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1################################################################################ 1################################################################################
2# WeBWorK Online Homework Delivery System 2# WeBWorK Online Homework Delivery System
3# Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/ 3# Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/
4# $CVSHeader: webwork-modperl/lib/WeBWorK/ContentGenerator/Instructor/SetMaker.pm,v 1.28 2004/10/08 19:58:18 jj Exp $ 4# $CVSHeader: webwork2/lib/WeBWorK/ContentGenerator/Instructor/SetMaker.pm,v 1.29 2004/10/11 13:32:01 gage Exp $
5# 5#
6# This program is free software; you can redistribute it and/or modify it under 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 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 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. 9# version, or (b) the "Artistic License" which comes with this package.
10# 10#
11# This program is distributed in the hope that it will be useful, but WITHOUT 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 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 13# FOR A PARTICULAR PURPOSE. See either the GNU General Public License or the
14# Artistic License for more details. 14# Artistic License for more details.
15################################################################################ 15################################################################################
16 16
17 17
18package WeBWorK::ContentGenerator::Instructor::SetMaker; 18package WeBWorK::ContentGenerator::Instructor::SetMaker;
… …
36 36
37use constant MAX_SHOW_DEFAULT => 20; 37use constant MAX_SHOW_DEFAULT => 20;
38use constant NO_LOCAL_SET_STRING => 'There are no local sets yet'; 38use constant NO_LOCAL_SET_STRING => 'There are no local sets yet';
39use constant SELECT_SET_STRING => 'Select a Set for This Course'; 39use constant SELECT_SET_STRING => 'Select a Set for This Course';
40use constant SELECT_LOCAL_STRING => 'Select a Problem Collection'; 40use constant SELECT_LOCAL_STRING => 'Select a Problem Collection';
41use constant MY_PROBLEMS => ' My Problems '; 41use constant MY_PROBLEMS => ' My Problems ';
42use constant MAIN_PROBLEMS => ' Main Problems '; 42use constant MAIN_PROBLEMS => ' Main Problems ';
43 43
44## Flags for operations on files 44## Flags for operations on files
45 45
46use constant ADDED => 1; 46use constant ADDED => 1;
47use constant HIDDEN => (1 << 1); 47use constant HIDDEN => (1 << 1);
48use constant SUCCESS => (1 << 2); 48use constant SUCCESS => (1 << 2);
49 49
50## for additional problib buttons 50## for additional problib buttons
51my %problib; ## filled in in global.conf 51my %problib; ## filled in in global.conf
52my %ignoredir = ( 52my %ignoredir = (
53 '.' => 1, '..' => 1, 'Library' => 1, 53 '.' => 1, '..' => 1, 'Library' => 1,
54 'headers' => 1, 'macros' => 1, 'email' => 1, 54 'headers' => 1, 'macros' => 1, 'email' => 1,
55); 55);
56 56
57## 57##
58## This is for searching the disk for directories containing pg files. 58## This is for searching the disk for directories containing pg files.
59## to make the recursion work, this returns an array where the first 59## to make the recursion work, this returns an array where the first
60## item is the number of pg files in the directory. The second is a 60## item is the number of pg files in the directory. The second is a
61## list of directories which contain pg files. 61## list of directories which contain pg files.
62## 62##
63## If a directory contains only one pg file and at least one other 63## If a directory contains only one pg file and at least one other
64## file, the directory is considered to be part of the parent 64## file, the directory is considered to be part of the parent
65## directory (it is probably in a separate directory only because 65## directory (it is probably in a separate directory only because
66## it has auxiliarly files that want to be kept together with the 66## it has auxiliarly files that want to be kept together with the
67## pg file). 67## pg file).
68## 68##
69## If a directory has a file named "=library-ignore", it is never 69## If a directory has a file named "=library-ignore", it is never
70## included in the directory menu. If a directory contains a file 70## included in the directory menu. If a directory contains a file
71## called "=library-combine-up", then its pg are included with those 71## called "=library-combine-up", then its pg are included with those
72## in the parent directory (and the directory does not appear in the 72## in the parent directory (and the directory does not appear in the
73## menu). If it has a file called "=library-no-combine" then it is 73## menu). If it has a file called "=library-no-combine" then it is
74## always listed as a separate directory even if it contains only one 74## always listed as a separate directory even if it contains only one
75## pg file. 75## pg file.
76## 76##
77 77
78sub get_library_sets { 78sub get_library_sets {
79 my $top = shift; my $dir = shift; 79 my $top = shift; my $dir = shift;
80 my @lis = readDirectory($dir); my @pgdirs; 80 my @lis = readDirectory($dir); my @pgdirs;
81 return (0) if grep /^=library-ignore$/, @lis; 81 return (0) if grep /^=library-ignore$/, @lis;
82 82
83 my $pgcount = scalar(grep { m/\.pg$/ and (not m/(Header|-text)\.pg$/) and -f "$dir/$_"} @lis); 83 my $pgcount = scalar(grep { m/\.pg$/ and (not m/(Header|-text)\.pg$/) and -f "$dir/$_"} @lis);
84 my $others = scalar(grep { (!m/\.pg$/ || m/(Header|-text)\.pg$/) && 84 my $others = scalar(grep { (!m/\.pg$/ || m/(Header|-text)\.pg$/) &&
85 !m/(\.(tmp|bak)|~)$/ && -f "$dir/$_" } @lis); 85 !m/(\.(tmp|bak)|~)$/ && -f "$dir/$_" } @lis);
86 86
87 my @dirs = grep {!$ignoredir{$_} and -d "$dir/$_"} @lis; 87 my @dirs = grep {!$ignoredir{$_} and -d "$dir/$_"} @lis;
88 if ($top == 1) {@dirs = grep {!$problib{$_}} @dirs} 88 if ($top == 1) {@dirs = grep {!$problib{$_}} @dirs}
89 foreach my $subdir (@dirs) { 89 foreach my $subdir (@dirs) {
90 my @results = get_library_sets(0, "$dir/$subdir"); 90 my @results = get_library_sets(0, "$dir/$subdir");
91 $pgcount += shift @results; push(@pgdirs,@results); 91 $pgcount += shift @results; push(@pgdirs,@results);
92 } 92 }
93 93
94 return ($pgcount, @pgdirs) if $top || $pgcount == 0 || grep /^=library-combine-up$/, @lis; 94 return ($pgcount, @pgdirs) if $top || $pgcount == 0 || grep /^=library-combine-up$/, @lis;
95 return (0,@pgdirs,$dir) if $pgcount > 1 || $others == 0 || grep /^=library-no-combine$/, @lis; 95 return (0,@pgdirs,$dir) if $pgcount > 1 || $others == 0 || grep /^=library-no-combine$/, @lis;
96 return ($pgcount, @pgdirs); 96 return ($pgcount, @pgdirs);
97} 97}
98 98
99sub get_library_pgs { 99sub get_library_pgs {
100 my $top = shift; my $base = shift; my $dir = shift; 100 my $top = shift; my $base = shift; my $dir = shift;
101 my @lis = readDirectory("$base/$dir"); 101 my @lis = readDirectory("$base/$dir");
102 return () if grep /^=library-ignore$/, @lis; 102 return () if grep /^=library-ignore$/, @lis;
103 return () if !$top && grep /^=library-no-combine$/, @lis; 103 return () if !$top && grep /^=library-no-combine$/, @lis;
104 104
105 my @pgs = grep { m/\.pg$/ and (not m/(Header|-text)\.pg$/) and -f "$base/$dir/$_"} @lis; 105 my @pgs = grep { m/\.pg$/ and (not m/(Header|-text)\.pg$/) and -f "$base/$dir/$_"} @lis;
106 my $others = scalar(grep { (!m/\.pg$/ || m/(Header|-text)\.pg$/) && 106 my $others = scalar(grep { (!m/\.pg$/ || m/(Header|-text)\.pg$/) &&
107 !m/(\.(tmp|bak)|~)$/ && -f "$base/$dir/$_" } @lis); 107 !m/(\.(tmp|bak)|~)$/ && -f "$base/$dir/$_" } @lis);
108 108
109 my @dirs = grep {!$ignoredir{$_} and -d "$base/$dir/$_"} @lis; 109 my @dirs = grep {!$ignoredir{$_} and -d "$base/$dir/$_"} @lis;
110 if ($top == 1) {@dirs = grep {!$problib{$_}} @dirs} 110 if ($top == 1) {@dirs = grep {!$problib{$_}} @dirs}
111 foreach my $subdir (@dirs) {push(@pgs, get_library_pgs(0,"$base/$dir",$subdir))} 111 foreach my $subdir (@dirs) {push(@pgs, get_library_pgs(0,"$base/$dir",$subdir))}
112 112
113 return () unless $top || (scalar(@pgs) == 1 && $others) || grep /^=library-combine-up$/, @lis; 113 return () unless $top || (scalar(@pgs) == 1 && $others) || grep /^=library-combine-up$/, @lis;
