HTML Examples/WP.iso/wordpress/wp-admin/includes/class-wp-upgrader-skin.php

PHP Script | 2017-07-26 | 4.9 KB | 204 lines

<?php
/**
 * Upgrader API: WP_Upgrader_Skin class
 *
 * @package WordPress
 * @subpackage Upgrader
 * @since 4.6.0
 */

/**
 * Generic Skin for the WordPress Upgrader classes. This skin is designed to be extended for specific purposes.
 *
 * @since 2.8.0
 * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
 */
class WP_Upgrader_Skin {

    public $upgrader;
    public $done_header = false;
    public $done_footer = false;

    /**
     * Holds the result of an upgrade.
     *
     * @since 2.8.0
     * @var string|bool|WP_Error
     */
    public $result = false;
    public $options = array();

    /**
     *
     * @param array $args
     */
    public function __construct($args = array()) {
        $defaults = array( 'url' => '', 'nonce' => '', 'title' => '', 'context' => false );
        $this->options = wp_parse_args($args, $defaults);
    }

    /**
     *
     * @param WP_Upgrader $upgrader
     */
    public function set_upgrader(&$upgrader) {
        if ( is_object($upgrader) )
            $this->upgrader =& $upgrader;
        $this->add_strings();
    }

    /**
     */
    public function add_strings() {
    }

    /**
     * Sets the result of an upgrade.
     *
     * @since 2.8.0
     *
     * @param string|bool|WP_Error $result The result of an upgrade.
     */
    public function set_result( $result ) {
        $this->result = $result;
    }

    /**
     * Displays a form to the user to request for their FTP/SSH details in order
     * to connect to the filesystem.
     *
     * @since 2.8.0
     * @since 4.6.0 The `$context` parameter default changed from `false` to an empty string.
     *
     * @see request_filesystem_credentials()
     *
     * @param bool   $error                        Optional. Whether the current request has failed to connect.
     *                                             Default false.
     * @param string $context                      Optional. Full path to the directory that is tested
     *                                             for being writable. Default empty.
     * @param bool   $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. Default false.
     * @return bool False on failure, true on success.
     */
    public function request_filesystem_credentials( $error = false, $context = '', $allow_relaxed_file_ownership = false ) {
        $url = $this->options['url'];
        if ( ! $context ) {
            $context = $this->options['context'];
        }
        if ( !empty($this->options['nonce']) ) {
            $url = wp_nonce_url($url, $this->options['nonce']);
        }

        $extra_fields = array();

        return request_filesystem_credentials( $url, '', $error, $context, $extra_fields, $allow_relaxed_file_ownership );
    }

    /**
     */
    public function header() {
        if ( $this->done_header ) {
            return;
        }
        $this->done_header = true;
        echo '<div class="wrap">';
        echo '<h1>' . $this->options['title'] . '</h1>';
    }

    /**
     */
    public function footer() {
        if ( $this->done_footer ) {
            return;
        }
        $this->done_footer = true;
        echo '</div>';
    }

    /**
     *
     * @param string|WP_Error $errors
     */
    public function error($errors) {
        if ( ! $this->done_header )
            $this->header();
        if ( is_string($errors) ) {
            $this->feedback($errors);
        } elseif ( is_wp_error($errors) && $errors->get_error_code() ) {
            foreach ( $errors->get_error_messages() as $message ) {
                if ( $errors->get_error_data() && is_string( $errors->get_error_data() ) )
                    $this->feedback($message . ' ' . esc_html( strip_tags( $errors->get_error_data() ) ) );
                else
                    $this->feedback($message);
            }
        }
    }

    /**
     *
     * @param string $string
     */
    public function feedback($string) {
        if ( isset( $this->upgrader->strings[$string] ) )
            $string = $this->upgrader->strings[$string];

        if ( strpos($string, '%') !== false ) {
            $args = func_get_args();
            $args = array_splice($args, 1);
            if ( $args ) {
                $args = array_map( 'strip_tags', $args );
                $args = array_map( 'esc_html', $args );
                $string = vsprintf($string, $args);
            }
        }
        if ( empty($string) )
            return;
        show_message($string);
    }

    /**
     */
    public function before() {}

    /**
     */
    public function after() {}

    /**
     * Output JavaScript that calls function to decrement the update counts.
     *
     * @since 3.9.0
     *
     * @param string $type Type of update count to decrement. Likely values include 'plugin',
     *                     'theme', 'translation', etc.
     */
    protected function decrement_update_count( $type ) {
        if ( ! $this->result || is_wp_error( $this->result ) || 'up_to_date' === $this->result ) {
            return;
        }

        if ( defined( 'IFRAME_REQUEST' ) ) {
            echo '<script type="text/javascript">
                    if ( window.postMessage && JSON ) {
                        window.parent.postMessage( JSON.stringify( { action: "decrementUpdateCount", upgradeType: "' . $type . '" } ), window.location.protocol + "//" + window.location.hostname );
                    }
                </script>';
        } else {
            echo '<script type="text/javascript">
                    (function( wp ) {
                        if ( wp && wp.updates.decrementCount ) {
                            wp.updates.decrementCount( "' . $type . '" );
                        }
                    })( window.wp );
                </script>';
        }
    }

    /**
     */
    public function bulk_header() {}

    /**
     */
    public function bulk_footer() {}
}