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<?php |
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namespace Carbon_Fields\Field; |
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use Carbon_Fields\Value_Set\Value_Set; |
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/** |
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* Set field class. |
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* Allows to create a set of checkboxes where multiple can be selected. |
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*/ |
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class Set_Field extends Predefined_Options_Field { |
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/** |
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* The options limit. |
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* |
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* @var int |
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*/ |
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protected $limit_options = 0; |
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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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* Create a field from a certain type with the specified label. |
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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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protected function __construct( $name, $label ) { |
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$this->value = new Value_Set( Value_Set::TYPE_MULTIPLE_VALUES ); |
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parent::__construct( $name, $label ); |
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} |
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/** |
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* Set the number of the options to be displayed at the initial field display. |
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* |
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* @param int $limit |
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*/ |
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public function limit_options( $limit ) { |
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$this->limit_options = $limit; |
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return $this; |
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} |
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/** |
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* Load the field value from an input array based on it's name |
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* |
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* @param array $input (optional) Array of field names and values. Defaults to $_POST |
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**/ |
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public function set_value_from_input( $input = null ) { |
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if ( is_null( $input ) ) { |
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$input = $_POST; |
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} |
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if ( ! isset( $input[ $this->name ] ) ) { |
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$this->set_value( null ); |
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} else { |
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$value = stripslashes_deep( $input[ $this->name ] ); |
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if ( is_array( $value ) ) { |
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$value = array_values( $value ); |
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} |
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$this->set_value( $value ); |
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} |
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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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* This data will be available in the Underscore template and the Backbone Model. |
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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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View Code Duplication |
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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'limit_options' => $this->limit_options, |
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'options' => $this->parse_options( $this->get_options() ), |
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) ); |
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return $field_data; |
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} |
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/** |
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* The Underscore template of this field. |
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*/ |
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public function template() { |
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?> |
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<# if (_.isEmpty(options)) { #> |
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<em><?php _e( 'no options', \Carbon_Fields\TEXT_DOMAIN ); ?></em> |
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<# } else { #> |
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<div class="carbon-set-list"> |
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<# _.each(options, function(option, i) { #> |
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<# |
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var selected = jQuery.inArray(String(option.value), value) > -1; |
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var counter = i + 1; |
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var exceed = limit_options > 0 && counter > limit_options; |
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var last = options.length === counter; |
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#> |
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<p {{{ exceed ? 'style="display:none"' : '' }}}> |
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<label> |
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<input type="checkbox" name="{{{ name }}}[{{{ i }}}]" value="{{ option.value }}" {{{ selected ? 'checked="checked"' : '' }}} /> |
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{{{ option.name }}} |
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</label> |
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</p> |
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<# if (!exceed && !last && counter == limit_options) { #> |
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<p>... <a href="#" class="carbon-set-showall"><?php _e( 'Show All Options', \Carbon_Fields\TEXT_DOMAIN ); ?></a></p> |
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<# } #> |
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<# }) #> |
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</div> |
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<# } #> |
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<?php |
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} |
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} |
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htmlburger /
carbon-fields
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