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<?php |
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/** |
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* Override field methods |
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* |
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* @package Kirki |
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* @subpackage Controls |
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* @copyright Copyright (c) 2017, Aristeides Stathopoulos |
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* @license http://opensource.org/licenses/https://opensource.org/licenses/MIT |
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* @since 2.2.7 |
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*/ |
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/** |
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* Field overrides. |
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*/ |
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class Kirki_Field_Typography extends Kirki_Field { |
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/** |
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* Sets the control type. |
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* |
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* @access protected |
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*/ |
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protected function set_type() { |
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$this->type = 'kirki-typography'; |
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} |
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/** |
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* The class constructor. |
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* Parses and sanitizes all field arguments. |
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* Then it adds the field to Kirki::$fields. |
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* |
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* @access public |
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* @param string $config_id The ID of the config we want to use. |
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* Defaults to "global". |
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* Configs are handled by the Kirki_Config class. |
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* @param array $args The arguments of the field. |
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*/ |
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public function __construct( $config_id = 'global', $args = array() ) { |
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parent::__construct( $config_id, $args ); |
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$this->set_default(); |
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} |
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/** |
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* Sets the default value. |
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* |
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* @access protected |
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*/ |
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protected function set_default() { |
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// Accomodate the use of font-weight and convert to variant. |
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if ( isset( $this->default['font-weight'] ) ) { |
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$this->default['variant'] = ( 'regular' === $this->default['font-weight'] ) ? 400 : (string) intval( $this->default['font-weight'] ); |
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} |
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// Make sure letter-spacing has units. |
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if ( isset( $this->default['letter-spacing'] ) && is_numeric( $this->default['letter-spacing'] ) && $this->default['letter-spacing'] ) { |
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$this->default['letter-spacing'] .= 'px'; |
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} |
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// Make sure we use "subsets" instead of "subset". |
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if ( isset( $this->default['subset'] ) && ! empty( $this->default['subset'] ) && ( ! isset( $this->default['subsets'] ) || empty( $this->default['subsets'] ) ) ) { |
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$this->default['subsets'] = $this->default['subset']; |
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} |
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} |
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/** |
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* Sets the $sanitize_callback |
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* |
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* @access protected |
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*/ |
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protected function set_sanitize_callback() { |
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// If a custom sanitize_callback has been defined, |
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// then we don't need to proceed any further. |
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if ( ! empty( $this->sanitize_callback ) ) { |
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return; |
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} |
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$this->sanitize_callback = array( __CLASS__, 'sanitize' ); |
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} |
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/** |
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* Sets the $js_vars |
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* |
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* @access protected |
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*/ |
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protected function set_js_vars() { |
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if ( ! is_array( $this->js_vars ) ) { |
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$this->js_vars = array(); |
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} |
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// Check if transport is set to auto. |
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// If not, then skip the auto-calculations and exit early. |
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if ( 'auto' !== $this->transport ) { |
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return; |
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} |
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// Set transport to refresh initially. |
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// Serves as a fallback in case we failt to auto-calculate js_vars. |
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$this->transport = 'refresh'; |
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$js_vars = array(); |
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// Try to auto-generate js_vars. |
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// First we need to check if js_vars are empty, and that output is not empty. |
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if ( ! empty( $this->output ) ) { |
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// Start going through each item in the $output array. |
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foreach ( $this->output as $output ) { |
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// If 'element' or 'property' are not defined, skip this. |
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if ( ! isset( $output['element'] ) ) { |
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continue; |
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} |
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if ( is_array( $output['element'] ) ) { |
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$output['element'] = implode( ',', $output['element'] ); |
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} |
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// If we got this far, it's safe to add this. |
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$js_vars[] = $output; |
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} |
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// Did we manage to get all the items from 'output'? |
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// If not, then we're missing something so don't add this. |
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if ( count( $js_vars ) !== count( $this->output ) ) { |
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return; |
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} |
