var tmpStore = false;
var mapa = false;
var objGeoCurr = false;
var mainMapId = false;
var tabOverlays = new Array();
var tabLabels = new Array();

function changeMainMap() {
			
	var mainMapsList = document.getElementById('selMainMap');
	
	if (mainMapsList.selectedIndex != -1) {	
		for (var i = mainMapsList.length - 1; i>=0; i--) {
			if (mainMapsList.options[i].selected) {
				if (mainMapsList.options[i].value != '') {
					mainMapId = mainMapsList.options[i].value;
				}
			}
		}
	}
	
			
	if (mapa)	{				
    //usuń stare obszary
    if (tabOverlays.length > 0) {
      for (var i=0; i < tabOverlays.length; i++) {
        if (tabOverlays[i] != null) tabOverlays[i].setMap(null);
        //usun obiekt
        tabOverlays[i] = null;
      }
      //wyzeruj tablicę obszarów
      tabOverlays.length = 0;
    }
  
    //usun stare etykietki
    if (tabLabels.length > 0) {
      for (var i=0; i < tabLabels.length; i++) {
        if (tabLabels[i] != null) tabLabels[i].setMap(null);
        //usun obiekt
        tabLabels[i] = null;
      }
      //wyzeruj tablicę etykietek
      tabOverlays.length = 0;
    }
    
		//usun stare komunikaty
		document.getElementById('details').innerHTML = '';		
		showAreas(mainMapId);
	} else document.getElementById('info').innerHTML = "[map_not_init_msg - no translation yet]";
}

function switchDetails(btnId,action) {
//pokazuje szczegółowy opis wybranej mapy
	
	//pokaż opis mapy
	if (action == 1) {
		var idMapy = btnId.substr(5);
		
		if (idMapy) {		
			
			tmpStore = document.getElementById('searchResults').innerHTML;
			document.getElementById('details').style.display = 'block';
			document.getElementById('searchResults').style.display = 'none';
			
			ciag = "action=getMapDetails&mapId=" + idMapy;

			http.abort();	
			http.open("POST", "./engine/common.php", true);
			http.onreadystatechange=function() {
				if(http.readyState < 4)  {
					document.getElementById('details').innerHTML = "trwa pobierania opisu...";
				}
				if(http.readyState == 4) {
					document.getElementById('details').innerHTML = http.responseText;
				}
			}
			// modyfikujemy nagłówek
			http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
			//http.setRequestHeader("Content-length", ciag.length);
			http.send(ciag); 		
		}
	} else {
		//wyswietl listę map dla danego punktu z kopii
		if (tmpStore != false) document.getElementById('searchResults').innerHTML = tmpStore;
		document.getElementById('details').style.display = 'none';
		document.getElementById('searchResults').style.display = 'block';			
	}	
}

function resizeDiv(container,percent_width, percent_height) {

  if ((percent_width > 0) && (percent_width < 100) & (percent_height > 0) && (percent_height < 100)) {
    with(Math) {
      tabDim = getWindowSize().split(';');          
      if (tabDim.length == 2) {
        //pozostawiamy oryginalna szerokosc z css-a
        //container.style.width = floor(tabDim[0] * percent_width / 100) + 'px';
        container.style.height = floor(tabDim[1] * percent_height / 100) + 'px';
      }
    }
  }
}

function loadMap() {
  
  var mapOptions = {
    zoom: 7,
    center: new google.maps.LatLng(51.1139, 17.0700),
    draggableCursor:"crosshair",
    OverviewMapControl: true,
    keyboardShortcuts: true
  };

  resizeDiv(document.getElementById('map'), 60, 75);
	var map = new google.maps.Map(document.getElementById("map"),mapOptions);
	if (map) mapa = map;
}

function getMainMaps() {

	var ciag = "action=getMainMaps";
	
	http.abort();
	http.open("POST", "./engine/common.php", true);
	http.onreadystatechange=function() {
    if (http.readyState == 4) eval(http.responseText);
	}
	// modyfikujemy nagłówek
	http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	//http.setRequestHeader("Content-length", ciag.length);
	http.send(ciag); 	
}

function drawArea(tabPoints, label, labelPoint) {

  var objGeo = new google.maps.Polygon({
    paths: tabPoints,
    strokeWeight: 1,
    strokeOpacity: 0.5,
    strokeColor: '#FF0000', 
    fillOpacity: 0.1,  
    fillColor: '#FF0000'
  });


  google.maps.event.addListener(objGeo,"click", function(event) {
  			
    var labelAnchor = event.latLng;  
    
		if (labelAnchor) {
			
			//zmień kolor dotychczasowego wyróżnionego obszaru
			if (objGeoCurr != false) {
				objGeoCurr.setOptions({
					fillOpacity: 0.1
				});	
			}
			
			//zmień kolor klikniętego obszaru
			objGeo.setOptions({
				fillOpacity: 0.6
			});
			
