var fullscreen = false;

function doGoFullScreen() {
  setFullScreen(true);
  document.getElementById('restorescreen').style.visibility = "visible";
  document.getElementById('restorescreen').innerHTML = "<img src=mmmap/images/min.gif> ";

  document.getElementById('gofullscreen').style.visibility = "hidden";
  document.getElementById('gofullscreen').innerHTML = "";

  document.getElementById('fullscreentitle').style.visibility = "visible";
  document.getElementById('menu_area').style.visibility = "hidden";
  document.getElementById('todays_message').style.visibility = "hidden";
}

function doRestoreScreen() {
  setFullScreen(false);
  document.getElementById('restorescreen').style.visibility = "hidden";
  document.getElementById('restorescreen').innerHTML = "";

  document.getElementById('gofullscreen').style.visibility = "visible";
  document.getElementById('gofullscreen').innerHTML = "<img src=mmmap/images/max.gif> ";

  document.getElementById('fullscreentitle').style.visibility = "hidden";
  document.getElementById('menu_area').style.visibility = "visible";
  document.getElementById('todays_message').style.visibility = "visible";
}

function setFullScreen(_f) {
  fullscreen = _f;
  myRepaint();
}

function switchmapmode(){
  var r = document.getElementById('showicons');
  var e = document.getElementById('langselect');

  if (!r || !e) {
    return;
  }

  var mode;

  r.disabled = false;
  e.disabled = false;
  mode = (r.checked?'icons':'normal') + (e.checked?'-en':'');

  mmmap.setMapMode(mode);
  mmmap.setAllImagesUsedButNotSetToEmpty();
  mmmap.initPOIArrays();
  mmmap.clearCustomDivs();

  myRepaint();
}

function blocktoggle(type) {			
	var news = document.getElementById("news_content").style.display;		
	var settings = document.getElementById("setting_panel_contents").style.display;

	var settingsHeight =  40;	
	var newsHeight = document.getElementById("news_content").offsetHeight;	
	var height=158; // not really used?
	
	if (type==0) { //news
		if(newsHeight==1) {return;}
		if(news=='block') {			
			document.getElementById("news_content").style.display='none';
			document.getElementById("optionimg0").src="files/images/up.gif";			
		} else {
			document.getElementById("news_content").style.display='block';
			document.getElementById("optionimg0").src="files/images/down.gif";			
			var newsHeight = document.getElementById("news_content").offsetHeight;	
			height = height + newsHeight;			
		}
		if (settings=='none') {
			height = height - 40;		
		}
  } else { // settings
  	if (settings == 'block') {
	  	height = height + newsHeight - settingsHeight;	  	
			document.getElementById("setting_panel_contents").style.display='none';
			document.getElementById("optionimg1").src="files/images/up.gif";  	
	  } else {
			height = height + newsHeight;	
		  document.getElementById("setting_panel_contents").style.display='block';
			document.getElementById("optionimg1").src="files/images/down.gif";		
  	} 
  }		
  searchresult.rePaint();
}

function myRepaint() {
  if (! document.getElementById("mmmap_div") ) {
    return;
  }
  chkWinSize();

  var newwidth;
  var newheight;
  var newtop;
  var newleft;

  if (fullscreen) {
    newwidth = parseInt(ww);
    newheight = wh;
    newtop = - 157;
    newleft = - 5;
  } else {
    newwidth = parseInt(ww) - 250;
    newheight = parseInt(wh) - 157 - 5 - 5;
    newtop = 0; // normal top
    newleft = 0; // normal left
  }

  document.getElementById("mmmap_div").style.top = newtop;
  document.getElementById("mmmap_div").style.left = newleft;

  if (document.getElementById("right_panel")) {
    if (fullscreen) {
      document.getElementById("right_panel").style.visibility = "hidden";
    } else {
      document.getElementById("right_panel").style.visibility = "visible";
    }
  }

  if (currentmode == "mm") {
    mmmap.setSize(newwidth,newheight);
    mmmap.rePaint();
  } else { 
    if (currentmode == "hybrid") {
      mmmap.setSize(newwidth,newheight);
      mmmap.rePaint();
    }

    document.getElementById("googlemap_div").style.top = newtop;
    gmap.setSize(newwidth,newheight);
  }

