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<?php
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/**
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* @author Nikita Melnikov <[email protected]>
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* @link https://github.com/shogodev/argilla/
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* @copyright Copyright © 2003-2014 Shogo
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* @license http://argilla.ru/LICENSE
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* @package backend.components
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*
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* Для использования необходимо в шаблоне вызвать метод show().
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* Хлебные крошки автоматически сформируются в зависимости от модуля, контроллера, действия и модели
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*
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* Пример:
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* <pre>
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* Yii::app()->breadcrumbs->show();
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* </pre>
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*/
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class BBreadcrumbsManager
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{
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/**
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* @var string
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*/
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public static $indexName = 'index';
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/**
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* @var BModule
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*/
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private $module;
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/**
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* @var BController
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*/
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private $controller;
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/**
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* @var BController
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*/
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private $defaultModuleController;
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/**
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* @var array
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*/
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private $breadcrumbs = array();
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/**
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* Есть ли возможность вырезать ссылку на стандартный контроллер,
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* ставится в true только, если появляются похожие части хлебных крошек
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* (одинаковое название DefaultController::Controller)
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*
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* @var boolean
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*/
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private $canCutDefaultControllerLink = false;
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public function init()
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{
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try
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{
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if( !(Yii::app()->controller->module instanceof BModule) )
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return;
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$this->controller = Yii::app()->controller;
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$this->initModel();
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$this->initDefaultController();
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$this->initBreadcrumbs();
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}
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catch( Exception $e )
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{
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Yii::log($e->getMessage(), CLogger::LEVEL_ERROR, 'Breadcrumbs');
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}
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}
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/**
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* Присваивание текущему контроллеру приложения сформированных хлебных крошек
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*/
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public function show()
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{
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Yii::app()->controller->breadcrumbs = $this->breadcrumbs;
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}
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protected function initModel()
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{
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$params = $this->controller->getActionParams();
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if( $this->controller->action->id === self::$indexName )
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$this->model = null;
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elseif( !empty($params['id']) )
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$this->model = $this->controller->loadModel($params['id']);
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else
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{
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$modelName = $this->controller->modelClass;
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$this->model = new $modelName;
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}
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}
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/**
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* @throws BBreadcrumbsManagerException
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*/
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protected function initDefaultController()
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{
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$controllerName = Yii::app()->controller->module->defaultController;
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$controllerClass = ucfirst($controllerName).'Controller';
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$this->defaultModuleController = new $controllerClass($controllerName);
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}
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protected function initBreadcrumbs()
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{
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if( empty($this->model) )
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$this->initBreadcumbsWithotModel();
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elseif( empty($this->model->id) )
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$this->initBreadcrumbsWithNewModel();
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else
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$this->initBreadcrumbsWithExistingModel();
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if( !$this->checkControllersNameDiff() && $this->canCutDefaultControllerLink )
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unset($this->breadcrumbs[$this->controller->name]);
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}
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/**
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* Инициализация хлебных крошек без участия модели (actionIndex)
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*/
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protected function initBreadcumbsWithotModel()
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{
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$this->canCutDefaultControllerLink = true;
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$this->breadcrumbs[] = $this->controller->name;
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}
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/**
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* Инициализация хлебных крошек с новой записью
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*/
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protected function initBreadcrumbsWithNewModel()
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{
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$this->breadcrumbs[$this->controller->name] = self::$indexName;
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$this->breadcrumbs[] = 'Создание';
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}
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/**
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* Инициализация хлебных крошек с существующей записью
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*/
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protected function initBreadcrumbsWithExistingModel()
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{
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$this->breadcrumbs[$this->controller->name] = self::$indexName;
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if( $this->model instanceof BProduct && !empty($this->model->parent) )
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{
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$this->breadcrumbs['Родительский продукт'] = Yii::app()->createUrl('/product/product/update', array('id' => $this->model->parent));
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$this->breadcrumbs[] = '[Модификация] '.$this->prepareItemName();
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}
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else
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{
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$this->breadcrumbs[] = $this->prepareItemName();
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}
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}
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/**
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* проверка на совпадение имени стандартного и текущего контроллера
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*
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* @return boolean
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*/
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protected function checkControllersNameDiff()
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{
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return $this->controller->id !== $this->defaultModuleController->id;
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}
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/**
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* Получение названия записи
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* Приоритет по полям:
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* 1) name
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* 2) title
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* 3) id
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*
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* @return string
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*/
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protected function prepareItemName()
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{
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if( !empty($this->model->name) )
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return $this->model->name;
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elseif( !empty($this->model->title) )
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return $this->model->title;
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else
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return $this->model->id;
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}
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}
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/**
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* @author Nikita Melnikov <[email protected]>
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* @link https://github.com/shogodev/argilla/
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* @copyright Copyright © 2003-2014 Shogo
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* @license http://argilla.ru/LICENSE
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* @package backend.components
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*/
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class BBreadcrumbsManagerException extends CException
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{
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} |
shogodev /
argilla
tatarinov
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: