| 1 |
<?php |
| 2 |
/** |
| 3 |
* TablePress Base View with members and methods for all views |
| 4 |
* |
| 5 |
* @package TablePress |
| 6 |
* @subpackage Views |
| 7 |
* @author Tobias Bäthge |
| 8 |
* @since 1.0.0 |
| 9 |
*/ |
| 10 |
|
| 11 |
// Prohibit direct script loading. |
| 12 |
defined( 'ABSPATH' ) || die( 'No direct script access allowed!' ); |
| 13 |
|
| 14 |
/** |
| 15 |
* TablePress Base View class |
| 16 |
* @package TablePress |
| 17 |
* @subpackage Views |
| 18 |
* @author Tobias Bäthge |
| 19 |
* @since 1.0.0 |
| 20 |
*/ |
| 21 |
abstract class TablePress_View { |
| 22 |
|
| 23 |
/** |
| 24 |
* Data for the view. |
| 25 |
* |
| 26 |
* @since 1.0.0 |
| 27 |
* @var array |
| 28 |
*/ |
| 29 |
protected $data = array(); |
| 30 |
|
| 31 |
/** |
| 32 |
* Number of screen columns for post boxes. |
| 33 |
* |
| 34 |
* @since 1.0.0 |
| 35 |
* @var int |
| 36 |
*/ |
| 37 |
protected $screen_columns = 0; |
| 38 |
|
| 39 |
/** |
| 40 |
* User action for this screen. |
| 41 |
* |
| 42 |
* @since 1.0.0 |
| 43 |
* @var string |
| 44 |
*/ |
| 45 |
protected $action = ''; |
| 46 |
|
| 47 |
/** |
| 48 |
* Instance of the Admin Page Helper Class, with necessary functions. |
| 49 |
* |
| 50 |
* @since 1.0.0 |
| 51 |
* @var TablePress_Admin_Page |
| 52 |
*/ |
| 53 |
protected $admin_page; |
| 54 |
|
| 55 |
/** |
| 56 |
* List of text boxes (similar to post boxes, but just with text and without extra functionality). |
| 57 |
* |
| 58 |
* @since 1.0.0 |
| 59 |
* @var array |
| 60 |
*/ |
| 61 |
protected $textboxes = array(); |
| 62 |
|
| 63 |
/** |
| 64 |
* List of messages that are to be displayed as boxes below the page title. |
| 65 |
* |
| 66 |
* @since 1.0.0 |
| 67 |
* @var array |
| 68 |
*/ |
| 69 |
protected $header_messages = array(); |
| 70 |
|
| 71 |
/** |
| 72 |
* Whether there are post boxes registered for this screen, |
| 73 |
* is automatically set to true, when a meta box is added. |
| 74 |
* |
| 75 |
* @since 1.0.0 |
| 76 |
* @var bool |
| 77 |
*/ |
| 78 |
protected $has_meta_boxes = false; |
| 79 |
|
| 80 |
/** |
| 81 |
* List of WP feature pointers for this view. |
| 82 |
* |
| 83 |
* @since 1.0.0 |
| 84 |
* @var array |
| 85 |
*/ |
| 86 |
protected $wp_pointers = array(); |
| 87 |
|
| 88 |
/** |
| 89 |
* Initialize the View class, by setting the correct screen columns and adding help texts. |
| 90 |
* |
| 91 |
* @since 1.0.0 |
| 92 |
*/ |
| 93 |
public function __construct() { |
| 94 |
$screen = get_current_screen(); |
| 95 |
if ( 0 !== $this->screen_columns ) { |
| 96 |
$screen->add_option( 'layout_columns', array( 'max' => $this->screen_columns ) ); |
| 97 |
} |
| 98 |
// Enable two column layout. |
| 99 |
add_filter( "get_user_option_screen_layout_{$screen->id}", array( $this, 'set_current_screen_layout_columns' ) ); |
| 100 |
|
| 101 |
$screen->add_help_tab( array( |
| 102 |
'id' => 'tablepress-help', // This should be unique for the screen. |
| 103 |
'title' => __( 'TablePress Help', 'tablepress' ), |
| 104 |
'content' => '<p>' . $this->help_tab_content() . '</p>' |
| 105 |
. '<p>' . sprintf( __( 'More information about TablePress can be found on the <a href="%1$s">plugin’s website</a> or on its page in the <a href="%2$s">WordPress Plugin Directory</a>.', 'tablepress' ), 'https://tablepress.org/', 'https://wordpress.org/plugins/tablepress/' ) . ' ' |
