<?php
/*
*
* This script is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General public License for more details.
*
* This copyright notice MUST APPEAR in all copies of the script!
*
* @author CERDAN Yohann <cerdanyohann@yahoo.fr>
* @copyright (c) 2010 CERDAN Yohann, All rights reserved
* @ version 12/08/2010
*/
if(isset($_GET['source'])) {
highlight_file(__FILE__);
die;
}
class GoogleMapAPI
{
/** GoogleMap ID for the HTML DIV **/
protected $googleMapId = 'googlemapapi';
/** GoogleMap Direction ID for the HTML DIV **/
protected $googleMapDirectionId = 'route';
/** Width of the gmap **/
protected $width = '';
/** Height of the gmap **/
protected $height = '';
/** Icon width of the gmarker **/
protected $iconWidth = 57;
/** Icon height of the gmarker **/
protected $iconHeight = 34;
/** Infowindow width of the gmarker **/
protected $infoWindowWidth = 250;
/** Default zoom of the gmap **/
protected $zoom = 9;
/** Enable the zoom of the Infowindow **/
protected $enableWindowZoom = false;
/** Default zoom of the Infowindow **/
protected $infoWindowZoom = 3;
/** Lang of the gmap **/
protected $lang = 'fr';
/**Center of the gmap **/
protected $center = 'Paris France';
/** Content of the HTML generated **/
protected $content = '';
/** Add the direction button to the infowindow **/
protected $displayDirectionFields = false;
/** Hide the marker by default **/
protected $defaultHideMarker = false;
/** Extra content (marker, etc...) **/
protected $contentMarker = '';
/** Use clusterer to display a lot of markers on the gmap **/
protected $useClusterer = false;
protected $gridSize = 100;
protected $maxZoom = 9;
protected $clustererLibrarypath = 'http://google-maps-utility-library-v3.googlecode.com/svn/tags/markerclusterer/1.0/src/markerclusterer_packed.js';
/** Enable automatic center/zoom **/
protected $enableAutomaticCenterZoom = false;
/** maximum longitude of all markers **/
protected $maxLng = -1000000;
/** minimum longitude of all markers **/
protected $minLng = 1000000;
/** max latitude of all markers **/
protected $maxLat = -1000000;
/** min latitude of all markers **/
protected $minLat = 1000000;
/** map center latitude (horizontal), calculated automatically as markers are added to the map **/
protected $centerLat = null;
/** map center longitude (vertical), calculated automatically as markers are added to the map **/
protected $centerLng = null;
/** factor by which to fudge the boundaries so that when we zoom encompass, the markers aren't too close to the edge **/
protected $coordCoef = 0.01;
/**
* Class constructor
*
* @return void
*/
public function __construct()
{
}
/**
* Set the useClusterer parameter (optimization to display a lot of marker)
*
* @param boolean $useClusterer use cluster or not
* @param int $gridSize grid size (The grid size of a cluster in pixel. Each cluster will be a square. If you want the algorithm to run faster, you can set this value larger. The default value is 100.)
* @param int $maxZoom maxZoom (The max zoom level monitored by a marker cluster. If not given, the marker cluster assumes the maximum map zoom level. When maxZoom is reached or exceeded all markers will be shown without cluster.)
