2010最新php应用谷歌地图api
class simpleGMapAPI {
/**
* mapMarkers : array
* Holds data (coords etc.) of Markers
*/
private $mapMarkers = array();
/**
* mapCircles : array
* Holds data (coords etc.) of Circles
*/
private $mapCircles = array();
/**
* mapRectangles : array
* Holds data (coords etc.) of Rectangles
*/
private $mapRectangles = array();
/**
* mapWidth
* width of the Google Map, in pixels
*/
private $mapWidth = 400;
/**
* mapHeight
* height of the Google Map, in pixels
*/
private $mapHeight = 400;
/**
* mapBackgroundColor
* string : color for the map background
*/
private $mapBackgroundColor = "";
/**
* apiSensor : boolean
* True/False wether the device has a sensor or not
*/
private $apiSensor = false;
/**
* mapDraggable : boolean
* True/False wether the map is draggable or not
*/
private $mapDraggable = true;
/**
* mapType
* string : can be 'ROADMAP', 'SATELLITE', 'HYBRID' or 'TERRAIN'
* display's either a (road)map, satellite, hybrid or terrain view, (road)map by default
*/
private $mapType = 'ROADMAP';
/**
* zoomLevel
* int : 0 - 19
* set's the initial zoom level of the map (0 is fully zoomed out and 19 is fully zoomed in)
*/
private $zoomLevel = 6;
/**
* showDefaultUI
* True/False whether to show the deault UI controls or not
*/
private $showDefaultUI = true;
/**
* showMapTypeControl
* True/False whether to show map type control or not
*/
private $showMapTypeControl = true;
/**
* mapTypeControlStyle
* string : can be 'HORIZONTAL_BAR', 'DROPDOWN_MENU' or 'DEFAULT'
* Style of the map type control
*/
private $mapTypeControlStyle = 'DEFAULT';
/**
* showNavigationControl
* True/False whether to show navigation control or not
*/
private $showNavigationControl = true;
/**
* navigationControlStyle
* string : can be 'ANDROID', 'DEFAULT', 'SMALL' or 'ZOOM_PAN'
* Style of the navigation control
*/
private $navigationControlStyle = 'DEFAULT';
/**
* showScaleControl
* True/False whether to show scale control or not
*/
private $showScaleControl = true;
/**
* showStreetViewControl
* True/False whether to show StreetView control or not
*/
private $showStreetViewControl = true;
/**
* enableScrollwheelZoom
* True/False whether the scrollwhell zoom is enabled or not
*/
private $enableScrollwheelZoom = true;
/**
* enableDoubleClickZoom
* True/False whether doubleclick zoom zoom is enabled or not
*/
private $enableDoubleClickZoom = true;
/**
* infoWindowBehaviour
* string : can be 'MULTIPLE', 'SINGLE', 'CLOSE_ON_MAPCLICK' or 'SINGLE_CLOSE_ON_MAPCLICK'
* Behavious of InfoWindow overlays
*/
private $infoWindowBehaviour = 'MULTIPLE';
/**
* infoWindowTrigger
* string : can be 'CLICK' OR 'MOUSEOVER'
* Determines if InfoWindow is shown with a click or by mouseover
*/
private $infoWindowTrigger = 'CLICK';
/**
* maximum longitude of all markers
*
* @var float
*/
private $maxLng = -1000000;
/**
* minimum longitude of all markers
*
* @var float
*/
private $minLng = 1000000;
/**
* max latitude
*
* @var float
*/
private $maxLat = -1000000;
/**
* min latitude
*
* @var float
*/
private $minLat = 1000000;
/**
* map center latitude (horizontal)
* calculated automatically as markers
* are added to the map.
*
* @var float
*/
private $centerLat = null;
/**
* map center longitude (vertical)
* calculated automatically as markers
* are added to the map.
