[1] & ADDED) { 259 $file = $selected->[0]; 260 my $problemRecord = $self->addProblemToSet(setName => $setName, 261 sourceFile => $file, problemID => $freeProblemID); 262 $freeProblemID++; 263 $self->assignProblemToAllSetUsers($problemRecord); 264 $selected->[1] |= SUCCESS; 265 $addedcount++; 266 } 267 } 268 return($addedcount); 269 } 270 271 272 ############# List of sets of problems in templates directory 273 274 sub get_problem_directories { 275 my $ce = shift; 276 my $lib = shift; 277 my $source = $ce->{courseDirs}{templates}; 278 my $main = MY_PROBLEMS; my $isTop = 1; 279 if ($lib) {$source .= "/$lib"; $main = MAIN_PROBLEMS; $isTop = 2} 280 my @all_problem_directories = get_library_sets($isTop, $source); 281 my $includetop = shift @all_problem_directories; 282 my $j; 283 for ($j=0; $j<scalar(@all_problem_directories); $j++) { 284 $all_problem_directories[$j] =~ s|^$ce->{courseDirs}->{templates}/?||; 285 } 286 @all_problem_directories = sortByName(undef, @all_problem_directories); 287 unshift @all_problem_directories, $main if($includetop); 288 return (\@all_problem_directories); 289 } 290 291 ############# Everyone has a view problems line. Abstract it 292 sub view_problems_line { 293 my $internal_name = shift; 294 my $label = shift; 295 my $r = shift; # so we can get parameter values 296 my $result = CGI::submit(-name=>"$internal_name", -value=>$label); 297 298 my %display_modes = %{WeBWorK::PG::DISPLAY_MODES()}; 299 my @active_modes = grep { exists $display_modes{$_} } 300 @{$r->ce->{pg}->{displayModes}}; 301 push @active_modes, 'None'; 302 # We have our own displayMode since its value may be None, which is illegal 303 # in other modules. 304 my $mydisplayMode = $r->param('mydisplayMode') || $r->ce->{pg}->{options}->{displayMode}; 305 $result .= ' Display Mode: '.CGI::popup_menu(-name=> 'mydisplayMode', 306 -values=>\@active_modes, 307 -default=> $mydisplayMode); 308 # Now we give a choice of the number of problems to show 309 my $defaultMax = $r->param('max_shown') || MAX_SHOW_DEFAULT; 310 $result .= ' Max. Shown: '. 311 CGI::popup_menu(-name=> 'max_shown', 312 -values=>[5,10,15,20,25,30,50,'All'], 313 -default=> $defaultMax); 314 315 return($result); 316 } 317 318 319 ### The browsing panel has three versions 320 ##### Version 1 is local problems 321 sub browse_local_panel { 322 my $self = shift; 323 my $library_selected = shift; 324 my $lib = shift || ''; $lib =~ s/^browse_//; 325 my $name = ($lib eq '')? 'Local' : $problib{$lib}; 326 327 my $list_of_prob_dirs= get_problem_directories($self->r->ce,$lib); 328 if(scalar(@$list_of_prob_dirs) == 0) { 329 $library_selected = "Found no directories containing problems"; 330 unshift @{$list_of_prob_dirs}, $library_selected; 331 } else { 332 my $default_value = SELECT_LOCAL_STRING; 333 if (not $library_selected or $library_selected eq $default_value) { 334 unshift @{$list_of_prob_dirs}, $default_value; 335 $library_selected = $default_value; 336 } 337 } 338 my $view_problem_line = view_problems_line('view_local_set', 'View Problems', $self->r); 339 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "$name Problems: ", 340 CGI::popup_menu(-name=> 'library_sets', 341 -values=>$list_of_prob_dirs, 342 -default=> $library_selected), 343 CGI::br(), 344 $view_problem_line, 345 )); 346 } 347 348 ##### Version 2 is local problem sets 349 sub browse_mysets_panel { 350 my $self = shift; 351 my $library_selected = shift; 352 my $list_of_local_sets = shift; 353 my $default_value = "Select a Homework Set"; 354 355 if(scalar(@$list_of_local_sets) == 0) { 356 $list_of_local_sets = [NO_LOCAL_SET_STRING]; 357 } elsif (not $library_selected or $library_selected eq $default_value) { 358 unshift @{$list_of_local_sets}, $default_value; 359 $library_selected = $default_value; 360 } 361 362 my $view_problem_line = view_problems_line('view_mysets_set', 'View Problems', $self->r); 363 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "Browse from: ", 364 CGI::popup_menu(-name=> 'library_sets', 365 -values=>$list_of_local_sets, 366 -default=> $library_selected), 367 CGI::br(), 368 $view_problem_line 369 )); 370 } 371 372 ##### Version 3 is the problem library 373 # 374 # This comes in 3 forms, problem library version 1, and for version 2 there 375 # is the basic, and the advanced interfaces. This function checks what we are 376 # supposed to do, or aborts if the problem library has not been installed. 