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$this->js_vars = $js_vars; |
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$this->transport = 'postMessage'; |
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} |
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} |
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/** |
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* Sanitizes typography controls |
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* |
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* @static |
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* @since 2.2.0 |
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* @param array $value The value. |
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* @return array |
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*/ |
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public static function sanitize( $value ) { |
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if ( ! is_array( $value ) ) { |
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return array(); |
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} |
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foreach ( $value as $key => $val ) { |
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switch ( $key ) { |
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case 'font-family': |
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$value['font-family'] = esc_attr( $val ); |
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break; |
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case 'font-weight': |
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if ( isset( $value['variant'] ) ) { |
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break; |
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} |
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$value['variant'] = $val; |
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if ( isset( $value['font-style'] ) && 'italic' === $value['font-style'] ) { |
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$value['variant'] = ( '400' !== $val || 400 !== $val ) ? $value['variant'] . 'italic' : 'italic'; |
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} |
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break; |
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case 'variant': |
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// Use 'regular' instead of 400 for font-variant. |
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$value['variant'] = ( 400 === $val || '400' === $val ) ? 'regular' : $val; |
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// Get font-weight from variant. |
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$value['font-weight'] = filter_var( $value['variant'], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION ); |
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$value['font-weight'] = ( 'regular' === $value['variant'] || 'italic' === $value['variant'] ) ? 400 : absint( $value['font-weight'] ); |
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// Get font-style from variant. |
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if ( ! isset( $value['font-style'] ) ) { |
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$value['font-style'] = ( false === strpos( $value['variant'], 'italic' ) ) ? 'normal' : 'italic'; |
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} |
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break; |
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case 'subset': |
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// Make sure the saved value is "subsets" (plural) and not "subset". |
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// This is for compatibility with older versions. |
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if ( ! empty( $value['subset'] ) && ! isset( $value['subsets'] ) || empty( $value['subset'] ) ) { |
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$value['subsets'] = $value['subset']; |
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} |
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unset( $value['subset'] ); |
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// Make sure we're using a valid subset. |
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$valid_subsets = Kirki_Fonts::get_google_font_subsets(); |
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$subsets_ok = array(); |
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$value['subsets'] = (array) $value['subsets']; |
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foreach ( $value['subsets'] as $subset ) { |
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if ( array_key_exists( $subset, $valid_subsets ) ) { |
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$subsets_ok[] = $subset; |
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} |
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} |
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$value['subsets'] = $subsets_ok; |
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break; |
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case 'font-size': |
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case 'letter-spacing': |
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case 'word-spacing': |
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case 'line-height': |
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$value[ $key ] = Kirki_Sanitize_Values::css_dimension( $val ); |
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break; |
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case 'text-align': |
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if ( ! in_array( $val, array( 'inherit', 'left', 'center', 'right', 'justify' ), true ) ) { |
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$value['text-align'] = 'inherit'; |
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} |
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break; |
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case 'text-transform': |
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if ( ! in_array( $val, array( 'none', 'capitalize', 'uppercase', 'lowercase', 'initial', 'inherit' ), true ) ) { |
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$value['text-transform'] = 'none'; |
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} |
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break; |
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case 'text-decoration': |
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if ( ! in_array( $val, array( 'none', 'underline', 'overline', 'line-through', 'initial', 'inherit' ), true ) ) { |
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$value['text-transform'] = 'none'; |
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} |
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break; |
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case 'color': |
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$value['color'] = ariColor::newColor( $val )->toCSS( 'hex' ); |
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break; |
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} // End switch(). |
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} // End foreach(). |
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return $value; |
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} |
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/** |
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* Sets the $choices |
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* |
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* @access protected |
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* @since 3.0.0 |
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*/ |
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protected function set_choices() { |
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if ( ! is_array( $this->choices ) ) { |
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$this->choices = array(); |
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} |
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$this->choices = wp_parse_args( |
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$this->choices, array( |
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'variant' => array(), |
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'fonts' => array( |
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'standard' => array(), |
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'google' => array(), |
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), |
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) |
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); |
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} |
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} |
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aristath /
kirki
