balmet.com

class-wp-themes-list-table.php (10189B)

---

 <?php
 /**
  * List Table API: WP_Themes_List_Table class
  *
  * @package WordPress
  * @subpackage Administration
  * @since 3.1.0
  */
 
 /**
  * Core class used to implement displaying installed themes in a list table.
  *
  * @since 3.1.0
  * @access private
  *
  * @see WP_List_Table
  */
 class WP_Themes_List_Table extends WP_List_Table {
 
 	protected $search_terms = array();
 	public $features        = array();
 
 	/**
 	 * Constructor.
 	 *
 	 * @since 3.1.0
 	 *
 	 * @see WP_List_Table::__construct() for more information on default arguments.
 	 *
 	 * @param array $args An associative array of arguments.
 	 */
 	public function __construct( $args = array() ) {
 		parent::__construct(
 			array(
 				'ajax'   => true,
 				'screen' => isset( $args['screen'] ) ? $args['screen'] : null,
 			)
 		);
 	}
 
 	/**
 	 * @return bool
 	 */
 	public function ajax_user_can() {
 		// Do not check edit_theme_options here. Ajax calls for available themes require switch_themes.
 		return current_user_can( 'switch_themes' );
 	}
 
 	/**
 	 */
 	public function prepare_items() {
 		$themes = wp_get_themes( array( 'allowed' => true ) );
 
 		if ( ! empty( $_REQUEST['s'] ) ) {
 			$this->search_terms = array_unique( array_filter( array_map( 'trim', explode( ',', strtolower( wp_unslash( $_REQUEST['s'] ) ) ) ) ) );
 		}
 
 		if ( ! empty( $_REQUEST['features'] ) ) {
 			$this->features = $_REQUEST['features'];
 		}
 
 		if ( $this->search_terms || $this->features ) {
 			foreach ( $themes as $key => $theme ) {
 				if ( ! $this->search_theme( $theme ) ) {
 					unset( $themes[ $key ] );
 				}
 			}
 		}
 
 		unset( $themes[ get_option( 'stylesheet' ) ] );
 		WP_Theme::sort_by_name( $themes );
 
 		$per_page = 36;
 		$page     = $this->get_pagenum();
 
 		$start = ( $page - 1 ) * $per_page;
 
 		$this->items = array_slice( $themes, $start, $per_page, true );
 
 		$this->set_pagination_args(
 			array(
 				'total_items'     => count( $themes ),
 				'per_page'        => $per_page,
 				'infinite_scroll' => true,
 			)
 		);
 	}
 
 	/**
 	 */
 	public function no_items() {
 		if ( $this->search_terms || $this->features ) {
 			_e( 'No items found.' );
 			return;
 		}
 
 		$blog_id = get_current_blog_id();
 		if ( is_multisite() ) {
 			if ( current_user_can( 'install_themes' ) && current_user_can( 'manage_network_themes' ) ) {
 				printf(
 					/* translators: 1: URL to Themes tab on Edit Site screen, 2: URL to Add Themes screen. */
 					__( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%1$s">enable</a> or <a href="%2$s">install</a> more themes.' ),
 					network_admin_url( 'site-themes.php?id=' . $blog_id ),
 					network_admin_url( 'theme-install.php' )
 				);
 
 				return;
 			} elseif ( current_user_can( 'manage_network_themes' ) ) {
 				printf(
 					/* translators: %s: URL to Themes tab on Edit Site screen. */
 					__( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%s">enable</a> more themes.' ),
 					network_admin_url( 'site-themes.php?id=' . $blog_id )
 				);
 
 				return;
 			}
 			// Else, fallthrough. install_themes doesn't help if you can't enable it.
 		} else {
 			if ( current_user_can( 'install_themes' ) ) {
 				printf(
 					/* translators: %s: URL to Add Themes screen. */
 					__( 'You only have one theme installed right now. Live a little! You can choose from over 1,000 free themes in the WordPress Theme Directory at any time: just click on the <a href="%s">Install Themes</a> tab above.' ),
 					admin_url( 'theme-install.php' )
 				);
 
 				return;
 			}
 		}
 		// Fallthrough.
 		printf(
 			/* translators: %s: Network title. */
 			__( 'Only the current theme is available to you. Contact the %s administrator for information about accessing additional themes.' ),
 			get_site_option( 'site_name' )
 		);
 	}
 
