/**
 * Color settings, enter colors as RRGGBB
 */
function mapConfig()
 { 	return  { 		maxResults			: 1000,
		addCurtain			: true,		// Color overlay to make markers stand out more
		curtainOpacity		: .4,		// 0-1
		curtainColor		: 'ffffff',
		markerCircleColor	: 'E20074',
		clusterLabelColor	: 'ffffff',
		clusterCircleColor	: 'E20074',
		zoomlevelSearch		: 5,
		zoomlevelMini		: 13,
		maxDistanceNeighbors: 20000,
		maxNeighbors		: 30,
		editMapDefaultLat	: 52.36314,
		editMapDefaultLong	: 4.89193,
		editMapDefaultZoom	: 3,
		popupOffset			: 0

	};
}

// 
/*
	ClusterMarker Version 1.3.2
	
	A marker manager for the Google Maps API
	http://googlemapsapi.martinpearman.co.uk/clustermarker
	
	-----
	
	Modified by Blaise, march 2009, dec 2009
*/

function ClusterMarker(obj_googlemaps, $options){
	this.obj_googlemaps	= obj_googlemaps;
	this._map			= this.obj_googlemaps.map;
	this._mapMarkers	= [];
	this._iconBounds	= [];
	this._clusterMarkers= [];
	this._eventListeners= [];

	if (typeof($options) === 'undefined')
	{
		$options={};
	}

	this.borderPadding = 0; // keep this 0, fucks up zooming in

	this.clusteringEnabled = ($options.clusteringEnabled === false) ? false : true;
	
	//	create an array with which to cache all cluster marker icons as they are created
	//	avoiding repeated requests using MapIconMaker for the same marker
	this.clusterMarkerIconCache=[];
	
	if ($options.fitMapMaxZoom)
	{
		this.fitMapMaxZoom=$options.fitMapMaxZoom;
	}
	
	this.intersectPadding = 10;
	
	if($options.markers){
		this.addMarkers($options.markers);
	}
	GEvent.bind(this._map, 'moveend', this, this._moveEnd);
	GEvent.bind(this._map, 'zoomend', this, this._zoomEnd);
	GEvent.bind(this._map, 'maptypechanged', this, this._mapTypeChanged);
}

ClusterMarker.prototype.addMarkers=function($markers){
	var i;
	if(!$markers[0]){
		//	assume $markers is an associative array and convert to a numerically indexed array
		var $numArray=[];
		for(i in $markers){
			$numArray.push($markers[i]);
		}
		$markers=$numArray;
	}
	for(i=$markers.length-1; i>=0; i--){
		$markers[i]._isVisible=false;
		$markers[i]._isActive=false;
		$markers[i]._makeVisible=false;
	}
	this._mapMarkers=this._mapMarkers.concat($markers);
};

ClusterMarker.prototype._clusterMarker=function($clusterGroupIndexes)
{
	function $newClusterMarker($location, $icon, $title)
	{
		return new GMarker($location, {icon:$icon, title:$title});
	}
	
	var $clusterGroupBounds=new GLatLngBounds(), i, $maxTitles=25, $clusterMarker, $clusteredMarkers=[], $clusterMarkerTitles=[], $marker, $this=this, $mapMarkers=this._mapMarkers;
	
	for (i=$clusterGroupIndexes.length-1; i>=0; i--)
	{
		$marker=$mapMarkers[$clusterGroupIndexes[i]];
		$marker.index=$clusterGroupIndexes[i];
		$clusterGroupBounds.extend($marker.getLatLng());
		$clusteredMarkers.push($marker);
	
		if ($clusterMarkerTitles.length <= $maxTitles)
		{
			var markerTitle = this.obj_googlemaps.markers[$clusterGroupIndexes[i]].title;
			if (markerTitle) { $clusterMarkerTitles.push(markerTitle); }
		}
	}
	
