PHP Ajax::json方法代码示例

 /**
  * Set avatar from social account
  * 
  * @param type $id 
  */
 public function avatar_action($id)
 {
     $loginza = new Db_ORM('users_loginza');
     $loginza->id = $id;
     if ($loginza->find() && ($this->user->id == $id or access('loginza delete_all'))) {
         if ($loginza->photo) {
             $user = new User_Object();
             $user->id = $this->user->id;
             $path = UPLOADS . DS . 'avatars' . DS . $this->user->id . DS . basename($loginza->photo);
             copy($loginza->photo, $path);
             $user->avatar = Url::toUri($path, UPLOADS);
             $user->save();
             Ajax::json(array('action' => 'reload'));
         }
     } else {
         Ajax::denied();
     }
 }

 /**
  * Set value from request
  *
  * @return  mixed
  */
 public function result()
 {
     $image = new Upload_Image($this->name, $this->getAttributes(), $this->validators->findByValue('Required'));
     if ($result = $image->upload()) {
         $this->is_fetched = TRUE;
         $this->image = $image->getInfo();
         $this->value = $result;
     } else {
         $this->errors = $image->errors;
     }
     if ($this->form->is_ajaxed) {
         $result = array('value' => $this->value, 'file' => Url::toUri(UPLOADS . $this->value), 'width' => $this->image->width, 'height' => $this->image->height, 'errors' => $this->errors ? strip_tags(implode("\n", $this->errors)) : '');
         Ajax::json($result);
     }
     // if there is hidden field with the same name — take value from there
     if (isset($this->form->request[$this->name])) {
         $this->value = $this->form->request[$this->name];
     }
     return $this->value;
 }

 /**
  * Delete post
  *
  * @param type $cid
  */
 public function delete_action($post_id)
 {
     $post = new Post();
     $post->id = $post_id;
     if ($post->find() && access('Post.delete.all')) {
         if ($post->delete()) {
             $message = t('Пост удалён');
             if (Ajax::is()) {
                 $data['success'] = TRUE;
                 $data['messages'] = array(array('type' => 'success', 'body' => $message));
                 $data['redirect'] = server('referer');
                 $ajax = new Ajax();
                 $ajax->json($data);
             }
             $post = new Post();
             $post->id = $post->post_id;
             flash_success($message);
             back(-2);
         }
     }
 }

 /**
  * Диспатчер ajax-запросов
  *
  * @param string $action
  * @return JSON
  */
 public function ajax_action($action = NULL)
 {
     $ajax = new Ajax();
     switch ($action) {
         case 'saveItemsTree':
             if (!($menu = menu($param))) {
                 return event('empty');
             }
             if ($this->rebuildItemsTree($this->input->post('items'))) {
                 $ajax->success = TRUE;
                 $ajax->message(t('Структура сохранена!'));
             } else {
                 $ajax->success = FALSE;
                 $ajax->message(t('Не удалось сохранить структуру'), 'error', t('Ошибка'));
             }
             break;
         case 'order':
         default:
             if ($menus = $this->input->post('menus')) {
                 foreach ($menus as $id => $position) {
                     if ($menu = menu($id)) {
                         $menu->update(array('position' => $position));
                     }
                 }
             }
     }
     $ajax->json();
 }

 /**
  * Result
  *
  * @return  NULL|Core_ArrayObject — filtered and validated data
  */
 public function result()
 {
     // Define if form is requested via ajaxed
     $this->ajaxed = $this->options->ajax && Ajax::is() && cogear()->input->post('ajaxed') === $this->getId();
     $method = strtolower($this->options->method);
     $result = array();
     $is_valid = TRUE;
     if (cogear()->input->{$method}() or $_FILES) {
         foreach ($this->elements as $name => $element) {
             $value = $element->result();
             if ($value !== NULL) {
                 $result[$name] = $value;
             }
             if ($value === FALSE) {
                 $is_valid = FALSE;
             }
         }
     }
     if ($this->ajaxed) {
         $data = array();
         $data['success'] = $is_valid && $result;
         if ($data['success']) {
             $data['result'] = $result;
         } else {
             foreach ($this->elements as $key => $element) {
                 $element->errors->count() > 0 && ($data['errors'][$key] = $element->errors);
             }
             $ajax = new Ajax();
             $ajax->json($data);
         }
     }
     if ($is_valid && $result) {
         $result = Core_ArrayObject::transform($result);
     }
     if (!event('form.result.' . $this->options->name, $this, $is_valid, $result)->check() or !event('form.result', $this, $is_valid, $result)->check()) {
         return FALSE;
     }
     return $is_valid ? $result : FALSE;
 }

