<?php

/**

 * Plugin Installer List Table class.

 *

 * @package WordPress

 * @subpackage List_Table

 * @since 3.1.0

 * @access private

 */

class WP_Plugin_Install_List_Table extends WP_List_Table {

	function ajax_user_can() {

		return current_user_can('install_plugins');

	}

	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();

		$tabs['dashboard'] = __( 'Search' );

		if ( 'search' == $tab )

			$tabs['search']	= __( 'Search Results' );

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

		$tabs['featured']  = _x( 'Featured', 'Plugin Installer' );

		$tabs['popular']   = _x( 'Popular', 'Plugin Installer' );

		$tabs['new']       = _x( 'Newest', 'Plugin Installer' );

		$tabs['favorites'] = _x( 'Favorites', 'Plugin Installer' );

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

		/**

		 * Filter the tabs shown on the Plugin Install screen.

		 *

		 * @since 2.7.0

		 *

		 * @param array $tabs The tabs shown on the Plugin Install screen. Defaults are 'dashboard', 'search',

		 *                    'upload', 'featured', 'popular', 'new', and 'favorites'.

		 */

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

		/**

		 * Filter tabs not associated with a menu item on the Plugin Install screen.

		 *

		 * @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 );

		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;

				}

				add_action( 'install_plugins_table_header', 'install_search_form', 10, 0 );

				break;

			case 'featured':

			case 'popular':

			case 'new':

				$args['browse'] = $tab;

				break;

			case 'favorites':

				$user = isset( $_GET['user'] ) ? wp_unslash( $_GET['user'] ) : get_user_option( 'wporg_favorites' );

				update_user_meta( get_current_user_id(), 'wporg_favorites', $user );

				if ( $user )

					$args['user'] = $user;

				else

					$args = false;

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

				break;

			default:

				$args = false;

				break;

		}

		/**

		 * Filter API request arguments for each Plugin Install screen tab.

		 *

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

		 * Default tabs are 'dashboard', 'search', 'upload', 'featured', 'popular', 'new',

		 * and 'favorites'.

		 *

		 * @since 3.7.0

		 *

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

		 */

		$args = apply_filters( "install_plugins_table_api_args_$tab", $args );

		if ( !$args )

			return;

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

		if ( is_wp_error( $api ) )

			wp_die( $api->get_error_message() . '</p> <p class="hide-if-no-js"><a href="#" onclick="document.location.reload(); return false;">' . __( 'Try again' ) . '</a>' );

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

		$this->set_pagination_args( array(

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

			'per_page' => $per_page,

		) );

	}

	function no_items() {

		_e( 'No plugins match your request.' );

	}

	function get_views() {

		global $tabs, $tab;

		$display_tabs = array();

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

			$class = ( $action == $tab ) ? ' class="current"' : '';

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

			$display_tabs['plugin-install-'.$action] = "<a href='$href'$class>$text</a>";

		}

		return $display_tabs;

	}

	function display_tablenav( $which ) {

		if ( 'top' ==  $which ) { ?>

			<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

		}

	}

	function get_table_classes() {

		extract( $this->_args );

		return array( 'widefat', $plural );

	}

	function get_columns() {

		return array(

			'name'        => _x( 'Name', 'plugin name' ),

			'version'     => __( 'Version' ),

			'rating'      => __( 'Rating' ),

			'description' => __( 'Description' ),

		);

	}

	function display_rows() {

		$plugins_allowedtags = array(

			'a' => array( 'href' => array(),'title' => array(), 'target' => array() ),

			'abbr' => array( 'title' => array() ),'acronym' => array( 'title' => array() ),

			'code' => array(), 'pre' => array(), 'em' => array(),'strong' => array(),

			'ul' => array(), 'ol' => array(), 'li' => array(), 'p' => array(), 'br' => array()

		);

		list( $columns, $hidden ) = $this->get_column_info();

		$style = array();

		foreach ( $columns as $column_name => $column_display_name ) {

			$style[ $column_name ] = in_array( $column_name, $hidden ) ? 'style="display:none;"' : '';

		}

		foreach ( (array) $this->items as $plugin ) {

			if ( is_object( $plugin ) )

				$plugin = (array) $plugin;

			$title = wp_kses( $plugin['name'], $plugins_allowedtags );

			//Limit description to 400char, and remove any HTML.