* @param int $clustererLibraryPath clustererLibraryPath
*
* @return void
*/
public function setClusterer($useClusterer,$gridSize=100,$maxZoom=9,$clustererLibraryPath='')
{
$this->useClusterer = $useClusterer;
$this->gridSize = $gridSize;
$this->maxZoom = $maxZoom;
($clustererLibraryPath=='') ? $this->clustererLibraryPath = 'http://google-maps-utility-library-v3.googlecode.com/svn/tags/markerclusterer/1.0/src/markerclusterer_packed.js' : $clustererLibraryPath;
}
/**
* Set the ID of the default gmap DIV
*
* @param string $googleMapId the google div ID
*
* @return void
*/
public function setDivId($googleMapId)
{
$this->googleMapId = $googleMapId;
}
/**
* Set the ID of the default gmap direction DIV
*
* @param string $googleMapDirectionId GoogleMap Direction ID for the HTML DIV
*
* @return void
*/
public function setDirectionDivId($googleMapDirectionId)
{
$this->googleMapDirectionId = $googleMapDirectionId;
}
/**
* Set the size of the gmap
*
* @param int $width GoogleMap width
* @param int $height GoogleMap height
*
* @return void
*/
public function setSize($width,$height)
{
$this->width = $width;
$this->height = $height;
}
/**
* Set the with of the gmap infowindow (on marker clik)
*
* @param int $infoWindowWidth GoogleMap info window width
*
* @return void
*/
public function setInfoWindowWidth ($infoWindowWidth)
{
$this->infoWindowWidth = $infoWindowWidth;
}
/**
* Set the size of the icon markers
*
* @param int $iconWidth GoogleMap marker icon width
* @param int $iconHeight GoogleMap marker icon height
*
* @return void
*/
public function setIconSize($iconWidth,$iconHeight)
{
$this->iconWidth = $iconWidth;
$this->iconHeight = $iconHeight;
}
/**
* Set the lang of the gmap
*
* @param string $lang GoogleMap lang : fr,en,..
*
* @return void
*/
public function setLang($lang)
{
$this->lang = $lang;
}
/**
* Set the zoom of the gmap
*
* @param int $zoom GoogleMap zoom.
*
* @return void
*/
public function setZoom($zoom)
{
$this->zoom = $zoom;
}
/**
* Set the zoom of the infowindow
*
* @param int $zoom GoogleMap zoom.
*
* @return void
*/
public function setInfoWindowZoom($infoWindowZoom)
{
$this->infoWindowZoom = $infoWindowZoom;
}
/**
* Enable the zoom on the marker when you click on it
*
* @param int $zoom GoogleMap zoom.
*
* @return void
*/
public function setEnableWindowZoom($enableWindowZoom)
{
$this->enableWindowZoom = $enableWindowZoom;
}
/**
* Enable theautomatic center/zoom at the gmap load
*
* @param int $zoom GoogleMap zoom.
*
* @return void
*/
public function setEnableAutomaticCenterZoom($enableAutomaticCenterZoom)
{
$this->enableAutomaticCenterZoom = $enableAutomaticCenterZoom;
}
/**
* Set the center of the gmap (an address)
*
* @param string $center GoogleMap center (an address)
*
* @return void
*/
public function setCenter($center)
{
$this->center = $center;
}
/**
* Set the center of the gmap
*
* @param boolean $displayDirectionFields display directions or not in the info window
*
* @return void
*/
public function setDisplayDirectionFields($displayDirectionFields)
{
$this->displayDirectionFields = $displayDirectionFields;
}
/**
* Set the defaultHideMarker
*
* @param boolean $defaultHideMarker hide all the markers on the map by default
*
* @return void
*/
public function setDefaultHideMarker($defaultHideMarker)
{
$this->defaultHideMarker = $defaultHideMarker;
}
/**
* Get the google map content
*
* @return string the google map html code
*/
public function getGoogleMap()
{
return $this->content;
}
/**
* Get URL content using cURL.