  // update div

  // for Firefox 3
  if (document.getElementById("todays_message")) {
    document.getElementById("todays_message").style.width = ww;
    document.getElementById("right_panel").style.left = newwidth + 5;;
  }
  
  if (searchresult) {
    searchresult.rePaint();
  }
}

function updateLang() {

  //showDiv('searchresult', '');
  clearAllPopups();
  clearMarks();
  clearCurrentRoads();

  switchmapmode();
}

function setKeyFocusAtMaparea() {
	// set focus back for keyboard handler (bad workaround for Firefox)
	document.onkeydown=kh.doKeyDown;
	document.onkeypress=kh.doKeyDown;

  document.getElementById('searchfor').blur();

	//if (browser != "Konqueror") 
		mymaparea.focus();
}

function showTrafficStatus() {
	var checkbox = document.getElementById("show_traffic_status");
	if (checkbox.checked) {
		var d = new Date;
		var timestamp = d.getTime();

		var pars = "timestamp=" + encodeURIComponent( timestamp )
			+ "&action=showtraffic";

		var url = '/mmmap/rpc.php';
		var myAjax = new Ajax.Request(url, {method: 'get', parameters: pars, onSuccess: handleResponse});
	} else {
		MMMapclearLines();
	}
}

function showRoad(roadname) {
	var d = new Date;
	var timestamp = d.getTime();

	var pars = "roadname=" + encodeURIComponent( roadname )
		+ "&timestamp=" + encodeURIComponent( timestamp )
    + "&map=ms22"
		+ "&action=showroad";

	var url = '/mmmap/rpc.php';
	var myAjax = new Ajax.Request(url, {method: 'get', parameters: pars, onSuccess: handleResponse});
}

function showKhet(name) {
	var d = new Date;
	var timestamp = d.getTime();

	var pars = "khetname=" + encodeURIComponent( name )
		+ "&timestamp=" + encodeURIComponent( timestamp )
    + "&map=ms22"
		+ "&action=showkhet";

	var url = '/mmmap/rpc.php';
	var myAjax = new Ajax.Request(url, {method: 'get', parameters: pars, onSuccess: handleResponse});
}

function showTag(tagname) {
  var mode;
  if (document.getElementById('graymapfortag') && document.getElementById('graymapfortag').checked) {
    if (mylang && mylang == "en") {
      mode = "traffic-en";
    } else {
      mode = "traffic";
    }
  }

  updateModeSelector(mode);

  mmmap.setMapMode(mode);
  mmmap.clearAllOOITags();
  mmmap.showOOITagWithShowLevel(tagname,3,0,12,0);
}

function updateModeSelector(mode) {
  var selector = document.getElementById('modeselectorselect');
  for (var i =0; i<selector.options.length; i++) {
    if (selector.options[i].value == mode) {
      selector.selectedIndex = i;
      break;
    }
  }
}

var _last_search_latitude;
var _last_search_longitude;

function doPreviousSearch(searchterm) {
  _doSearch(searchterm, _last_search_latitude, _last_search_longitude);
}

function doSearch(searchterm) {

  if (currentmode == "gmap") {
  	latitude = gmap.gmap_object.getCenter().lat();
  	longitude = gmap.gmap_object.getCenter().lng();
  }

  // save location
  _last_search_latitude = latitude;
  _last_search_longitude = longitude;

  _doSearch(searchterm, latitude, longitude);
}

function _doSearch(searchterm, mycenter_lat, mycenter_long) {
	if (searchterm == "") {
		searchterm = document.getElementById("searchfor").value;
	} else {
		document.getElementById('searchfor').value = searchterm;
		document.getElementById('searchfor').focus();
		document.getElementById('searchfor').select();
	}