*
* @var float
*/
private $centerLng = null;
/**********
*** START OF FUNCTION BLOCK
**********/
/**
* @function __construct
* @description constructor
* @param $sensor : boolean
*/
function __construct($sensor = false)
{
$this->setSensor($sensor);
}
/**
* @function setSensor
* @param $sensor : boolean
* @returns nothing
* @description Tells the v3 API wether the device has a sensor or not
*/
function setSensor($sensor = false)
{
$this->apiSensor = $sensor;
}
/**
* @function setWidth
* @param $width : int
* @returns nothing
* @description Sets the width of the map to be displayed
*/
function setWidth($width)
{
if ($width <= 0) { $width = $this->mapWidth; }
$this->mapWidth = $width;
}
/**
* @function setHeight
* @param $height : int
* @returns nothing
* @description Sets the height of the map to be displayed
*/
function setHeight($height)
{
if ($height <= 0) { $height = $this->mapHeight; }
$this->mapHeight = $height;
}
/**
* @function setBackgroundColor
* @param $color : string
* @returns nothing
* @description Sets the background color of the map
*/
function setBackgroundColor($color = "")
{
$this->mapBackgroundColor = $color;
}
/**
* @function setZoomLevel
* @param $zoom : int (0 - 19)
* @returns nothing
* @description Sets the zoom level of the map (0 is fully zoomed out and 19 is fully zoomed in)
*/
function setZoomLevel($zoom)
{
if (($zoom <= 0) OR ($zoom > 19)) { $zoom = $this->zoomLevel; }
$this->zoomLevel = $zoom;
}
/**
* @function setMapType
* @param $mapType : string (can be 'ROADMAP', 'SATELLITE', 'HYBRID' or 'TERRAIN')
* @returns nothing
* @description Sets the type of the map to be displayed, either a (road)map, satellite, hybrid or terrain view; (road)map by default
*/
function setMapType($mapType)
{
switch ($mapType)
{
case 'SATELLITE' :
case 'HYBRID' :
case 'TERRAIN' :
$this->mapType = $mapType;
break;
default :
$this->mapType = 'ROADMAP';
break;
}
}
/**
* @function setMapDraggable
* @param $draggable : boolean
* @returns nothing
* @description Sets wether the map is draggable or not
*/
function setMapDraggable($draggable = true)
{
$this->mapDraggable = $draggable;
}
/**
* @function setInfoWindowBehaviour
* @param $infoWindowBehaviour : string (can be 'MULTIPLE', 'SINGLE' or 'CLOSE_ON_MAPCLICK')
* @returns nothing
* @description Sets the behaviour of InfoWindow overlays, either multiple or single windows are displayed
*/
function setInfoWindowBehaviour($infoWindowBehaviour)
{
switch ($infoWindowBehaviour)
{
case 'MULTIPLE' :
case 'SINGLE' :
case 'CLOSE_ON_MAPCLICK' :
case 'SINGLE_CLOSE_ON_MAPCLICK' :
$this->infoWindowBehaviour = $infoWindowBehaviour;
break;
default :
$this->infoWindowBehaviour = 'MULTIPLE'; // default behaviour of Google Maps V3
break;
}
}
/**
* @function setInfoWindowTrigger
* @param $infoWindowTrigger : string : can be 'CLICK' OR 'ONMOUSEOVER'
* @returns nothing
* @description Determines if InfoWindow is shown with a click or by mouseover
*/
function setInfoWindowTrigger($infoWindowTrigger)
{
switch ($infoWindowTrigger)
{
case 'MOUSEOVER' :
$this->infoWindowTrigger = $infoWindowTrigger;
break;
default :
$this->infoWindowTrigger = 'CLICK';
break;
}
}
/**
* @function showDefaultUI
* @param $control : boolean
* @returns nothing
* @description Tells the v3 API wether to show the default UI (its behaviour) or not
*/
function showDefaultUI($control = true)
{
$this->showDefaultUI = $control;
}
/**
* @function showMapTypeControl
* @param $control : boolean
* @param $style : string (can be 'HORIZONTAL_BAR', 'DROPDOWN_MENU' or 'DEFAULT')
* @returns nothing
* @description Tells the v3 API wether to show the map type control or not
*/
function showMapTypeControl($control = true, $style )
{
$this->showMapTypeControl = $control;
switch ( $style )
{
case 'HORIZONTAL_BAR' :
case 'DROPDOWN_MENU' :
$this->mapTypeControlStyle = $style;
break;
