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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\Chart; |
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use CMEN\GoogleChartsBundle\GoogleCharts\Charts\Diff\DiffChart; |
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use CMEN\GoogleChartsBundle\Output\AbstractChartOutput; |
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use CMEN\GoogleChartsBundle\Output\DataOutputInterface; |
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use CMEN\GoogleChartsBundle\Output\EventsOutputInterface; |
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use CMEN\GoogleChartsBundle\Output\OptionsOutputInterface; |
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/** |
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* @author Christophe Meneses |
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*/ |
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class ChartOutput extends AbstractChartOutput |
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{ |
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public function __construct( |
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string $version, |
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string $language, |
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private readonly OptionsOutputInterface $optionsOutput, |
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private readonly DataOutputInterface $dataOutput, |
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private readonly EventsOutputInterface $eventsOutput, |
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) { |
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parent::__construct($version, $language); |
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} |
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public function startChart(Chart $chart): string |
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{ |
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if (null === $chart->getElementID()) { |
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throw new GoogleChartsException('Container is not defined.'); |
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} |
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$js = 'var '.$chart->getName().' = new google.'.$chart->getLibrary().'.'.$chart->getType(). |
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'(document.getElementById("'.$chart->getElementID().'"));'; |
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if (!$chart instanceof DiffChart) { |
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$js .= $this->dataOutput->draw($chart->getData(), $chart->getDataName()); |
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} else { |
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$js .= $this->dataOutput->draw($chart->getOldChart()->getData(), 'old_'.$chart->getDataName()). |
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$this->dataOutput->draw($chart->getNewChart()->getData(), 'new_'.$chart->getDataName()). |
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'var '.$chart->getDataName().' = '.$chart->getName(). |
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'.computeDiff(old_'.$chart->getDataName().', |
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new_'.$chart->getDataName().');'; |
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} |
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$js .= $this->optionsOutput->draw($chart->getOptions(), $chart->getOptionsName()); |
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return $js; |
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} |
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public function endChart(Chart $chart): string |
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{ |
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if ('visualization' == $chart->getLibrary()) { |
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$options = $chart->getOptionsName(); |
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} else { |
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/* Options conversion for material charts */ |
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$options = 'google.'.$chart->getLibrary().'.'.$chart->getType(). |
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'.convertOptions('.$chart->getOptionsName().')'; |
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} |
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return $this->eventsOutput->draw($chart->getEvents(), $chart->getName()).$chart->getName(). |
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'.draw('.$chart->getDataName().', '.$options.');'; |
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} |
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public function startCharts($charts, $elementsID = null): string |
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{ |
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if ($charts instanceof Chart) { |
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$charts = [$charts]; |
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if ($elementsID) { |
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if (!is_string($elementsID)) { |
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throw new GoogleChartsException('A string is expected for HTML element ID.'); |
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} |
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$elementsID = [$elementsID]; |
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} |
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} elseif (is_array($charts) && !empty($charts)) { |
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$this->checkChartsTypes($charts); |
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if (null !== $elementsID) { |
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if (!is_array($elementsID)) { |
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throw new GoogleChartsException('An array of string is expected for HTML elements IDs.'); |
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} |
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$this->checkElementsId($charts, $elementsID); |
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} |
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} else { |
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throw new GoogleChartsException('An instance of Chart or an array of Chart is expected.'); |
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} |
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$packages = []; |
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$drawChartName = ''; |
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$nbCharts = count($charts); |
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for ($i = 0; $i < $nbCharts; ++$i) { |
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if ($elementsID) { |
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$charts[$i]->setElementID($elementsID[$i]); |
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} |
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if (!in_array($charts[$i]->getPackage(), $packages)) { |
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$packages[] = $charts[$i]->getPackage(); |
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} |
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$drawChartName .= $charts[$i]->getElementID(); |
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} |
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$js = $this->loadLibraries($packages); |
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$js .= $this->startCallback('drawChart'.ucfirst(md5($drawChartName))); |
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foreach ($charts as $chart) { |
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$js .= $this->startChart($chart); |
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} |
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return $js; |
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} |
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public function endCharts($charts): string |
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{ |
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if ($charts instanceof Chart) { |
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$js = $this->endChart($charts).$this->endCallback(); |
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} elseif (is_array($charts) && !empty($charts)) { |
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$this->checkChartsTypes($charts); |
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$js = ''; |
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foreach ($charts as $chart) { |
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$js .= $this->endChart($chart); |
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} |
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$js .= $this->endCallback(); |
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} else { |
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throw new GoogleChartsException('An instance of Chart or an array of Chart is expected.'); |
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} |
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return $js; |
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} |
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public function fullCharts($charts, $elementsID = null): string |
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{ |
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return $this->startCharts($charts, $elementsID).$this->endCharts($charts); |
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} |
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public function loadLibraries(array $packages): string |
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{ |
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array_walk($packages, function (&$item): void { |
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$item = "'".$item."'"; |
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}); |
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($this->language) ? $language = ", language: '".$this->language."'" : $language = ''; |
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$load = "'".$this->version."', {packages:[".implode(',', $packages).']'.$language.'}'; |
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return "google.charts.load($load);"; |
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} |
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public function startCallback(string $name): string |
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{ |
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return "google.charts.setOnLoadCallback($name); function $name() {"; |
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} |
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public function endCallback(): string |
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{ |
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return '}'; |
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} |
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} |
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cmen /
CMENGoogleChartsBundle
