Open Flash Chart 2 - Stack Bar chart
Some example code on Open Flash Chart 2 stack bar chart
Example of stack bar chart
<?php
....
$data['clients'] = array('Aaaa', 'Bbbb', 'Cccc');
$data['resources'] = array('Kalle', 'Pelle', 'Nisse');
$data['data'][] = array(14,5,42);
$data['data'][] = array(15,32,42);
$data['data'][] = array(8,18,100);
$out = cc2_content_stack_chart("Resource allocation", $data);
return ofc_api_render($out);
....
/**
* Open Flash Chart Stack bar Chart
*
* @param unknown_type $title
* @param unknown_type $data
* @param unknown_type $y_range
* @return unknown
*/
function cc2_content_stack_chart($title, $data, $y_range=180) {
$font_size = 13;
$title = new title($title);
$title->set_style( "{font-size: 18px; text-align: left;}" );
$bar_stack = new open_flash_chart();
$bar_stack->set_title( new title('Stacked') );
$bar_stack = new bar_stack();
$cc = _get_color();
$c = count($cc);
$i=0;
foreach ($data['clients'] as $key => $client) {
if ($key > $c) {
$i= 0;
}
$color = _get_color($i);
$colors[] = $color;
$clients[] = new bar_stack_key( $color, $client, $font_size);
$i++;
}
$bar_stack->set_colours( $colors );
foreach ($data['data'] as $key => $value) {
$bar_stack->append_stack( $value ); //array( 2.5, 5, 2.5 )
}
$bar_stack->set_keys($clients);
//$bar_stack->set_tooltip( 'X label [#x_label#], Value [#val#]<br>Total [#total#]' );
foreach ($data['resources'] as $key => $resource) {
$resources[] = $resource;
}
$y = new y_axis();
$y->set_range( 0, $y_range, 20 );
$x = new x_axis();
$x->set_labels_from_array( $resources );
$tooltip = new tooltip();
$tooltip->set_hover();
$chart = new open_flash_chart();
$chart->set_title( $title );
$chart->add_element( $bar_stack );
$chart->set_x_axis( $x );
$chart->add_y_axis( $y );
$chart->set_tooltip( $tooltip );
$chart->bg_colour = '#FFFFFF';
return $chart;
}
?>Download library at: http://teethgrinder.co.uk/open-flash-chart-2/
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