default :
$this->mapTypeControlStyle = 'DEFAULT';
break;
}
}
/**
* @function showNavigationControl
* @param $control : boolean
* @param $style : string (can be 'ANDROID', 'DEFAULT', 'SMALL' or 'ZOOM_PAN')
* @returns nothing
* @description Tells the v3 API wether to show the navigation control or not
*/
function showNavigationControl($control = true, $style)
{
$this->showNavigationControl = $control;
switch ( $style )
{
case 'ANDROID' :
case 'SMALL' :
case 'ZOOM_PAN' :
$this->navigationControlStyle = $style;
break;
default :
$this->navigationTypeControlStyle = 'DEFAULT';
break;
}
}
/**
* @function showScaleControl
* @param $control : boolean
* @returns nothing
* @description Tells the v3 API wether to show the scale control or not
*/
function showScaleControl($control = true)
{
$this->showScaleControl = $control;
}
/**
* @function showStreetViewControl
* @param $control : boolean
* @returns nothing
* @description Tells the v3 API wether to show the StreetView control or not
*/
function showStreetViewControl($control = true)
{
$this->showStreetViewControl = $control;
}
/**
* @function setScrollwheelZoom
* @param $swzoom : boolean
* @returns nothing
* @description Sets wether scrollwheel zoom is enabled or not
*/
function setScrollwheelZoom($swzoom = true)
{
$this->enableScrollwheelZoom = $swzoom;
}
/**
* @function setDoubleClickZoom
* @param $dczoom : boolean
* @returns nothing
* @description Sets wether doubleclick zoom is enabled or not
*/
function setDoubleclickZoom($dczoom = true)
{
$this->enableDoubleClickZoom = $dczoom;
}
/**
* @function printGMapJS
* @returns nothing
* @description Adds the necessary Javascript for the Google Map API v3
* (should be called in between the html <head></head> tags)
*/
function printGMapsJS()
{
$this->apiSensor ? $_sensor = "true" : $_sensor = "false";
echo "\n<!-- Include Google Maps JS -->";
echo "\n<script src=\"http://maps.google.com/maps/api/js?sensor=$_sensor\" type=\"text/javascript\"></script>\n";
}
/**
* @function adjustCenterCoords
*
* @param $lng the map longitude : string
* @param $lat the map latitude : string
* @description adjust map center coordinates by the given lat/lon point
*/
private function adjustCenterCoords($lat, $lng)
{
if ( (strlen((string)$lat) != 0) AND (strlen((string)$lng) != 0) )
{
$this->maxLat = (float) max($lat, $this->maxLat);
$this->minLat = (float) min($lat, $this->minLat);
$this->maxLng = (float) max($lng, $this->maxLng);
$this->minLng = (float) min($lng, $this->minLng);
$this->centerLng = (float) ($this->minLng + $this->maxLng) / 2;
$this->centerLat = (float) ($this->minLat + $this->maxLat) / 2;
}
}
/**
* @function addMarker
* @param $lat : string (latitude)
* $lng : string (longitude)
* $tooltip : string (tooltip text)
* $info : Message to be displayed in an InfoWindow
* $iconURL : URL to an icon to be displayed instead of the default icon
* (see for example http://code.google.com/p/google-maps-icons/)
* $clickable : boolean (true if the marker should be clickable)
* @description Add's a Marker to be displayed on the Google Map using latitude/longitude
*/
function addMarker($lat, $lng, $tooltip="", $info="", $iconURL="", $clickable=true)
{
$count = count($this->mapMarkers);
$this->mapMarkers[$count]['lat'] = $lat;
$this->mapMarkers[$count]['lng'] = $lng;
$this->mapMarkers[$count]['tooltip'] = $tooltip;
$this->mapMarkers[$count]['info'] = $info;
$this->mapMarkers[$count]['iconURL'] = $iconURL;
$this->mapMarkers[$count]['clickable'] = $clickable;
$this->adjustCenterCoords($lat, $lng);
}
/**
* @function addMarkerByAddress
* @param $lat : string (latitude)
* $lng : string (longitude)
* $tooltip : string (tooltip text)
* $info : Message to be displayed in an InfoWindow
* $iconURL : URL to an icon to be displayed instead of the default icon
* (see for example http://code.google.com/p/google-maps-icons/)
