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More improvements on library - advanced panel. Still a work in progress.
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 1.42 2005/07/26 22:28:56 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::Form; 32 use WeBWorK::Utils qw(readDirectory max sortByName); 33 use WeBWorK::Utils::Tasks qw(renderProblems); 34 use File::Find; 35 36 require WeBWorK::Utils::ListingDB; 37 38 use constant MAX_SHOW_DEFAULT => 20; 39 use constant NO_LOCAL_SET_STRING => 'No sets in this course yet'; 40 use constant SELECT_SET_STRING => 'Select a Set from this Course'; 41 use constant SELECT_LOCAL_STRING => 'Select a Problem Collection'; 42 use constant MY_PROBLEMS => ' My Problems '; 43 use constant MAIN_PROBLEMS => ' Main Problems '; 44 use constant CREATE_SET_BUTTON => 'Create New Set'; 45 use constant ALL_CHAPTERS => 'All Chapters'; 46 use constant ALL_SUBJECTS => 'All Subjects'; 47 use constant ALL_SECTIONS => 'All Sections'; 48 use constant ALL_TEXTBOOKS => 'All Textbooks'; 49 50 ## Flags for operations on files 51 52 use constant ADDED => 1; 53 use constant HIDDEN => (1 << 1); 54 use constant SUCCESS => (1 << 2); 55 56 ## for additional problib buttons 57 my %problib; ## filled in in global.conf 58 my %ignoredir = ( 59 '.' => 1, '..' => 1, 'Library' => 1, 60 'headers' => 1, 'macros' => 1, 'email' => 1, 61 ); 62 63 ## This is for searching the disk for directories containing pg files. 64 ## to make the recursion work, this returns an array where the first 65 ## item is the number of pg files in the directory. The second is a 66 ## list of directories which contain pg files. 67 ## 68 ## If a directory contains only one pg file and at least one other 69 ## file, the directory is considered to be part of the parent 70 ## directory (it is probably in a separate directory only because 71 ## it has auxiliarly files that want to be kept together with the 72 ## pg file). 73 ## 74 ## If a directory has a file named "=library-ignore", it is never 75 ## included in the directory menu. If a directory contains a file 76 ## called "=library-combine-up", then its pg are included with those 77 ## in the parent directory (and the directory does not appear in the 78 ## menu). If it has a file called "=library-no-combine" then it is 79 ## always listed as a separate directory even if it contains only one 80 ## pg file. 81 82 sub get_library_sets { 83 my $top = shift; my $dir = shift; 84 # ignore directories that give us an error 85 my @lis = eval { readDirectory($dir) }; 86 if ($@) { 87 warn $@; 88 return (0); 89 } 90 return (0) if grep /^=library-ignore$/, @lis; 91 92 my @pgdirs; 93 94 my $pgcount = scalar(grep { m/\.pg$/ and (not m/(Header|-text)\.pg$/) and -f "$dir/$_"} @lis); 95 my $others = scalar(grep { (!m/\.pg$/ || m/(Header|-text)\.pg$/) && 96 !m/(\.(tmp|bak)|~)$/ && -f "$dir/$_" } @lis); 97 98 my @dirs = grep {!$ignoredir{$_} and -d "$dir/$_"} @lis; 99 if ($top == 1) {@dirs = grep {!$problib{$_}} @dirs} 100 foreach my $subdir (@dirs) { 101 my @results = get_library_sets(0, "$dir/$subdir"); 102 $pgcount += shift @results; push(@pgdirs,@results); 103 } 104 105 return ($pgcount, @pgdirs) if $top || $pgcount == 0 || grep /^=library-combine-up$/, @lis; 106 return (0,@pgdirs,$dir) if $pgcount > 1 || $others == 0 || grep /^=library-no-combine$/, @lis; 107 return ($pgcount, @pgdirs); 108 } 109 110 sub get_library_pgs { 111 my $top = shift; my $base = shift; my $dir = shift; 112 my @lis = readDirectory("$base/$dir"); 113 return () if grep /^=library-ignore$/, @lis; 114 return () if !$top && grep /^=library-no-combine$/, @lis; 115 116 my @pgs = grep { m/\.pg$/ and (not m/(Header|-text)\.pg$/) and -f "$base/$dir/$_"} @lis; 117 my $others = scalar(grep { (!m/\.pg$/ || m/(Header|-text)\.pg$/) && 118 !m/(\.(tmp|bak)|~)$/ && -f "$base/$dir/$_" } @lis); 119 120 my @dirs = grep {!$ignoredir{$_} and -d "$base/$dir/$_"} @lis; 121 if ($top == 1) {@dirs = grep {!$problib{$_}} @dirs} 122 foreach my $subdir (@dirs) {push(@pgs, get_library_pgs(0,"$base/$dir",$subdir))} 123 124 return () unless $top || (scalar(@pgs) == 1 && $others) || grep /^=library-combine-up$/, @lis; 125 return (map {"$dir/$_"} @pgs); 126 } 127 128 sub list_pg_files { 129 my ($templates,$dir) = @_; 130 my $top = ($dir eq '.')? 1 : 2; 131 my @pgs = get_library_pgs($top,$templates,$dir); 132 return sortByName(undef,@pgs); 133 } 134 135 ## Search for set definition files 136 137 # initialize global variable for search 138 my @found_set_defs = (); 139 140 sub get_set_defs_wanted { 141 my $fn = $_; 142 my $fdir = $File::Find::dir; 143 return() if($fn !~ /^set.*\.def$/); 144 #return() if(not -T $fn); 145 push @found_set_defs, "$fdir/$fn"; 146 } 147 148 sub get_set_defs { 149 my $topdir = shift; 150 @found_set_defs = (); 151 find({ wanted => \&get_set_defs_wanted, follow_fast=>1}, $topdir); 152 map { $_ =~ s|^$topdir/?|| } @found_set_defs; 153 return @found_set_defs; 154 } 155 156 ## Try to make reading of set defs more flexible. Additional strategies 157 ## for fixing a path can be added here. 158 159 sub munge_pg_file_path { 160 my $self = shift; 161 my $pg_path = shift; 162 my $path_to_set_def = shift; 163 my $end_path = $pg_path; 164 # if the path is ok, don't fix it 165 return($pg_path) if(-e $self->r->ce->{courseDirs}{templates}."