114 return (map {"$dir/$_"} @pgs); 114 return (map {"$dir/$_"} @pgs);
115} 115}
116 116
117sub list_pg_files { 117sub list_pg_files {
118 my ($templates,$dir) = @_; 118 my ($templates,$dir) = @_;
119 my $top = ($dir eq '.')? 1 : 2; 119 my $top = ($dir eq '.')? 1 : 2;
120 my @pgs = get_library_pgs($top,$templates,$dir); 120 my @pgs = get_library_pgs($top,$templates,$dir);
121 return sortByName(undef,@pgs); 121 return sortByName(undef,@pgs);
122} 122}
123 123
124## go through past page getting a list of identifiers for the problems 124## go through past page getting a list of identifiers for the problems
125## and whether or not they are selected, and whether or not they should 125## and whether or not they are selected, and whether or not they should
126## be hidden 126## be hidden
127 127
128sub get_past_problem_files { 128sub get_past_problem_files {
129 my $r = shift; 129 my $r = shift;
130 my @found=(); 130 my @found=();
131 my $count =1; 131 my $count =1;
132 while (defined($r->param("filetrial$count"))) { 132 while (defined($r->param("filetrial$count"))) {
133 my $val = 0; 133 my $val = 0;
134 $val |= ADDED if($r->param("trial$count")); 134 $val |= ADDED if($r->param("trial$count"));
135 $val |= HIDDEN if($r->param("hideme$count")); 135 $val |= HIDDEN if($r->param("hideme$count"));
136 push @found, [$r->param("filetrial$count"), $val]; 136 push @found, [$r->param("filetrial$count"), $val];
137 $count++; 137 $count++;
138 } 138 }
139 return(\@found); 139 return(\@found);
140} 140}
141 141
142#### For adding new problems 142#### For adding new problems
143 143
144sub add_selected { 144sub add_selected {
145 my $self = shift; 145 my $self = shift;
146 my $db = shift; 146 my $db = shift;
147 my $setName = shift; 147 my $setName = shift;
148 my @past_problems = @{$self->{past_problems}}; 148 my @past_problems = @{$self->{past_problems}};
149 my @selected = @past_problems; 149 my @selected = @past_problems;
150 my (@path, $file, $selected, $freeProblemID); 150 my (@path, $file, $selected, $freeProblemID);
151 $freeProblemID = max($db->listGlobalProblems($setName)) + 1; 151 $freeProblemID = max($db->listGlobalProblems($setName)) + 1;
152 my $addedcount=0; 152 my $addedcount=0;
153 153
154 for $selected (@selected) { 154 for $selected (@selected) {
155 if($selected->[1] & ADDED) { 155 if($selected->[1] & ADDED) {
156 $file = $selected->[0]; 156 $file = $selected->[0];
157 my $problemRecord = $self->addProblemToSet(setName => $setName, 157 my $problemRecord = $self->addProblemToSet(setName => $setName,
158 sourceFile => $file, problemID => $freeProblemID); 158 sourceFile => $file, problemID => $freeProblemID);
159 $freeProblemID++; 159 $freeProblemID++;
160 $self->assignProblemToAllSetUsers($problemRecord); 160 $self->assignProblemToAllSetUsers($problemRecord);
161 $selected->[1] |= SUCCESS; 161 $selected->[1] |= SUCCESS;
162 $addedcount++; 162 $addedcount++;
163 } 163 }
164 } 164 }
165 return($addedcount); 165 return($addedcount);
166} 166}
167 167
168 168
169############# List of sets of problems in templates directory 169############# List of sets of problems in templates directory
170 170
171sub get_problem_directories { 171sub get_problem_directories {
172 my $ce = shift; 172 my $ce = shift;
173 my $lib = shift; 173 my $lib = shift;
174 my $source = $ce->{courseDirs}{templates}; 174 my $source = $ce->{courseDirs}{templates};
175 my $main = MY_PROBLEMS; my $isTop = 1; 175 my $main = MY_PROBLEMS; my $isTop = 1;
176 if ($lib) {$source .= "/$lib"; $main = MAIN_PROBLEMS; $isTop = 2} 176 if ($lib) {$source .= "/$lib"; $main = MAIN_PROBLEMS; $isTop = 2}
177 my @all_problem_directories = get_library_sets($isTop, $source); 177 my @all_problem_directories = get_library_sets($isTop, $source);
178 my $includetop = shift @all_problem_directories; 178 my $includetop = shift @all_problem_directories;
179 my $j; 179 my $j;
180 for ($j=0; $j<scalar(@all_problem_directories); $j++) { 180 for ($j=0; $j<scalar(@all_problem_directories); $j++) {
181 $all_problem_directories[$j] =~ s|^$ce->{courseDirs}->{templates}/?||; 181 $all_problem_directories[$j] =~ s|^$ce->{courseDirs}->{templates}/?||;
182 } 182 }
183 @all_problem_directories = sortByName(undef, @all_problem_directories); 183 @all_problem_directories = sortByName(undef, @all_problem_directories);
184 unshift @all_problem_directories, $main if($includetop); 184 unshift @all_problem_directories, $main if($includetop);
185 return (\@all_problem_directories); 185 return (\@all_problem_directories);
186} 186}
187 187
188############# Everyone has a view problems line. Abstract it 188############# Everyone has a view problems line. Abstract it
189sub view_problems_line { 189sub view_problems_line {
190 my $internal_name = shift; 190 my $internal_name = shift;
191 my $label = shift; 191 my $label = shift;
192 my $r = shift; # so we can get parameter values 192 my $r = shift; # so we can get parameter values
193 my $result = CGI::submit(-name=>"$internal_name", -value=>$label); 193 my $result = CGI::submit(-name=>"$internal_name", -value=>$label);
194 194
195 my %display_modes = %{WeBWorK::PG::DISPLAY_MODES()}; 195 my %display_modes = %{WeBWorK::PG::DISPLAY_MODES()};
196 my @active_modes = grep { exists $display_modes{$_} } 196 my @active_modes = grep { exists $display_modes{$_} }
197 @{$r->ce->{pg}->{displayModes}}; 197 @{$r->ce->{pg}->{displayModes}};
198 push @active_modes, 'None'; 198 push @active_modes, 'None';
199 # We have our own displayMode since its value may be None, which is illegal 199 # We have our own displayMode since its value may be None, which is illegal
200 # in other modules. 200 # in other modules.
201 my $mydisplayMode = $r->param('mydisplayMode') || $r->ce->{pg}->{options}->{displayMode}; 201 my $mydisplayMode = $r->param('mydisplayMode') || $r->ce->{pg}->{options}->{displayMode};
202 $result .= '&nbsp;Display&nbsp;Mode:&nbsp;'.CGI::popup_menu(-name=> 'mydisplayMode', 202 $result .= '&nbsp;Display&nbsp;Mode:&nbsp;'.CGI::popup_menu(-name=> 'mydisplayMode',
203 -values=>\@active_modes, 203 -values=>\@active_modes,
204 -default=> $mydisplayMode); 204 -default=> $mydisplayMode);
205 # Now we give a choice of the number of problems to show 205 # Now we give a choice of the number of problems to show
206 my $defaultMax = $r->param('max_shown') || MAX_SHOW_DEFAULT; 206 my $defaultMax = $r->param('max_shown') || MAX_SHOW_DEFAULT;
207 $result .= '&nbsp;Max. Shown:&nbsp'. 207 $result .= '&nbsp;Max. Shown:&nbsp'.
208 CGI::popup_menu(-name=> 'max_shown', 208 CGI::popup_menu(-name=> 'max_shown',
209 -values=>[5,10,15,20,25,30,50,'All'], 209 -values=>[5,10,15,20,25,30,50,'All'],
210 -default=> $defaultMax); 210 -default=> $defaultMax);
211 211
212 return($result); 212 return($result);
213} 213}
214 214
215 215
216### The browsing panel has three versions 216### The browsing panel has three versions
217##### Version 1 is local problems 217##### Version 1 is local problems
218sub browse_local_panel { 218sub browse_local_panel {
219 my $self = shift; 219 my $self = shift;
220 my $library_selected = shift; 220 my $library_selected = shift;
221 my $lib = shift || ''; $lib =~ s/^browse_//; 221 my $lib = shift || ''; $lib =~ s/^browse_//;
222 my $name = ($lib eq '')? 'Local' : $problib{$lib}; 222 my $name = ($lib eq '')? 'Local' : $problib{$lib};
223 223
224 my $list_of_prob_dirs= get_problem_directories($self->r->ce,$lib); 224 my $list_of_prob_dirs= get_problem_directories($self->r->ce,$lib);
225 if(scalar(@$list_of_prob_dirs) == 0) { 225 if(scalar(@$list_of_prob_dirs) == 0) {
226 $library_selected = "Found no directories containing problems"; 226 $library_selected = "Found no directories containing problems";
227 unshift @{$list_of_prob_dirs}, $library_selected; 227 unshift @{$list_of_prob_dirs}, $library_selected;
228 } else { 228 } else {
229 my $default_value = SELECT_LOCAL_STRING; 229 my $default_value = SELECT_LOCAL_STRING;
230 if (not $library_selected or $library_selected eq $default_value) { 230 if (not $library_selected or $library_selected eq $default_value) {
231 unshift @{$list_of_prob_dirs}, $default_value; 231 unshift @{$list_of_prob_dirs}, $default_value;
