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/plugins/wp-table-reloaded/controllers/controller-admin.php

https://github.com/petergibbons/OpenCounterWP
PHP | 1922 lines | 1484 code | 130 blank | 308 comment | 100 complexity | 66101b57c9f2d3a43f2dec20f7d79e9b MD5 | raw file

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  1. <?php
    2. 

  2. /**
    3. 

  3.  * Admin Controller for WP-Table Reloaded with functions for the backend
    4. 

  4.  *
    5. 

  5.  * @package WP-Table Reloaded
    6. 

  6.  * @subpackage Admin Controller
    7. 

  7.  * @author Tobias B&auml;thge
    8. 

  8.  * @since 1.6
    9. 

  9.  */
    10. 

  10. 

  11. /**
    12. 

  12.  * Include file with the Base Controller Class
    13. 

  13.  */
    14. 

  14. require_once ( WP_TABLE_RELOADED_ABSPATH . 'controllers/controller-base.php' );
    15. 

  15. 

  16. /**
    17. 

  17.  * Define the WP-Table Reloaded Text Domain, used to separate between plugin and core localization
    18. 

  18.  */
    19. 

  19. define( 'WP_TABLE_RELOADED_TEXTDOMAIN', 'wp-table-reloaded' );
    20. 

  20. 

  21. /**
    22. 

  22.  * Admin Controller class, extends Base Controller Class
    23. 

  23.  */
    24. 

  24. class WP_Table_Reloaded_Controller_Admin extends WP_Table_Reloaded_Controller_Base {
    25. 

  25. 

  26.     /**
    27. 

  27.      * Nonce for security of links/forms, to prevent "CSRF"
    28. 

  28.      * @var string
    29. 

  29.      */
    30. 

  30.     var $nonce_base = 'wp-table-reloaded-nonce';
    31. 

  31. 

  32.     /**
    33. 

  33.      * List of allowed actions that a user can perform with tables or the plugin
    34. 

  34.      * @var array
    35. 

  35.      */
    36. 

  36.     var $allowed_actions = array( 'list', 'add', 'edit', 'bulk_edit', 'copy', 'delete', 'import', 'export', 'options', 'uninstall', 'about', 'hide_donate_nag', 'hide_welcome_message' );
    37. 

  37.                             // 'ajax_list', 'ajax_preview' also exist, but are handled separately
    38. 

  38. 

  39.     /**
    40. 

  40.      * current action that is performed in this page load, populated in load_manage_page()
    41. 

  41.      * @var string
    42. 

  42.      */
    43. 

  43.     var $action = 'list';
    44. 

  44. 

  45.     /**
    46. 

  46.      * List of available translations of WP-Table Reloaded, init in __construct, because of the translations
    47. 

  47.      * @var array
    48. 

  48.      */
    49. 

  49.     var $available_plugin_languages = array();
    50. 

  50. 

  51.     /**
    52. 

  52.      * Default plugin options and their default values, fresh installs use those, updated installs update their options accordingly
    53. 

  53.      * @var array
    54. 

  54.      */
    55. 

  55.     var $default_options = array(
    56. 

  56.         'installed_version' => '0',
    57. 

  57.         'plugin_language' => 'auto',
    58. 

  58.         'uninstall_upon_deactivation' => false,
    59. 

  59.         'show_exit_warning' => true,
    60. 

  60.         'growing_textareas' => true,
    61. 

  61.         'use_datatables_on_table_list' => true,
    62. 

  62.         'add_target_blank_to_links' => false,
    63. 

  63.         'enable_tablesorter' => true,
    64. 

  64.         'tablesorter_script' => 'datatables', // others are 'datatables-tabletools', 'tablesorter', and 'tablesorter_extended'
    65. 

  65.         'use_default_css' => true,
    66. 

  66.         'use_custom_css' => true,
    67. 

  67.         'custom_css' => '',
    68. 

  68.         'enable_search' => true,
    69. 

  69.         'admin_menu_parent_page' => 'tools.php',
    70. 

  70.         'user_access_plugin' => 'author', // others are 'contributor', 'editor', and 'admin'
    71. 

  71.         'user_access_plugin_options' => 'author', // others are 'editor', and 'admin'
    72. 

  72.         'frontend_edit_table_link' => true,
    73. 

  73.         'install_time' => 0,
    74. 

  74.         'show_donate_nag' => true,
    75. 

  75.         'show_welcome_message' => 0, // 0 = no message, 1 = install message, 2 = update message
    76. 

  76.         'update_message' => array(),
    77. 

  77.         'last_id' => 0
    78. 

  78.     );
    79. 

  79.     
    80. 

  80.     /**
    81. 

  81.      * Default list of tables (empty, because there are no tables right after installation)
    82. 

  82.      * @var array
    83. 

  83.      */
    84. 

  84.     var $default_tables = array();
    85. 

  85. 

  86.     /**
    87. 

  87.      * Instance of the WP_Table_Reloaded_Helper class, which has additional functions for frontend and backend, stored in separate file for better overview and maintenance
    88. 

  88.      * @var object
    89. 

  89.      */
    90. 

  90.     var $helper;
    91. 

  91. 

  92.     /**
    93. 

  93.      * Instance of the WP_Table_Reloaded_Export class
    94. 

  94.      * @var object
    95. 

  95.      */
    96. 

  96.     var $export_instance;
    97. 

  97.     
    98. 

  98.     /**
    99. 

  99.      * Instance of the WP_Table_Reloaded_Import class
    100. 

  100.      * @var object
    101. 

  101.      */
    102. 

  102.     var $import_instance;
    103. 

  103. 

  104.     /**
    105. 

  105.      * Hook (i.e. name) WordPress uses for the WP-Table Reloaded page, needed for certain plugin actions and filters, populated in add_manage_page()
    106. 

  106.      * @var string
    107. 

  107.      */
    108. 

  108.     var $hook = '';
    109. 

  109. 

  110.     /**
    111. 

  111.      * Name of the file, WP-Table Reloaded is accessible under, dependant of whether admin has moved the WP-Table Reloaded menu entry
    112. 

  112.      * @var string
    113. 

  113.      */
    114. 

  114.     var $page_url = '';
    115. 

  115. 

  116.     /**
    117. 

  117.      * PHP4 class constructor, calls the PHP5 class constructor __construct()
    118. 

  118.      */
    119. 

  119.     function WP_Table_Reloaded_Controller_Admin() {
    120. 

  120.         $this->__construct();
    121. 

  121.     }
    122. 

  122. 

  123.     /**
    124. 

  124.      * PHP5 class constructor
    125. 

  125.      *
    126. 

  126.      * Initiate Backend functionality, by checking for AJAX calls, eventually answering those or setting up the admin page
    127. 

  127.      */
    128. 

  128.     function __construct() {
    129. 

  129.         register_activation_hook( WP_TABLE_RELOADED__FILE__, array( &$this, 'plugin_activation_hook' ) );
    130. 

  130.         register_deactivation_hook( WP_TABLE_RELOADED__FILE__, array( &$this, 'plugin_deactivation_hook' ) );
    131. 

  131. 

  132.         $this->helper = $this->create_class_instance( 'WP_Table_Reloaded_Helper', 'helper.class.php' );
    133. 

  133. 

  134.         // load plugin options and existing tables
    135. 

  135.         $this->init_plugin();
    136. 

  136. 

  137.         // WordPress 3.1 requires new update check
    138. 

  138.         if ( version_compare( $this->options['installed_version'], WP_TABLE_RELOADED_PLUGIN_VERSION, '<' ) )
    139. 

  139.             add_action( 'init', array( &$this, 'plugin_update' ) );
    140. 

  140. 

  141.         // init variables to check whether we do valid AJAX
    142. 

  142.         $doing_ajax = defined( 'DOING_AJAX' ) ? DOING_AJAX : false;
    143. 

  143.         $valid_ajax_call = ( isset( $_GET['page'] ) && $this->page_slug == $_GET['page'] ) ? true : false;
    144. 

  144. 

  145.         // have to check for possible "export all" request this early,
    146. 

  146.         // because otherwise http-headers will be sent by WP before we can send download headers
    147. 

