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

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

    var $site_id;
    var $is_site_themes;

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

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

        $status = isset( $_REQUEST['theme_status'] ) ? $_REQUEST['theme_status'] : 'all';
        if ( !in_array( $status, array( 'all', 'enabled', 'disabled', 'upgrade', 'search', 'broken' ) ) )
            $status = 'all';

        $page = $this->get_pagenum();

        $this->is_site_themes = ( 'site-themes-network' == $this->screen->id ) ? true : false;

        if ( $this->is_site_themes )
            $this->site_id = isset( $_REQUEST['id'] ) ? intval( $_REQUEST['id'] ) : 0;
    }

    function get_table_classes() {
        return array( 'widefat', 'plugins' );    // todo: remove and add CSS for .themes
    }

    function ajax_user_can() {
        if ( $this->is_site_themes )
            return current_user_can( 'manage_sites' );
        else
            return current_user_can( 'manage_network_themes' );
    }

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

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

        $themes = array(
            /**
             * Filter the full array of WP_Theme objects to list in the Multisite
             * themes list table.
             *
             * @since 3.1.0
             *
             * @param array $all An array of WP_Theme objects to display in the list table.
             */
            'all' => apply_filters( 'all_themes', wp_get_themes() ),
            'search' => array(),
            'enabled' => array(),
            'disabled' => array(),
            'upgrade' => array(),
            'broken' => $this->is_site_themes ? array() : wp_get_themes( array( 'errors' => true ) ),
        );

        if ( $this->is_site_themes ) {
            $themes_per_page = $this->get_items_per_page( 'site_themes_network_per_page' );
            $allowed_where = 'site';
        } else {
            $themes_per_page = $this->get_items_per_page( 'themes_network_per_page' );
            $allowed_where = 'network';
        }

        $maybe_update = current_user_can( 'update_themes' ) && ! $this->is_site_themes && $current = get_site_transient( 'update_themes' );

        foreach ( (array) $themes['all'] as $key => $theme ) {
            if ( $this->is_site_themes && $theme->is_allowed( 'network' ) ) {
                unset( $themes['all'][ $key ] );
                continue;
            }

            if ( $maybe_update && isset( $current->response[ $key ] ) ) {
                $themes['all'][ $key ]->update = true;
                $themes['upgrade'][ $key ] = $themes['all'][ $key ];
            }

            $filter = $theme->is_allowed( $allowed_where, $this->site_id ) ? 'enabled' : 'disabled';
            $themes[ $filter ][ $key ] = $themes['all'][ $key ];
        }

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

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

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

        $this->items = $themes[ $status ];
        WP_Theme::sort_by_name( $this->items );

        $this->has_items = ! empty( $themes['all'] );
        $total_this_page = $totals[ $status ];

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

            if ( $orderby == 'Name' ) {
                if ( 'ASC' == $order )
                    $this->items = array_reverse( $this->items );
            } else {
                uasort( $this->items, array( $this, '_order_callback' ) );
            }
        }

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

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

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

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

        foreach ( array( 'Name', 'Description', 'Author', 'Author', 'AuthorURI' ) as $field ) {
            // Don't mark up; Do translate.
            if ( false !== stripos( $theme->display( $field, false, true ), $term ) )
                return true;
        }

        if ( false !== stripos( $theme->get_stylesheet(), $term ) )
            return true;

        if ( false !== stripos( $theme->get_template(), $term ) )
            return true;

        return false;
    }

    // Not used by any core columns.
    function _order_callback( $theme_a, $theme_b ) {
        global $orderby, $order;

        $a = $theme_a[ $orderby ];
        $b = $theme_b[ $orderby ];

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

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

    function no_items() {
        if ( ! $this->has_items )
            _e( 'No themes found.' );
        else
            _e( 'You do not appear to have any themes available at this time.' );
    }

    function get_columns() {
        global $status;

        return array(
            'cb'          => '<input type="checkbox" />',
            'name'        => __( 'Theme' ),
            'description' => __( 'Description' ),
        );
    }

    function get_sortable_columns() {
        return array(
            'name'         => 'name',
        );
    }