/$pg_path"); 166 # if we have followed a link into a self contained course to get 167 # to the set.def file, we need to insert the start of the path to 168 # the set.def file 169 $end_path = "$path_to_set_def/$pg_path"; 170 return($end_path) if(-e $self->r->ce->{courseDirs}{templates}."/$end_path"); 171 # if we got this far, this path is bad, but we let it produce 172 # an error so the user knows there is a troublesome path in the 173 # set.def file. 174 return($pg_path); 175 } 176 177 ## Read a set definition file. This could be abstracted since it happens 178 ## elsewhere. Here we don't have to process so much of the file. 179 180 sub read_set_def { 181 my $self = shift; 182 my $r = $self->r; 183 my $filePathOrig = shift; 184 my $filePath = $r->ce->{courseDirs}{templates}."/$filePathOrig"; 185 $filePathOrig =~ s/set.*\.def$//; 186 $filePathOrig =~ s|/$||; 187 $filePathOrig = "." if ($filePathOrig !~ /\S/); 188 my @pg_files = (); 189 my ($line, $got_to_pgs, $name, @rest) = ("", 0, ""); 190 if ( open (SETFILENAME, "$filePath") ) { 191 while($line = <SETFILENAME>) { 192 chomp($line); 193 $line =~ s|(#.*)||; # don't read past comments 194 if($got_to_pgs) { 195 unless ($line =~ /\S/) {next;} # skip blank lines 196 ($name,@rest) = split (/\s*,\s*/,$line); 197 $name =~ s/\s*//g; 198 push @pg_files, $name; 199 } else { 200 $got_to_pgs = 1 if ($line =~ /problemList\s*=/); 201 } 202 } 203 } else { 204 $self->addbadmessage("Cannot open $filePath"); 205 } 206 # This is where we would potentially munge the pg file paths 207 # One possibility 208 @pg_files = map { $self->munge_pg_file_path($_, $filePathOrig) } @pg_files; 209 return(@pg_files); 210 } 211 212 ## go through past page getting a list of identifiers for the problems 213 ## and whether or not they are selected, and whether or not they should 214 ## be hidden 215 216 sub get_past_problem_files { 217 my $r = shift; 218 my @found=(); 219 my $count =1; 220 while (defined($r->param("filetrial$count"))) { 221 my $val = 0; 222 $val |= ADDED if($r->param("trial$count")); 223 $val |= HIDDEN if($r->param("hideme$count")); 224 push @found, [$r->param("filetrial$count"), $val]; 225 $count++; 226 } 227 return(\@found); 228 } 229 230 #### For adding new problems 231 232 sub add_selected { 233 my $self = shift; 234 my $db = shift; 235 my $setName = shift; 236 my @past_problems = @{$self->{past_problems}}; 237 my @selected = @past_problems; 238 my (@path, $file, $selected, $freeProblemID); 239 $freeProblemID = max($db->listGlobalProblems($setName)) + 1; 240 my $addedcount=0; 241 242 for $selected (@selected) { 243 if($selected->[1] & ADDED) { 244 $file = $selected->[0]; 245 my $problemRecord = $self->addProblemToSet(setName => $setName, 246 sourceFile => $file, problemID => $freeProblemID); 247 $freeProblemID++; 248 $self->assignProblemToAllSetUsers($problemRecord); 249 $selected->[1] |= SUCCESS; 250 $addedcount++; 251 } 252 } 253 return($addedcount); 254 } 255 256 257 ############# List of sets of problems in templates directory 258 259 sub get_problem_directories { 260 my $ce = shift; 261 my $lib = shift; 262 my $source = $ce->{courseDirs}{templates}; 263 my $main = MY_PROBLEMS; my $isTop = 1; 264 if ($lib) {$source .= "/$lib"; $main = MAIN_PROBLEMS; $isTop = 2} 265 my @all_problem_directories = get_library_sets($isTop, $source); 266 my $includetop = shift @all_problem_directories; 267 my $j; 268 for ($j=0; $j<scalar(@all_problem_directories); $j++) { 269 $all_problem_directories[$j] =~ s|^$ce->{courseDirs}->{templates}/?||; 270 } 271 @all_problem_directories = sortByName(undef, @all_problem_directories); 272 unshift @all_problem_directories, $main if($includetop); 273 return (\@all_problem_directories); 274 } 275 276 ############# Everyone has a view problems line. Abstract it 277 sub view_problems_line { 278 my $internal_name = shift; 279 my $label = shift; 280 my $r = shift; # so we can get parameter values 281 my $result = CGI::submit(-name=>"$internal_name", -value=>$label); 282 283 my %display_modes = %{WeBWorK::PG::DISPLAY_MODES()}; 284 my @active_modes = grep { exists $display_modes{$_} } 285 @{$r->ce->{pg}->{displayModes}}; 286 push @active_modes, 'None'; 287 # We have our own displayMode since its value may be None, which is illegal 288 # in other modules. 289 my $mydisplayMode = $r->param('mydisplayMode') || $r->ce->{pg}->{options}->{displayMode}; 290 $result .= ' Display Mode: '.CGI::popup_menu(-name=> 'mydisplayMode', 291 -values=>\@active_modes, 292 -default=> $mydisplayMode); 293 # Now we give a choice of the number of problems to show 294 my $defaultMax = $r->param('max_shown') || MAX_SHOW_DEFAULT; 295 $result .= ' Max. Shown: '. 296 CGI::popup_menu(-name=> 'max_shown', 297 -values=>[5,10,15,20,25,30,50,'All'], 298 -default=> $defaultMax); 299 300 return($result); 301 } 302 303 304 ### The browsing panel has three versions 305 ##### Version 1 is local problems 306 sub browse_local_panel { 307 my $self = shift; 308 my $library_selected = shift; 309 my $lib = shift || ''; $lib =~ s/^browse_//; 310 my $name = ($lib eq '')? 