652 lines
19 KiB
PHP
652 lines
19 KiB
PHP
<?php
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/**
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* WordPress Customize Control classes
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*
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* @package WordPress
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* @subpackage Customize
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* @since 3.4.0
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*/
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/**
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* Customize Control class.
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*
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* @since 3.4.0
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*/
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class WP_Customize_Control {
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/**
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* Incremented with each new class instantiation, then stored in $instance_number.
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*
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* Used when sorting two instances whose priorities are equal.
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*
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* @since 4.1.0
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*
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* @static
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* @access protected
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* @var int
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*/
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protected static $instance_count = 0;
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/**
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* Order in which this instance was created in relation to other instances.
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*
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* @since 4.1.0
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* @access public
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* @var int
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*/
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public $instance_number;
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/**
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* @access public
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* @var WP_Customize_Manager
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*/
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public $manager;
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/**
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* @access public
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* @var string
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*/
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public $id;
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/**
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* All settings tied to the control.
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*
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* @access public
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* @var array
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*/
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public $settings;
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/**
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* The primary setting for the control (if there is one).
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*
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* @access public
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* @var string
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*/
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public $setting = 'default';
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/**
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* Capability required to use this control.
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*
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* Normally this is empty and the capability is derived from the capabilities
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* of the associated `$settings`.
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*
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* @since 4.5.0
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* @access public
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* @var string
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*/
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public $capability;
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/**
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* @access public
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* @var int
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*/
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public $priority = 10;
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/**
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* @access public
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* @var string
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*/
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public $section = '';
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/**
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* @access public
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* @var string
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*/
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public $label = '';
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/**
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* @access public
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* @var string
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*/
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public $description = '';
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/**
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* @todo: Remove choices
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*
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* @access public
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* @var array
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*/
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public $choices = array();
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/**
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* @access public
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* @var array
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*/
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public $input_attrs = array();
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/**
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* @deprecated It is better to just call the json() method
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* @access public
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* @var array
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*/
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public $json = array();
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/**
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* @access public
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* @var string
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*/
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public $type = 'text';
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/**
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* Callback.
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*
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* @since 4.0.0
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* @access public
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*
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* @see WP_Customize_Control::active()
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*
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* @var callable Callback is called with one argument, the instance of
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* WP_Customize_Control, and returns bool to indicate whether
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* the control is active (such as it relates to the URL
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* currently being previewed).
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*/
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public $active_callback = '';
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/**
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* Constructor.
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*
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* Supplied `$args` override class property defaults.
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*
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* If `$args['settings']` is not defined, use the $id as the setting ID.
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*
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* @since 3.4.0
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*
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* @param WP_Customize_Manager $manager Customizer bootstrap instance.
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* @param string $id Control ID.
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* @param array $args {
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* Optional. Arguments to override class property defaults.
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*
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* @type int $instance_number Order in which this instance was created in relation
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* to other instances.
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* @type WP_Customize_Manager $manager Customizer bootstrap instance.
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* @type string $id Control ID.
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* @type array $settings All settings tied to the control. If undefined, `$id` will
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* be used.
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* @type string $setting The primary setting for the control (if there is one).
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* Default 'default'.
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* @type int $priority Order priority to load the control. Default 10.
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* @type string $section Section the control belongs to. Default empty.
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* @type string $label Label for the control. Default empty.
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* @type string $description Description for the control. Default empty.
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* @type array $choices List of choices for 'radio' or 'select' type controls, where
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* values are the keys, and labels are the values.
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* Default empty array.
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* @type array $input_attrs List of custom input attributes for control output, where
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* attribute names are the keys and values are the values. Not
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* used for 'checkbox', 'radio', 'select', 'textarea', or
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* 'dropdown-pages' control types. Default empty array.
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* @type array $json Deprecated. Use WP_Customize_Control::json() instead.
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* @type string $type Control type. Core controls include 'text', 'checkbox',
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* 'textarea', 'radio', 'select', and 'dropdown-pages'. Additional
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* input types such as 'email', 'url', 'number', 'hidden', and
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* 'date' are supported implicitly. Default 'text'.
