[bus.git] / busui / common.inc.php
--- a/busui/common.inc.php
+++ b/busui/common.inc.php
@@ -19,10 +19,15 @@
 <html> 
 	<head> 
 	<title>bus.lambdacomplex.org - '.$pageTitle.'</title> 
-	<link rel="stylesheet"  href="http://code.jquery.com/mobile/1.0a2/jquery.mobile-1.0a2.min.css" /> 
+	<link rel="stylesheet"  href="http://code.jquery.com/mobile/1.0a2/jquery.mobile-1.0a2.min.css" />
+     <style type="text/css">
+     .ui-navbar {
+     padding-bottom: 18px;
+     width: 100%;
+     }
+</style>
 	<script src="http://code.jquery.com/jquery-1.4.3.min.js"></script><script type="text/javascript" 
 src="http://code.jquery.com/mobile/1.0a2/jquery.mobile-1.0a2.min.js"></script> 
-	<script type="text/javascript" src="docs/docs.js"></script> 
  <meta name="apple-mobile-web-app-capable" content="yes" />
  <meta name="apple-mobile-web-app-status-bar-style" content="black" />
  <link rel="apple-touch-startup-image" href="startup.png" />
@@ -34,7 +39,6 @@
  
 	<div data-role="header"> 
 		<h1>'.$pageTitle.'</h1>
-                <a href="index.php" data-icon="back" class="ui-btn-right">Home</a>
 	</div><!-- /header -->
         <div data-role="content"> ';
 }
@@ -87,31 +91,71 @@
   return $f;
 }
 
-function staticmap($mapPoints)
+function staticmap($mapPoints, $zoom = 0, $markerImage = "iconb")
 {
 $width = 300;
 $height = 300;
-$zoom = 0;
+$metersperpixel[9]=305.492*$width;
+$metersperpixel[10]=152.746*$width;
+$metersperpixel[11]=76.373*$width;
+$metersperpixel[12]=38.187*$width;
+$metersperpixel[13]=19.093*$width;
+$metersperpixel[14]=9.547*$width;
+$metersperpixel[15]=4.773*$width;
+$metersperpixel[16]=2.387*$width;
+// $metersperpixel[17]=1.193*$width;
 $center = "";
 $markers = "";
-
-    if (sizeof($mapPoints) < 1) return "";
+$minlat = 999;
+$minlon = 999;
+$maxlat = 0;
+$maxlon = 0;
+
+    if (sizeof($mapPoints) < 1) return "map error";
     if (sizeof($mapPoints) === 1) {
-         $zoom = 14;
-            $markers .= $mapPoint[0].",".$mapPoint[1].",ol-marker";
+         if ($zoom == 0) $zoom = 14;
+            $markers .= "{$mapPoints[0][0]},{$mapPoints[0][1]},$markerimage";
             $center = "{$mapPoints[0][0]},{$mapPoints[0][1]}";        
     } else {
         foreach ($mapPoints as $index => $mapPoint) {
-            $markers .= $mapPoint[0].",".$mapPoint[1].",lightblue".($index+1);
+            $markers .= $mapPoint[0].",".$mapPoint[1].",".$markerImage.($index+1);
             if ($index+1 != sizeof($mapPoints)) $markers .= "|";
+            if ($mapPoint[0] < $minlat) $minlat = $mapPoint[0];
+            if ($mapPoint[0] > $maxlat) $maxlat = $mapPoint[0];
+            if ($mapPoint[1] < $minlon) $minlon = $mapPoint[1];
+            if ($mapPoint[1] > $maxlon) $maxlon = $mapPoint[1];
             $totalLat += $mapPoint[0];
             $totalLon += $mapPoint[1];
         }
-        $zoom = 11;
+        if ($zoom == 0) {
+            $mapwidthinmeters = distance($minlat,$minlon,$minlat,$maxlon);
+            foreach (array_reverse($metersperpixel,true) as $zoomLevel => $maxdistance)
+            {
+                if ($zoom == 0 && $mapwidthinmeters < ($maxdistance + 50)) $zoom = $zoomLevel;
+            }
+        }
        $center = $totalLat/sizeof($mapPoints).",".$totalLon/sizeof($mapPoints);
     }
     
     return '<img src="staticmaplite/staticmap.php?center='.$center.'&zoom='.$zoom.'&size='.$width.'x'.$height.'&maptype=mapnik&markers='.$markers.'" width='.$width.' height='.$height.'>';
+}
+
+function distance($lat1, $lng1, $lat2, $lng2)
+{
+	$pi80 = M_PI / 180;
+	$lat1 *= $pi80;
+	$lng1 *= $pi80;
+	$lat2 *= $pi80;
+	$lng2 *= $pi80;
+
+	$r = 6372.797; // mean radius of Earth in km
+	$dlat = $lat2 - $lat1;
+	$dlng = $lng2 - $lng1;
+	$a = sin($dlat / 2) * sin($dlat / 2) + cos($lat1) * cos($lat2) * sin($dlng / 2) * sin($dlng / 2);
+	$c = 2 * atan2(sqrt($a), sqrt(1 - $a));
+	$km = $r * $c;
+
+	return $km * 1000;
 }
 
 function decodePolylineToArray($encoded)
@@ -202,7 +246,8 @@
        $url = "http://geocoding.cloudmade.com/daa03470bb8740298d4b10e3f03d63e6/geocoding/v2/find.js?query=".$query."&bbox=-35.5,149.00,-35.15,149.1930&return_location=true&bbox_only=true";
       $contents = json_decode(getPage($url));
       if ($giveOptions) return $contents->features;
-      else return $contents->features[0]->centroid->coordinates[0].",".$contents->features[0]->centroid->coordinates[1];
+      elseif (isset($contents->features[0]->centroid)) return $contents->features[0]->centroid->coordinates[0].",".$contents->features[0]->centroid->coordinates[1];
+      else return "";
 }
 
 function reverseGeocode($lat,$lng) {
@@ -210,6 +255,16 @@
       $contents = json_decode(getPage($url));
       return $contents->features[0]->properties->name;
 }
+
+function startsWith($haystack,$needle,$case=true) {
+    if($case){return (strcmp(substr($haystack, 0, strlen($needle)),$needle)===0);}
+    return (strcasecmp(substr($haystack, 0, strlen($needle)),$needle)===0);
+}
+
+function endsWith($haystack,$needle,$case=true) {
+    if($case){return (strcmp(substr($haystack, strlen($haystack) - strlen($needle)),$needle)===0);}
+    return (strcasecmp(substr($haystack, strlen($haystack) - strlen($needle)),$needle)===0);
+}
 ?>