'Local' : $problib{$lib}; 311 312 my $list_of_prob_dirs= get_problem_directories($self->r->ce,$lib); 313 if(scalar(@$list_of_prob_dirs) == 0) { 314 $library_selected = "Found no directories containing problems"; 315 unshift @{$list_of_prob_dirs}, $library_selected; 316 } else { 317 my $default_value = SELECT_LOCAL_STRING; 318 if (not $library_selected or $library_selected eq $default_value) { 319 unshift @{$list_of_prob_dirs}, $default_value; 320 $library_selected = $default_value; 321 } 322 } 323 my $view_problem_line = view_problems_line('view_local_set', 'View Problems', $self->r); 324 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "$name Problems: ", 325 CGI::popup_menu(-name=> 'library_sets', 326 -values=>$list_of_prob_dirs, 327 -default=> $library_selected), 328 CGI::br(), 329 $view_problem_line, 330 )); 331 } 332 333 ##### Version 2 is local problem sets 334 sub browse_mysets_panel { 335 my $self = shift; 336 my $library_selected = shift; 337 my $list_of_local_sets = shift; 338 my $default_value = "Select a Homework Set"; 339 340 if(scalar(@$list_of_local_sets) == 0) { 341 $list_of_local_sets = [NO_LOCAL_SET_STRING]; 342 } elsif (not $library_selected or $library_selected eq $default_value) { 343 unshift @{$list_of_local_sets}, $default_value; 344 $library_selected = $default_value; 345 } 346 347 my $view_problem_line = view_problems_line('view_mysets_set', 'View Problems', $self->r); 348 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "Browse from: ", 349 CGI::popup_menu(-name=> 'library_sets', 350 -values=>$list_of_local_sets, 351 -default=> $library_selected), 352 CGI::br(), 353 $view_problem_line 354 )); 355 } 356 357 ##### Version 3 is the problem library 358 # 359 # This comes in 3 forms, problem library version 1, and for version 2 there 360 # is the basic, and the advanced interfaces. This function checks what we are 361 # supposed to do, or aborts if the problem library has not been installed. 362 363 sub browse_library_panel { 364 my $self=shift; 365 my $r = $self->r; 366 my $ce = $r->ce; 367 368 # See if the problem library is installed 369 my $libraryRoot = $r->{ce}->{problemLibrary}->{root}; 370 371 unless($libraryRoot) { 372 print CGI::Tr(CGI::td(CGI::div({class=>'ResultsWithError', align=>"center"}, 373 "The problem library has not been installed."))); 374 return; 375 } 376 # Test if the Library directory link exists. If not, try to make it 377 unless(-d "$ce->{courseDirs}->{templates}/Library") { 378 unless(symlink($libraryRoot, "$ce->{courseDirs}->{templates}/Library")) { 379 my $msg = <<"HERE"; 380 You are missing the directory <code>templates/Library</code>, which is needed 381 for the Problem Library to function. It should be a link pointing to 382 <code>$libraryRoot</code>, which you set in <code>conf/global.conf</code>. 383 I tried to make the link for you, but that failed. Check the permissions 384 in your <code>templates</code> directory. 385 HERE 386 $self->addbadmessage($msg); 387 } 388 } 389 390 # Now check what version we are supposed to use 391 my $libraryVersion = $r->{ce}->{problemLibrary}->{version} || 1; 392 if($libraryVersion == 1) { 393 return $self->browse_library_panel1; 394 } elsif($libraryVersion == 2) { 395 return $self->browse_library_panel2 if($self->{library_basic}==1); 396 return $self->browse_library_panel2adv; 397 } else { 398 print CGI::Tr(CGI::td(CGI::div({class=>'ResultsWithError', align=>"center"}, 399 "The problem library version is set to an illegal value."))); 400 return; 401 } 402 } 403 404 sub browse_library_panel1 { 405 my $self = shift; 406 my $r = $self->r; 407 my $ce = $r->ce; 408 409 my @chaps = WeBWorK::Utils::ListingDB::getAllChapters($r->{ce}); 410 unshift @chaps, ALL_CHAPTERS; 411 my $chapter_selected = $r->param('library_chapters') || ALL_CHAPTERS; 412 413 my @sects=(); 414 if ($chapter_selected ne ALL_CHAPTERS) { 415 @sects = WeBWorK::Utils::ListingDB::getAllSections($r->{ce}, $chapter_selected); 416 } 417 418 unshift @sects, ALL_SECTIONS; 419 my $section_selected = $r->param('library_sections') || ALL_SECTIONS; 420 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r); 421 422 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, 423 CGI::start_table(), 424 CGI::Tr( 425 CGI::td(["Chapter:", 426 CGI::popup_menu(-name=> 'library_chapters', 427 -values=>\@chaps, 428 -default=> $chapter_selected, 429 -onchange=>"submit();return true" 430 ), 431 CGI::submit(-name=>"lib_select_chapter", -value=>"Update Section List")])), 432 CGI::Tr( 433 CGI::td("Section:"), 434 CGI::td({-colspan=>2}, 435 CGI::popup_menu(-name=> 'library_sections', 436 -values=>\@sects, 437 -default=> $section_selected 438 ))), 439 440 CGI::Tr(CGI::td({-colspan=>3}, $view_problem_line)), 441 CGI::end_table(), 442 )); 443 } 444 445 sub browse_library_panel2 { 446 my $self = shift; 447 my $r = $self->r; 448 my $ce = $r->ce; 449 450 my @subjs = WeBWorK::Utils::ListingDB::getAllDBsubjects($r); 451 unshift @subjs, ALL_SUBJECTS; 452 453 my @chaps = WeBWorK::Utils::ListingDB::getAllDBchapters($r); 454 unshift @chaps, ALL_CHAPTERS; 455 456 my @sects=(); 457 @sects = WeBWorK::Utils::ListingDB::getAllDBsections($r); 458 unshift @sects, ALL_SECTIONS; 459 460 my $subject_selected = $r->param('library_subjects') || ALL_SUBJECTS; 461 my $chapter_selected = $r->param('library_chapters') || ALL_CHAPTERS; 462 my $section_selected = $r->param('library_sections') || ALL_SECTIONS; 463 464 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r); 465 466 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, 467 CGI::hidden(-name=>"library_is_basic", -default=>[1]), 468 CGI::start_table({-width=>"100%"}), 469 CGI::Tr( 470 CGI::td(["Subject:", 471 CGI::popup_menu(-name=> 'library_subjects', 472 -values=>\@subjs, 473 -default=> $subject_selected, 474 -onchange=>"submit();return true" 475 )]), 476 CGI::td({-colspan=>2, -align=>"right"}, 477 CGI::submit(-name=>"lib_select_subject", -value=>"Update Chapter/Section Lists")) 