  147.         if ( !$doing_ajax && $valid_ajax_call && isset( $_POST['export_all'] ) ) {
    148. 

  148.             // can be done in plugins_loaded, as no language support is needed
    149. 

  149.             add_action( 'plugins_loaded', array( &$this, 'do_action_export_all' ) );
    150. 

  150.             $doing_ajax = true;
    151. 

  151.         }
    152. 

  152.         // have to check for possible export file download request this early,
    153. 

  153.         // because otherwise http-headers will be sent by WP before we can send download headers
    154. 

  154.         if ( !$doing_ajax && $valid_ajax_call && isset( $_POST['download_export_file'] ) && 'true' == $_POST['download_export_file'] ) {
    155. 

  155.             // can be done in plugins_loaded, as no language support is needed
    156. 

  156.             add_action( 'plugins_loaded', array( &$this, 'do_action_export' ) );
    157. 

  157.             $doing_ajax = true;
    158. 

  158.         }
    159. 

  159.         // have to check for possible call by editor button to show list of tables
    160. 

  160.         // and possible call to show a table preview in a thickbox on "List Tables" screen
    161. 

  161.         if ( !$doing_ajax && $valid_ajax_call && isset( $_GET['action'] ) && ( 'ajax_list' == $_GET['action'] || 'ajax_preview' == $_GET['action'] ) ) {
    162. 

  162.             // can not be done earlier, because we need language support
    163. 

  163.             add_action( 'init', array( &$this, 'do_action_' . $_GET['action'] ) );
    164. 

  164.             $doing_ajax = true;
    165. 

  165.         }
    166. 

  166. 

  167.         // we are not doing AJAX, so we call the main plugin handler
    168. 

  168.         if ( !$doing_ajax ) {
    169. 

  169.             add_action( 'admin_menu', array( &$this, 'add_manage_page' ) );
    170. 

  170. 

  171.             // add JS to add button to editor on admin pages that might have an editor
    172. 

  172.             $pages_with_editor_button = array( 'post.php', 'post-new.php', 'page.php', 'page-new.php' );
    173. 

  173.             foreach ( $pages_with_editor_button as $page )
    174. 

  174.                 add_action( 'load-' . $page, array( &$this, 'add_editor_button' ) );
    175. 

  175.         }
    176. 

  176. 

  177.         // add message to list of plugins, if an update is available / add additional links on Plugins page, for both regular visits and AJAX calls
    178. 

  178.         add_action( 'in_plugin_update_message-' . WP_TABLE_RELOADED_BASENAME, array( &$this, 'add_plugin_update_message' ), 10, 2 );
    179. 

  179.         add_filter( 'plugin_row_meta', array( &$this, 'add_plugin_row_meta' ), 10, 2);
    180. 

  180.     }
    181. 

  181. 

  182.     /**
    183. 

  183.      * Add admin page to the correct place in the admin menu, and set handler for when page is loaded or shown
    184. 

  184.      */
    185. 

  185.     function add_manage_page() {
    186. 

  186.         // user needs at least this capability to view WP-Table Reloaded config page
    187. 

  187.         // capabilities from http://codex.wordpress.org/Roles_and_Capabilities
    188. 

  188.         $user_group = $this->options['user_access_plugin'];
    189. 

  189.         $capabilities = array(
    190. 

  190.             'admin' => 'manage_options',
    191. 

  191.             'editor' => 'publish_pages',
    192. 

  192.             'author' => 'publish_posts',
    193. 

  193.             'contributor' => 'edit_posts'
    194. 

  194.         );
    195. 

  195.         $min_capability = isset( $capabilities[ $user_group ] ) ? $capabilities[ $user_group ] : 'manage_options';
    196. 

  196.         $min_capability = apply_filters( 'wp_table_reloaded_min_needed_capability', $min_capability ); // plugins may filter/change this though
    197. 

  197.         
    198. 

  198.         $display_name = 'WP-Table Reloaded'; // the name that is displayed in the admin menu on the left
    199. 

  199.         $display_name = apply_filters( 'wp_table_reloaded_plugin_display_name', $display_name ); // can be filtered to something shorter maybe
    200. 

  200. 

  201.         $admin_menu_page = apply_filters( 'wp_table_reloaded_admin_menu_parent_page', $this->options['admin_menu_parent_page'] );
    202. 

  202.         // backward-compatibility for the filter
    203. 

  203.         if ( 'top-level' == $admin_menu_page )
    204. 

  204.             $admin_menu_page = 'admin.php';
    205. 

  205.         // 'edit-pages.php' was renamed to 'edit.php?post_type=page' in WP 3.0
    206. 

  206.         if ( 'edit-pages.php' == $admin_menu_page )
    207. 

  207.             $admin_menu_page = 'edit.php?post_type=page';
    208. 

  208.         if ( !in_array( $admin_menu_page, $this->possible_admin_menu_parent_pages ) )
    209. 

  209.             $admin_menu_page = 'tools.php';
    210. 

  210. 

  211.         // Top-Level menu is created in different function, all others are created with the filename as a parameter
    212. 

  212.         if ( 'admin.php' == $admin_menu_page )
    213. 

  213.             $this->hook = add_menu_page( 'WP-Table Reloaded', $display_name, $min_capability, $this->page_slug, array( &$this, 'show_manage_page' ), plugins_url( 'admin/plugin-icon-small.png', WP_TABLE_RELOADED__FILE__ ) );
    214. 

  214.         else
    215. 

  215.             $this->hook = add_submenu_page( $admin_menu_page, 'WP-Table Reloaded', $display_name, $min_capability, $this->page_slug, array( &$this, 'show_manage_page' ) );
    216. 

  216.         $this->page_url = $admin_menu_page;
    217. 

  217. 

  218.         add_action( 'load-' . $this->hook, array( &$this, 'load_manage_page' ) );
    219. 

  219.     }
    220. 

  220. 

  221.     /**
    222. 

  222.      * Function is loaded by WordPress, if WP-Table Reloaded's admin menu entry is called,
    223. 

  223.      * Load the scripts, stylesheets and language, all of this will be done before the page is shown by show_manage_page()
    224. 

  224.      */
    225. 

  225.     function load_manage_page() {
    226. 

  226.         // show admin footer message (only on pages of WP-Table Reloaded)
    227. 

  227. 		add_filter( 'admin_footer_text', array( &$this->helper, 'add_admin_footer_text' ) );
    228. 

  228. 

  229.         $this->init_language_support();
    230. 

  230. 

  231.         // get and check action parameter from passed variables
    232. 

  232.         $default_action = 'list';
    233. 

  233.         $default_action = apply_filters( 'wp_table_reloaded_default_action', $default_action );
    234. 

  234.         $this->allowed_actions = apply_filters( 'wp_table_reloaded_allowed_actions', $this->allowed_actions );
    235. 

  235.         $action = ( !empty( $_REQUEST['action'] ) ) ? $_REQUEST['action'] : $default_action;
    236. 

  236.         // check if action is in allowed actions and if method is callable, if yes, call it
    237. 

  237.         if ( in_array( $action, $this->allowed_actions ) )
    238. 

  238.             $this->action = $action;
    239. 

  239. 

  240.         add_thickbox();
    241. 

  241.         // load js and css for admin, needs to stand below thickbox script
    242. 

  242.         $this->add_manage_page_js(); // will add script to footer
    243. 

  243.         $this->add_manage_page_css(); // needs to be added to the header
    244. 

  244. 

  245.         // done after determining the action, because needs action parameter to load correct help string
    246. 

  246.         add_contextual_help( $this->hook, $this->helper->get_contextual_help_string() );
    247. 

  247.     }
    248. 

  248. 

  249.     /**
    250. 

  250.      * Function is loaded by WordPress, if WP-Table Reloaded's admin menu entry is called,
    251. 

  251.      * responsible for calling the appropriate action handler, output of WP admin menu and header is already done here
    252. 

  252.      */
    253. 

  253.     function show_manage_page() {
    254. 

  254.         $this->available_plugin_languages = array(
    255. 

  255.             'ar'    => __( 'Arabic', WP_TABLE_RELOADED_TEXTDOMAIN ),
    256. 