	$clusterMarkerTitle  = $clusterMarkerTitles.join(', ');
	$clusterMarkerTitle += ($clusterMarkerTitles.length >= $maxTitles) ? ' …' : '.';
	$clusterMarkerTitle  = $('<textarea/>').html($clusterMarkerTitle).val();
	
	$clusterMarker = $newClusterMarker($clusterGroupBounds.getCenter(), this.clusterMarkerIcon($clusterGroupIndexes), $clusterMarkerTitle);
	
	$clusterMarker.clusterGroupBounds = $clusterGroupBounds;	//	only req'd for default cluster marker click action
	var self = this;
	this._eventListeners.push(GEvent.addListener($clusterMarker, 'click', function()
	{
		self.obj_googlemaps.clusterMarkerClick({ clusterMarker:$clusterMarker, clusteredMarkers:$clusteredMarkers });
	}));
	$clusterMarker._childIndexes=$clusterGroupIndexes;
	for(i=$clusterGroupIndexes.length-1; i>=0; i--){
		$mapMarkers[$clusterGroupIndexes[i]]._parentCluster=$clusterMarker;
	}
	return $clusterMarker;
};

ClusterMarker.prototype.clusterMarkerClick=function($args)
{
	this._map.setCenter($args.clusterMarker.getLatLng(), this._map.getBoundsZoomLevel($args.clusterMarker.clusterGroupBounds));
};

ClusterMarker.prototype.clusterMarkerIcon=function($clusterGroupIndexes){
	//	a new method to return a dynamically created icon showing $count as text on the icon
	//	first check to see if the required icon has already been created
	var $count = $clusterGroupIndexes.length;
	if (this.clusterMarkerIconCache[$count] && !this.obj_googlemaps.options.markActive)
	{
		return this.clusterMarkerIconCache[$count];
	}
	else
	{
		//	create the required icon, cache it and return it from this method
		var containsActiveMarker = false;
		if (this.obj_googlemaps.options.markActive)
		{
			for (var i=0; i<$clusterGroupIndexes.length; i++)
			{
				if (this.obj_googlemaps.markers[$clusterGroupIndexes[i]].id == this.obj_googlemaps.options.thg_id)
				{
					containsActiveMarker = true;
					break;
				}
			}
		}
		
		$icon = this.obj_googlemaps.createMarker($count, containsActiveMarker);

		this.clusterMarkerIconCache[$count] = $icon;
		return $icon;
	}
};

ClusterMarker.prototype._filterActiveMapMarkers=function(){
	var $borderPadding=this.borderPadding, $mapZoomLevel=this._map.getZoom(), $mapProjection=this._map.getCurrentMapType().getProjection(), $mapPointSw, $activeAreaPointSw, $activeAreaLatLngSw, $mapPointNe, $activeAreaPointNe, $activeAreaLatLngNe, $activeAreaBounds=this._map.getBounds(), i, $marker, $uncachedIconBoundsIndexes=[], $oldState, $mapMarkers=this._mapMarkers, $iconBounds=this._iconBounds;
	if($borderPadding){
		$mapPointSw=$mapProjection.fromLatLngToPixel($activeAreaBounds.getSouthWest(), $mapZoomLevel);
		$activeAreaPointSw=new GPoint($mapPointSw.x-$borderPadding, $mapPointSw.y+$borderPadding);
		$activeAreaLatLngSw=$mapProjection.fromPixelToLatLng($activeAreaPointSw, $mapZoomLevel);
		$mapPointNe=$mapProjection.fromLatLngToPixel($activeAreaBounds.getNorthEast(), $mapZoomLevel);
		$activeAreaPointNe=new GPoint($mapPointNe.x+$borderPadding, $mapPointNe.y-$borderPadding);
		$activeAreaLatLngNe=$mapProjection.fromPixelToLatLng($activeAreaPointNe, $mapZoomLevel);
		$activeAreaBounds.extend($activeAreaLatLngSw);
		$activeAreaBounds.extend($activeAreaLatLngNe);
	}
	this._activeMarkersChanged=false;
	if(typeof($iconBounds[$mapZoomLevel])==='undefined'){
		//	no iconBounds cached for this zoom level
		//	no need to check for existence of individual iconBounds elements
		this._iconBounds[$mapZoomLevel]=[];
		this._activeMarkersChanged=true;	//	force refresh(true) as zoomed to uncached zoom level
		for(i=$mapMarkers.length-1; i>=0; i--){
			$marker=$mapMarkers[i];
			$marker._isActive=$activeAreaBounds.containsLatLng($marker.getLatLng())?true:false;
			$marker._makeVisible=$marker._isActive;
			if($marker._isActive){
				$uncachedIconBoundsIndexes.push(i);
			}
		}
	}else{
		//	icondBounds array exists for this zoom level
		//	check for existence of individual iconBounds elements
		for(i=$mapMarkers.length-1; i>=0; i--){
			$marker=$mapMarkers[i];
			$oldState=$marker._isActive;
			$marker._isActive=$activeAreaBounds.containsLatLng($marker.getLatLng())?true:false;
			$marker._makeVisible=$marker._isActive;
			if(!this._activeMarkersChanged && $oldState!==$marker._isActive){
				this._activeMarkersChanged=true;
			}
			if($marker._isActive && typeof($iconBounds[$mapZoomLevel][i])==='undefined'){
				$uncachedIconBoundsIndexes.push(i);
			}
		}
	}
	return $uncachedIconBoundsIndexes;
};