478 ), 479 CGI::Tr( 480 CGI::td(["Chapter:", 481 CGI::popup_menu(-name=> 'library_chapters', 482 -values=>\@chaps, 483 -default=> $chapter_selected, 484 -onchange=>"submit();return true" 485 )]), 486 CGI::td({-colspan=>2, -align=>"right"}, 487 CGI::submit(-name=>"library_advanced", -value=>"Advanced Search")) 488 ), 489 CGI::Tr( 490 CGI::td(["Section:", 491 CGI::popup_menu(-name=> 'library_sections', 492 -values=>\@sects, 493 -default=> $section_selected 494 )]), 495 ), 496 CGI::Tr(CGI::td({-colspan=>3}, $view_problem_line)), 497 CGI::end_table(), 498 )); 499 500 } 501 502 sub browse_library_panel2adv { 503 my $self = shift; 504 my $r = $self->r; 505 my $ce = $r->ce; 506 my $right_button_style = "width: 18ex"; 507 508 my @subjs = WeBWorK::Utils::ListingDB::getAllDBsubjects($r); 509 unshift @subjs, ALL_SUBJECTS; 510 511 my @chaps = WeBWorK::Utils::ListingDB::getAllDBchapters($r); 512 unshift @chaps, ALL_CHAPTERS; 513 514 my @sects = WeBWorK::Utils::ListingDB::getAllDBsections($r); 515 unshift @sects, ALL_SECTIONS; 516 517 my $texts = WeBWorK::Utils::ListingDB::getDBTextbooks($r); 518 my @textarray = map { $_->[0] } @{$texts}; 519 my %textlabels = (); 520 for my $ta (@{$texts}) { 521 $textlabels{$ta->[0]} = $ta->[1]." by ".$ta->[2]." (edition ".$ta->[3].")"; 522 } 523 unshift @textarray, ALL_TEXTBOOKS; 524 my $atb = ALL_TEXTBOOKS; $textlabels{$atb} = ALL_TEXTBOOKS; 525 526 my $section_selected = $r->param('library_sections') || ALL_SECTIONS; 527 my $chapter_selected = $r->param('library_chapters') || ALL_CHAPTERS; 528 my $subject_selected = $r->param('library_subjects') || ALL_SUBJECTS; 529 my $textbook_selected = $r->param('library_textbook') || ALL_TEXTBOOKS; 530 531 my $text_popup = CGI::popup_menu(-name => 'library_textbook', 532 -values =>\@textarray, 533 -labels => \%textlabels, 534 -default=>$textbook_selected, 535 -onchange=>"submit();return true"); 536 537 my $library_keywords = $r->param('library_keywords') || ''; 538 539 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r); 540 541 my $count_line = WeBWorK::Utils::ListingDB::countDBListings($r); 542 if($count_line==0) { 543 $count_line = "There are no matching pg files"; 544 } else { 545 $count_line = "There are $count_line matching WeBWorK problem files"; 546 } 547 548 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, 549 CGI::hidden(-name=>"library_is_basic", -default=>[2]), 550 CGI::start_table({-width=>"100%"}), 551 # Html done by hand since it is temporary 552 CGI::Tr(CGI::td({-colspan=>4, -align=>"center"}, 'All Selected Constraints Joined by "And"')), 553 CGI::Tr( 554 CGI::td(["Subject:", 555 CGI::popup_menu(-name=> 'library_subjects', 556 -values=>\@subjs, 557 -default=> $subject_selected, 558 -onchange=>"submit();return true" 559 )]), 560 CGI::td({-colspan=>2, -align=>"right"}, 561 CGI::submit(-name=>"lib_select_subject", -value=>"Update Menus", 562 -style=> $right_button_style))), 563 CGI::Tr( 564 CGI::td(["Chapter:", 565 CGI::popup_menu(-name=> 'library_chapters', 566 -values=>\@chaps, 567 -default=> $chapter_selected, 568 -onchange=>"submit();return true" 569 )]), 570 CGI::td({-colspan=>2, -align=>"right"}, 571 CGI::submit(-name=>"library_reset", -value=>"Reset", 572 -style=>$right_button_style)) 573 ), 574 CGI::Tr( 575 CGI::td(["Section:", 576 CGI::popup_menu(-name=> 'library_sections', 577 -values=>\@sects, 578 -default=> $section_selected, 579 -onchange=>"submit();return true" 580 )]), 581 CGI::td({-colspan=>2, -align=>"right"}, 582 CGI::submit(-name=>"library_basic", -value=>"Basic Search", 583 -style=>$right_button_style)) 584 ), 585 CGI::Tr( 586 CGI::td(["Textbook:", $text_popup]), 587 ), 588 CGI::Tr(CGI::td("Keywords:"),CGI::td({-colspan=>2}, 589 CGI::textfield(-name=>"library_keywords", 590 -default=>$library_keywords, 591 -override=>1, 592 -size=>40))), 593 CGI::Tr(CGI::td({-colspan=>3}, $view_problem_line)), 594 CGI::Tr(CGI::td({-colspan=>3, -align=>"center"}, $count_line)), 595 CGI::end_table(), 596 )); 597 598 } 599 600 601 ##### Version 4 is the set definition file panel 602 603 sub browse_setdef_panel { 604 my $self = shift; 605 my $r = $self->r; 606 my $ce = $r->ce; 607 my $library_selected = shift; 608 my $default_value = "Select a Set Definition File"; 609 my @list_of_set_defs = get_set_defs($ce->{courseDirs}{templates}); 610 if(scalar(@list_of_set_defs) == 0) { 611 @list_of_set_defs = (NO_LOCAL_SET_STRING); 612 } elsif (not $library_selected or $library_selected eq $default_value) { 613 unshift @list_of_set_defs, $default_value; 614 $library_selected = $default_value; 615 } 616 my $view_problem_line = view_problems_line('view_setdef_set', 'View Problems', $self->r); 617 my $popupetc = CGI::popup_menu(-name=> 'library_sets', 618 -values=>\@list_of_set_defs, 619 -default=> $library_selected). 620 CGI::br(). $view_problem_line; 621 if($list_of_set_defs[0] eq NO_LOCAL_SET_STRING) { 622 $popupetc = "there are no set definition files in this course to look at." 623 } 624 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "Browse from: ", 625 $popupetc 626 )); 627 } 628 629 sub make_top_row { 630 my $self = shift; 631 my $r = $self->r; 632 my $ce = $r->ce; 633 my %data = @_; 634 635 my $list_of_local_sets = $data{all_db_sets}; 636 my $have_local_sets = scalar(@$list_of_local_sets); 637 my $browse_which = $data{browse_which}; 638 my $library_selected = $r->param('library_sets'); 639 my $set_selected = $r->param('local_sets'); 640 641 my ($dis1, $dis2, $dis3, $dis4) = ("","","", ""); 642 $dis1 = '-disabled' if($browse_which eq 'browse_library'); 643 $dis2 = '-disabled' if($browse_which eq 'browse_local'); 644 $dis3 = '-disabled' if($browse_which eq 'browse_mysets'); 645 $dis4 = '-disabled' if($browse_which eq 'browse_setdefs'); 646 647 ## Make buttons for additional problem libraries 648 my $libs = ''; 649 foreach my $lib (sort(keys(%problib))) { 650 $libs .