<?php
/**
- * Customize Panel Class.
- *
- * A UI container for sections, managed by the WP_Customize_Manager.
+ * WordPress Customize Panel classes
*
* @package WordPress
* @subpackage Customize
* @since 4.0.0
*/
+
+/**
+ * Customize Panel class.
+ *
+ * A UI container for sections, managed by the WP_Customize_Manager.
+ *
+ * @since 4.0.0
+ *
+ * @see WP_Customize_Manager
+ */
class WP_Customize_Panel {
+ /**
+ * Incremented with each new class instantiation, then stored in $instance_number.
+ *
+ * Used when sorting two instances whose priorities are equal.
+ *
+ * @since 4.1.0
+ *
+ * @static
+ * @access protected
+ * @var int
+ */
+ protected static $instance_count = 0;
+
+ /**
+ * Order in which this instance was created in relation to other instances.
+ *
+ * @since 4.1.0
+ * @access public
+ * @var int
+ */
+ public $instance_number;
+
/**
* WP_Customize_Manager instance.
*
*/
public $sections;
+ /**
+ * Type of this panel.
+ *
+ * @since 4.1.0
+ * @access public
+ * @var string
+ */
+ public $type = 'default';
+
+ /**
+ * Active callback.
+ *
+ * @since 4.1.0
+ * @access public
+ *
+ * @see WP_Customize_Section::active()
+ *
+ * @var callable Callback is called with one argument, the instance of
+ * WP_Customize_Section, and returns bool to indicate whether
+ * the section is active (such as it relates to the URL currently
+ * being previewed).
+ */
+ public $active_callback = '';
+
/**
* Constructor.
*
$this->manager = $manager;
$this->id = $id;
+ if ( empty( $this->active_callback ) ) {
+ $this->active_callback = array( $this, 'active_callback' );
+ }
+ self::$instance_count += 1;
+ $this->instance_number = self::$instance_count;
$this->sections = array(); // Users cannot customize the $sections array.
+ }
+
+ /**
+ * Check whether panel is active to current Customizer preview.
+ *
+ * @since 4.1.0
+ * @access public
+ *
+ * @return bool Whether the panel is active to the current preview.
+ */
+ final public function active() {
+ $panel = $this;
+ $active = call_user_func( $this->active_callback, $this );
- return $this;
+ /**
+ * Filters response of WP_Customize_Panel::active().
+ *
+ * @since 4.1.0
+ *
+ * @param bool $active Whether the Customizer panel is active.
+ * @param WP_Customize_Panel $panel WP_Customize_Panel instance.
+ */
+ $active = apply_filters( 'customize_panel_active', $active, $panel );
+
+ return $active;
+ }
+
+ /**
+ * Default callback used when invoking WP_Customize_Panel::active().
+ *
+ * Subclasses can override this with their specific logic, or they may
+ * provide an 'active_callback' argument to the constructor.
+ *
+ * @since 4.1.0
+ * @access public
+ *
+ * @return bool Always true.
+ */
+ public function active_callback() {
+ return true;
+ }
+
+ /**
+ * Gather the parameters passed to client JavaScript via JSON.
+ *
+ * @since 4.1.0
+ *
+ * @return array The array to be exported to the client as JSON.
+ */
+ public function json() {
+ $array = wp_array_slice_assoc( (array) $this, array( 'id', 'description', 'priority', 'type' ) );
+ $array['title'] = html_entity_decode( $this->title, ENT_QUOTES, get_bloginfo( 'charset' ) );
+ $array['content'] = $this->get_content();
+ $array['active'] = $this->active();
+ $array['instanceNumber'] = $this->instance_number;
+ return $array;
}
/**
*
* @return bool False if theme doesn't support the panel or the user doesn't have the capability.
*/
- public final function check_capabilities() {
+ final public function check_capabilities() {
if ( $this->capability && ! call_user_func_array( 'current_user_can', (array) $this->capability ) ) {
return false;
}
return true;
}
+ /**
+ * Get the panel's content template for insertion into the Customizer pane.
+ *
+ * @since 4.1.0
+ *
+ * @return string Content for the panel.
+ */
+ final public function get_content() {
+ ob_start();
+ $this->maybe_render();
+ return trim( ob_get_clean() );
+ }
+
/**
* Check capabilities and render the panel.
*
* @since 4.0.0
*/
- public final function maybe_render() {
+ final public function maybe_render() {
if ( ! $this->check_capabilities() ) {
return;
}
/**
* Fires before rendering a specific Customizer panel.
*
- * The dynamic portion of the hook name, $this->id, refers to the ID
- * of the specific Customizer panel to be rendered.
+ * The dynamic portion of the hook name, `$this->id`, refers to
+ * the ID of the specific Customizer panel to be rendered.
