From aff0435fffd4ac5551c0a90a8487d2d344d15777 Mon Sep 17 00:00:00 2001
From: Steffen Vogel <info@steffenvogel.de>
Date: Fri, 8 Oct 2010 23:01:41 +0200
Subject: [PATCH] closes #12 (pan/zoom) into future

---
 frontend/javascripts/frontend.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/frontend/javascripts/frontend.js b/frontend/javascripts/frontend.js
index 2b2d26c..fd9cf7f 100644
--- a/frontend/javascripts/frontend.js
+++ b/frontend/javascripts/frontend.js
@@ -191,6 +191,15 @@ vz.handleControls = function () {
 			break;
 	}
 	
+	// update delta after zoom
+	delta = vz.options.plot.xaxis.max - vz.options.plot.xaxis.min;
+	
+	// we dont want to zoom/pan into the future
+	if (vz.options.plot.xaxis.max + delta > new Date().getTime()) {
+		vz.options.plot.xaxis.max = new Date().getTime();
+		vz.options.plot.xaxis.min = new Date().getTime() - delta;
+	}
+	
 	vz.entities.loadData();
 };