YM4R on rails

Rails 當中使用 Google Map：YM4R
rails 2.2.2中ym4r 的bug的修補
google map on Rails
<br />#View<br /><%= link_to_remote('Update', {:url => { :action => "update"}, :method => :put }) %><br /><br />#Controller<br /> # bind the Ruby @map variable to the JS variable map,<br /> # which already exists in the client browser.<br /> # map is by default the name given to a map created from YM4R/GM<br /> # (this could be overriden by passing a second argument to<br /> # the GMap constructor). <br /> #可以從js 拿到變數值 太強啦<br /> @map = Variable.new("map")<br /><br /> # create a marker.<br /> @marker = GMarker.new([24.9,121.6],<br /> :title => "Update",<br /> :info_window => "I have been placed through RJS")<br /><br /> respond_to do |format|<br /> if @location.update_attributes(params[:location])<br /> flash[:notice] = 'Location was successfully updated.'<br /> format.html { redirect_to(@location) }<br /> format.xml { head :ok }<br /> format.js {<br /> render :update do |page|<br /> #clear the map of all overlays.<br /> page << @map.clear_overlays<br /> #Then I add the marker.<br /> page << @map.add_overlay(@marker)<br /> end<br /> }<br /> else<br /> format.html { render :action => "edit" }<br /> format.xml { render :xml => @location.errors, :status => :unprocessable_entity }<br /> end<br /> end<br /> <br />