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1 <?php 2 // $Id: content_types.inc,v 1.50.2.3 2009/09/14 11:51:23 goba Exp $ 3 4 /** 5 * @file 6 * Content type editing UI. 7 */ 8 9 /** 10 * Displays the content type admin overview page. 11 */ 12 function node_overview_types() { 13 $types = node_get_types(); 14 $names = node_get_types('names'); 15 $header = array(t('Name'), t('Type'), t('Description'), array('data' => t('Operations'), 'colspan' => '2')); 16 $rows = array(); 17 18 foreach ($names as $key => $name) { 19 $type = $types[$key]; 20 if (node_hook($type, 'form')) { 21 $type_url_str = str_replace('_', '-', $type->type); 22 $row = array( 23 l($name, 'admin/content/node-type/'. $type_url_str), 24 check_plain($type->type), 25 filter_xss_admin($type->description), 26 ); 27 // Set the edit column. 28 $row[] = array('data' => l(t('edit'), 'admin/content/node-type/'. $type_url_str)); 29 30 // Set the delete column. 31 if ($type->custom) { 32 $row[] = array('data' => l(t('delete'), 'admin/content/node-type/'. $type_url_str .'/delete')); 33 } 34 else { 35 $row[] = array('data' => ''); 36 } 37 $rows[] = $row; 38 } 39 } 40 41 if (empty($rows)) { 42 $rows[] = array(array('data' => t('No content types available.'), 'colspan' => '5', 'class' => 'message')); 43 } 44 45 return theme('table', $header, $rows); 46 } 47 48 /** 49 * Generates the node type editing form. 50 */ 51 function node_type_form(&$form_state, $type = NULL) { 52 if (!isset($type->type)) { 53 $type = new stdClass(); 54 $type->type = $type->name = $type->module = $type->description = $type->help = ''; 55 $type->min_word_count = 0; 56 $type->has_title = TRUE; 57 $type->has_body = TRUE; 58 $type->title_label = t('Title'); 59 $type->body_label = t('Body'); 60 $type->custom = TRUE; 61 $type->modified = FALSE; 62 $type->locked = FALSE; 63 } 64 65 $form['#node_type'] = $type; // Make the type object available to implementations of hook_form_alter. 66 67 $form['identity'] = array( 68 '#type' => 'fieldset', 69 '#title' => t('Identification'), 70 ); 71 $form['identity']['name'] = array( 72 '#title' => t('Name'), 73 '#type' => 'textfield', 74 '#default_value' => $type->name, 75 '#description' => t('The human-readable name of this content type. This text will be displayed as part of the list on the <em>create content</em> page. It is recommended that this name begin with a capital letter and contain only letters, numbers, and <strong>spaces</strong>. This name must be unique.'), 76 '#required' => TRUE, 77 ); 78 79 if (!$type->locked) { 80 $form['identity']['type'] = array( 81 '#title' => t('Type'), 82 '#type' => 'textfield', 83 '#default_value' => $type->type, 84 '#maxlength' => 32, 85 '#required' => TRUE, 86 '#description' => t('The machine-readable name of this content type. This text will be used for constructing the URL of the <em>create content</em> page for this content type. This name must contain only lowercase letters, numbers, and underscores. Underscores will be converted into hyphens when constructing the URL of the <em>create content</em> page. This name must be unique.'), 87 ); 88 } 89 else { 90 $form['identity']['type'] = array( 91 '#type' => 'value', 92 '#value' => $type->type, 93 ); 94 $form['identity']['type_display'] = array( 95 '#title' => t('Type'), 96 '#type' => 'item', 97 '#value' => theme('placeholder', $type->type), 98 '#description' => t('The machine-readable name of this content type. This field cannot be modified for system-defined content types.'), 99 ); 100 } 101 102 $form['identity']['description'] = array( 103 '#title' => t('Description'), 104 '#type' => 'textarea', 105 '#default_value' => $type->description, 106 '#description' => t('A brief description of this content type. This text will be displayed as part of the list on the <em>create content</em> page.'), 107 ); 108 109 $form['submission'] = array( 110 '#type' => 'fieldset', 111 '#title' => t('Submission form settings'), 112 '#collapsible' => TRUE, 113 '#collapsed' => TRUE, 114 ); 115 $form['submission']['title_label'] = array( 116 '#title' => t('Title field label'), 117 '#type' => 'textfield', 118 '#default_value' => $type->title_label, 119 '#required' => TRUE, 120 ); 121 if (!