377 378 sub browse_library_panel { 379 my $self=shift; 380 my $r = $self->r; 381 my $ce = $r->ce; 382 383 # See if the problem library is installed 384 my $libraryRoot = $r->{ce}->{problemLibrary}->{root}; 385 386 unless($libraryRoot) { 387 print CGI::Tr(CGI::td(CGI::div({class=>'ResultsWithError', align=>"center"}, 388 "The problem library has not been installed."))); 389 return; 390 } 391 # Test if the Library directory link exists. If not, try to make it 392 unless(-d "$ce->{courseDirs}->{templates}/Library") { 393 unless(symlink($libraryRoot, "$ce->{courseDirs}->{templates}/Library")) { 394 my $msg = <<"HERE"; 395 You are missing the directory <code>templates/Library</code>, which is needed 396 for the Problem Library to function. It should be a link pointing to 397 <code>$libraryRoot</code>, which you set in <code>conf/global.conf</code>. 398 I tried to make the link for you, but that failed. Check the permissions 399 in your <code>templates</code> directory. 400 HERE 401 $self->addbadmessage($msg); 402 } 403 } 404 405 # Now check what version we are supposed to use 406 my $libraryVersion = $r->{ce}->{problemLibrary}->{version} || 1; 407 if($libraryVersion == 1) { 408 return $self->browse_library_panel1; 409 } elsif($libraryVersion == 2) { 410 return $self->browse_library_panel2 if($self->{library_basic}==1); 411 return $self->browse_library_panel2adv; 412 } else { 413 print CGI::Tr(CGI::td(CGI::div({class=>'ResultsWithError', align=>"center"}, 414 "The problem library version is set to an illegal value."))); 415 return; 416 } 417 } 418 419 sub browse_library_panel1 { 420 my $self = shift; 421 my $r = $self->r; 422 my $ce = $r->ce; 423 424 my @chaps = WeBWorK::Utils::ListingDB::getAllChapters($r->{ce}); 425 unshift @chaps, LIB2_DATA->{dbchapter}{all}; 426 my $chapter_selected = $r->param('library_chapters') || LIB2_DATA->{dbchapter}->{all}; 427 428 my @sects=(); 429 if ($chapter_selected ne LIB2_DATA->{dbchapter}{all}) { 430 @sects = WeBWorK::Utils::ListingDB::getAllSections($r->{ce}, $chapter_selected); 431 } 432 433 unshift @sects, ALL_SECTIONS; 434 my $section_selected = $r->param('library_sections') || LIB2_DATA->{dbsection}{all}; 435 436 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r); 437 438 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, 439 CGI::start_table(), 440 CGI::Tr( 441 CGI::td(["Chapter:", 442 CGI::popup_menu(-name=> 'library_chapters', 443 -values=>\@chaps, 444 -default=> $chapter_selected, 445 -onchange=>"submit();return true" 446 ), 447 CGI::submit(-name=>"lib_select_chapter", -value=>"Update Section List")])), 448 CGI::Tr( 449 CGI::td("Section:"), 450 CGI::td({-colspan=>2}, 451 CGI::popup_menu(-name=> 'library_sections', 452 -values=>\@sects, 453 -default=> $section_selected 454 ))), 455 456 CGI::Tr(CGI::td({-colspan=>3}, $view_problem_line)), 457 CGI::end_table(), 458 )); 459 } 460 461 sub browse_library_panel2 { 462 my $self = shift; 463 my $r = $self->r; 464 my $ce = $r->ce; 465 466 my @subjs = WeBWorK::Utils::ListingDB::getAllDBsubjects($r); 467 unshift @subjs, LIB2_DATA->{dbsubject}{all}; 468 469 my @chaps = WeBWorK::Utils::ListingDB::getAllDBchapters($r); 470 unshift @chaps, LIB2_DATA->{dbchapter}{all}; 471 472 my @sects=(); 473 @sects = WeBWorK::Utils::ListingDB::getAllDBsections($r); 474 unshift @sects, LIB2_DATA->{dbsection}{all}; 475 476 my $subject_selected = $r->param('library_subjects') || LIB2_DATA->{dbsubject}{all}; 477 my $chapter_selected = $r->param('library_chapters') || LIB2_DATA->{dbchapter}{all}; 478 my $section_selected = $r->param('library_sections') || LIB2_DATA->{dbsection}{all}; 479 480 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r); 481 482 my $count_line = WeBWorK::Utils::ListingDB::countDBListings($r); 483 if($count_line==0) { 484 $count_line = "There are no matching pg files"; 485 } else { 486 $count_line = "There are $count_line matching WeBWorK problem files"; 487 } 488 489 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, 490 CGI::hidden(-name=>"library_is_basic", -default=>[1]), 491 CGI::start_table({-width=>"100%"}), 492 CGI::Tr( 493 CGI::td(["Subject:", 494 CGI::popup_menu(-name=> 'library_subjects', 495 -values=>\@subjs, 496 -default=> $subject_selected, 497 -onchange=>"submit();return true" 498 )]), 499 CGI::td({-colspan=>2, -align=>"right"}, 500 CGI::submit(-name=>"lib_select_subject", -value=>"Update Chapter/Section Lists")) 501 ), 502 CGI::Tr( 503 CGI::td(["Chapter:", 504 CGI::popup_menu(-name=> 'library_chapters', 505 -values=>\@chaps, 506 -default=> $chapter_selected, 507 -onchange=>"submit();return true" 508 )]), 509 CGI::td({-colspan=>2, -align=>"right"}, 510 CGI::submit(-name=>"library_advanced", -value=>"Advanced Search")) 511 ), 512 CGI::Tr( 513 CGI::td(["Section:", 514 CGI::popup_menu(-name=> 'library_sections', 515 -values=>\@sects, 516 -default=> $section_selected, 517 -onchange=>"submit();return true" 518 )]), 519 ), 520 CGI::Tr(CGI::td({-colspan=>3}, $view_problem_line)), 521 CGI::Tr(CGI::td({-colspan=>3, -align=>"center"}, $count_line)), 522 CGI::end_table(), 523 )); 524 525 } 526 527 sub browse_library_panel2adv { 528 my $self = shift; 529 my $r = $self->r; 530 my $ce = $r->ce; 531 my $right_button_style = "width: 18ex"; 532 533 my @subjs = WeBWorK::Utils::ListingDB::getAllDBsubjects($r); 534 if(! grep { $_ eq $r->param('library_subjects') } @subjs) { 535 $r->param('library_subjects', ''); 536 } 537 unshift @subjs, LIB2_DATA->{dbsubject}{all}; 538 539 my @chaps = WeBWorK::Utils::ListingDB::getAllDBchapters($r); 540 if(! grep { $_ eq $r->param('library_chapters') } @chaps) { 541 $r->param('library_chapters', ''); 542 } 543 unshift @chaps, LIB2_DATA->{dbchapter}{all}; 544 545 my @sects = WeBWorK::Utils::ListingDB::getAllDBsections($r); 546 if(! grep { $_ eq $r->param('library_sections') } @sects) { 547 $r->param('library_sections', ''); 548 } 549 unshift @sects, LIB2_DATA->{dbsection}{all}; 550 551 my $texts = WeBWorK::Utils::ListingDB::getDBTextbooks($r); 552 my @textarray = map { $_->[0] } @{$texts}; 553 my %textlabels = (); 554 for my $ta (@{$texts}) { 555 $textlabels{$ta->[0]} = $ta->[1]." by ".$ta->[2]." (edition ".$ta->[3].")"; 556 } 557 if(! grep { $_ eq $r->param('library_textbook') } @textarray) { 558 $r->param('library_textbook', ''); 559 } 560 unshift @textarray, LIB2_DATA->{textbook}{all}; 561 my $atb = LIB2_DATA->{textbook}{all}; $textlabels{$atb} = LIB2_DATA->{textbook}{all}; 562 563 my $textchap_ref = WeBWorK::Utils::ListingDB::getDBTextbooks($r, 'textchapter'); 564 my @textchaps = map { $_->[0] } @{$textchap_ref}; 565 if(! grep { $_ eq $r->param('library_textchapter') } @textchaps) { 566 $r->param('library_textchapter', ''); 567 } 568 unshift @textchaps, LIB2_DATA->{textchapter}{all}; 569 570 my $textsec_ref = WeBWorK::Utils::ListingDB::getDBTextbooks($r, 'textsection'); 571 my @textsecs = map { $_->[0] } @{$textsec_ref}; 572 if(! grep { $_ eq $r->param('library_textsection') } @textsecs) { 573 $r->param('library_textsection', ''); 574 } 575 unshift @textsecs, LIB2_DATA->{textsection}{all}; 576 577 my %selected = (); 578 for my $j (qw( dbsection dbchapter dbsubject textbook textchapter textsection )) { 579 $selected{$j} = $r->param(LIB2_DATA->{$j}{name}) || LIB2_DATA->{$j}{all}; 580 } 581 582 my $text_popup = CGI::popup_menu(-name => 'library_textbook', 583 -values =>\@textarray, 584 -labels => \%textlabels, 585 -default=>$selected{textbook}, 586 -onchange=>"submit();return true"); 587 588 589 my $library_keywords = $r->param('library_keywords') || ''; 590 591 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r); 592 593 my $count_line = WeBWorK::Utils::ListingDB::countDBListings($r); 594 if($count_line==0) { 595 $count_line = "There are no matching pg files"; 596 } else { 597 $count_line = "There are $count_line matching WeBWorK problem files"; 598 } 599 600 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, 601 CGI::hidden(-name=>"library_is_basic", -default=>[2]), 602 CGI::start_table({-width=>"100%"}), 603 # Html done by hand since it is temporary 604 CGI::Tr(CGI::td({-colspan=>4, -align=>"center"}, 'All Selected Constraints Joined by "And"')), 605 CGI::Tr( 606 CGI::td(["Subject:", 607 CGI::popup_menu(-name=> 'library_subjects', 608 -values=>\@subjs, 609 -default=> $selected{dbsubject}, 610 -onchange=>"submit();return true" 611 )]), 612 CGI::td({-colspan=>2, -align=>"right"}, 613 CGI::submit(-name=>"lib_select_subject", -value=>"Update Menus", 614 -style=> $right_button_style))), 615 CGI::Tr( 616 CGI::td(["Chapter:", 617 CGI::popup_menu(-name=> 'library_chapters', 618 -values=>\@chaps, 619 -default=> $selected{dbchapter}, 620 -onchange=>"submit();return true" 621 )]), 622 CGI::td({-colspan=>2, -align=>"right"}, 623 CGI::submit(-name=>"library_reset", -value=>"Reset", 624 -style=>$right_button_style)) 625 ), 626 CGI::Tr( 627 CGI::td(["Section:", 628 CGI::popup_menu(-name=> 'library_sections', 629 -values=>\@sects, 630 -default=> $selected{dbsection}, 631 -onchange=>"submit();return true" 632 )]), 633 CGI::td({-colspan=>2, -align=>"right"}, 634 CGI::submit(-name=>"library_basic", -value=>"Basic Search", 635 -style=>$right_button_style)) 636 ), 637 CGI::Tr( 638 CGI::td(["Textbook:", $text_popup]), 639 ), 640 CGI::Tr( 641 CGI::td(["Text chapter:", 642 CGI::popup_menu(-name=> 'library_textchapter', 643 -values=>\@textchaps, 644 -default=> $selected{textchapter}, 645 -onchange=>"submit();return true" 646 )]), 647 ), 648 CGI::Tr( 649 CGI::td(["Text section:", 650 CGI::popup_menu(-name=> 'library_textsection', 651 -values=>\@textsecs, 652 -default=> $selected{textsection}, 653 -onchange=>"submit();return true" 654 )]), 655 ), 656 CGI::Tr(CGI::td("Keywords:"),CGI::td({-colspan=>2}, 657 CGI::textfield(-name=>"library_keywords", 658 -default=>$library_keywords, 659 -override=>1, 660 -size=>40))), 661 CGI::Tr(CGI::td({-colspan=>3}, $view_problem_line)), 662 CGI::Tr(CGI::td({-colspan=>3, -align=>"center"}, $count_line)), 663 CGI::end_table(), 664 )); 665 666 } 667 668 669 ##### Version 4 is the set definition file