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<?php |
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class MapUtil |
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{ |
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/** |
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* @var string The Google Maps API key |
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*/ |
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protected static $api_key; |
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/** |
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* @var int Number of active {@see GoogleMapsAPI} instances (for the HTML ID) |
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*/ |
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protected static $instances = 0; |
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/** |
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* @var int The default width of a Google Map |
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*/ |
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public static $map_width = '100%'; |
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/** |
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* @var int The default height of a Google Map |
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*/ |
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public static $map_height = '400px'; |
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/** |
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* @var int Prefix for the div ID of the map |
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*/ |
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public static $div_id = "google_map"; |
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/** |
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* @var boolean Automatic center/zoom for the map |
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*/ |
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public static $automatic_center = true; |
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/** |
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* @var boolean Show the marker fields on the map |
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*/ |
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public static $hide_marker = false; |
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/** |
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* @var boolean Show the marker fields on the map |
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*/ |
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public static $map_type = 'google.maps.MapTypeId.ROADMAP'; |
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/** |
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* @var string $center Center of map (adress) |
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*/ |
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public static $center = 'Paris, France'; |
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/* Width of the map information window */ |
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public static $info_window_width = 250; |
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/* Whether or not to allow full screen */ |
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private static $allow_full_screen = null; |
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public static function reset() { |
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self::$api_key = null; |
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self::$instances = 0; |
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self::$map_width = '100%'; |
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self::$map_height = '400px'; |
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self::$div_id = "google_map"; |
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self::$automatic_center = true; |
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self::$hide_marker = false; |
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self::$map_type = 'google.maps.MapTypeId.ROADMAP'; |
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self::$center = 'Paris, France'; |
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self::$info_window_width = 250; |
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self::$allow_full_screen = null; |
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} |
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/** |
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* Set the API key for Google Maps |
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* |
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* @param string $key |
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*/ |
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public static function set_api_key($key) { |
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self::$api_key = $key; |
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} |
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/** |
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* Set the default size of the map |
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* |
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* @param int $width |
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* @param int $height |
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*/ |
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public static function set_map_size($width, $height) { |
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self:: $map_width = $width; |
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self::$map_height = $height; |
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} |
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/** |
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* FIXME - NOT USED? |
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* Set the type of the gmap |
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* |
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* @param string $mapType (can be 'google.maps.MapTypeId.ROADMAP', 'G_SATELLITE_MAP', |
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* 'G_HYBRID_MAP', 'G_PHYSICAL_MAP') |
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* |
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* @return void |
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*/ |
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public static function set_map_type($mapType) { |
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self::$map_type = $mapType; |
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} |
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/** |
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* FIXME - NOT USED? |
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* Set the with of the gmap infowindow (on marker clik) |
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* |
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* @param int $info_window_width GoogleMap info window width |
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* |
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* @return void |
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*/ |
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public static function set_info_window_width($info_window_width) |
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{ |
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self::$info_window_width = $info_window_width; |
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} |
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/** |
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* FIXME - NOT USED? |
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* Set the center of the gmap (an address) |
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* |
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* @param string $center GoogleMap center (an address) |
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* |
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* @return void |
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*/ |
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public static function set_center($center) |
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{ |
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self::$center = $center; |
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} |
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/** |
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* Get a new GoogleMapAPI object and load it with the default settings |
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* |
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* @return MapAPI |
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*/ |
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public static function instance() |
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{ |
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self::$instances++; |
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if (self::$allow_full_screen == null) { |
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self::$allow_full_screen = Config::inst()->get('Mappable', 'allow_full_screen'); |
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} |
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$url = Director::absoluteBaseURL(); |
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// remove http and https |
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$url = str_replace('http://', '', $url); |
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$url = str_replace('https://', '', $url); |
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$parts = explode('/', $url); |
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$host = $parts[0]; |
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$key = self::$api_key; |
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// if an array, get the key by an array keyed by host |
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if (is_array($key)) { |
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$key = $key[$host]; |
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} |
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$gmap = new MapAPI($key); |
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$gmap->setDivId(self::$div_id."_".self::$instances); |
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$gmap->setEnableAutomaticCenterZoom(self::$automatic_center); |
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$gmap->setSize(self::$map_width, self::$map_height); |
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$gmap->setDefaultHideMarker(self::$hide_marker); |
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$gmap->setMapType(self::$map_type); |
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$gmap->setCenter(self::$center); |
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$gmap->setAllowFullScreen(self::$allow_full_screen); |
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return $gmap; |
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} |
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/** |
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* Sanitize a string of HTML content for safe inclusion in the JavaScript |
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* for a Google Map |
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* |
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* @return string |
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*/ |
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public static function sanitize($content) { |
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return addslashes(str_replace(array("\n", "\r", "\t"), '', $content)); |
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} |
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/** |
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* Creates a new {@link GoogleMapsAPI} object loaded with the default settings |
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* and places all of the items in a {@link SS_List} |
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* e.g. {@link DataList} or {@link ArrayList} on the map |
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* |
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* @param SS_List list of objects to display on a map |
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* @param array $infowindowtemplateparams Optional array of extra parameters to pass to the map info window |
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* @return MapAPI |
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*/ |
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public static function get_map(SS_List $list, $infowindowtemplateparams) { |
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$gmap = self::instance(); |
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if ($list) { |
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foreach ($list as $mappable) { |
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if (self::ChooseToAddDataobject($mappable)) |
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$gmap->addMarkerAsObject($mappable, $infowindowtemplateparams); |
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} |
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} |
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return $gmap; |
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} |
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/** |
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* Determines if the current DataObject should be included to the map |
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* Checks if it has Mappable interface implemented |
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* If it has MapExtension included, the value of MapPinEdited is also checked |
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* |
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* @param DataObject $do |
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* @return bool |
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*/ |
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private static function ChooseToAddDataobject(DataObject $do) { |
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$isMappable = $do->is_a('Mappable'); |
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foreach ($do->getExtensionInstances() as $extension) { |
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$isMappable = $isMappable || $extension instanceof Mappable; |
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} |
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$filterMapPinEdited = $do->hasExtension('MapExtension') |
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? $do->MapPinEdited |
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: true; |
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return $isMappable && $filterMapPinEdited; |
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} |
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} |
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This check looks for assignments to scalar types that may be of the wrong type.
To ensure the code behaves as expected, it may be a good idea to add an explicit type cast.