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Web.Admin/2014/wordpress/wp-admin/includes/class-wp-plugins-list-table.php

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<?php
/**
 * Plugins List Table class.
 *
 * @package WordPress
 * @subpackage List_Table
 * @since 3.1.0
 * @access private
 */
class WP_Plugins_List_Table extends WP_List_Table {

    function __construct( $args = array() ) {
        global $status, $page;

        parent::__construct( array(
            'plural' => 'plugins',
            'screen' => isset( $args['screen'] ) ? $args['screen'] : null,
        ) );

        $status = 'all';
        if ( isset( $_REQUEST['plugin_status'] ) && in_array( $_REQUEST['plugin_status'], array( 'active', 'inactive', 'recently_activated', 'upgrade', 'mustuse', 'dropins', 'search' ) ) )
            $status = $_REQUEST['plugin_status'];

        if ( isset($_REQUEST['s']) )
            $_SERVER['REQUEST_URI'] = add_query_arg('s', wp_unslash($_REQUEST['s']) );

        $page = $this->get_pagenum();
    }

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

    function ajax_user_can() {
        return current_user_can('activate_plugins');
    }

    function prepare_items() {
        global $status, $plugins, $totals, $page, $orderby, $order, $s;

        wp_reset_vars( array( 'orderby', 'order', 's' ) );

        /**
         * Filter the full array of plugins to list in the Plugins list table.
         *
         * @since 3.0.0
         *
         * @see get_plugins()
         *
         * @param array $plugins An array of plugins to display in the list table.
         */
        $plugins = array(
            'all' => apply_filters( 'all_plugins', get_plugins() ),
            'search' => array(),
            'active' => array(),
            'inactive' => array(),
            'recently_activated' => array(),
            'upgrade' => array(),
            'mustuse' => array(),
            'dropins' => array()
        );

        $screen = $this->screen;

        if ( ! is_multisite() || ( $screen->in_admin( 'network' ) && current_user_can( 'manage_network_plugins' ) ) ) {

            /**
             * Filter whether to display the advanced plugins list table.
             *
             * There are two types of advanced plugins - must-use and drop-ins -
             * which can be used in a single site or Multisite network.
             *
             * The $type parameter allows you to differentiate between the type of advanced
             * plugins to filter the display of. Contexts include 'mustuse' and 'dropins'.
             *
             * @since 3.0.0
             *
             * @param bool   $show Whether to show the advanced plugins for the specified
             *                     plugin type. Default true.
             * @param string $type The plugin type. Accepts 'mustuse', 'dropins'.
             */
            if ( apply_filters( 'show_advanced_plugins', true, 'mustuse' ) ) {
                $plugins['mustuse'] = get_mu_plugins();
            }

            /** This action is documented in wp-admin/includes/class-wp-plugins-list-table.php */
            if ( apply_filters( 'show_advanced_plugins', true, 'dropins' ) )
                $plugins['dropins'] = get_dropins();

            if ( current_user_can( 'update_plugins' ) ) {
                $current = get_site_transient( 'update_plugins' );
                foreach ( (array) $plugins['all'] as $plugin_file => $plugin_data ) {
                    if ( isset( $current->response[ $plugin_file ] ) ) {
                        $plugins['all'][ $plugin_file ]['update'] = true;
                        $plugins['upgrade'][ $plugin_file ] = $plugins['all'][ $plugin_file ];
                    }
                }
            }
        }

        set_transient( 'plugin_slugs', array_keys( $plugins['all'] ), DAY_IN_SECONDS );

        if ( ! $screen->in_admin( 'network' ) ) {
            $recently_activated = get_option( 'recently_activated', array() );

            foreach ( $recently_activated as $key => $time )
                if ( $time + WEEK_IN_SECONDS < time() )
                    unset( $recently_activated[$key] );
            update_option( 'recently_activated', $recently_activated );
        }

