<?php

/**

 *

 * @package WordPress

 * @since 3.1.0

 * @access private

 */

class WP_Plugin_Install_List_Table extends WP_List_Table {

	public $order = 'ASC';

	public $orderby = null;

	public $groups = array();

	private $error;

	public function ajax_user_can() {

		return current_user_can('install_plugins');

	}

	/**

	 * Return a list of slugs of installed plugins, if known.

	 *

	 * Uses the transient data from the updates API to determine the slugs of

	 * known installed plugins. This might be better elsewhere, perhaps even

	 * within get_plugins().

	 *

	 * @since 4.0.0

	 */

	protected function get_installed_plugin_slugs() {

	}

	public function prepare_items() {

		include( ABSPATH . 'wp-admin/includes/plugin-install.php' );

		global $tabs, $tab, $paged, $type, $term;

		wp_reset_vars( array( 'tab' ) );

		$paged = $this->get_pagenum();

		$per_page = 30;

		// These are the tabs which are shown on the page

		$tabs = array();

		}

		if ( current_user_can( 'upload_plugins' ) ) {

			// No longer a real tab. Here for filter compatibility.

			// Gets skipped in get_views().

			$tabs['upload'] = __( 'Upload Plugin' );

		}

		$nonmenu_tabs = array( 'plugin-information' ); // Valid actions to perform which do not have a Menu item.

		/**

		 *

		 * @since 2.7.0

		 *

		 * @param array $tabs The tabs shown on the Plugin Install screen. Defaults include 'featured', 'popular',

		 *                    'recommended', 'favorites', and 'upload'.

		 */

		$tabs = apply_filters( 'install_plugins_tabs', $tabs );

		/**

		 *

		 * @since 2.7.0

		 *

		 * @param array $nonmenu_tabs The tabs that don't have a Menu item on the Plugin Install screen.

		 */

		$nonmenu_tabs = apply_filters( 'install_plugins_nonmenu_tabs', $nonmenu_tabs );

		// If a non-valid menu tab has been selected, And it's not a non-menu action.

		if ( empty( $tab ) || ( !isset( $tabs[ $tab ] ) && !in_array( $tab, (array) $nonmenu_tabs ) ) )

			$tab = key( $tabs );

		$args = array(

			'page' => $paged,

			'per_page' => $per_page,

			'fields' => array(

				'last_updated' => true,

				'icons' => true,

				'active_installs' => true

			),

			// Send the locale and installed plugin slugs to the API so it can provide context-sensitive results.

		);

		switch ( $tab ) {

			case 'search':

				$type = isset( $_REQUEST['type'] ) ? wp_unslash( $_REQUEST['type'] ) : 'term';

				$term = isset( $_REQUEST['s'] ) ? wp_unslash( $_REQUEST['s'] ) : '';

				switch ( $type ) {

					case 'tag':

						$args['tag'] = sanitize_title_with_dashes( $term );

						break;

					case 'term':

						$args['search'] = $term;

						break;

					case 'author':

						$args['author'] = $term;

						break;

				}

				break;

			case 'featured':

				$args['fields']['group'] = true;

				$this->orderby = 'group';

				// No break!

			case 'popular':

			case 'new':

			case 'beta':

			case 'recommended':

				$args['browse'] = $tab;

				break;

			case 'favorites':

				if ( $user )

					$args['user'] = $user;

				else

					$args = false;

				add_action( 'install_plugins_favorites', 'install_plugins_favorites_form', 9, 0 );

				break;

			default:

				$args = false;

				break;

		}

		/**

		 *

		 * The dynamic portion of the hook name, `$tab`, refers to the plugin install tabs.

		 * Default tabs include 'featured', 'popular', 'recommended', 'favorites', and 'upload'.

		 *

		 * @since 3.7.0

		 *

		 * @param array|bool $args Plugin Install API arguments.

		 */

		if ( !$args )

			return;

		$api = plugins_api( 'query_plugins', $args );

		if ( is_wp_error( $api ) ) {

			$this->error = $api;

			return;

		}

		$this->items = $api->plugins;

		if ( $this->orderby ) {

			uasort( $this->items, array( $this, 'order_callback' ) );

		}

		$this->set_pagination_args( array(

			'total_items' => $api->info['results'],

			'per_page' => $args['per_page'],

		) );

		if ( isset( $api->info['groups'] ) ) {

			$this->groups = $api->info['groups'];

		}

	}

	public function no_items() {

		}

	}

	protected function get_views() {

		global $tabs, $tab;

		$display_tabs = array();

		foreach ( (array) $tabs as $action => $text ) {

			$href = self_admin_url('plugin-install.php?tab=' . $action);

		}

		// No longer a real tab.

		unset( $display_tabs['plugin-install-upload'] );

		return $display_tabs;

	}

	/**

	 * Override parent views so we can use the filter bar display.

	 */

	public function views() {

		$views = $this->get_views();

		/** This filter is documented in wp-admin/inclues/class-wp-list-table.php */

		$views = apply_filters( "views_{$this->screen->id}", $views );

?>

<div class="wp-filter">

	<ul class="filter-links">

		<?php

		if ( ! empty( $views ) ) {

			foreach ( $views as $class => $view ) {

				$views[ $class ] = "\t<li class='$class'>$view";

			}

			echo implode( " </li>\n", $views ) . "</li>\n";

		}

		?>

	</ul>

</div>

<?php

	}

	/**

	 * Override the parent display() so we can provide a different container.

	 */

	public function display() {

		$singular = $this->_args['singular'];

		$data_attr = '';

		if ( $singular ) {

			$data_attr = " data-wp-lists='list:$singular'";

		}

		$this->display_tablenav( 'top' );

?>

<div class="wp-list-table <?php echo implode( ' ', $this->get_table_classes() ); ?>">

	<div id="the-list"<?php echo $data_attr; ?>>

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

	</div>

</div>

<?php

		$this->display_tablenav( 'bottom' );

	}

	/**

	 * @param string $which

	 */

	protected function display_tablenav( $which ) {

		if ( $GLOBALS['tab'] === 'featured' ) {

			return;

		}

			wp_referer_field();

		?>

			<div class="tablenav top">

				<div class="alignleft actions">

					<?php

					/**

					 * Fires before the Plugin Install table header pagination is displayed.

					 *

					 * @since 2.7.0

					 */

					do_action( 'install_plugins_table_header' ); ?>

				</div>

				<?php $this->pagination( $which ); ?>

				<br class="clear" />

			</div>

		<?php } else { ?>

			<div class="tablenav bottom">

				<?php $this->pagination( $which ); ?>

				<br class="clear" />

			</div>

		<?php

		}

	}

	protected function get_table_classes() {

		return array( 'widefat', $this->_args['plural'] );

	}

	public function get_columns() {

		return array();

	}

	/**

	 * @param object $plugin_a

	 * @param object $plugin_b

	 * @return int

	 */

	private function order_callback( $plugin_a, $plugin_b ) {

		$orderby = $this->orderby;