ClusterMarker.prototype._filterIntersectingMapMarkers=function(){
	var $clusterGroup, i, j, $mapZoomLevel=this._map.getZoom(), $mapMarkers=this._mapMarkers, $iconBounds=this._iconBounds;
	for(i=$mapMarkers.length-1; i>0; i--)
	{
		if($mapMarkers[i]._makeVisible){
			$clusterGroup=[];
			for(j=i-1; j>=0; j--){
				if($mapMarkers[j]._makeVisible && $iconBounds[$mapZoomLevel][i].intersects($iconBounds[$mapZoomLevel][j])){
					$clusterGroup.push(j);
				}
			}
			if($clusterGroup.length!==0){
				$clusterGroup.push(i);
				for(j=$clusterGroup.length-1; j>=0; j--){
					$mapMarkers[$clusterGroup[j]]._makeVisible=false;
				}
				this._clusterMarkers.push(this._clusterMarker($clusterGroup));
			}
		}
	}
};

ClusterMarker.prototype.fitMapToMarkers=function(getZoom){
	var $mapMarkers=this._mapMarkers, $markersBounds=new GLatLngBounds(), i;
	for(i=$mapMarkers.length-1; i>=0; i--){
		$markersBounds.extend($mapMarkers[i].getLatLng());
	}
	var $fitMapToMarkersZoom=this._map.getBoundsZoomLevel($markersBounds) - 1;
	
	if(this.fitMapMaxZoom && $fitMapToMarkersZoom>this.fitMapMaxZoom){
		$fitMapToMarkersZoom=this.fitMapMaxZoom;
	}

	$fitMapToMarkersZoom = Math.min(this.obj_googlemaps.options.maxzoom, $fitMapToMarkersZoom);
	$fitMapToMarkersZoom = (this.obj_googlemaps.options.mapSize == 'small') ? Math.max($fitMapToMarkersZoom, 1) : Math.max($fitMapToMarkersZoom, 2);
	
	if (getZoom)
	{
		return $fitMapToMarkersZoom;
	}
	else
	{
		this._map.setCenter($markersBounds.getCenter(), $fitMapToMarkersZoom, this.obj_googlemaps.options.mapType);
		this.refresh();
	}
};

ClusterMarker.prototype._mapTypeChanged=function(){
	this.refresh(true);
};