panel 670 671 sub browse_setdef_panel { 672 my $self = shift; 673 my $r = $self->r; 674 my $ce = $r->ce; 675 my $library_selected = shift; 676 my $default_value = "Select a Set Definition File"; 677 my @list_of_set_defs = get_set_defs($ce->{courseDirs}{templates}); 678 if(scalar(@list_of_set_defs) == 0) { 679 @list_of_set_defs = (NO_LOCAL_SET_STRING); 680 } elsif (not $library_selected or $library_selected eq $default_value) { 681 unshift @list_of_set_defs, $default_value; 682 $library_selected = $default_value; 683 } 684 my $view_problem_line = view_problems_line('view_setdef_set', 'View Problems', $self->r); 685 my $popupetc = CGI::popup_menu(-name=> 'library_sets', 686 -values=>\@list_of_set_defs, 687 -default=> $library_selected). 688 CGI::br(). $view_problem_line; 689 if($list_of_set_defs[0] eq NO_LOCAL_SET_STRING) { 690 $popupetc = "there are no set definition files in this course to look at." 691 } 692 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "Browse from: ", 693 $popupetc 694 )); 695 } 696 697 sub make_top_row { 698 my $self = shift; 699 my $r = $self->r; 700 my $ce = $r->ce; 701 my %data = @_; 702 703 my $list_of_local_sets = $data{all_db_sets}; 704 my $have_local_sets = scalar(@$list_of_local_sets); 705 my $browse_which = $data{browse_which}; 706 my $library_selected = $r->param('library_sets'); 707 my $set_selected = $r->param('local_sets'); 708 709 my ($dis1, $dis2, $dis3, $dis4) = ("","","", ""); 710 $dis1 = '-disabled' if($browse_which eq 'browse_library'); 711 $dis2 = '-disabled' if($browse_which eq 'browse_local'); 712 $dis3 = '-disabled' if($browse_which eq 'browse_mysets'); 713 $dis4 = '-disabled' if($browse_which eq 'browse_setdefs'); 714 715 ## Make buttons for additional problem libraries 716 my $libs = ''; 717 foreach my $lib (sort(keys(%problib))) { 718 $libs .= ' '. CGI::submit(-name=>"browse_$lib", -value=>$problib{$lib}, 719 ($browse_which eq "browse_$lib")? '-disabled': '') 720 if (-d "$ce->{courseDirs}{templates}/$lib"); 721 } 722 $libs = CGI::br()."or Problems from".$libs if $libs ne ''; 723 724 my $these_widths = "width: 23ex"; 725 726 if($have_local_sets ==0) { 727 $list_of_local_sets = [NO_LOCAL_SET_STRING]; 728 } elsif (not defined($set_selected) or $set_selected eq "" 729 or $set_selected eq SELECT_SET_STRING) { 730 unshift @{$list_of_local_sets}, SELECT_SET_STRING; 731 $set_selected = SELECT_SET_STRING; 732 } 733 my $myjs = 'document.mainform.selfassign.value=confirm("Should I assign the new set to you now?\nUse OK for yes and Cancel for no.");true;'; 734 735 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "Add problems to ", 736 CGI::b("Target Set: "), 737 CGI::popup_menu(-name=> 'local_sets', 738 -values=>$list_of_local_sets, 739 -default=> $set_selected), 740 CGI::submit(-name=>"edit_local", -value=>"Edit Target Set"), 741 CGI::hidden(-name=>"selfassign", -default=>[0]). 742 CGI::br(), 743 CGI::br(), 744 CGI::submit(-name=>"new_local_set", -value=>"Create a New Set in This Course:", 745 -onclick=>$myjs 746 ), 747 " ", 748 CGI::textfield(-name=>"new_set_name", 749 -default=>"Name for new set here", 750 -override=>1, -size=>30), 751 )); 752 753 print CGI::Tr(CGI::td({-bgcolor=>"black"})); 754 755 # Tidy this list up since it is used in two different places 756 if ($list_of_local_sets->[0] eq SELECT_SET_STRING) { 757 shift @{$list_of_local_sets}; 758 } 759 760 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"center"}, 761 "Browse ", 762 CGI::submit(-name=>"browse_library", -value=>"Problem Library", -style=>$these_widths, $dis1), 763 CGI::submit(-name=>"browse_local", -value=>"Local Problems", -style=>$these_widths, $dis2), 764 CGI::submit(-name=>"browse_mysets", -value=>"From This Course", -style=>$these_widths, $dis3), 765 CGI::submit(-name=>"browse_setdefs", -value=>"Set Definition Files", -style=>$these_widths, $dis4), 766 $libs, 767 )); 768 769 #print CGI::Tr(CGI::td({-bgcolor=>"black"})); 770 print CGI::hr(); 771 772 if ($browse_which eq 'browse_local') { 773 $self->browse_local_panel($library_selected); 774 } elsif ($browse_which eq 'browse_mysets') { 775 $self->browse_mysets_panel($library_selected, $list_of_local_sets); 776 } elsif ($browse_which eq 'browse_library') { 777 $self->browse_library_panel(); 778 } elsif ($browse_which eq 'browse_setdefs') { 779 $self->browse_setdef_panel($library_selected); 780 } else { ## handle other problem libraries 781 $self->browse_local_panel($library_selected,$browse_which); 782 } 783 784 print CGI::Tr(CGI::td({-bgcolor=>"black"})); 785 786 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"center"}, 787 CGI::start_table({-border=>"0"}), 788 CGI::Tr( CGI::td({ -align=>"center"}, 789 CGI::submit(-name=>"select_all", -style=>$these_widths, 790 -value=>"Mark All For Adding"), 791 CGI::submit(-name=>"select_none", -style=>$these_widths, 792 -value=>"Clear All Marks"), 793 )), 794 CGI::Tr(CGI::td( 795 CGI::submit(-name=>"update", -style=>$these_widths. "; font-weight:bold", 796 -value=>"Update Set"), 797 CGI::submit(-name=>"rerandomize", 798 -style=>$these_widths, 799 -value=>"Rerandomize"), 800 CGI::submit(-name=>"cleardisplay", 801 -style=>$these_widths, 802 -value=>"Clear Problem Display") 803 )), 804 CGI::end_table())); 805 } 806 807 sub make_data_row { 808 my $self = shift; 809 my $sourceFileName = shift; 810 my $pg = shift; 811 my $cnt = shift; 812 my $mark = shift || 0; 813 814 $sourceFileName =~ s|^./||; # clean up top ugliness 815 816 my $urlpath = $self->r->urlpath; 817 my $problem_output = $pg->{flags}->{error_flag} ? 