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<?php
/**
* File containing the ezcGraphPieChartOption class
*
* @package Graph
* @version //autogentag//
* @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
* @license http://ez.no/licenses/new_bsd New BSD License
*/
/**
* Class containing the basic options for pie charts.
*
* For additional options configuring the apperance of the chart you may also
* want to check the option classes to configure the respective renderer you
* are using:
*
* - ezcGraphRendererOptions
* - ezcGraphRenderer2dOptions
* - ezcGraphRenderer3dOptions
*
* <code>
* $graph = new ezcGraphPieChart();
* $graph->palette = new ezcGraphPaletteEzRed();
* $graph->title = 'Access statistics';
* $graph->legend = false;
*
* $graph->options->label = '%1$s (%3$.1f)';
* $graph->options->percentThreshold = .05;
*
* $graph->data['Access statistics'] = new ezcGraphArrayDataSet( array(
* 'Mozilla' => 19113,
* 'Explorer' => 10917,
* 'Opera' => 1464,
* 'Safari' => 652,
* 'Konqueror' => 474,
* ) );
* $graph->data['Access statistics']->highlight['Explorer'] = true;
*
* $graph->render( 400, 150, 'tutorial_pie_chart_options.svg' );
* </code>
*
* @property string $label
* String used to label pies
* %1$s Name of pie
* %2$d Value of pie
* %3$.1f Percentage
* @property callback $labelCallback
* Callback function to format pie chart labels.
* Function will receive 3 parameters:
* string function( label, value, percent )
* @property float $sum
* Fixed sum of values. This should be used for incomplete pie
* charts.
* @property float $percentThreshold
* Values with a lower percentage value are aggregated.
* @property float $absoluteThreshold
* Values with a lower absolute value are aggregated.
* @property string $summarizeCaption
* Caption for values summarized because they are lower then the
* configured tresh hold.
*
* @version //autogentag//
* @package Graph
*/
class ezcGraphPieChartOptions extends ezcGraphChartOptions
{
/**
* Constructor
*
* @param array $options Default option array
* @return void
* @ignore
*/
public function __construct( array $options = array() )
{
$this->properties['label'] = '%1$s: %2$d (%3$.1f%%)';
$this->properties['labelCallback'] = null;
$this->properties['sum'] = false;
$this->properties['percentThreshold'] = .0;
$this->properties['absoluteThreshold'] = .0;
$this->properties['summarizeCaption'] = 'Misc';
parent::__construct( $options );
}
/**
* Set an option value
*
* @param string $propertyName
* @param mixed $propertyValue
* @throws ezcBasePropertyNotFoundException
* If a property is not defined in this class
* @return void
* @ignore
*/
public function __set( $propertyName, $propertyValue )
{
switch ( $propertyName )
{
case 'label':
$this->properties['label'] = (string) $propertyValue;
break;
case 'labelCallback':
if ( is_callable( $propertyValue ) )
{
$this->properties['labelCallback'] = $propertyValue;
}
else
{
throw new ezcBaseValueException( $propertyName, $propertyValue, 'callback function' );
}
break;
case 'sum':
if ( !is_numeric( $propertyValue ) ||
( $propertyValue <= 0 ) )
{
throw new ezcBaseValueException( $propertyName, $propertyValue, 'float > 0' );
}
$this->properties['sum'] = (float) $propertyValue;
break;
case 'percentThreshold':
if ( !is_numeric( $propertyValue ) ||
( $propertyValue < 0 ) ||
( $propertyValue > 1 ) )
{
throw new ezcBaseValueException( $propertyName, $propertyValue, '0 <= float <= 1' );
}
$this->properties['percentThreshold'] = (float) $propertyValue;
break;
case 'absoluteThreshold':
if ( !is_numeric( $propertyValue ) ||
( $propertyValue <= 0 ) )
{
throw new ezcBaseValueException( $propertyName, $propertyValue, 'float > 0' );
}
$this->properties['absoluteThreshold'] = (float) $propertyValue;
break;
case 'summarizeCaption':
$this->properties['summarizeCaption'] = (string) $propertyValue;
break;
default:
return parent::__set( $propertyName, $propertyValue );
}
}
}
?>
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