Added support for 'dragend' event in v3 API

README.markdown

@@ -103,6 +103,41 @@ Here is another example with custom icons + clustering
   @map.markers << marker2
 </code></pre>
 
+Here is an example of handling a marker being dropped.
+
+In your controller...
+<pre><code>
+  @map = Cartographer::Gmap.new( 'map' )
+  @map.zoom = :bound
+  @map.icons &lt;&lt; Cartographer::Gicon.new
+  marker1 = Cartographer::Gmarker.new(:name=&gt; &quot;taj_mahal&quot;, :marker_type =&gt; &quot;Building&quot;,
+              :position =&gt; [27.173006,78.042086],
+              :draggable =&gt; true,                                   # make it draggable
+              :drag_end =&gt; 'handleMarkerDrop(mouseEvent.latLng);',  # javascript code to handle the event.
+              :info_window_url =&gt; &quot;/url_for_info_content&quot;)
+  marker2 = Cartographer::Gmarker.new(:name=&gt; &quot;raj_bhawan&quot;, :marker_type =&gt; &quot;Building&quot;,
+              :position =&gt; [28.614309,77.201353],
+              :info_window_url =&gt; &quot;/url_for_info_content&quot;)
+
+  @map.markers &lt;&lt; marker1
+  @map.markers &lt;&lt; marker2
+</code></pre>
+
+In your view...
+<pre><code>
+  # for Rails 3+ you need to make use of 'raw'
+  &lt;%= raw Cartographer::Header.new.to_s %&gt;
+  &lt;%= raw @map.to_html %&gt;
+  &lt;div style=&quot;width:600px;height:400px;&quot; id=&quot;map&quot; &gt; [Map] &lt;/div&gt;
+
+  &lt;script type="text/javascript"&gt;
+    function handleMarkerDrop(latLng){
+      alert('You moved marker to LAT: '+latLng.lat()+' and LNG: '+latLng.lng()+'!');
+    }
+  &lt;/script&gt;
+</code></pre>
+
+
 Adsense for Maps
 ----------------
 

lib/v3/cartographer/gmarker.rb

@@ -1,6 +1,6 @@
 class Cartographer::Gmarker
   #include Reloadable
-  attr_accessor :name, :marker_type, :highlight, :icon, :position, :click, :info_window, :info_window_url, :map, :min_zoom, :max_zoom, :dblclick, :draggable
+  attr_accessor :name, :marker_type, :highlight, :icon, :position, :click, :info_window, :info_window_url, :map, :min_zoom, :max_zoom, :dblclick, :draggable, :drag_end
 
   def initialize(options = {})
     @name = options[:name] || "marker"
@@ -9,6 +9,7 @@ def initialize(options = {})
     @icon = options[:icon] || Cartographer::Gicon.new
     @click = options[:click] # javascript to execute on click
     @dblclick = options[:dblclick] # javascript to execute on double click
+    @drag_end = options[:drag_end] # javascript to execute on dragend event
     @info_window = options[:info_window] # html to pop up on click
     @info_window_url = options[:info_window_url] # html to pop up on click fetched from a URL
     @map = options[:map]
@@ -75,6 +76,10 @@ def to_js(marker_mgr_flag = false, marker_clusterer_flag = false)
       script << "google.maps.event.addListener(#{name}, 'dblclick', function() {#{@dblclick}});\n"
     end
 
+    if @drag_end
+      script << "google.maps.event.addListener(#{name}, 'dragend', function(mouseEvent) {#{@drag_end}});\n"
+    end
+
     script << "  // Add the marker to a new overlay on the map" if @debug
     script << "  #{@name}.setMap(#{@map.dom_id});\n" if self.highlight || (!marker_mgr && !marker_clusterer)
     return @debug? script.join("\n  ") : script.join.gsub(/\s+/, ' ')

spec/gmarker_spec.rb

@@ -46,6 +46,16 @@
 
   end
 
+  it "should accept configuration for dragend event" do
+    marker = Cartographer::Gmarker.new(:name=> "org11", :marker_type => "Organization",
+              :position => [ 36.031332, -21.093750],
+              :drag_end => "alert(\"DragEnd Works!\");",
+              :icon => @icon,
+              :map=>@map)
+    marker.to_js().should include("google.maps.event.addListener(org11, 'dragend', function(mouseEvent) {alert(\"DragEnd Works!\");});")
+
+  end
+
   it "should accept configuration for info window url" do
     marker = Cartographer::Gmarker.new(:name=> "org11", :marker_type => "Organization",
               :position => [ 36.031332, -21.093750],