818 CGI::div({class=>"ResultsWithError"}, CGI::em("This problem produced an error")) 819 : CGI::div({class=>"RenderSolo"}, $pg->{body_text}); 820 $problem_output .= $pg->{flags}->{comment} if($pg->{flags}->{comment}); 821 822 823 #if($self->{r}->param('browse_which') ne 'browse_library') { 824 my $problem_seed = $self->{r}->param('problem_seed') || 0; 825 my $edit_link = CGI::a({href=>$self->systemLink( 826 $urlpath->newFromModule("WeBWorK::ContentGenerator::Instructor::PGProblemEditor", 827 courseID =>$urlpath->arg("courseID"), 828 setID=>"Undefined_Set", 829 problemID=>"1"), 830 params=>{sourceFilePath => "$sourceFileName", problemSeed=> $problem_seed} 831 )}, "Edit it" ); 832 833 my $displayMode = $self->r->param("mydisplayMode"); 834 $displayMode = $self->r->ce->{pg}->{options}->{displayMode} 835 if not defined $displayMode or $displayMode eq "None"; 836 my $try_link = CGI::a({href=>$self->systemLink( 837 $urlpath->newFromModule("WeBWorK::ContentGenerator::Problem", 838 courseID =>$urlpath->arg("courseID"), 839 setID=>"Undefined_Set", 840 problemID=>"1"), 841 params =>{ 842 effectiveUser => scalar($self->r->param('user')), 843 editMode => "SetMaker", 844 problemSeed=> $problem_seed, 845 sourceFilePath => "$sourceFileName", 846 displayMode => $displayMode, 847 } 848 )}, "Try it"); 849 850 my %add_box_data = ( -name=>"trial$cnt",-value=>1,-label=>"Add this problem to the target set on the next update"); 851 if($mark & SUCCESS) { 852 $add_box_data{ -label } .= " (just added this problem)"; 853 } elsif($mark & ADDED) { 854 $add_box_data{ -checked } = 1; 855 } 856 857 print CGI::Tr({-align=>"left"}, CGI::td( 858 CGI::div({-style=>"background-color: #DDDDDD; margin: 0px auto"}, 859 CGI::span({-style=>"float:left ; text-align: left"},"File name: $sourceFileName "), 860 CGI::span({-style=>"float:right ; text-align: right"}, $edit_link, " ", $try_link) 861 ), CGI::br(), 862 CGI::checkbox(-name=>"hideme$cnt",-value=>1,-label=>"Don't show this problem on the next update"), 863 CGI::br(), 864 CGI::checkbox((%add_box_data)), 865 CGI::hidden(-name=>"filetrial$cnt", -default=>[$sourceFileName]). 866 CGI::p($problem_output), 867 )); 868 } 869 870 sub clear_default { 871 my $r = shift; 872 my $param = shift; 873 my $default = shift; 874 my $newvalue = $r->param($param) || ''; 875 $newvalue = '' if($newvalue eq $default); 876 $r->param($param, $newvalue); 877 } 878 879 sub pre_header_initialize { 880 my ($self) = @_; 881 my $r = $self->r; 882 ## For all cases, lets set some things 883 $self->{error}=0; 884 my $ce = $r->ce; 885 my $db = $r->db; 886 my $maxShown = $r->param('max_shown') || MAX_SHOW_DEFAULT; 887 $maxShown = 10000000 if($maxShown eq 'All'); # let's hope there aren't more 888 my $library_basic = $r->param('library_is_basic') || 1; 889 890 ## Fix some parameters 891 clear_default($r,'library_subjects', ALL_SUBJECTS); 892 clear_default($r,'library_chapters', ALL_CHAPTERS); 893 clear_default($r,'library_sections', ALL_SECTIONS); 894 clear_default($r,'library_textbook', ALL_TEXTBOOKS); 895 896 ## These directories will have individual buttons 897 %problib = %{$ce->{courseFiles}{problibs}} if $ce->{courseFiles}{problibs}; 898 899 my $userName = $r->param('user'); 900 my $user = $db->getUser($userName); # checked 901 die "record for user $userName (real user) does not exist." 902 unless defined $user; 903 my $authz = $r->authz; 904 unless ($authz->hasPermissions($userName, "modify_problem_sets")) { 905 return(""); # Error message already produced in the body 906 } 907 908 ## Now one action we have to deal with here 909 if ($r->param('edit_local')) { 910 my $urlpath = $r->urlpath; 911 my $db = $r->db; 912 my $checkset = $db->getGlobalSet($r->param('local_sets')); 913 if (not defined($checkset)) { 914 $self->{error} = 1; 915 $self->addbadmessage('You need to select a "Target Set" before you can edit it.'); 916 } else { 917 my $page = $urlpath->newFromModule('WeBWorK::ContentGenerator::Instructor::ProblemSetDetail', setID=>$r->param('local_sets'), courseID=>$urlpath->arg("courseID")); 918 my $url = $self->systemLink($page); 