gistfile1.m

// Javascript Region Skimmer

//Patch their lame code
RS.maxPoolSize = 90000;

var dataSet = {
	"Countries":{
		
	}
};

var countryCounter = 1;

function skimCountry(){
	
	var countryList = document.getElementById('SelectCountry');	
	var currentCountry = [countryList.options[countryCounter].value];
	
	if(countryCounter > countryList.options.length-1){
		return;
	}
	
	if (currentCountry != ".." && currentCountry){
	
		dataSet['Countries'][currentCountry] = {
			"Code":"",
			"Polygon":"",//TODO:generate Polygon from regions
			"Regions":{}
			
		}
		
		countryList.value = currentCountry;
		countryList.onchange();
		
	}
	
	countryCounter ++;
	
}

var regionCounter = 1;

function skimRegion(){
	
	var countryList = document.getElementById('SelectCountry');	
	var currentCountry = countryList.value;
	var regionList = document.getElementById('SelectRegion');
			
	if(regionCounter > regionList.options.length-1){
		regionCounter = 1;
		skimCountry();//go to next country
		
	}
	var currentRegion = regionList.options[regionCounter];
		
	if (currentRegion.value != ".."  && currentRegion){
		
		regionList.value = currentRegion.value;
		regionList.onchange();
		
		
	}
		
	regionCounter ++;
	
}


UpdateRegion = function(result){
            var SelectRegion = document.getElementById("SelectRegion");
            SelectRegion.options.length = 1;
            var regionArray = new Array();
            regionArray = result.split("|");
            var y=document.createElement("option");
            y.text='default';
            var i = 0;                
            for(i=0;i<regionArray.length;i++){
                y = document.createElement("option");
                y.text = regionArray[i];
                if (window.attachEvent) { // IE
                    document.getElementById("SelectRegion").add(y);
                }else{ // firefox
                    document.getElementById("SelectRegion").add(y,null);
                }                                
            }   
   
		skimRegion();	
	
        }


function parsePolygon(dataString){
	
	if(!dataString) return "NULL";

	var polygonDataPairs = dataString.split('|');
		
	var polygonData = [];
	
	for(var i in polygonDataPairs){
		
		var pairData = polygonDataPairs[i].split(',');
		
		polygonData[i] = {
			"lat":parseFloat(pairData[0]),
			"lon":parseFloat(pairData[1])
		};
				
	}
	
	return polygonData;
	
}


UpdateMap = function(result){
		
	var countryList = document.getElementById('SelectCountry');	
	var currentCountry = countryList.value;
	var regionList = document.getElementById('SelectRegion');
	var currentRegion = regionList.value; 
	
	var dataArray = result.split("+");
	var polygonCenterLat = dataArray[0];
	var polygonCenterLon = dataArray[1];
	var polygonDataString = dataArray[2];
	
	dataSet['Countries'][currentCountry]['Regions'][currentRegion] = {
				"Code":"",
				"Polygon":parsePolygon(polygonDataString)
	}	

	skimRegion()
	
}