adopt-a-hydrant/app/views/javascripts/main.js.erb

$(function() {
  var latlng = new google.maps.LatLng(42.358431, -71.059773);
  var myOptions = {
    mapTypeControl: false,
    scaleControl: true,
    scaleControlOptions: {
      position: google.maps.ControlPosition.BOTTOM_CENTER
    },
    zoom: 15,
    center: latlng,
    mapTypeId: google.maps.MapTypeId.ROADMAP
  };
  var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
  var activeHydrantId;
  var activeMarker;
  var activeInfoWindow;
  var hydrantIds = [];
  function addMarker(hydrantId, point, color) {
    if($.inArray(hydrantId, hydrantIds) != -1) {
      return;
    }
    var image = new google.maps.MarkerImage(color,
      new google.maps.Size(27.0, 37.0),
      new google.maps.Point(0, 0),
      new google.maps.Point(13.0, 18.0)
    );
    var shadow = new google.maps.MarkerImage('/images/markers/shadow.png',
      new google.maps.Size(46.0, 37.0),
      new google.maps.Point(0, 0),
      new google.maps.Point(13.0, 18.0)
    );
    var marker = new google.maps.Marker({
      animation: google.maps.Animation.DROP,
      icon: image,
      map: map,
      position: point,
      shadow: shadow
    });
    google.maps.event.addListener(marker, 'click', function() {
      if(activeInfoWindow) {
        activeInfoWindow.close();
      }
      $.get('<%= forms_path %>', {
        'hydrant_id': hydrantId
      }, function(data) {
        var infoWindow = new google.maps.InfoWindow({
          content: data,
          maxWidth: 350
        });
        infoWindow.open(map, marker);
        activeHydrantId = hydrantId;
        activeMarker = marker;
        activeInfoWindow = infoWindow;
      });
    });
    hydrantIds.push(hydrantId);
  }
  $('#location_form').submit(function() {
    if($('#address').val() === '') {
      $('#address_label').addClass('error', 500);
      $('#address').addClass('error', 500);
      $('#address').focus();
    } else {
      $.get('<%= address_path :format => "json" %>', {
        'commit': $('#location_submit').val(),
        'utf8': '✓',
        'authenticity_token': $('#location_form input[name="authenticity_token"]').val(),
        'city_state': $('#city_state').val(),
        'address': $('#address').val()
      }, function(data) {
        if(data.errors) {
          $('#address_label').addClass('error', 500);
          $('#address').addClass('error', 500);
          $('#address').focus();
        } else {
          map.setZoom(18);
          latlng = new google.maps.LatLng(data[0], data[1]);
          map.setCenter(latlng);
          $.get('<%= hydrants_path :format => "json" %>', {
            'commit': $('#location_submit').val(),
            'utf8': '✓',
            'authenticity_token': $('#location_form input[name="authenticity_token"]').val(),
            'lat': data[0],
            'lng': data[1]
          }, function(data) {
            // This should never happen, but just in case
            if(data.errors) {
              $('#address_label').addClass('error', 500);
              $('#address').addClass('error', 500);
              $('#address').focus();
            } else {
              $(data).each(function(index, hydrant) {
                hydrant = hydrant.hydrant;
                point = new google.maps.LatLng(hydrant.lat, hydrant.lng);
                color = '/images/markers/' + (hydrant.user_id ? "green" : "red") + '.png';
                addMarker(hydrant.id, point, color);
              });
            }
          });
        }
      });
    }
    return false;
  });
  $('#combo_form input[type="radio"]').live('click', function() {
    var self = $(this);
    if('new' == self.val()) {
      $('#user_forgot_password_fields').slideUp();
      $('#user_sign_in_fields').slideUp();
      $('#user_sign_up_fields').slideDown();
      $('#combo_form').data('state', 'user_sign_up');
    } else if('existing' == self.val()) {
      $('#user_sign_up_fields').slideUp();
      $('#user_sign_in_fields').slideDown(function() {
      $('#combo_form').data('state', 'user_sign_in');
        $('#user_forgot_password_link').click(function() {
          $('#user_sign_in_fields').slideUp();
          $('#user_forgot_password_fields').slideDown(function() {
            $('#user_remembered_password').click(function() {
              $('#user_forgot_password_fields').slideUp();
              $('#user_sign_in_fields').slideDown();
              $('#combo_form').data('state', 'user_sign_in');
            });
          });
          $('#combo_form').data('state', 'user_forgot_password');
        });
      });
    }
  });
  $('#combo_form').live('submit', function() {
    var errors = []
    if(!/[\w\.%\+\]+@[\w\]+\.+[\w]{2,}/.test($('#user_email').val())) {
      errors.push($('#user_email'));
      $('#user_email_label').addClass('error', 500);
      $('#user_email').addClass('error', 500);
    } else {
      $('#user_email_label').removeClass('error');
      $('#user_email').removeClass('error');
    }
    if(!$(this).data('state') || $(this).data('state') === 'user_sign_up') {
      if($('#user_name').val() === '') {
        errors.push($('#user_name'));
        $('#user_name_label').addClass('error', 500);
        $('#user_name').addClass('error', 500);
      } else {
        $('#user_name_label').removeClass('error');
        $('#user_name').removeClass('error');
      }
      if($('#user_password_confirmation').val().length < 6 || $('#user_password_confirmation').val().length > 20) {
        errors.push($('#user_password_confirmation'));
        $('#user_password_confirmation_label').addClass('error', 500);
        $('#user_password_confirmation').addClass('error', 500);
      } else {
