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<?php |
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namespace Carbon_Fields\Field; |
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/** |
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* Base class for fields with predefined options. |
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* Mainly used to reduce the bloat on the base Field class |
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**/ |
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abstract class Predefined_Options_Field extends Field { |
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/** |
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* Stores the field options (if any) |
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* |
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* @var array |
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**/ |
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protected $options = array(); |
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/** |
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* Set the field options |
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* Callbacks are supported |
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* |
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* @param array|callback $options |
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*/ |
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protected function _set_options( $options ) { |
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$this->options = (array) $options; |
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} |
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/** |
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* Add options to the field |
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* Callbacks are supported |
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* |
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* @param array|callback $options |
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*/ |
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protected function _add_options( $options ) { |
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$this->options[] = $options; |
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} |
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/** |
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* Set the options of this field. |
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* Accepts either array of data or a callback that returns the data. |
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* |
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* @param array|callable $options |
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*/ |
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public function set_options( $options ) { |
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$this->_set_options( $options ); |
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return $this; |
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} |
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/** |
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* Add new options to this field. |
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* Accepts either array of data or a callback that returns the data. |
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* |
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* @param array|callbacle $options |
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*/ |
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public function add_options( $options ) { |
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$this->_add_options( $options ); |
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return $this; |
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} |
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/** |
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* Check if there are callbacks and populate the options |
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*/ |
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protected function load_options() { |
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if ( empty( $this->options ) ) { |
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return false; |
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} |
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$options = array(); |
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foreach ( $this->options as $key => $value ) { |
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if ( is_callable( $value ) ) { |
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$options = $options + (array) call_user_func( $value ); |
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} else if ( is_array( $value ) ) { |
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$options = $options + $value; |
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} else { |
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$options[ $key ] = $value; |
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} |
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} |
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$this->options = $options; |
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} |
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/** |
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* Changes the options array structure. This is needed to keep the array items order when it is JSON encoded. |
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* |
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* @param array $options |
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* @return array |
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*/ |
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public function parse_options( $options ) { |
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$parsed = array(); |
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foreach ( $options as $key => $value ) { |
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$parsed[] = array( |
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'name' => $value, |
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'value' => $key, |
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); |
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} |
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return $parsed; |
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} |
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} // END Field |
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htmlburger /
carbon-fields