  // filter out geocode search
  var re = new RegExp(/^([A-Za-z0-9]{4,5})-([A-Za-z0-9]{4,5})$/);
  var m = re.exec(searchterm);
  if( m != null) {
    // TH-GeoCode!
    mmmap.setCenterByTG(m[1], m[2]);
    
    if(currentmode != "gmap") mmmap.showPopUpWithLink(latitude,longitude, searchterm , "Latitude: " + latitude + "<br>Longitude: " + longitude, "?tg=" +searchterm);

    return(false);
  }

  // then lat,long
  re = new RegExp(/^([0-9]+(\.[0-9]+)?),\s?([0-9]+(\.[0-9]+)?)$/);
  m = re.exec(searchterm);
  if( m != null) {
    // lat,long
    mmmap.moveTo(m[1], m[3]);

    if(currentmode != "gmap") mmmap.showPopUpWithLink(latitude,longitude, searchterm , "Latitude: " + latitude + "<br>Longitude: " + longitude);

    return(false);
  }


	showDiv("searchresult", '<font color=brown>Searching...</font>');
	//searchresult.rePaint();

	var d = new Date;
	var timestamp = d.getTime();

	var bMark = document.getElementById('bookmark').value;

	var pars = "search=" + encodeURIComponent( searchterm )
		+ "&timestamp=" + encodeURIComponent( timestamp )
		+ "&bookmark=" + encodeURIComponent(bMark)
		+ "&center_lat=" + encodeURIComponent( mycenter_lat )
		+ "&center_long=" + encodeURIComponent( mycenter_long )
    + "&map=ms22"
		+ "&action=searchxml";

	var url = '/mmmap/rpc.php';
	var myAjax = new Ajax.Request(url, {method: 'get', parameters: pars, onSuccess: handleResponse});

}

function setBookmark(bMark) {	
	document.getElementById('bookmark').value= bMark
}

function showLocationDetail(id, popup_idx) {
	showDiv("locationdetails_contents", '<font color=brown>Loading...</font>');

	var d = new Date;
	var timestamp = d.getTime();
	var pars = "timestamp=" + encodeURIComponent( timestamp );
	var url = '/mmmap/rpc.php';

	var pars = "id=" + encodeURIComponent( id )
		+ "&timestamp=" + encodeURIComponent( timestamp )
		+ "&locale=" + mylang
    + "&map=ms22"
		+ "&action=showpoidetails";
		
  var callbackFn = function(txt) {
    handleResponse(txt); 
    //document.getElementById('locationdetails_contents').innerHTML = content
    mmmap.updatePopupContents(popup_idx);
  }
  
	var myAjax = new Ajax.Request(url, {method: 'get', parameters: pars, onSuccess: callbackFn});
}

function showPOI(id) {
  showPOIWithCenterMovement(id,1);
}

// dozoom: 1 = zoom, 0 = don't zoom
function showPOIWithCenterMovement(id, dozoom) {
	var d = new Date;
	var timestamp = d.getTime();

	var pars = "timestamp=" + encodeURIComponent( timestamp );
	var url = '/mmmap/rpc.php';

	var pars = "id=" + encodeURIComponent( id )
		+ "&timestamp=" + encodeURIComponent( timestamp )
    + "&map=ms22" 
    + "&dozoom=" + dozoom
		+ "&action=showpoi";

	var myAjax = new Ajax.Request(url, {method: 'get', parameters: pars, onSuccess: handleResponse});
}


function getPOIs(imgid,dispimg,res) {
	var d = new Date;
	var timestamp = d.getTime();
	var pars = "dispimg=" + encodeURIComponent(dispimg) 
		+ "&imgid=" + encodeURIComponent(imgid) 
		+ "&res=" + encodeURIComponent(res) 
		+ "&action=getpois"
    + "&map=ms22";
	//        + "&timestamp=" + encodeURIComponent( timestamp );

	var url = '/mmmap/rpc.php';
	var myAjax = new Ajax.Request(url, {method: 'get', parameters: pars, onSuccess: handleResponse});
}