    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, 'themes' );
                    break;
                case 'enabled':
                    $text = _n( 'Enabled <span class="count">(%s)</span>', 'Enabled <span class="count">(%s)</span>', $count );
                    break;
                case 'disabled':
                    $text = _n( 'Disabled <span class="count">(%s)</span>', 'Disabled <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;
                case 'broken' :
                    $text = _n( 'Broken <span class="count">(%s)</span>', 'Broken <span class="count">(%s)</span>', $count );
                    break;
            }

            if ( $this->is_site_themes )
                $url = 'site-themes.php?id=' . $this->site_id;
            else
                $url = 'themes.php';

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

        return $status_links;
    }

    function get_bulk_actions() {
        global $status;

        $actions = array();
        if ( 'enabled' != $status )
            $actions['enable-selected'] = $this->is_site_themes ? __( 'Enable' ) : __( 'Network Enable' );
        if ( 'disabled' != $status )
            $actions['disable-selected'] = $this->is_site_themes ? __( 'Disable' ) : __( 'Network Disable' );
        if ( ! $this->is_site_themes ) {
            if ( current_user_can( 'update_themes' ) )
                $actions['update-selected'] = __( 'Update' );
            if ( current_user_can( 'delete_themes' ) )
                $actions['delete-selected'] = __( 'Delete' );
        }
        return $actions;
    }

    function display_rows() {
        foreach ( $this->items as $theme )
            $this->single_row( $theme );
    }

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

        $context = $status;

        if ( $this->is_site_themes ) {
            $url = "site-themes.php?id={$this->site_id}&amp;";
            $allowed = $theme->is_allowed( 'site', $this->site_id );
        } else {
            $url = 'themes.php?';
            $allowed = $theme->is_allowed( 'network' );
        }

        // preorder
        $actions = array(
            'enable' => '',
            'disable' => '',
            'edit' => '',
            'delete' => ''
        );

        $stylesheet = $theme->get_stylesheet();
        $theme_key = urlencode( $stylesheet );

        if ( ! $allowed ) {
            if ( ! $theme->errors() )
                $actions['enable'] = '<a href="' . esc_url( wp_nonce_url($url . 'action=enable&amp;theme=' . $theme_key . '&amp;paged=' . $page . '&amp;s=' . $s, 'enable-theme_' . $stylesheet ) ) . '" title="' . esc_attr__('Enable this theme') . '" class="edit">' . ( $this->is_site_themes ? __( 'Enable' ) : __( 'Network Enable' ) ) . '</a>';
        } else {
            $actions['disable'] = '<a href="' . esc_url( wp_nonce_url($url . 'action=disable&amp;theme=' . $theme_key . '&amp;paged=' . $page . '&amp;s=' . $s, 'disable-theme_' . $stylesheet ) ) . '" title="' . esc_attr__('Disable this theme') . '">' . ( $this->is_site_themes ? __( 'Disable' ) : __( 'Network Disable' ) ) . '</a>';
        }

        if ( current_user_can('edit_themes') )
            $actions['edit'] = '<a href="' . esc_url('theme-editor.php?theme=' . $theme_key ) . '" title="' . esc_attr__('Open this theme in the Theme Editor') . '" class="edit">' . __('Edit') . '</a>';

        if ( ! $allowed && current_user_can( 'delete_themes' ) && ! $this->is_site_themes && $stylesheet != get_option( 'stylesheet' ) && $stylesheet != get_option( 'template' ) )
            $actions['delete'] = '<a href="' . esc_url( wp_nonce_url( 'themes.php?action=delete-selected&amp;checked[]=' . $theme_key . '&amp;theme_status=' . $context . '&amp;paged=' . $page . '&amp;s=' . $s, 'bulk-themes' ) ) . '" title="' . esc_attr__( 'Delete this theme' ) . '" class="delete">' . __( 'Delete' ) . '</a>';

        /**
         * Filter the action links displayed for each theme in the Multisite
         * themes list table.
         *
         * The action links displayed are determined by the theme's status, and
         * which Multisite themes list table is being displayed - the Network
         * themes list table (themes.php), which displays all installed themes,
         * or the Site themes list table (site-themes.php), which displays the
         * non-network enabled themes when editing a site in the Network admin.
         *
         * The default action links for the Network themes list table include
         * 'Network Enable', 'Network Disable', 'Edit', and 'Delete'.
         *
         * The default action links for the Site themes list table include
         * 'Enable', 'Disable', and 'Edit'.
         *
         * @since 2.8.0
         *
         * @param array    $actions An array of action links.
         * @param WP_Theme $theme   The current WP_Theme object.
         * @param string   $context Status of the theme.
         */
        $actions = apply_filters( 'theme_action_links', array_filter( $actions ), $theme, $context );