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* }
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*/
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public function __construct( $manager, $id, $args = array() ) {
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$keys = array_keys( get_object_vars( $this ) );
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foreach ( $keys as $key ) {
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if ( isset( $args[ $key ] ) ) {
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$this->$key = $args[ $key ];
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}
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}
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$this->manager = $manager;
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$this->id = $id;
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if ( empty( $this->active_callback ) ) {
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$this->active_callback = array( $this, 'active_callback' );
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}
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self::$instance_count += 1;
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$this->instance_number = self::$instance_count;
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// Process settings.
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if ( ! isset( $this->settings ) ) {
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$this->settings = $id;
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}
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$settings = array();
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if ( is_array( $this->settings ) ) {
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foreach ( $this->settings as $key => $setting ) {
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$settings[ $key ] = $this->manager->get_setting( $setting );
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}
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} else if ( is_string( $this->settings ) ) {
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$this->setting = $this->manager->get_setting( $this->settings );
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$settings['default'] = $this->setting;
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}
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$this->settings = $settings;
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}
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/**
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* Enqueue control related scripts/styles.
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*
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* @since 3.4.0
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*/
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public function enqueue() {}
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/**
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* Check whether control is active to current Customizer preview.
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*
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* @since 4.0.0
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* @access public
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*
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* @return bool Whether the control is active to the current preview.
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*/
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final public function active() {
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$control = $this;
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$active = call_user_func( $this->active_callback, $this );
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/**
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* Filters response of WP_Customize_Control::active().
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*
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* @since 4.0.0
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*
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* @param bool $active Whether the Customizer control is active.
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* @param WP_Customize_Control $control WP_Customize_Control instance.
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*/
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$active = apply_filters( 'customize_control_active', $active, $control );
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return $active;
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}
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/**
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* Default callback used when invoking WP_Customize_Control::active().
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*
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* Subclasses can override this with their specific logic, or they may
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* provide an 'active_callback' argument to the constructor.
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*
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* @since 4.0.0
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* @access public
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*
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* @return true Always true.
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*/
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public function active_callback() {
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return true;
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}
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/**
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* Fetch a setting's value.
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* Grabs the main setting by default.
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*
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* @since 3.4.0
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*
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* @param string $setting_key
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* @return mixed The requested setting's value, if the setting exists.
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*/
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final public function value( $setting_key = 'default' ) {
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if ( isset( $this->settings[ $setting_key ] ) ) {
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return $this->settings[ $setting_key ]->value();
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}
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}
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/**
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* Refresh the parameters passed to the JavaScript via JSON.
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*
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* @since 3.4.0
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*/
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public function to_json() {
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$this->json['settings'] = array();
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foreach ( $this->settings as $key => $setting ) {
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$this->json['settings'][ $key ] = $setting->id;
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}
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$this->json['type'] = $this->type;
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$this->json['priority'] = $this->priority;
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$this->json['active'] = $this->active();
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$this->json['section'] = $this->section;
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$this->json['content'] = $this->get_content();
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$this->json['label'] = $this->label;
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$this->json['description'] = $this->description;
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$this->json['instanceNumber'] = $this->instance_number;
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}
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/**
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* Get the data to export to the client via JSON.
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*
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* @since 4.1.0
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*
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* @return array Array of parameters passed to the JavaScript.
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*/
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public function json() {
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$this->to_json();
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return $this->json;
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}
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/**
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* Checks if the user can use this control.
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*
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* Returns false if the user cannot manipulate one of the associated settings,
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* or if one of the associated settings does not exist. Also returns false if
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* the associated section does not exist or if its capability check returns
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* false.
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*
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* @since 3.4.0
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*
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* @return bool False if theme doesn't support the control or user doesn't have the required permissions, otherwise true.
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*/
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final public function check_capabilities() {
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if ( ! empty( $this->capability ) && ! current_user_can( $this->capability ) ) {
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return false;
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}
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foreach ( $this->settings as $setting ) {
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if ( ! $setting || ! $setting->check_capabilities() ) {
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return false;
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}
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}
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$section = $this->manager->get_section( $this->section );
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if ( isset( $section ) && ! $section->check_capabilities() ) {
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return false;
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}
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return true;
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}
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/**
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* Get the control's content for insertion into the Customizer pane.
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*
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* @since 4.1.0
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*
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* @return string Contents of the control.
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*/
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final public function get_content() {
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ob_start();
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$this->maybe_render();
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return trim( ob_get_clean() );
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}
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/**
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* Check capabilities and render the control.
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*
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* @since 3.4.0
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* @uses WP_Customize_Control::render()
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*/
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final public function maybe_render() {
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if ( ! $this->check_capabilities() )
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return;
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/**
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* Fires just before the current Customizer control is rendered.