var search_results_poi; // to keep the latest search results

// Destructor
function destroy() {
	if (gmapjsloaded) {
		GUnload();
	}
}

function showMMMap() {
	if (! document.getElementById("mmmap_div") ) {
		window.location="/";
		return;
	}

	if (currentmode == "mm" ) {
		return;
	}
	currentmode = "mm";
	mmmap.currentmode = "mm";
  mmmap.showScale();
  if (old_MMMAP_notice_left) document.getElementById('MMMAP_notice').style.left = old_MMMAP_notice_left;
  mmmap.setMapMode(old_MMMAP_mapmode);
  mmmap.maparea.style.backgroundColor = "#dbdbdb";
  mmmap.maparea.style.opacity = 1;
  mmmap.maparea.style.filter = "alpha(opacity=100)";

	mresolution = res_g2m(gmap.gmap_object.getZoom());
	if (mresolution > 16384) mresolution = 16384;
	if (mresolution < 2) mresolution = 2;

	latitude = gmap.gmap_object.getCenter().lat();
	longitude = gmap.gmap_object.getCenter().lng();

	mmmap.setCenter(latitude, longitude, mresolution);
	mmmap.showMap();

	gmap.hideMap();
  mmmap.setMouseDownHandler(null);
  mmmap.setMouseMoveHandlerNoDelay(null);
  mmmap.setMouseUpHandler(null);
  mmmap.setResolutionChangedHandler(null);
  mmmap.setMoveToHandler(null);
  mmmap.showCenterMark();

	myRepaint();
}

function myLinkToPage() {
	if (! document.getElementById("mmmap_div") ) {
		window.status="Erro: Not in map-viewing mode";
		return;
	}

	var url = "/?";
	if (currentmode == "gmap" || currentmode == "hybrid" ) {
		url =  url + "gmap=1&";

	  if (currentmode == "hybrid" ) {
		  url =  url + "hybrid=1&";
    }

		latitude = gmap_object.getCenter().lat();
		longitude = gmap_object.getCenter().lng();

		resolution = res_g2m(gmap_object.getZoom());
		if (resolution > 512) resolution = 512;
		if (resolution < 8) resolution = 8;
	}

	url = url + 'lat='+latitude+'&long='+longitude+'&res='+resolution+'&locale='+mylang;

	window.location=url;
}

function createURL() {
	if (! document.getElementById("mmmap_div") ) {
		window.status="Erro: Not in map-viewing mode";
		return;
	}

  var zoom = Math.log(resolution)/Math.log(2);

	var url = '/createlink?lat='+latitude+'&long='+longitude+'&zoom='+zoom+'&locale='+mylang;

	window.location=url;

/*
	var showtitle = prompt("Enter your location NAME: ");

	if (! showtitle || showtitle == null || showtitle == "undefined" )
		return;

	var showdetail = "";
	showdetail = prompt("Enter your location DETAIL: ");
*/

/*
	var url;
	if (showtitle) {
		url = "/?showtitle=" + encodeURIComponent(showtitle) + "&showdetail=" + encodeURIComponent(showdetail) + "&";
	} else {
		url = "/?";
	}

	if (currentmode == "gmap" || currentmode == "hybrid") {
		url =  url + "gmap=1&";

	  if (currentmode == "hybrid") {
		  url =  url + "hybrid=1&";
    }
		latitude = gmap_object.getCenter().lat();
		longitude = gmap_object.getCenter().lng();

		resolution = res_g2m(gmap_object.getZoom());
		if (resolution > 512) resolution = 512;
		if (resolution < 8) resolution = 8;
	}


	url = url + 'lat='+latitude+'&long='+longitude+'&res='+resolution+'&locale='+mylang;

	window.location=url;
*/

/*
	var extraparams = "";
	if (showtitle) {
		extraparams	 = "&title=" + encodeURIComponent(showtitle) + "&detail=" + encodeURIComponent(showdetail);
	}
	linkToPage(extraparams);
*/
}