*
* @param string $url the url
*
* @return string the html code
*
* @todo add proxy settings
*/
public function getContent($url)
{
$curl = curl_init();
curl_setopt($curl, CURLOPT_TIMEOUT, 10);
curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($curl, CURLOPT_URL, $url);
$data = curl_exec($curl);
curl_close ($curl);
return $data;
}
/**
* Geocoding an address (address -> lat,lng)
*
* @param string $address an address
*
* @return array array with precision, lat & lng
*/
public function geocoding($address)
{
$encodeAddress = urlencode($address);
$url = "http://maps.google.com/maps/geo?q=".$encodeAddress."&output=csv";
if(function_exists('curl_init')) {
$data = $this->getContent($url);
} else {
$data = file_get_contents($url);
}
$csvSplit = preg_split("/,/",$data);
$status = $csvSplit[0];
if (strcmp($status, "200") == 0) {
$return = $csvSplit; // successful geocode, $precision = $csvSplit[1],$lat = $csvSplit[2],$lng = $csvSplit[3];
} else {
$return = null; // failure to geocode
}
return $return;
}
/**
* Add marker by his coord
*
* @param string $lat lat
* @param string $lng lngs
* @param string $html html code display in the info window
* @param string $category marker category
* @param string $icon an icon url
*
* @return void
*/
public function addMarkerByCoords($lat,$lng,$title,$html='',$category='',$icon='')
{
if ($icon=='') {
$icon = 'http://maps.gstatic.com/intl/fr_ALL/mapfiles/markers/marker_sprite.png';
}
// Save the lat/lon to enable the automatic center/zoom
$this->maxLng = (float) max((float)$lng, $this->maxLng);
$this->minLng = (float) min((float)$lng, $this->minLng);
$this->maxLat = (float) max((float)$lat, $this->maxLat);
$this->minLat = (float) min((float)$lat, $this->minLat);
$this->centerLng = (float) ($this->minLng + $this->maxLng) / 2;
$this->centerLat = (float) ($this->minLat + $this->maxLat) / 2;
$this->contentMarker .= "\t".'addMarker(new google.maps.LatLng("'.$lat.'","'.$lng.'"),"'.$title.'","'.$html.'","'.$category.'","'.$icon.'");'."\n";
}
/**
* Add marker by his address
*
* @param string $address an ddress
* @param string $content html code display in the info window
* @param string $category marker category
* @param string $icon an icon url
*
* @return void
*/
public function addMarkerByAddress($address,$title='',$content='',$category='',$icon='')
{
$point = $this->geocoding($address);
if ($point!==null) {
$this->addMarkerByCoords($point[2], $point[3], $title, $content, $category, $icon);
} else {
// throw new Exception('Adress not found : '.$address);
}
}
/**
* Add marker by an array of coord
*
* @param string $coordtab an array of lat,lng,content
* @param string $category marker category
* @param string $icon an icon url
*
* @return void
*/
public function addArrayMarkerByCoords($coordtab,$category='',$icon='')
{
foreach ($coordtab as $coord) {
$this->addMarkerByCoords($coord[0], $coord[1], $coord[2], $coord[3], $category, $icon);
}
}
/**
* Add marker by an array of address
*
* @param string $coordtab an array of address
* @param string $category marker category
* @param string $icon an icon url
*
* @return void
*/
public function addArrayMarkerByAddress($coordtab,$category='',$icon='')
{
foreach ($coordtab as $coord) {
$this->addMarkerByAddress($coord[0], $coord[1], $coord[2], $category, $icon);
}
}
/**
* Set a direction between 2 addresss and set a text panel
*
* @param string $from an address
* @param string $to an address
*
* @return void
*/
public function addDirection($from,$to)
{
$this->contentMarker .= 'addDirection("'.$from.'","'.$to.'");';
}
/**
* Parse a KML file and add markers to a category
*
* @param string $url url of the kml file compatible with gmap and gearth
* @param string $category marker category