  256.             'be_BY' => __( 'Belarusian', WP_TABLE_RELOADED_TEXTDOMAIN ),
    257. 

  257. 			'bg_BG' => __( 'Bulgarian', WP_TABLE_RELOADED_TEXTDOMAIN ),
    258. 

  258.             'cs_CZ' => __( 'Czech', WP_TABLE_RELOADED_TEXTDOMAIN ),
    259. 

  259.             'de_DE' => __( 'German', WP_TABLE_RELOADED_TEXTDOMAIN ),
    260. 

  260.             'en_US' => __( 'English', WP_TABLE_RELOADED_TEXTDOMAIN ),
    261. 

  261.             'es_ES' => __( 'Spanish', WP_TABLE_RELOADED_TEXTDOMAIN ),
    262. 

  262.             'fi'    => __( 'Finnish', WP_TABLE_RELOADED_TEXTDOMAIN ),
    263. 

  263.             'fr_FR' => __( 'French', WP_TABLE_RELOADED_TEXTDOMAIN ),
    264. 

  264.             'he_IL' => __( 'Hebrew', WP_TABLE_RELOADED_TEXTDOMAIN ),
    265. 

  265.             'hi_IN' => __( 'Hindi', WP_TABLE_RELOADED_TEXTDOMAIN ),
    266. 

  266.             'id_ID' => __( 'Indonesian', WP_TABLE_RELOADED_TEXTDOMAIN ),
    267. 

  267.             'it_IT' => __( 'Italian', WP_TABLE_RELOADED_TEXTDOMAIN ),
    268. 

  268.             'ja'    => __( 'Japanese', WP_TABLE_RELOADED_TEXTDOMAIN ),
    269. 

  269.             'nl_NL' => __( 'Dutch', WP_TABLE_RELOADED_TEXTDOMAIN ),
    270. 

  270.             'pl_PL' => __( 'Polish', WP_TABLE_RELOADED_TEXTDOMAIN ),
    271. 

  271.             'pt_BR' => __( 'Brazilian Portuguese', WP_TABLE_RELOADED_TEXTDOMAIN ),
    272. 

  272.             'pt_PT' => __( 'Portuguese (Portugal)', WP_TABLE_RELOADED_TEXTDOMAIN ),
    273. 

  273.             'ru_RU' => __( 'Russian', WP_TABLE_RELOADED_TEXTDOMAIN ),
    274. 

  274.             'sk_SK' => __( 'Slovak', WP_TABLE_RELOADED_TEXTDOMAIN ),
    275. 

  275.             'sv_SE' => __( 'Swedish', WP_TABLE_RELOADED_TEXTDOMAIN ),
    276. 

  276.             'ua_UA' => __( 'Ukrainian', WP_TABLE_RELOADED_TEXTDOMAIN ),
    277. 

  277.             'zh_CN' => __( 'Chinese (Simplified)', WP_TABLE_RELOADED_TEXTDOMAIN ),
    278. 

  278.             // the following are inactive because they are not up-to-date
    279. 

  279.             // 'ga_IR' => __( 'Irish', WP_TABLE_RELOADED_TEXTDOMAIN ),
    280. 

  280.             // 'sq_AL' => __( 'Albanian', WP_TABLE_RELOADED_TEXTDOMAIN ),
    281. 

  281.             // 'tr_TR' => __( 'Turkish', WP_TABLE_RELOADED_TEXTDOMAIN ),
    282. 

  282.         );
    283. 

  283.         asort( $this->available_plugin_languages );
    284. 

  284. 

  285.         // do WP plugin action (before action is fired) -> can stop further plugin execution by returning true
    286. 

  286.         $overwrite = apply_filters( 'wp_table_reloaded_action_pre_' . $this->action, false );
    287. 

  287.         if ( $overwrite )
    288. 

  288.             return;
    289. 

  289.     
    290. 

  290.         // call appropriate action, $this->action is populated in load_manage_page
    291. 

  291.         if ( is_callable( array( &$this, 'do_action_' . $this->action ) ) )
    292. 

  292.             call_user_func( array( &$this, 'do_action_' . $this->action ) );
    293. 

  293.     }
    294. 

  294.     
    295. 

  295.     // ###################################################################################################################
    296. 

  296.     // ##########################################                   ######################################################
    297. 

  297.     // ##########################################      ACTIONS      ######################################################
    298. 

  298.     // ##########################################                   ######################################################
    299. 

  299.     // ###################################################################################################################
    300. 

  300. 

  301.     /**
    302. 

  302.      * "List Tables" action handler
    303. 

  303.      */
    304. 

  304.     function do_action_list() {
    305. 

  305.         $messages = array(
    306. 

  306.             0 => false,
    307. 

  307.             1 => sprintf( __( 'Welcome to WP-Table Reloaded %s. If you encounter any questions or problems, please refer to the <a href="%s">FAQ</a>, the <a href="%s">documentation</a>, and the <a href="%s">support</a> section.', WP_TABLE_RELOADED_TEXTDOMAIN ), $this->options['installed_version'], 'http://tobias.baethge.com/go/wp-table-reloaded/faq/', 'http://tobias.baethge.com/go/wp-table-reloaded/documentation/', 'http://tobias.baethge.com/go/wp-table-reloaded/support/' ),
    308. 

  308.             2 => sprintf( __( 'Thank you for upgrading to WP-Table Reloaded %s.', WP_TABLE_RELOADED_TEXTDOMAIN ), $this->options['installed_version'] ) . ' ' . __( 'This version includes several bugfixes and a few enhancements.', WP_TABLE_RELOADED_TEXTDOMAIN ) . ' ' . sprintf( __( 'Please read the <a href="%s">release announcement</a> for more information.', WP_TABLE_RELOADED_TEXTDOMAIN ), "http://tobias.baethge.com/go/wp-table-reloaded/release-announcement/{$this->options['installed_version']}/" ) . '<br/>' . sprintf( __( 'If you like the new features and enhancements, I would appreciate a small <a href="%s">donation</a>. Thank you.', WP_TABLE_RELOADED_TEXTDOMAIN ), 'http://tobias.baethge.com/go/wp-table-reloaded/donate/' )
    309. 

  309.         );
    310. 

  310.         $message = ( isset( $messages[ $this->options['show_welcome_message'] ] ) ) ? $messages[ $this->options['show_welcome_message'] ] : false;
    311. 

  311.         if ( $message ) {
    312. 

  312.             $hide_welcome_message_url = $this->get_action_url( array( 'action' => 'hide_welcome_message' ), true );
    313. 

  313.             $this->helper->print_header_message( $message . '<br/><br/>' . sprintf( '<a href="%s" style="font-weight:normal;">%s</a>', $hide_welcome_message_url, __( 'Hide this message', WP_TABLE_RELOADED_TEXTDOMAIN ) ) );
    314. 

  314.         }
    315. 

  315. 

  316.         if ( $this->may_print_donate_nag() ) {
    317. 

  317.             $donate_url = 'http://tobias.baethge.com/go/wp-table-reloaded/donate/message/';
    318. 

  318.             $donated_true_url = $this->get_action_url( array( 'action' => 'hide_donate_nag', 'user_donated' => true ), true );
    319. 

  319.             $donated_false_url = $this->get_action_url( array( 'action' => 'hide_donate_nag', 'user_donated' => false ), true );
    320. 

  320.             $this->helper->print_header_message(
    321. 

  321.                 __( 'Thanks for using this plugin! You\'ve installed WP-Table Reloaded over a month ago.', WP_TABLE_RELOADED_TEXTDOMAIN ) . ' ' . sprintf( _n( 'If it works and you are satisfied with the results of managing your %s table, isn\'t it worth at least one dollar or euro?', 'If it works and you are satisfied with the results of managing your %s tables, isn\'t it worth at least one dollar or euro?', count( $this->tables ), WP_TABLE_RELOADED_TEXTDOMAIN ), count( $this->tables ) ) . '<br/><br/>' .
    322. 

  322.                 sprintf( __( '<a href="%s">Donations</a> help me to continue support and development of this <i>free</i> software - things for which I spend countless hours of my free time! Thank you!', WP_TABLE_RELOADED_TEXTDOMAIN ), $donate_url ) . '<br/><br/>' .
    323. 