*
* @since 4.0.0
*/
}
/**
- * Render the panel, and the sections that have been added to it.
+ * Render the panel container, and then its contents (via `this->render_content()`) in a subclass.
+ *
+ * Panel containers are now rendered in JS by default, see WP_Customize_Panel::print_template().
*
* @since 4.0.0
* @access protected
*/
- protected function render() {
+ protected function render() {}
+
+ /**
+ * Render the panel UI in a subclass.
+ *
+ * Panel contents are now rendered in JS by default, see WP_Customize_Panel::print_template().
+ *
+ * @since 4.1.0
+ * @access protected
+ */
+ protected function render_content() {}
+
+ /**
+ * Render the panel's JS templates.
+ *
+ * This function is only run for panel types that have been registered with
+ * WP_Customize_Manager::register_panel_type().
+ *
+ * @since 4.3.0
+ *
+ * @see WP_Customize_Manager::register_panel_type()
+ */
+ public function print_template() {
+ ?>
+ <script type="text/html" id="tmpl-customize-panel-<?php echo esc_attr( $this->type ); ?>-content">
+ <?php $this->content_template(); ?>
+ </script>
+ <script type="text/html" id="tmpl-customize-panel-<?php echo esc_attr( $this->type ); ?>">
+ <?php $this->render_template(); ?>
+ </script>
+ <?php
+ }
+
+ /**
+ * An Underscore (JS) template for rendering this panel's container.
+ *
+ * Class variables for this panel class are available in the `data` JS object;
+ * export custom variables by overriding WP_Customize_Panel::json().
+ *
+ * @see WP_Customize_Panel::print_template()
+ *
+ * @since 4.3.0
+ * @access protected
+ */
+ protected function render_template() {
?>
- <li id="accordion-panel-<?php echo esc_attr( $this->id ); ?>" class="control-section control-panel accordion-section">
+ <li id="accordion-panel-{{ data.id }}" class="accordion-section control-section control-panel control-panel-{{ data.type }}">
<h3 class="accordion-section-title" tabindex="0">
- <?php echo esc_html( $this->title ); ?>
+ {{ data.title }}
<span class="screen-reader-text"><?php _e( 'Press return or enter to open this panel' ); ?></span>
</h3>
- <ul class="accordion-sub-container control-panel-content">
- <li class="accordion-section control-section<?php if ( empty( $this->description ) ) echo ' cannot-expand'; ?>">
- <div class="accordion-section-title" tabindex="0">
- <span class="preview-notice"><?php
- /* translators: %s is the site/panel title in the Customizer */
- echo sprintf( __( 'You are customizing %s' ), '<strong class="panel-title">' . esc_html( $this->title ) . '</strong>' );
- ?></span>
- </div>
- <?php if ( ! empty( $this->description ) ) : ?>
- <div class="accordion-section-content description">
- <?php echo $this->description; ?>
- </div>
- <?php endif; ?>
- </li>
- <?php
- foreach ( $this->sections as $section ) {
- $section->maybe_render();
- }
- ?>
- </ul>
+ <ul class="accordion-sub-container control-panel-content"></ul>
</li>
<?php
}
-}
\ No newline at end of file
+
+ /**
+ * An Underscore (JS) template for this panel's content (but not its container).
+ *
+ * Class variables for this panel class are available in the `data` JS object;
+ * export custom variables by overriding WP_Customize_Panel::json().
+ *
+ * @see WP_Customize_Panel::print_template()
+ *
+ * @since 4.3.0
+ * @access protected
+ */
+ protected function content_template() {
+ ?>
+ <li class="panel-meta customize-info accordion-section <# if ( ! data.description ) { #> cannot-expand<# } #>">
+ <button class="customize-panel-back" tabindex="-1"><span class="screen-reader-text"><?php _e( 'Back' ); ?></span></button>
+ <div class="accordion-section-title">
+ <span class="preview-notice"><?php
+ /* translators: %s: the site/panel title in the Customizer */
+ echo sprintf( __( 'You are customizing %s' ), '<strong class="panel-title">{{ data.title }}</strong>' );
+ ?></span>
+ <# if ( data.description ) { #>
+ <button class="customize-help-toggle dashicons dashicons-editor-help" tabindex="0" aria-expanded="false"><span class="screen-reader-text"><?php _e( 'Help' ); ?></span></button>
+ <# } #>
+ </div>
+ <# if ( data.description ) { #>
+ <div class="description customize-panel-description">
+ {{{ data.description }}}
+ </div>
+ <# } #>
+ </li>
+ <?php
+ }
+}
+
+/** WP_Customize_Nav_Menus_Panel class */
+require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menus-panel.php' );