        foreach ( (array) $plugins['all'] as $plugin_file => $plugin_data ) {
            // Filter into individual sections
            if ( is_multisite() && ! $screen->in_admin( 'network' ) && is_network_only_plugin( $plugin_file ) && ! is_plugin_active( $plugin_file ) ) {
                // On the non-network screen, filter out network-only plugins as long as they're not individually activated
                unset( $plugins['all'][ $plugin_file ] );
            } elseif ( ! $screen->in_admin( 'network' ) && is_plugin_active_for_network( $plugin_file ) ) {
                // On the non-network screen, filter out network activated plugins
                unset( $plugins['all'][ $plugin_file ] );
            } elseif ( ( ! $screen->in_admin( 'network' ) && is_plugin_active( $plugin_file ) )
                || ( $screen->in_admin( 'network' ) && is_plugin_active_for_network( $plugin_file ) ) ) {
                // On the non-network screen, populate the active list with plugins that are individually activated
                // On the network-admin screen, populate the active list with plugins that are network activated
                $plugins['active'][ $plugin_file ] = $plugin_data;
            } else {
                if ( ! $screen->in_admin( 'network' ) && isset( $recently_activated[ $plugin_file ] ) ) {
                    // On the non-network screen, populate the recently activated list with plugins that have been recently activated
                    $plugins['recently_activated'][ $plugin_file ] = $plugin_data;
                }
                // Populate the inactive list with plugins that aren't activated
                $plugins['inactive'][ $plugin_file ] = $plugin_data;
            }
        }

        if ( $s ) {
            $status = 'search';
            $plugins['search'] = array_filter( $plugins['all'], array( $this, '_search_callback' ) );
        }

        $totals = array();
        foreach ( $plugins as $type => $list )
            $totals[ $type ] = count( $list );

        if ( empty( $plugins[ $status ] ) && !in_array( $status, array( 'all', 'search' ) ) )
            $status = 'all';

        $this->items = array();
        foreach ( $plugins[ $status ] as $plugin_file => $plugin_data ) {
            // Translate, Don't Apply Markup, Sanitize HTML
            $this->items[$plugin_file] = _get_plugin_data_markup_translate( $plugin_file, $plugin_data, false, true );
        }

        $total_this_page = $totals[ $status ];

        if ( $orderby ) {
            $orderby = ucfirst( $orderby );
            $order = strtoupper( $order );

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

        $plugins_per_page = $this->get_items_per_page( str_replace( '-', '_', $screen->id . '_per_page' ), 999 );

        $start = ( $page - 1 ) * $plugins_per_page;

        if ( $total_this_page > $plugins_per_page )
            $this->items = array_slice( $this->items, $start, $plugins_per_page );

        $this->set_pagination_args( array(
            'total_items' => $total_this_page,
            'per_page' => $plugins_per_page,
        ) );
    }

    function _search_callback( $plugin ) {
        static $term;
        if ( is_null( $term ) )
            $term = wp_unslash( $_REQUEST['s'] );

        foreach ( $plugin as $value ) {
            if ( false !== stripos( strip_tags( $value ), $term ) ) {
                return true;
            }
        }

        return false;
    }

    function _order_callback( $plugin_a, $plugin_b ) {
        global $orderby, $order;

        $a = $plugin_a[$orderby];
        $b = $plugin_b[$orderby];

        if ( $a == $b )
            return 0;

        if ( 'DESC' == $order )
            return ( $a < $b ) ? 1 : -1;
        else
            return ( $a < $b ) ? -1 : 1;
    }

    function no_items() {
        global $plugins;

        if ( !empty( $plugins['all'] ) )
            _e( 'No plugins found.' );
        else
            _e( 'You do not appear to have any plugins available at this time.' );
    }

    function get_columns() {
        global $status;

        return array(
            'cb'          => !in_array( $status, array( 'mustuse', 'dropins' ) ) ? '<input type="checkbox" />' : '',
            'name'        => __( 'Plugin' ),
            'description' => __( 'Description' ),
        );
    }

    function get_sortable_columns() {
        return array();
    }

    function get_views() {
        global $totals, $status;

