Added GoogleMaps integration

Including width/height options for google maps and pie chart. The
format can change later

lib/Haanga/lib/Haanga/Extension/Filter/GoogleMaps.php

+<?php
+
+class Haanga_Extension_Filter_GoogleMaps{
+  public $is_safe = TRUE;
+  static function main($obj, $varname){
+  	$data = "";
+  	$i = 0;
+  	$j = 0;
+  	$randId = rand();
+  	$firstColumn = true;
+  	$names = explode(",", $varname);
+  	$north = -90; $south=90; $east=-180; $west = 180;
+  	$latArr =""; $longArr=""; $nameArr = "";
+  	$w = "400";
+  	$h = "300";
+  	
+  	if($names[3] != null && $names[3] != ""){
+  	  $w = $names[3];
+  	}
+  	if($names[4] != null && $names[4] != ""){
+  	  $h = $names[4];
+  	}
+  	
+  	foreach($obj as $k){
+  	  if(!$firstColumn){
+  	  	$latArr  .= ', ';
+  	  	$longArr .= ', ';
+  	  	$nameArr .= ', ';
+  	  }
+  	  $latArr  .= $k->$names[0]->value;
+  	  if($north < $k->$names[0]->value){
+  	  	$north = $k->$names[0]->value;
+  	  }
+  	  if($south > $k->$names[0]->value){
+  	  	$south = $k->$names[0]->value;
+  	  }
+  	  
+  	  $longArr .= $k->$names[1]->value;
+  	  if($west > $k->$names[1]->value){
+  	  	$west = $k->$names[1]->value;
+  	  }
+  	  if($east < $k->$names[1]->value){
+  	  	$east = $k->$names[1]->value;
+  	  }  	  
+  	  
+  	  $nameArr .= $k->$names[2]->value;
+  	  $firstColumn = false;
+  	}
+  	
+  	$pre = "<div id='map_canvas_".$randId."' style='width: ".$w."px; height: ".$h."px'></div><script type='text/javascript'
+  	src='http://maps.googleapis.com/maps/api/js?sensor=false'></script>
+    <script type='text/javascript'>
+    function initialize() {
+	  var myOptions = {
+	  zoom: 4,
+	  center: new google.maps.LatLng(0, 0),
+	  mapTypeId: google.maps.MapTypeId.ROADMAP
+	  };
+	  
+	  var map = new google.maps.Map(document.getElementById('map_canvas_".$randId."'),
+	  myOptions);
+	  
+	  var southWest = new google.maps.LatLng(".$south.", ".$west.");
+	  var northEast = new google.maps.LatLng(".$north.", ".$east.");
+	  
+	  var bounds = new google.maps.LatLngBounds(southWest, northEast);
+	  map.fitBounds(bounds);
+	  
+	  var lngSpan = northEast.lng() - southWest.lng();
+	  var latSpan = northEast.lat() - southWest.lat();
+	  
+	  var latArray = [".$latArr."];
+	  var lonArray = [".$longArr."];
+	  var labelArray = [".$nameArr."];
+	  
+	  for (var i = 0; i < latArray.length; i++) {
+	  var position = new google.maps.LatLng(latArray[i], lonArray[i]);
+	  var marker = new google.maps.Marker({
+	  position: position,
+	  map: map
+	  });
+	  
+	  marker.setTitle(labelArray[i]);
+	  var infowindow = new google.maps.InfoWindow({
+	  content: labelArray[i]
+	  });     
+	  google.maps.event.addListener(marker, 'click', function() {
+	  infowindow.open(marker.get('map'), marker);
+	  });
+	  }
+    }
+        
+    google.maps.event.addDomListener(window, 'load', initialize);
+    </script>";
+    return $pre;
+  }
+}

lib/Haanga/lib/Haanga/Extension/Filter/GoogleVizPieChart.php

+<?php
+
+class Haanga_Extension_Filter_GoogleVizPieChart{
+  public $is_safe = TRUE;
+  static function main($obj, $varname){
+  	$data = "";
+  	$i = 0;
+  	$randId = rand();
+  	$firstColumn = true;
+  	$names = explode(",", $varname);
+  	$w = "400";
+  	$h = "300";
+  	
+  	if($names[3] != null && $names[3] != ""){
+  	  $w = $names[3];
+  	}
+  	if($names[4] != null && $names[4] != ""){
+  	  $h = $names[4];
+  	}
+  	
+  	$data .= "data.addColumn('string', '".$names[0]."');";
+    $data .= "data.addColumn('number', '".$names[1]."');";
+  	foreach($obj as $k){  	  
+  	  $data .="        data.setCell($i, 0, '".$k->$names[0]->value."');\n";
+  	  $data .="        data.setCell($i, 1, ".$k->$names[1]->value.");\n";
+  	  $i++;
+  	}
+  	
+  	$pre = "<div id='piechart_div_".$randId."' style='width: ".$w."px; height: ".$h."px'></div><script type='text/javascript' src='https://www.google.com/jsapi'></script>
+    <script type='text/javascript'>
+    google.load('visualization', '1', {packages:['corechart']});
+    google.setOnLoadCallback(drawChart_".$randId.");
+    function drawChart_".$randId."() {
+    var data = new google.visualization.DataTable();
+    data.addRows(".$i.");\n
+    ".$data."    var piechart = new google.visualization.PieChart(document.getElementById('piechart_div_".$randId."'));
+    piechart.draw(data);
+    }
+    </script>";
+    return $pre;
+  }
+}

lib/Haanga/lib/Haanga/Extension/Filter/GoogleVizTable.php

@@ -6,6 +6,7 @@ class Haanga_Extension_Filter_GoogleVizTable{
   	$data = "";
   	$i = 0;
   	$j = 0;
+  	$randId = rand();
   	$names = explode(",", $varname);
   	foreach($names as $v){
   	  $data .= "        data.addColumn('string', '".$v."');\n";
@@ -19,14 +20,14 @@ class Haanga_Extension_Filter_GoogleVizTable{
   	  $j=0;
   	}
   	
-  	$pre = "<div id='table_div'></div><script type='text/javascript' src='https://www.google.com/jsapi'></script>
+  	$pre = "<div id='table_div_".$randId."'></div><script type='text/javascript' src='https://www.google.com/jsapi'></script>
     <script type='text/javascript'>
     google.load('visualization', '1', {packages:['table']});
     google.setOnLoadCallback(drawTable);
     function drawTable() {
     var data = new google.visualization.DataTable();
     data.addRows(".$i.");\n
-".$data."    var table = new google.visualization.Table(document.getElementById('table_div'));
+".$data."    var table = new google.visualization.Table(document.getElementById('table_div_".$randId."'));
 table.draw(data, {showRowNumber: true, width: '80%'});
     }
     </script>";