232 $library_selected = $default_value; 232 $library_selected = $default_value;
233 } 233 }
234 } 234 }
235 my $view_problem_line = view_problems_line('view_local_set', 'View Problems', $self->r); 235 my $view_problem_line = view_problems_line('view_local_set', 'View Problems', $self->r);
236 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "$name Problems: ", 236 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "$name Problems: ",
237 CGI::popup_menu(-name=> 'library_sets', 237 CGI::popup_menu(-name=> 'library_sets',
238 -values=>$list_of_prob_dirs, 238 -values=>$list_of_prob_dirs,
239 -default=> $library_selected), 239 -default=> $library_selected),
240 CGI::br(), 240 CGI::br(),
241 $view_problem_line, 241 $view_problem_line,
242 )); 242 ));
243} 243}
244 244
245##### Version 2 is local problem sets 245##### Version 2 is local problem sets
246sub browse_mysets_panel { 246sub browse_mysets_panel {
247 my $self = shift; 247 my $self = shift;
248 my $library_selected = shift; 248 my $library_selected = shift;
249 my $list_of_local_sets = shift; 249 my $list_of_local_sets = shift;
250 my $default_value = "Select a Problem Set"; 250 my $default_value = "Select a Problem Set";
251 251
252 if(scalar(@$list_of_local_sets) == 0) { 252 if(scalar(@$list_of_local_sets) == 0) {
253 $list_of_local_sets = [NO_LOCAL_SET_STRING]; 253 $list_of_local_sets = [NO_LOCAL_SET_STRING];
254 } elsif (not $library_selected or $library_selected eq $default_value) { 254 } elsif (not $library_selected or $library_selected eq $default_value) {
255 unshift @{$list_of_local_sets}, $default_value; 255 unshift @{$list_of_local_sets}, $default_value;
256 $library_selected = $default_value; 256 $library_selected = $default_value;
257 } 257 }
258 258
259 my $view_problem_line = view_problems_line('view_mysets_set', 'View Problems', $self->r); 259 my $view_problem_line = view_problems_line('view_mysets_set', 'View Problems', $self->r);
260 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "Browse from: ", 260 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "Browse from: ",
261 CGI::popup_menu(-name=> 'library_sets', 261 CGI::popup_menu(-name=> 'library_sets',
262 -values=>$list_of_local_sets, 262 -values=>$list_of_local_sets,
263 -default=> $library_selected), 263 -default=> $library_selected),
264 CGI::br(), 264 CGI::br(),
265 $view_problem_line 265 $view_problem_line
266 )); 266 ));
267} 267}
268 268
269##### Version 3 is the problem library 269##### Version 3 is the problem library
270 270
271 271
272# There a different levels, and you can pick a new chapter, 272# There a different levels, and you can pick a new chapter,
273# pick a new section, pick all from chapter, pick all from section 273# pick a new section, pick all from chapter, pick all from section
274# 274#
275# Incoming data - current chapter, current section 275# Incoming data - current chapter, current section
276sub browse_library_panel { 276sub browse_library_panel {
277 my $self = shift; 277 my $self = shift;
278 my $r = $self->r; 278 my $r = $self->r;
279 my $ce = $r->ce; 279 my $ce = $r->ce;
280 280
281 my $libraryRoot = $r->{ce}->{problemLibrary}->{root}; 281 my $libraryRoot = $r->{ce}->{problemLibrary}->{root};
282 282
283 unless($libraryRoot) { 283 unless($libraryRoot) {
284 print CGI::Tr(CGI::td(CGI::div({class=>'ResultsWithError', align=>"center"}, 284 print CGI::Tr(CGI::td(CGI::div({class=>'ResultsWithError', align=>"center"},
285 "The problem library has not been installed."))); 285 "The problem library has not been installed.")));
286 return; 286 return;
287 } 287 }
288 # Test if the Library directory exists. If not, try to make it 288 # Test if the Library directory exists. If not, try to make it
289 unless(-d "$ce->{courseDirs}->{templates}/Library") { 289 unless(-d "$ce->{courseDirs}->{templates}/Library") {
290 unless(symlink($libraryRoot, "$ce->{courseDirs}->{templates}/Library")) { 290 unless(symlink($libraryRoot, "$ce->{courseDirs}->{templates}/Library")) {
291 my $msg = <<"HERE"; 291 my $msg = <<"HERE";
292You are missing the directory <code>templates/Library</code>, which is needed 292You are missing the directory <code>templates/Library</code>, which is needed
293for the Problem Library to function. It should be a link pointing to 293for the Problem Library to function. It should be a link pointing to
294<code>$libraryRoot</code>, which you set in <code>conf/global.conf</code>. 294<code>$libraryRoot</code>, which you set in <code>conf/global.conf</code>.
295I tried to make the link for you, but that failed. Check the permissions 295I tried to make the link for you, but that failed. Check the permissions
296in your <code>templates</code> directory. 296in your <code>templates</code> directory.
297HERE 297HERE
298 $self->addbadmessage($msg); 298 $self->addbadmessage($msg);
299 } 299 }
300 } 300 }
301 301
302 my $default_chap = "All Chapters"; 302 my $default_chap = "All Chapters";
303 my $default_sect = "All Sections"; 303 my $default_sect = "All Sections";
304 304
305 my @chaps = WeBWorK::Utils::ListingDB::getAllChapters($r->{ce}); 305 my @chaps = WeBWorK::Utils::ListingDB::getAllChapters($r->{ce});
306 unshift @chaps, $default_chap; 306 unshift @chaps, $default_chap;
307 my $chapter_selected = $r->param('library_chapters') || $default_chap; 307 my $chapter_selected = $r->param('library_chapters') || $default_chap;
308 308
309 my @sects=(); 309 my @sects=();
310 if ($chapter_selected ne $default_chap) { 310 if ($chapter_selected ne $default_chap) {
311 @sects = WeBWorK::Utils::ListingDB::getAllSections($r->{ce}, $chapter_selected); 311 @sects = WeBWorK::Utils::ListingDB::getAllSections($r->{ce}, $chapter_selected);
312 } 312 }
313 313
314 my @textbooks = ('Textbook info not ready'); 314 my @textbooks = ('Textbook info not ready');
315 315
316 unshift @sects, $default_sect; 316 unshift @sects, $default_sect;
317 my $section_selected = $r->param('library_sections') || $default_sect; 317 my $section_selected = $r->param('library_sections') || $default_sect;
318 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r); 318 my $view_problem_line = view_problems_line('lib_view', 'View Problems', $self->r);
319 319
320 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, 320 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"},
321 CGI::start_table(), 321 CGI::start_table(),
322 CGI::Tr( 322 CGI::Tr(
323 CGI::td(["Chapter:", 323 CGI::td(["Chapter:",
324 CGI::popup_menu(-name=> 'library_chapters', 324 CGI::popup_menu(-name=> 'library_chapters',
325 -values=>\@chaps, 325 -values=>\@chaps,
326 -default=> $chapter_selected, 326 -default=> $chapter_selected,
327 -onchange=>"submit();return true" 327 -onchange=>"submit();return true"
328 ), 328 ),
329 CGI::submit(-name=>"lib_select_chapter", -value=>"Update Section List")])), 329 CGI::submit(-name=>"lib_select_chapter", -value=>"Update Section List")])),
330 CGI::Tr( 330 CGI::Tr(
331 CGI::td("Section:"), 331 CGI::td("Section:"),
332 CGI::td({-colspan=>2}, 332 CGI::td({-colspan=>2},
333 CGI::popup_menu(-name=> 'library_sections', 333 CGI::popup_menu(-name=> 'library_sections',
334 -values=>\@sects, 334 -values=>\@sects,
335 -default=> $section_selected 335 -default=> $section_selected
336 ))), 336 ))),
337 337
338# CGI::Tr( 338 #CGI::Tr(
339# CGI::td("Textbook:"), 339 # CGI::td("Textbook:"),
340# CGI::td({-colspan=>2}, 340 # CGI::td({-colspan=>2},
341# CGI::popup_menu(-name=> 'library_textbooks', 341 # CGI::popup_menu(-name=> 'library_textbooks',
342# -values=>\@textbooks, 342 # -values=>\@textbooks,
343# # -default=> $section_selected 343 # #-default=> $section_selected
344# ))), 344 #))),
345 345
346# CGI::Tr( 346 #CGI::Tr(
347# CGI::td("Keywords:"), 347 # CGI::td("Keywords:"),
348# CGI::td({-colspan=>2}, CGI::textfield(-name=>"keywords",
349# -default=>"Keywords not implemented yet",
350# -override=>1, -size=>60))),
351 CGI::Tr(CGI::td({-colspan=>3}, 348 # CGI::td({-colspan=>2},
352 $view_problem_line)), 349 # CGI::textfield(-name=>"keywords",
350 # -default=>"Keywords not implemented yet",
351 # -override=>1, -size=>60
352 #))),
353 CGI::Tr(CGI::td({-colspan=>3}, $view_problem_line)),
353 CGI::end_table(), 354 CGI::end_table(),
