Added support for sending page information with events

Thanks to patches from GlaserFrank & ryan.mcgarrie
(https://code.google.com/p/php-ga/issues/detail?id=16)

src/GoogleAnalytics/Internals/Request/EventRequest.php

@@ -29,6 +29,7 @@
 namespace UnitedPrototype\GoogleAnalytics\Internals\Request;
 
 use UnitedPrototype\GoogleAnalytics\Event;
+use UnitedPrototype\GoogleAnalytics\Page;
 
 use UnitedPrototype\GoogleAnalytics\Internals\X10;
 
@@ -86,6 +87,17 @@ protected function buildParameters() {
 		if($this->event->getNoninteraction()) {
 			$p->utmni = 1;
 		}
+
+		if($this->page) {
+			$p->utmp  = $this->page->getPath();
+			$p->utmdt = $this->page->getTitle();
+			if($this->page->getCharset() !== null) {
+				$p->utmcs = $this->page->getCharset();
+			}
+			if($this->page->getReferrer() !== null) {
+				$p->utmr = $this->page->getReferrer();
+			}
+		}
 
 		return $p;
 	}
@@ -104,6 +116,20 @@ public function setEvent(Event $event) {
 		$this->event = $event;
 	}
 
+	/**
+	 * @return \UnitedPrototype\GoogleAnalytics\Page
+	 */
+	public function getPage() {
+		return $this->page;
+	}
+
+	/**
+	 * @param \UnitedPrototype\GoogleAnalytics\Page $page
+	 */
+	public function setPage(Page $page) {
+		$this->page = $page;
+	}
+
 }
 
 ?>

src/GoogleAnalytics/Tracker.php

@@ -241,15 +241,19 @@ public function trackPageview(Page $page, Session $session, Visitor $visitor) {
 	 * @param \UnitedPrototype\GoogleAnalytics\Event $event
 	 * @param \UnitedPrototype\GoogleAnalytics\Session $session
 	 * @param \UnitedPrototype\GoogleAnalytics\Visitor $visitor
+	 * @param \UnitedPrototype\GoogleAnalytics\Page $page
 	 */
-	public function trackEvent(Event $event, Session $session, Visitor $visitor) {
+	public function trackEvent(Event $event, Session $session, Visitor $visitor, Page $page = null) {
 		// Ensure that all required parameters are set
 		$event->validate();
 
 		$request = new EventRequest(static::$config);
 		$request->setEvent($event);
 		$request->setSession($session);
 		$request->setVisitor($visitor);
+		if($page) {
+			$request->setPage($page);
+		}
 		$request->setTracker($this);
 		$request->fire();
 	}