// Author: Aditya Raj
// Dated:  20th August 2007

location_loader = {
	
  init: function(options){
		this.options = options;
		this.selector = $(this.options.selector);
    Event.observe(this.selector, 'change', this.loadAddress.bindAsEventListener(this));
    for(var i=0; i < this.options.data.length; i++){

		  this.selector.options[this.selector.options.length] = new Option(this.options.data[i].name, i);
		}
		Event.observe(window, 'load', this.loadAll.bindAsEventListener(this));
	},

	loadAddress: function(event){
    var selectedOffice = this.options.data[Event.element(event).getValue()];
    if (this.selector.value == 'Show All'){
      $('officeInfo').innerHTML = "";
      return this.loadAll();
    }
    if(!selectedOffice) return false;
		var geocoder = new GClientGeocoder();
                this.map = new GMap2($(this.options.mapContainer));
		this.from_address = selectedOffice.address
                geocoder.getLatLng(this.from_address, this.loadMap.bindAsEventListener(this));
		var info = this.from_address;
		if(selectedOffice.lobby) info += "<br/>Lobby: " + selectedOffice.lobby;
		if(selectedOffice.drive_in) info += "<br/>Drive-in: " + selectedOffice.drive_in;
		if(selectedOffice.office) info += "<br/>Office: " + selectedOffice.office;
		if(selectedOffice.telephone) info += "<br/>Telephone: " + selectedOffice.telephone;
		if(selectedOffice.fax) info += "<br/>Fax: " + selectedOffice.fax;
    $('officeInfo').innerHTML = info;
  	},

  show_google_from_to_map: function(){
    var to = $('text_box').value;
    // blank and empty are defined in prototype 1.5.1
    if (to==""){ return alert ('Adress is blank !'); }
    // else simply call the google's map in new window
    else{ 
      // http://maps.google.com/?q=<from>+to+<to>
      from = this.from_address;
      from = from.gsub(' ','+');
      to = to.gsub(' ','+');
      url = "http://maps.google.com/?q=" + from + '+to+' + to
      window.open(url);
    }
  },
	loadAll: function(){
		this.map = new GMap2($(this.options.mapContainer));
		for(var i=0; i<this.options.data.length; i++){
			var geocoder = new GClientGeocoder();
			geocoder.getLatLng(this.options.data[i].address, this.loadMap.bindAsEventListener(this));
		}
	},
	
	loadMap: function(point){
		this.map.setCenter(point, 12);
		var marker = new GMarker(point);
		this.map.addOverlay(marker);
		this.map.addControl(new GSmallMapControl());
    GEvent.addListener(marker, 'click', function(){marker.openInfoWindowHtml("<div style='color: black; font-family: verdana;font-size: 12px;'>Please fill in your address.</div><textarea rows='2' cols='20' name ='text_box' id = 'text_box'></textarea>" + 
    "<br /><a style='color: blue; text-decoration: underline; font-family: verdana;font-size: 12px;' href='javascript:void(0)' onclick='location_loader.show_google_from_to_map()'>Find my directions...</a>");});
  
	}
};