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<?php |
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namespace CMEN\GoogleChartsBundle\Output\Javascript; |
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use CMEN\GoogleChartsBundle\Exception\GoogleChartsException; |
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use CMEN\GoogleChartsBundle\GoogleCharts\Data; |
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use CMEN\GoogleChartsBundle\Output\DataOutputInterface; |
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use CMEN\GoogleChartsBundle\Output\DateOutputInterface; |
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/** |
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* @author Christophe Meneses |
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*/ |
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class DataOutput implements DataOutputInterface |
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{ |
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/** @var DateOutputInterface */ |
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private $dateOutput; |
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/** |
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* DataOutput constructor. |
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* |
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* @param DateOutputInterface $dateOutput |
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*/ |
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public function __construct(DateOutputInterface $dateOutput) |
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{ |
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$this->dateOutput = $dateOutput; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function draw(Data $data, $dataName) |
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{ |
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$arrayToDataTable = $data->getArrayToDataTable(); |
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if (!$arrayToDataTable) { |
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throw new GoogleChartsException( |
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'There is no data for chart. Use method setArrayToDataTable() to provide data.' |
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); |
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} |
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$js = "var $dataName = new google.visualization.arrayToDataTable(["; |
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end($arrayToDataTable); |
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$lastKeyRow = key($arrayToDataTable); |
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foreach ($data->getArrayToDataTable() as $keyRow => $row) { |
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$js .= '['; |
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end($row); |
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$lastKeyValue = key($row); |
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foreach ($row as $key => $value) { |
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if ($value instanceof \DateTimeInterface) { |
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$js .= $this->dateOutput->draw($value); |
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} else { |
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$js .= json_encode($value); |
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} |
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if ($key != $lastKeyValue) { |
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$js .= ', '; |
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} |
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} |
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$js .= ']'; |
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if ($keyRow != $lastKeyRow) { |
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$js .= ', '; |
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} |
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} |
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$data->isFirstRowIsData() ? $js .= '], true);' : $js .= '], false);'; |
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return $js; |
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} |
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} |
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cmen /
CMENGoogleChartsBundle
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.