<?php

/**

 * Customize API: WP_Customize_Themes_Section class

 *

 * @package WordPress

 * @subpackage Customize

 * @since 4.4.0

 */

/**

 * Customize Themes Section class.

 *

 * A UI container for theme controls, which are displayed within sections.

 *

 * @since 4.2.0

 *

 * @see WP_Customize_Section

 */

class WP_Customize_Themes_Section extends WP_Customize_Section {

	/**

	 * Section type.

	 *

	 * @since 4.2.0

	 * @var string

	 */

	public $type = 'themes';

	/**

	 * Theme section action.

	 *

	 * Defines the type of themes to load (installed, wporg, etc.).

	 *

	 * @since 4.9.0

	 * @var string

	 */

	public $action = '';

	/**

	 * Theme section filter type.

	 *

	 * Determines whether filters are applied to loaded (local) themes or by initiating a new remote query (remote).

	 * When filtering is local, the initial themes query is not paginated by default.

	 *

	 * @since 4.9.0

	 * @var string

	 */

	public $filter_type = 'local';

	/**

	 * Get section parameters for JS.

	 *

	 * @since 4.9.0

	 * @return array Exported parameters.

	 */

	public function json() {

		$exported                = parent::json();

		$exported['action']      = $this->action;

		$exported['filter_type'] = $this->filter_type;

		return $exported;

	}

	/**

	 * Render a themes section as a JS template.

	 *

	 * The template is only rendered by PHP once, so all actions are prepared at once on the server side.

	 *

	 * @since 4.9.0

	 */

	protected function render_template() {

		?>

		<li id="accordion-section-{{ data.id }}" class="theme-section">

			<button type="button" class="customize-themes-section-title themes-section-{{ data.id }}">{{ data.title }}</button>

			<?php if ( current_user_can( 'install_themes' ) || is_multisite() ) : // @todo: upload support ?>

			<?php endif; ?>

			<div class="customize-themes-section themes-section-{{ data.id }} control-section-content themes-php">

				<div class="theme-overlay" tabindex="0" role="dialog" aria-label="<?php esc_attr_e( 'Theme Details' ); ?>"></div>

				<div class="theme-browser rendered">

					<div class="customize-preview-header themes-filter-bar">

						<?php $this->filter_bar_content_template(); ?>

					</div>

					<?php $this->filter_drawer_content_template(); ?>

					<div class="error unexpected-error" style="display: none; "><p><?php _e( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ); ?></p></div>

					<ul class="themes">

					</ul>

					<p class="no-themes"><?php _e( 'No themes found. Try a different search.' ); ?></p>

					<p class="no-themes-local">

						<?php

						printf(

							/* translators: %s: "Search WordPress.org themes" button text */

							__( 'No themes found. Try a different search, or %s.' ),

							sprintf( '<button type="button" class="button-link search-dotorg-themes">%s</button>', __( 'Search WordPress.org themes' ) )

						);

						?>

					</p>

					<p class="spinner"></p>

				</div>

			</div>

		</li>

		<?php

	}

	/**

	 * Render the filter bar portion of a themes section as a JS template.

	 *

	 * The template is only rendered by PHP once, so all actions are prepared at once on the server side.

	 * The filter bar container is rendered by @see `render_template()`.

	 *

	 * @since 4.9.0

	 */

	protected function filter_bar_content_template() {

		?>

		<button type="button" class="button button-primary customize-section-back customize-themes-mobile-back"><?php _e( 'Back to theme sources' ); ?></button>

		<# if ( 'wporg' === data.action ) { #>

			<div class="search-form">

				<label for="wp-filter-search-input-{{ data.id }}" class="screen-reader-text"><?php _e( 'Search themes&hellip;' ); ?></label>

				<input type="search" id="wp-filter-search-input-{{ data.id }}" placeholder="<?php esc_attr_e( 'Search themes&hellip;' ); ?>" aria-describedby="{{ data.id }}-live-search-desc" class="wp-filter-search">

				<div class="search-icon" aria-hidden="true"></div>

				<span id="{{ data.id }}-live-search-desc" class="screen-reader-text"><?php _e( 'The search results will be updated as you type.' ); ?></span>

			</div>

			<button type="button" class="button feature-filter-toggle">

				<span class="filter-count-0"><?php _e( 'Filter themes' ); ?></span><span class="filter-count-filters">

				<?php

				/* translators: %s: number of filters selected. */

				printf( __( 'Filter themes (%s)' ), '<span class="theme-filter-count">0</span>' );

				?>

				</span>

			</button>

		<# } else { #>

			<div class="themes-filter-container">

				<label for="{{ data.id }}-themes-filter" class="screen-reader-text"><?php _e( 'Search themes&hellip;' ); ?></label>

				<input type="search" id="{{ data.id }}-themes-filter" placeholder="<?php esc_attr_e( 'Search themes&hellip;' ); ?>" aria-describedby="{{ data.id }}-live-search-desc" class="wp-filter-search wp-filter-search-themes" />

				<div class="search-icon" aria-hidden="true"></div>

				<span id="{{ data.id }}-live-search-desc" class="screen-reader-text"><?php _e( 'The search results will be updated as you type.' ); ?></span>

			</div>

		<# } #>

		<div class="filter-themes-count">

			<span class="themes-displayed">

				<?php

				/* translators: %s: number of themes displayed. */

				echo sprintf( __( '%s themes' ), '<span class="theme-count">0</span>' );

				?>

			</span>

		</div>

		<?php

	}

	/**

	 * Render the filter drawer portion of a themes section as a JS template.

	 *

	 * The filter bar container is rendered by @see `render_template()`.

	 *

	 * @since 4.9.0

	 */

	protected function filter_drawer_content_template() {

		$feature_list = get_theme_feature_list( false ); // @todo: Use the .org API instead of the local core feature list. The .org API is currently outdated and will be reconciled when the .org themes directory is next redesigned.

		?>

		<# if ( 'wporg' === data.action ) { #>

			<div class="filter-drawer filter-details">

				<?php foreach ( $feature_list as $feature_name => $features ) : ?>

					<fieldset class="filter-group">

						<legend><?php echo esc_html( $feature_name ); ?></legend>

						<div class="filter-group-feature">

							<?php foreach ( $features as $feature => $feature_name ) : ?>

								<input type="checkbox" id="filter-id-<?php echo esc_attr( $feature ); ?>" value="<?php echo esc_attr( $feature ); ?>" />

								<label for="filter-id-<?php echo esc_attr( $feature ); ?>"><?php echo esc_html( $feature_name ); ?></label>

							<?php endforeach; ?>

						</div>

					</fieldset>

				<?php endforeach; ?>

			</div>

		<# } #>

		<?php

	}

}