$type->has_title) { 122 // Avoid overwriting a content type that intentionally does not have a 123 // title field. 124 $form['submission']['title_label']['#attributes'] = array('disabled' => 'disabled'); 125 $form['submission']['title_label']['#description'] = t('This content type does not have a title field.'); 126 $form['submission']['title_label']['#required'] = FALSE; 127 } 128 $form['submission']['body_label'] = array( 129 '#title' => t('Body field label'), 130 '#type' => 'textfield', 131 '#default_value' => isset($type->body_label) ? $type->body_label : '', 132 '#description' => t('To omit the body field for this content type, remove any text and leave this field blank.'), 133 ); 134 $form['submission']['min_word_count'] = array( 135 '#type' => 'select', 136 '#title' => t('Minimum number of words'), 137 '#default_value' => $type->min_word_count, 138 '#options' => drupal_map_assoc(array(0, 1, 10, 25, 50, 75, 100, 125, 150, 175, 200)), 139 '#description' => t('The minimum number of words for the body field to be considered valid for this content type. This can be useful to rule out submissions that do not meet the site\'s standards, such as short test posts.') 140 ); 141 $form['submission']['help'] = array( 142 '#type' => 'textarea', 143 '#title' => t('Explanation or submission guidelines'), 144 '#default_value' => $type->help, 145 '#description' => t('This text will be displayed at the top of the submission form for this content type. It is useful for helping or instructing your users.') 146 ); 147 $form['workflow'] = array( 148 '#type' => 'fieldset', 149 '#title' => t('Workflow settings'), 150 '#collapsible' => TRUE, 151 '#collapsed' => TRUE, 152 ); 153 $form['workflow']['node_options'] = array('#type' => 'checkboxes', 154 '#title' => t('Default options'), 155 '#default_value' => variable_get('node_options_'. $type->type, array('status', 'promote')), 156 '#options' => array( 157 'status' => t('Published'), 158 'promote' => t('Promoted to front page'), 159 'sticky' => t('Sticky at top of lists'), 160 'revision' => t('Create new revision'), 161 ), 162 '#description' => t('Users with the <em>administer nodes</em> permission will be able to override these options.'), 163 ); 164 165 $form['old_type'] = array( 166 '#type' => 'value', 167 '#value' => $type->type, 168 ); 169 $form['orig_type'] = array( 170 '#type' => 'value', 171 '#value' => isset($type->orig_type) ? $type->orig_type : '', 172 ); 173 $form['module'] = array( 174 '#type' => 'value', 175 '#value' => $type->module, 176 ); 177 $form['custom'] = array( 178 '#type' => 'value', 179 '#value' => $type->custom, 180 ); 181 $form['modified'] = array( 182 '#type' => 'value', 183 '#value' => $type->modified, 184 ); 185 $form['locked'] = array( 186 '#type' => 'value', 187 '#value' => $type->locked, 188 ); 189 190 $form['submit'] = array( 191 '#type' => 'submit', 192 '#value' => t('Save content type'), 193 '#weight' => 40, 194 ); 195 196 if ($type->custom) { 197 if (!empty($type->type)) { 198 $form['delete'] = array( 199 '#type' => 'submit', 200 '#value' => t('Delete content type'), 201 '#weight' => 45, 202 ); 203 } 204 } 205 else { 206 $form['reset'] = array( 207 '#type' => 'submit', 208 '#value' => t('Reset to defaults'), 209 '#weight' => 50, 210 ); 211 } 212 213 return $form; 214 } 215 216 /** 217 * Validates the content type submission form generated by node_type_form(). 