919 $self->reply_with_redirect($url); 920 } 921 } 922 923 ## Next, lots of set up so that errors can be reported with message() 924 925 ############# List of problems we have already printed 926 927 $self->{past_problems} = get_past_problem_files($r); 928 # if we don't end up reusing problems, this will be wiped out 929 # if we do redisplay the same problems, we must adjust this accordingly 930 my @past_marks = map {$_->[1]} @{$self->{past_problems}}; 931 my $none_shown = scalar(@{$self->{past_problems}})==0; 932 my @pg_files=(); 933 my $use_previous_problems = 1; 934 my $first_shown = $r->param('first_shown') || 0; 935 my $last_shown = $r->param('last_shown'); 936 if (not defined($last_shown)) { 937 $last_shown = -1; 938 } 939 my @all_past_list = (); # these are include requested, but not shown 940 my $j = 0; 941 while (defined($r->param("all_past_list$j"))) { 942 push @all_past_list, $r->param("all_past_list$j"); 943 $j++; 944 } 945 946 ############# Default of which problem selector to display 947 948 my $browse_which = $r->param('browse_which') || 'browse_local'; 949 950 my $problem_seed = $r->param('problem_seed') || 0; 951 $r->param('problem_seed', $problem_seed); # if it wasn't defined before 952 953 ## check for problem lib buttons 954 my $browse_lib = ''; 955 foreach my $lib (keys %problib) { 956 if ($r->param("browse_$lib")) { 957 $browse_lib = "browse_$lib"; 958 last; 959 } 960 } 961 962 ########### Start the logic through if elsif elsif ... 963 964 ##### Asked to browse certain problems 965 if ($browse_lib ne '') { 966 $browse_which = $browse_lib; 967 $r->param('library_sets', ""); 968 $use_previous_problems = 0; @pg_files = (); ## clear old problems 969 } elsif ($r->param('browse_library')) { 970 $browse_which = 'browse_library'; 971 $r->param('library_sets', ""); 972 $use_previous_problems = 0; @pg_files = (); ## clear old problems 973 } elsif ($r->param('browse_local')) { 974 $browse_which = 'browse_local'; 975 $r->param('library_sets', ""); 976 $use_previous_problems = 0; @pg_files = (); ## clear old problems 977 } elsif ($r->param('browse_mysets')) { 978 $browse_which = 'browse_mysets'; 979 $r->param('library_sets', ""); 980 $use_previous_problems = 0; @pg_files = (); ## clear old problems 981 } elsif ($r->param('browse_setdefs')) { 982 $browse_which = 'browse_setdefs'; 983 $r->param('library_sets', ""); 984 $use_previous_problems = 0; @pg_files = (); ## clear old problems 985 986 ##### Change the seed value 987 988 } elsif ($r->param('rerandomize')) { 989 $problem_seed++; 990 $r->param('problem_seed', $problem_seed); 991 $self->addbadmessage('Changing the problem seed for display, but there are no problems showing.') if $none_shown; 992 993 ##### Clear the display 994 995 } elsif ($r->param('cleardisplay')) { 996 @pg_files = (); 997 $use_previous_problems=0; 998 $self->addbadmessage('The display was already cleared.') if $none_shown; 999 1000 ##### View problems selected from the local list 1001 1002 } elsif ($r->param('view_local_set')) { 1003 1004 my $set_to_display = $r->param('library_sets'); 1005 if (not defined($set_to_display) or $set_to_display eq SELECT_LOCAL_STRING or $set_to_display eq "Found no directories containing problems") { 1006 $self->addbadmessage('You need to select a set to view.'); 1007 } else { 1008 $set_to_display = '.' if $set_to_display eq MY_PROBLEMS; 1009 $set_to_display = substr($browse_which,7) if $set_to_display eq MAIN_PROBLEMS; 1010 @pg_files = list_pg_files($ce->{courseDirs}->{templates}, 1011 "$set_to_display"); 1012 $use_previous_problems=0; 1013 } 1014 1015 ##### View problems selected from the a set in this course 1016 1017 } elsif ($r->param('view_mysets_set')) { 1018 1019 my $set_to_display = $r->param('library_sets'); 1020 if (not defined($set_to_display) 1021 or $set_to_display eq "Select a Homework Set" 1022 or $set_to_display eq NO_LOCAL_SET_STRING) { 1023 $self->addbadmessage("You need to select a set from this course to view."); 1024 } else { 1025 my @problemList = $db->listGlobalProblems($set_to_display); 1026 my $problem; 1027 @pg_files=(); 1028 for $problem (@problemList) { 1029 my $problemRecord = $db->getGlobalProblem($set_to_display, $problem); # checked 1030 die "global $problem for set $set_to_display not found." unless 1031 $problemRecord; 1032 push @pg_files, $problemRecord->source_file; 1033 1034 } 1035 $use_previous_problems=0; 1036 } 1037 1038 ##### View from the library database 1039 1040 } elsif ($r->param('lib_view')) { 1041 1042 @pg_files=(); 1043 my @dbsearch = WeBWorK::Utils::ListingDB::getSectionListings($r); 1044 my ($result, $tolibpath); 1045 for $result (@dbsearch) { 1046 $tolibpath = "Library/$result->{path}/$result->{filename}"; 1047 1048 ## Too clunky!!!! 