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<?php |
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/** |
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* Background fields are just lots of sub-fields combined. |
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* We have to actually separate the field to its sub-parts |
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* and register each one of them separately. |
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* |
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* @package Kirki |
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* @category Core |
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* @author Aristeides Stathopoulos |
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* @copyright Copyright (c) 2016, Aristeides Stathopoulos |
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* @license http://opensource.org/licenses/https://opensource.org/licenses/MIT |
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* @since 1.0 |
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*/ |
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/** |
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* Explodes background fields and creates sub-fields for it. |
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*/ |
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class Kirki_Explode_Background_Field { |
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/** |
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* Build the background fields. |
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* Takes a single field with type = background and explodes it to multiple controls. |
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* |
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* @param array $field The field arguments. |
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* @return null|array |
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*/ |
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public static function explode( $field ) { |
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$l10n = self::l10n( $field['kirki_config'] ); |
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$choices = self::background_choices(); |
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// Early exit if this is not a background field. |
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if ( 'background' !== $field['type'] ) { |
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return; |
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} |
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// No need to proceed any further if no defaults have been set. |
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// We build the array of fields based on what default values have been defined. |
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if ( ! isset( $field['default'] ) || ! is_array( $field['default'] ) ) { |
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return; |
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} |
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$fields = array(); |
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$i = 0; |
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foreach ( $field['default'] as $key => $value ) { |
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// No need to process the opacity, it is factored in the color control. |
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if ( 'opacity' === $key ) { |
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continue; |
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} |
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$key = esc_attr( $key ); |
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$setting = $key; |
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$tooltip = $field['tooltip']; |
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$description = isset( $l10n[ 'background-' . $key ] ) ? $l10n[ 'background-' . $key ] : ''; |
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$output_property = 'background-' . $key; |
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$label = ( 0 === $i ) ? $field['label'] : ''; |
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$type = 'select'; |
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$sanitize_callback = 'esc_attr'; |
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switch ( $key ) { |
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case 'color': |
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// Use 'color-alpha' instead of 'color' if default is an rgba value or if 'opacity' is set. |
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$type = ( false !== strpos( $field['default']['color'], 'rgba' ) ) ? 'color-alpha' : 'color'; |
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$type = ( isset( $field['default']['opacity'] ) ) ? 'color-alpha' : $type; |
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if ( isset( $field['default']['opacity'] ) && false === strpos( $value, 'rgb' ) ) { |
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$value = Kirki_Color::get_rgba( $value, $field['default']['opacity'] ); |
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} |
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$sanitize_callback = array( 'Kirki_Sanitize_Values', 'color' ); |
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break; |
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case 'image': |
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$type = 'image'; |
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$sanitize_callback = 'esc_url_raw'; |
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break; |
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case 'attach': |
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// Small hack so that background attachments properly work. |
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$output_property = 'background-attachment'; |
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$description = $l10n['background-attachment']; |
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break; |
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default: |
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$tooltip = ''; |
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break; |
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} |
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// If we're using options & option_name is set, then we need to modify the setting. |
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if ( ( isset( $field['option_type'] ) && 'option' === $field['option_type'] && isset( $field['option_name'] ) ) && ! empty( $field['option_name'] ) ) { |
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$property_setting = str_replace( ']', '', str_replace( $field['option_name'] . '[', '', $field['settings'] ) ); |
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$property_setting = esc_attr( $field['option_name'] ) . '[' . esc_attr( $property_setting ) . '_' . $setting . ']'; |
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} else { |
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$property_setting = esc_attr( $field['settings'] ) . '_' . $setting; |
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} |
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// Build the field's output element. |
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$output_element = $field['output']; |
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if ( ! empty( $field['output'] ) ) { |
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if ( is_array( $field['output'] ) ) { |
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if ( isset( $field['output']['element'] ) ) { |
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$output_element = $field['output']['element']; |
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} elseif ( isset( $field['output'][0] ) && isset( $field['output'][0]['element'] ) ) { |
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$output_element = $field['output'][0]['element']; |
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} |
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} |
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} |
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/** |
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* Build the field. |
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* We're merging with the original field here, so any extra properties are inherited. |
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*/ |
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$fields[ $property_setting ] = array_merge( $field, array( |
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'type' => $type, |
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'label' => $label, |
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'settings' => $property_setting, |
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'tooltip' => $tooltip, |
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'section' => $field['section'], |
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'priority' => $field['priority'], |
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'required' => $field['required'], |
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'description' => $description, |
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'default' => $value, |