        $status_links = array();
        foreach ( $totals as $type => $count ) {
            if ( !$count )
                continue;

            switch ( $type ) {
                case 'all':
                    $text = _nx( 'All <span class="count">(%s)</span>', 'All <span class="count">(%s)</span>', $count, 'plugins' );
                    break;
                case 'active':
                    $text = _n( 'Active <span class="count">(%s)</span>', 'Active <span class="count">(%s)</span>', $count );
                    break;
                case 'recently_activated':
                    $text = _n( 'Recently Active <span class="count">(%s)</span>', 'Recently Active <span class="count">(%s)</span>', $count );
                    break;
                case 'inactive':
                    $text = _n( 'Inactive <span class="count">(%s)</span>', 'Inactive <span class="count">(%s)</span>', $count );
                    break;
                case 'mustuse':
                    $text = _n( 'Must-Use <span class="count">(%s)</span>', 'Must-Use <span class="count">(%s)</span>', $count );
                    break;
                case 'dropins':
                    $text = _n( 'Drop-ins <span class="count">(%s)</span>', 'Drop-ins <span class="count">(%s)</span>', $count );
                    break;
                case 'upgrade':
                    $text = _n( 'Update Available <span class="count">(%s)</span>', 'Update Available <span class="count">(%s)</span>', $count );
                    break;
            }

            if ( 'search' != $type ) {
                $status_links[$type] = sprintf( "<a href='%s' %s>%s</a>",
                    add_query_arg('plugin_status', $type, 'plugins.php'),
                    ( $type == $status ) ? ' class="current"' : '',
                    sprintf( $text, number_format_i18n( $count ) )
                    );
            }
        }

        return $status_links;
    }

    function get_bulk_actions() {
        global $status;

        $actions = array();

        if ( 'active' != $status )
            $actions['activate-selected'] = $this->screen->in_admin( 'network' ) ? __( 'Network Activate' ) : __( 'Activate' );

        if ( 'inactive' != $status && 'recent' != $status )
            $actions['deactivate-selected'] = $this->screen->in_admin( 'network' ) ? __( 'Network Deactivate' ) : __( 'Deactivate' );

        if ( !is_multisite() || $this->screen->in_admin( 'network' ) ) {
            if ( current_user_can( 'update_plugins' ) )
                $actions['update-selected'] = __( 'Update' );
            if ( current_user_can( 'delete_plugins' ) && ( 'active' != $status ) )
                $actions['delete-selected'] = __( 'Delete' );
        }

        return $actions;
    }

    function bulk_actions() {
        global $status;

        if ( in_array( $status, array( 'mustuse', 'dropins' ) ) )
            return;

        parent::bulk_actions();
    }

    function extra_tablenav( $which ) {
        global $status;

        if ( ! in_array($status, array('recently_activated', 'mustuse', 'dropins') ) )
            return;

        echo '<div class="alignleft actions">';

        if ( ! $this->screen->in_admin( 'network' ) && 'recently_activated' == $status )
            submit_button( __( 'Clear List' ), 'button', 'clear-recent-list', false );
        elseif ( 'top' == $which && 'mustuse' == $status )
            echo '<p>' . sprintf( __( 'Files in the <code>%s</code> directory are executed automatically.' ), str_replace( ABSPATH, '/', WPMU_PLUGIN_DIR ) ) . '</p>';
        elseif ( 'top' == $which && 'dropins' == $status )
            echo '<p>' . sprintf( __( 'Drop-ins are advanced plugins in the <code>%s</code> directory that replace WordPress functionality when present.' ), str_replace( ABSPATH, '', WP_CONTENT_DIR ) ) . '</p>';

        echo '</div>';
    }

    function current_action() {
        if ( isset($_POST['clear-recent-list']) )
            return 'clear-recent-list';

        return parent::current_action();
    }

    function display_rows() {
        global $status;

        if ( is_multisite() && ! $this->screen->in_admin( 'network' ) && in_array( $status, array( 'mustuse', 'dropins' ) ) )
            return;

        foreach ( $this->items as $plugin_file => $plugin_data )
            $this->single_row( array( $plugin_file, $plugin_data ) );
    }

    function single_row( $item ) {
        global $status, $page, $s, $totals;

        list( $plugin_file, $plugin_data ) = $item;
        $context = $status;
        $screen = $this->screen;