 public function upload_action($type)
 {
     $ajax = new Ajax();
     $ajax->success = FALSE;
     switch ($type) {
         case 'editor/image':
             $form = new Form(array('#name' => 'file.upload.editor.image', 'file' => array('type' => 'image', 'allowed_types' => array('jpg', 'png', 'gif'), 'maxsize' => '300Kb', 'path' => Image::uploadPath(), 'validate' => array('Required'), 'rewrite' => TRUE, 'preset' => 'image.large')));
             if ($result = $form->result()) {
                 if ($result->file) {
                     $ajax->code = Image::getThumbCode($result->file, 'image.medium');
                     $ajax->success = TRUE;
                 }
             }
             break;
     }
     $ajax->json();
 }

 /**
  * Gears dispatcher
  * 
  * @param string $action
  * @param string $gear 
  */
 public function index($action = NULL, $gear = NULL)
 {
     if (!access('admin gears')) {
         Ajax::denied();
     }
     switch ($action) {
         case 'activate':
             cogear()->activate($gear);
             $tpl = new Template('Gears.item');
             $tpl->assign($this->{$gear}->info());
             Ajax::json(array('items' => array(array('id' => 'gear-' . $gear, 'action' => 'replace', 'code' => $tpl->render()))));
             break;
         case 'deactivate':
             cogear()->deactivate($gear);
             $tpl = new Template('Gears.item');
             $name = strtolower($gear);
             $tpl->assign($this->{$name}->info());
             Ajax::json(array('items' => array(array('id' => 'gear-' . $gear, 'action' => 'replace', 'code' => $tpl->render()))));
             break;
     }
 }

 /**
  * Управление виджетами
  *
  * @param mixed $action
  */
 public function widgets_action($action = 'list', $subaction = NULL)
 {
     $this->hookAdminMenu();
     new Menu_Tabs(array('name' => 'admin.theme.widgets', 'elements' => array(array('label' => icon('list') . ' ' . t('Список'), 'link' => l('/admin/theme/widgets')), array('label' => icon('plus') . ' ' . t('Добавить'), 'link' => l('/admin/theme/widgets/add') . e('uri', $this->input->get('uri')), 'class' => 'fl_r'), array('label' => icon('pencil') . ' ' . t('Редактировать'), 'link' => l('/admin/theme/widgets/' . $this->router->getSegments(3)), 'access' => check_route('widgets/(\\d+)'), 'active' => check_route('widgets/(\\d+)$'), 'class' => 'fl_r'), array('label' => icon('wrench') . ' ' . t('Настройки'), 'link' => l('/admin/theme/widgets/' . $this->router->getSegments(3) . '/options'), 'access' => check_route('widgets/(\\d+)'), 'active' => check_route('widgets/(\\d+)/options'), 'class' => 'fl_r'))));
     if ($action == 'ajax' && ($widgets = $this->input->post('widgets'))) {
         $ajax = new Ajax();
         $position = 0;
         foreach ($widgets as $config) {
             if ($widget = widget($config['id'])) {
                 $widget->region = $config['region'];
                 $widget->position = ++$position;
                 $widget->save();
             }
         }
         $this->cache->remove('widgets');
         $ajax->success = TRUE;
         $ajax->json();
     } else {
         if ($action == 'list') {
             jqueryui();
             template('Theme/templates/widgets/search')->show();
             $widget = widget();
             $widget->order('position');
             $widgets = $widget->findAll();
             // Фильтруем, если задан параметр
             if ($uri = $this->input->get('uri')) {
                 $remove_ids = array();
                 foreach ($widgets as $key => $widget) {
                     if (!check_route($widget->route, $uri)) {
                         $remove_ids[] = $key;
                     }
                 }
                 foreach ($remove_ids as $id) {
                     $widgets->offsetUnset($id);
                 }
             }
             template('Theme/templates/widgets/list', array('regions' => $this->regions, 'widgets' => $widgets))->show();
         } else {
             $form = new Form('Theme/forms/widget');
             $form->callback->setValues($this->getWidgets());
             $form->region->setValues(array_combine($this->regions, $this->regions));
             if (is_numeric($action) && ($widget = widget($action))) {
                 if ($subaction === 'options') {
                     template('Theme/templates/widgets/options.header', array('widget' => $widget))->show();
                     $class = $widget->callback;
                     $current_widget = new $class($widget->object()->options);
                     $current_widget->object($widget);
                     if ($current_widget->settings()) {
                         $this->cache->remove('widgets');
                         flash_success(t('Настройки виджета <b>%s</b> сохранены!', $widget->name), '', 'growl');
                         redirect(l(TRUE));
                     }
                     return;
                 }
                 $form->object($widget);
                 $form->callback->options->disabled = TRUE;
             } elseif ($action == 'add') {
                 if ($uri = $this->input->get('uri')) {
                     $form->route->setValue($uri);
                 }
                 if ($region = $this->input->get('region')) {
                     $form->region->setValue($region);
                 }
                 $form->remove('delete');
                 $widget = widget();
             } else {
                 return event('empty');
             }
             if ($result = $form->result()) {
                 $this->cache->remove('widgets');
                 if ($result->delete && $widget->delete()) {
                     flash_success(t('Виджет «<b>%s</b>»успешно удалён!', $widget->name), '', 'growl');
                     redirect(l('/admin/theme/widgets'));
                 }
                 if ($action == 'add') {
                     $result->position = 1 + widget()->where('region', $result->region)->countAll();
                 }
                 $widget->object()->extend($result);
                 if ($widget->save()) {
                     if ($action == 'add') {
                         flash_success(t('Виджет «<b>%s</b>» успешно добавлен!', $widget->name), '', 'growl');
                         redirect(l('/admin/theme/widgets/' . $widget->id . '/options'));
                     } else {
                         flash_success(t('Виджет  «<b>%s</b>» успешно отредактирован!', $widget->name));
                         redirect(l(TRUE));
                     }
                 }
             }
             $form->show();
         }
     }
 }

