IRoute: added commented out getTargetPresenters()

Author: JanTvrdik

src/Application/IRouter.php

@@ -35,4 +35,10 @@ function match(Nette\Http\IRequest $httpRequest);
 	 */
 	function constructUrl(Request $appRequest, Nette\Http\Url $refUrl);
 
+	/**
+	 * Returns list of possible target presenters or NULL if the list is dynamic.
+	 * @return string[]|NULL
+	 */
+	// function getTargetPresenters();
+
 }

src/Application/Routers/Route.php

@@ -652,13 +652,12 @@ public function getFlags()
 
 	/**
 	 * Proprietary cache aim.
-	 * @internal
-	 * @return string|FALSE
+	 * @return string[]|NULL
 	 */
-	public function getTargetPresenter()
+	public function getTargetPresenters()
 	{
 		if ($this->flags & self::ONE_WAY) {
-			return FALSE;
+			return array();
 		}
 
 		$m = $this->metadata;
@@ -673,7 +672,7 @@ public function getTargetPresenter()
 		}
 
 		if (isset($m[self::PRESENTER_KEY]['fixity']) && $m[self::PRESENTER_KEY]['fixity'] === self::CONSTANT) {
-			return $module . $m[self::PRESENTER_KEY][self::VALUE];
+			return array($module . $m[self::PRESENTER_KEY][self::VALUE]);
 		}
 		return NULL;
 	}

src/Application/Routers/RouteList.php

@@ -57,33 +57,6 @@ public function match(Nette\Http\IRequest $httpRequest)
 	 */
 	public function constructUrl(Nette\Application\Request $appRequest, Nette\Http\Url $refUrl)
 	{
-		if ($this->cachedRoutes === NULL) {
-			$routes = array();
-			$routes['*'] = array();
-
-			foreach ($this as $route) {
-				$presenter = $route instanceof Route ? $route->getTargetPresenter() : NULL;
-
-				if ($presenter === FALSE) {
-					continue;
-				}
-
-				if (is_string($presenter)) {
-					if (!isset($routes[$presenter])) {
-						$routes[$presenter] = $routes['*'];
-					}
-					$routes[$presenter][] = $route;
-
-				} else {
-					foreach ($routes as $id => $foo) {
-						$routes[$id][] = $route;
-					}
-				}
-			}
-
-			$this->cachedRoutes = $routes;
-		}
-
 		if ($this->module) {
 			if (strncmp($tmp = $appRequest->getPresenterName(), $this->module, strlen($this->module)) === 0) {
 				$appRequest = clone $appRequest;
@@ -94,6 +67,10 @@ public function constructUrl(Nette\Application\Request $appRequest, Nette\Http\U
 		}
 
 		$presenter = $appRequest->getPresenterName();
+		if ($this->cachedRoutes === NULL) {
+			$this->cachedRoutes = $this->buildCache();
+		}
+
 		if (!isset($this->cachedRoutes[$presenter])) {
 			$presenter = '*';
 		}
@@ -132,4 +109,45 @@ public function getModule()
 		return $this->module;
 	}
 
+
+	/**
+	 * Returns list of possible target presenters or NULL if the list is dynamic.
+	 *
+	 * @return string[]|NULL
+	 */
+	public function getTargetPresenters()
+	{
+		if ($this->cachedRoutes === NULL) {
+			$this->cachedRoutes = $this->buildCache();
+		}
+
+		if (empty($this->cachedRoutes['*'])) {
+			$presenters = array_keys($this->cachedRoutes);
+			unset($presenters[0]); // remove '*'
+			return $presenters;
+		}
+
+		return NULL;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	private function buildCache()
+	{
+		$routes = array('*' => array());
+		foreach ($this as $route) {
+			$presenters = method_exists($route, 'getTargetPresenters') ? $route->getTargetPresenters() : NULL;
+			$keys = is_array($presenters) ? $presenters : array_keys($routes);
+			foreach ($keys as $key) {
+				if (!isset($routes[$key])) {
+					$routes[$key] = $routes['*'];
+				}
+				$routes[$key][] = $route;
+			}
+		}
+		return $routes;
+	}
+
 }