218 */ 219 function node_type_form_validate($form, &$form_state) { 220 $type = new stdClass(); 221 $type->type = trim($form_state['values']['type']); 222 $type->name = trim($form_state['values']['name']); 223 224 // Work out what the type was before the user submitted this form 225 $old_type = trim($form_state['values']['old_type']); 226 227 $types = node_get_types('names'); 228 229 if (!$form_state['values']['locked']) { 230 if (isset($types[$type->type]) && $type->type != $old_type) { 231 form_set_error('type', t('The machine-readable name %type is already taken.', array('%type' => $type->type))); 232 } 233 if (!preg_match('!^[a-z0-9_]+$!', $type->type)) { 234 form_set_error('type', t('The machine-readable name must contain only lowercase letters, numbers, and underscores.')); 235 } 236 // 'theme' conflicts with theme_node_form(). 237 // '0' is invalid, since elsewhere we check it using empty(). 238 if (in_array($type->type, array('0', 'theme'))) { 239 form_set_error('type', t("Invalid machine-readable name. Please enter a name other than %invalid.", array('%invalid' => $type->type))); 240 } 241 } 242 243 $names = array_flip($types); 244 245 if (isset($names[$type->name]) && $names[$type->name] != $old_type) { 246 form_set_error('name', t('The human-readable name %name is already taken.', array('%name' => $type->name))); 247 } 248 } 249 250 /** 251 * Implementation of hook_form_submit(). 252 */ 253 function node_type_form_submit($form, &$form_state) { 254 $op = isset($form_state['values']['op']) ? $form_state['values']['op'] : ''; 255 256 $type = new stdClass(); 257 258 $type->type = trim($form_state['values']['type']); 259 $type->name = trim($form_state['values']['name']); 260 $type->orig_type = trim($form_state['values']['orig_type']); 261 $type->old_type = isset($form_state['values']['old_type']) ? $form_state['values']['old_type'] : $type->type; 262 263 $type->description = $form_state['values']['description']; 264 $type->help = $form_state['values']['help']; 265 $type->min_word_count = $form_state['values']['min_word_count']; 266 $type->title_label = $form_state['values']['title_label']; 267 $type->body_label = $form_state['values']['body_label']; 268 269 // title_label is required in core; has_title will always be true, unless a 270 // module alters the title field. 271 $type->has_title = ($type->title_label != ''); 272 $type->has_body = ($type->body_label != ''); 273 274 $type->module = !empty($form_state['values']['module']) ? $form_state['values']['module'] : 'node'; 275 $type->custom = $form_state['values']['custom']; 276 $type->modified = TRUE; 277 $type->locked = $form_state['values']['locked']; 278 279 if ($op == t('Reset to defaults')) { 280 node_type_reset($type); 281 } 282 elseif ($op == t('Delete content type')) { 283 $form_state['redirect'] = 'admin/content/node-type/'. str_replace('_', '-', $type->old_type) .'/delete'; 284 return; 285 } 286 287 $status = node_type_save($type); 288 289 $variables = $form_state['values']; 290 291 // Remove everything that's been saved already - whatever's left is assumed 292 // to be a persistent variable. 293 foreach ($variables as $key => $value) { 294 if (isset($type->$key)) { 295 unset($variables[$key]); 296 } 297 } 298 299 unset($variables['form_token'], $variables['op'], $variables['submit'], $variables['delete'], $variables['reset'], $variables['form_id']); 300 301 // Save or reset persistent variable values. 302 foreach ($variables as $key => $value) { 303 $variable_new = $key .'_'. $type->type; 304 $variable_old = $key .'