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<?php
/**
* phpVMS - Virtual Airline Administration Software
* Copyright © 2008 Nabeel Shahzad
* For more information, visit www.phpvms.net
* Forums: http://www.phpvms.net/forum'>http://www.phpvms.net/forum
* Documentation: http://www.phpvms.net/docs'>http://www.phpvms.net/docs
*
* phpVMS is licenced under the following license:
* Creative Commons Attribution Non-commercial Share Alike (by-nc-sa)
* View license.txt in the root, or visit http://creativecommons.org/licenses/by-nc-sa/3.0/
*
* @author Nabeel Shahzad
* @copyright Copyright © 2008, Nabeel Shahzad
* @link http://www.phpvms.net
* @license http://creativecommons.org/licenses/by-nc-sa/3.0/
*/
class OFCharts extends CodonData
{
protected static $chart;
protected static $x_axis;
protected static $y_axis;
protected static $data_set = array();
protected static $range;
protected static function init()
{
include_once CORE_LIB_PATH.'/php-ofc-library/open-flash-chart.php';
self::$chart = new open_flash_chart();
self::$y_axis = new y_axis();
self::$x_axis = new x_axis();
}
protected static function get_range($values)
{
# Determine a max
$range = array(
'max' => $values[0],
'min' => $values[1],
);
foreach($values as $v)
{
if($v > $range['max'])
$range['max'] = $v;
if($v < $range['min'])
$range['min'] = $v;
}
if($range['max'] == $range['min'])
{
$step = ceil($range['max']/2);
}
else
{
$diff = intval(abs($range['max'] - $range['min']));
$step = ceil(($diff / 90));
}
$range['max'] += $step;
$range['min'] -= $step;
return $range;
}
public static function add_data_set($titles, $values, $line_title = '', $color='#3D5C56')
{
self::$data_set[] = array(
'line_title' => $line_title,
'titles' => $titles,
'values' => $values,
'color' => $color,
);
}
public static function create_pie_graph($title)
{
self::init();
$d = array();
foreach(self::$data_set as $data)
{
$d[] = new pie_value($data['values'], $data['titles']);
}
$pie = new pie();
$pie->start_angle(35)
->add_animation( new pie_fade() )
->add_animation( new pie_bounce(4) )
// ->label_colour('#432BAF') // <-- uncomment to see all labels set to blue
->gradient_fill()
->tooltip( '#val# of #total#<br>#percent# of 100%' )
->colours(
array(
'#1F8FA1', // <-- blue
'#848484', // <-- grey
'#CACFBE', // <-- green
'#DEF799' // <-- light green
)
);
$pie->set_values( $d );
self::$chart->add_element($pie);
self::show_chart($title);
}
public static function create_area_graph($title)
{
self::init();
$d = new solid_dot();
$d->size(3)->halo_size(1)->colour('#3D5C56');
$range_values = array();
foreach(self::$data_set as $data)
{
if(!is_array($data['values']))
continue;
$area = new area();
// set the circle line width:
$area->set_width( 2 );
$area->set_default_dot_style($d);
$area->set_colour($data['color']);
$area->set_fill_colour($data['color']);
$area->set_fill_alpha( .3 );
$area->on_show(new line_on_show('pop-up', 2, 0.5));
$area->set_key($data['line_title'], 10);
$area->set_values($data['values']);
# Since there should be an even number on the xaxis for all sets
$x_axis_titles = $data['titles'];
# Add our values into a big bucket so we can get the highest and lowest
$range_values = array_merge($range_values, $data['values']);
self::$chart->add_element($area);
}
$x_labels = new x_axis_labels();
$x_labels->set_labels( $x_axis_titles );
$x_labels->set_vertical();
self::$x_axis->set_labels( $x_labels );
$range = self::get_range($range_values);
self::$y_axis->set_range($range['min'], $range['max']);
self::show_chart($title);
}
/**
* Create a single line graph
*
* @param string $title Title of the graph
* @param array $values Array of values
* @param array $titles Array of titles
* @return none
*
*/
public static function create_line_graph($title)
{
self::init();
$d = new solid_dot();
$d->size(3)->halo_size(1)->colour('#3D5C56');
$range_values = array();
foreach(self::$data_set as $data)
{
if(!is_array($data['values']))
continue;
$line = new line();
$line->set_default_dot_style($d);
$line->set_values($data['values']);
$line->set_width(2);
$line->set_key($data['line_title'], 10);
$line->set_colour($data['color']);
# Since there should be an even number on the xaxis for all sets
$x_axis_titles = $data['titles'];
# Add our values into a big bucket so we can get the highest and lowest
$range_values = array_merge($range_values, $data['values']);
self::$chart->add_element($line);
}
$x_labels = new x_axis_labels();
$x_labels->set_labels( $x_axis_titles );
$x_labels->set_vertical();
self::$x_axis->set_labels( $x_labels );
$range = self::get_range($range_values);
self::$y_axis->set_range($range['min'], $range['max']);
self::show_chart($title);
}
protected static function show_chart($title)
{
$title = new title($title);
self::$chart->set_title($title);
self::$chart->set_y_axis(self::$y_axis);
self::$chart->set_x_axis(self::$x_axis);
self::$chart->set_bg_colour( '#FFFFFF' );
#echo '<pre>';
echo self::$chart->toPrettyString();
}
}
