<?php

require_once 'Default.class.php';

class Type_GenericStacked extends Type_Default {

	function rrd_gen_graph() {
		$rrdgraph = $this->rrd_options();

		$sources = $this->rrd_get_sources();

		$i=0;
		foreach ($this->tinstances as $tinstance) {
			foreach ($this->data_sources as $ds) {
				$rrdgraph[] = sprintf('DEF:min_%s="%s":%s:MIN', crc32hex($sources[$i]), $this->rrd_escape($this->files[$tinstance]), $ds);
				$rrdgraph[] = sprintf('DEF:avg_%s="%s":%s:AVERAGE', crc32hex($sources[$i]), $this->rrd_escape($this->files[$tinstance]), $ds);
				$rrdgraph[] = sprintf('DEF:max_%s="%s":%s:MAX', crc32hex($sources[$i]), $this->rrd_escape($this->files[$tinstance]), $ds);
				$i++;
			}
		}

		for ($i=count($sources)-1 ; $i>=0 ; $i--) {
			if ($i == (count($sources)-1))
				$rrdgraph[] = sprintf('CDEF:area_%s=avg_%1$s', crc32hex($sources[$i]));
			else
				$rrdgraph[] = sprintf('CDEF:area_%s=area_%s,avg_%1$s,+', crc32hex($sources[$i]), crc32hex($sources[$i+1]));
		}

		$c = 0;
		foreach ($sources as $source) {
			$color = is_array($this->colors) ? (isset($this->colors[$source])?$this->colors[$source]:$this->colors[$c++]) : $this->colors;
			$color = $this->get_faded_color($color);
			$rrdgraph[] = sprintf('AREA:area_%s#%s', crc32hex($source), $color);
		}

		$c = 0;
		foreach ($sources as $source) {
			$dsname = $this->ds_names[$source] != '' ? $this->ds_names[$source] : $source;
			$color = is_array($this->colors) ? (isset($this->colors[$source])?$this->colors[$source]:$this->colors[$c++]) : $this->colors;
			$rrdgraph[] = sprintf('LINE1:area_%s#%s:\'%s\'', crc32hex($source), $this->validate_color($color), $dsname);
			$rrdgraph[] = sprintf('GPRINT:min_%s:MIN:\'%s Min,\'', crc32hex($source), $this->rrd_format);
			$rrdgraph[] = sprintf('GPRINT:avg_%s:AVERAGE:\'%s Avg,\'', crc32hex($source), $this->rrd_format);
			$rrdgraph[] = sprintf('GPRINT:max_%s:MAX:\'%s Max,\'', crc32hex($source), $this->rrd_format);
			$rrdgraph[] = sprintf('GPRINT:avg_%s:LAST:\'%s Last\\l\'', crc32hex($source), $this->rrd_format);
		}

		return $rrdgraph;
	}
}

?>