			$description = strip_tags( $plugin['description'] );

			if ( strlen( $description ) > 400 )

				$description = mb_substr( $description, 0, 400 ) . '…';

			//remove any trailing entities

			$description = preg_replace( '/&[^;\s]{0,6}$/', '', $description );

			//strip leading/trailing & multiple consecutive lines

			$description = trim( $description );

			$description = preg_replace( "|(\r?\n)+|", "\n", $description );

			//\n => <br>

			$description = nl2br( $description );

			$version = wp_kses( $plugin['version'], $plugins_allowedtags );

			$name = strip_tags( $title . ' ' . $version );

			$author = $plugin['author'];

			if ( ! empty( $plugin['author'] ) )

				$author = ' <cite>' . sprintf( __( 'By %s' ), $author ) . '.</cite>';

			$author = wp_kses( $author, $plugins_allowedtags );

			$action_links = array();

			$action_links[] = '<a href="' . self_admin_url( 'plugin-install.php?tab=plugin-information&amp;plugin=' . $plugin['slug'] .

								'&TB_iframe=true&width=600&height=550' ) . '" class="thickbox" title="' .

								esc_attr( sprintf( __( 'More information about %s' ), $name ) ) . '">' . __( 'Details' ) . '</a>';

			if ( current_user_can( 'install_plugins' ) || current_user_can( 'update_plugins' ) ) {

				$status = install_plugin_install_status( $plugin );

				switch ( $status['status'] ) {

					case 'install':

						if ( $status['url'] )

							$action_links[] = '<a class="install-now" href="' . $status['url'] . '" title="' . esc_attr( sprintf( __( 'Install %s' ), $name ) ) . '">' . __( 'Install Now' ) . '</a>';

						break;

					case 'update_available':

						if ( $status['url'] )

							$action_links[] = '<a href="' . $status['url'] . '" title="' . esc_attr( sprintf( __( 'Update to version %s' ), $status['version'] ) ) . '">' . sprintf( __( 'Update Now' ), $status['version'] ) . '</a>';

						break;

					case 'latest_installed':

					case 'newer_installed':

						$action_links[] = '<span title="' . esc_attr__( 'This plugin is already installed and is up to date' ) . ' ">' . _x( 'Installed', 'plugin' ) . '</span>';

						break;

				}

			}

			/**

			 * Filter the install action links for a plugin.

			 *

			 * @since 2.7.0

			 *

			 * @param array $action_links An array of plugin action hyperlinks. Defaults are links to Details and Install Now.

			 * @param array $plugin       The plugin currently being listed.

			 */

			$action_links = apply_filters( 'plugin_install_action_links', $action_links, $plugin );

		?>

		<tr>

			<td class="name column-name"<?php echo $style['name']; ?>><strong><?php echo $title; ?></strong>

				<div class="action-links"><?php if ( !empty( $action_links ) ) echo implode( ' | ', $action_links ); ?></div>

			</td>

			<td class="vers column-version"<?php echo $style['version']; ?>><?php echo $version; ?></td>

			<td class="vers column-rating"<?php echo $style['rating']; ?>>

				<div class="star-holder" title="<?php printf( _n( '(based on %s rating)', '(based on %s ratings)', $plugin['num_ratings'] ), number_format_i18n( $plugin['num_ratings'] ) ) ?>">

					<div class="star star-rating" style="width: <?php echo esc_attr( str_replace( ',', '.', $plugin['rating'] ) ); ?>px"></div>

				</div>

			</td>

			<td class="desc column-description"<?php echo $style['description']; ?>><?php echo $description, $author; ?></td>

		</tr>

		<?php

		}

	}

}