function showhideclicked() {
	var checkbox = document.getElementById("showhide");
	if (checkbox.checked) {
		mmmap.setRes(8);
		setAllSearchResultsPOIVisible(true);
		showingmark = true;
	} else {
		hideMarks();showingmark = false;
	}
}

function showGMap() {
	if (! document.getElementById("mmmap_div") ) {
		window.location="/?gmap=1";
		return;
	}

	if (currentmode == "gmap" ) {
		return;
	}

	if ( ! gmapjsloaded ) {
		//window.location = "/?lat="+latitude+"&long="+longitude+"&res="+resolution+"&gmap=1";
		//linkToPage("&gmap=1");
		window.location="/?gmap=1";
		return;
	}

	currentmode = "gmap";
	mmmap.currentmode = "gmap";

	mmmap.hideMap();

	gmap.setCenter(latitude, longitude, resolution);
	gmap.showMap();

	myRepaint();
}


var __LONGDOMAP_isMouseDown;
var __LONGDOMAP_lastPos = {
x: -1,
   y: -1
};

var __LONGDOMAP_noUpdateSize = {
x: -1,
   y: -1
};

function mymoveto()
{
  mmmap._updateVisibles();
  gmap.setCenter(latitude, longitude, resolution);
}

function mymousedown()
{
  __LONGDOMAP_isMouseDown = true;
  __LONGDOMAP_lastPos.x = myX;
  __LONGDOMAP_lastPos.y = myY;
  __LONGDOMAP_noUpdateSize.x = 0;
  __LONGDOMAP_noUpdateSize.y = 0;
}

function mymouseup()
{
  __LONGDOMAP_isMouseDown = false;
  mmmap._updateVisibles();
  gmap.setCenter(latitude, longitude, resolution);
}

function mymousemove()
{
  if(!__LONGDOMAP_isMouseDown || currentmode != "hybrid") return;
  var panX = myX - __LONGDOMAP_lastPos.x;
  var panY = myY - __LONGDOMAP_lastPos.y;
  var apanX = Math.abs(panX);
  var apanY = Math.abs(panY);
  if(mmmap.getZoom() > 12 && __LONGDOMAP_noUpdateSize.x < 5 && __LONGDOMAP_noUpdateSize.y < 5 && apanX < 3 && apanY < 3)
  {
    gmap.gmap_object.panBy(new GSize(panX, panY));
    __LONGDOMAP_noUpdateSize.x += apanX;
    __LONGDOMAP_noUpdateSize.y += apanY;
  }
  else
  {
    mmmap._updateVisibles();
    gmap.setCenter(latitude, longitude, resolution);
    __LONGDOMAP_noUpdateSize.x = 0;
    __LONGDOMAP_noUpdateSize.y = 0;
  }

  __LONGDOMAP_lastPos.x = myX;
  __LONGDOMAP_lastPos.y = myY;
}

function mymousewheel() {
  gmap.setCenter(latitude, longitude, resolution);
}


var old_MMMAP_notice_left;
var old_MMMAP_mapmode = (window.mylang && mylang == "en" ? "icons-en" : "icons");

function showHMap() {
  if (! document.getElementById("mmmap_div") ) {
    window.location="/hybrid";
    return;
  }

  if (currentmode == "hybrid" ) {
    return;
  }

  if ( ! gmapjsloaded ) {
    //linkToPage("&gmap=1&hybrid=1");
    window.location="/hybrid";
    return;
  }

  old_MMMAP_mapmode =  mmmap.getMapMode();
  old_MMMAP_notice_left = document.getElementById('MMMAP_notice').style.left;
  if (document.getElementById('MMMAP_notice')) {
    document.getElementById('MMMAP_notice').style.left = "80px";
  }

  currentmode = "hybrid";
  mmmap.currentmode = "hybrid";
  if (window.mylang && mylang == "en") {
    mmmap.setMapMode("iconstransp-en");
  } else {
    mmmap.setMapMode("iconstransp");
  }

  mmmap.hideScale();
  