* @param string $icon an icon url
*
* @return void
*/
public function addKML ($url,$category='',$icon='')
{
$xml = new SimpleXMLElement($url, null, true);
foreach ($xml->Document->Folder->Placemark as $item) {
$coordinates = explode(',', (string) $item->Point->coordinates);
$name = (string) $item->name;
$this->addMarkerByCoords($coordinates[1], $coordinates[0], $name, $name, $category, $icon);
}
}
/**
* Initialize the javascript code
*
* @return void
*/
public function init()
{
// Google map DIV
if (($this->width!='')&&($this->height!='')) {
$this->content .= "\t".'<div id="'.$this->googleMapId.'" style="width:'.$this->width.';height:'.$this->height.'"></div>'."\n";
} else {
$this->content .= "\t".'<div id="'.$this->googleMapId.'"></div>'."\n";
}
// Google map JS
$this->content .= '<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false&language='.$this->lang.'">';
$this->content .= '</script>'."\n";
// Clusterer JS
if ($this->useClusterer==true) {
$this->content .= '<script src="'.$this->clustererLibraryPath.'" type="text/javascript"></script>'."\n";
}
$this->content .= '<script type="text/javascript">'."\n";
//global variables
$this->content .= 'var geocoder = new google.maps.Geocoder();'."\n";
$this->content .= 'var map;'."\n";
$this->content .= 'var gmarkers = [];'."\n";
$this->content .= 'var infowindow;'."\n";
$this->content .= 'var directions = new google.maps.DirectionsRenderer();'."\n";
$this->content .= 'var directionsService = new google.maps.DirectionsService();'."\n";
$this->content .= 'var current_lat = 0;'."\n";
$this->content .= 'var current_lng = 0;'."\n";
// JS public function to get current Lat & Lng
$this->content .= "\t".'function getCurrentLat() {'."\n";
$this->content .= "\t\t".'return current_lat;'."\n";
$this->content .= "\t".'}'."\n";
$this->content .= "\t".'function getCurrentLng() {'."\n";
$this->content .= "\t\t".'return current_lng;'."\n";
$this->content .= "\t".'}'."\n";
// JS public function to add a marker
$this->content .= "\t".'function addMarker(latlng,title,content,category,icon) {'."\n";
$this->content .= "\t\t".'var marker = new google.maps.Marker({'."\n";
$this->content .= "\t\t\t".'map: map,'."\n";
$this->content .= "\t\t\t".'title : title,'."\n";
$this->content .= "\t\t\t".'icon: new google.maps.MarkerImage(icon, new google.maps.Size('. $this->iconWidth.','. $this->iconHeight.')),'."\n";
$this->content .= "\t\t\t".'position: latlng'."\n";
$this->content .= "\t\t".'});'."\n";
// Display direction inputs in the info window
if ($this->displayDirectionFields==true) {
$this->content .= "\t\t".'content += \'<div style="clear:both;height:20px;"></div>\';'."\n";
$this->content .= "\t\t".'id_name = \'marker_\'+gmarkers.length;'."\n";
$this->content .= "\t\t".'content += \'<input type="text" id="\'+id_name+\'"/>\';'."\n";
$this->content .= "\t\t".'var from = ""+latlng.lat()+","+latlng.lng();'."\n";
$this->content .= "\t\t".'content += \'<br /><input type="button" onClick="addDirection(from,document.getElementById(\\\'\'+id_name+\'\\\').value);" value="Arrivée"/>\';'."\n";
$this->content .= "\t\t".'content += \'<input type="button" onClick="addDirection(document.getElementById(\\\'\'+id_name+\'\\\').value,from);" value="Départ"/>\';'."\n";
}
$this->content .= "\t\t".'var html = \'<div style="float:left;text-align:left;width:'.$this->infoWindowWidth.';">\'+content+\'</div>\''."\n";
$this->content .= "\t\t".'google.maps.event.addListener(marker, "click", function() {'."\n";
$this->content .= "\t\t\t".'if (infowindow) infowindow.close();'."\n";
$this->content .= "\t\t\t".'infowindow = new google.maps.InfoWindow({content: html});'."\n";
$this->content .= "\t\t\t".'infowindow.open(map,marker);'."\n";
