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<?php |
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|
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namespace Depicter\Document\Models\Traits; |
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|
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use Depicter\Html\Html; |
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|
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trait MediaSourceTrait { |
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|
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/** |
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* URL dictionary |
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* |
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* @var array |
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*/ |
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protected $urlsDictionary = []; |
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|
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/** |
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* |
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* @param array $sourceUrls |
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* @param string $mediaQueryCondition |
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* @param string $mediaQuerySize |
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* @param string $mediaType |
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* |
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* @return void |
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*/ |
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protected function addMediaUlrToDictionary( $sourceUrls, $mediaQueryCondition = 'max-width', $mediaQuerySize = '', $mediaType = '' ){ |
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if( empty( $sourceUrls ) ){ |
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return; |
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} |
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$this->urlsDictionary[] = [ |
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'sources' => (array) $sourceUrls, |
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'mediaQueryCondition' => $mediaQueryCondition, |
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'mediaQuerySize' => $mediaQuerySize, |
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'mediaType' => $mediaType |
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]; |
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} |
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|
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public function getMediaUrls(){ |
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return $this->urlsDictionary; |
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} |
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|
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public function getPreloadMarkup(){ |
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$output =''; |
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|
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$urlCount = count( $this->urlsDictionary ); |
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|
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foreach( $this->urlsDictionary as $key => $mediaInfo ){ |
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if( empty( $mediaInfo ) ){ |
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continue; |
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} |
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|
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$attributes = [ |
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'rel' => 'preload', |
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'as' => 'image', |
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'href' => $mediaInfo['sources'][0] ?? '' |
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]; |
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|
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if( ! empty( $mediaInfo['mediaType'] ) ){ |
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$attributes['type'] = $mediaInfo['mediaType']; |
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} |
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|
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if( !empty( $mediaInfo['sources'][1] ) ){ |
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$attributes['imagesrcset'] = $mediaInfo['sources'][1]; |
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} |
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|
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if( $urlCount > 1 ){ |
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if( $key > 0 ){ |
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$mediaQueryCondition = 'min-width'; |
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$mediaQuerySize = !empty( $mediaQuerySize ) ? $mediaQuerySize : $mediaInfo['mediaQuerySize']; |
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$attributes['media'] = '(' . $mediaQueryCondition . ':' . $mediaQuerySize . '.1px)'; |
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if( $urlCount > $key + 1 ){ |
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$attributes['media'] .= ' and (max-width:' . $mediaInfo['mediaQuerySize'] . 'px)'; |
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} |
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$mediaQuerySize = $mediaInfo['mediaQuerySize']; |
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} else { |
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$mediaQueryCondition = 'max-width'; |
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$mediaQuerySize = $mediaInfo['mediaQuerySize']; |
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$attributes['media'] = '(' . $mediaQueryCondition . ':' . $mediaQuerySize . 'px)'; |
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} |
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} |
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|
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$linkTag = Html::link( $attributes ); |
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$output .= $linkTag . "\n"; |
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} |
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|
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return $output; |
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} |
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|
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} |
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|