* $clickable : boolean (true if the marker should be clickable)
* @description Add's a Marker to be displayed on the Google Map using latitude/longitude
*/
function addMarkerByAddress($address, $tooltip="", $info="", $iconURL="", $clickable=true)
{
$geoCoder = new simpleGMapGeocoder();
$result = array();
if (!is_string($address))
{
die("All Addresses must be passed as a string");
}
$result = $geoCoder->getGeoCoords($address);
if ( $result['status'] == "OK" )
{
$count = count($this->mapMarkers);
$this->mapMarkers[$count]['lat'] = $result['lat'];
$this->mapMarkers[$count]['lng'] = $result['lng'];
$this->mapMarkers[$count]['tooltip'] = $tooltip;
$this->mapMarkers[$count]['info'] = $info;
$this->mapMarkers[$count]['iconURL'] = $iconURL;
$this->mapMarkers[$count]['clickable'] = $clickable;
$this->adjustCenterCoords($result['lat'], $result['lng']);
}
}
/**
* @function addCircle
* @param $lat : string (latitude)
* $lng : string (longitude)
* $rad : string (radius of circle in meters)
* $info : Message to be displayed in an InfoWindow
* $options : array (options like stroke color etc. for the circle)
* @description Add's an circle to be displayed on the Google Map using latitude/longitude and radius
*/
function addCircle($lat, $lng, $rad, $info="", $options=array())
{
$count = count($this->mapCircles);
$this->mapCircles[$count]['lat'] = $lat;
$this->mapCircles[$count]['lng'] = $lng;
$this->mapCircles[$count]['rad'] = $rad;
$this->mapCircles[$count]['info'] = $info;
/* set options */
if ( sizeof($options) != 0 )
{
$this->mapCircles[$count]['fillColor'] = $options['fillColor'];
$this->mapCircles[$count]['fillOpacity'] = $options['fillOpacity'];
$this->mapCircles[$count]['strokeColor'] = $options['strokeColor'];
$this->mapCircles[$count]['strokeOpacity'] = $options['strokeOpacity'];
$this->mapCircles[$count]['strokeWeight'] = $options['strokeWeight'];
if ( $options['clickable'] == "" OR $options['clickable'] == false )
{
$this->mapCircles[$count]['clickable'] = false;
}
else
{
$this->mapCircles[$count]['clickable'] = true;
}
}
$this->adjustCenterCoords($lat, $lng);
}
/**
* @function addRectangle
* @param $lat1 : string (latitude sw corner)
* $lng1 : string (longitude sw corner)
* $lat2 : string (latitude ne corner)
* $lng2 : string (longitude ne corner)
* $info : Message to be displayed in an InfoWindow
* $options : array (options like stroke color etc. for the rectangle)
* @description Add's a rectangle to be displayed on the Google Map using latitude/longitude for soutwest and northeast corner
*/
function addRectangle($lat1, $lng1, $lat2, $lng2, $info="", $options=array())
{
$count = count($this->mapRectangles);
$this->mapRectangles[$count]['lat1'] = $lat1;
$this->mapRectangles[$count]['lng1'] = $lng1;
$this->mapRectangles[$count]['lat2'] = $lat2;
$this->mapRectangles[$count]['lng2'] = $lng2;
$this->mapRectangles[$count]['info'] = $info;
/* set options */
if ( sizeof($options) != 0 )
{
$this->mapRectangles[$count]['fillColor'] = $options['fillColor'];
$this->mapRectangles[$count]['fillOpacity'] = $options['fillOpacity'];
$this->mapRectangles[$count]['strokeColor'] = $options['strokeColor'];
$this->mapRectangles[$count]['strokeOpacity'] = $options['strokeOpacity'];
$this->mapRectangles[$count]['strokeWeight'] = $options['strokeWeight'];
if ( $options['clickable'] == "" OR $options['clickable'] == false )
{
$this->mapRectangles[$count]['clickable'] = false;
}
else
{
$this->mapRectangles[$count]['clickable'] = true;
}
}
$this->adjustCenterCoords($lat1, $lng1);
$this->adjustCenterCoords($lat2, $lng2);
}
/**
* @function calculateDistance
* @param $lat1 : string (latitude location 1)
* $lng1: string (longitude location 1)
* $lat2 : string (latitude location 2)
* $lng2: string (longitude location 2)
* $unit : km (killometers), m (miles), n (nautical miles), i (inch)