// Enable the zoom when you click on a marker
if ($this->enableWindowZoom==true) {
$this->content .= "\t\t".'map.setCenter(new google.maps.LatLng(latlng.lat(),latlng.lng()),'.$this->infoWindowZoom.');'."\n";
}
$this->content .= "\t\t".'});'."\n";
$this->content .= "\t\t".'marker.mycategory = category;'."\n";
$this->content .= "\t\t".'gmarkers.push(marker);'."\n";
// Hide marker by default
if ($this->defaultHideMarker==true) {
$this->content .= "\t\t".'marker.setVisible(false);'."\n";
}
$this->content .= "\t".'}'."\n";
// JS public function to add a geocode marker
$this->content .= "\t".'function geocodeMarker(address,title,content,category,icon) {'."\n";
$this->content .= "\t\t".'if (geocoder) {'."\n";
$this->content .= "\t\t\t".'geocoder.geocode( { "address" : address}, function(results, status) {'."\n";
$this->content .= "\t\t\t\t".'if (status == google.maps.GeocoderStatus.OK) {'."\n";
$this->content .= "\t\t\t\t\t".'var latlng = results[0].geometry.location;'."\n";
$this->content .= "\t\t\t\t\t".'addMarker(results[0].geometry.location,title,content,category,icon)'."\n";
$this->content .= "\t\t\t\t".'}'."\n";
$this->content .= "\t\t\t".'});'."\n";
$this->content .= "\t\t".'}'."\n";
$this->content .= "\t".'}'."\n";
// JS public function to center the gmaps dynamically
$this->content .= "\t".'function geocodeCenter(address) {'."\n";
$this->content .= "\t\t".'if (geocoder) {'."\n";
$this->content .= "\t\t\t".'geocoder.geocode( { "address": address}, function(results, status) {'."\n";
$this->content .= "\t\t\t\t".'if (status == google.maps.GeocoderStatus.OK) {'."\n";
$this->content .= "\t\t\t\t".'map.setCenter(results[0].geometry.location);'."\n";
$this->content .= "\t\t\t\t".'} else {'."\n";
$this->content .= "\t\t\t\t".'alert("Geocode was not successful for the following reason: " + status);'."\n";
$this->content .= "\t\t\t\t".'}'."\n";
$this->content .= "\t\t\t".'});'."\n";
$this->content .= "\t\t".'}'."\n";
$this->content .= "\t".'}'."\n";
// JS public function to set direction
$this->content .= "\t".'function addDirection(from,to) {'."\n";
$this->content .= "\t\t".'var request = {'."\n";
$this->content .= "\t\t".'origin:from, '."\n";
$this->content .= "\t\t".'destination:to,'."\n";
$this->content .= "\t\t".'travelMode: google.maps.DirectionsTravelMode.DRIVING'."\n";
$this->content .= "\t\t".'};'."\n";
$this->content .= "\t\t".'directionsService.route(request, function(response, status) {'."\n";
$this->content .= "\t\t".'if (status == google.maps.DirectionsStatus.OK) {'."\n";
$this->content .= "\t\t".'directions.setDirections(response);'."\n";
$this->content .= "\t\t".'}'."\n";
$this->content .= "\t\t".'});'."\n";
$this->content .= "\t\t".'if(infowindow) { infowindow.close(); }'."\n";
$this->content .= "\t".'}'."\n";
// JS public function to show a category of marker
$this->content .= "\t".'function showCategory(category) {'."\n";
$this->content .= "\t\t".'for (var i=0; i<gmarkers.length; i++) {'."\n";
$this->content .= "\t\t\t".'if (gmarkers[i].mycategory == category) {'."\n";
$this->content .= "\t\t\t\t".'gmarkers[i].setVisible(true);'."\n";
$this->content .= "\t\t\t".'}'."\n";
$this->content .= "\t\t".'}'."\n";
$this->content .= "\t".'}'."\n";
// JS public function to hide a category of marker
$this->content .= "\t".'function hideCategory(category) {'."\n";
$this->content .= "\t\t".'for (var i=0; i<gmarkers.length; i++) {'."\n";
$this->content .= "\t\t\t".'if (gmarkers[i].mycategory == category) {'."\n";
$this->content .= "\t\t\t\t".'gmarkers[i].setVisible(false);'."\n";
$this->content .= "\t\t\t".'}'."\n";
$this->content .= "\t\t".'}'."\n";
$this->content .= "\t\t".'if(infowindow) { infowindow.close(); }'."\n";
$this->content .= "\t".'}'."\n";