        /**
         * Filter the action links of a specific theme in the Multisite themes
         * list table.
         *
         * The dynamic portion of the hook name, $stylesheet, refers to the
         * directory name of the theme, which in most cases is synonymous
         * with the template name.
         *
         * @since 3.1.0
         *
         * @param array    $actions An array of action links.
         * @param WP_Theme $theme   The current WP_Theme object.
         * @param string   $context Status of the theme.
         */
        $actions = apply_filters( "theme_action_links_$stylesheet", $actions, $theme, $context );

        $class = ! $allowed ? 'inactive' : 'active';
        $checkbox_id = "checkbox_" . md5( $theme->get('Name') );
        $checkbox = "<input type='checkbox' name='checked[]' value='" . esc_attr( $stylesheet ) . "' id='" . $checkbox_id . "' /><label class='screen-reader-text' for='" . $checkbox_id . "' >" . __('Select') . " " . $theme->display('Name') . "</label>";

        $id = sanitize_html_class( $theme->get_stylesheet() );

        if ( ! empty( $totals['upgrade'] ) && ! empty( $theme->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='theme-title'$style><strong>" . $theme->display('Name') . "</strong>";
                    echo $this->row_actions( $actions, true );
                    echo "</td>";
                    break;
                case 'description':
                    echo "<td class='column-description desc'$style>";
                    if ( $theme->errors() ) {
                        $pre = $status == 'broken' ? __( 'Broken Theme:' ) . ' ' : '';
                        echo '<p><strong class="attention">' . $pre . $theme->errors()->get_error_message() . '</strong></p>';
                    }
                    echo "<div class='theme-description'><p>" . $theme->display( 'Description' ) . "</p></div>
                        <div class='$class second theme-version-author-uri'>";

                    $theme_meta = array();

                    if ( $theme->get('Version') )
                        $theme_meta[] = sprintf( __( 'Version %s' ), $theme->display('Version') );

                    $theme_meta[] = sprintf( __( 'By %s' ), $theme->display('Author') );

                    if ( $theme->get('ThemeURI') )
                        $theme_meta[] = '<a href="' . $theme->display('ThemeURI') . '" title="' . esc_attr__( 'Visit theme homepage' ) . '">' . __( 'Visit Theme Site' ) . '</a>';

                    /**
                     * Filter the array of row meta for each theme in the Multisite themes
                     * list table.
                     *
                     * @since 3.1.0
                     *
                     * @param array    $theme_meta An array of the theme's metadata,
                     *                             including the version, author, and
                     *                             theme URI.
                     * @param string   $stylesheet Directory name of the theme.
                     * @param WP_Theme $theme      WP_Theme object.
                     * @param string   $status     Status of the theme.
                     */
                    $theme_meta = apply_filters( 'theme_row_meta', $theme_meta, $stylesheet, $theme, $status );
                    echo implode( ' | ', $theme_meta );

                    echo "</div></td>";
                    break;

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

                    /**
                     * Fires inside each custom column of the Multisite themes list table.
                     *
                     * @since 3.1.0
                     *
                     * @param string   $column_name Name of the column.
                     * @param string   $stylesheet  Directory name of the theme.
                     * @param WP_Theme $theme       Current WP_Theme object.
                     */
                    do_action( 'manage_themes_custom_column', $column_name, $stylesheet, $theme );
                    echo "</td>";
            }
        }

        echo "</tr>";

        if ( $this->is_site_themes )
            remove_action( "after_theme_row_$stylesheet", 'wp_theme_update_row' );

        /**
         * Fires after each row in the Multisite themes list table.
         *
         * @since 3.1.0
         *
         * @param string   $stylesheet Directory name of the theme.
         * @param WP_Theme $theme      Current WP_Theme object.
         * @param string   $status     Status of the theme.
         */
        do_action( 'after_theme_row', $stylesheet, $theme, $status );

        /**
         * Fires after each specific row in the Multisite themes list table.
         *
         * The dynamic portion of the hook name, $stylesheet, refers to the
         * directory name of the theme, most often synonymous with the template
         * name of the theme.
         *
         * @since 3.5.0
         *
         * @param string   $stylesheet Directory name of the theme.
         * @param WP_Theme $theme      Current WP_Theme object.
         * @param string   $status     Status of the theme.
         */
        do_action( "after_theme_row_$stylesheet", $stylesheet, $theme, $status );
    }
}