// A CityMarker is a simple overlay that outlines a lat/lng bounds on the
// map. It has a border of the given weight and color and can optionally
// have a semi-transparent background color.
function CityMarker(bounds, opt_weight, opt_color) {
  this.bounds_ = new GLatLngBounds(bounds, bounds);
  this.weight_ = opt_weight || 2;
  this.color_ = opt_color || "#888888";
}
CityMarker.prototype = new GOverlay();

// Creates the DIV representing this CityMarker.
CityMarker.prototype.initialize = function(map) 
{
  // Create the DIV representing our CityMarker
  var div = document.createElement("div");
  div.style.border = this.weight_ + "px solid " + this.color_;
  div.style.position = "absolute";

  // Our CityMarker is flat against the map, so we add our selves to the
  // MAP_PANE pane, which is at the same z-index as the map itself (i.e.,
  // below the marker shadows)
  map.getPane(G_MAP_MAP_PANE).appendChild(div);

  this.map_ = map;
  this.div_ = div;
}

// Remove the main DIV from the map pane
CityMarker.prototype.remove = function() {
  this.div_.parentNode.removeChild(this.div_);
}

// Copy our data to a new CityMarker
CityMarker.prototype.copy = function() {
  return new CityMarker(this.bounds_, this.weight_, this.color_,
                       this.backgroundColor_, this.opacity_);
}

// Redraw the CityMarker based on the current projection and zoom level
CityMarker.prototype.redraw = function(force) {
  // We only need to redraw if the coordinate system has changed
  if (!force) return;

/*
  // Calculate the DIV coordinates of two opposite corners of our bounds to
  // get the size and position of our CityMarker
  var c1 = this.map_.fromLatLngToDivPixel(this.bounds_.getSouthWest());
  var c2 = this.map_.fromLatLngToDivPixel(this.bounds_.getNorthEast());

  // Now position our DIV based on the DIV coordinates of our bounds
  this.div_.style.width = Math.abs(c2.x - c1.x) + "px";
  this.div_.style.height = Math.abs(c2.y - c1.y) + "px";
  this.div_.style.left = (Math.min(c2.x, c1.x) - this.weight_) + "px";
  this.div_.style.top = (Math.min(c2.y, c1.y) - this.weight_) + "px";
*/  
}

/*
var map = new GMap2(document.getElementById("map"));
map.addControl(new GSmallMapControl());
map.addControl(new GMapTypeControl());
map.setCenter(new GLatLng(37.4419, -122.1419), 13);

// Display a CityMarker in the center of the map at about a quarter of
// the size of the main map
var bounds = map.getBounds();
var southWest = bounds.getSouthWest();
var northEast = bounds.getNorthEast();
var lngDelta = (northEast.lng() - southWest.lng()) / 4;
var latDelta = (northEast.lat() - southWest.lat()) / 4;
var rectBounds = new GLatLngBounds(
    new GLatLng(southWest.lat() + latDelta, southWest.lng() + lngDelta),
    new GLatLng(northEast.lat() - latDelta, northEast.lng() - lngDelta));
map.addOverlay(new CityMarker(rectBounds));
*/