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Revision 6432 - (view) (download) (as text)
| 1 : | gage | 6432 | loadMacros( |
| 2 : | 'PGchoicemacros.pl', | ||
| 3 : | 'unionUtils.pl', | ||
| 4 : | 'choiceUtils.pl', | ||
| 5 : | ); | ||
| 6 : | |||
| 7 : | sub _alignedChoice_init {}; # don't reload this file | ||
| 8 : | |||
| 9 : | ###################################################################### | ||
| 10 : | # | ||
| 11 : | # Prints questions with the answer rule at the right, all aligned. | ||
| 12 : | # (for use by AlignedList object below) | ||
| 13 : | # | ||
| 14 : | sub aligned_print_q { | ||
| 15 : | my $self = shift; | ||
| 16 : | my (@questions) = @_; | ||
| 17 : | my $length = $self->{ans_rule_len}; | ||
| 18 : | my ($numbered,$equals) = ($self->{numbered},$self->{equals}); | ||
| 19 : | my ($valign,$align) = ($self->{valign},$self->{align}); | ||
| 20 : | my ($sep,$tsep) = ($self->{spacing},$self->{tex_spacing}); | ||
| 21 : | my ($rsep) = ($self->{row_spacing}); | ||
| 22 : | my $i=1; my $quest; my $rest; | ||
| 23 : | |||
| 24 : | my $out = ""; | ||
| 25 : | if ($main::displayMode =~ m/^HTML/) { | ||
| 26 : | $out = "\n<P>\n<TABLE BORDER=0 CELLPADDING=0 CELLSPACING=$sep>\n"; | ||
| 27 : | foreach $quest (@questions) { | ||
| 28 : | if (ref($quest) eq 'ARRAY') {($quest,$rest) = @{$quest}} else {$rest = ''} | ||
| 29 : | $out .= "<TR VALIGN=$valign>"; | ||
| 30 : | $out .= "<TD><B>" . $i++ . ".</B> </TD>" if ($numbered); | ||
| 31 : | $out .= "<TD ALIGN=$align>$quest</TD>"; | ||
| 32 : | $out .= "<TD>=</TD>" if ($equals); | ||
| 33 : | $out .= "<TD>" . ans_rule($length) . $rest . "</TD></TR>\n"; | ||
| 34 : | $out .= "<TR><TD HEIGHT=\"$rsep\"></TD></TR>\n" if ($rsep); | ||
| 35 : | } | ||
| 36 : | $out .= "</TABLE>\n"; | ||
| 37 : | } elsif ($main::displayMode eq 'Latex2HTML') { | ||
| 38 : | $out = "\\par\n\\begin{rawhtml}". | ||
| 39 : | "<TABLE BORDER=0 CELLSPACING=$sep CELLPADDING=0>\\end{rawhtml}\n"; | ||
| 40 : | foreach $quest (@questions) { | ||
| 41 : | if (ref($quest) eq 'ARRAY') {($quest,$rest) = @{$quest}} else {$rest = ''} | ||
| 42 : | $out .= "\\begin{rawhtml}<TR VALIGN=$valign>"; | ||
| 43 : | $out .= "<TD VALIGN=MIDDLE><B>".$i++.".</B> </TD>" if ($numbered); | ||
| 44 : | $out .= "<TD ALIGN=$align>\\end{rawhtml}$quest\\begin{rawhtml}</TD>"; | ||
| 45 : | $out .= "<TD>=</TD>" if ($equals); | ||
| 46 : | $out .= "<TD>\\end{rawhtml}".ans_rule($length).$rest. | ||
| 47 : | "\\begin{rawhtml}</TD></TR>\\end{rawhtml}"; | ||
| 48 : | $out .= "\\begin{rawhtml}<TR><TD HEIGHT=\"$rsep\"></TD></TR>\\end{rawhtml}\n" if ($rsep); | ||
| 49 : | } | ||
| 50 : | $out .= "\\begin{rawhtml}</TABLE>\n\\end{rawhtml}"; | ||
| 51 : | } elsif ($main::displayMode eq 'TeX') { | ||
| 52 : | my $num = ''; $num = 'r' if ($numbered); | ||
| 53 : | my $algn = 'r'; $algn = 'l' if (uc($align) eq "LEFT"); | ||
| 54 : | $algn = 'c' if (uc($align) eq "CENTER"); | ||
| 55 : | $algn .= "c" if ($equals); | ||
| 56 : | $out = "\n\\par\\begin{tabular}{${num}${algn}l}\n"; | ||
| 57 : | foreach $quest (@questions) { | ||
| 58 : | if (ref($quest) eq 'ARRAY') {($quest,$rest) = @{$quest}} else {$rest = ''} | ||
| 59 : | $out .= $i++ . ".\\ &" if ($numbered); | ||
| 60 : | $out .= $quest . "&"; | ||
| 61 : | $out .= "=&" if ($equals); | ||
| 62 : | $out .= "\\ ". ans_rule($length) . $rest . "\\\\ \\noalign{\\kern $tsep}\n"; | ||
| 63 : | } | ||
| 64 : | $out .= "\\end{tabular}\n"; | ||
| 65 : | } else { | ||
| 66 : | $out = "Error: std_aligned_print_q: Unknown displayMode: ". | ||