// JS public function to hide all the markers
$this->content .= "\t".'function hideAll() {'."\n";
$this->content .= "\t\t".'for (var i=0; i<gmarkers.length; i++) {'."\n";
$this->content .= "\t\t\t".'gmarkers[i].setVisible(false);'."\n";
$this->content .= "\t\t".'}'."\n";
$this->content .= "\t\t".'if(infowindow) { infowindow.close(); }'."\n";
$this->content .= "\t".'}'."\n";
// JS public function to show all the markers
$this->content .= "\t".'function showAll() {'."\n";
$this->content .= "\t\t".'for (var i=0; i<gmarkers.length; i++) {'."\n";
$this->content .= "\t\t\t".'gmarkers[i].setVisible(true);'."\n";
$this->content .= "\t\t".'}'."\n";
$this->content .= "\t\t".'if(infowindow) { infowindow.close(); }'."\n";
$this->content .= "\t".'}'."\n";
// JS public function to hide/show a category of marker - TODO BUG
$this->content .= "\t".'function toggleHideShow(category) {'."\n";
$this->content .= "\t\t".'for (var i=0; i<gmarkers.length; i++) {'."\n";
$this->content .= "\t\t\t".'if (gmarkers[i].mycategory === category) {'."\n";
$this->content .= "\t\t\t\t".'if (gmarkers[i].getVisible()===true) { gmarkers[i].setVisible(false); }'."\n";
$this->content .= "\t\t\t\t".'else gmarkers[i].setVisible(true);'."\n";
$this->content .= "\t\t\t".'}'."\n";
$this->content .= "\t\t".'}'."\n";
$this->content .= "\t\t".'if(infowindow) { infowindow.close(); }'."\n";
$this->content .= "\t".'}'."\n";
// JS public function add a KML
$this->content .= "\t".'function addKML(file) {'."\n";
$this->content .= "\t\t".'var ctaLayer = new google.maps.KmlLayer(file);'."\n";
$this->content .= "\t\t".'ctaLayer.setMap(map);'."\n";
$this->content .= "\t".'}'."\n";
}
public function generate()
{
$this->init();
//Fonction init()
$this->content .= "\t".'function initialize() {'."\n";
$this->content .= "\t".'var myLatlng = new google.maps.LatLng(48.8792,2.34778);'."\n";
$this->content .= "\t".'var myOptions = {'."\n";
$this->content .= "\t\t".'zoom: '.$this->zoom.','."\n";
$this->content .= "\t\t".'center: myLatlng,'."\n";
$this->content .= "\t\t".'mapTypeId: google.maps.MapTypeId.ROADMAP'."\n";
$this->content .= "\t".'}'."\n";
//Goole map Div Id
$this->content .= "\t".'map = new google.maps.Map(document.getElementById("'.$this->googleMapId.'"), myOptions);'."\n";
// Center
if ($this->enableAutomaticCenterZoom==true) {
$lenLng = $this->maxLng - $this->minLng;
$lenLat = $this->maxLat - $this->minLat;
$this->minLng -= $lenLng * $this->coordCoef;
$this->maxLng += $lenLng * $this->coordCoef;
$this->minLat -= $lenLat * $this->coordCoef;
$this->maxLat += $lenLat * $this->coordCoef;
$this->content .= "\t\t\t".'var bds = new google.maps.LatLngBounds(new google.maps.LatLng('.$this->minLat.','.$this->minLng.'),new google.maps.LatLng('.$this->maxLat.','.$this->maxLng.'));'."\n";
$this->content .= "\t\t\t".'map.fitBounds(bds);'."\n";
} else {
$this->content .= "\t".'geocodeCenter("'.$this->center.'");'."\n";
}
$this->content .= "\t".'google.maps.event.addListener(map,"click",function(event) { if (event) { current_lat=event.latLng.lat();current_lng=event.latLng.lng(); }}) ;'."\n";
$this->content .= "\t".'directions.setMap(map);'."\n";
$this->content .= "\t".'directions.setPanel(document.getElementById("'.$this->googleMapDirectionId.'"))'."\n";
// add all the markers
$this->content .= $this->contentMarker;
// Clusterer JS
if ($this->useClusterer==true) {
$this->content .= "\t".'var markerCluster = new MarkerClusterer(map, gmarkers,{gridSize: '.$this->gridSize.', maxZoom: '.$this->maxZoom.'});'."\n";
}
$this->content .= '}'."\n";
// Chargement de la map a la fin du HTML
$this->content .= "\t".'window.onload=initialize;'."\n";
//Fermeture du javascript
$this->content .= '</script>'."\n";
}
}