 	/**
 	 * @param string $which
 	 */
 	public function tablenav( $which = 'top' ) {
 		if ( $this->get_pagination_arg( 'total_pages' ) <= 1 ) {
 			return;
 		}
 		?>
 		<div class="tablenav themes <?php echo $which; ?>">
 			<?php $this->pagination( $which ); ?>
 			<span class="spinner"></span>
 			<br class="clear" />
 		</div>
 		<?php
 	}
 
 	/**
 	 * Displays the themes table.
 	 *
 	 * Overrides the parent display() method to provide a different container.
 	 *
 	 * @since 3.1.0
 	 */
 	public function display() {
 		wp_nonce_field( 'fetch-list-' . get_class( $this ), '_ajax_fetch_list_nonce' );
 		?>
 		<?php $this->tablenav( 'top' ); ?>
 
 		<div id="availablethemes">
 			<?php $this->display_rows_or_placeholder(); ?>
 		</div>
 
 		<?php $this->tablenav( 'bottom' ); ?>
 		<?php
 	}
 
 	/**
 	 * @return array
 	 */
 	public function get_columns() {
 		return array();
 	}
 
 	/**
 	 */
 	public function display_rows_or_placeholder() {
 		if ( $this->has_items() ) {
 			$this->display_rows();
 		} else {
 			echo '<div class="no-items">';
 			$this->no_items();
 			echo '</div>';
 		}
 	}
 
 	/**
 	 */
 	public function display_rows() {
 		$themes = $this->items;
 
 		foreach ( $themes as $theme ) :
 			?>
 			<div class="available-theme">
 			<?php
 
 			$template   = $theme->get_template();
 			$stylesheet = $theme->get_stylesheet();
 			$title      = $theme->display( 'Name' );
 			$version    = $theme->display( 'Version' );
 			$author     = $theme->display( 'Author' );
 
 			$activate_link = wp_nonce_url( 'themes.php?action=activate&amp;template=' . urlencode( $template ) . '&amp;stylesheet=' . urlencode( $stylesheet ), 'switch-theme_' . $stylesheet );
 
 			$actions             = array();
 			$actions['activate'] = sprintf(
 				'<a href="%s" class="activatelink" title="%s">%s</a>',
 				$activate_link,
 				/* translators: %s: Theme name. */
 				esc_attr( sprintf( _x( 'Activate &#8220;%s&#8221;', 'theme' ), $title ) ),
 				__( 'Activate' )
 			);
 
 			if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
 				$actions['preview'] .= sprintf(
 					'<a href="%s" class="load-customize hide-if-no-customize">%s</a>',
 					wp_customize_url( $stylesheet ),
 					__( 'Live Preview' )
 				);
 			}
 
 			if ( ! is_multisite() && current_user_can( 'delete_themes' ) ) {
 				$actions['delete'] = sprintf(
 					'<a class="submitdelete deletion" href="%s" onclick="return confirm( \'%s\' );">%s</a>',
 					wp_nonce_url( 'themes.php?action=delete&amp;stylesheet=' . urlencode( $stylesheet ), 'delete-theme_' . $stylesheet ),
 					/* translators: %s: Theme name. */
 					esc_js( sprintf( __( "You are about to delete this theme '%s'\n  'Cancel' to stop, 'OK' to delete." ), $title ) ),
 					__( 'Delete' )
 				);
 			}
 
 			/** This filter is documented in wp-admin/includes/class-wp-ms-themes-list-table.php */
 			$actions = apply_filters( 'theme_action_links', $actions, $theme, 'all' );
 
 			/** This filter is documented in wp-admin/includes/class-wp-ms-themes-list-table.php */
 			$actions       = apply_filters( "theme_action_links_{$stylesheet}", $actions, $theme, 'all' );
 			$delete_action = isset( $actions['delete'] ) ? '<div class="delete-theme">' . $actions['delete'] . '</div>' : '';
 			unset( $actions['delete'] );
 
