Add Google Directions Map to your forum

in Tutorials on 23 Feb 2010

Add Google Directions Map to your forum

Demo: Link

Get the google API key here:

Create a new file called maps.php in your forum root.

Once created add the following inside the file:
<?php require("/home/**************/public_html/SSI.php");
$context['page_title_html_safe'] = 'Google Directions';

<script src=";v=2.x&amp;key=GOOGLE KEY GOES HERE"
<script type="text/javascript">'

var map;
var gdir;
var geocoder = null;
var addressMarker;

function initialize() {
if (GBrowserIsCompatible()) {
map = new GMap2(document.getElementById("map_canvas"));
gdir = new GDirections(map, document.getElementById("directions"));
GEvent.addListener(gdir, "load", onGDirectionsLoad);
GEvent.addListener(gdir, "error", handleErrors);

setDirections("San Diego", "3666 Madison Ave. San Diego, CA 92116", "en_US");

function setDirections(fromAddress, toAddress, locale) {
gdir.load("from: " + fromAddress + " to: " + toAddress,
{ "locale": locale });

function handleErrors(){
if (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: " + gdir.getStatus().code);
else if (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 (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: " + gdir.getStatus().code);

// else if (gdir.getStatus().code == G_UNAVAILABLE_ADDRESS) <--- Doc bug... this is either not defined, or Doc is wrong
// alert("The geocode for the given address or the route for the given directions query cannot be returned due to legal or contractual reasons.\n Error code: " + gdir.getStatus().code);

else if (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: " + gdir.getStatus().code);

else if (gdir.getStatus().code == G_GEO_BAD_REQUEST)
alert("A directions request could not be successfully parsed.\n Error code: " + gdir.getStatus().code);

else alert("An unknown error occurred.");


function onGDirectionsLoad(){
// Use this function to access information about the latest load()
// results.

// e.g.
// document.getElementById("getStatus").innerHTML = gdir.getStatus().code;
// and yada yada yada...

<body onload="initialize()" onunload="GUnload()">

<form action="#" onsubmit="setDirections(this.from.value,, this.locale.value); return false">

<tr><th align="right">From:&nbsp;</th>

<td><input type="text" size="27" id="fromAddress" name="from"
value="San Diego"/></td>
<th align="right">&nbsp;&nbsp;To:&nbsp;</th>
<td align="right"><input type="text" size="27" id="toAddress" name="to"
value="3666 Madison Ave. San Diego, CA 92116" /></td></tr>

<td colspan="3"><select id="locale" name="locale">
<option value="en" selected>English</option>
<option value="fr">French</option>
<option value="de">German</option>
<option value="ja">Japanese</option>
<option value="es">Spanish</option>

<input name="submit" type="submit" value="Get Directions!" />
<tr><th>Formatted Directions</th><th>Map</th></tr>
<td valign="top"><div id="directions" style="width: 250px"></div></td>
<td valign="top"><div id="map_canvas" style="width: 650px; height: 400px"></div></td>

template_footer(); ?>

Replace the omitted part here with the path of your forum in line 1:
Replace "GOOGLE KEY GOES HERE" in the code with your google API key number.

Should be available to see at

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