_'. $type->old_type; 305 306 if ($op == t('Reset to defaults')) { 307 variable_del($variable_old); 308 } 309 else { 310 if (is_array($value)) { 311 $value = array_keys(array_filter($value)); 312 } 313 variable_set($variable_new, $value); 314 315 if ($variable_new != $variable_old) { 316 variable_del($variable_old); 317 } 318 } 319 } 320 321 node_types_rebuild(); 322 menu_rebuild(); 323 $t_args = array('%name' => $type->name); 324 325 if ($op == t('Reset to defaults')) { 326 drupal_set_message(t('The content type %name has been reset to its default values.', $t_args)); 327 return; 328 } 329 330 if ($status == SAVED_UPDATED) { 331 drupal_set_message(t('The content type %name has been updated.', $t_args)); 332 } 333 elseif ($status == SAVED_NEW) { 334 drupal_set_message(t('The content type %name has been added.', $t_args)); 335 watchdog('node', 'Added content type %name.', $t_args, WATCHDOG_NOTICE, l(t('view'), 'admin/content/types')); 336 } 337 338 $form_state['redirect'] = 'admin/content/types'; 339 return; 340 } 341 342 /** 343 * Implementation of hook_node_type(). 344 */ 345 function node_node_type($op, $info) { 346 if ($op != 'delete' && !empty($info->old_type) && $info->old_type != $info->type) { 347 $update_count = node_type_update_nodes($info->old_type, $info->type); 348 349 if ($update_count) { 350 drupal_set_message(format_plural($update_count, 'Changed the content type of 1 post from %old-type to %type.', 'Changed the content type of @count posts from %old-type to %type.', array('%old-type' => $info->old_type, '%type' => $info->type))); 351 } 352 } 353 } 354 355 /** 356 * Resets all of the relevant fields of a module-defined node type to their 357 * default values. 358 * 359 * @param &$type 360 * The node type to reset. The node type is passed back by reference with its 361 * resetted values. If there is no module-defined info for this node type, 362 * then nothing happens. 363 */ 364 function node_type_reset(&$type) { 365 $info_array = module_invoke_all('node_info'); 366 if (isset($info_array[$type->orig_type])) { 367 $info_array[$type->orig_type]['type'] = $type->orig_type; 368 $info = _node_type_set_defaults($info_array[$type->orig_type]); 369 370 foreach ($info as $field => $value) { 371 $type->$field = $value; 372 } 373 } 374 } 375 376 /** 377 * Menu callback; delete a single content type. 378 */ 379 function node_type_delete_confirm(&$form_state, $type) { 380 $form['type'] = array('#type' => 'value', '#value' => $type->type); 381 $form['name'] = array('#type' => 'value', '#value' => $type->name); 382 383 $message = t('Are you sure you want to delete the content type %type?', array('%type' => $type->name)); 384 $caption = ''; 385 386 $num_nodes = db_result(db_query("SELECT COUNT(*) FROM {node} WHERE type = '%s'", $type->type)); 387 if ($num_nodes) { 388 $caption .= '<p>'. format_plural($num_nodes, '<strong>Warning:</strong> there is currently 1 %type post on your site. It may not be able to be displayed or edited correctly, once you have removed this content type.', '<strong>Warning:</strong> there are currently @count %type posts on your site. They may not be able to be displayed or edited correctly, once you have removed this content type.', array('%type' => $type->name)) .'</p>'; 389 } 390 391 $caption .= '<p>'. t('This action cannot be undone.') .'</p>'; 392 393 return confirm_form($form, $message, 'admin/content/types', $caption, t('Delete')); 394 } 395 396 /** 397 * Process content type delete confirm submissions. 398 */ 399 function node_type_delete_confirm_submit($form, &$form_state) { 400 node_type_delete($form_state['values']['type']); 401 402 $t_args = array('%name' => $form_state['values']['name']); 403 drupal_set_message(t('The content type %name has been deleted.', $t_args)); 404 watchdog('menu', 'Deleted content type %name.', $t_args, WATCHDOG_NOTICE); 405 406 node_types_rebuild(); 407 menu_rebuild(); 408 409 $form_state['redirect'] = 'admin/content/types'; 410 return; 411 }
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| Generated: Thu Mar 24 11:18:33 2011 | Cross-referenced by PHPXref 0.7 |