| 106 |
. sprintf( __( 'For technical information, please see the <a href="%s">documentation</a>.', 'tablepress' ), 'https://tablepress.org/documentation/' ) . ' ' |
| 107 |
. sprintf( __( '<a href="%1$s">Support</a> is provided through the <a href="%2$s">WordPress Support Forums</a>.', 'tablepress' ), 'https://tablepress.org/support/', 'https://wordpress.org/tags/tablepress' ) . ' ' |
| 108 |
. sprintf( __( 'Before asking for support, please carefully read the <a href="%s">Frequently Asked Questions</a>, where you will find answers to the most common questions, and search through the forums.', 'tablepress' ), 'https://tablepress.org/faq/' ) . '<br />' |
| 109 |
. sprintf( __( 'If you like the plugin, <a href="%1$s"><strong>a donation</strong></a> is recommended.', 'tablepress' ), 'https://tablepress.org/donate/' ) . '</p>', |
| 110 |
) ); |
| 111 |
// "sidebar" in the help tab. |
| 112 |
$screen->set_help_sidebar( '<p><strong>' . __( 'For more information:', 'tablepress' ) . '</strong></p><p><a href="https://tablepress.org/" target="_blank">TablePress Website</a></p><p><a href="https://tablepress.org/faq/" target="_blank">TablePress FAQ</a></p><p><a href="https://tablepress.org/documentation/" target="_blank">TablePress Documentation</a></p><p><a href="https://tablepress.org/support/" target="_blank">TablePress Support</a></p>' ); |
| 113 |
} |
| 114 |
|
| 115 |
/** |
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* Change the value of the user option "screen_layout_{$screen->id}" through a filter. |
| 117 |
* |
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* @since 1.0.0 |
| 119 |
* |
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* @param int|bool Current value of the user option. |
| 121 |
* @return int New value for the user option. |
| 122 |
*/ |
| 123 |
public function set_current_screen_layout_columns( $result ) { |
| 124 |
if ( false === $result ) { |
| 125 |
// The user option does not yet exist. |
| 126 |
$result = $this->screen_columns; |
| 127 |
} elseif ( $result > $this->screen_columns ) { |
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// The value of the user option is bigger than what is possible on this screen (e.g. because the number of columns was reduced in an update). |
| 129 |
$result = $this->screen_columns; |
| 130 |
} |
| 131 |
return $result; |
| 132 |
} |
| 133 |
|
| 134 |
/** |
| 135 |
* Set up the view with data and do things that are necessary for all views. |
| 136 |
* |
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* @since 1.0.0 |
| 138 |
* |
| 139 |
* @param string $action Action for this view. |
| 140 |
* @param array $data Data for this view. |
| 141 |
*/ |
| 142 |
public function setup( $action, array $data ) { |
| 143 |
$this->action = $action; |
| 144 |
$this->data = $data; |
| 145 |
|
| 146 |
// Set page title. |
| 147 |
$GLOBALS['title'] = sprintf( __( '%1$s ‹ %2$s', 'tablepress' ), $this->data['view_actions'][ $this->action ]['page_title'], 'TablePress' ); |
| 148 |
|
| 149 |
// Admin page helpers, like script/style loading, could be moved to view. |
| 150 |
$this->admin_page = TablePress::load_class( 'TablePress_Admin_Page', 'class-admin-page-helper.php', 'classes' ); |