| 67 : | $main::displayMode; | ||
| 68 : | } | ||
| 69 : | $out; | ||
| 70 : | } | ||
| 71 : | |||
| 72 : | ###################################################################### | ||
| 73 : | # | ||
| 74 : | # Genarate a new AlignedList object | ||
| 75 : | # | ||
| 76 : | # $al = new_aligned_list(options) | ||
| 77 : | # | ||
| 78 : | # Where "options" can be taken from among: | ||
| 79 : | # | ||
| 80 : | # valign => "placement" Sets the vertical alignment for the table | ||
| 81 : | # (default is valign => "MIDDLE") | ||
| 82 : | # | ||
| 83 : | # align => "placement" Sets the horizontal aligmnent for the first | ||
| 84 : | # column of the table | ||
| 85 : | # (default is align => "RIGHT") | ||
| 86 : | # | ||
| 87 : | # spacing => n Sets the CELLSPACING value for the table | ||
| 88 : | # (default is spacing => 5) | ||
| 89 : | # | ||
| 90 : | # tex_spacing => dimen Extra spacing between rows | ||
| 91 : | # (default is tex_spacing => "0pt") | ||
| 92 : | # | ||
| 93 : | # numbered => 1 or 0 1 means the problems should be numbered. | ||
| 94 : | # 0 means no numbers for the problems. | ||
| 95 : | # | ||
| 96 : | # equals => 1 or 0 1 means include a column of equal signs between | ||
| 97 : | # the questions and the answer blocks. | ||
| 98 : | # 0 means no column of equals. | ||
| 99 : | # | ||
| 100 : | # ans_rule_len => n Sets the length of the answer rule | ||
| 101 : | # | ||
| 102 : | # | ||
| 103 : | sub new_aligned_list { | ||
| 104 : | new AlignedList(random(1,2000,1), \&aligned_print_q, \&std_print_a, @_); | ||
| 105 : | } | ||
| 106 : | |||
| 107 : | package AlignedList; | ||
| 108 : | |||
| 109 : | @AlignedList::ISA = qw( List ); | ||
| 110 : | |||
| 111 : | sub new { | ||
| 112 : | my $type = shift; | ||
| 113 : | my ($rnd,$pq,$pa,@params) = @_; | ||
| 114 : | my $self = List->new($rnd,$pq,$pa); | ||
| 115 : | $self = bless $self, $type; | ||
| 116 : | my ($var,$val); | ||
| 117 : | @params = ( | ||
| 118 : | valign => "MIDDLE", | ||
| 119 : | align => "RIGHT", | ||
| 120 : | numbered => 0, | ||
| 121 : | equals => 1, | ||
| 122 : | ans_rule_len => 10, | ||
| 123 : | spacing => 5, | ||
| 124 : | tex_spacing => "0pt", | ||
| 125 : | @params | ||
| 126 : | ); | ||
| 127 : | while (@params) { | ||
| 128 : | $var = shift(@params); $val = shift(@params); | ||
| 129 : | $self->{$var} = $val; | ||
| 130 : | } | ||
| 131 : | return $self; | ||
| 132 : | } | ||
| 133 : | |||
| 134 : | sub qa { | ||
| 135 : | my $self = shift; | ||
| 136 : | $self->SUPER::qa(@_); | ||
| 137 : | my $n = scalar(@{$self->{questions}}); | ||
| 138 : | $self->{selected_q} = [@{$self->{questions}}]; | ||
| 139 : | $self->{selected_a} = [@{$self->{answers}}]; | ||
| 140 : | $self->{slice} = [0..$n]; | ||
| 141 : | $self->{shuffle} = [0..$n]; | ||
| 142 : | $self->{inverted_shuffle} = [0..$n]; | ||
| 143 : | } | ||
| 144 : | |||
| 145 : | sub selectQA { | ||
| 146 : | my $self = shift; | ||
| 147 : | $self->{selected_q} = [@{$self->{questions}}[@{$self->{slice}}]]; | ||
| 148 : | $self->{selected_a} = [@{$self->{answers}}[@{$self->{slice}}]]; | ||
| 149 : | $self->{shuffle} = [0..scalar(@{$self->{slice}})]; | ||
| 150 : | $self->{inverted_shuffle} = [0..scalar(@{$self->{slice}})]; | ||
| 151 : | } | ||
| 152 : | |||
| 153 : | sub correct_ans { | ||
| 154 : | my $self = shift; | ||
| 155 : | return @{$self->{selected_a}} | ||
| 156 : | } | ||
| 157 : | |||
| 158 : | 1; |
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