354 )); 355 ));
355} 356}
356 357
357sub make_top_row { 358sub make_top_row {
358 my $self = shift; 359 my $self = shift;
359 my $r = $self->r; 360 my $r = $self->r;
360 my $ce = $r->ce; 361 my $ce = $r->ce;
361 my %data = @_; 362 my %data = @_;
362 363
363 my $list_of_local_sets = $data{all_set_defs}; 364 my $list_of_local_sets = $data{all_set_defs};
364 my $have_local_sets = scalar(@$list_of_local_sets); 365 my $have_local_sets = scalar(@$list_of_local_sets);
365 my $browse_which = $data{browse_which}; 366 my $browse_which = $data{browse_which};
366 my $library_selected = $r->param('library_sets'); 367 my $library_selected = $r->param('library_sets');
367 my $set_selected = $r->param('local_sets'); 368 my $set_selected = $r->param('local_sets');
368 369
369 my ($dis1, $dis2, $dis3) = ("","",""); 370 my ($dis1, $dis2, $dis3) = ("","","");
370 $dis1 = '-disabled' if($browse_which eq 'browse_library'); 371 $dis1 = '-disabled' if($browse_which eq 'browse_library');
371 $dis2 = '-disabled' if($browse_which eq 'browse_local'); 372 $dis2 = '-disabled' if($browse_which eq 'browse_local');
372 $dis3 = '-disabled' if($browse_which eq 'browse_mysets'); 373 $dis3 = '-disabled' if($browse_which eq 'browse_mysets');
373 374
374 ## Make buttons for additional problem libraries 375 ## Make buttons for additional problem libraries
375 my $libs = ''; 376 my $libs = '';
376 foreach my $lib (sort(keys(%problib))) { 377 foreach my $lib (sort(keys(%problib))) {
377 $libs .= ' '. CGI::submit(-name=>"browse_$lib", -value=>$problib{$lib}, 378 $libs .= ' '. CGI::submit(-name=>"browse_$lib", -value=>$problib{$lib},
378 ($browse_which eq "browse_$lib")? '-disabled': '') 379 ($browse_which eq "browse_$lib")? '-disabled': '')
379 if (-d "$ce->{courseDirs}{templates}/$lib"); 380 if (-d "$ce->{courseDirs}{templates}/$lib");
380 } 381 }
381 $libs = CGI::br()."or Problems from".$libs if $libs ne ''; 382 $libs = CGI::br()."or Problems from".$libs if $libs ne '';
382 383
383 my $these_widths = "width: 20ex"; 384 my $these_widths = "width: 20ex";
384 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"center"}, 385 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"center"},
385 "Browse ", 386 "Browse ",
386 CGI::submit(-name=>"browse_library", -value=>"Problem Library", -style=>$these_widths, $dis1), 387 CGI::submit(-name=>"browse_library", -value=>"Problem Library", -style=>$these_widths, $dis1),
387 CGI::submit(-name=>"browse_local", -value=>"Local Problems", -style=>$these_widths, $dis2), 388 CGI::submit(-name=>"browse_local", -value=>"Local Problems", -style=>$these_widths, $dis2),
388 CGI::submit(-name=>"browse_mysets", -value=>"From This Course", -style=>$these_widths, $dis3), 389 CGI::submit(-name=>"browse_mysets", -value=>"From This Course", -style=>$these_widths, $dis3),
389 $libs, 390 $libs,
390 )); 391 ));
391 392
392 print CGI::Tr(CGI::td({-bgcolor=>"black"})); 393 print CGI::Tr(CGI::td({-bgcolor=>"black"}));
393 394
394 if ($browse_which eq 'browse_local') { 395 if ($browse_which eq 'browse_local') {
395 $self->browse_local_panel($library_selected); 396 $self->browse_local_panel($library_selected);
396 } elsif ($browse_which eq 'browse_mysets') { 397 } elsif ($browse_which eq 'browse_mysets') {
397 $self->browse_mysets_panel($library_selected, $list_of_local_sets); 398 $self->browse_mysets_panel($library_selected, $list_of_local_sets);
398 } elsif ($browse_which eq 'browse_library') { 399 } elsif ($browse_which eq 'browse_library') {
399 $self->browse_library_panel(); 400 $self->browse_library_panel();
400 } else { ## handle other problem libraries 401 } else { ## handle other problem libraries
401 $self->browse_local_panel($library_selected,$browse_which); 402 $self->browse_local_panel($library_selected,$browse_which);
402 } 403 }
403 404
404 print CGI::Tr(CGI::td({-bgcolor=>"black"})); 405 print CGI::Tr(CGI::td({-bgcolor=>"black"}));
405 406
406 if($have_local_sets ==0) { 407 if($have_local_sets ==0) {
407 $list_of_local_sets = [NO_LOCAL_SET_STRING]; 408 $list_of_local_sets = [NO_LOCAL_SET_STRING];
408 } elsif (not $set_selected or $set_selected eq SELECT_SET_STRING) { 409 } elsif (not $set_selected or $set_selected eq SELECT_SET_STRING) {
409 if ($list_of_local_sets->[0] eq "Select a Problem Set") { 410 if ($list_of_local_sets->[0] eq "Select a Problem Set") {
410 shift @{$list_of_local_sets}; 411 shift @{$list_of_local_sets};
411 } 412 }
412 unshift @{$list_of_local_sets}, SELECT_SET_STRING; 413 unshift @{$list_of_local_sets}, SELECT_SET_STRING;
413 $set_selected = SELECT_SET_STRING; 414 $set_selected = SELECT_SET_STRING;
414 } 415 }
415 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;'; 416 my $myjs = 'document.mainform.selfassign.value=confirm("Should I assign the new set to you now?\nUse OK for yes and Cancel for no.");true;';
416 417
417 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "Adding Problems to ", 418 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"left"}, "Adding Problems to ",
418 CGI::b("Target Set: "), 419 CGI::b("Target Set: "),
419 CGI::popup_menu(-name=> 'local_sets', 420 CGI::popup_menu(-name=> 'local_sets',
420 -values=>$list_of_local_sets, 421 -values=>$list_of_local_sets,
421 -default=> $set_selected), 422 -default=> $set_selected),
422 CGI::submit(-name=>"edit_local", -value=>"Edit Target Set"), 423 CGI::submit(-name=>"edit_local", -value=>"Edit Target Set"),
423 CGI::hidden(-name=>"selfassign", -default=>[0]). 424 CGI::hidden(-name=>"selfassign", -default=>[0]).
424 CGI::br(), 425 CGI::br(),
425 CGI::br(), 426 CGI::br(),
426 CGI::submit(-name=>"new_local_set", -value=>"Create a New Set in This Course:", 427 CGI::submit(-name=>"new_local_set", -value=>"Create a New Set in This Course:",
427 -onclick=>$myjs 428 -onclick=>$myjs
428 ), 429 ),
429 " ", 430 " ",
430 CGI::textfield(-name=>"new_set_name", 431 CGI::textfield(-name=>"new_set_name",
431 -default=>"Name for new set here", 432 -default=>"Name for new set here",
432 -override=>1, -size=>30), 433 -override=>1, -size=>30),
433 CGI::br(), 434 CGI::br(),
434 )); 435 ));
435 436
436 print CGI::Tr(CGI::td({-bgcolor=>"black"})); 437 print CGI::Tr(CGI::td({-bgcolor=>"black"}));
437 438
438 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"center"}, 439 print CGI::Tr(CGI::td({-class=>"InfoPanel", -align=>"center"},
439 CGI::start_table({-border=>"0"}), 440 CGI::start_table({-border=>"0"}),
440 CGI::Tr( CGI::td({ -align=>"center"}, 441 CGI::Tr( CGI::td({ -align=>"center"},
441 CGI::submit(-name=>"select_all", -style=>$these_widths, 442 CGI::submit(-name=>"select_all", -style=>$these_widths,
442 -value=>"Mark All For Adding"), 443 -value=>"Mark All For Adding"),
443 CGI::submit(-name=>"select_none", -style=>$these_widths, 444 CGI::submit(-name=>"select_none", -style=>$these_widths,
444 -value=>"Clear All Marks"), 445 -value=>"Clear All Marks"),
445 )), 446 )),
446 CGI::Tr( CGI::td( 447 CGI::Tr(CGI::td(
447 CGI::submit(-name=>"update", -style=>$these_widths. "; font-weight:bold", 448 CGI::submit(-name=>"update", -style=>$these_widths. "; font-weight:bold",
448 -value=>"Update"), 449 -value=>"Update"),
449 CGI::submit(-name=>"rerandomize", 450 CGI::submit(-name=>"rerandomize",
450 -style=>$these_widths, 451 -style=>$these_widths,
451 -value=>"Rerandomize"), 452 -value=>"Rerandomize"),
452 CGI::submit(-name=>"cleardisplay", 453 CGI::submit(-name=>"cleardisplay",
453 -style=>$these_widths, 454 -style=>$these_widths,
454 -value=>"Clear Problem Display") 455 -value=>"Clear Problem Display")
455 )), 456 )),
456 CGI::end_table())); 457 CGI::end_table()));
457 458
458} 459}
459 460
460sub make_data_row { 461sub make_data_row {
461 my $self = shift; 462 my $self = shift;
462 my $sourceFileName = shift; 463 my $sourceFileName = shift;
463 my $pg = shift; 464 my $pg = shift;
464 my $cnt = shift; 465 my $cnt = shift;
465 my $mark = shift || 0; 466 my $mark = shift || 0;
466 467
467 $sourceFileName =~ s|^./||; # clean up top ugliness 468 $sourceFileName =~ s|^./||; # clean up top ugliness
468 469
469 my $urlpath = $self->r->urlpath; 470 my $urlpath = $self->r->urlpath;
470 my $problem_output = $pg->{flags}->{error_flag} ? 471 my $problem_output = $pg->{flags}->{error_flag} ?
