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%# BEGIN BPS TAGGED BLOCK {{{
%#
%# COPYRIGHT:
%#
%# This software is Copyright (c) 1996-2011 Best Practical Solutions, LLC
%# <sales@bestpractical.com>
%#
%# (Except where explicitly superseded by other copyright notices)
%#
%#
%# LICENSE:
%#
%# This work is made available to you under the terms of Version 2 of
%# the GNU General Public License. A copy of that license should have
%# been provided with this software, but in any event can be snarfed
%# from www.gnu.org.
%#
%# This work is distributed in the hope that it will be useful, but
%# WITHOUT ANY WARRANTY; without even the implied warranty of
%# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%# General Public License for more details.
%#
%# You should have received a copy of the GNU General Public License
%# along with this program; if not, write to the Free Software
%# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
%# 02110-1301 or visit their web page on the internet at
%# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
%#
%#
%# CONTRIBUTION SUBMISSION POLICY:
%#
%# (The following paragraph is not intended to limit the rights granted
%# to you to modify and distribute this software under the terms of
%# the GNU General Public License and is only of importance to you if
%# you choose to contribute your changes and enhancements to the
%# community by submitting them to Best Practical Solutions, LLC.)
%#
%# By intentionally submitting any modifications, corrections or
%# derivatives to this work, or any other work intended for use with
%# Request Tracker, to Best Practical Solutions, LLC, you confirm that
%# you are the copyright holder for those contributions and you grant
%# Best Practical Solutions, LLC a nonexclusive, worldwide, irrevocable,
%# royalty-free, perpetual, license to use, copy, create derivative
%# works based on those contributions, and sublicense and distribute
%# those contributions and any derivatives thereof.
%#
%# END BPS TAGGED BLOCK }}}
<%args>
$Query => "id > 0"
$PrimaryGroupBy => 'Queue'
$SecondaryGroupBy => undef
$ChartStyle => 'bars'
</%args>
<%init>
my $chart_class;
use GD;
use GD::Text;
if ($ChartStyle eq 'pie') {
require GD::Graph::pie;
$chart_class = "GD::Graph::pie";
} else {
require GD::Graph::bars;
$chart_class = "GD::Graph::bars";
}
use RT::Report::Tickets;
my $tix = RT::Report::Tickets->new( $session{'CurrentUser'} );
my %AllowedGroupings = reverse $tix->Groupings( Query => $Query );
$PrimaryGroupBy = 'Queue' unless exists $AllowedGroupings{$PrimaryGroupBy};
my ($count_name, $value_name) = $tix->SetupGroupings(
Query => $Query, GroupBy => $PrimaryGroupBy,
);
my %class = (
Queue => 'RT::Queue',
Owner => 'RT::User',
Creator => 'RT::User',
LastUpdatedBy => 'RT::User',
);
my $class = $class{ $PrimaryGroupBy };
my %data;
my $max_value = 0;
my $max_key_length = 0;
while ( my $entry = $tix->Next ) {
my $key;
if ( $class ) {
my $q = $class->new( $session{'CurrentUser'} );
$q->Load( $entry->LabelValue( $value_name ) );
$key = $q->Name;
}
else {
$key = $entry->LabelValue($value_name);
}
$key ||= '(no value)';
my $value = $entry->__Value( $count_name );
if ($chart_class eq 'GD::Graph::pie') {
$key = loc($key) ." - ". $value;
} else {
$key = loc($key);
}
$data{ $key } = $value;
$max_value = $value if $max_value < $value;
$max_key_length = length $key if $max_key_length < length $key;
}
unless (keys %data) {
$data{''} = 0;
}
my $chart = $chart_class->new( 600 => 400 );
$chart->set( pie_height => 60 ) if $chart_class eq 'GD::Graph::pie';
my %font_config = RT->Config->Get('ChartFont');
my $font = $font_config{ $session{CurrentUser}->UserObj->Lang || '' }
|| $font_config{'others'};
$chart->set_title_font( $font, 16 ) if $chart->can('set_title_font');
$chart->set_legend_font( $font, 16 ) if $chart->can('set_legend_font');
$chart->set_x_label_font( $font, 14 ) if $chart->can('set_x_label_font');
$chart->set_y_label_font( $font, 14 ) if $chart->can('set_y_label_font');
$chart->set_label_font( $font, 14 ) if $chart->can('set_label_font');
$chart->set_x_axis_font( $font, 12 ) if $chart->can('set_x_axis_font');
$chart->set_y_axis_font( $font, 12 ) if $chart->can('set_y_axis_font');
$chart->set_values_font( $font, 12 ) if $chart->can('set_values_font');
$chart->set_value_font( $font, 12 ) if $chart->can('set_value_font');
# Pie charts don't like having no input, so we show a special image
# that indicates an error message. Because this is used in an <img>
# context, it can't be a simple error message. Without this check,
# the chart will just be a non-loading image.
if ($tix->Count == 0) {
my $plot = GD::Image->new(600 => 400);
$plot->colorAllocate(255, 255, 255); # background
my $black = $plot->colorAllocate(0, 0, 0);
require GD::Text::Wrap;
my $error = GD::Text::Wrap->new($plot,
color => $black,
text => loc("No tickets found."),
);
$error->set_font( $font, 16 );
$error->draw(0, 0);
$m->comp( 'SELF:Plot', plot => $plot, %ARGS );
}
if ($chart_class eq "GD::Graph::bars") {
my $count = keys %data;
$chart->set(
x_label => $tix->Label( $PrimaryGroupBy ),
y_label => loc('Tickets'),
show_values => 1,
x_label_position => 0.6,
y_label_position => 0.6,
values_space => -1,
# use a top margin enough to display values over the top line if needed
t_margin => 18,
# the following line to make sure there's enough space for values to show
y_max_value => 5*(int($max_value/5) + 2),
# if there're too many bars or at least one key is too long, use vertical
x_labels_vertical => ( $count * $max_key_length > 60 ) ? 1 : 0,
$count > 30 ? ( bar_spacing => 1 ) : ( $count > 20 ? ( bar_spacing => 2 ) :
( $count > 10 ? ( bar_spacing => 3 ) : ( bar_spacing => 5 ) )
),
);
}
# refine values' colors, with both Color::Scheme's help and my own tweak
$chart->{dclrs} = [
'66cc66', 'ff6666', 'ffcc66', '663399',
'3333cc',
'339933', '993333', '996633', '663399',
'33cc33', 'cc3333', 'cc9933', '6633cc'
];
{
no warnings 'redefine';
*GD::Graph::pick_data_clr = sub {
my $self = shift;
my $color_hex = $self->{dclrs}[ $_[0] % @{ $self->{dclrs} } - 1 ];
return map { hex } ( $color_hex =~ /(..)(..)(..)/ );
};
}
my $plot = $chart->plot( [ [sort keys %data], [map $data{$_}, sort keys %data] ] ) or die $chart->error;
$m->comp( 'SELF:Plot', plot => $plot, %ARGS );
</%init>
<%METHOD Plot>
<%ARGS>
$plot => undef
</%ARGS>
<%INIT>
my @types = ('png', 'gif');
for my $type (@types) {
$plot->can($type)
or next;
$r->content_type("image/$type");
$m->out( $plot->$type );
$m->abort();
}
die "Your GD library appears to support none of the following image types: " . join(', ', @types);
</%INIT>
</%METHOD>
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