        // preorder
        $actions = array(
            'deactivate' => '',
            'activate' => '',
            'edit' => '',
            'delete' => '',
        );

        if ( 'mustuse' == $context ) {
            $is_active = true;
        } elseif ( 'dropins' == $context ) {
            $dropins = _get_dropins();
            $plugin_name = $plugin_file;
            if ( $plugin_file != $plugin_data['Name'] )
                $plugin_name .= '<br/>' . $plugin_data['Name'];
            if ( true === ( $dropins[ $plugin_file ][1] ) ) { // Doesn't require a constant
                $is_active = true;
                $description = '<p><strong>' . $dropins[ $plugin_file ][0] . '</strong></p>';
            } elseif ( defined( $dropins[ $plugin_file ][1] ) && constant( $dropins[ $plugin_file ][1] ) ) { // Constant is true
                $is_active = true;
                $description = '<p><strong>' . $dropins[ $plugin_file ][0] . '</strong></p>';
            } else {
                $is_active = false;
                $description = '<p><strong>' . $dropins[ $plugin_file ][0] . ' <span class="attention">' . __('Inactive:') . '</span></strong> ' . sprintf( __( 'Requires <code>%s</code> in <code>wp-config.php</code>.' ), "define('" . $dropins[ $plugin_file ][1] . "', true);" ) . '</p>';
            }
            if ( $plugin_data['Description'] )
                $description .= '<p>' . $plugin_data['Description'] . '</p>';
        } else {
            if ( $screen->in_admin( 'network' ) )
                $is_active = is_plugin_active_for_network( $plugin_file );
            else
                $is_active = is_plugin_active( $plugin_file );

            if ( $screen->in_admin( 'network' ) ) {
                if ( $is_active ) {
                    if ( current_user_can( 'manage_network_plugins' ) )
                        $actions['deactivate'] = '<a href="' . wp_nonce_url('plugins.php?action=deactivate&amp;plugin=' . $plugin_file . '&amp;plugin_status=' . $context . '&amp;paged=' . $page . '&amp;s=' . $s, 'deactivate-plugin_' . $plugin_file) . '" title="' . esc_attr__('Deactivate this plugin') . '">' . __('Network Deactivate') . '</a>';
                } else {
                    if ( current_user_can( 'manage_network_plugins' ) )
                        $actions['activate'] = '<a href="' . wp_nonce_url('plugins.php?action=activate&amp;plugin=' . $plugin_file . '&amp;plugin_status=' . $context . '&amp;paged=' . $page . '&amp;s=' . $s, 'activate-plugin_' . $plugin_file) . '" title="' . esc_attr__('Activate this plugin for all sites in this network') . '" class="edit">' . __('Network Activate') . '</a>';
                    if ( current_user_can( 'delete_plugins' ) && ! is_plugin_active( $plugin_file ) )
                        $actions['delete'] = '<a href="' . wp_nonce_url('plugins.php?action=delete-selected&amp;checked[]=' . $plugin_file . '&amp;plugin_status=' . $context . '&amp;paged=' . $page . '&amp;s=' . $s, 'bulk-plugins') . '" title="' . esc_attr__('Delete this plugin') . '" class="delete">' . __('Delete') . '</a>';
                }
            } else {
                if ( $is_active ) {
                    $actions['deactivate'] = '<a href="' . wp_nonce_url('plugins.php?action=deactivate&amp;plugin=' . $plugin_file . '&amp;plugin_status=' . $context . '&amp;paged=' . $page . '&amp;s=' . $s, 'deactivate-plugin_' . $plugin_file) . '" title="' . esc_attr__('Deactivate this plugin') . '">' . __('Deactivate') . '</a>';
                } else {
                    $actions['activate'] = '<a href="' . wp_nonce_url('plugins.php?action=activate&amp;plugin=' . $plugin_file . '&amp;plugin_status=' . $context . '&amp;paged=' . $page . '&amp;s=' . $s, 'activate-plugin_' . $plugin_file) . '" title="' . esc_attr__('Activate this plugin') . '" class="edit">' . __('Activate') . '</a>';