* @description calculates distance between two locations in given unit (default kilometers)
*/
function calculateDistance($lat1, $lng1, $lat2, $lng2, $unit="km")
{
$radius = 6371; // mean radius of the earth in kilometers
$lat1 = (float)$lat1;
$lat2 = (float)$lat2;
$lng1 = (float)$lng1;
$lng2 = (float)$lng2;
// calculation of distance in km using Great Circle Distance Formula
$dist = $radius *
acos( sin(deg2rad($lat1)) * sin(deg2rad($lat2)) +
cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * cos(deg2rad($lng2) - deg2rad($lng1)) );
switch ( strtolower($unit) )
{
case 'm' : // miles
$dist = $dist / 1.609;
break;
case 'n' : // nautical miles
$dist = $dist / 1.852;
break;
case 'i' : // inch
$dist = $dist * 39370;
break;
}
return $dist;
}
/**
* @function showMap
* @description Displays the Google Map on the page
*/
function showMap($zoomToBounds = true)
{
$this->showDefaultUI ? $_disableDefaultUI = "false" : $_disableDefaultUI = "true";
$this->showMapTypeControl ? $_mapTypeControl = "true" : $_mapTypeControl = "false";
$this->showNavigationControl ? $_navigationControl = "true" : $_navigationControl = "false";
$this->showScaleControl ? $_scaleControl = "true" : $_scaleControl = "false";
$this->showStreetViewControl ? $_streetViewControl = "true" : $_streetViewControl = "false";
$this->mapDraggable ? $_mapDraggable = "true" : $_mapDraggable = "false";
$this->enableScrollwheelZoom ? $_scrollwheelZoom = "true" : $_scrollwheelZoom = "false";
$this->enableDoubleClickZoom ? $_disableDoubleClickZoom = "false" : $_disableDoubleClickZoom = "true";
// just set the infoWindowTrigger to lower case so we can use it direct as a string
$_infowindowtrigger = strtolower($this->infoWindowTrigger);
// create div for the map canvas
echo "\n<!-- DIV container for the map -->";
echo "\n<div id=\"gmap_canvas\" style=\"width: ".$this->mapWidth."px; height: ".$this->mapHeight."px;\">\n</div>\n";
// create JS to display the map
echo "\n<!-- Display the Google Map -->";
echo "\n<script type=\"text/javascript\">\n".
"var currentInfoWindow = null;\n".
"var bounds = new google.maps.LatLngBounds();\n".
"var latlng = new google.maps.LatLng(".$this->centerLat.", ".$this->centerLng.");\n".
"var options = {\n".
"\tzoom: ".$this->zoomLevel.",\n".
"\tcenter: latlng,\n".
"\tmapTypeId: google.maps.MapTypeId.".$this->mapType.",\n";
if ( $this->mapBackgroundColor != "" ) { echo "backgroundColor: '".$this->mapBackgroundColor."',\n"; }
echo "\tdisableDefaultUI: ".$_disableDefaultUI.",\n".
"\tmapTypeControl: ".$_mapTypeControl.",\n".
"\tmapTypeControlOptions: { style: google.maps.MapTypeControlStyle.".$this->mapTypeControlStyle." },\n".
"\tnavigationControl: ".$_navigationControl.",\n".
"\tnavigationControlOptions: { style: google.maps.NavigationControlStyle.".$this->navigationControlStyle." },\n".
"\tscaleControl: ".$_scaleControl.",\n".
"\tstreetViewControl: ".$_streetViewControl.",\n".
"\tdraggable: ".$_mapDraggable.",\n".
"\tscrollwheel: ".$_scrollwheelZoom.",\n".
"\tdisableDoubleClickZoom: ".$_disableDoubleClickZoom."\n".
"};\n\n".
"function showmap() {\n".
"\tvar map = new google.maps.Map(document.getElementById('gmap_canvas'), options);\n\n";
// infoWindowBehaviour
if ( ($this->infoWindowBehaviour == 'CLOSE_ON_MAPCLICK') OR ($this->infoWindowBehaviour == 'SINGLE_CLOSE_ON_MAPCLICK') )
{
echo "\tgoogle.maps.event.addListener(map, 'click', function() { if (currentInfoWindow != null) { currentInfoWindow.close(); } });\n";
}
/*
* Run through the mapMarkers array to display markers on the map
*/
for ( $count = 0; $count < sizeof($this->mapMarkers); $count++ )
{
// place the marker on the map
echo "\tvar markerLatLng = new google.maps.LatLng(".$this->mapMarkers[$count]['lat'].", ".$this->mapMarkers[$count]['lng'].");\n".
"\tvar marker$count = new google.maps.Marker({\n".
"\t position: markerLatLng,\n".