= ' '. CGI::submit(-name=>"browse_$lib", -value=>$problib{$lib}, 651 ($browse_which eq "browse_$lib")? '-disabled': '') 652 if (-d "$ce->{courseDirs}{templates}/$lib"); 653 } 654 $libs = CGI::br()."or Problems from".$libs if $libs ne ''; 655 656 my $these_widths = "width: 23ex"; 657 658 if($have_local_sets ==0) { 659 $list_of_local_sets = [NO_LOCAL_SET_STRING]; 660 } elsif (not $set_selected or $set_selected eq SELECT_SET_STRING) { 661 unshift @{$list_of_local_sets}, SELECT_SET_STRING; 662 $set_selected = SELECT_SET_STRING; 663 } 664 my $myjs = 'document.mainform.selfassign.value=confirm("Should I assign the new set to you now?\nUse OK for yes and Cancel for no.");true;'; 665 666 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "Add problems to ", 667 CGI::b("Target Set: "), 668 CGI::popup_menu(-name=> 'local_sets', 669 -values=>$list_of_local_sets, 670 -default=> $set_selected), 671 CGI::submit(-name=>"edit_local", -value=>"Edit Target Set"), 672 CGI::hidden(-name=>"selfassign", -default=>[0]). 673 CGI::br(), 674 CGI::br(), 675 CGI::submit(-name=>"new_local_set", -value=>"Create a New Set in This Course:", 676 -onclick=>$myjs 677 ), 678 " ", 679 CGI::textfield(-name=>"new_set_name", 680 -default=>"Name for new set here", 681 -override=>1, -size=>30), 682 )); 683 684 print CGI::Tr(CGI::td({-bgcolor=>"black"})); 685 686 # Tidy this list up since it is used in two different places 687 if ($list_of_local_sets->[0] eq SELECT_SET_STRING) { 688 shift @{$list_of_local_sets}; 689 } 690 691 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"center"}, 692 "Browse ", 693 CGI::submit(-name=>"browse_library", -value=>"Problem Library", -style=>$these_widths, $dis1), 694 CGI::submit(-name=>"browse_local", -value=>"Local Problems", -style=>$these_widths, $dis2), 695 CGI::submit(-name=>"browse_mysets", -value=>"From This Course", -style=>$these_widths, $dis3), 696 CGI::submit(-name=>"browse_setdefs", -value=>"Set Definition Files", -style=>$these_widths, $dis4), 697 $libs, 698 )); 699 700 #print CGI::Tr(CGI::td({-bgcolor=>"black"})); 701 print CGI::hr(); 702 703 if ($browse_which eq 'browse_local') { 704 $self->browse_local_panel($library_selected); 705 } elsif ($browse_which eq 'browse_mysets') { 706 $self->browse_mysets_panel($library_selected, $list_of_local_sets); 707 } elsif ($browse_which eq 'browse_library') { 708 $self->browse_library_panel(); 709 } elsif ($browse_which eq 'browse_setdefs') { 710 $self->browse_setdef_panel($library_selected); 711 } else { ## handle other problem libraries 712 $self->browse_local_panel($library_selected,$browse_which); 713 } 714 715 print CGI::Tr(CGI::td({-bgcolor=>"black"})); 716 717 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"center"}, 718 CGI::start_table({-border=>"0"}), 719 CGI::Tr( CGI::td({ -align=>"center"}, 720 CGI::submit(-name=>"select_all", -style=>$these_widths, 721 -value=>"Mark All For Adding"), 722 CGI::submit(-name=>"select_none", -style=>$these_widths, 723 -value=>"Clear All Marks"), 724 )), 725 CGI::Tr(CGI::td( 726 CGI::submit(-name=>"update", -style=>$these_widths. "; font-weight:bold", 727 -value=>"Update Set"), 728 CGI::submit(-name=>"rerandomize", 729 -style=>$these_widths, 730 -value=>"Rerandomize"), 731 CGI::submit(-name=>"cleardisplay", 732 -style=>$these_widths, 733 -value=>"Clear Problem Display") 734 )), 735 CGI::end_table())); 736 } 737 738 sub make_data_row { 739 my $self = shift; 740 my $sourceFileName = shift; 741 my $pg = shift; 742 my $cnt = shift; 743 my $mark = shift || 0; 744 745 $sourceFileName =~ s|^./||; # clean up top ugliness 746 747 my $urlpath = $self->r->urlpath; 748 my $problem_output = $pg->{flags}->{error_flag} ? 749 CGI::div({class=>"ResultsWithError"}, CGI::em("This problem produced an error")) 750 : CGI::div({class=>"RenderSolo"}, $pg->{body_text}); 751 752 753 #if($self->{r}->param('browse_which') ne 'browse_library') { 754 my $problem_seed = $self->{r}->param('problem_seed') || 0; 755 my $edit_link = CGI::a({href=>$self->systemLink( 756 $urlpath->newFromModule("WeBWorK::ContentGenerator::Instructor::PGProblemEditor", 757 courseID =>$urlpath->arg("courseID"), 758 setID=>"Undefined_Set", 759 problemID=>"1"), 760 params=>{sourceFilePath => "$sourceFileName", problemSeed=> $problem_seed} 761 )}, "Edit it" ); 762 763 my $try_link = CGI::a({href=>$self->systemLink( 764 $urlpath->newFromModule("WeBWorK::ContentGenerator::Problem", 765 courseID =>$urlpath->arg("courseID"), 766 setID=>"Undefined_Set", 767 problemID=>"1"), 768 params =>{ 769 effectiveUser => scalar($self->r->param('user')), 770 editMode => "SetMaker", 771 problemSeed=> $problem_seed, 772 sourceFilePath => "$sourceFileName" 773 } 774 )}, "Try it"); 775 776 my %add_box_data = ( -name=>"trial$cnt",-value=>1,-label=>"Add this problem to the current set on the next update"); 777 if($mark & SUCCESS) { 778 $add_box_data{ -label } .