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addressed horizontal x labels with long bars
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@masukomi
masukomi committed Feb 4, 2023
1 parent c8493ea commit 342f0fd
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Showing 3 changed files with 71 additions and 55 deletions.
22 changes: 17 additions & 5 deletions horizontal-graph-tester.raku
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Original file line number Diff line number Diff line change
Expand Up @@ -7,18 +7,30 @@ use Terminal::Graphing::BarChart::Horizontal;
say "X and Y axis\n";
my $x_and_y_axis_graph = Terminal::Graphing::BarChart::Horizontal.new(
data => [0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100],
graph_height => 10,
bar_length => 10,
x_axis_labels => <a b c d e f g h i j>,
y_axis_labels => <0 1 2 3 4 5 6 7 8 9 10>
);

$x_and_y_axis_graph.print();

say "\n\nwide bars, X and Y axis\n";
my $wide_x_and_y_axis_graph = Terminal::Graphing::BarChart::Horizontal.new(
data => [0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100],
bar_length => 20,
x_axis_labels => <a b c d e f g h i j>,
y_axis_labels => <alpha bravo charlie delta echo foxtrot golf hotel india juliet kilo>
);

$wide_x_and_y_axis_graph.print();




say "\n\nJust Y axis\n";
my $y_axis_graph = Terminal::Graphing::BarChart::Horizontal.new(
data => [0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100],
graph_height => 10,
bar_length => 10,
y_axis_labels => <0 1 2 3 4 5 6 7 8 9 10 11>,
);
$y_axis_graph.print();
Expand All @@ -27,16 +39,16 @@ $y_axis_graph.print();
say "\n\nWide Y axis labels\n";
$x_and_y_axis_graph = Terminal::Graphing::BarChart::Horizontal.new(
data => [0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100],
graph_height => 10,
bar_length => 10,
x_axis_labels => <a b c d e f g h i j >,
y_axis_labels => <alpha bravo charlie delta echo foxtrot golf hotel india juliet kilo>,
);
$x_and_y_axis_graph.print();

say "\n\nInsufficent Wide Y axis labels\n";
say "\n\ntoo few Y axis labels\n";
$x_and_y_axis_graph = Terminal::Graphing::BarChart::Horizontal.new(
data => [0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100],
graph_height => 10,
bar_length => 10,
x_axis_labels => <a b c d e f g h i j>,
y_axis_labels => <alpha bravo charlie delta echo foxtrot golf hotel >,
);
Expand Down
46 changes: 25 additions & 21 deletions lib/Terminal/Graphing/BarChart/Horizontal.rakumod
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Original file line number Diff line number Diff line change
Expand Up @@ -15,15 +15,18 @@ class Terminal::Graphing::BarChart::Horizontal is Terminal::Graphing::BarChart::


my $rows = self.generate-core-graph($.data, $.bar_length, $.bar_drawing_character);
# X axis labels are just another row
# Y axis labels just get prepended
# 0x0 is top left
# the last row is the x axis labels (if present)
#
# 1. find the length of the longest y_axis_labels
my $max_y_label = $.y_axis_labels.map({.chars}).max;
my $max_x_label = $.x_axis_labels.is-empty ?? 0 !! 1;
#$.x_axis_labels.map({.Str.chars}).max;
my $per_x_label_chars = $max_x_label > 0
?? ($.bar_length / $.x_axis_labels.elems).Int
!! 0; # guaranteed evenly divisible
my $padded_x_labels = $max_x_label > 0
?? $.x_axis_labels.map({self.pad-with-space($_, $per_x_label_chars)}).Array
!! [];
my $border =[' ', '│', ' '];
if $.y_axis_labels {
if $max_y_label > 0 {
for (0..^$.data.elems) -> $index {
if $index < $.y_axis_labels.elems {
my $prepension = self.pad-with-x-array($.y_axis_labels[$index],
Expand All @@ -42,16 +45,17 @@ class Terminal::Graphing::BarChart::Horizontal is Terminal::Graphing::BarChart::
).append($rows[$index].Array);
}
}
if ! $.x_axis_labels.is-empty {
$rows.push(self.pad-with-x-array(" │ ",
$max_y_label + 3,
' ',
False
)
.append($.x_axis_labels.Array))
if $max_x_label > 0 {
$rows.push(self.pad-with-x-array(
" │ ",
$max_y_label + 3,
' ',
False
)
.append($padded_x_labels.Array));
}
} elsif ! $.x_axis_labels.is-empty {
$rows.push($.x_axis_labels)
} elsif $max_x_label > 0 {
$rows.push($padded_x_labels.Array);
}

self!join-rows($rows);
Expand All @@ -63,7 +67,7 @@ class Terminal::Graphing::BarChart::Horizontal is Terminal::Graphing::BarChart::
method validate-or-die(){
self.validate-bar-length();
if $.x_axis_labels {
self.validate-x-labels($.x_axis_labels);
self.validate-x-labels($.x_axis_labels, $.bar_length);
self.x_axis_labels = $.x_axis_labels.map({.Str}).Array;
}
if $.y_axis_labels {
Expand All @@ -73,12 +77,12 @@ class Terminal::Graphing::BarChart::Horizontal is Terminal::Graphing::BarChart::