"\t title: '".$this->mapMarkers[$count]['tooltip']."',\n";
if ( $this->mapMarkers[$count]['iconURL'] != "" )
{
echo "\t icon: '".$this->mapMarkers[$count]['iconURL']."',\n";
}
if ( $this->mapMarkers[$count]['clickable'] == false )
{
echo "\t clickable: false,\n";
}
echo "\t map: map\n".
"\t});\n";
// add an InfoWindow if there is a text to be displayed
if ( $this->mapMarkers[$count]['info'] != "")
{
// create InfoWindow
echo "\tvar infowindowM$count = new google.maps.InfoWindow({\n".
"\t content: '".$this->mapMarkers[$count]['info']."'\n".
"\t});\n";
// add an event to the marker
echo "\tgoogle.maps.event.addListener (marker$count, '$_infowindowtrigger', function() {\n";
// infoWindowBehaviour
if ( ($this->infoWindowBehaviour == 'SINGLE') OR ($this->infoWindowBehaviour == 'SINGLE_CLOSE_ON_MAPCLICK') )
{
echo "\t if (currentInfoWindow != null) { currentInfoWindow.close(); } \n";
}
echo "\t infowindowM$count.open(map, marker$count);\n".
"\t currentInfoWindow = infowindowM$count;\n".
"\t});\n";
}
echo "\tbounds.extend(markerLatLng);\n\n";
}
/*
* Run through the mapCircles array to display circles on the map
*/
for ( $count = 0; $count < sizeof($this->mapCircles); $count++ )
{
// place the circle on the map
echo "\tvar circleLatLng = new google.maps.LatLng(".$this->mapCircles[$count]['lat'].", ".$this->mapCircles[$count]['lng'].");\n".
"\tvar circle$count = new google.maps.Circle({\n".
"\t center: circleLatLng,\n".
"\t radius: ".$this->mapCircles[$count]['rad'].",\n";
// check if there are options set for the circle
if ( $this->mapCircles[$count]['fillColor'] != "" ) { echo "\t fillColor: '".$this->mapCircles[$count]['fillColor']."',\n"; }
if ( $this->mapCircles[$count]['fillOpacity'] != "" ) { echo "\t fillOpacity: ".$this->mapCircles[$count]['fillOpacity'].",\n"; }
if ( $this->mapCircles[$count]['strokeColor'] != "" ) { echo "\t strokeColor: '".$this->mapCircles[$count]['strokeColor']."',\n"; }
if ( $this->mapCircles[$count]['strokeOpacity'] != "" ) { echo "\t strokeOpacity: ".$this->mapCircles[$count]['strokeOpacity'].",\n"; }
if ( $this->mapCircles[$count]['strokeWeight'] != "" ) { echo "\t strokeWeight: ".$this->mapCircles[$count]['strokeWeight'].",\n"; }
if ( $this->mapCircles[$count]['clickable'] == false ) { echo "\t clickable: false,\n"; }
echo "\t map: map\n".
"\t});\n";
// add an InfoWindow if there is a text to be displayed and circle is clickable
if ( ($this->mapCircles[$count]['info'] != "") AND ($this->mapCircles[$count]['clickable'] != false) )
{
// create InfoWindow
echo "\tvar infowindowC$count = new google.maps.InfoWindow({\n".
"\t content: '".$this->mapCircles[$count]['info']."',\n".
"\t position: circleLatLng,\n".
"\t});\n";
// add an event to the marker
echo "\tgoogle.maps.event.addListener (circle$count, '$_infowindowtrigger', function() {\n";
// infoWindowBehaviour
if ( ($this->infoWindowBehaviour == 'SINGLE') OR ($this->infoWindowBehaviour == 'SINGLE_CLOSE_ON_MAPCLICK') )
{
echo "\t if (currentInfoWindow != null) { currentInfoWindow.close(); } \n";
}
echo "\t var tmplat1 = circle$count.getCenter().lat()+(circle$count.getBounds().getNorthEast().lat() - circle$count.getCenter().lat())/2;\n";
echo "\t var tmplng1 = circle$count.getCenter().lng()+(circle$count.getBounds().getNorthEast().lng() - circle$count.getCenter().lng())/2;\n";
echo "\t var newpos = new google.maps.LatLng(tmplat1, tmplng1);\n";
echo "\t infowindowC$count.open(map);\n".
"\t infowindowC$count.setPosition(newpos);\n".
"\t currentInfoWindow = infowindowC$count;\n".
