// places handler
function NewPlaces(mapi) {
	var objplaces = new Object();
	
	objplaces.displayplaces = true;
	objplaces.lastzoom = -1;
	objplaces.mapi = mapi;
	objplaces.places = new Array();
	objplaces.info = null;
	
	objplaces.showPlaces = function() {
		this.displayplaces = true;
		this.recheckLevels();
	}
	
	objplaces.hidePlaces = function() {
		this.displayplaces = false;
		this.recheckLevels();
	}
	
	objplaces.flipPlaces = function() {
		if (this.displayplaces) {
			this.hidePlaces();
		} else {
			this.showPlaces();
		}
	}
	
	objplaces.createPlaceItem = function(item) {
		p = new Array();
		p.data = item;
		p.data.pos = new google.maps.LatLng(p.data.gpslat, p.data.gpslng);
		p.marker = this.mapi.markers.markers[this.mapi.markers.CreatePlaceMarker(this, p.data)];
		    
		//this.mapi.gmap.addOverlay(p.marker);
    p.marker.setMap(this.mapi.gmap);
    
		if ((this.lastzoom < p.data.fromzoom) || (!this.displayplaces)) {
      p.marker.setVisible(false);
      //p.marker.hide();
    }
		
		return p;
	}
	
	objplaces.destroyPlaceItem = function(item) {
		//this.mapi.gmap.removeOverlay(item.marker);
    item.marker.setMap(null);
	}
	
	objplaces.refreshPlacesFromArray = function(places) {
		tmpplaces = new Array();
		
		for (ti = 0; ti < places.length; ti++) {
			tmpplaces[ti] = this.createPlaceItem(places[ti]);
		}
		
		for (ti = 0; ti < this.places.length; ti++) {
			this.destroyPlaceItem(this.places[ti]);
		}
		
		this.places = tmpplaces;
	}
	
	objplaces.reqLoadPlacesError = function() {
	}
	
	objplaces.reqLoadPlacesComplete = function() {
	}
	
	objplaces.reqLoadPlacesSuccess = function(data) {
		if (!data.error) {
			this.refreshPlacesFromArray(data.places);
		} else alert(data.errordesc);
	}
	
	objplaces.loadPlaces = function() {
		var url = 'http://www.kamennimuzici.cz/mapa/places.php';
		var params = {op:'getplaces', area:'all'};
		
		jQuery.ajax({cache:false, context:this, data:params, dataType:'json', error:this.reqLoadPlacesError, success:this.reqLoadPlacesSuccess, complete:this.reqLoadPlacesComplete, url:url, type:'POST'});
	}
	
	objplaces.reloadPlaces = function() {
	}
	
	objplaces.recheckLevels = function() {
		if (this.places.length) {
    
			for (ti = 0; ti < this.places.length; ti++) {
      
				if ((this.places[ti].data.fromzoom <= this.lastzoom) && (this.displayplaces)) {       
					//this.places[ti].marker.show();
          this.places[ti].marker.setVisible(true);
				} else {
					//this.places[ti].marker.hide();
          this.places[ti].marker.setVisible(false);
				}
			}
		}
	}
	
	objplaces.reloadTimerCallback = (function(obj, meth) {
		return function () {
			meth.call(obj);
		}
	})(objplaces, objplaces.reloadPlaces);
	
	objplaces.setReloadTimeout = function(what) {
		if (what == 'zoom') {
			intr = 1000;
		} else {
			intr = 500;
		}
		
		if (this.reloadtimer != null) {
			clearTimeout(this.reloadtimer);
		}
		
		callback = function (obj, meth) {
			f = function () {
				
			}
			f.obj = obj;
			f.meth = meth;
			
			return f;
		}
		
		this.reloadtimer = setTimeout(objplaces.reloadTimerCallback, intr);
	}

	objplaces.onMapChange = function() {
		zoom = this.mapi.gmap.getZoom()
		
		if (this.lastzoom != zoom) {
			this.lastzoom = zoom;
			this.recheckLevels();
			this.setReloadTimeout('zoom');
		} else {
			this.setReloadTimeout('pos');
		}
	}

	objplaces.onResultMouseOver = function(item) {
		this.mapi.markers.markers[item.idmarker].setIcon(icourls.placeSel);
		this.showInfo(item);
	}

	objplaces.onResultMouseOut = function(item) {
		this.mapi.markers.markers[item.idmarker].setIcon(icourls.place);
		this.clearInfos();
	}

	objplaces.onResultClick = function(item) {
		this.openPlaceDetail(this.mapi.markers.markers[item.idmarker].idplace);
	}
	
	objplaces.openPlaceDetail = function(id) {
		this.loadDetail(id);
	}

	objplaces.reqLoadDetailError = function() {
	}
	
	objplaces.reqLoadDetailComplete = function() {
	}
	
	objplaces.reqLoadDetailSuccess = function(data) {
		if (!data.error) {
			this.displayDetail(data);
		} else alert(data.errordesc);
	}

	objplaces.loadDetail = function(id) {
		var url = 'http://www.kamennimuzici.cz/mapa/places.php';
		var params = {op:'getdetail', id:id};
		
