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<?php |
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namespace Carbon_Fields\Field; |
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use Carbon_Fields\Exception\Incorrect_Syntax_Exception; |
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/** |
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* Image field class. |
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* |
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* Allows selecting and saving a media attachment file, |
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* where the image ID is saved in the database. |
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*/ |
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class Image_Field extends File_Field { |
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public $field_type = 'image'; |
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/** |
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* The size of the image preview |
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* |
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* @see set_preview_size() |
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* @var string|array |
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*/ |
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protected $preview_size = [ |
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'width' => 130, |
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'height' => 130, |
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]; |
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/** |
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* Get the image preview size. |
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* |
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* @return string|array |
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*/ |
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public function get_preview_size() { |
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return $this->preview_size; |
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} |
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/** |
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* Set the image preview size. |
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* |
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* @param string|array $size |
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* @return self $this |
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*/ |
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public function set_preview_size( $size ) { |
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if ( is_array( $size ) ) { |
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$this->preview_size = [ |
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'width' => $size[0], |
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'height' => $size[1], |
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]; |
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} else { |
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$registered_image_sizes = get_intermediate_image_sizes(); |
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if ( ! in_array( $size, $registered_image_sizes ) ) { |
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Incorrect_Syntax_Exception::raise( 'Image preview size is not found. Must be one of the following - ' . implode( ', ' , $registered_image_sizes ) . ' ("' . $size . '" passed).' ); |
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} |
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$this->preview_size = [ |
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'width' => intval( get_option( "{$size}_size_w" ) ), |
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'height' => intval( get_option( "{$size}_size_h" ) ), |
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]; |
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} |
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return $this; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function to_json( $load ) { |
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$field_data = parent::to_json( $load ); |
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$field_data = array_merge( $field_data, array( |
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'preview_size' => $this->get_preview_size(), |
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) ); |
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return $field_data; |
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} |
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} |
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htmlburger /
carbon-fields
