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<?php |
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namespace devgroup\JsTreeWidget\actions\AdjacencyList; |
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use DevGroup\TagDependencyHelper\NamingHelper; |
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use Yii; |
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use yii\base\Action; |
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use yii\base\InvalidConfigException; |
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use yii\caching\TagDependency; |
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use yii\db\ActiveRecord; |
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use yii\web\BadRequestHttpException; |
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/** |
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* Helper action to change sort_order attribute via JsTree Drag&Drop |
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* Example usage in controller: |
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* ``` php |
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* public function actions() |
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* { |
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* return [ |
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* 'reorder' => [ |
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* 'class' => TreeNodesReorderAction::class, |
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* 'class_name' => Category::class, |
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* ], |
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* ... |
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* ]; |
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* } |
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* ``` |
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*/ |
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class TreeNodesReorderAction extends Action |
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{ |
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public $className = null; |
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public $modelSortOrderField = 'sort_order'; |
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public $sortOrder = []; |
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public function init() |
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{ |
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if (!isset($this->className)) { |
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throw new InvalidConfigException("Model name should be set in controller actions"); |
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} |
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if (!class_exists($this->className)) { |
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throw new InvalidConfigException("Model class does not exists"); |
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} |
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$this->sortOrder = Yii::$app->request->post('order'); |
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if (empty($this->sortOrder)) { |
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throw new BadRequestHttpException; |
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} |
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} |
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public function run() |
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{ |
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/** @var ActiveRecord $class */ |
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$class = $this->className; |
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$sortOrderField = Yii::$app->db->quoteColumnName($this->modelSortOrderField); |
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$case = 'CASE `id`'; |
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$newSortOrders = []; |
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foreach ($this->sortOrder as $id => $sort_order) { |
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if ($sort_order === '' || $sort_order === null) { |
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continue; |
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} |
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$case .= ' when "' . $id . '" then "' . $sort_order . '"'; |
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$newSortOrders[$id] = $sort_order; |
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} |
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$case .= ' END'; |
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$sql = "UPDATE " |
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. $class::tableName() |
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. " SET " . $sortOrderField . " = " |
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. $case |
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. " WHERE `id` IN(" . implode(', ', array_keys($newSortOrders)) |
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. ")"; |
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TagDependency::invalidate( |
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Yii::$app->cache, |
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NamingHelper::getCommonTag($class) |
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); |
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return 0 !== Yii::$app->db->createCommand($sql)->execute(); |
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} |
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} |
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DevGroup-ru /
yii2-jstree-widget