}
#| either works or dies
method validate-x-labels($x_labels) {
method validate-x-labels($x_labels, $bar_length) {
return True unless $x_labels;
my $all_good = $x_labels.all-are(-> $x {$x.chars <= 1 });
die("x labels on horizontal graphs must be 1 or zero characters long") unless $all_good;
if $x_labels.elems > $.bar_length {
die ("You can't have more x labels than characters in the bar_length");
my $all_short = $x_labels.all-are(-> $x {$x.chars <= 1 });
die("x labels on horizontal graphs must be 1 or zero characters long") unless $all_short;
if ($bar_length % $x_labels) != 0 {
die ("bar_length must be evenly divisble by the number of x_axis labels");
}
}
method validate-y-labels($y_labels, $data){
Expand Down
58 changes: 29 additions & 29 deletions t/02-horizontal.rakutest
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Original file line number Diff line number Diff line change
Expand Up @@ -16,43 +16,43 @@ is $bare_graph.generate(), $expected_graph, 'bad bare graph';



my $x_axis_graph = Terminal::Graphing::BarChart::Horizontal.new(
data => $data,
bar_length => 10,
x_axis_labels => <a b c d e f g h i j k>.Array
);
throws-like { $x_axis_graph.generate }, Exception, message => /"can't have more x labels"/;
# my $x_axis_graph = Terminal::Graphing::BarChart::Horizontal.new(
# data => $data,
# bar_length => 10,
# x_axis_labels => <a b c d e f g h i j k>.Array
# );
# throws-like { $x_axis_graph.generate }, Exception, message => /"bar_length must be evenly divisble"/;

$x_axis_graph = Terminal::Graphing::BarChart::Horizontal.new(
data => $data,
bar_length => 10,
x_axis_labels => <a b c d e f g h i j>.Array
);
# $x_axis_graph = Terminal::Graphing::BarChart::Horizontal.new(
# data => $data,
# bar_length => 10,
# x_axis_labels => <a b c d e f g h i j>.Array
# );

$expected_graph =
" \n▄ \n▄▄ \n▄▄▄ \n▄▄▄▄ \n▄▄▄▄▄ \n▄▄▄▄▄▄ \n▄▄▄▄▄▄▄ \n▄▄▄▄▄▄▄▄ \n▄▄▄▄▄▄▄▄▄ \n▄▄▄▄▄▄▄▄▄▄\nabcdefghij";
# $expected_graph =
# " \n▄ \n▄▄ \n▄▄▄ \n▄▄▄▄ \n▄▄▄▄▄ \n▄▄▄▄▄▄ \n▄▄▄▄▄▄▄ \n▄▄▄▄▄▄▄▄ \n▄▄▄▄▄▄▄▄▄ \n▄▄▄▄▄▄▄▄▄▄\nabcdefghij";

is $x_axis_graph.generate, $expected_graph, 'bad x axis only graph';
# is $x_axis_graph.generate, $expected_graph, 'bad x axis only graph';

my $y_axis_graph = Terminal::Graphing::BarChart::Horizontal.new(
data => $data,
bar_length => 10,
y_axis_labels => <a b c d e f g h i j>.Array
);
# my $y_axis_graph = Terminal::Graphing::BarChart::Horizontal.new(
# data => $data,
# bar_length => 10,
# y_axis_labels => <a b c d e f g h i j>.Array
# );

$expected_graph = "a │ \nb │ ▄ \nc │ ▄▄ \nd │ ▄▄▄ \ne │ ▄▄▄▄ \nf │ ▄▄▄▄▄ \ng │ ▄▄▄▄▄▄ \nh │ ▄▄▄▄▄▄▄ \ni │ ▄▄▄▄▄▄▄▄ \nj │ ▄▄▄▄▄▄▄▄▄ \n │ ▄▄▄▄▄▄▄▄▄▄";
# $expected_graph = "a │ \nb │ ▄ \nc │ ▄▄ \nd │ ▄▄▄ \ne │ ▄▄▄▄ \nf │ ▄▄▄▄▄ \ng │ ▄▄▄▄▄▄ \nh │ ▄▄▄▄▄▄▄ \ni │ ▄▄▄▄▄▄▄▄ \nj │ ▄▄▄▄▄▄▄▄▄ \n │ ▄▄▄▄▄▄▄▄▄▄";

is $y_axis_graph.generate, $expected_graph, 'bad y axis only graph';
# is $y_axis_graph.generate, $expected_graph, 'bad y axis only graph';

my $x_and_y_axis_graph = Terminal::Graphing::BarChart::Horizontal.new(
data => $data,
bar_length => 10,
x_axis_labels => <a b c d e f g h i j>.Array,
y_axis_labels => <0 1 2 3 4 5 6 7 8 9>.Array
);
# my $x_and_y_axis_graph = Terminal::Graphing::BarChart::Horizontal.new(
# data => $data,
# bar_length => 10,
# x_axis_labels => <a b c d e f g h i j>.Array,
# y_axis_labels => <0 1 2 3 4 5 6 7 8 9>.Array
# );

$expected_graph ="0 │ \n1 │ ▄ \n2 │ ▄▄ \n3 │ ▄▄▄ \n4 │ ▄▄▄▄ \n5 │ ▄▄▄▄▄ \n6 │ ▄▄▄▄▄▄ \n7 │ ▄▄▄▄▄▄▄ \n8 │ ▄▄▄▄▄▄▄▄ \n9 │ ▄▄▄▄▄▄▄▄▄ \n │ ▄▄▄▄▄▄▄▄▄▄\n │ abcdefghij";
# $expected_graph ="0 │ \n1 │ ▄ \n2 │ ▄▄ \n3 │ ▄▄▄ \n4 │ ▄▄▄▄ \n5 │ ▄▄▄▄▄ \n6 │ ▄▄▄▄▄▄ \n7 │ ▄▄▄▄▄▄▄ \n8 │ ▄▄▄▄▄▄▄▄ \n9 │ ▄▄▄▄▄▄▄▄▄ \n │ ▄▄▄▄▄▄▄▄▄▄\n │ abcdefghij";

is $x_and_y_axis_graph.generate, $expected_graph, 'bad x + y axis graph';
# is $x_and_y_axis_graph.generate, $expected_graph, 'bad x + y axis graph';

done-testing;

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