"\t});\n";
}
echo "\tbounds.extend(circle$count.getBounds().getNorthEast());\n";
echo "\tbounds.extend(circle$count.getBounds().getSouthWest());\n\n";
}
/*
* Run through the mapRectangles array to display circles on the map
*/
for ( $count = 0; $count < sizeof($this->mapRectangles); $count++ )
{
// place the rectangle on the map
echo "\tvar rectangleSW = new google.maps.LatLng(".$this->mapRectangles[$count]['lat1'].", ".$this->mapRectangles[$count]['lng1'].");\n".
"\tvar rectangleNE = new google.maps.LatLng(".$this->mapRectangles[$count]['lat2'].", ".$this->mapRectangles[$count]['lng2'].");\n".
"\tvar rectangleBounds = new google.maps.LatLngBounds(rectangleSW,rectangleNE);\n".
"\tvar rectangle$count = new google.maps.Rectangle({\n".
"\t bounds: rectangleBounds,\n";
// check if there are options set for the rectangle
if ( $this->mapRectangles[$count]['fillColor'] != "" ) { echo "\t fillColor: '".$this->mapRectangles[$count]['fillColor']."',\n"; }
if ( $this->mapRectangles[$count]['fillOpacity'] != "" ) { echo "\t fillOpacity: ".$this->mapRectangles[$count]['fillOpacity'].",\n"; }
if ( $this->mapRectangles[$count]['strokeColor'] != "" ) { echo "\t strokeColor: '".$this->mapRectangles[$count]['strokeColor']."',\n"; }
if ( $this->mapRectangles[$count]['strokeOpacity'] != "" ) { echo "\t strokeOpacity: ".$this->mapRectangles[$count]['strokeOpacity'].",\n"; }
if ( $this->mapRectangles[$count]['strokeWeight'] != "" ) { echo "\t strokeWeight: ".$this->mapRectangles[$count]['strokeWeight'].",\n"; }
if ( $this->mapRectangles[$count]['clickable'] == false ) { echo "\t clickable: false,\n"; }
echo "\t map: map\n".
"\t});\n";
// add an InfoWindow if there is a text to be displayed and rectangle is clickable
if ( ($this->mapRectangles[$count]['info'] != "") AND ($this->mapRectangles[$count]['clickable'] != false) )
{
// create InfoWindow
echo "\tvar infowindowR$count = new google.maps.InfoWindow({\n".
"\t content: '".$this->mapRectangles[$count]['info']."',\n".
"\t position: rectangleNE,\n".
"\t});\n";
// add an event to the marker
echo "\tgoogle.maps.event.addListener (rectangle$count, '$_infowindowtrigger', function() {\n";
// infoWindowBehaviour
if ( ($this->infoWindowBehaviour == 'SINGLE') OR ($this->infoWindowBehaviour == 'SINGLE_CLOSE_ON_MAPCLICK') )
{
echo "\t if (currentInfoWindow != null) { currentInfoWindow.close(); } \n";
}
echo "\t infowindowR$count.open(map);\n".
"\t currentInfoWindow = infowindowR$count;\n".
"\t});\n";
}
echo "\tbounds.extend(rectangleNE);\n";
echo "\tbounds.extend(rectangleSW);\n\n";
}
if ( $zoomToBounds )
{
echo "\tmap.fitBounds(bounds);\n";
}
echo "}\n\n".
"window.onload = showmap;\n".
"</script>\n";
}
}
class simpleGMapGeocoder {
/**
* @function getGeoCoords
* @param $address : string
* @returns -
* @description Gets GeoCoords by calling the Google Maps geoencoding API
*/
function getGeoCoords($address)
{
$coords = array();
/*
OBSOLETE, now using utf8_encode
// replace special characters (eg. German "Umlaute")
$address = str_replace("?", "ae", $address);
$address = str_replace("?", "oe", $address);
$address = str_replace("?", "ue", $address);
$address = str_replace("?", "Ae", $address);
$address = str_replace("?", "Oe", $address);
$address = str_replace("?", "Ue", $address);
$address = str_replace("?", "ss", $address);
*/
$address = utf8_encode($address);
// call geoencoding api with param json for output
$geoCodeURL = "http://maps.google.com/maps/api/geocode/json?address=".
urlencode($address)."&sensor=false";
$result = json_decode(file_get_contents($geoCodeURL), true);
$coords['status'] = $result["status"];
$coords['lat'] = $result["results"][0]["geometry"]["location"]["lat"];
$coords['lng'] = $result["results"][0]["geometry"]["location"]["lng"];
return $coords;
}
/**
* WORK IN PROGRESS...
