From 87fc996ecf568d6d73a57c3233e28421352057c1 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Wed, 25 Feb 2015 16:16:35 +0100
Subject: parametric bargraph is parametric

---
 index.pl                   | 67 ++++++++++++++++++++++++++++++++++++++++++++++
 public/css/default.css     |  8 ++++++
 public/js/d3funcs.js       |  2 +-
 templates/barform.html.ep  | 17 ++++++++++++
 templates/bargraph.html.ep |  2 ++
 templates/intro.html.ep    |  4 +++
 6 files changed, 99 insertions(+), 1 deletion(-)
 create mode 100644 templates/barform.html.ep

diff --git a/index.pl b/index.pl
index a76ce5b..1e7888b 100644
--- a/index.pl
+++ b/index.pl
@@ -25,6 +25,54 @@ app->attr(
 	}
 );
 
+helper barplot_args => sub {
+	my ( $self ) = @_;
+
+	return {
+		x => {
+			hour => {
+				desc => 'Stunde',
+				label => 'Angebrochene Stunde',
+			},
+			line => {
+				desc => 'Linie',
+			},
+			station => {
+				desc => 'Bahnhof',
+			},
+			train_type => {
+				desc => 'Zugtyp',
+			},
+			weekday => {
+				desc => 'Wochentag',
+			},
+			weekhour => {
+				desc => 'Wochentag und Stunde',
+				label => 'Wochentag und angebrochene Stunde',
+			},
+		},
+		y => {
+			cancel_num => {
+				desc => 'Anzahl Zugausfälle',
+				label => 'Zugausfälle',
+			},
+			cancel_rate => {
+				desc => 'Zugausfälle',
+				yformat => '.1%',
+			},
+			delay => {
+				desc => 'Durchschnittliche Verspätung',
+				label => 'Minuten',
+				yformat => '.1f',
+			},
+			realtime_rate => {
+				desc => 'Echtzeitdaten vorhanden',
+				yformat => '.1%',
+			},
+		},
+	};
+};
+
 helper count_unique_column => sub {
 	my ( $self, $column ) = @_;
 	my $dbh = $self->app->dbh;
@@ -231,6 +279,25 @@ get '/all' => sub {
 
 get '/bar' => sub {
 	my $self = shift;
+
+	my $xsource = $self->param('xsource');
+	my $ysource = $self->param('ysource');
+
+	my %args = %{$self->barplot_args};
+
+	if (not $self->param('xlabel')) {
+		$self->param(xlabel => $args{x}{$xsource}{label} // $args{x}{$xsource}{desc});
+	}
+	if (not $self->param('ylabel')) {
+		$self->param(ylabel => $args{y}{$ysource}{label} // $args{y}{$ysource}{desc});
+	}
+	if (not $self->param('xformat') and $args{x}{$xsource}{xformat}) {
+		$self->param(xformat => $args{x}{$xsource}{xformat});
+	}
+	if (not $self->param('yformat') and $args{y}{$ysource}{yformat}) {
+		$self->param(yformat => $args{y}{$ysource}{yformat});
+	}
+
 	$self->render('bargraph');
 	return;
 };
diff --git a/public/css/default.css b/public/css/default.css
index 57cf602..7b37068 100644
--- a/public/css/default.css
+++ b/public/css/default.css
@@ -2,6 +2,14 @@ body {
 	font-family: sans-serif;
 }
 
+input, select {
+	border: 1px solid black;
+}
+
+input.dimension {
+	width: 4em;
+}
+
 svg {
   font: 10px sans-serif;
 }
diff --git a/public/js/d3funcs.js b/public/js/d3funcs.js
index ec6699d..0b68bcb 100644
--- a/public/js/d3funcs.js
+++ b/public/js/d3funcs.js
@@ -1,6 +1,6 @@
 show_bargraph = function(datasource, title, xLabel, yLabel, yFormat, width, height) {
 
-  var margin = {top: 40, right: 20, bottom: 30, left: 40};
+  var margin = {top: 40, right: 20, bottom: 40, left: 45};
 
   if (!width) {
     width = 960;
diff --git a/templates/barform.html.ep b/templates/barform.html.ep
new file mode 100644
index 0000000..4d43f42
--- /dev/null
+++ b/templates/barform.html.ep
@@ -0,0 +1,17 @@
+%= form_for bar => begin
+Bargraph:
+% my %yargs = %{$self->barplot_args->{y}};
+% my @yarg_keys = sort keys %yargs;
+%= select_field ysource => [map {[$yargs{$_}->{desc}, $_]} @yarg_keys]
+aufgeteilt nach
+% my %xargs = %{$self->barplot_args->{x}};
+% my @xarg_keys = sort keys %xargs;
+%= select_field xsource => [map {[$xargs{$_}->{desc}, $_]} @xarg_keys]
+mit
+Abmessungen
+%= text_field 'width' => 960, class => 'dimension'
+x
+%= text_field 'height' => 500, class => 'dimension'
+Pixel.
+%= submit_button 'Go'
+% end
diff --git a/templates/bargraph.html.ep b/templates/bargraph.html.ep
index 310220f..3d5eda2 100644
--- a/templates/bargraph.html.ep
+++ b/templates/bargraph.html.ep
@@ -1,3 +1,5 @@
+%= include 'barform';
+
 %= javascript begin
 
 show_bargraph('/2ddata.tsv?aggregate=<%= param('xsource') %>&metric=<%= param('ysource') %>',
diff --git a/templates/intro.html.ep b/templates/intro.html.ep
index 885cd14..1ebb3c0 100644
--- a/templates/intro.html.ep
+++ b/templates/intro.html.ep
@@ -36,3 +36,7 @@ Insgesamt wurden
 dabei ist ein Zug durchschnittlich
 <b><%= sprintf('%.2f', $stats->{delay_avg}) %> Minuten</b> zu spät.
 </div>
+
+<div class="forms">
+%= include 'barform';
+</div>
-- 
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