= " (just added this problem)"; 779 } elsif($mark & ADDED) { 780 $add_box_data{ -checked } = 1; 781 } 782 783 print CGI::Tr({-align=>"left"}, CGI::td( 784 CGI::div({-style=>"background-color: #DDDDDD; margin: 0px auto"}, 785 CGI::span({-style=>"float:left ; text-align: left"},"File name: $sourceFileName "), 786 CGI::span({-style=>"float:right ; text-align: right"}, $edit_link, " ", $try_link) 787 ), CGI::br(), 788 CGI::checkbox(-name=>"hideme$cnt",-value=>1,-label=>"Don't show this problem on the next update"), 789 CGI::br(), 790 CGI::checkbox((%add_box_data)), 791 CGI::hidden(-name=>"filetrial$cnt", -default=>[$sourceFileName]). 792 CGI::p($problem_output), 793 )); 794 } 795 796 797 sub pre_header_initialize { 798 my ($self) = @_; 799 my $r = $self->r; 800 ## For all cases, lets set some things 801 $self->{error}=0; 802 my $ce = $r->ce; 803 my $db = $r->db; 804 my $maxShown = $r->param('max_shown') || MAX_SHOW_DEFAULT; 805 $maxShown = 10000000 if($maxShown eq 'All'); # let's hope there aren't more 806 my $library_basic = $r->param('library_is_basic') || 1; 807 808 ## Fix some parameters 809 $r->param('library_subjects', '') if($r->param('library_subjects') eq ALL_SUBJECTS); 810 $r->param('library_chapters', '') if($r->param('library_chapters') eq ALL_CHAPTERS); 811 $r->param('library_sections', '') if($r->param('library_sections') eq ALL_SECTIONS); 812 $r->param('library_textbook', '') if($r->param('library_textbook') eq ALL_TEXTBOOKS); 813 814 ## These directories will have individual buttons 815 %problib = %{$ce->{courseFiles}{problibs}} if $ce->{courseFiles}{problibs}; 816 817 my $userName = $r->param('user'); 818 my $user = $db->getUser($userName); # checked 819 die "record for user $userName (real user) does not exist." 820 unless defined $user; 821 my $authz = $r->authz; 822 unless ($authz->hasPermissions($userName, "modify_problem_sets")) { 823 return(""); # Error message already produced in the body 824 } 825 826 ## Now one action we have to deal with here 827 if ($r->param('edit_local')) { 828 my $urlpath = $r->urlpath; 829 my $db = $r->db; 830 my $checkset = $db->getGlobalSet($r->param('local_sets')); 831 if (not defined($checkset)) { 832 $self->{error} = 1; 833 $self->addbadmessage('You need to select a "Target Set" before you can edit it.'); 834 } else { 835 my $page = $urlpath->newFromModule('WeBWorK::ContentGenerator::Instructor::ProblemSetDetail', setID=>$r->param('local_sets'), courseID=>$urlpath->arg("courseID")); 836 my $url = $self->systemLink($page); 837 $self->reply_with_redirect($url); 838 } 839 } 840 841 ## Next, lots of set up so that errors can be reported with message() 842 843 ############# List of problems we have already printed 844 845 $self->{past_problems} = get_past_problem_files($r); 846 # if we don't end up reusing problems, this will be wiped out 847 # if we do redisplay the same problems, we must adjust this accordingly 848 my @past_marks = map {$_->[1]} @{$self->{past_problems}}; 849 my $none_shown = scalar(@{$self->{past_problems}})==0; 850 my @pg_files=(); 851 my $use_previous_problems = 1; 852 my $first_shown = $r->param('first_shown') || 0; 853 my $last_shown = $r->param('last_shown'); 854 if (not defined($last_shown)) { 855 $last_shown = -1; 856 } 857 my @all_past_list = (); # these are include requested, but not shown 858 my $j = 0; 859 while (defined($r->param("all_past_list$j"))) { 860 push @all_past_list, $r->param("all_past_list$j"); 861 $j++; 862 } 863 864 ############# Default of which problem selector to display 865 866 my $browse_which = $r->param('browse_which') || 'browse_local'; 867 868 my $problem_seed = $r->param('problem_seed') || 0; 869 $r->param('problem_seed', $problem_seed); # if it wasn't defined before 870 871 ## check for problem lib buttons 872 my $browse_lib = ''; 873 foreach my $lib (keys %problib) { 874 if ($r->param("browse_$lib")) { 875 $browse_lib = "browse_$lib"; 876 last; 877 } 878 } 879 880 ########### Start the logic through if elsif elsif ... 881 882 ##### Asked to browse certain problems 883 if ($browse_lib ne '') { 884 $browse_which = $browse_lib; 885 $r->param('library_sets', ""); 886 $use_previous_problems = 0; @pg_files = (); ## clear old problems 887 } elsif ($r->param('browse_library')) { 888 $browse_which = 'browse_library'; 889 $r->param('library_sets', ""); 890 $use_previous_problems = 0; @pg_files = (); ## clear old problems 891 } elsif ($r->param('browse_local')) { 892 $browse_which = 'browse_local'; 893 $r->param('library_sets', ""); 894 $use_previous_problems = 0; @pg_files = (); ## clear old problems 895 } elsif ($r->param('browse_mysets')) { 896 $browse_which = 'browse_mysets'; 897 $r->param('library_sets', ""); 898 $use_previous_problems = 0; @pg_files = (); ## clear old problems 899 } elsif ($r->param('browse_setdefs')) { 900 $browse_which = 'browse_setdefs'; 901 $r->param('library_sets', ""); 902 $use_previous_problems = 0; @pg_files = (); ## clear old problems 903 904 ##### Change the seed value 905 906 } elsif ($r->param('rerandomize')) { 907 $problem_seed++; 908 $r->param('problem_seed', $problem_seed); 909 $self->addbadmessage('Changing the problem seed for display, but there are no problems showing.') if $none_shown; 910 911 ##### Clear the display 912 913 } elsif ($r->param('cleardisplay')) { 914 @pg_files = (); 915 $use_previous_problems=0; 916 $self->addbadmessage('The display was already cleared.') if $none_shown; 917 918 ##### View problems selected from the local list 919 920 } elsif ($r->param('view_local_set')) { 921 922 my $set_to_display = $r->param('library_sets'); 923 if (not