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*
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* @since 3.4.0
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*
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* @param WP_Customize_Control $this WP_Customize_Control instance.
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*/
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do_action( 'customize_render_control', $this );
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/**
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* Fires just before a specific Customizer control is rendered.
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*
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* The dynamic portion of the hook name, `$this->id`, refers to
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* the control ID.
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*
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* @since 3.4.0
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*
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* @param WP_Customize_Control $this WP_Customize_Control instance.
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*/
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do_action( 'customize_render_control_' . $this->id, $this );
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$this->render();
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}
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/**
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* Renders the control wrapper and calls $this->render_content() for the internals.
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*
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* @since 3.4.0
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*/
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protected function render() {
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$id = 'customize-control-' . str_replace( array( '[', ']' ), array( '-', '' ), $this->id );
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$class = 'customize-control customize-control-' . $this->type;
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?><li id="<?php echo esc_attr( $id ); ?>" class="<?php echo esc_attr( $class ); ?>">
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<?php $this->render_content(); ?>
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</li><?php
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}
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/**
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* Get the data link attribute for a setting.
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*
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* @since 3.4.0
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*
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* @param string $setting_key
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* @return string Data link parameter, if $setting_key is a valid setting, empty string otherwise.
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*/
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public function get_link( $setting_key = 'default' ) {
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if ( ! isset( $this->settings[ $setting_key ] ) )
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return '';
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return 'data-customize-setting-link="' . esc_attr( $this->settings[ $setting_key ]->id ) . '"';
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}
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/**
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* Render the data link attribute for the control's input element.
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*
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* @since 3.4.0
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* @uses WP_Customize_Control::get_link()
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*
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* @param string $setting_key
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*/
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public function link( $setting_key = 'default' ) {
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echo $this->get_link( $setting_key );
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}
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/**
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* Render the custom attributes for the control's input element.
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*
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* @since 4.0.0
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* @access public
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*/
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public function input_attrs() {
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foreach ( $this->input_attrs as $attr => $value ) {
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echo $attr . '="' . esc_attr( $value ) . '" ';
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}
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}
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/**
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* Render the control's content.
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*
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* Allows the content to be overriden without having to rewrite the wrapper in `$this::render()`.
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*
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* Supports basic input types `text`, `checkbox`, `textarea`, `radio`, `select` and `dropdown-pages`.
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* Additional input types such as `email`, `url`, `number`, `hidden` and `date` are supported implicitly.
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*
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* Control content can alternately be rendered in JS. See WP_Customize_Control::print_template().
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*
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* @since 3.4.0
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*/
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protected function render_content() {
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switch( $this->type ) {
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case 'checkbox':
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?>
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<label>
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<input type="checkbox" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); checked( $this->value() ); ?> />
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<?php echo esc_html( $this->label ); ?>
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<?php if ( ! empty( $this->description ) ) : ?>
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<span class="description customize-control-description"><?php echo $this->description; ?></span>
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<?php endif; ?>
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</label>
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<?php
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break;
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case 'radio':
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if ( empty( $this->choices ) )
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return;
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$name = '_customize-radio-' . $this->id;
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if ( ! empty( $this->label ) ) : ?>
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<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
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<?php endif;
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if ( ! empty( $this->description ) ) : ?>
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<span class="description customize-control-description"><?php echo $this->description ; ?></span>
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<?php endif;
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foreach ( $this->choices as $value => $label ) :
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?>
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<label>
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<input type="radio" value="<?php echo esc_attr( $value ); ?>" name="<?php echo esc_attr( $name ); ?>" <?php $this->link(); checked( $this->value(), $value ); ?> />
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<?php echo esc_html( $label ); ?><br/>
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</label>
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<?php
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endforeach;
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break;
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case 'select':
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if ( empty( $this->choices ) )
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return;
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?>
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<label>
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<?php if ( ! empty( $this->label ) ) : ?>
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<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
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<?php endif;
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if ( ! empty( $this->description ) ) : ?>
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<span class="description customize-control-description"><?php echo $this->description; ?></span>
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<?php endif; ?>
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<select <?php $this->link(); ?>>
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<?php
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foreach ( $this->choices as $value => $label )
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echo '<option value="' . esc_attr( $value ) . '"' . selected( $this->value(), $value, false ) . '>' . $label . '</option>';
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?>
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</select>
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</label>
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<?php
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break;
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case 'textarea':
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?>
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<label>
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<?php if ( ! empty( $this->label ) ) : ?>
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<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
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<?php endif;
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if ( ! empty( $this->description ) ) : ?>
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<span class="description customize-control-description"><?php echo $this->description; ?></span>
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<?php endif; ?>
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<textarea rows="5" <?php $this->link(); ?>><?php echo esc_textarea( $this->value() ); ?></textarea>
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</label>
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<?php
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break;
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case 'dropdown-pages':
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?>
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<label>
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<?php if ( ! empty( $this->label ) ) : ?>
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<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
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<?php endif;
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if ( ! empty( $this->description ) ) : ?>
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<span class="description customize-control-description"><?php echo $this->description; ?></span>
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<?php endif; ?>
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<?php $dropdown = wp_dropdown_pages(
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array(
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'name' => '_customize-dropdown-pages-' . $this->id,
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'echo' => 0,
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'show_option_none' => __( '— Select —' ),
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'option_none_value' => '0',
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'selected' => $this->value(),
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)
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);
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// Hackily add in the data link parameter.