  mmmap.setMouseDownHandler(mymousedown);
  mmmap.setMouseMoveHandlerNoDelay(mymousemove);
  mmmap.setMouseUpHandler(mymouseup);
  mmmap.setResolutionChangedHandler(mymousewheel);
  mmmap.setMoveToHandler(mymoveto);
  mmmap.showCenterMark();

  gmap.div.style.opacity = 0.999;

  mmmap.maparea.style.backgroundColor = "";
  mmmap.maparea.style.opacity = 0.82;
  mmmap.maparea.style.filter = "alpha(opacity=82)";

  gmap.gmap_object.setMapType(G_SATELLITE_MAP);
  gmap.gmap_div.childNodes[3].style.visibility = "hidden";
  gmap.gmap_div.childNodes[4].style.visibility = "hidden";
  gmap.gmap_div.childNodes[5].style.visibility = "hidden";

  mmmap.setCenter(latitude, longitude, resolution);
  mmmap.showMap();

  gmap.setCenter(latitude, longitude, resolution);
  gmap.showMap();
  document.getElementById("center_mark_gmap").style.visibility = "hidden";

  myRepaint();
}


function extraRightClickItems() {

  var zoom = Math.log(resolution)/Math.log(2);

  var txt  = "";
  if (window.mylang && mylang == "en") {
    txt = '<span id="add_location_text" style="cursor:pointer;text-decoration: underline;font-size: 9pt; font-family: loma,tahoma;" onmousedown="if (mmmap.getZoom() < 14) { alert(\'Please zoom to at least level 14 first before adding a location\');return;}; window.location=\'/addlocation?lat=' + mmmap.mouseCursorLat() + '&long=' + mmmap.mouseCursorLong() + '\'" title="Add a new location">Add a new location here</span>';
    txt += '<hr/>';
    txt += '<span id="print_map2" style="font-family:loma,tahoma; font-size: 9pt;cursor:pointer;text-decoration: underline" onmousedown="window.location = \'print/?lat=' + latitude + '&long=' + longitude + '&zoom='+ zoom + '&locale=' + mylang + '&mode=a4lan\';">Print Map (A4 landscape)</span>';
    txt += '<br/><span id="print_map1" style="font-family:loma,tahoma; font-size: 9pt;cursor:pointer;text-decoration: underline" onmousedown="window.location = \'print/?lat=' + latitude + '&long=' + longitude + '&zoom='+ zoom + '&locale=' + mylang + '\';">Print Map (Booklet)</span>';
  } else {

    txt = '<span id="add_location_text" style="cursor:pointer;text-decoration: underline;font-size: 9pt; font-family: loma,tahoma;" onmousedown="if (mmmap.getZoom() < 14) { alert(\'โปรดซูมเข้าไปจนถึงระดับ 14 ก่อน เพื่อให้แน่ใจว่าสถานที่ที่จะป้อน ไม่ได้มีคนอื่นป้อนไปก่อนหน้านี้แล้ว\');return;}; window.location=\'/addlocation?lat=' + mmmap.mouseCursorLat() + '&long=' + mmmap.mouseCursorLong() + '\'" title="ป้อนสถานที่ใหม่">ป้อนสถานที่ใหม่ตรงตำแหน่งนี้</span>';
    txt += '<hr/>';
    txt += '<span id="print_map2" style="font-family:loma,tahoma; font-size: 9pt;cursor:pointer;text-decoration: underline" onmousedown="window.location = \'print/?lat=' + latitude + '&long=' + longitude + '&zoom='+ zoom + '&locale=' + mylang + '&mode=a4lan\';">พิมพ์แผนที่ (แบบแผ่น A4)</span>';
    txt += '<br/><span id="print_map1" style="font-family:loma,tahoma; font-size: 9pt;cursor:pointer;text-decoration: underline" onmousedown="window.location = \'print/?lat=' + latitude + '&long=' + longitude + '&zoom='+ zoom + '&locale=' + mylang + '\';">พิมพ์แผนที่ (แบบพับได้)</span>';
  }


  return txt;
}