471 CGI::div({class=>"ResultsWithError"}, CGI::em("This problem produced an error")) 472 CGI::div({class=>"ResultsWithError"}, CGI::em("This problem produced an error"))
472 : CGI::div({class=>"RenderSolo"}, $pg->{body_text}); 473 : CGI::div({class=>"RenderSolo"}, $pg->{body_text});
473 474
474 475
475 my $edit_link = ''; 476 my $edit_link = '';
476 #if($self->{r}->param('browse_which') ne 'browse_library') { 477 #if($self->{r}->param('browse_which') ne 'browse_library') {
477 my $problem_seed = $self->{r}->param('problem_seed') || 0; 478 my $problem_seed = $self->{r}->param('problem_seed') || 0;
478 if($sourceFileName !~ /^Library\//) { 479 if($sourceFileName !~ /^Library\//) {
480 $edit_link = CGI::a({href=>$self->systemLink(
479 $edit_link = CGI::a({href=>$self->systemLink($urlpath->newFromModule("WeBWorK::ContentGenerator::Instructor::PGProblemEditor", 481 $urlpath->newFromModule("WeBWorK::ContentGenerator::Instructor::PGProblemEditor",
480 courseID =>$urlpath->arg("courseID"), 482 courseID =>$urlpath->arg("courseID"),
481 setID=>"Undefined_Set", 483 setID=>"Undefined_Set",
482 problemID=>"1"), 484 problemID=>"1"),
483 params=>{sourceFilePath => "$sourceFileName", 485 params=>{sourceFilePath => "$sourceFileName", problemSeed=> $problem_seed}
484 problemSeed=> $problem_seed}
485 )}, "Edit it" ); 486 )}, "Edit it" );
486 } 487 }
487 488
488 my $try_link = CGI::a({href=>$self->systemLink($urlpath->newFromModule("WeBWorK::ContentGenerator::Problem", 489 my $try_link = CGI::a({href=>$self->systemLink(
490 $urlpath->newFromModule("WeBWorK::ContentGenerator::Problem",
489 courseID =>$urlpath->arg("courseID"), 491 courseID =>$urlpath->arg("courseID"),
490 setID=>"Undefined_Set", 492 setID=>"Undefined_Set",
491 problemID=>"1"), 493 problemID=>"1"),
494 params =>{
492 params =>{effectiveUser => scalar($self->r->param('user')), 495 effectiveUser => scalar($self->r->param('user')),
493 editMode => "SetMaker", 496 editMode => "SetMaker",
494 problemSeed=> $problem_seed, 497 problemSeed=> $problem_seed,
495 sourceFilePath => "$sourceFileName"} )}, "Try it"); 498 sourceFilePath => "$sourceFileName"
499 }
500 )}, "Try it");
496 501
497 my %add_box_data = ( -name=>"trial$cnt",-value=>1,-label=>"Add this problem to the current set on the next update"); 502 my %add_box_data = ( -name=>"trial$cnt",-value=>1,-label=>"Add this problem to the current set on the next update");
498 if($mark & SUCCESS) { 503 if($mark & SUCCESS) {
499 $add_box_data{ -label } .= " (just added this problem)"; 504 $add_box_data{ -label } .= " (just added this problem)";
500 } elsif($mark & ADDED) { 505 } elsif($mark & ADDED) {
501 $add_box_data{ -checked } = 1; 506 $add_box_data{ -checked } = 1;
502 } 507 }
503 508
504 print CGI::Tr({-align=>"left"}, CGI::td( 509 print CGI::Tr({-align=>"left"}, CGI::td(
505
506 CGI::div({-style=>"background-color: #DDDDDD; margin: 0px auto"}, 510 CGI::div({-style=>"background-color: #DDDDDD; margin: 0px auto"},
507CGI::span({-style=>"float:left ; text-align: left"},"File name: $sourceFileName "), 511 CGI::span({-style=>"float:left ; text-align: left"},"File name: $sourceFileName "),
508CGI::span({-style=>"float:right ; text-align: right"}, $edit_link, " ", $try_link) 512 CGI::span({-style=>"float:right ; text-align: right"}, $edit_link, " ", $try_link)
509 ), CGI::br(), 513 ), CGI::br(),
510
511
512
513
514 CGI::checkbox(-name=>"hideme$cnt",-value=>1,-label=>"Don't show this problem on the next update"), 514 CGI::checkbox(-name=>"hideme$cnt",-value=>1,-label=>"Don't show this problem on the next update"),
515 CGI::br(), 515 CGI::br(),
516 CGI::checkbox((%add_box_data)), 516 CGI::checkbox((%add_box_data)),
517 CGI::hidden(-name=>"filetrial$cnt", -default=>[$sourceFileName]). 517 CGI::hidden(-name=>"filetrial$cnt", -default=>[$sourceFileName]).
518 CGI::p($problem_output), 518 CGI::p($problem_output),
519 )); 519 ));
520} 520}
521 521
522 522
523sub pre_header_initialize { 523sub pre_header_initialize {
524 my ($self) = @_; 524 my ($self) = @_;
525 my $r = $self->r; 525 my $r = $self->r;
526 ## For all cases, lets set some things 526 ## For all cases, lets set some things
527 $self->{error}=0; 527 $self->{error}=0;
528 my $ce = $r->ce; 528 my $ce = $r->ce;
529 my $db = $r->db; 529 my $db = $r->db;
530 my $maxShown = $r->param('max_shown') || MAX_SHOW_DEFAULT; 530 my $maxShown = $r->param('max_shown') || MAX_SHOW_DEFAULT;
531 $maxShown = 10000000 if($maxShown eq 'All'); # let's hope there aren't more 531 $maxShown = 10000000 if($maxShown eq 'All'); # let's hope there aren't more
532 532
533 ## These directories will have individual buttons 533 ## These directories will have individual buttons
534 %problib = %{$ce->{courseFiles}{problibs}} if $ce->{courseFiles}{problibs}; 534 %problib = %{$ce->{courseFiles}{problibs}} if $ce->{courseFiles}{problibs};
535 535
536 my $userName = $r->param('user'); 536 my $userName = $r->param('user');
537 my $user = $db->getUser($userName); # checked 537 my $user = $db->getUser($userName); # checked
538 die "record for user $userName (real user) does not exist." 538 die "record for user $userName (real user) does not exist."
539 unless defined $user; 539 unless defined $user;
540 my $authz = $r->authz; 540 my $authz = $r->authz;
541 unless ($authz->hasPermissions($userName, "modify_problem_sets")) { 541 unless ($authz->hasPermissions($userName, "modify_problem_sets")) {
542 return(""); # Error message already produced in the body 542 return(""); # Error message already produced in the body
543 } 543 }
544 544
545 ## Now one action we have to deal with here 545 ## Now one action we have to deal with here
546 if ($r->param('edit_local')) { 546 if ($r->param('edit_local')) {
547 my $urlpath = $r->urlpath; 547 my $urlpath = $r->urlpath;
548 my $db = $r->db; 548 my $db = $r->db;
549 my $checkset = $db->getGlobalSet($r->param('local_sets')); 549 my $checkset = $db->getGlobalSet($r->param('local_sets'));
550 if (not defined($checkset)) { 550 if (not defined($checkset)) {
551 $self->{error} = 1; 551 $self->{error} = 1;
552 $self->addbadmessage('You need to select a "Target Set" before you can edit it.'); 552 $self->addbadmessage('You need to select a "Target Set" before you can edit it.');
553 } else { 553 } else {
554 my $page = $urlpath->newFromModule('WeBWorK::ContentGenerator::Instructor::ProblemSetDetail', setID=>$r->param('local_sets'), courseID=>$urlpath->arg("courseID")); 554 my $page = $urlpath->newFromModule('WeBWorK::ContentGenerator::Instructor::ProblemSetDetail', setID=>$r->param('local_sets'), courseID=>$urlpath->arg("courseID"));
555 my $url = $self->systemLink($page); 555 my $url = $self->systemLink($page);
556 $self->reply_with_redirect($url); 556 $self->reply_with_redirect($url);
557 } 557 }
558 } 558 }
559 559
560 ## Next, lots of set up so that errors can be reported with message() 560 ## Next, lots of set up so that errors can be reported with message()
561 561
562 ############# List of problems we have already printed 562 ############# List of problems we have already printed
563 563
564 $self->{past_problems} = get_past_problem_files($r); 564 $self->{past_problems} = get_past_problem_files($r);
565 # if we don't end up reusing problems, this will be wiped out 565 # if we don't end up reusing problems, this will be wiped out
566 # if we do redisplay the same problems, we must adjust this accordingly 566 # if we do redisplay the same problems, we must adjust this accordingly
567 my @past_marks = map {$_->[1]} @{$self->{past_problems}}; 567 my @past_marks = map {$_->[1]} @{$self->{past_problems}};
568 my $none_shown = scalar(@{$self->{past_problems}})==0; 568 my $none_shown = scalar(@{$self->{past_problems}})==0;
569 my @pg_files=(); 569 my @pg_files=();
570 my $use_previous_problems = 1; 570 my $use_previous_problems = 1;
571 my $first_shown = $r->param('first_shown') || 0; 571 my $first_shown = $r->param('first_shown') || 0;
572 my $last_shown = $r->param('last_shown'); 572 my $last_shown = $r->param('last_shown');
573 if (not defined($last_shown)) { 573 if (not defined($last_shown)) {
574 $last_shown = -1; 574 $last_shown = -1;
575 } 575 }
576 my @all_past_list = (); # these are include requested, but not shown 576 my @all_past_list = (); # these are include requested, but not shown
577 my $j = 0; 577 my $j = 0;
578 while (defined($r->param("all_past_list$j"))) { 578 while (defined($r->param("all_past_list$j"))) {
579 push @all_past_list, $r->param("all_past_list$j"); 579 push @all_past_list, $r->param("all_past_list$j");
580 $j++; 580 $j++;
581 } 581 }
582 582
583 ############# Default of which problem selector to display 583 ############# Default of which problem selector to display
584 584
585 my $browse_which = $r->param('browse_which') || 'browse_local'; 585 my $browse_which = $r->param('browse_which') || 'browse_local';
586 586
587 my $problem_seed = $r->param('problem_seed') || 0; 587 my $problem_seed = $r->param('problem_seed') || 0;
588 $r->param('problem_seed', $problem_seed); # if it wasn't defined before 588 $r->param('problem_seed', $problem_seed); # if it wasn't defined before
589 589
590 ## check for problem lib buttons 590 ## check for problem lib buttons
591 my $browse_lib = ''; 591 my $browse_lib = '';
592 foreach my $lib (keys %problib) { 592 foreach my $lib (keys %problib) {
593 if ($r->param("browse_$lib")) { 593 if ($r->param("browse_$lib")) {
594 $browse_lib = "browse_$lib"; 594 $browse_lib = "browse_$lib";
595 last; 595 last;
596 } 596 }
597 } 597 }
598 598
599 ########### Start the logic through if elsif elsif ... 599 ########### Start the logic through if elsif elsif ...