  323.                 sprintf( '<a href="%s" target="_blank">%s</a>', $donate_url, __( 'Sure, no problem!', WP_TABLE_RELOADED_TEXTDOMAIN ) ) . '&nbsp;&nbsp;&middot;&nbsp;&nbsp;' .
    324. 

  324.                 sprintf( '<a href="%s" style="font-weight:normal;">%s</a>', $donated_true_url, __( 'I already donated.', WP_TABLE_RELOADED_TEXTDOMAIN ) ) . '&nbsp;&nbsp;&middot;&nbsp;&nbsp;' .
    325. 

  325.                 sprintf( '<a href="%s" style="font-weight:normal;">%s</a>', $donated_false_url, __( 'No, thanks. Don\'t ask again.', WP_TABLE_RELOADED_TEXTDOMAIN ) )
    326. 

  326.             );
    327. 

  327.         }
    328. 

  328. 

  329.         $this->load_view( 'list' );
    330. 

  330.     }
    331. 

  331.     
    332. 

  332.     /**
    333. 

  333.      * "Add new Table" action handler
    334. 

  334.      */
    335. 

  335.     function do_action_add() {
    336. 

  336.         if ( isset( $_POST['submit'] ) && isset( $_POST['table'] ) ) {
    337. 

  337.             check_admin_referer( $this->get_nonce( 'add' ) );
    338. 

  338. 

  339.             $rows = ( 0 < $_POST['table']['rows'] ) ? $_POST['table']['rows'] : 1;
    340. 

  340.             $cols = ( 0 < $_POST['table']['cols'] ) ? $_POST['table']['cols'] : 1;
    341. 

  341. 

  342.             $table = $this->default_table;
    343. 

  343. 

  344.             $table['id'] = $this->get_new_table_id();
    345. 

  345.             $table['data'] = $this->helper->create_empty_table( $rows, $cols );
    346. 

  346.             $table['visibility']['rows'] = array_fill( 0, $rows, false );
    347. 

  347.             $table['visibility']['columns'] = array_fill( 0, $cols, false );
    348. 

  348.             $table['name'] = $_POST['table']['name'];
    349. 

  349.             $table['description'] = $_POST['table']['description'];
    350. 

  350. 

  351.             $this->save_table( $table );
    352. 

  352. 

  353.             $this->helper->print_header_message( sprintf( __( 'Table &quot;%s&quot; added successfully.', WP_TABLE_RELOADED_TEXTDOMAIN ), $this->helper->safe_output( $table['name'] ) ) );
    354. 

  354.             $table_id = $table['id'];
    355. 

  355.             $this->load_view( 'edit', compact( 'table_id' ) );
    356. 

  356.         } else {
    357. 

  357.             $this->load_view( 'add' );
    358. 

  358.         }
    359. 

  359.     }
    360. 

  360. 

  361.     /**
    362. 

  362.      * "Edit Table" action handler
    363. 

  363.      */
    364. 

  364.     function do_action_edit() {
    365. 

  365.         if ( isset( $_POST['submit'] ) && isset( $_POST['table'] ) ) {
    366. 

  366.             check_admin_referer( $this->get_nonce( 'edit' ) );
    367. 

  367.             
    368. 

  368.             $subactions = array_keys( $_POST['submit'] );
    369. 

  369.             $subaction = $subactions[0];
    370. 

  370.             
    371. 

  371.             switch( $subaction ) {
    372. 

  372.             case 'update':
    373. 

  373.             case 'save_back':
    374. 

  374.                 $table = $_POST['table'];   // careful here to not miss any stuff!!! (options, etc.)
    375. 

  375.                 // do we want to change the ID?
    376. 

  376.                 $new_table_id = ( isset( $_POST['table_id'] ) ) ? $_POST['table_id'] : $table['id'] ;
    377. 

  377.                 if ( $new_table_id != $table['id'] && is_numeric( $new_table_id ) && ( 0 < $new_table_id ) ) {
    378. 

  378.                     if ( !$this->table_exists( $new_table_id ) ) {
    379. 

  379.                         // delete table with old ID
    380. 

  380.                         $old_table_id = $table['id'];
    381. 

  381.                         $this->delete_table( $old_table_id );
    382. 

  382.                         // set new table ID
    383. 

  383.                         $table['id'] = $new_table_id;
    384. 

  384.                         $message = sprintf( __( "Table edited successfully. This Table now has the ID %s. You'll need to adjust existing shortcodes accordingly.", WP_TABLE_RELOADED_TEXTDOMAIN ), $new_table_id );
    385. 

  385.                     } else {
    386. 

  386.                         $message = sprintf( __( 'The ID could not be changed from %s to %s, because there already is a Table with that ID.', WP_TABLE_RELOADED_TEXTDOMAIN ), $table['id'], $new_table_id );
    387. 

  387.                     }
    388. 

  388.                 } else {
    389. 

  389.                     $message = __( 'Table edited successfully.', WP_TABLE_RELOADED_TEXTDOMAIN );
    390. 

  390.                 }
    391. 

  391.                 // save table options (checkboxes!), only checked checkboxes are submitted (then as true)
    392. 

  392.                 $table['options']['alternating_row_colors'] = isset( $_POST['table']['options']['alternating_row_colors'] );
    393. 

  393.                 $table['options']['row_hover'] = isset( $_POST['table']['options']['row_hover'] );
    394. 

  394.                 $table['options']['first_row_th'] = isset( $_POST['table']['options']['first_row_th'] );
    395. 

  395.                 $table['options']['table_footer'] = isset( $_POST['table']['options']['table_footer'] );
    396. 

  396.                 $table['options']['print_name'] = isset( $_POST['table']['options']['print_name'] );
    397. 

  397.                 $table['options']['print_description'] = isset( $_POST['table']['options']['print_description'] );
    398. 

  398.                 $table['options']['cache_table_output'] = isset( $_POST['table']['options']['cache_table_output'] );
    399. 

  399.                 $table['options']['custom_css_class'] = trim( $table['options']['custom_css_class'] ); // more complex sanitize_* functions would change spaces to hyphens...
    400. 

  400.                 $table['options']['use_tablesorter'] = isset( $_POST['table']['options']['use_tablesorter'] );
    401. 

  401.                 $table['options']['datatables_sort'] = isset( $_POST['table']['options']['datatables_sort'] );
    402. 

  402.                 $table['options']['datatables_paginate'] = isset( $_POST['table']['options']['datatables_paginate'] );
    403. 

  403.                 $table['options']['datatables_lengthchange'] = isset( $_POST['table']['options']['datatables_lengthchange'] );
    404. 

  404.                 $table['options']['datatables_filter'] = isset( $_POST['table']['options']['datatables_filter'] );
    405. 

  405.                 $table['options']['datatables_info'] = isset( $_POST['table']['options']['datatables_info'] );
    406. 

  406.                 $table['options']['datatables_tabletools'] = isset( $_POST['table']['options']['datatables_tabletools'] );
    407. 

  407.                 $table['options']['datatables_paginate_entries'] = ( is_numeric( $table['options']['datatables_paginate_entries'] ) ) ? absint( $table['options']['datatables_paginate_entries'] ) : $this->default_table['options']['datatables_paginate_entries'];
    408. 

  408.                 // $table['options']['datatables_customcommands'] is an input type=text field that is always submitted
    409. 

  409.                 // $table['options']['print_name|description_position'] are select fields that are always submitted
    410. 

  410. 

  411.                 // save visibility settings (checkboxes!)
    412. 

  412.                 foreach ( $table['data'] as $row_idx => $row )
    413. 

  413.                     $table['visibility']['rows'][$row_idx] = ( isset( $_POST['table']['visibility']['rows'][$row_idx] ) && ( 'true' == $_POST['table']['visibility']['rows'][$row_idx] ) );
    414. 

  414.                 foreach ( $table['data'][0] as $col_idx => $col )
    415. 

  415.                     $table['visibility']['columns'][$col_idx] = ( isset( $_POST['table']['visibility']['columns'][$col_idx] ) && ( 'true' == $_POST['table']['visibility']['columns'][$col_idx] ) );
    416. 