 			$screenshot = $theme->get_screenshot();
 			?>
 
 			<span class="screenshot hide-if-customize">
 				<?php if ( $screenshot ) : ?>
 					<img src="<?php echo esc_url( $screenshot ); ?>" alt="" />
 				<?php endif; ?>
 			</span>
 			<a href="<?php echo wp_customize_url( $stylesheet ); ?>" class="screenshot load-customize hide-if-no-customize">
 				<?php if ( $screenshot ) : ?>
 					<img src="<?php echo esc_url( $screenshot ); ?>" alt="" />
 				<?php endif; ?>
 			</a>
 
 			<h3><?php echo $title; ?></h3>
 			<div class="theme-author">
 				<?php
 					/* translators: %s: Theme author. */
 					printf( __( 'By %s' ), $author );
 				?>
 			</div>
 			<div class="action-links">
 				<ul>
 					<?php foreach ( $actions as $action ) : ?>
 						<li><?php echo $action; ?></li>
 					<?php endforeach; ?>
 					<li class="hide-if-no-js"><a href="#" class="theme-detail"><?php _e( 'Details' ); ?></a></li>
 				</ul>
 				<?php echo $delete_action; ?>
 
 				<?php theme_update_available( $theme ); ?>
 			</div>
 
 			<div class="themedetaildiv hide-if-js">
 				<p><strong><?php _e( 'Version:' ); ?></strong> <?php echo $version; ?></p>
 				<p><?php echo $theme->display( 'Description' ); ?></p>
 				<?php
 				if ( $theme->parent() ) {
 					printf(
 						/* translators: 1: Link to documentation on child themes, 2: Name of parent theme. */
 						' <p class="howto">' . __( 'This <a href="%1$s">child theme</a> requires its parent theme, %2$s.' ) . '</p>',
 						__( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' ),
 						$theme->parent()->display( 'Name' )
 					);
 				}
 				?>
 			</div>
 
 			</div>
 			<?php
 		endforeach;
 	}
 
 	/**
 	 * @param WP_Theme $theme
 	 * @return bool
 	 */
 	public function search_theme( $theme ) {
 		// Search the features.
 		foreach ( $this->features as $word ) {
 			if ( ! in_array( $word, $theme->get( 'Tags' ), true ) ) {
 				return false;
 			}
 		}
 
 		// Match all phrases.
 		foreach ( $this->search_terms as $word ) {
 			if ( in_array( $word, $theme->get( 'Tags' ), true ) ) {
 				continue;
 			}
 
 			foreach ( array( 'Name', 'Description', 'Author', 'AuthorURI' ) as $header ) {
 				// Don't mark up; Do translate.
 				if ( false !== stripos( strip_tags( $theme->display( $header, false, true ) ), $word ) ) {
 					continue 2;
 				}
 			}
 
 			if ( false !== stripos( $theme->get_stylesheet(), $word ) ) {
 				continue;
 			}
 
 			if ( false !== stripos( $theme->get_template(), $word ) ) {
 				continue;
 			}
 
 			return false;
 		}
 
 		return true;
 	}
 
 	/**
 	 * Send required variables to JavaScript land
 	 *
 	 * @since 3.4.0
 	 *
 	 * @param array $extra_args
 	 */
 	public function _js_vars( $extra_args = array() ) {
 		$search_string = isset( $_REQUEST['s'] ) ? esc_attr( wp_unslash( $_REQUEST['s'] ) ) : '';
 
 		$args = array(
 			'search'      => $search_string,
 			'features'    => $this->features,
 			'paged'       => $this->get_pagenum(),
 			'total_pages' => ! empty( $this->_pagination_args['total_pages'] ) ? $this->_pagination_args['total_pages'] : 1,
 		);
 
 		if ( is_array( $extra_args ) ) {
 			$args = array_merge( $args, $extra_args );
 		}
 
 		printf( "<script type='text/javascript'>var theme_list_args = %s;</script>\n", wp_json_encode( $args ) );
 		parent::_js_vars();
 	}
 }