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$dropdown = str_replace( '<select', '<select ' . $this->get_link(), $dropdown );
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echo $dropdown;
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?>
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</label>
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<?php
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break;
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default:
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?>
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<label>
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<?php if ( ! empty( $this->label ) ) : ?>
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<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
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<?php endif;
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if ( ! empty( $this->description ) ) : ?>
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<span class="description customize-control-description"><?php echo $this->description; ?></span>
|
|
<?php endif; ?>
|
|
<input type="<?php echo esc_attr( $this->type ); ?>" <?php $this->input_attrs(); ?> value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); ?> />
|
|
</label>
|
|
<?php
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Render the control's JS template.
|
|
*
|
|
* This function is only run for control types that have been registered with
|
|
* WP_Customize_Manager::register_control_type().
|
|
*
|
|
* In the future, this will also print the template for the control's container
|
|
* element and be override-able.
|
|
*
|
|
* @since 4.1.0
|
|
*/
|
|
final public function print_template() {
|
|
?>
|
|
<script type="text/html" id="tmpl-customize-control-<?php echo $this->type; ?>-content">
|
|
<?php $this->content_template(); ?>
|
|
</script>
|
|
<?php
|
|
}
|
|
|
|
/**
|
|
* An Underscore (JS) template for this control's content (but not its container).
|
|
*
|
|
* Class variables for this control class are available in the `data` JS object;
|
|
* export custom variables by overriding WP_Customize_Control::to_json().
|
|
*
|
|
* @see WP_Customize_Control::print_template()
|
|
*
|
|
* @since 4.1.0
|
|
*/
|
|
protected function content_template() {}
|
|
|
|
}
|
|
|
|
/** WP_Customize_Color_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-color-control.php' );
|
|
|
|
/** WP_Customize_Media_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-media-control.php' );
|
|
|
|
/** WP_Customize_Upload_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-upload-control.php' );
|
|
|
|
/** WP_Customize_Image_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-image-control.php' );
|
|
|
|
/** WP_Customize_Background_Image_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-control.php' );
|
|
|
|
/** WP_Customize_Cropped_Image_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-cropped-image-control.php' );
|
|
|
|
/** WP_Customize_Site_Icon_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-site-icon-control.php' );
|
|
|
|
/** WP_Customize_Header_Image_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-control.php' );
|
|
|
|
/** WP_Customize_Theme_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-theme-control.php' );
|
|
|
|
/** WP_Widget_Area_Customize_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-widget-area-customize-control.php' );
|
|
|
|
/** WP_Widget_Form_Customize_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-widget-form-customize-control.php' );
|
|
|
|
/** WP_Customize_Nav_Menu_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-control.php' );
|
|
|
|
/** WP_Customize_Nav_Menu_Item_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-control.php' );
|
|
|
|
/** WP_Customize_Nav_Menu_Location_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-location-control.php' );
|
|
|
|
/** WP_Customize_Nav_Menu_Name_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-name-control.php' );
|
|
|
|
/** WP_Customize_Nav_Menu_Auto_Add_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-auto-add-control.php' );
|
|
|
|
/** WP_Customize_New_Menu_Control class */
|
|
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-new-menu-control.php' );
|