 /**
  * Result
  *
  * @return  NULL|Core_ArrayObject — filtered and validated data
  */
 public function result()
 {
     $this->init();
     event('form.result.before', $this);
     event('form.' . $this->name . '.result.before', $this);
     $this->request = $this->method == 'POST' ? $_POST : $_GET;
     $result = array();
     $is_valid = TRUE;
     if (sizeof($this->request) > 0) {
         foreach ($this->elements as $name => $element) {
             $value = $element->result();
             if ($value !== FALSE) {
                 $result[$name] = $value;
             } else {
                 $is_valid = FALSE;
             }
         }
     }
     if ($this->is_ajaxed) {
         $response = array();
         foreach ($this->elements as $name => $element) {
             if ($name == Ajax::get('element')) {
                 if ($result = $element->ajax()) {
                     $response[$name] = $result;
                 }
             }
         }
         event('form.ajax.before', $this, $response);
         event('form.' . $this->name . '.ajax.before', $this, $response);
         $response && Ajax::json($response);
     }
     event('form.result.after', $this, $is_valid, $result);
     event('form.' . $this->name . '.result.after', $this, $is_valid, $result);
     return $is_valid && $result ? Core_ArrayObject::transform($result) : FALSE;
 }

 /**
  * Ajax интерцептор
  *
  * @param string $action
  * @param mixed $param
  */
 public function admin_ajax($action = 'getLink', $param = NULL)
 {
     $ajax = new Ajax();
     switch ($action) {
         case 'getLink':
             if ($page = page($param)) {
                 $ajax->success = TRUE;
                 $ajax->link = trim($page->getLink(), '/');
             } else {
                 $ajax->success = FALSE;
             }
             break;
         case 'saveDBtree':
             if ($pages = $this->rebuildPagesTree($this->input->post('items'))) {
                 $ajax->success = TRUE;
                 $ajax->message(t('Структура сохранена!'));
             } else {
                 $ajax->success = FALSE;
                 $ajax->message(t('Не удалось сохранить структуру'), 'error', t('Ошибка'));
             }
             break;
     }
     $ajax->json();
 }