600 600
601 ##### Asked to browse certain problems 601 ##### Asked to browse certain problems
602 if ($browse_lib ne '') { 602 if ($browse_lib ne '') {
603 $browse_which = $browse_lib; 603 $browse_which = $browse_lib;
604 $r->param('library_sets', ""); 604 $r->param('library_sets', "");
605 $use_previous_problems = 0; @pg_files = (); ## clear old problems 605 $use_previous_problems = 0; @pg_files = (); ## clear old problems
606 } elsif ($r->param('browse_library')) { 606 } elsif ($r->param('browse_library')) {
607 $browse_which = 'browse_library'; 607 $browse_which = 'browse_library';
608 $r->param('library_sets', ""); 608 $r->param('library_sets', "");
609 $use_previous_problems = 0; @pg_files = (); ## clear old problems 609 $use_previous_problems = 0; @pg_files = (); ## clear old problems
610 } elsif ($r->param('browse_local')) { 610 } elsif ($r->param('browse_local')) {
611 $browse_which = 'browse_local'; 611 $browse_which = 'browse_local';
612 $r->param('library_sets', ""); 612 $r->param('library_sets', "");
613 $use_previous_problems = 0; @pg_files = (); ## clear old problems 613 $use_previous_problems = 0; @pg_files = (); ## clear old problems
614 } elsif ($r->param('browse_mysets')) { 614 } elsif ($r->param('browse_mysets')) {
615 $browse_which = 'browse_mysets'; 615 $browse_which = 'browse_mysets';
616 $r->param('library_sets', ""); 616 $r->param('library_sets', "");
617 $use_previous_problems = 0; @pg_files = (); ## clear old problems 617 $use_previous_problems = 0; @pg_files = (); ## clear old problems
618 618
619 ##### Change the seed value 619 ##### Change the seed value
620 620
621 } elsif ($r->param('rerandomize')) { 621 } elsif ($r->param('rerandomize')) {
622 $problem_seed++; 622 $problem_seed++;
623 $r->param('problem_seed', $problem_seed); 623 $r->param('problem_seed', $problem_seed);
624 $self->addbadmessage('Changing the problem seed for display, but there are no problems showing.') if $none_shown; 624 $self->addbadmessage('Changing the problem seed for display, but there are no problems showing.') if $none_shown;
625 625
626 ##### Clear the display 626 ##### Clear the display
627 627
628 } elsif ($r->param('cleardisplay')) { 628 } elsif ($r->param('cleardisplay')) {
629 @pg_files = (); 629 @pg_files = ();
630 $use_previous_problems=0; 630 $use_previous_problems=0;
631 $self->addbadmessage('The display was already cleared.') if $none_shown; 631 $self->addbadmessage('The display was already cleared.') if $none_shown;
632 632
633 ##### View problems selected from the local list 633 ##### View problems selected from the local list
634 634
635 } elsif ($r->param('view_local_set')) { 635 } elsif ($r->param('view_local_set')) {
636 636
637 my $set_to_display = $r->param('library_sets'); 637 my $set_to_display = $r->param('library_sets');
638 if (not defined($set_to_display) or $set_to_display eq SELECT_LOCAL_STRING or $set_to_display eq "Found no directories containing problems") { 638 if (not defined($set_to_display) or $set_to_display eq SELECT_LOCAL_STRING or $set_to_display eq "Found no directories containing problems") {
639 $self->addbadmessage('You need to select a set to view.'); 639 $self->addbadmessage('You need to select a set to view.');
640 } else { 640 } else {
641 $set_to_display = '.' if $set_to_display eq MY_PROBLEMS; 641 $set_to_display = '.' if $set_to_display eq MY_PROBLEMS;
642 $set_to_display = substr($browse_which,7) if $set_to_display eq MAIN_PROBLEMS; 642 $set_to_display = substr($browse_which,7) if $set_to_display eq MAIN_PROBLEMS;
643 @pg_files = list_pg_files($ce->{courseDirs}->{templates}, 643 @pg_files = list_pg_files($ce->{courseDirs}->{templates},
644 "$set_to_display"); 644 "$set_to_display");
645 $use_previous_problems=0; 645 $use_previous_problems=0;
646 } 646 }
647 647
648 ##### View problems selected from the a set in this course 648 ##### View problems selected from the a set in this course
649 649
650 } elsif ($r->param('view_mysets_set')) { 650 } elsif ($r->param('view_mysets_set')) {
651 651
652 my $set_to_display = $r->param('library_sets'); 652 my $set_to_display = $r->param('library_sets');
653 if (not defined($set_to_display) 653 if (not defined($set_to_display)
654 or $set_to_display eq "Select a Problem Set" 654 or $set_to_display eq "Select a Problem Set"
655 or $set_to_display eq NO_LOCAL_SET_STRING) { 655 or $set_to_display eq NO_LOCAL_SET_STRING) {
656 $self->addbadmessage("You need to select a set from this course to view."); 656 $self->addbadmessage("You need to select a set from this course to view.");
657 } else { 657 } else {
658 my @problemList = $db->listGlobalProblems($set_to_display); 658 my @problemList = $db->listGlobalProblems($set_to_display);
659 my $problem; 659 my $problem;
660 @pg_files=(); 660 @pg_files=();
661 for $problem (@problemList) { 661 for $problem (@problemList) {
662 my $problemRecord = $db->getGlobalProblem($set_to_display, $problem); # checked 662 my $problemRecord = $db->getGlobalProblem($set_to_display, $problem); # checked
663 die "global $problem for set $set_to_display not found." unless 663 die "global $problem for set $set_to_display not found." unless
664 $problemRecord; 664 $problemRecord;
665 push @pg_files, $problemRecord->source_file; 665 push @pg_files, $problemRecord->source_file;
666 666
667 } 667 }
668 $use_previous_problems=0; 668 $use_previous_problems=0;
669 } 669 }
670 670
671 ##### View whole chapter from the library 671 ##### View whole chapter from the library
672 ## This will change somewhat later 672 ## This will change somewhat later
673 673
674 } elsif ($r->param('lib_view')) { 674 } elsif ($r->param('lib_view')) {
675 675
676 @pg_files=(); 676 @pg_files=();
677 my $chap = $r->param('library_chapters') || ""; 677 my $chap = $r->param('library_chapters') || "";
678 $chap = "" if($chap eq "All Chapters"); 678 $chap = "" if($chap eq "All Chapters");
679 my $sect = $r->param('library_sections') || ""; 679 my $sect = $r->param('library_sections') || "";
680 $sect = "" if($sect eq "All Sections"); 680 $sect = "" if($sect eq "All Sections");
681 my @dbsearch = WeBWorK::Utils::ListingDB::getSectionListings($r->{ce}, "$chap", "$sect"); 681 my @dbsearch = WeBWorK::Utils::ListingDB::getSectionListings($r->{ce}, "$chap", "$sect");
682 my ($result, $tolibpath); 682 my ($result, $tolibpath);
683 for $result (@dbsearch) { 683 for $result (@dbsearch) {
684 $tolibpath = "Library/$result->{path}/$result->{filename}"; 684 $tolibpath = "Library/$result->{path}/$result->{filename}";
685 685
686 ## Too clunky!!!! 686 ## Too clunky!!!!
687 push @pg_files, $tolibpath; 687 push @pg_files, $tolibpath;
688 } 688 }
689 $use_previous_problems=0; 689 $use_previous_problems=0;
690 690
691 ##### Edit the current local problem set 691 ##### Edit the current local problem set
692 692
693 } elsif ($r->param('edit_local')) { ## Jump to set edit page 693 } elsif ($r->param('edit_local')) { ## Jump to set edit page
694 694
695 ; # already handled 695 ; # already handled
696 696
697 697
698 ##### Make a new local problem set 698 ##### Make a new local problem set
699 699
700 } elsif ($r->param('new_local_set')) { 700 } elsif ($r->param('new_local_set')) {
701 if ($r->param('new_set_name') !~ /^[\w.-]*$/) { 701 if ($r->param('new_set_name') !~ /^[\w.-]*$/) {
702 $self->addbadmessage("The name ".$r->param('new_set_name')." is not a valid set name. Use only letters, digits, -, _, and ."); 702 $self->addbadmessage("The name ".$r->param('new_set_name')." is not a valid set name. Use only letters, digits, -, _, and .");
703 } else { 703 } else {
704 my $newSetName = $r->param('new_set_name'); 704 my $newSetName = $r->param('new_set_name');
705 $newSetName =~ s/^set//; 705 $newSetName =~ s/^set//;
706 $newSetName =~ s/\.def$//; 706 $newSetName =~ s/\.def$//;
707 $r->param('local_sets',$newSetName); 707 $r->param('local_sets',$newSetName);
708 my $newSetRecord = $db->getGlobalSet($newSetName); 708 my $newSetRecord = $db->getGlobalSet($newSetName);
709 if (defined($newSetRecord)) { 709 if (defined($newSetRecord)) {
710 $self->addbadmessage("The set name $newSetName is already in use. Pick a different name if you would like to start a new set."); 710 $self->addbadmessage("The set name $newSetName is already in use. Pick a different name if you would like to start a new set.");
711 } else { # Do it! 711 } else { # Do it!