        $('#user_password_confirmation_label').removeClass('error');
        $('#user_password_confirmation').removeClass('error');
      }
      if(errors.length > 0) {
        errors[0].focus();
      } else {
        $.post('<%= user_registration_path :format => "json" %>', {
          'commit': $('#user_sign_up_submit').val(),
          'utf8': '✓',
          'authenticity_token': $('input[name="authenticity_token"]').val(),
          'user': {
            'email': $('#user_email').val(),
            'name': $('#user_name').val(),
            'organization': $('#user_organization').val(),
            'voice_number': $('#user_voice_number').val(),
            'sms_number': $('#user_sms_number').val(),
            'password': $('#user_password_confirmation').val(),
            'password_confirmation': $('#user_password_confirmation').val()
          }
        }, function(data) {
          if(data.errors) {
            if(data.errors.email) {
              errors.push($('#user_email'));
              $('#user_email_label').addClass('error', 500);
              $('#user_email').addClass('error', 500);
            }
            if(data.errors.name) {
              errors.push($('#user_name'));
              $('#user_name_label').addClass('error', 500);
              $('#user_name').addClass('error', 500);
            }
            if(data.errors.organization) {
              errors.push($('#user_organization'));
              $('#user_organization_label').addClass('error', 500);
              $('#user_organization').addClass('error', 500);
            }
            if(data.errors.voice_number) {
              errors.push($('#user_voice_number'));
              $('#user_voice_number_label').addClass('error', 500);
              $('#user_voice_number').addClass('error', 500);
            }
            if(data.errors.sms_number) {
              errors.push($('#user_sms_number'));
              $('#user_sms_number_label').addClass('error', 500);
              $('#user_sms_number').addClass('error', 500);
            }
            if(data.errors.password) {
              errors.push($('#user_password_confirmation'));
              $('#user_password_confirmation_label').addClass('error', 500);
              $('#user_password_confirmation').addClass('error', 500);
            }
            errors[0].focus();
          } else {
            $.get('<%= forms_path %>', {
              'hydrant_id': activeHydrantId
            }, function(data) {
              activeInfoWindow.setContent(data);
            });
          }
        });
      }
    } else if($(this).data('state') === 'user_sign_in') {
      if($('#user_password').val().length < 6 || $('#user_password').val().length > 20) {
        errors.push($('#user_password'));
        $('#user_password_label').addClass('error', 500);
        $('#user_password').addClass('error', 500);
      } else {
        $('#user_password_label').removeClass('error');
        $('#user_password').removeClass('error');
      }
      if(errors.length > 0) {
        errors[0].focus();
      } else {
        $.post('<%= user_session_path :format => "json" %>', {
          'commit': $('#user_sign_in_submit').val(),
          'utf8': '✓',
          'authenticity_token': $('input[name="authenticity_token"]').val(),
          'user': {
            'email': $('#user_email').val(),
            'password': $('#user_password').val(),
            'remember_me': $('#user_remember_me').val()
          }
        }, function(data) {
          if(data.errors) {
            $('#user_password_label').addClass('error', 500);
            $('#user_password').addClass('error', 500);
            $('#user_password').focus();
          } else {
            $.get('<%= forms_path %>', {
              'hydrant_id': activeHydrantId
            }, function(data) {
              activeInfoWindow.setContent(data);
            });
          }
        });
      }
    } else if($(this).data('state') === 'user_forgot_password') {
      if(errors.length > 0) {
        errors[0].focus();
      } else {
        $.post('<%= user_password_path :format => "json" %>', {
          'commit': $('#user_forgot_password_submit').val(),
          'utf8': '✓',
          'authenticity_token': $('input[name="authenticity_token"]').val(),
          'user': {
            'email': $('#user_email').val()
          }
        }, function(data) {
          if(data.errors) {
            $('#user_email_label').addClass('error', 500);
            $('#user_email').addClass('error', 500);
            $('#user_email').focus();
          } else {
            $('#user_forgot_password_fields').slideUp();
            $('#user_sign_in_fields').slideDown();
          }
        });
      }
    }
    return false;
  });
  $('#adoption_form').live('submit', function() {
    $.post('<%= hydrant_path :format => "json" %>', {
      'id': $('#hydrant_id').val(),
      'commit': $('#adoption_form_submit').val(),
      'utf8': '✓',
      'authenticity_token': $('input[name="authenticity_token"]').val(),
      '_method': 'put',
      'hydrant': {
        'user_id': $('#hydrant_user_id').val(),
        'name': $('#hydrant_name').val()
      }
    }, function(data) {
      $.get('<%= forms_path %>', {
        'hydrant_id': activeHydrantId
      }, function(data) {
        activeInfoWindow.setContent(data);
        image = new google.maps.MarkerImage('/images/markers/green.png',
          new google.maps.Size(27.0, 37.0),
          new google.maps.Point(0, 0),
          new google.maps.Point(13.0, 18.0)
        );
        activeMarker.setIcon(image);
        activeMarker.setAnimation(google.maps.Animation.BOUNCE);
      });
    });
    return false;
  });
});