  416. 

  417.                 if ( !empty( $table['custom_fields'] ) )
    418. 

  418.                     uksort( $table['custom_fields'], 'strnatcasecmp' ); // sort the keys naturally
    419. 

  419. 

  420.                 $this->save_table( $table );
    421. 

  421.                 break;
    422. 

  422.             case 'swap_rows':
    423. 

  423.                 $table_id = $_POST['table']['id'];
    424. 

  424.                 $row_id1 = ( isset( $_POST['swap']['row'][1] ) ) ? $_POST['swap']['row'][1] : -1;
    425. 

  425.                 $row_id2 = ( isset( $_POST['swap']['row'][2] ) ) ? $_POST['swap']['row'][2] : -1;
    426. 

  426.                 $table = $this->load_table( $table_id );
    427. 

  427.                 $rows = count( $table['data'] );
    428. 

  428.                 // swap rows $row_id1 and $row_id2
    429. 

  429.                 if ( ( 1 < $rows ) && ( -1 < $row_id1 ) && ( -1 < $row_id2 ) && ( $row_id1 != $row_id2 ) ) {
    430. 

  430.                     $temp_row = $table['data'][$row_id1];
    431. 

  431.                     $table['data'][$row_id1] = $table['data'][$row_id2];
    432. 

  432.                     $table['data'][$row_id2] = $temp_row;
    433. 

  433.                     $temp_visibility = $table['visibility']['rows'][$row_id1];
    434. 

  434.                     $table['visibility']['rows'][$row_id1] = $table['visibility']['rows'][$row_id2];
    435. 

  435.                     $table['visibility']['rows'][$row_id2] = $temp_visibility;
    436. 

  436.                 }
    437. 

  437.                 $this->save_table( $table );
    438. 

  438.                 $message = __( 'Rows swapped successfully.', WP_TABLE_RELOADED_TEXTDOMAIN );
    439. 

  439.                 break;
    440. 

  440.             case 'swap_cols':
    441. 

  441.                 $table_id = $_POST['table']['id'];
    442. 

  442.                 $col_id1 = ( isset( $_POST['swap']['col'][1] ) ) ? $_POST['swap']['col'][1] : -1;
    443. 

  443.                 $col_id2 = ( isset( $_POST['swap']['col'][2] ) ) ? $_POST['swap']['col'][2] : -1;
    444. 

  444.                 $table = $this->load_table( $table_id );
    445. 

  445.                 $rows = count( $table['data'] );
    446. 

  446.                 $cols = (0 < $rows) ? count( $table['data'][0] ) : 0;
    447. 

  447.                 // swap rows $col_id1 and $col_id2
    448. 

  448.                 if ( ( 1 < $cols ) && ( -1 < $col_id1 ) && ( -1 < $col_id2 ) && ( $col_id1 != $col_id2 ) ) {
    449. 

  449.                     foreach ( $table['data'] as $row_idx => $row ) {
    450. 

  450.                         $temp_col = $table['data'][$row_idx][$col_id1];
    451. 

  451.                         $table['data'][$row_idx][$col_id1] = $table['data'][$row_idx][$col_id2];
    452. 

  452.                         $table['data'][$row_idx][$col_id2] = $temp_col;
    453. 

  453.                     }
    454. 

  454.                     $temp_visibility = $table['visibility']['columns'][$col_id1];
    455. 

  455.                     $table['visibility']['columns'][$col_id1] = $table['visibility']['columns'][$col_id2];
    456. 

  456.                     $table['visibility']['columns'][$col_id2] = $temp_visibility;
    457. 

  457.                 }
    458. 

  458.                 $this->save_table( $table );
    459. 

  459.                 $message = __( 'Columns swapped successfully.', WP_TABLE_RELOADED_TEXTDOMAIN );
    460. 

  460.                 break;
    461. 

  461.             case 'sort':
    462. 

  462.                 $table_id = $_POST['table']['id'];
    463. 

  463.                 $column = ( isset( $_POST['sort']['col'] ) ) ? $_POST['sort']['col'] : -1;
    464. 

  464.                 $sort_order = ( isset( $_POST['sort']['order'] ) ) ? $_POST['sort']['order'] : 'ASC';
    465. 

  465.                 $table = $this->load_table( $table_id );
    466. 

  466.                 $rows = count( $table['data'] );
    467. 

  467.                 $cols = (0 < $rows) ? count( $table['data'][0] ) : 0;
    468. 

  468.                 // sort array for $column in $sort_order
    469. 

  469.                 if ( ( 1 < $rows ) && ( -1 < $column ) ) {
    470. 

  470.                     // for sorting: temporarily store row visibility in data, so that it gets sorted, too
    471. 

  471.                     foreach ( $table['data'] as $row_idx => $row )
    472. 

  472.                         array_splice( $table['data'][$row_idx], $cols, 0, $table['visibility']['rows'][$row_idx] );
    473. 

  473. 

  474.                     $array_to_sort = $table['data'];
    475. 

  475.                     if ( isset( $table['options']['first_row_th'] ) && $table['options']['first_row_th'] )
    476. 

  476.                         $first_row = array_shift( $array_to_sort );
    477. 

  477.                     if ( isset( $table['options']['table_footer'] ) && $table['options']['table_footer'] )
    478. 

  478.                         $last_row = array_pop( $array_to_sort );
    479. 

  479. 

  480.                     $sortarray = $this->create_class_instance( 'arraysort', 'arraysort.class.php' );
    481. 

  481.                     $sortarray->input_array = $array_to_sort;
    482. 

  482.                     $sortarray->column = $column;
    483. 

  483.                     $sortarray->order = $sort_order;
    484. 

  484.                     $sortarray->sort();
    485. 

  485.                     $sorted_array = $sortarray->sorted_array;
    486. 

  486. 

  487.                     if ( isset( $table['options']['first_row_th'] ) && $table['options']['first_row_th'] )
    488. 

  488.                         array_unshift( $sorted_array, $first_row );
    489. 

  489.                     if ( isset( $table['options']['table_footer'] ) && $table['options']['table_footer'] )
    490. 

  490.                         array_push( $sorted_array, $last_row );
    491. 

  491.                     $table['data'] = $sorted_array;
    492. 

  492. 

  493.                     // then restore row visibility from sorted data and remove temporary column
    494. 

  494.                     foreach ( $table['data'] as $row_idx => $row ) {
    495. 

  495.                         $table['visibility']['rows'][$row_idx] = $table['data'][$row_idx][$cols];
    496. 

  496.                         array_splice( $table['data'][$row_idx], $cols, 1 );
    497. 

  497.                     }
    498. 

  498.                 }
    499. 

  499.                 $this->save_table( $table );
    500. 

  500.                 $message = __( 'Table sorted successfully.', WP_TABLE_RELOADED_TEXTDOMAIN );
    501. 

  501.                 break;
    502. 

  502.             case 'move_row':
    503. 

  503.                 $table_id = $_POST['table']['id'];
    504. 

  504.                 $row_id1 = ( isset( $_POST['move']['row'][1] ) ) ? $_POST['move']['row'][1] : -1;
    505. 

  505.                 $row_id2 = ( isset( $_POST['move']['row'][2] ) ) ? $_POST['move']['row'][2] : -1;
    506. 

  506.                 $move_where = ( isset( $_POST['move']['row']['where'] ) ) ? $_POST['move']['row']['where'] : 'before';
    507. 

  507.                 if ( 'after' == $move_where )
    508. 

  508.                     $row_id2 = $row_id2 + 1; // move after is the same as move before the next row
    509. 

  509.                 $table = $this->load_table( $table_id );
    510. 

  510.                 $rows = count( $table['data'] );
    511. 

  511.                 // move row $row_id1 before/after $row_id2
    512. 

  512.                 if ( ( 1 < $rows ) && ( -1 < $row_id1 ) && ( -1 < $row_id2 ) && ( $row_id1 != $row_id2 ) ) {
    513. 

  513.                     if ( $row_id2 > $row_id1 )
    514. 