1049 push @pg_files, $tolibpath; 1050 } 1051 $use_previous_problems=0; 1052 1053 ##### View a set from a set*.def 1054 1055 } elsif ($r->param('view_setdef_set')) { 1056 1057 my $set_to_display = $r->param('library_sets'); 1058 if (not defined($set_to_display) 1059 or $set_to_display eq "Select a Set Definition File" 1060 or $set_to_display eq NO_LOCAL_SET_STRING) { 1061 $self->addbadmessage("You need to select a set from this course to view."); 1062 } else { 1063 @pg_files= $self->read_set_def($set_to_display); 1064 } 1065 $use_previous_problems=0; 1066 1067 ##### Edit the current local problem set 1068 1069 } elsif ($r->param('edit_local')) { ## Jump to set edit page 1070 1071 ; # already handled 1072 1073 1074 ##### Make a new local problem set 1075 1076 } elsif ($r->param('new_local_set')) { 1077 if ($r->param('new_set_name') !~ /^[\w .-]*$/) { 1078 $self->addbadmessage("The name ".$r->param('new_set_name')." is not a valid set name. Use only letters, digits, -, _, and ."); 1079 } else { 1080 my $newSetName = $r->param('new_set_name'); 1081 # if we want to munge the input set name, do it here 1082 $newSetName =~ s/\s/_/g; 1083 $r->param('local_sets',$newSetName); 1084 my $newSetRecord = $db->getGlobalSet($newSetName); 1085 if (defined($newSetRecord)) { 1086 $self->addbadmessage("The set name $newSetName is already in use. Pick a different name if you would like to start a new set."); 1087 } else { # Do it! 1088 $newSetRecord = $db->{set}->{record}->new(); 1089 $newSetRecord->set_id($newSetName); 1090 $newSetRecord->set_header(""); 1091 $newSetRecord->hardcopy_header(""); 1092 $newSetRecord->open_date(time()+60*60*24*7); # in one week 1093 $newSetRecord->due_date(time()+60*60*24*7*2); # in two weeks 1094 $newSetRecord->answer_date(time()+60*60*24*7*3); # in three weeks 1095 eval {$db->addGlobalSet($newSetRecord)}; 1096 if ($@) { 1097 $self->addbadmessage("Problem creating set $newSetName<br> $@"); 1098 } else { 1099 $self->addgoodmessage("Set $newSetName has been created."); 1100 my $selfassign = $r->param('selfassign') || ""; 1101 $selfassign = "" if($selfassign =~ /false/i); # deal with javascript false 1102 if($selfassign) { 1103 $self->assignSetToUser($userName, $newSetRecord); 1104 $self->addgoodmessage("Set $newSetName was assigned to $userName."); 1105 } 1106 } 1107 } 1108 } 1109 1110 ##### Add selected problems to the current local set 1111 1112 } elsif ($r->param('update')) { 1113 ## first handle problems to be added before we hide them 1114 my($localSet, @selected); 1115 1116 @pg_files = grep {($_->[1] & ADDED) != 0 } @{$self->{past_problems}}; 1117 @selected = map {$_->[0]} @pg_files; 1118 1119 my @action_files = grep {$_->[1] > 0 } @{$self->{past_problems}}; 1120 # There are now good reasons to do an update without selecting anything. 1121 #if(scalar(@action_files) == 0) { 1122 # $self->addbadmessage('Update requested, but no problems were marked.'); 1123 #} 1124 1125 if (scalar(@selected)>0) { # if some are to be added, they need a place to go 1126 $localSet = $r->param('local_sets'); 1127 if (not defined($localSet) or 1128 $localSet eq SELECT_SET_STRING or 1129 $localSet eq NO_LOCAL_SET_STRING) { 1130 $self->addbadmessage('You are trying to add problems to something, but you did not select a "Target Set" name as a target.'); 1131 } else { 1132 my $newSetRecord = $db->getGlobalSet($localSet); 1133 if (not defined($newSetRecord)) { 1134 $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."); 1135 } else { 1136 my $addcount = add_selected($self, $db, $localSet); 1137 if($addcount > 0) { 1138 $self->addgoodmessage("Added $addcount problem".(($addcount>1)?'s':''). 1139 " to $localSet."); 1140 } 1141 } 1142 } 1143 } 1144 ## now handle problems to be hidden 1145 1146 ## only keep the ones which are not hidden 1147 @pg_files = grep {($_->[1] & HIDDEN) ==0 } @{$self->{past_problems}}; 1148 @past_marks = map {$_->[1]} @pg_files; 1149 @pg_files = map {$_->[0]} @pg_files; 1150 @all_past_list = (@all_past_list[0..($first_shown-1)], 1151 @pg_files, 1152 @all_past_list[($last_shown+1)..(scalar(@all_past_list)-1)]); 1153 $last_shown = $first_shown+$maxShown -1; 1154 $last_shown = (scalar(@all_past_list)-1) if($last_shown>=scalar(@all_past_list)); 1155 1156 } elsif ($r->param('next_page')) { 1157 $first_shown = $last_shown+1; 1158 $last_shown = $first_shown+$maxShown-1; 1159 $last_shown = (scalar(@all_past_list)-1) if($last_shown>=scalar(@all_past_list)); 1160 @past_marks = (); 1161 } elsif ($r->param('prev_page')) { 1162 $last_shown = $first_shown-1; 1163 $first_shown = $last_shown - $maxShown+1; 1164 1165 $first_shown = 0 if($first_shown<0); 1166 @past_marks = (); 1167 1168 } elsif ($r->param('select_all')) { 1169 @past_marks = map {1} @past_marks; 1170 } elsif ($r->param('library_basic')) { 1171 $library_basic = 1; 1172 for my $jj (qw(textchapter textsection textbook)) { 1173 $r->param('library_'.