defined($set_to_display) or $set_to_display eq SELECT_LOCAL_STRING or $set_to_display eq "Found no directories containing problems") { 924 $self->addbadmessage('You need to select a set to view.'); 925 } else { 926 $set_to_display = '.' if $set_to_display eq MY_PROBLEMS; 927 $set_to_display = substr($browse_which,7) if $set_to_display eq MAIN_PROBLEMS; 928 @pg_files = list_pg_files($ce->{courseDirs}->{templates}, 929 "$set_to_display"); 930 $use_previous_problems=0; 931 } 932 933 ##### View problems selected from the a set in this course 934 935 } elsif ($r->param('view_mysets_set')) { 936 937 my $set_to_display = $r->param('library_sets'); 938 if (not defined($set_to_display) 939 or $set_to_display eq "Select a Homework Set" 940 or $set_to_display eq NO_LOCAL_SET_STRING) { 941 $self->addbadmessage("You need to select a set from this course to view."); 942 } else { 943 my @problemList = $db->listGlobalProblems($set_to_display); 944 my $problem; 945 @pg_files=(); 946 for $problem (@problemList) { 947 my $problemRecord = $db->getGlobalProblem($set_to_display, $problem); # checked 948 die "global $problem for set $set_to_display not found." unless 949 $problemRecord; 950 push @pg_files, $problemRecord->source_file; 951 952 } 953 $use_previous_problems=0; 954 } 955 956 ##### View from the library database 957 958 } elsif ($r->param('lib_view')) { 959 960 @pg_files=(); 961 my @dbsearch = WeBWorK::Utils::ListingDB::getSectionListings($r); 962 my ($result, $tolibpath); 963 for $result (@dbsearch) { 964 $tolibpath = "Library/$result->{path}/$result->{filename}"; 965 966 ## Too clunky!!!! 967 push @pg_files, $tolibpath; 968 } 969 $use_previous_problems=0; 970 971 ##### View a set from a set*.def 972 973 } elsif ($r->param('view_setdef_set')) { 974 975 my $set_to_display = $r->param('library_sets'); 976 if (not defined($set_to_display) 977 or $set_to_display eq "Select a Set Definition File" 978 or $set_to_display eq NO_LOCAL_SET_STRING) { 979 $self->addbadmessage("You need to select a set from this course to view."); 980 } else { 981 @pg_files= $self->read_set_def($set_to_display); 982 } 983 $use_previous_problems=0; 984 985 ##### Edit the current local problem set 986 987 } elsif ($r->param('edit_local')) { ## Jump to set edit page 988 989 ; # already handled 990 991 992 ##### Make a new local problem set 993 994 } elsif ($r->param('new_local_set')) { 995 if ($r->param('new_set_name') !~ /^[\w .-]*$/) { 996 $self->addbadmessage("The name ".$r->param('new_set_name')." is not a valid set name. Use only letters, digits, -, _, and ."); 997 } else { 998 my $newSetName = $r->param('new_set_name'); 999 # if we want to munge the input set name, do it here 1000 $newSetName =~ s/\s/_/g; 1001 $r->param('local_sets',$newSetName); 1002 my $newSetRecord = $db->getGlobalSet($newSetName); 1003 if (defined($newSetRecord)) { 1004 $self->addbadmessage("The set name $newSetName is already in use. Pick a different name if you would like to start a new set."); 1005 } else { # Do it! 1006 $newSetRecord = $db->{set}->{record}->new(); 1007 $newSetRecord->set_id($newSetName); 1008 $newSetRecord->set_header(""); 1009 $newSetRecord->hardcopy_header(""); 1010 $newSetRecord->open_date(time()+60*60*24*7); # in one week 1011 $newSetRecord->due_date(time()+60*60*24*7*2); # in two weeks 1012 $newSetRecord->answer_date(time()+60*60*24*7*3); # in three weeks 1013 eval {$db->addGlobalSet($newSetRecord)}; 1014 if ($@) { 1015 $self->addbadmessage("Problem creating set $newSetName<br> $@"); 1016 } else { 1017 $self->addgoodmessage("Set $newSetName has been created."); 1018 my $selfassign = $r->param('selfassign') || ""; 1019 $selfassign = "" if($selfassign =~ /false/i); # deal with javascript false 1020 if($selfassign) { 1021 $self->assignSetToUser($userName, $newSetRecord); 1022 $self->addgoodmessage("Set $newSetName was assigned to $userName."); 1023 } 1024 } 1025 } 1026 } 1027 1028 ##### Add selected problems to the current local set 1029 1030 } elsif ($r->param('update')) { 1031 ## first handle problems to be added before we hide them 1032 my($localSet, @selected); 1033 1034 @pg_files = grep {($_->[1] & ADDED) != 0 } @{$self->{past_problems}}; 1035 @selected = map {$_->[0]} @pg_files; 1036 1037 my @action_files = grep {$_->[1] > 0 } @{$self->{past_problems}}; 1038 # There are now good reasons to do an update without selecting anything. 1039 #if(scalar(@action_files) == 0) { 1040 # $self->addbadmessage('Update requested, but no problems were marked.'); 1041 #} 1042 1043 if (scalar(@selected)>0) { # if some are to be added, they need a place to go 1044 $localSet = $r->param('local_sets'); 1045 if (not defined($localSet) or 1046 $localSet eq SELECT_SET_STRING or 1047 $localSet eq NO_LOCAL_SET_STRING) { 1048 $self->addbadmessage('You are trying to add problems to something, but you did not select a "Target Set" name as a target.'); 1049 } else { 1050 my $newSetRecord = $db->getGlobalSet($localSet); 1051 if (not defined($newSetRecord)) { 1052 $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."); 1053 } else { 1054 my $addcount = add_selected($self, $db, $localSet); 1055 if($addcount > 0) { 1056 $self->addgoodmessage("Added $addcount problem".(($addcount>1)?'s':''). 1057 " to $localSet."); 1058 } 1059 } 1060 } 1061 } 1062 ## now handle problems to be hidden 1063 1064 ## only keep the ones which are not hidden 1065 @pg_files = grep {($_->[1] & HIDDEN) ==0 } @{$self->{past_problems}}; 1066 @past_marks = map {$_->[1]} @pg_files; 1067 @pg_files = map {$_->[0]} @pg_files; 1068 @all_past_list = (@all_past_list[0..