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'id' => sanitize_key( str_replace( '[', '-', str_replace( ']', '', $property_setting ) ) ), |
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'choices' => isset( $choices[ $key ] ) ? $choices[ $key ] : array(), |
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'sanitize_callback' => $sanitize_callback, |
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'output' => ( ! empty( $field['output'] ) ) ? array( |
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array( |
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'element' => $output_element, |
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'property' => $output_property, |
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), |
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) : array(), |
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) ); |
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$i++; |
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} |
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return $fields; |
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} |
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/** |
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* Parse all fields and add the new background fields |
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* |
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* @param array $fields An array of all the generated fields. |
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* @return array |
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*/ |
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public static function process_fields( $fields ) { |
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foreach ( $fields as $field ) { |
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/** |
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* Make sure background fields are exploded |
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*/ |
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if ( isset( $field['type'] ) && 'background' === $field['type'] ) { |
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$explode = self::explode( $field ); |
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$fields = array_merge( $fields, $explode ); |
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} |
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} |
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return $fields; |
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} |
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/** |
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* The background choices. |
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* |
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* @return array<string,array> |
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*/ |
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public static function background_choices() { |
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$l10n = self::l10n( $field['kirki_config'] ); |
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return array( |
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'repeat' => array( |
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'no-repeat' => $l10n['no-repeat'], |
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'repeat' => $l10n['repeat-all'], |
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'repeat-x' => $l10n['repeat-x'], |
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'repeat-y' => $l10n['repeat-y'], |
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'inherit' => $l10n['inherit'], |
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), |
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'size' => array( |
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'inherit' => $l10n['inherit'], |
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'cover' => $l10n['cover'], |
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'contain' => $l10n['contain'], |
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), |
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'attach' => array( |
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'inherit' => $l10n['inherit'], |
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'fixed' => $l10n['fixed'], |
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'scroll' => $l10n['scroll'], |
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), |
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'position' => array( |
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'left-top' => $l10n['left-top'], |
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'left-center' => $l10n['left-center'], |
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'left-bottom' => $l10n['left-bottom'], |
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'right-top' => $l10n['right-top'], |
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'right-center' => $l10n['right-center'], |
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'right-bottom' => $l10n['right-bottom'], |
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'center-top' => $l10n['center-top'], |
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'center-center' => $l10n['center-center'], |
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'center-bottom' => $l10n['center-bottom'], |
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), |
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); |
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} |
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/** |
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* Returns an array of translation strings. |
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* |
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* @static |
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* @access protected |
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* @since 2.4.0 |
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* @param string|false $id The string-ID. |
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* @return array |
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*/ |
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protected static function l10n( $config_id ) { |
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$translation_strings = array( |
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'background-color' => esc_attr__( 'Background Color', 'kirki' ), |
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'background-image' => esc_attr__( 'Background Image', 'kirki' ), |
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'no-repeat' => esc_attr__( 'No Repeat', 'kirki' ), |
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'repeat-all' => esc_attr__( 'Repeat All', 'kirki' ), |
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'repeat-x' => esc_attr__( 'Repeat Horizontally', 'kirki' ), |
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'repeat-y' => esc_attr__( 'Repeat Vertically', 'kirki' ), |
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'inherit' => esc_attr__( 'Inherit', 'kirki' ), |
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'background-repeat' => esc_attr__( 'Background Repeat', 'kirki' ), |
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'cover' => esc_attr__( 'Cover', 'kirki' ), |
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'contain' => esc_attr__( 'Contain', 'kirki' ), |
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'background-size' => esc_attr__( 'Background Size', 'kirki' ), |
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'fixed' => esc_attr__( 'Fixed', 'kirki' ), |
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'scroll' => esc_attr__( 'Scroll', 'kirki' ), |
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'background-attachment' => esc_attr__( 'Background Attachment', 'kirki' ), |
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'left-top' => esc_attr__( 'Left Top', 'kirki' ), |
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'left-center' => esc_attr__( 'Left Center', 'kirki' ), |
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'left-bottom' => esc_attr__( 'Left Bottom', 'kirki' ), |
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'right-top' => esc_attr__( 'Right Top', 'kirki' ), |
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'right-center' => esc_attr__( 'Right Center', 'kirki' ), |
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'right-bottom' => esc_attr__( 'Right Bottom', 'kirki' ), |
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'center-top' => esc_attr__( 'Center Top', 'kirki' ), |
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'center-center' => esc_attr__( 'Center Center', 'kirki' ), |
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'center-bottom' => esc_attr__( 'Center Bottom', 'kirki' ), |
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'background-position' => esc_attr__( 'Background Position', 'kirki' ), |
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'background-opacity' => esc_attr__( 'Background Opacity', 'kirki' ), |
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); |
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return apply_filters( 'kirki/' . $config_id . '/l10n', $translation_strings ); |
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} |
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} |
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This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.