  514.                         $row_id2 = $row_id2 - 1; // if target higher than source, source element is removed, so target index smaller by one
    515. 

  515.                     $temp_row = array( $table['data'][$row_id1] );
    516. 

  516.                     unset( $table['data'][$row_id1] );
    517. 

  517.                     array_splice( $table['data'], $row_id2, 0, $temp_row );
    518. 

  518.                     $temp_visibility = $table['visibility']['rows'][$row_id1];
    519. 

  519.                     unset( $table['visibility']['rows'][$row_id1] );
    520. 

  520.                     array_splice( $table['visibility']['rows'], $row_id2, 0, $temp_visibility );
    521. 

  521.                 }
    522. 

  522.                 $this->save_table( $table );
    523. 

  523.                 $message = __( 'Row moved successfully.', WP_TABLE_RELOADED_TEXTDOMAIN );
    524. 

  524.                 break;
    525. 

  525.             case 'move_col':
    526. 

  526.                 $table_id = $_POST['table']['id'];
    527. 

  527.                 $col_id1 = ( isset( $_POST['move']['col'][1] ) ) ? $_POST['move']['col'][1] : -1;
    528. 

  528.                 $col_id2 = ( isset( $_POST['move']['col'][2] ) ) ? $_POST['move']['col'][2] : -1;
    529. 

  529.                 $move_where = ( isset( $_POST['move']['col']['where'] ) ) ? $_POST['move']['col']['where'] : 'before';
    530. 

  530.                 if ( 'after' == $move_where )
    531. 

  531.                     $col_id2 = $col_id2 + 1; // move after is the same as move before the next row
    532. 

  532.                 $table = $this->load_table( $table_id );
    533. 

  533.                 $rows = count( $table['data'] );
    534. 

  534.                 $cols = (0 < $rows) ? count( $table['data'][0] ) : 0;
    535. 

  535.                 // move col $col_id1 before/after $col_id2
    536. 

  536.                 if ( ( 1 < $cols ) && ( -1 < $col_id1 ) && ( -1 < $col_id2 ) && ( $col_id1 != $col_id2 ) ) {
    537. 

  537.                     if ( $col_id2 > $col_id1 )
    538. 

  538.                         $col_id2 = $col_id2 - 1; // if target higher than source, source element is removed, so target index smaller by one
    539. 

  539.                     foreach ( $table['data'] as $row_idx => $row ) {
    540. 

  540.                         $temp_col = $table['data'][$row_idx][$col_id1];
    541. 

  541.                         unset( $table['data'][$row_idx][$col_id1] );
    542. 

  542.                         array_splice( $table['data'][$row_idx], $col_id2, 0, $temp_col );
    543. 

  543. 

  544.                     }
    545. 

  545.                     $temp_visibility = $table['visibility']['columns'][$col_id1];
    546. 

  546.                     unset( $table['visibility']['columns'][$col_id1] );
    547. 

  547.                     array_splice( $table['visibility']['columns'], $col_id2, 0, $temp_visibility );
    548. 

  548.                 }
    549. 

  549.                 $this->save_table( $table );
    550. 

  550.                 $message = __( 'Column moved successfully.', WP_TABLE_RELOADED_TEXTDOMAIN );
    551. 

  551.                 break;
    552. 

  552.             case 'delete_rows':
    553. 

  553.                 $table_id = $_POST['table']['id'];
    554. 

  554.                 $delete_rows = ( isset( $_POST['table_select']['rows'] ) ) ? $_POST['table_select']['rows'] : array();
    555. 

  555.                 $table = $this->load_table( $table_id );
    556. 

  556.                 $rows = count( $table['data'] );
    557. 

  557.                 $cols = (0 < $rows) ? count( $table['data'][0] ) : 0;
    558. 

  558.                 $message = _n( 'Row could not be deleted.', 'Rows could not be deleted.', count( $delete_rows ), WP_TABLE_RELOADED_TEXTDOMAIN ); // only used if deletion fails below
    559. 

  559.                 if ( ( 1 < $rows ) && ( 0 < count( $delete_rows ) ) && ( count( $delete_rows ) < $rows ) ) {
    560. 

  560.                     // remove rows and re-index
    561. 

  561.                     foreach ( $delete_rows as $row_idx => $value) {
    562. 

  562.                         unset( $table['data'][$row_idx] );
    563. 

  563.                         unset( $table['visibility']['rows'][$row_idx] );
    564. 

  564.                     }
    565. 

  565.                     $table['data'] = array_merge( $table['data'] );
    566. 

  566.                     $table['visibility']['rows'] = array_merge( $table['visibility']['rows'] );
    567. 

  567.                     $message = _n( 'Row deleted successfully.', 'Rows deleted successfully.', count( $delete_rows ), WP_TABLE_RELOADED_TEXTDOMAIN );
    568. 

  568.                 }
    569. 

  569.                 $this->save_table( $table );
    570. 

  570.                 break;
    571. 

  571.             case 'delete_cols':
    572. 

  572.                 $table_id = $_POST['table']['id'];
    573. 

  573.                 $delete_columns = ( isset( $_POST['table_select']['columns'] ) ) ? $_POST['table_select']['columns'] : array();
    574. 

  574.                 $table = $this->load_table( $table_id );
    575. 

  575.                 $rows = count( $table['data'] );
    576. 

  576.                 $cols = (0 < $rows) ? count( $table['data'][0] ) : 0;
    577. 

  577.                 $message = _n( 'Column could not be deleted.', 'Columns could not be deleted.', count( $delete_columns ), WP_TABLE_RELOADED_TEXTDOMAIN ); // only used if deletion fails below
    578. 

  578.                 if ( ( 1 < $cols ) && ( 0 < count( $delete_columns ) ) && ( count( $delete_columns ) < $cols ) ) {
    579. 

  579.                     foreach ( $table['data'] as $row_idx => $row ) {
    580. 

  580.                         // remove columns and re-index
    581. 

  581.                         foreach ( $delete_columns as $col_idx => $value) {
    582. 

  582.                             unset( $table['data'][$row_idx][$col_idx] );
    583. 

  583.                         }
    584. 

  584.                         $table['data'][$row_idx] = array_merge( $table['data'][$row_idx] );
    585. 

  585.                     }
    586. 

  586.                     foreach ( $delete_columns as $col_idx => $value) {
    587. 

  587.                         unset( $table['visibility']['columns'][$col_idx] );
    588. 

  588.                     }
    589. 

  589.                     $table['visibility']['columns'] = array_merge( $table['visibility']['columns'] );
    590. 

  590.                     $message = _n( 'Column deleted successfully.', 'Columns deleted successfully.', count( $delete_columns ), WP_TABLE_RELOADED_TEXTDOMAIN );
    591. 

  591.                 }
    592. 

  592.                 $this->save_table( $table );
    593. 

  593.                 break;
    594. 

  594.             case 'insert_rows': // insert row before each selected row
    595. 

  595.                 $table_id = $_POST['table']['id'];
    596. 

  596.                 $insert_rows = ( isset( $_POST['table_select']['rows'] ) ) ? $_POST['table_select']['rows'] : array();
    597. 

  597.                 $table = $this->load_table( $table_id );
    598. 

  598.                 $rows = count( $table['data'] );
    599. 

  599.                 $cols = (0 < $rows) ? count( $table['data'][0] ) : 0;
    600. 

  600. 

  601.                 // insert rows and re-index
    602. 

  602.                 $row_change = 0; // row_change is growing parameter, needed because indices change
    603. 

  603.                 $new_row = array( array_fill( 0, $cols, '' ) );
    604. 

  604.                 foreach ( $insert_rows as $row_idx => $value) {
    605. 

  605.                     $row_id = $row_idx + $row_change;
    606. 

  606.                     // init new empty row (with all columns) and insert it before row with key $row_id
    607. 

  607.                     array_splice( $table['data'], $row_id, 0, $new_row );
    608. 

  608.                     array_splice( $table['visibility']['rows'], $row_id, 0, false );
    609. 

  609.                     $row_change++;
    610. 

  610.                 }
    611. 

  611.                 
    612. 

  612.                 $this->save_table( $table );
    613. 