		jQuery.ajax({cache:false, context:this, data:params, dataType:'json', error:this.reqLoadDetailError, success:this.reqLoadDetailSuccess, complete:this.reqLoadDetailComplete, url:url, type:'POST'});
	}
	
	objplaces.displayDetail = function(data) {
		//iw = this.mapi.gmap.getInfoWindow();
		label = data.detail.name;
		cont = '<div id="iw_container" style="overflow:auto"><h3>' + data.detail.name + '</h3><div style="padding: 7px 4px 7px 0px; border-top: 1px solid #6E6F6C; border-bottom: 1px solid #6E6F6C">' + ((data.detail.picture.length)?('<img src="http://www.kamennimuzici.cz/imgdyn/places/' + data.detail.picture + '" style="float: right; margin: 0px 0px 7px 7px" alt="-" />'):('')) + data.detail.desc + '<br style="clear: both" /></div><strong style="display: block; width: 350px; padding: 7px 0px 0px 2px">Web: <a href="http://www.kamennimuzici.cz/mapa/places.php?op=redirect&id=' + data.detail.id + '" target="_blank">' + data.detail.urltext + '</a></strong></div>';
		//tab = new GInfoWindowTab(label, cont);
  
		//iw.reset(new google.maps.LatLng(data.detail.gpslat, data.detail.gpslng), [tab], new google.maps.Size(400, 200));
		//pt = this.mapi.gmap.fromLatLngToContainerPixel(new google.maps.LatLng(data.detail.gpslat, data.detail.gpslng));
		//pt.y-= 70;
		//this.mapi.gmap.panTo(this.mapi.gmap.fromContainerPixelToLatLng(pt));
		//iw.show();
    
    iw = new google.maps.InfoWindow({
      content: cont,
      position: new google.maps.LatLng(data.detail.gpslat, data.detail.gpslng)
    });
    
    iw.open(this.mapi.gmap);
	}
	
	objplaces.showInfo = function (item) {
		this.infoLine.reset(item.pos, item.name);
		this.infoLine.draw(true);
		this.infoLine.show();
	}
	
	objplaces.clearInfos = function () {
		this.infoLine.hide();
	}
	
	objplaces.initializeInfo = function() {
		
    function PlaceItemDesc(map) {
			this.t_label = '';
			this.t_pos = new google.maps.LatLng(0, 0);
      
      this.map_ = map;
			this.div_ = null;
      
   
		}
		
		PlaceItemDesc.prototype = new google.maps.OverlayView();
		
		PlaceItemDesc.prototype.reset = function(pos, label) {
			this.t_label = label;
			this.t_pos = pos;
		}
		
		PlaceItemDesc.prototype.show = function() {
			this.div_.style.display = "block";
		}
		
		PlaceItemDesc.prototype.hide = function() {
			this.div_.style.display = "none";
		}
		
		PlaceItemDesc.prototype.onAdd = function() {
    
			var div = document.createElement("div");
			div.style.position = "absolute";
			div.style.display = "none";
      
      var panes = this.getPanes();     
      panes.floatPane.appendChild(div);
			//map.getPane(G_MAP_FLOAT_PANE).appendChild(div);
      
      this.map_ = map;
      this.div_ = div;

		}

		PlaceItemDesc.prototype.onRemove = function() {
			this.div_.parentNode.removeChild(this.div_);
		}

		PlaceItemDesc.prototype.copy = function() {
			return new PlaceItemDesc(this.mapi.gmap);
		}

		PlaceItemDesc.prototype.draw = function(force) {
			if (!force) return;
      
      var overlayProjection = this.getProjection();
      
			var posxy = overlayProjection.fromLatLngToDivPixel(this.t_pos);

			var name = this.t_label.replace(/&/g, "&amp;").replace(/>/g, "&gt;").replace(/</g, "&lt;");

			this.div_.style.width = "1px";
			this.div_.style.height = "1px";
			this.div_.style.left = posxy.x + "px";
			this.div_.style.top = posxy.y + "px";
	
			var posxy = overlayProjection.fromLatLngToContainerPixel(this.t_pos);
	
			var pos = '';
			if (posxy.x > 300) {
				pos+= 'right: 20px; ';
			} else {
				pos+= 'left: 20px; ';
			}
			if (posxy.y > 250) {
				pos+= 'bottom: 20px; ';
			} else {
				pos+= 'top: -20px; ';
			}
	
			this.div_.innerHTML = "<div style='position: absolute; border: 1px solid #B0BFBF; padding: 3px; background-color: #F0FFFF; white-space:nowrap; " + pos + "'><span style='font-weight: bold'>" + name + "</span></div>";
		}
		
		this.infoLine = new PlaceItemDesc(this.mapi.gmap);
    this.infoLine.setMap(this.mapi.gmap);
		//this.mapi.gmap.addOverlay(this.infoLine);
	}

	objplaces.initialize = function() {
		this.loadPlaces();
		this.hndzoomend = google.maps.event.bind(this.mapi.gmap, "zoom_changed", this, this.onMapChange);
		this.hndmove = google.maps.event.bind(this.mapi.gmap, "dragend", this, this.onMapChange);
		this.initializeInfo();
		this.onMapChange();
	}

	return objplaces;
}