                    if ( ! is_multisite() && current_user_can('delete_plugins') )
                        $actions['delete'] = '<a href="' . wp_nonce_url('plugins.php?action=delete-selected&amp;checked[]=' . $plugin_file . '&amp;plugin_status=' . $context . '&amp;paged=' . $page . '&amp;s=' . $s, 'bulk-plugins') . '" title="' . esc_attr__('Delete this plugin') . '" class="delete">' . __('Delete') . '</a>';
                } // end if $is_active
             } // end if $screen->in_admin( 'network' )

            if ( ( ! is_multisite() || $screen->in_admin( 'network' ) ) && current_user_can('edit_plugins') && is_writable(WP_PLUGIN_DIR . '/' . $plugin_file) )
                $actions['edit'] = '<a href="plugin-editor.php?file=' . $plugin_file . '" title="' . esc_attr__('Open this file in the Plugin Editor') . '" class="edit">' . __('Edit') . '</a>';
        } // end if $context

        $prefix = $screen->in_admin( 'network' ) ? 'network_admin_' : '';

        /**
         * Filter the action links displayed for each plugin in the Plugins list table.
         *
         * The dynamic portion of the hook name, $prefix, refers to the context the
         * action links are displayed in. The 'network_admin_' prefix is used if the
         * current screen is the Network plugins list table. The prefix is empty ('')
         * if the current screen is the site plugins list table.
         *
         * The default action links for the Network plugins list table include
         * 'Network Activate', 'Network Deactivate', 'Edit', and 'Delete'.
         *
         * The default action links for the site plugins list table include
         * 'Activate', 'Deactivate', and 'Edit', for a network site, and
         * 'Activate', 'Deactivate', 'Edit', and 'Delete' for a single site.
         *
         * @since 2.5.0
         *
         * @param array  $actions     An array of plugin action links.
         * @param string $plugin_file Path to the plugin file.
         * @param array  $plugin_data An array of plugin data.
         * @param string $context     The plugin context. Defaults are 'All', 'Active',
         *                            'Inactive', 'Recently Activated', 'Upgrade',
         *                            'Must-Use', 'Drop-ins', 'Search'.
         */
        $actions = apply_filters( $prefix . 'plugin_action_links', array_filter( $actions ), $plugin_file, $plugin_data, $context );

        /**
         * Filter the list of action links displayed for a specific plugin.
         *
         * The first dynamic portion of the hook name, $prefix, refers to the context
         * the action links are displayed in. The 'network_admin_' prefix is used if the
         * current screen is the Network plugins list table. The prefix is empty ('')
         * if the current screen is the site plugins list table.
         *
         * The second dynamic portion of the hook name, $plugin_file, refers to the path
         * to the plugin file, relative to the plugins directory.
         *
         * @since 2.7.0
         *
         * @param array  $actions     An array of plugin action links.
         * @param string $plugin_file Path to the plugin file.
         * @param array  $plugin_data An array of plugin data.
         * @param string $context     The plugin context. Defaults are 'All', 'Active',
         *                            'Inactive', 'Recently Activated', 'Upgrade',
         *                            'Must-Use', 'Drop-ins', 'Search'.
         */
        $actions = apply_filters( $prefix . "plugin_action_links_$plugin_file", $actions, $plugin_file, $plugin_data, $context );

        $class = $is_active ? 'active' : 'inactive';
        $checkbox_id =  "checkbox_" . md5($plugin_data['Name']);
        if ( in_array( $status, array( 'mustuse', 'dropins' ) ) ) {
            $checkbox = '';
        } else {
            $checkbox = "<label class='screen-reader-text' for='" . $checkbox_id . "' >" . sprintf( __( 'Select %s' ), $plugin_data['Name'] ) . "</label>"
                . "<input type='checkbox' name='checked[]' value='" . esc_attr( $plugin_file ) . "' id='" . $checkbox_id . "' />";
        }
        if ( 'dropins' != $context ) {
            $description = '<p>' . ( $plugin_data['Description'] ? $plugin_data['Description'] : '&nbsp;' ) . '</p>';
            $plugin_name = $plugin_data['Name'];
        }

        $id = sanitize_title( $plugin_name );
        if ( ! empty( $totals['upgrade'] ) && ! empty( $plugin_data['update'] ) )
            $class .= ' update';

        echo "<tr id='$id' class='$class'>";