$jj,''); 1174 } 1175 } elsif ($r->param('library_advanced')) { 1176 $library_basic = 2; 1177 } elsif ($r->param('library_reset')) { 1178 for my $jj (qw(chapters sections subjects textbook keywords)) { 1179 $r->param('library_'.$jj,''); 1180 } 1181 } elsif ($r->param('select_none')) { 1182 @past_marks = (); 1183 1184 ##### No action requested, probably our first time here 1185 1186 } else { 1187 #my $c = $r->connection; 1188 #print "Debug info: ". $r->get_remote_host ."<p>". $c->remote_ip ; 1189 ; 1190 } ##### end of the if elsif ... 1191 1192 1193 ############# List of local sets 1194 1195 my @all_db_sets = $db->listGlobalSets; 1196 @all_db_sets = sortByName(undef, @all_db_sets); 1197 1198 if ($use_previous_problems) { 1199 @pg_files = @all_past_list; 1200 } else { 1201 $first_shown = 0; 1202 $last_shown = scalar(@pg_files)<$maxShown ? scalar(@pg_files) : $maxShown; 1203 $last_shown--; # to make it an array index 1204 @past_marks = (); 1205 } 1206 ############# Now store data in self for retreival by body 1207 $self->{first_shown} = $first_shown; 1208 $self->{last_shown} = $last_shown; 1209 $self->{browse_which} = $browse_which; 1210 $self->{problem_seed} = $problem_seed; 1211 $self->{pg_files} = \@pg_files; 1212 $self->{past_marks} = \@past_marks; 1213 $self->{all_db_sets} = \@all_db_sets; 1214 $self->{library_basic} = $library_basic; 1215 } 1216 1217 1218 sub title { 1219 return "Library Browser"; 1220 } 1221 1222 # hide view options panel since it distracts from SetMaker's built-in view options 1223 sub options { 1224 return ""; 1225 } 1226 1227 sub body { 1228 my ($self) = @_; 1229 1230 my $r = $self->r; 1231 my $ce = $r->ce; # course environment 1232 my $db = $r->db; # database 1233 my $j; # garden variety counter 1234 1235 my $userName = $r->param('user'); 1236 1237 my $user = $db->getUser($userName); # checked 1238 die "record for user $userName (real user) does not exist." 1239 unless defined $user; 1240 1241 ### Check that this is a professor 1242 my $authz = $r->authz; 1243 unless ($authz->hasPermissions($userName, "modify_problem_sets")) { 1244 print "User $userName returned " . 1245 $authz->hasPermissions($user, "modify_problem_sets") . 1246 " for permission"; 1247 return(CGI::div({class=>'ResultsWithError'}, 1248 CGI::em("You are not authorized to access the Instructor tools."))); 1249 } 1250 1251 ########## Extract information computed in pre_header_initialize 1252 1253 my $first_shown = $self->{first_shown}; 1254 my $last_shown = $self->{last_shown}; 1255 my $browse_which = $self->{browse_which}; 1256 my $problem_seed = $self->{problem_seed}; 1257 my @pg_files = @{$self->{pg_files}}; 1258 my @all_db_sets = @{$self->{all_db_sets}}; 1259 1260 my @pg_html=($last_shown>=$first_shown) ? 1261 renderProblems(r=> $r, 1262 user => $user, 1263 problem_list => [@pg_files[$first_shown..$last_shown]], 1264 displayMode => $r->param('mydisplayMode')) : (); 1265 1266 ########## Top part 1267 print CGI::startform({-method=>"POST", -action=>$r->uri, -name=>'mainform'}), 1268 $self->hidden_authen_fields, 1269 '<div align="center">', 1270 CGI::start_table({-border=>2}); 1271 $self->make_top_row('all_db_sets'=>\@all_db_sets, 1272 'browse_which'=> $browse_which); 1273 print CGI::hidden(-name=>'browse_which', -default=>[$browse_which]), 1274 CGI::hidden(-name=>'problem_seed', -default=>[$problem_seed]); 1275 for ($j = 0 ; $j < scalar(@pg_files) ; $j++) { 1276 print CGI::hidden(-name=>"all_past_list$j", -default=>$pg_files[$j]); 1277 } 1278 1279 print CGI::hidden(-name=>'first_shown', -default=>[$first_shown]); 1280 print CGI::hidden(-name=>'last_shown', -default=>[$last_shown]); 1281 1282 1283 ########## Now print problems 1284 my $jj; 1285 for ($jj=0; $jj<scalar(@pg_html); $jj++) { 1286 $pg_files[$jj] =~ s|^$ce->{courseDirs}->{templates}/?||; 1287 $self->make_data_row($pg_files[$jj+$first_shown], $pg_html[$jj], $jj+1, $self->{past_marks}->[$jj]); 1288 } 1289 1290 ########## Finish things off 1291 print CGI::end_table(); 1292 print '</div>'; 1293 # if($first_shown>0 or (1+$last_shown)<scalar(@pg_files)) { 1294 my ($next_button, $prev_button) = ("", ""); 1295 if ($first_shown > 0) { 1296 $prev_button = CGI::submit(-name=>"prev_page", -style=>"width:15ex", 1297 -value=>"Previous page"); 1298 } 1299 if ((1+$last_shown)<scalar(@pg_files)) { 1300 $next_button = CGI::submit(-name=>"next_page", -style=>"width:15ex", 1301 -value=>"Next page"); 1302 } 1303 if (scalar(@pg_files)>0) { 1304 print CGI::p(($first_shown+1)."-".($last_shown+1)." of ".scalar(@pg_files). 1305 " shown.", $prev_button, " ", $next_button); 1306 } 1307 # } 1308 print CGI::endform(), "\n"; 1309 1310 return ""; 1311 } 1312 1313 =head1 AUTHOR 1314 1315 Written by John Jones, jj (at) asu.edu. 1316 1317 =cut 1318 1319 1;
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