// The global variable containing the clinic_obj
var global_location_obj;
var global_gdir;
var map;
// Load the google map
function gmap_load() {
if (GBrowserIsCompatible()) {
map = new GMap2(document.getElementById("map"));
// Add pan and zoom controls
map.addControl(new GLargeMapControl()); // Slider
map.addControl(new GMapTypeControl());
// Set map center on Saint Louis, MO
var pt = new GLatLng(38.66085,-90.197754);
map.setCenter(pt, 10);
// Load the various locations into the map
load_locations(map);
// Prepare the gdir object
var directions_panel = document.getElementById("directions_panel");
global_gdir = new GDirections(map, directions_panel);
GEvent.addListener(global_gdir, "error", handleErrors);
}
return false;
}
/* Function borrowed from http://www.google.com/apis/maps/documentation/directionsAdvanced.html */
function handleErrors(){
if (global_gdir.getStatus().code == G_GEO_UNKNOWN_ADDRESS)
alert("No corresponding geographic location could be found for one of the specified addresses. This may be due to the fact that the address is relatively new, or it may be incorrect.\nError code: " + global_gdir.getStatus().code);
else if (global_gdir.getStatus().code == G_GEO_SERVER_ERROR)
alert("A geocoding or directions request could not be successfully processed, yet the exact reason for the failure is not known.\n Error code: " + gdir.getStatus().code);
else if (global_gdir.getStatus().code == G_GEO_MISSING_QUERY)
alert("The HTTP q parameter was either missing or had no value. For geocoder requests, this means that an empty address was specified as input. For directions requests, this means that no query was specified in the input.\n Error code: " + global_gdir.getStatus().code);
else if (global_gdir.getStatus().code == G_GEO_BAD_KEY)
alert("The given key is either invalid or does not match the domain for which it was given. \n Error code: " + global_gdir.getStatus().code);
else if (global_gdir.getStatus().code == G_GEO_BAD_REQUEST)
alert("A directions request could not be successfully parsed.\n Error code: " + globa_gdir.getStatus().code);
else
alert("An unknown error occurred.");
return;
}
function load_locations(map) {
// Add each location to the map
// Requires you to declare a JSON object called locn_objs
var i;
for (i = 0; i < location_objs.length; ++i) {
var location_obj = location_objs[i];
if (location_obj.latitude && location_obj.longitude) {
var pt = new GLatLng(location_obj.latitude, location_obj.longitude);
var gmarker = new GMarker(pt, {clickable: true});
var handler_obj = new map_obj_handler(location_obj, gmarker);
// Allows you to click and see info
map.addOverlay(gmarker);
GEvent.addListener(
gmarker,
"click",
handler_obj.handler
);
// Create a link on the page that will open this marker up
var page_link_div = document.getElementById("location" + i);
if (page_link_div) {
var anchor = document.createElement("a");
anchor.onclick = handler_obj.handler;
anchor.href = "#map";
anchor.innerHTML = "Show on map";
var div = document.createElement("div");
div.appendChild(anchor);
page_link_div.appendChild(div);
}
}
}
return;
}
// Object to create persistence in handlers
function map_obj_handler(location_obj, gmarker) {
this.location_obj = location_obj;
this.gmarker = gmarker;
this.handler = function() {
// Save this marker as the clinic you're looking at
global_location_obj = location_obj;
gmarker.openInfoWindowHtml(generate_select_direction_window());
return;
}
}
// Convert the location_object's address to something useful for GMaps
function toGAddress(location_obj) {
return location_obj.address + ", " + location_obj.city + ", " + location_obj.state;
}
// Convert the location_object's data into something printable by HTML
function toHTML(location_obj) {
var string = new String();
if (location_obj.website) {
string += "";
string += "";
string += location_obj.name + "
\n";
}
else {
string += "" + location_obj.name + "
\n";
}
string += location_obj.address + "
\n";
string += location_obj.city + ", " + location_obj.state + "
\n";
string += location_obj.phone;
return string;
}
function inputDirectionsTo(gAddress) {
// First get access to the content of the menu
var info_window = map.getInfoWindow();
var info_window_locn = info_window.getPoint();
// Create the new menu
var fromClickAction = "inputDirectionsFrom('" + gAddress + "');";
var dir_string = "Get directions: ";
dir_string += "To here - ";
dir_string += "From here
\n";
dir_string += "Start address
\n";
dir_string += "";
// Have a back button that just returns to the original state of the address
dir_string += "«Back";
var big_string = toHTML(global_location_obj) + "
" + dir_string + "
";
map.openInfoWindowHtml(info_window_locn, big_string);
return;
}
function inputDirectionsFrom(gAddress) {
// First get access to the content of the menu
var info_window = map.getInfoWindow();
var info_window_locn = info_window.getPoint();
// Create the new menu
var toClickAction = "inputDirectionsTo('" + gAddress + "');";
var dir_string = "Get directions: ";
dir_string += "To here -\n";
dir_string += "From here
";
dir_string += "End address
\n";
dir_string += "\n";
// Have a back button that just returns to the original state of the address
dir_string += "«Back";
var big_string = toHTML(global_location_obj) + "
" + dir_string + "
";
map.openInfoWindowHtml(info_window_locn, big_string);
return;
}
function getDirectionsTo(fromAddress) {
var query_string = "from: " + fromAddress + " to:" + toGAddress(global_location_obj);
global_gdir.load(query_string);
map.closeInfoWindow();
return;
}
function getDirectionsFrom(toAddress) {
var query_string = "from: " + toGAddres(global_location_obj) + " to:" + toAddress;
global_gdir.load(query_string);
map.closeInfoWindow();
return;
}
// Restores the window_menu to selecting directions (called by back button)
function restore_direction_menu() {
var info_window = map.getInfoWindow();
var info_window_locn = info_window.getPoint();
map.openInfoWindowHtml(info_window_locn, generate_select_direction_window());
return;
}
function generate_select_direction_window() {
//Create the area as a DOM node for future access
var caption_string = "\n" + toHTML(global_location_obj) + "
\n";
// Add directions
var toClickAction = "inputDirectionsTo('" + toGAddress(global_location_obj) + "'); return false;";
var fromClickAction = "inputDirectionsFrom('" + toGAddress(global_location_obj) + "'); return false;";
caption_string += "
";
return caption_string;
}