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<?php |
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namespace Carbon_Fields\Field; |
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use Carbon_Fields\Helper\Delimiter; |
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use Carbon_Fields\Helper\Helper; |
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use Carbon_Fields\Value_Set\Value_Set; |
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/** |
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* Multiselect field class. |
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* Allows to create a select where multiple values can be selected. |
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*/ |
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class Multiselect_Field extends Predefined_Options_Field { |
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/** |
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* Default field value |
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* |
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* @var array |
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*/ |
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protected $default_value = array(); |
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/** |
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* Value delimiter |
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* |
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* @var string |
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*/ |
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protected $value_delimiter = '|'; |
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/** |
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* Create a field from a certain type with the specified label. |
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* |
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* @param string $type Field type |
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* @param string $name Field name |
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* @param string $label Field label |
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*/ |
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public function __construct( $type, $name, $label ) { |
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$this->set_value_set( new Value_Set( Value_Set::TYPE_MULTIPLE_VALUES ) ); |
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parent::__construct( $type, $name, $label ); |
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} |
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/** |
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* Load the field value from an input array based on its name |
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* |
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* @param array $input Array of field names and values. |
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* @return self $this |
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*/ |
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public function set_value_from_input( $input ) { |
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if ( ! isset( $input[ $this->name ] ) ) { |
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return $this->set_value( array() ); |
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} |
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$value_delimiter = $this->value_delimiter; |
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$options = $this->parse_options( $this->get_options() ); |
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$options = wp_list_pluck( $options, 'value' ); |
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$value = stripslashes_deep( $input[ $this->name ] ); |
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$value = Delimiter::split( $value, $this->value_delimiter ); |
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$value = array_map( function( $val ) use ( $value_delimiter ) { |
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return Delimiter::unquote( $val, $value_delimiter ); |
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}, $value ); |
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$value = Helper::get_valid_options( $value, $options ); |
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return $this->set_value( $value ); |
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} |
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/** |
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* Returns an array that holds the field data, suitable for JSON representation. |
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* |
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* @param bool $load Should the value be loaded from the database or use the value from the current instance. |
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* @return array |
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*/ |
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public function to_json( $load ) { |
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$field_data = parent::to_json( $load ); |
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$value_delimiter = $this->value_delimiter; |
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$options = $this->parse_options( $this->get_options() ); |
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$options = array_map( function( $option ) use ( $value_delimiter ) { |
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$option['value'] = Delimiter::quote( $option['value'], $value_delimiter ); |
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return $option; |
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}, $options ); |
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$value = array_map( function( $value ) use ( $value_delimiter ) { |
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return Delimiter::quote( $value, $value_delimiter ); |
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}, $this->get_formatted_value() ); |
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$field_data = array_merge( $field_data, array( |
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'options' => $options, |
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'value' => $value, |
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'valueDelimiter' => $this->value_delimiter, |
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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