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

        foreach ( $columns as $column_name => $column_display_name ) {
            $style = '';
            if ( in_array( $column_name, $hidden ) )
                $style = ' style="display:none;"';

            switch ( $column_name ) {
                case 'cb':
                    echo "<th scope='row' class='check-column'>$checkbox</th>";
                    break;
                case 'name':
                    echo "<td class='plugin-title'$style><strong>$plugin_name</strong>";
                    echo $this->row_actions( $actions, true );
                    echo "</td>";
                    break;
                case 'description':
                    echo "<td class='column-description desc'$style>
                        <div class='plugin-description'>$description</div>
                        <div class='$class second plugin-version-author-uri'>";

                    $plugin_meta = array();
                    if ( !empty( $plugin_data['Version'] ) )
                        $plugin_meta[] = sprintf( __( 'Version %s' ), $plugin_data['Version'] );
                    if ( !empty( $plugin_data['Author'] ) ) {
                        $author = $plugin_data['Author'];
                        if ( !empty( $plugin_data['AuthorURI'] ) )
                            $author = '<a href="' . $plugin_data['AuthorURI'] . '" title="' . esc_attr__( 'Visit author homepage' ) . '">' . $plugin_data['Author'] . '</a>';
                        $plugin_meta[] = sprintf( __( 'By %s' ), $author );
                    }
                    if ( ! empty( $plugin_data['PluginURI'] ) )
                        $plugin_meta[] = '<a href="' . $plugin_data['PluginURI'] . '" title="' . esc_attr__( 'Visit plugin site' ) . '">' . __( 'Visit plugin site' ) . '</a>';

                    /**
                     * Filter the array of row meta for each plugin in the Plugins list table.
                     *
                     * @since 2.8.0
                     *
                     * @param array  $plugin_meta An array of the plugin's metadata,
                     *                            including the version, author,
                     *                            author URI, and plugin URI.
                     * @param string $plugin_file Path to the plugin file, relative to the plugins directory.
                     * @param array  $plugin_data An array of plugin data.
                     * @param string $status      Status of the plugin. Defaults are 'All', 'Active',
                     *                            'Inactive', 'Recently Activated', 'Upgrade', 'Must-Use',
                     *                            'Drop-ins', 'Search'.
                     */
                    $plugin_meta = apply_filters( 'plugin_row_meta', $plugin_meta, $plugin_file, $plugin_data, $status );
                    echo implode( ' | ', $plugin_meta );

                    echo "</div></td>";
                    break;
                default:
                    echo "<td class='$column_name column-$column_name'$style>";

                    /**
                     * Fires inside each custom column of the Plugins list table.
                     *
                     * @since 3.1.0
                     *
                     * @param string $column_name Name of the column.
                     * @param string $plugin_file Path to the plugin file.
                     * @param array  $plugin_data An array of plugin data.
                     */
                    do_action( 'manage_plugins_custom_column', $column_name, $plugin_file, $plugin_data );
                    echo "</td>";
            }
        }

        echo "</tr>";

        /**
         * Fires after each row in the Plugins list table.
         *
         * @since 2.3.0
         *
         * @param string $plugin_file Path to the plugin file, relative to the plugins directory.
         * @param array  $plugin_data An array of plugin data.
         * @param string $status      Status of the plugin. Defaults are 'All', 'Active',
         *                            'Inactive', 'Recently Activated', 'Upgrade', 'Must-Use',
         *                            'Drop-ins', 'Search'.
         */
        do_action( 'after_plugin_row', $plugin_file, $plugin_data, $status );

        /**
         * Fires after each specific row in the Plugins list table.
         *
         * The dynamic portion of the hook name, $plugin_file, refers to the path
         * to the plugin file, relative to the plugins directory.
         *
         * @since 2.7.0
         *
         * @param string $plugin_file Path to the plugin file, relative to the plugins directory.
         * @param array  $plugin_data An array of plugin data.
         * @param string $status      Status of the plugin. Defaults are 'All', 'Active',
         *                            'Inactive', 'Recently Activated', 'Upgrade', 'Must-Use',
         *                            'Drop-ins', 'Search'.
         */
        do_action( "after_plugin_row_$plugin_file", $plugin_file, $plugin_data, $status );
    }
}