ClusterMarker.prototype._moveEnd=function(){
	if(!this._cancelMoveEnd){
		this.refresh();
	}else{
		this._cancelMoveEnd=false;
	}
};

ClusterMarker.prototype._preCacheIconBounds=function($indexes, $mapZoomLevel){
	var $mapProjection=this._map.getCurrentMapType().getProjection(), i, $marker, $iconSize, $iconAnchorPoint, $iconAnchorPointOffset, $iconBoundsPointSw, $iconBoundsPointNe, $iconBoundsLatLngSw, $iconBoundsLatLngNe, $intersectPadding=this.intersectPadding, $mapMarkers=this._mapMarkers;
	
	// Trim some intersection padding
	if (this._map.getZoom() > 15) $intersectPadding = 2;
	
	for(i=$indexes.length-1; i>=0; i--){
		$marker=$mapMarkers[$indexes[i]];
		$iconSize=$marker.getIcon().iconSize;
		$iconAnchorPoint=$mapProjection.fromLatLngToPixel($marker.getLatLng(), $mapZoomLevel);
		$iconAnchorPointOffset=$marker.getIcon().iconAnchor;
		$iconBoundsPointSw=new GPoint($iconAnchorPoint.x-$iconAnchorPointOffset.x-$intersectPadding, $iconAnchorPoint.y-$iconAnchorPointOffset.y+$iconSize.height+$intersectPadding);
		$iconBoundsPointNe=new GPoint($iconAnchorPoint.x-$iconAnchorPointOffset.x+$iconSize.width+$intersectPadding, $iconAnchorPoint.y-$iconAnchorPointOffset.y-$intersectPadding);
		$iconBoundsLatLngSw=$mapProjection.fromPixelToLatLng($iconBoundsPointSw, $mapZoomLevel);
		$iconBoundsLatLngNe=$mapProjection.fromPixelToLatLng($iconBoundsPointNe, $mapZoomLevel);
		this._iconBounds[$mapZoomLevel][$indexes[i]]=new GLatLngBounds($iconBoundsLatLngSw, $iconBoundsLatLngNe);
	}
};

ClusterMarker.prototype.refresh=function($forceFullRefresh){
	var i, j, $marker, $visibleMarkers = [], $zoomLevel=this._map.getZoom(), $uncachedIconBoundsIndexes=this._filterActiveMapMarkers();
	
	if (this._activeMarkersChanged || $forceFullRefresh)
	{
		this._removeClusterMarkers();

		// if(this.clusteringEnabled && $zoomLevel<this._map.getCurrentMapType().getMaximumResolution()){

		if (this.clusteringEnabled)
		{
			if ($uncachedIconBoundsIndexes.length > 0)
			{
				this._preCacheIconBounds($uncachedIconBoundsIndexes, $zoomLevel);
			}
			this._filterIntersectingMapMarkers();
		} else
		{
			// zooming in any further will not uncluster
		}
		
		// Add clusters to map
		for (i=this._clusterMarkers.length-1; i>=0; i--)
		{
			this._map.addOverlay(this._clusterMarkers[i]);
		}
		
		// Add/remove markers to/from map
		for (i=this._mapMarkers.length-1; i>=0; i--)
		{
			$marker=this._mapMarkers[i];
			if (!$marker._isVisible && $marker._makeVisible)
			{
				this._map.addOverlay($marker);
				$marker._isVisible = true;
			}
			if ($marker._isVisible)
			{
				if (!$marker._makeVisible)
				{
					this._map.removeOverlay($marker);
					$marker._isVisible=false;
				}
			}
		}
	}
};


// Get visible markers
ClusterMarker.prototype.getMarkersStatus=function()
{
	var markers = this._mapMarkers, length=markers.length, visible=[];
	for (var i=0; i<length; i++)
	{
		if (markers[i]._isVisible || markers[i]._isActive)
		{
			visible.push(markers[i]);
		}
	}
	return visible;
};



