/[Frey]/trunk/lib/Frey/jQuery/flot.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /trunk/lib/Frey/jQuery/flot.pm

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Revision 871 - (show annotations)
Wed Dec 17 17:59:59 2008 UTC (15 years, 4 months ago) by dpavlin
File size: 2606 byte(s)
add support for units (M, %) to correctly draw all values

1 package Frey::jQuery::flot;
2 use Moose;
3
4 extends 'Frey';
5 with 'Frey::Web';
6 #with 'Frey::Storage';
7 with 'Frey::jQuery';
8 with 'Frey::File'; # FIXME inline on demand?
9
10 use DateTimeX::Easy;
11
12 use lib 'lib';
13 use Frey::Shell::sar;
14 use JSON;
15
16 has sar_command => (
17 is => 'rw',
18 isa => 'Str',
19 required => 1,
20 default => 'ssh www.rot13.org sar -n 1',
21 );
22
23 sub as_markup {
24 my ($self) = @_;
25
26 my $path = 'static/js/flot';
27
28 $self->add_js(qq|
29 <!--[if IE]><script language="javascript" type="text/javascript" src="/$path/excanvas.pack.js"></script><![endif]-->
30 <script language="javascript" type="text/javascript" src="/$path/jquery.flot.js"></script>
31 |);
32
33 $self->add_css("$path/layout.css");
34
35 my $sponge = Frey::Shell::sar->new( sar_command => $self->sar_command )->as_sponge;
36 #warn $self->dump( $sponge );
37
38 my $by_col;
39 my $unit_by_col;
40
41 foreach my $row ( @{ $sponge->{rows} } ) {
42 my $x = DateTimeX::Easy->new( $row->[0] )->epoch * 1000; # ms
43 foreach my $col ( 1 .. $#$row ) {
44 my $v = $row->[$col];
45 $unit_by_col->{$col} = $1 if $v =~ s{([M%])$}{};
46 push @{ $by_col->{$col} }, [ $x, $v ];
47 }
48 }
49
50 my $dataset;
51 my @names;
52 foreach my $nr ( keys %$by_col ) {
53 my $name = $sponge->{NAME}->[$nr];
54 $dataset->{ $name }->{label}
55 ||= $name
56 . ( $unit_by_col->{$nr} ? ' [' . $unit_by_col->{$nr} . ']' : '' )
57 ;
58 $dataset->{ $name }->{data} = $by_col->{$nr};
59 }
60
61 my $data_js = 'var datasets = ' . to_json( $dataset ) . ";\n";
62
63 warn "# $data_js" if $self->debug;
64
65 my $sar = $self->sar_command;
66 my $c = $sar;
67 $c =~ s{(-n\s*\d+).*}{$1};
68
69 my $form = qq|
70 <form method="post">
71 <b>From</b> <input type="submit" value="refresh"><br>
72 |;
73
74 my $flags = `atsar help 2>&1`;
75 $flags =~ s{^.+flags:\s+}{}s;
76
77 foreach my $line ( split(/\s*\n\s*/, $flags ) ) {
78 my ( $flag, $desc ) = split(/\s+/, $line, 2 );
79 warn "# $flag | $desc";
80 my $v = "$c $flag";
81 my $checked = '';
82 $checked = " checked" if $v eq $self->sar_command;
83 $form .= qq|<input type="radio" name="sar_command" value="$v"$checked>$desc<br>\n|;
84 }
85
86 $form .= qq|
87 </form>
88 |;
89
90 $self->add_css(q|
91 #choices, form { float: left; }
92 |);
93
94 qq|
95 <div id="placeholder" style="width:600px;height:300px;"></div>
96
97 <br><tt>$sar</tt>
98
99 $form
100 <div id="choices"><b>Show</b></div>
101
102 | . q|
103 <script id="source" language="javascript" type="text/javascript">
104 $(function () {
105 var options = {
106 selection: { mode: "x" },
107 //yaxis: { min: 0, max: 100 },
108 xaxis: { mode: "time" }
109 };
110
111 |
112 . $data_js
113 . $self->read_file('static/Frey/jQuery/flot/dataset_checkboxes.js')
114 .
115 q|
116
117 });
118 </script>
119
120 |;
121 }
122
123 1;

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