($first_shown-1)], 1069 @pg_files, 1070 @all_past_list[($last_shown+1)..(scalar(@all_past_list)-1)]); 1071 $last_shown = $first_shown+$maxShown -1; 1072 $last_shown = (scalar(@all_past_list)-1) if($last_shown>=scalar(@all_past_list)); 1073 1074 } elsif ($r->param('next_page')) { 1075 $first_shown = $last_shown+1; 1076 $last_shown = $first_shown+$maxShown-1; 1077 $last_shown = (scalar(@all_past_list)-1) if($last_shown>=scalar(@all_past_list)); 1078 @past_marks = (); 1079 } elsif ($r->param('prev_page')) { 1080 $last_shown = $first_shown-1; 1081 $first_shown = $last_shown - $maxShown+1; 1082 1083 $first_shown = 0 if($first_shown<0); 1084 @past_marks = (); 1085 1086 } elsif ($r->param('select_all')) { 1087 @past_marks = map {1} @past_marks; 1088 } elsif ($r->param('library_basic')) { 1089 $library_basic = 1; 1090 } elsif ($r->param('library_advanced')) { 1091 $library_basic = 2; 1092 } elsif ($r->param('select_none')) { 1093 @past_marks = (); 1094 1095 ##### No action requested, probably our first time here 1096 1097 } else { 1098 #my $c = $r->connection; 1099 #print "Debug info: ". $r->get_remote_host ."<p>". $c->remote_ip ; 1100 ; 1101 } ##### end of the if elsif ... 1102 1103 1104 ############# List of local sets 1105 1106 my @all_db_sets = $db->listGlobalSets; 1107 @all_db_sets = sortByName(undef, @all_db_sets); 1108 1109 if ($use_previous_problems) { 1110 @pg_files = @all_past_list; 1111 } else { 1112 $first_shown = 0; 1113 $last_shown = scalar(@pg_files)<$maxShown ? scalar(@pg_files) : $maxShown; 1114 $last_shown--; # to make it an array index 1115 @past_marks = (); 1116 } 1117 ############# Now store data in self for retreival by body 1118 $self->{first_shown} = $first_shown; 1119 $self->{last_shown} = $last_shown; 1120 $self->{browse_which} = $browse_which; 1121 $self->{problem_seed} = $problem_seed; 1122 $self->{pg_files} = \@pg_files; 1123 $self->{past_marks} = \@past_marks; 1124 $self->{all_db_sets} = \@all_db_sets; 1125 $self->{library_basic} = $library_basic; 1126 } 1127 1128 1129 sub title { 1130 return "Library Browser"; 1131 } 1132 1133 sub body { 1134 my ($self) = @_; 1135 1136 my $r = $self->r; 1137 my $ce = $r->ce; # course environment 1138 my $db = $r->db; # database 1139 my $j; # garden variety counter 1140 1141 my $userName = $r->param('user'); 1142 1143 my $user = $db->getUser($userName); # checked 1144 die "record for user $userName (real user) does not exist." 1145 unless defined $user; 1146 1147 ### Check that this is a professor 1148 my $authz = $r->authz; 1149 unless ($authz->hasPermissions($userName, "modify_problem_sets")) { 1150 print "User $userName returned " . 1151 $authz->hasPermissions($user, "modify_problem_sets") . 1152 " for permission"; 1153 return(CGI::div({class=>'ResultsWithError'}, 1154 CGI::em("You are not authorized to access the Instructor tools."))); 1155 } 1156 1157 ########## Extract information computed in pre_header_initialize 1158 1159 my $first_shown = $self->{first_shown}; 1160 my $last_shown = $self->{last_shown}; 1161 my $browse_which = $self->{browse_which}; 1162 my $problem_seed = $self->{problem_seed}; 1163 my @pg_files = @{$self->{pg_files}}; 1164 my @all_db_sets = @{$self->{all_db_sets}}; 1165 1166 my @pg_html=($last_shown>=$first_shown) ? 1167 renderProblems(r=> $r, 1168 user => $user, 1169 problem_list => [@pg_files[$first_shown..$last_shown]], 1170 displayMode => $r->param('mydisplayMode')) : (); 1171 1172 ########## Top part 1173 print CGI::startform({-method=>"POST", -action=>$r->uri, -name=>'mainform'}), 1174 $self->hidden_authen_fields, 1175 '<div align="center">', 1176 CGI::start_table({-border=>2}); 1177 $self->make_top_row('all_db_sets'=>\@all_db_sets, 1178 'browse_which'=> $browse_which); 1179 print CGI::hidden(-name=>'browse_which', -default=>[$browse_which]), 1180 CGI::hidden(-name=>'problem_seed', -default=>[$problem_seed]); 1181 for ($j = 0 ; $j < scalar(@pg_files) ; $j++) { 1182 print CGI::hidden(-name=>"all_past_list$j", -default=>$pg_files[$j]); 1183 } 1184 1185 print CGI::hidden(-name=>'first_shown', -default=>[$first_shown]); 1186 print CGI::hidden(-name=>'last_shown', -default=>[$last_shown]); 1187 1188 1189 ########## Now print problems 1190 my $jj; 1191 for ($jj=0; $jj<scalar(@pg_html); $jj++) { 1192 $pg_files[$jj] =~ s|^$ce->{courseDirs}->{templates}/?||; 1193 $self->make_data_row($pg_files[$jj+$first_shown], $pg_html[$jj], $jj+1, $self->{past_marks}->[$jj]); 1194 } 1195 1196 ########## Finish things off 1197 print CGI::end_table(); 1198 print '</div>'; 1199 # if($first_shown>0 or (1+$last_shown)<scalar(@pg_files)) { 1200 my ($next_button, $prev_button) = ("", ""); 1201 if ($first_shown > 0) { 1202 $prev_button = CGI::submit(-name=>"prev_page", -style=>"width:15ex", 1203 -value=>"Previous page"); 1204 } 1205 if ((1+$last_shown)<scalar(@pg_files)) { 1206 $next_button = CGI::submit(-name=>"next_page", -style=>"width:15ex", 1207 -value=>"Next page"); 1208 } 1209 if (scalar(@pg_files)>0) { 1210 print CGI::p(($first_shown+1)."-".($last_shown+1)." of ".scalar(@pg_files). 1211 " shown.", $prev_button, " ", $next_button); 1212 } 1213 # } 1214 print CGI::endform(), "\n"; 1215 1216 return ""; 1217 } 1218 1219 =head1 AUTHOR 1220 1221 Written by John Jones, jj (at) asu.edu. 1222 1223 =cut 1224 1225 1;
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