  613.                 $message = _n( 'Row inserted successfully.', 'Rows inserted successfully.', count( $insert_rows ), WP_TABLE_RELOADED_TEXTDOMAIN );
    614. 

  614.                 break;
    615. 

  615.             case 'insert_cols': // insert column before each selected column
    616. 

  616.                 $table_id = $_POST['table']['id'];
    617. 

  617.                 $insert_columns = ( isset( $_POST['table_select']['columns'] ) ) ? $_POST['table_select']['columns'] : array();
    618. 

  618.                 $table = $this->load_table( $table_id );
    619. 

  619.                 $rows = count( $table['data'] );
    620. 

  620.                 $cols = (0 < $rows) ? count( $table['data'][0] ) : 0;
    621. 

  621. 

  622.                 // insert cols and re-index
    623. 

  623.                 $new_col = '';
    624. 

  624.                 foreach ( $table['data'] as $row_idx => $row ) {
    625. 

  625.                     $col_change = 0; // col_change is growing parameter, needed because indices change
    626. 

  626.                     foreach ( $insert_columns as $col_idx => $value) {
    627. 

  627.                         $col_id = $col_idx + $col_change;
    628. 

  628.                         array_splice( $table['data'][$row_idx], $col_id, 0, $new_col );
    629. 

  629.                         $col_change++;
    630. 

  630.                     }
    631. 

  631.                 }
    632. 

  632.                 $col_change = 0; // col_change is growing parameter, needed because indices change
    633. 

  633.                 foreach ( $insert_columns as $col_idx => $value) {
    634. 

  634.                     $col_id = $col_idx + $col_change;
    635. 

  635.                     array_splice( $table['visibility']['columns'], $col_id, 0, false );
    636. 

  636.                     $col_change++;
    637. 

  637.                 }
    638. 

  638. 

  639.                 $this->save_table( $table );
    640. 

  640.                 $message = _n( 'Column inserted successfully.', 'Columns inserted successfully.', count( $insert_columns ), WP_TABLE_RELOADED_TEXTDOMAIN );
    641. 

  641.                 break;
    642. 

  642.             case 'append_rows':
    643. 

  643.                 $table_id = $_POST['table']['id'];
    644. 

  644.                 $number = ( isset( $_POST['insert']['row']['number'] ) && ( 0 < $_POST['insert']['row']['number'] ) ) ? $_POST['insert']['row']['number'] : 1;
    645. 

  645.                 $row_id = $_POST['insert']['row']['id'];
    646. 

  646.                 $table = $this->load_table( $table_id );
    647. 

  647.                 $rows = count( $table['data'] );
    648. 

  648.                 $cols = (0 < $rows) ? count( $table['data'][0] ) : 0;
    649. 

  649.                 // init new empty row (with all columns) and insert it before row with key $row_id
    650. 

  650.                 $new_rows = $this->helper->create_empty_table( $number, $cols, '' );
    651. 

  651.                 $new_rows_visibility = array_fill( 0, $number, false );
    652. 

  652.                 array_splice( $table['data'], $row_id, 0, $new_rows );
    653. 

  653.                 array_splice( $table['visibility']['rows'], $row_id, 0, $new_rows_visibility );
    654. 

  654.                 $this->save_table( $table );
    655. 

  655.                 $message = _n( 'Row added successfully.', 'Rows added successfully.', $number, WP_TABLE_RELOADED_TEXTDOMAIN );
    656. 

  656.                 break;
    657. 

  657.             case 'append_cols':
    658. 

  658.                 $table_id = $_POST['table']['id'];
    659. 

  659.                 $number = ( isset( $_POST['insert']['col']['number'] ) && ( 0 < $_POST['insert']['col']['number'] ) ) ? $_POST['insert']['col']['number'] : 1;
    660. 

  660.                 $col_id = $_POST['insert']['col']['id'];
    661. 

  661.                 $table = $this->load_table( $table_id );
    662. 

  662.                 // init new empty row (with all columns) and insert it before row with key $col_id
    663. 

  663.                 $new_cols = array_fill( 0, $number, '' );
    664. 

  664.                 $new_cols_visibility = array_fill( 0, $number, false );
    665. 

  665.                 foreach ( $table['data'] as $row_idx => $row )
    666. 

  666.                     array_splice( $table['data'][$row_idx], $col_id, 0, $new_cols );
    667. 

  667.                 array_splice( $table['visibility']['columns'], $col_id, 0, $new_cols_visibility );
    668. 

  668.                 $this->save_table( $table );
    669. 

  669.                 $message = _n( 'Column added successfully.', 'Columns added successfully.', $number, WP_TABLE_RELOADED_TEXTDOMAIN );
    670. 

  670.                 break;
    671. 

  671.             case 'insert_cf':
    672. 

  672.                 $table_id = $_POST['table']['id'];
    673. 

  673.                 $table = $this->load_table( $table_id );
    674. 

  674.                 $name = ( isset( $_POST['insert']['custom_field'] ) ) ? $_POST['insert']['custom_field'] : '';
    675. 

  675.                 if ( empty( $name ) ) {
    676. 

  676.                     $message = __( 'Could not add Custom Data Field, because you did not enter a name.', WP_TABLE_RELOADED_TEXTDOMAIN );
    677. 

  677.                     break;
    678. 

  678.                 }
    679. 

  679.                 $reserved_names = array( 'name', 'description', 'last_modified', 'last_editor' );
    680. 

  680.                 if ( in_array( $name, $reserved_names ) ) {
    681. 

  681.                     $message = __( 'Could not add Custom Data Field, because the name you entered is reserved for other table data.', WP_TABLE_RELOADED_TEXTDOMAIN );
    682. 

  682.                     break;
    683. 

  683.                 }
    684. 

  684.                 // Name can only contain lowercase letters, numbers, _ and - (like permalink slugs)
    685. 

  685.                 $clean_name = sanitize_title_with_dashes( $name );
    686. 

  686.                 if ( $name != $clean_name ) {
    687. 

  687.                     $message = __( 'Could not add Custom Data Field, because the name contained illegal characters.', WP_TABLE_RELOADED_TEXTDOMAIN );
    688. 

  688.                     break;
    689. 

  689.                 }
    690. 

  690.                 if ( isset( $table['custom_fields'][$name] ) ) {
    691. 

  691.                     $message = __( 'Could not add Custom Data Field, because a Field with that name already exists.', WP_TABLE_RELOADED_TEXTDOMAIN );
    692. 

  692.                     break;
    693. 

  693.                 }
    694. 

  694.                 $table['custom_fields'][$name] = '';
    695. 

  695.                 uksort( $table['custom_fields'], 'strnatcasecmp' ); // sort the keys naturally
    696. 

  696.                 $this->save_table( $table );
    697. 

  697.                 $message = __( 'Custom Data Field added successfully.', WP_TABLE_RELOADED_TEXTDOMAIN );
    698. 

  698.                 break;
    699. 

  699.             default:
    700. 

  700.                 $this->do_action_list();
    701. 

  701.                 return;
    702. 

  702.             }
    703. 

  703. 

  704.             $this->helper->print_header_message( $message );
    705. 

  705.             if ( 'save_back' == $subaction ) {
    706. 

  706.                 $this->do_action_list();
    707. 

  707.             } else {
    708. 

  708.                 $table_id = $table['id'];
    709. 

  709.                 $this->load_view( 'edit', compact( 'table_id' ) );
    710. 

  710.             }
    711. 

  711.         } elseif ( isset( $_GET['table_id'] ) && $this->table_exists( $_GET['table_id'] ) ) {
    712. 

  712.             $table_id = $_GET['table_id'];
    713. 

  713.             $this->load_view( 'edit', compact( 'table_id' ) );
    714. 

  714.         } else {
    715. 

  715.             $this->do_action_list();
    716. 

  716.         }
    717. 

  717.     }
    718. 

  718. 

  719.     /**
    720. 

  720.      * "Bulk Edit" action handler
    721. 

  721.      */
    722. 

  722.     function do_action_bulk_edit() {
    723. 

  723.         if ( isset( $_POST['submit'] ) ) {
    724. 