ClusterMarker.prototype._removeClusterMarkers=function(){
	var i, j, $map=this._map, $eventListeners=this._eventListeners, $clusterMarkers=this._clusterMarkers, $childIndexes, $mapMarkers=this._mapMarkers;
	for(i=$clusterMarkers.length-1; i>=0; i--){
		$childIndexes=$clusterMarkers[i]._childIndexes;
		for(j=$childIndexes.length-1; j>=0; j--){
			delete $mapMarkers[$childIndexes[j]]._parentCluster;
		}
		$map.removeOverlay($clusterMarkers[i]);
	}
	for(i=$eventListeners.length-1; i>=0; i--){
		GEvent.removeListener($eventListeners[i]);
	}
	this._clusterMarkers=[];
	this._eventListeners=[];
};

ClusterMarker.prototype.removeMarkers=function(){
	var i, $mapMarkers=this._mapMarkers, $map=this._map;
	for(i=$mapMarkers.length-1; i>=0; i--){
		if($mapMarkers[i]._isVisible){
			$map.removeOverlay($mapMarkers[i]);
		}
		delete $mapMarkers[i]._isVisible;
		delete $mapMarkers[i]._isActive;
		delete $mapMarkers[i]._makeVisible;
	}
	this._removeClusterMarkers();
	this._mapMarkers=[];
	this._iconBounds=[];
};

ClusterMarker.prototype.triggerClick=function($index){
	var $marker=this._mapMarkers[$index];
	if($marker._isVisible){
		//	$marker is visible
		GEvent.trigger($marker, 'click');
	}
	else if($marker._isActive){
		//	$marker is clustered
		var $clusteredMarkersIndexes=$marker._parentCluster._childIndexes, $intersectDetected=true, $uncachedIconBoundsIndexes, i, $mapZoomLevel=this._map.getZoom(), $clusteredMarkerIndex, $iconBounds=this._iconBounds, $mapMaxZoomLevel=this._map.getCurrentMapType().getMaximumResolution();
		while($intersectDetected && $mapZoomLevel<$mapMaxZoomLevel){
			$intersectDetected=false;
			$mapZoomLevel++;
			if(typeof($iconBounds[$mapZoomLevel])==='undefined'){
				//	no iconBounds cached for this zoom level
				//	no need to check for existence of individual iconBounds elements
				$iconBounds[$mapZoomLevel]=[];
				// need to create cache for all clustered markers at $mapZoomLevel
				this._preCacheIconBounds($clusteredMarkersIndexes, $mapZoomLevel);
			}else{
				//	iconBounds array exists for this zoom level
				//	check for existence of individual iconBounds elements
				$uncachedIconBoundsIndexes=[];
				for(i=$clusteredMarkersIndexes.length-1; i>=0; i--){
					if(typeof($iconBounds[$mapZoomLevel][$clusteredMarkersIndexes[i]])==='undefined'){
						$uncachedIconBoundsIndexes.push($clusteredMarkersIndexes[i]);
					}
				}
				if($uncachedIconBoundsIndexes.length>=1){
					this._preCacheIconBounds($uncachedIconBoundsIndexes, $mapZoomLevel);
				}
			}
			for(i=$clusteredMarkersIndexes.length-1; i>=0; i--){
				$clusteredMarkerIndex=$clusteredMarkersIndexes[i];
				if($clusteredMarkerIndex!==$index && $iconBounds[$mapZoomLevel][$clusteredMarkerIndex].intersects($iconBounds[$mapZoomLevel][$index])){	
					$intersectDetected=true;
					break;
				}
			}
			
		};
		this._map.setCenter($marker.getLatLng(), $mapZoomLevel);
		this.triggerClick($index);
	}else{
		// $marker is not within active area (map bounds + border padding)
		this._map.setCenter($marker.getLatLng());
		this.triggerClick($index);
	}
};

ClusterMarker.prototype._zoomEnd=function(){
	this._cancelMoveEnd=true;
	this.refresh(true);
};
//