			//ustaw bieżący obszar
			objGeoCurr = objGeo;
			
		
			var ciag = "parentId=" + mainMapId  + "&point_x=" +labelAnchor.lng().toFixed(5) + "&point_y=" + labelAnchor.lat().toFixed(5)
								+ "&action=getChildDesc";

			http.abort();		
			http.open("POST", "./engine/common.php", true);
			http.onreadystatechange=function() {
				if (http.readyState < 4)  {
					document.getElementById('details').innerHTML = "trwa pobieranie opisu...";
				}
				if (http.readyState == 4) {
					document.getElementById('details').innerHTML = http.responseText;																	
				}
			}
			// modyfikujemy nagłówek
			http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
			//http.setRequestHeader("Content-length", ciag.length);
			http.send(ciag); 																										
		}								
	});			

	google.maps.event.addListener(objGeo,"mouseover", function(event) {
		if (objGeo.fillOpacity != 0.6) {
			objGeo.setOptions({
				fillOpacity: 0.5
			});
		}
	});
	
	google.maps.event.addListener(objGeo,"mouseout", function(event) {		
		if (objGeo.fillOpacity != 0.6) {
			objGeo.setOptions({
				fillOpacity: 0.1
			});
		}
	});
		
  objGeo.setMap(mapa);
	//dodaj do globalnej tablicy
  tabOverlays.push(objGeo);
  
	if (label > 1) {
			
		var objLabel = new ELabel({
      'latlng': labelPoint, 
      'label': label,
      'classname': 'elabel'
      //'offset': new google.maps.Size(2, -14),
    });
    objLabel.setMap(mapa);
    //dodaj do globalnej tablicy
    tabLabels.push(objLabel);
	}
}

//do wygaszenia
function drawArrow(point,angle, label)  {

	//var objGeo = new BDCCArrow(point,angle,'#FF0000', 0.6, label);
	//mapa.addOverlay(objGeo);
  //objGeo.setMap(mapa);	
}
	
function showAreas(parentId) {
//pobiera dane dla map podrzednych (sekcyjnych) i wyrysowuje po kolei ich
//obszary na jednej mapie
			
	if (parentId > 0) {
  
		var currentDate = new Date();
		var startTime = currentDate.getTime();
		$.blockUI({ message: '<div class="modal"><p class="cust_h3">Trwa generowanie mapy skorowidzowej...</p></div>' });
		var ciag = "parentId=" + parentId + "&action=getChildrenCoord";
		
		http.abort();
		http.open("POST", "./engine/common.php", true);
		http.onreadystatechange=function() {
			if(http.readyState == 4) {
				var strRet = http.responseText;
				if (strRet != '0') {
					var tabGeo = strRet.split("|");
					var objGeo = false;
          var bounds = new google.maps.LatLngBounds(new google.maps.LatLng(52,18));
					for (var i = 0; i < tabGeo.length; i++) {
						var tabCoord = tabGeo[i].split(",");
						if (tabCoord.length > 0) {
							var label = false;
							var text = false;
							var tabPoints = new Array();
							switch(tabCoord.length) {
								case 4: //widok
										label = tabCoord[3];
										//nieuzywana - do wygaszenia
										drawArrow(new google.maps.LatLng(tabCoord[1],tabCoord[0]),tabCoord[2],label);
								break;
								case 5: //uproszczony obszar
										tabPoints.push(new google.maps.LatLng(tabCoord[3],tabCoord[0]));
										tabPoints.push(new google.maps.LatLng(tabCoord[3],tabCoord[1]));
										tabPoints.push(new google.maps.LatLng(tabCoord[2],tabCoord[1]));
										tabPoints.push(new google.maps.LatLng(tabCoord[2],tabCoord[0]));
										tabPoints.push(new google.maps.LatLng(tabCoord[3],tabCoord[0]));
										label = tabCoord[4];
										drawArea(tabPoints,label,tabPoints[0]);	
								break;
								case 9: //pełny obszar
										tabPoints.push(new google.maps.LatLng(tabCoord[4],tabCoord[0]));
										tabPoints.push(new google.maps.LatLng(tabCoord[5],tabCoord[1]));
										tabPoints.push(new google.maps.LatLng(tabCoord[6],tabCoord[2]));
										tabPoints.push(new google.maps.LatLng(tabCoord[7],tabCoord[3]));
										tabPoints.push(new google.maps.LatLng(tabCoord[4],tabCoord[0]));
										label = tabCoord[8];
										drawArea(tabPoints,label,tabPoints[3]);										
								break;
							}
              for (var inc=0; inc < tabPoints.length; inc++) {
                bounds.extend(tabPoints[inc]);  
              } 
						}
					}
					
					try {
            mapa.fitBounds(bounds); 
						//mapa.setCenter(new google.maps.LatLng(52,18));
					} catch(err) {
							//brak akcji
					}
					$.unblockUI();	
				} else {
					document.getElementById('details').innerHTML = 'Wybrana mapa nie posiada wpisanych arkuszy';	
					$.unblockUI();
				}
			}
		}
	
		// modyfikujemy nagłówek
		http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		//http.setRequestHeader("Content-length", ciag.length);
		http.send(ciag); 		
		
	} 						
}