  724.             check_admin_referer( $this->get_nonce( 'bulk_edit' ) );
    725. 

  725. 

  726.             if ( isset( $_POST['tables'] ) ) {
    727. 

  727. 

  728.                 $subactions = array_keys( $_POST['submit'] );
    729. 

  729.                 $subaction = $subactions[0];
    730. 

  730. 

  731.                 switch( $subaction ) {
    732. 

  732.                 case 'copy': // see do_action_copy for explanations
    733. 

  733.                     foreach ( $_POST['tables'] as $table_id ) {
    734. 

  734.                         $table_to_copy = $this->load_table( $table_id );
    735. 

  735.                         $new_table = $table_to_copy;
    736. 

  736.                         $new_table['id'] = $this->get_new_table_id();
    737. 

  737.                         $new_table['name'] = __( 'Copy of', WP_TABLE_RELOADED_TEXTDOMAIN ) . ' ' . $table_to_copy['name'];
    738. 

  738.                         unset( $table_to_copy );
    739. 

  739.                         $this->save_table( $new_table );
    740. 

  740.                     }
    741. 

  741.                     $message = _n( 'Table copied successfully.', 'Tables copied successfully.', count( $_POST['tables'] ), WP_TABLE_RELOADED_TEXTDOMAIN );
    742. 

  742.                     break;
    743. 

  743.                 case 'delete': // see do_action_delete for explanations
    744. 

  744.                     foreach ( $_POST['tables'] as $table_id ) {
    745. 

  745.                         $this->delete_table( $table_id );
    746. 

  746.                     }
    747. 

  747.                     $message = _n( 'Table deleted successfully.', 'Tables deleted successfully.', count( $_POST['tables'] ), WP_TABLE_RELOADED_TEXTDOMAIN );
    748. 

  748.                     break;
    749. 

  749.                 case 'wp_table_import': // see do_action_import for explanations
    750. 

  750.                     $this->import_instance = $this->create_class_instance( 'WP_Table_Reloaded_Import', 'import.class.php' );
    751. 

  751.                     $this->import_instance->import_format = 'wp_table';
    752. 

  752.                     foreach ( $_POST['tables'] as $table_id ) {
    753. 

  753.                         $this->import_instance->wp_table_id = $table_id;
    754. 

  754.                         $this->import_instance->import_table();
    755. 

  755.                         $imported_table = $this->import_instance->imported_table;
    756. 

  756.                         $table = array_merge( $this->default_table, $imported_table );
    757. 

  757.                         
    758. 

  758.                         $rows = count( $table['data'] );
    759. 

  759.                         $cols = (0 < $rows) ? count( $table['data'][0] ) : 0;
    760. 

  760.                         $rows = ( 0 < $rows ) ? $rows : 1;
    761. 

  761.                         $cols = ( 0 < $cols ) ? $cols : 1;
    762. 

  762.                         $table['visibility']['rows'] = array_fill( 0, $rows, false );
    763. 

  763.                         $table['visibility']['columns'] = array_fill( 0, $cols, false );
    764. 

  764.                         
    765. 

  765.                         $table['id'] = $this->get_new_table_id();
    766. 

  766.                         $this->save_table( $table );
    767. 

  767.                     }
    768. 

  768.                     $message = _n( 'Table imported successfully.', 'Tables imported successfully.', count( $_POST['tables'] ), WP_TABLE_RELOADED_TEXTDOMAIN );
    769. 

  769.                     break;
    770. 

  770.                 default:
    771. 

  771.                     break;
    772. 

  772.                 }
    773. 

  773. 

  774.             } else {
    775. 

  775.                 $message = __( 'You did not select any tables!', WP_TABLE_RELOADED_TEXTDOMAIN );
    776. 

  776.             }
    777. 

  777.             $this->helper->print_header_message( $message );
    778. 

  778.         }
    779. 

  779.         $this->do_action_list();
    780. 

  780.     }
    781. 

  781. 

  782.     /**
    783. 

  783.      * "Copy" action handler
    784. 

  784.      */
    785. 

  785.     function do_action_copy() {
    786. 

  786.         if ( isset( $_GET['table_id'] ) ) {
    787. 

  787.             check_admin_referer( $this->get_nonce( 'copy' ) );
    788. 

  788. 

  789.             $table_to_copy = $this->load_table( $_GET['table_id'] );
    790. 

  790. 

  791.             $new_table = $table_to_copy;
    792. 

  792.             $new_table['id'] = $this->get_new_table_id();
    793. 

  793.             $new_table['name'] = __( 'Copy of', WP_TABLE_RELOADED_TEXTDOMAIN ) . ' ' . $table_to_copy['name'];
    794. 

  794.             unset( $table_to_copy );
    795. 

  795. 

  796.             $this->save_table( $new_table );
    797. 

  797. 

  798.             $this->helper->print_header_message( sprintf( __( 'Table &quot;%s&quot; copied successfully.', WP_TABLE_RELOADED_TEXTDOMAIN ), $this->helper->safe_output( $new_table['name'] ) ) );
    799. 

  799.         }
    800. 

  800.         $this->do_action_list();
    801. 

  801.     }
    802. 

  802. 

  803.     /**
    804. 

  804.      * "Delete" action handler, for tables and custom fields
    805. 

  805.      */
    806. 

  806.     function do_action_delete() {
    807. 

  807.         if ( isset( $_GET['table_id'] ) && isset( $_GET['item'] ) ) {
    808. 

  808.             check_admin_referer( $this->get_nonce( 'delete', $_GET['item'] ) );
    809. 

  809. 

  810.             $table_id = $_GET['table_id'];
    811. 

  811.             $table = $this->load_table( $table_id );
    812. 

  812. 

  813.             switch( $_GET['item'] ) {
    814. 

  814.             case 'table':
    815. 

  815.                 $this->delete_table( $table_id );
    816. 

  816.                 $this->helper->print_header_message( sprintf( __( 'Table &quot;%s&quot; deleted successfully.', WP_TABLE_RELOADED_TEXTDOMAIN ), $this->helper->safe_output( $table['name'] ) ) );
    817. 

  817.                 $this->do_action_list();
    818. 

  818.                 break;
    819. 

  819.             case 'custom_field':
    820. 

  820.                 $name = ( isset( $_GET['element_id'] ) ) ? $_GET['element_id'] : '';
    821. 

  821.                 if ( !empty( $name ) && isset( $table['custom_fields'][$name] ) ) {
    822. 

  822.                     unset( $table['custom_fields'][$name] );
    823. 

  823.                     $this->save_table( $table );
    824. 

  824.                     $message = __( 'Custom Data Field deleted successfully.', WP_TABLE_RELOADED_TEXTDOMAIN );
    825. 

  825.                 } else {
    826. 

  826.                     $message = __( 'Custom Data Field could not be deleted.', WP_TABLE_RELOADED_TEXTDOMAIN );
    827. 

  827.                 }
    828. 

  828.                 $this->helper->print_header_message( $message );
    829. 

  829.                 $this->load_view( 'edit', compact( 'table_id' ) );
    830. 

  830.                 break;
    831. 

  831.             default:
    832. 

  832.                 $this->helper->print_header_message( __( 'Delete failed.', WP_TABLE_RELOADED_TEXTDOMAIN ) );
    833. 

  833.                 $this->do_action_list();
    834. 

  834.             }
    835. 

  835.         } else {
    836. 

  836.             $this->do_action_list();
    837. 

  837.         }
    838. 

  838.     }
    839. 

  839. 

  840.     /**
    841. 

  841.      * "Import" action handler, for single tables and a Dump File
    842. 

  842.      */
    843. 

  843.     function do_action_import() {
    844. 

  844.         $this->import_instance = $this->create_class_instance( 'WP_Table_Reloaded_Import', 'import.class.php' );
    845. 

  845.         if ( isset( $_POST['submit'] ) && isset( $_POST['import_from'] ) ) {
    846. 

  846.             check_admin_referer( $this->get_nonce( 'import' ) );
    847. 

  847. 

  848.             $import_error = false;
    849. 

  849.             switch( $_POST['import_from'] ) {
    850. 

  850.             case 'file-upload':
    851. 

  851.       …
    852.

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