* @copyright 2007-2011 PrestaShop SA
* @version Release: $Revision: 6626 $
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
* International Registered Trademark & Property of PrestaShop SA
*/
class ChartCore
{
protected static $poolId = 0;
protected $width = 600;
protected $height = 300;
// Time mode
protected $timeMode = false;
protected $from;
protected $to;
protected $format;
protected $granularity;
protected $curves = array();
/** @prototype void public static function init(void) */
public static function init()
{
if (!self::$poolId)
{
++self::$poolId;
echo '
';
}
}
/** @prototype void public function __construct() */
public function __construct()
{
self::init();
++self::$poolId;
}
/** @prototype void public function setSize(int $width, int $height) */
public function setSize($width, $height)
{
$this->width = (int)$width;
$this->height = (int)$height;
}
/** @prototype void public function setTimeMode($from, $to, $granularity) */
public function setTimeMode($from, $to, $granularity)
{
$this->granularity = $granularity;
if (Validate::isDate($from))
$from = strtotime($from);
$this->from = $from;
if (Validate::isDate($to))
$to = strtotime($to);
$this->to = $to;
if ($granularity == 'd')
$this->format = '%d/%m/%y';
if ($granularity == 'w')
$this->format = '%d/%m/%y';
if ($granularity == 'm')
$this->format = '%m/%y';
if ($granularity == 'y')
$this->format = '%y';
$this->timeMode = true;
}
public function getCurve($i)
{
if (!array_key_exists($i, $this->curves))
$this->curves[$i] = new Curve();
return $this->curves[$i];
}
/** @prototype void public function display() */
public function display()
{
$options = '';
if ($this->timeMode)
{
$options = 'xaxis:{mode:"time",timeformat:\''.addslashes($this->format).'\',min:'.$this->from.'000,max:'.$this->to.'000}';
if ($this->granularity == 'd')
foreach ($this->curves as $curve)
for ($i = $this->from; $i <= $this->to; $i += 86400)
if (!$curve->getPoint($i))
$curve->setPoint($i, 0);
}
$jsCurves = array();
foreach ($this->curves as $curve)
$jsCurves[] = $curve->getValues($this->timeMode);
if (count($jsCurves))
echo '
';
else
echo ErrorFacade::Display(PS_ERROR_UNDEFINED, 'No values for this chart.');
}
}
class Curve
{
protected $values = array();
protected $label;
protected $type;
/** @prototype void public function setValues($values) */
public function setValues($values)
{
$this->values = $values;
}
public function getValues($timeMode = false)
{
ksort($this->values);
$string = '';
foreach ($this->values as $key => $value)
$string .= '['.addslashes((string)$key).($timeMode ? '000' : '').','.(float)$value.'],';
return '{data:['.rtrim($string, ',').']'.(!empty($this->label) ? ',label:"'.$this->label.'"' : '').''.(!empty($this->type) ? ','.$this->type : '').'}';
}
/** @prototype void public function setPoint(float $x, float $y) */
public function setPoint($x, $y)
{
$this->values[(string)$x] = (float)$y;
}
public function setLabel($label)
{
$this->label = $label;
}
public function setType($type)
{
$this->type = '';
if ($type == 'bars')
$this->type = 'bars:{show:true}';
if ($type == 'steps')
$this->type = 'lines:{show:true,steps:true}';
}
public function getPoint($x)
{
if (array_key_exists((string)$x, $this->values))
return $this->values[(string)$x];
}
}