| 151 |
$this->admin_page->enqueue_style( 'common' ); |
| 152 |
// RTL styles for the admin interface. |
| 153 |
if ( is_rtl() ) { |
| 154 |
$this->admin_page->enqueue_style( 'common-rtl', array( 'tablepress-common' ) ); |
| 155 |
} |
| 156 |
$this->admin_page->enqueue_script( 'common', array( 'jquery-core', 'postbox' ), array( |
| 157 |
'common' => array( |
| 158 |
'ays_delete_single_table' => _n( 'Do you really want to delete this table?', 'Do you really want to delete these tables?', 1, 'tablepress' ), |
| 159 |
'ays_delete_multiple_tables' => _n( 'Do you really want to delete this table?', 'Do you really want to delete these tables?', 2, 'tablepress' ), |
| 160 |
) |
| 161 |
) ); |
| 162 |
|
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$this->admin_page->add_admin_footer_text(); |
| 164 |
|
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// Initialize WP feature pointers for TablePress. |
| 166 |
$this->_init_wp_pointers(); |
| 167 |
|
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// Necessary fields for all views. |
| 169 |
$this->add_text_box( 'default_nonce_fields', array( $this, 'default_nonce_fields' ), 'header', false ); |
| 170 |
$this->add_text_box( 'action_nonce_field', array( $this, 'action_nonce_field' ), 'header', false ); |
| 171 |
$this->add_text_box( 'action_field', array( $this, 'action_field' ), 'header', false ); |
| 172 |
} |
| 173 |
|
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/** |
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* Register a header message for the view. |
| 176 |
* |
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* @since 1.0.0 |
| 178 |
* |
| 179 |
* @param string $text Text for the header message. |
| 180 |
* @param string $class Optional. Additional CSS class for the header message. |
| 181 |
*/ |
| 182 |
protected function add_header_message( $text, $class = 'notice-success' ) { |
| 183 |
if ( ! stripos( $class, 'not-dismissible' ) ) { |
| 184 |
$class .= ' is-dismissible'; |
| 185 |
} |
| 186 |
$this->header_messages[] = "<div class=\"notice {$class}\"><p>{$text}</p></div>\n"; |
| 187 |
} |
| 188 |
|
| 189 |
/** |
| 190 |
* Process header action messages, i.e. check if a message should be added to the page. |
| 191 |
* |
| 192 |
* @since 1.0.0 |
| 193 |
* |
| 194 |
* @param array $action_messages Action messages for the screen. |
| 195 |
*/ |
| 196 |
protected function process_action_messages( array $action_messages ) { |
| 197 |
if ( $this->data['message'] && isset( $action_messages[ $this->data['message'] ] ) ) { |
| 198 |
$class = ( 'error' === substr( $this->data['message'], 0, 5 ) ) ? 'notice-error' : 'notice-success'; |
| 199 |
$this->add_header_message( "<strong>{$action_messages[ $this->data['message'] ]}</strong>", $class ); |
| 200 |
} |
| 201 |
} |
| 202 |
|
| 203 |
/** |
| 204 |
* Register a text box for the view. |
| 205 |
* |
| 206 |
* @since 1.0.0 |
| 207 |
* |
| 208 |
* @param string $id Unique HTML ID for the text box container (only visible with $wrap = true). |
| 209 |
* @param callback $callback Callback that prints the contents of the text box. |
| 210 |
* @param string $context Optional. Context/position of the text box (normal, side, additional, header, submit). |
