From 30edb01ffc789671aa82dd5fa55576fd164fe99d Mon Sep 17 00:00:00 2001
From: sanj <sanj@sanj>
Date: Sat, 18 Sep 2010 23:58:58 +0530
Subject: [PATCH] adding zooming to maxDataExtent

---
 vurbanism/static/js/vurbanism.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/vurbanism/static/js/vurbanism.js b/vurbanism/static/js/vurbanism.js
index b28cf93..bbc9fb8 100644
--- a/vurbanism/static/js/vurbanism.js
+++ b/vurbanism/static/js/vurbanism.js
@@ -1,5 +1,4 @@
-var currentlySelectedFeature, jsonLayer, mapControl;
-
+var map, currentlySelectedFeature, jsonLayer, mapControl, zoomControl;
 
 // Simple JavaScript Templating
 // John Resig - http://ejohn.org/ - MIT Licensed
@@ -59,9 +58,12 @@ $(function() {
   map.addLayers(layers);
   map.setCenter(center, 12);
 
-  mapControl = new OpenLayers.Control.SelectFeature(layers[1], {hover: false}); 
+  mapControl = new OpenLayers.Control.SelectFeature(layers[1], {hover: false});
+  zoomControl = new OpenLayers.Control.ZoomToMaxExtent();
   map.addControl(mapControl);
+//  map.addControl(zoomControl);
   mapControl.activate();
+//  zoomControl.activate();
   layers[1].events.on({
     'featureselected': onFeatureSelect
   });  
@@ -147,6 +149,9 @@ $(function() {
       var currFeatures = jsonLayer.features;
       jsonLayer.removeFeatures(currFeatures);
       jsonLayer.addFeatures(geojson_format.read(features));
+      var maxExtent = jsonLayer.getDataExtent();
+      map.zoomToExtent(maxExtent);
+//      console.log(maxExtent);
       switch(type.toLowerCase()) {
         case "image":
           var html = tmpl("tmpl_images", {'images': json.images});