/[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 873 - (show annotations)
Wed Dec 17 18:15:17 2008 UTC (15 years, 4 months ago) by dpavlin
File size: 2860 byte(s)
report no data flags, remove -A and -S from user interface
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 $placeholder = qq|<div class="frey-error">no data found</div>|;
62 my $data_js = '';
63 if ( $dataset ) {
64 $data_js = 'var datasets = ' . to_json( $dataset ) . ";\n";
65 $placeholder = qq|<div id="placeholder" style="width:600px;height:300px;"></div>|;
66 }
67
68 warn "# $data_js" if $self->debug;
69
70 my $sar = $self->sar_command;
71 my $c = $sar;
72 $c =~ s{(-n\s*\d+).*}{$1};
73
74 my $form = qq|
75 <form method="post">
76 <b>From</b> <input type="submit" value="refresh"><br>
77 |;
78
79 my $flags = `atsar help 2>&1`;
80 $flags =~ s{^.+flags:\s+}{}s;
81 $flags =~ s{^\s*-[AS].+$}{}gm; # remove -A and -S flags which doesn't make sense
82 $flags =~ s{^\s+}{}s;
83
84 foreach my $line ( split(/\s*\n\s*/, $flags ) ) {
85 my ( $flag, $desc ) = split(/\s+/, $line, 2 );
86 warn "# $flag | $desc";
87 my $v = "$c $flag";
88 my $checked = '';
89 $checked = " checked" if $v eq $self->sar_command;
90 $form .= qq|<input type="radio" name="sar_command" value="$v"$checked>$desc<br>\n|;
91 }
92
93 $form .= qq|
94 </form>
95 |;
96
97 $self->add_css(q|
98 #choices, form { float: left; }
99 |);
100
101 return
102 qq|
103
104 $placeholder
105
106 <br><tt>$sar</tt>
107
108 $form
109
110 <div id="choices"><b>Show</b></div>
111
112 | . q|
113 <script id="source" language="javascript" type="text/javascript">
114 $(function () {
115 var options = {
116 selection: { mode: "x" },
117 //yaxis: { min: 0, max: 100 },
118 xaxis: { mode: "time" }
119 };
120
121 |
122 . $data_js
123 . $self->read_file('static/Frey/jQuery/flot/dataset_checkboxes.js')
124 .
125 q|
126
127 });
128 </script>
129
130 |;
131 }
132
133 1;

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