| 211 |
* @param bool $ wrap Whether the content of the text box shall be wrapped in a <div> container. |
| 212 |
*/ |
| 213 |
protected function add_text_box( $id, $callback, $context = 'normal', $wrap = false ) { |
| 214 |
if ( ! isset( $this->textboxes[ $context ] ) ) { |
| 215 |
$this->textboxes[ $context ] = array(); |
| 216 |
} |
| 217 |
|
| 218 |
$long_id = "tablepress_{$this->action}-{$id}"; |
| 219 |
$this->textboxes[ $context ][ $id ] = array( |
| 220 |
'id' => $long_id, |
| 221 |
'callback' => $callback, |
| 222 |
'context' => $context, |
| 223 |
'wrap' => $wrap, |
| 224 |
); |
| 225 |
} |
| 226 |
|
| 227 |
/** |
| 228 |
* Register a post meta box for the view, that is drag/droppable with WordPress functionality. |
| 229 |
* |
| 230 |
* @since 1.0.0 |
| 231 |
* |
| 232 |
* @param string $id Unique ID for the meta box. |
| 233 |
* @param string $title Title for the meta box. |
| 234 |
* @param callback $callback Callback that prints the contents of the post meta box. |
| 235 |
* @param string $context Optional. Context/position of the post meta box (normal, side, additional). |
| 236 |
* @param string $priority Optional. Order of the post meta box for the $context position (high, default, low). |
| 237 |
* @param bool $callback_args Optional. Additional data for the callback function (e.g. useful when in different class). |
| 238 |
*/ |
| 239 |
protected function add_meta_box( $id, $title, $callback, $context = 'normal', $priority = 'default', $callback_args = null ) { |
| 240 |
$this->has_meta_boxes = true; |
| 241 |
add_meta_box( "tablepress_{$this->action}-{$id}", $title, $callback, null, $context, $priority, $callback_args ); |
| 242 |
} |
| 243 |
|
| 244 |
/** |
| 245 |
* Render all text boxes for the given context. |
| 246 |
* |
| 247 |
* @since 1.0.0 |
| 248 |
* |
| 249 |
* @param string $context Context (normal, side, additional, header, submit) for which registered text boxes shall be rendered. |
| 250 |
*/ |
| 251 |
protected function do_text_boxes( $context ) { |
| 252 |
if ( empty( $this->textboxes[ $context ] ) ) { |
| 253 |
return; |
| 254 |
} |
| 255 |
|
| 256 |
foreach ( $this->textboxes[ $context ] as $box ) { |
| 257 |
if ( $box['wrap'] ) { |
| 258 |
echo "<div id=\"{$box['id']}\" class=\"textbox\">\n"; |
| 259 |
} |
| 260 |
call_user_func( $box['callback'], $this->data, $box ); |
| 261 |
if ( $box['wrap'] ) { |
| 262 |
echo "</div>\n"; |
| 263 |
} |
| 264 |
} |
| 265 |
} |
| 266 |
|
| 267 |
/** |
| 268 |
* Render all post meta boxes for the given context, if there are post meta boxes. |
| 269 |
* |
| 270 |
* @since 1.0.0 |
| 271 |
* |
| 272 |
* @param string $context Context (normal, side, additional) for which registered post meta boxes shall be rendered. |
| 273 |
*/ |
| 274 |
protected function do_meta_boxes( $context ) { |
| 275 |
if ( ! $this->has_meta_boxes ) { |
| 276 |
return; |
| 277 |
} |
| 278 |
do_meta_boxes( null, $context, $this->data ); |
| 279 |
} |
| 280 |
|
| 281 |
/** |
| 282 |
* Print hidden fields with nonces for post meta box AJAX handling, if there are post meta boxes on the screen. |
| 283 |
* |
| 284 |
* The check is possible as this function is executed after post meta boxes have to be registered. |
| 285 |
* |
| 286 |