712 $newSetRecord = $db->{set}->{record}->new(); 712 $newSetRecord = $db->{set}->{record}->new();
713 $newSetRecord->set_id($newSetName); 713 $newSetRecord->set_id($newSetName);
714 $newSetRecord->set_header(""); 714 $newSetRecord->set_header("");
715 $newSetRecord->hardcopy_header(""); 715 $newSetRecord->hardcopy_header("");
716 $newSetRecord->open_date(time()+60*60*24*7); # in one week 716 $newSetRecord->open_date(time()+60*60*24*7); # in one week
… …
719 eval {$db->addGlobalSet($newSetRecord)}; 719 eval {$db->addGlobalSet($newSetRecord)};
720 $self->addgoodmessage("Set $newSetName has been created."); 720 $self->addgoodmessage("Set $newSetName has been created.");
721 my $selfassign = $r->param('selfassign') || ""; 721 my $selfassign = $r->param('selfassign') || "";
722 $selfassign = "" if($selfassign =~ /false/i); # deal with javascript false 722 $selfassign = "" if($selfassign =~ /false/i); # deal with javascript false
723 if($selfassign) { 723 if($selfassign) {
724 $self->assignSetToUser($userName, $newSetRecord); 724 $self->assignSetToUser($userName, $newSetRecord);
725 $self->addgoodmessage("Set $newSetName was assigned to $userName."); 725 $self->addgoodmessage("Set $newSetName was assigned to $userName.");
726 } 726 }
727 } 727 }
728 } 728 }
729 729
730 ##### Add selected problems to the current local set 730 ##### Add selected problems to the current local set
731 731
732 } elsif ($r->param('update')) { 732 } elsif ($r->param('update')) {
733 ## first handle problems to be added before we hide them 733 ## first handle problems to be added before we hide them
734 my($localSet, @selected); 734 my($localSet, @selected);
735 735
736 @pg_files = grep {($_->[1] & ADDED) != 0 } @{$self->{past_problems}}; 736 @pg_files = grep {($_->[1] & ADDED) != 0 } @{$self->{past_problems}};
737 @selected = map {$_->[0]} @pg_files; 737 @selected = map {$_->[0]} @pg_files;
738 738
739 my @action_files = grep {$_->[1] > 0 } @{$self->{past_problems}}; 739 my @action_files = grep {$_->[1] > 0 } @{$self->{past_problems}};
740 # There are now good reasons to do an update without selecting anything. 740 # There are now good reasons to do an update without selecting anything.
741 #if(scalar(@action_files) == 0) { 741 #if(scalar(@action_files) == 0) {
742 # $self->addbadmessage('Update requested, but no problems were marked.'); 742 # $self->addbadmessage('Update requested, but no problems were marked.');
743 #} 743 #}
744 744
745 if (scalar(@selected)>0) { # if some are to be added, they need a place to go 745 if (scalar(@selected)>0) { # if some are to be added, they need a place to go
746 $localSet = $r->param('local_sets'); 746 $localSet = $r->param('local_sets');
747 if (not defined($localSet) or 747 if (not defined($localSet) or
748 $localSet eq SELECT_SET_STRING or 748 $localSet eq SELECT_SET_STRING or
749 $localSet eq NO_LOCAL_SET_STRING) { 749 $localSet eq NO_LOCAL_SET_STRING) {
750 $self->addbadmessage('You are trying to add problems to something, but you did not select a "Target Set" name as a target.'); 750 $self->addbadmessage('You are trying to add problems to something, but you did not select a "Target Set" name as a target.');
751 } else { 751 } else {
752 my $newSetRecord = $db->getGlobalSet($localSet); 752 my $newSetRecord = $db->getGlobalSet($localSet);
753 if (not defined($newSetRecord)) { 753 if (not defined($newSetRecord)) {
754 $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."); 754 $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.");
755 } else { 755 } else {
756 my $addcount = add_selected($self, $db, $localSet); 756 my $addcount = add_selected($self, $db, $localSet);
757 if($addcount > 0) { 757 if($addcount > 0) {
758 $self->addgoodmessage("Added $addcount problem".(($addcount>1)?'s':''). 758 $self->addgoodmessage("Added $addcount problem".(($addcount>1)?'s':'').
759 " to $localSet."); 759 " to $localSet.");
760 }
761 } 760 }
762 } 761 }
763 } 762 }
763 }
764 ## now handle problems to be hidden 764 ## now handle problems to be hidden
765 765
766 ## only keep the ones which are not hidden 766 ## only keep the ones which are not hidden
767 @pg_files = grep {($_->[1] & HIDDEN) ==0 } @{$self->{past_problems}}; 767 @pg_files = grep {($_->[1] & HIDDEN) ==0 } @{$self->{past_problems}};
768 @past_marks = map {$_->[1]} @pg_files; 768 @past_marks = map {$_->[1]} @pg_files;
769 @pg_files = map {$_->[0]} @pg_files; 769 @pg_files = map {$_->[0]} @pg_files;
770 @all_past_list = (@all_past_list[0..($first_shown-1)], 770 @all_past_list = (@all_past_list[0..($first_shown-1)],
771 @pg_files, 771 @pg_files,
772 @all_past_list[($last_shown+1)..(scalar(@all_past_list)-1)]); 772 @all_past_list[($last_shown+1)..(scalar(@all_past_list)-1)]);
773 $last_shown = $first_shown+$maxShown -1; 773 $last_shown = $first_shown+$maxShown -1;
774 $last_shown = (scalar(@all_past_list)-1) if($last_shown>=scalar(@all_past_list)); 774 $last_shown = (scalar(@all_past_list)-1) if($last_shown>=scalar(@all_past_list));
775 775
776 } elsif ($r->param('next_page')) { 776 } elsif ($r->param('next_page')) {
777 $first_shown = $last_shown+1; 777 $first_shown = $last_shown+1;
778 $last_shown = $first_shown+$maxShown-1; 778 $last_shown = $first_shown+$maxShown-1;
779 $last_shown = (scalar(@all_past_list)-1) if($last_shown>=scalar(@all_past_list)); 779 $last_shown = (scalar(@all_past_list)-1) if($last_shown>=scalar(@all_past_list));
780 @past_marks = (); 780 @past_marks = ();
781 } elsif ($r->param('prev_page')) { 781 } elsif ($r->param('prev_page')) {
782 $last_shown = $first_shown-1; 782 $last_shown = $first_shown-1;
783 $first_shown = $last_shown - $maxShown+1; 783 $first_shown = $last_shown - $maxShown+1;
784 784
785 $first_shown = 0 if($first_shown<0); 785 $first_shown = 0 if($first_shown<0);
786 @past_marks = (); 786 @past_marks = ();
787 787
788 } elsif ($r->param('select_all')) { 788 } elsif ($r->param('select_all')) {
789 @past_marks = map {1} @past_marks; 789 @past_marks = map {1} @past_marks;
790 } elsif ($r->param('select_none')) { 790 } elsif ($r->param('select_none')) {
791 @past_marks = (); 791 @past_marks = ();
792 792
793 ##### No action requested, probably our first time here 793 ##### No action requested, probably our first time here
794 794
795 } else { 795 } else {
796 #my $c = $r->connection; 796 #my $c = $r->connection;
797 #print "Debug info: ". $r->get_remote_host ."<p>". $c->remote_ip ; 797 #print "Debug info: ". $r->get_remote_host ."<p>". $c->remote_ip ;
798 ; 798 ;
799 } ##### end of the if elsif ... 799 } ##### end of the if elsif ...
800 800
801 801
802 ############# List of local sets 802 ############# List of local sets
803 803
804 my @all_set_defs = $db->listGlobalSets; 804 my @all_set_defs = $db->listGlobalSets;
805 @all_set_defs = sortByName(undef, @all_set_defs); 805 @all_set_defs = sortByName(undef, @all_set_defs);
806 806
807 if ($use_previous_problems) { 807 if ($use_previous_problems) {
808 @pg_files = @all_past_list; 808 @pg_files = @all_past_list;
809 } else { 809 } else {
810 $first_shown = 0; 810 $first_shown = 0;
811 $last_shown = scalar(@pg_files)<$maxShown ? scalar(@pg_files) : $maxShown; 811 $last_shown = scalar(@pg_files)<$maxShown ? scalar(@pg_files) : $maxShown;
812 $last_shown--; # to make it an array index 812 $last_shown--; # to make it an array index
813 @past_marks = (); 813 @past_marks = ();
814 } 814 }
815 ############# Now store data in self for retreival by body 815 ############# Now store data in self for retreival by body
816 $self->{first_shown} = $first_shown; 816 $self->{first_shown} = $first_shown;
817 $self->{last_shown} = $last_shown; 817 $self->{last_shown} = $last_shown;
818 $self->{browse_which} = $browse_which; 818 $self->{browse_which} = $browse_which;
819 $self->{problem_seed} = $problem_seed; 819 $self->{problem_seed} = $problem_seed;
820 $self->{pg_files} = \@pg_files; 820 $self->{pg_files} = \@pg_files;
821 $self->{past_marks} = \@past_marks; 821 $self->{past_marks} = \@past_marks;
822 $self->{all_set_defs} = \@all_set_defs; 822 $self->{all_set_defs} = \@all_set_defs;
823 823
824} 824}
825 825
826 826
827sub title { 827sub title {
828 return "Problem Set Maker"; 828 return "Problem Set Maker";
829} 829}
830 830
831sub body { 831sub body {
832 my ($self) = @_; 832 my ($self) = @_;
833 833
834 my $r = $self->r; 834 my $r = $self->r;
835 my $ce = $r->ce; # course environment 835 my $ce = $r->ce; # course environment
836 my $db = $r->db; # database 836 my $db = $r->db; # database
837 my $j; # garden variety counter 837 my $j; # garden variety counter
838 838
839 my $userName = $r->param('user'); 839 my $userName = $r->param('user');
840 840
841 my $user = $db->getUser($userName); # checked 841 my $user = $db->getUser($userName); # checked
842 die "record for user $userName (real user) does not exist." 842 die "record for user $userName (real user) does not exist."
843 unless defined $user; 843 unless defined $user;
844 844
845 ### Check that this is a professor 845 ### Check that this is a professor
846 my $authz = $r->authz; 846 my $authz = $r->authz;
847 unless ($authz->hasPermissions($userName, "modify_problem_sets")) { 847 unless ($authz->hasPermissions($userName, "modify_problem_sets")) {
848 print "User $userName returned " . 848 print "User $userName returned " .
849 $authz->hasPermissions($user, "modify_problem_sets") . 849 $authz->hasPermissions($user, "modify_problem_sets") .