*
* @function reverseGeoCode
* @param $lat : string
* @param $lng : string
* @returns -
* @description Gets Address for the given LatLng by calling the Google Maps geoencoding API
*/
function reverseGeoCode($lat,$lng)
{
$address = array();
// call geoencoding api with param json for output
$geoCodeURL = "http://maps.google.com/maps/api/geocode/json?address=$lat,$lng&sensor=false";
$result = json_decode(file_get_contents($geoCodeURL), true);
$address['status'] = $result["status"];
echo $geoCodeURL."<br />";
print_r($result);
return $address;
}
/**
* @function getOSMGeoCoords
* @param $address : string
* @returns -
* @description Gets GeoCoords by calling the OpenStreetMap geoencoding API
*/
function getOSMGeoCoords($address)
{
$coords = array();
$address = utf8_encode($address);
// call OSM geoencoding api
// limit to one result (limit=1) without address details (addressdetails=0)
// output in JSON
$geoCodeURL = "http://nominatim.openstreetmap.org/search?format=json&limit=1&addressdetails=0&q=".
urlencode($address);
$result = json_decode(file_get_contents($geoCodeURL), true);
$coords['lat'] = $result[0]["lat"];
$coords['lng'] = $result[0]["lon"];
return $coords;
}
}
//以下为应用实例
$map = new simpleGMapAPI();
$geo = new simpleGMapGeocoder();
$map->setWidth(600);
$map->setHeight(600);
$map->setBackgroundColor('#d0d0d0');
$map->setMapDraggable(true);
$map->setDoubleclickZoom(false);
$map->setScrollwheelZoom(true);
$map->showDefaultUI(false);
$map->showMapTypeControl(true, 'DROPDOWN_MENU');
$map->showNavigationControl(true, 'DEFAULT');
$map->showScaleControl(true);
$map->showStreetViewControl(true);
$map->setZoomLevel(14); // not really needed because showMap is called in this demo with auto zoom
$map->setInfoWindowBehaviour('SINGLE_CLOSE_ON_MAPCLICK');
$map->setInfoWindowTrigger('CLICK');
$map->addMarkerByAddress("Ravensberger Park 1 , Bielefeld", "Ravensberger Spinnerei", "Ravensberger Spinnerei", "http://google-maps-icons.googlecode.com/files/museum-historical.png");
$map->addMarkerByAddress("Universit鋞sstra遝 25, Bielefeld", "Universit鋞 Bielefeld", "<a href=\"http://www.uni-bielefeld.de\" target=\"_blank\">http://www.uni-bielefeld.de</a>", "http://google-maps-icons.googlecode.com/files/university.png");
$map->addMarker(52.0149436, 8.5275128, "Sparrenburg Bielefeld", "Sparrenburg, 33602 Bielefeld, Deutschland<br /><img src=\"http://www.bielefeld.de/ftp/bilder/sehenswuerdigkeiten/sehenswuerdigkeiten/sparrenburg-bielefeld-435.gif\"", "http://google-maps-icons.googlecode.com/files/museum-archeological.png");
$opts = array('fillColor'=>'#0000dd', 'fillOpacity'=>0.2, 'strokeColor'=>'#000000', 'strokeOpacity'=>1, 'strokeWeight'=>2, 'clickable'=>true);
$map->addCircle(52.0149436, 8.5275128, 1500, "1,5km Umgebung um die Sparrenburg", $opts);
$opts = array('fillColor'=>'#00dd00', 'fillOpacity'=>0.2, 'strokeColor'=>'#003300', 'strokeOpacity'=>1, 'strokeWeight'=>2, 'clickable'=>true);
$map->addRectangle(52.0338, 8.487, 52.0414, 8.502, "Campus University Bielefeld", $opts);
echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"\n'>http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n";
echo "<html xmlns=\"\n'>http://www.w3.org/1999/xhtml\">\n";
echo "<head>\n";
echo "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=iso-8859-1\" />\n";
echo "<title>simpleGMapAPI test</title>";
$map->printGMapsJS();
echo "</head>\n";
echo "\n\n<body>\n\n";
// showMap with auto zoom enabled
$map->showMap(true);
echo "</body>\n";
echo "</html>\n";
?