* @since 1.0.0 |
| 287 |
* |
| 288 |
* @param array $data Data for this screen. |
| 289 |
* @param array $box Information about the text box. |
| 290 |
*/ |
| 291 |
protected function default_nonce_fields( array $data, array $box ) { |
| 292 |
if ( ! $this->has_meta_boxes ) { |
| 293 |
return; |
| 294 |
} |
| 295 |
wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); |
| 296 |
echo "\n"; |
| 297 |
wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); |
| 298 |
echo "\n"; |
| 299 |
} |
| 300 |
|
| 301 |
/** |
| 302 |
* Print hidden field with a nonce for the screen's action, to be transmitted in HTTP requests. |
| 303 |
* |
| 304 |
* @since 1.0.0 |
| 305 |
* |
| 306 |
* @param array $data Data for this screen. |
| 307 |
* @param array $box Information about the text box. |
| 308 |
*/ |
| 309 |
protected function action_nonce_field( array $data, array $box ) { |
| 310 |
wp_nonce_field( TablePress::nonce( $this->action ) ); |
| 311 |
echo "\n"; |
| 312 |
} |
| 313 |
|
| 314 |
/** |
| 315 |
* Print hidden field with the screen action. |
| 316 |
* |
| 317 |
* @since 1.0.0 |
| 318 |
* |
| 319 |
* @param array $data Data for this screen. |
| 320 |
* @param array $box Information about the text box. |
| 321 |
*/ |
| 322 |
protected function action_field( array $data, array $box ) { |
| 323 |
echo "<input type=\"hidden\" name=\"action\" value=\"tablepress_{$this->action}\" />\n"; |
| 324 |
} |
| 325 |
|
| 326 |
/** |
| 327 |
* Render the current view. |
| 328 |
* |
| 329 |
* @since 1.0.0 |
| 330 |
*/ |
| 331 |
public function render() { |
| 332 |
?> |
| 333 |
<div id="tablepress-page" class="wrap"> |
| 334 |
<?php |
| 335 |
$this->print_nav_tab_menu(); |
| 336 |
// Print all header messages. |
| 337 |
foreach ( $this->header_messages as $message ) { |
| 338 |
echo $message; |
| 339 |
} |
| 340 |
// "Import" screen has file upload. |
| 341 |
$enctype = ( 'import' === $this->action ) ? ' enctype="multipart/form-data"' : ''; |
| 342 |
?> |
| 343 |
<form action="<?php echo esc_url( admin_url( 'admin-post.php' ) ); ?>" method="post"<?php echo $enctype; ?>> |
| 344 |
<?php |
| 345 |
$this->do_text_boxes( 'header' ); |
| 346 |
?> |
| 347 |
<div id="poststuff"> |
| 348 |
<div id="post-body" class="metabox-holder columns-<?php echo ( isset( $GLOBALS['screen_layout_columns'] ) && ( 2 === $GLOBALS['screen_layout_columns'] ) ) ? '2' : '1'; ?>"> |
| 349 |
<div id="postbox-container-2" class="postbox-container"> |
| 350 |
<?php |
| 351 |
$this->do_text_boxes( 'normal' ); |
| 352 |
$this->do_meta_boxes( 'normal' ); |
| 353 |
|
| 354 |
$this->do_text_boxes( 'additional' ); |
| 355 |
$this->do_meta_boxes( 'additional' ); |
| 356 |
|
| 357 |
// Print all submit buttons. |
| 358 |
$this->do_text_boxes( 'submit' ); |
| 359 |
?> |
| 360 |
</div> |
| 361 |
<div id="postbox-container-1" class="postbox-container"> |
| 362 |
<?php |
| 363 |
// Print all boxes in the sidebar. |
| 364 |
$this->do_text_boxes( 'side' ); |
| 365 |
$this->do_meta_boxes( 'side' ); |
| 366 |
?> |
| 367 |
</div> |
| 368 |
</div> |
| 369 |
<br class="clear" /> |
| 370 |
</div> |
| 371 |
</form> |
| 372 |
</div> |
| 373 |
<?php |
| 374 |
} |
| 375 |
|
| 376 |
/** |
| 377 |
* Render the navigation menu with links to the possible actions, highlighting the current one. |
