PHP SectionManager::fetchNextSortOrder方法代码示例

 public function __actionNew()
 {
     if (@array_key_exists('save', $_POST['action']) || @array_key_exists('done', $_POST['action'])) {
         $canProceed = true;
         $edit = $this->_context[0] == "edit";
         $this->_errors = array();
         $fields = isset($_POST['fields']) ? $_POST['fields'] : array();
         $meta = $_POST['meta'];
         if ($edit) {
             $section_id = $this->_context[1];
             $existing_section = SectionManager::fetch($section_id);
         }
         // Check to ensure all the required section fields are filled
         if (!isset($meta['name']) || strlen(trim($meta['name'])) == 0) {
             $this->_errors['name'] = __('This is a required field.');
             $canProceed = false;
         } elseif ($edit) {
             $s = SectionManager::fetchIDFromHandle(Lang::createHandle($meta['name']));
             if ($meta['name'] !== $existing_section->get('name') && !is_null($s) && $s !== $section_id) {
                 $this->_errors['name'] = __('A Section with the name %s already exists', array('<code>' . $meta['name'] . '</code>'));
                 $canProceed = false;
             }
         } elseif (!is_null(SectionManager::fetchIDFromHandle(Lang::createHandle($meta['name'])))) {
             $this->_errors['name'] = __('A Section with the name %s already exists', array('<code>' . $meta['name'] . '</code>'));
             $canProceed = false;
         }
         // Check to ensure all the required section fields are filled
         if (!isset($meta['navigation_group']) || strlen(trim($meta['navigation_group'])) == 0) {
             $this->_errors['navigation_group'] = __('This is a required field.');
             $canProceed = false;
         }
         // Basic custom field checking
         if (is_array($fields) && !empty($fields)) {
             // Check for duplicate CF names
             if ($canProceed) {
                 $name_list = array();
                 foreach ($fields as $position => $data) {
                     if (trim($data['element_name']) == '') {
                         $data['element_name'] = $fields[$position]['element_name'] = $_POST['fields'][$position]['element_name'] = Lang::createHandle($data['label'], 255, '-', false, true, array('@^[\\d-]+@i' => ''));
                     }
                     if (trim($data['element_name']) != '' && in_array($data['element_name'], $name_list)) {
                         $this->_errors[$position] = array('element_name' => __('A field with this handle already exists. All handle must be unique.'));
                         $canProceed = false;
                         break;
                     }
                     $name_list[] = $data['element_name'];
                 }
             }
             if ($canProceed) {
                 $unique = array();
                 foreach ($fields as $position => $data) {
                     $field = FieldManager::create($data['type']);
                     $field->setFromPOST($data);
                     if (isset($existing_section)) {
                         $field->set('parent_section', $existing_section->get('id'));
                     }
                     if ($field->mustBeUnique() && !in_array($field->get('type'), $unique)) {
                         $unique[] = $field->get('type');
                     } elseif ($field->mustBeUnique() && in_array($field->get('type'), $unique)) {
                         // Warning. cannot have 2 of this field!
                         $canProceed = false;
                         $this->_errors[$position] = array('label' => __('There is already a field of type %s. There can only be one per section.', array('<code>' . $field->handle() . '</code>')));
                     }
                     $errors = array();
                     if (Field::__OK__ != $field->checkFields($errors, false) && !empty($errors)) {
                         $this->_errors[$position] = $errors;
                         $canProceed = false;
                     }
                 }
             }
         }
         if ($canProceed) {
             $meta['handle'] = Lang::createHandle($meta['name']);
             // If we are creating a new Section
             if (!$edit) {
                 $meta['sortorder'] = SectionManager::fetchNextSortOrder();
                 /**
                  * Just prior to saving the Section settings. Use with caution as
                  * there is no additional processing to ensure that Field's or Section's
                  * are unique.
                  *
                  * @delegate SectionPreCreate
                  * @since Symphony 2.2
                  * @param string $context
                  * '/blueprints/sections/'
                  * @param array $meta
                  *  The section's settings, passed by reference
                  * @param array $fields
                  *  An associative array of the fields that will be saved to this
                  *  section with the key being the position in the Section Editor
                  *  and the value being a Field object, passed by reference
                  */
                 Symphony::ExtensionManager()->notifyMembers('SectionPreCreate', '/blueprints/sections/', array('meta' => &$meta, 'fields' => &$fields));
                 if (!($section_id = SectionManager::add($meta))) {
                     $this->pageAlert(__('An unknown database occurred while attempting to create the section.'), Alert::ERROR);
                 }
             } else {
                 $meta['hidden'] = isset($meta['hidden']) ? 'yes' : 'no';
                 /**
                  * Just prior to updating the Section settings. Use with caution as
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