850 " for permission"; 850 " for permission";
851 return(CGI::div({class=>'ResultsWithError'}, 851 return(CGI::div({class=>'ResultsWithError'},
852 CGI::em("You are not authorized to access the Instructor tools."))); 852 CGI::em("You are not authorized to access the Instructor tools.")));
853 } 853 }
854 854
855 ########## Extract information computed in pre_header_initialize 855 ########## Extract information computed in pre_header_initialize
856 856
857 my $first_shown = $self->{first_shown}; 857 my $first_shown = $self->{first_shown};
858 my $last_shown = $self->{last_shown}; 858 my $last_shown = $self->{last_shown};
859 my $browse_which = $self->{browse_which}; 859 my $browse_which = $self->{browse_which};
860 my $problem_seed = $self->{problem_seed}; 860 my $problem_seed = $self->{problem_seed};
861 my @pg_files = @{$self->{pg_files}}; 861 my @pg_files = @{$self->{pg_files}};
862 my @all_set_defs = @{$self->{all_set_defs}}; 862 my @all_set_defs = @{$self->{all_set_defs}};
863 863
864 my @pg_html=($last_shown>=$first_shown) ? 864 my @pg_html=($last_shown>=$first_shown) ?
865 renderProblems(r=> $r, 865 renderProblems(r=> $r,
866 user => $user, 866 user => $user,
867 problem_list => [@pg_files[$first_shown..$last_shown]], 867 problem_list => [@pg_files[$first_shown..$last_shown]],
868 displayMode => $r->param('mydisplayMode')) : (); 868 displayMode => $r->param('mydisplayMode')) : ();
869 869
870 ########## Top part 870 ########## Top part
871 print CGI::startform({-method=>"POST", -action=>$r->uri, -name=>'mainform'}), 871 print CGI::startform({-method=>"POST", -action=>$r->uri, -name=>'mainform'}),
872 $self->hidden_authen_fields, 872 $self->hidden_authen_fields,
873 '<div align="center">', 873 '<div align="center">',
874 CGI::start_table({-border=>2}); 874 CGI::start_table({-border=>2});
875 $self->make_top_row('all_set_defs'=>\@all_set_defs, 875 $self->make_top_row('all_set_defs'=>\@all_set_defs,
876 'browse_which'=> $browse_which); 876 'browse_which'=> $browse_which);
877 print CGI::hidden(-name=>'browse_which', -default=>[$browse_which]), 877 print CGI::hidden(-name=>'browse_which', -default=>[$browse_which]),
878 CGI::hidden(-name=>'problem_seed', -default=>[$problem_seed]); 878 CGI::hidden(-name=>'problem_seed', -default=>[$problem_seed]);
879 for ($j = 0 ; $j < scalar(@pg_files) ; $j++) { 879 for ($j = 0 ; $j < scalar(@pg_files) ; $j++) {
880 print CGI::hidden(-name=>"all_past_list$j", -default=>$pg_files[$j]); 880 print CGI::hidden(-name=>"all_past_list$j", -default=>$pg_files[$j]);
881 } 881 }
882 882
883 print CGI::hidden(-name=>'first_shown', -default=>[$first_shown]); 883 print CGI::hidden(-name=>'first_shown', -default=>[$first_shown]);
884 print CGI::hidden(-name=>'last_shown', -default=>[$last_shown]); 884 print CGI::hidden(-name=>'last_shown', -default=>[$last_shown]);
885 885
886 886
887 ########## Now print problems 887 ########## Now print problems
888 my $jj; 888 my $jj;
889 for ($jj=0; $jj<scalar(@pg_html); $jj++) { 889 for ($jj=0; $jj<scalar(@pg_html); $jj++) {
890 $pg_files[$jj] =~ s|^$ce->{courseDirs}->{templates}/?||; 890 $pg_files[$jj] =~ s|^$ce->{courseDirs}->{templates}/?||;
891 $self->make_data_row($pg_files[$jj+$first_shown], $pg_html[$jj], $jj+1, $self->{past_marks}->[$jj]); 891 $self->make_data_row($pg_files[$jj+$first_shown], $pg_html[$jj], $jj+1, $self->{past_marks}->[$jj]);
892 } 892 }
893 893
894 ########## Finish things off 894 ########## Finish things off
895 print CGI::end_table(); 895 print CGI::end_table();
896 print '</div>'; 896 print '</div>';
897 # if($first_shown>0 or (1+$last_shown)<scalar(@pg_files)) { 897 # if($first_shown>0 or (1+$last_shown)<scalar(@pg_files)) {
898 my ($next_button, $prev_button) = ("", ""); 898 my ($next_button, $prev_button) = ("", "");
899 if ($first_shown > 0) { 899 if ($first_shown > 0) {
900 $prev_button = CGI::submit(-name=>"prev_page", -style=>"width:15ex", 900 $prev_button = CGI::submit(-name=>"prev_page", -style=>"width:15ex",
901 -value=>"Previous page"); 901 -value=>"Previous page");
902 } 902 }
903 if ((1+$last_shown)<scalar(@pg_files)) { 903 if ((1+$last_shown)<scalar(@pg_files)) {
904 $next_button = CGI::submit(-name=>"next_page", -style=>"width:15ex", 904 $next_button = CGI::submit(-name=>"next_page", -style=>"width:15ex",
905 -value=>"Next page"); 905 -value=>"Next page");
906 } 906 }
907 if (scalar(@pg_files)>0) { 907 if (scalar(@pg_files)>0) {
908 print CGI::p(($first_shown+1)."-".($last_shown+1)." of ".scalar(@pg_files). 908 print CGI::p(($first_shown+1)."-".($last_shown+1)." of ".scalar(@pg_files).
909 " shown.", $prev_button, " ", $next_button); 909 " shown.", $prev_button, " ", $next_button);
910 } 910 }
911 # } 911 # }
912 print CGI::endform(), "\n"; 912 print CGI::endform(), "\n";
913 913
914 return ""; 914 return "";
915} 915}
916 916
917############################################## End of Body 917############################################## End of Body
918 918
919# SKEL: To emit your own HTTP header, uncomment this: 919# SKEL: To emit your own HTTP header, uncomment this:
920# 920#
921#sub header { 921#sub header {
922# my ($self) = @_; 922# my ($self) = @_;
923# 923#
924# # Generate your HTTP header here. 924# # Generate your HTTP header here.
925# 925#
926# # If you return something, it will be used as the HTTP status code for this 926# # If you return something, it will be used as the HTTP status code for this
927# # request. The Apache::Constants module might be useful for gerating status 927# # request. The Apache::Constants module might be useful for gerating status
928# # codes. If you don't return anything, the status code "OK" will be used. 928# # codes. If you don't return anything, the status code "OK" will be used.
929# return ""; 929# return "";
930#} 930#}
931 931
932# SKEL: If you need to do any processing after the HTTP header is sent, but before 932# SKEL: If you need to do any processing after the HTTP header is sent, but before
933# any template processing occurs, or you need to calculate values that will be 933# any template processing occurs, or you need to calculate values that will be
934# used in multiple methods, do it in this method: 934# used in multiple methods, do it in this method:
… …
938#} 938#}
939 939
940# SKEL: If you need to add tags to the document <HEAD>, uncomment this method: 940# SKEL: If you need to add tags to the document <HEAD>, uncomment this method:
941# 941#
942#sub head { 942#sub head {
943# my ($self) = @_; 943# my ($self) = @_;
944# 944#
945# # You can print head tags here, like <META>, <SCRIPT>, etc. 945# # You can print head tags here, like <META>, <SCRIPT>, etc.
946# 946#
947# return ""; 947# return "";
948#} 948#}
949 949
950# SKEL: To fill in the "info" box (to the right of the main body), use this 950# SKEL: To fill in the "info" box (to the right of the main body), use this
951# method: 951# method:
952# 952#
953#sub info { 953#sub info {
954# my ($self) = @_; 954# my ($self) = @_;
955# 955#
956# # Print HTML here. 956# # Print HTML here.
957# 957#
958# return ""; 958# return "";
959#} 959#}
960 960
961# SKEL: To provide navigation links, use this method: 961# SKEL: To provide navigation links, use this method:
962# 962#
963#sub nav { 963#sub nav {
964# my ($self, $args) = @_; 964# my ($self, $args) = @_;
965# 965#
966# # See the documentation of path() and pathMacro() in 966# # See the documentation of path() and pathMacro() in
967# # WeBWorK::ContentGenerator for more information. 967# # WeBWorK::ContentGenerator for more information.
968# 968#
969# return ""; 969# return "";
970#} 970#}
971 971
972# SKEL: For a little box for display options, etc., use this method: 972# SKEL: For a little box for display options, etc., use this method:
973# 973#
974#sub options { 974#sub options {
975# my ($self) = @_; 975# my ($self) = @_;
976# 976#
977# # Print HTML here. 977# # Print HTML here.
978# 978#
979# return ""; 979# return "";
980#} 980#}
981 981
982# SKEL: For a list of sibling objects, use this method: 982# SKEL: For a list of sibling objects, use this method:
983# 983#
984#sub siblings { 984#sub siblings {
985# my ($self, $args) = @_; 985# my ($self, $args) = @_;
986# 986#
987# # See the documentation of siblings() and siblingsMacro() in 987# # See the documentation of siblings() and siblingsMacro() in
988# # WeBWorK::ContentGenerator for more information. 988# # WeBWorK::ContentGenerator for more information.
989# # 989# #
990# # Refer to implementations in ProblemSet and Problem. 990# # Refer to implementations in ProblemSet and Problem.
991# 991#
992# return ""; 992# return "";
993#} 993#}
994 994
995=head1 AUTHOR 995=head1 AUTHOR
996 996
997Written by John Jones, jj (at) asu.edu. 997Written by John Jones, jj (at) asu.edu.
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