| 378 |
* |
| 379 |
* @since 1.0.0 |
| 380 |
*/ |
| 381 |
protected function print_nav_tab_menu() { |
| 382 |
?> |
| 383 |
<div id="tablepress-nav" class="nav-tab-wrapper"> |
| 384 |
<h1 class="wp-heading-inline"><?php _e( 'TablePress', 'tablepress' ); ?></h1> |
| 385 |
<?php |
| 386 |
foreach ( $this->data['view_actions'] as $action => $entry ) { |
| 387 |
if ( '' === $entry['nav_tab_title'] ) { |
| 388 |
continue; |
| 389 |
} |
| 390 |
if ( ! current_user_can( $entry['required_cap'] ) ) { |
| 391 |
continue; |
| 392 |
} |
| 393 |
|
| 394 |
$url = esc_url( TablePress::url( array( 'action' => $action ) ) ); |
| 395 |
$active = ( $action === $this->action ) ? ' nav-tab-active' : ''; |
| 396 |
$separator = ( 'options' === $action ) ? ' nav-tab-separator' : ''; // Make the "Plugin Options" entry a separator, for some spacing. |
| 397 |
echo "<a class=\"nav-tab{$active}{$separator}\" href=\"{$url}\">{$entry['nav_tab_title']}</a>"; |
| 398 |
} |
| 399 |
?> |
| 400 |
</div><hr class="wp-header-end" /> |
| 401 |
<?php |
| 402 |
} |
| 403 |
|
| 404 |
/** |
| 405 |
* Print a submit button (only done when function is used as a callback for a text box). |
| 406 |
* |
| 407 |
* @since 1.0.0 |
| 408 |
* |
| 409 |
* @param array $data Data for this screen. |
| 410 |
* @param array $box Information about the text box. |
| 411 |
*/ |
| 412 |
protected function textbox_submit_button( array $data, array $box ) { |
| 413 |
$caption = isset( $data['submit_button_caption'] ) ? $data['submit_button_caption'] : __( 'Save Changes', 'tablepress' ); |
| 414 |
?> |
| 415 |
<p class="submit"><input type="submit" value="<?php echo esc_attr( $caption ); ?>" class="button button-primary button-large" name="submit" /></p> |
| 416 |
<?php |
| 417 |
} |
| 418 |
|
| 419 |
/** |
| 420 |
* Return the content for the help tab for this screen. |
| 421 |
* |
| 422 |
* Has to be implemented for every view that is visible in the WP Dashboard! |
| 423 |
* |
| 424 |
* @since 1.0.0 |
| 425 |
*/ |
| 426 |
protected function help_tab_content() { |
| 427 |
// Has to be implemented for every view that is visible in the WP Dashboard! |
| 428 |
return ''; |
| 429 |
} |
| 430 |
|
| 431 |
/** |
| 432 |
* Initialize the WP feature pointers for TablePress. |
| 433 |
* |
| 434 |
* @since 1.0.0 |
| 435 |
*/ |
| 436 |
protected function _init_wp_pointers() { |
| 437 |
// Check if there are WP pointers for this view. |
| 438 |
if ( empty( $this->wp_pointers ) ) { |
| 439 |
return; |
| 440 |
} |
| 441 |
|
| 442 |
// Get dismissed pointers. |
| 443 |
$dismissed = explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) ); |
| 444 |
|
| 445 |
$got_pointers = false; |
| 446 |
foreach ( array_diff( $this->wp_pointers, $dismissed ) as $pointer ) { |
| 447 |
// Bind pointer print function. |
| 448 |
add_action( "admin_footer-{$GLOBALS['hook_suffix']}", array( $this, 'wp_pointer_' . $pointer ) ); |
| 449 |
$got_pointers = true; |
| 450 |
} |
| 451 |
|
| 452 |
if ( ! $got_pointers ) { |
| 453 |
return; |
| 454 |
} |
| 455 |
|
| 456 |
// Add pointers script and style to queue. |
| 457 |
wp_enqueue_style( 'wp-pointer' ); |
| 458 |
wp_enqueue_script( 'wp-pointer' ); |
| 459 |
} |
| 460 |
|
| 461 |
} // class TablePress_View |
| 462 |
|
