WASP3D List Files

WASP3D List Files.cs

/*
VARIABLES TO CREATE
WInteger
   imgIndex : 0
   imgTotal : 0
WString
   imgPath : ""
   selectedFile : ""
WBoolean
   isComplete : false
   isLoop: false
*/


// using System.IO; // add this to namespaces
// using System.Text.RegularExpressions; // this too
public string[] imageFiles;
public int imgIndex;
public void setupItems(){
	imgIndex = -1;
	this.WBoolean.isComplete = false;
	string selectedPath =  Path.GetDirectoryName(this.WString.selectedFile.ToString());

	String searchFolder = @"" + selectedPath;
	var filters = new String[] { "jpg", "jpeg", "png", "bmp" };
	imageFiles = GetFilesFrom(searchFolder, filters, false);

	this.WInteger.imgTotal = imageFiles.Length;
	this.WString.imgPath = imageFiles[imgIndex].ToString();
}

public void nextItem (){
	if(imgIndex < imageFiles.Length - 1) {
		this.WBoolean.isComplete = false;
		imgIndex += 1;
	} else {
		imgIndex = 0;
		this.WBoolean.isComplete = true;
	}
	this.WString.imgPath = imageFiles[imgIndex].ToString();
	this.WInteger.imgIndex = imgIndex;
}


 public static String[] GetFilesFrom(String searchFolder, String[] filters, bool isRecursive)
 {
    List<String> filesFound = new List<String>();
    var searchOption = isRecursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
    foreach (var filter in filters)
    {
       filesFound.AddRange(Directory.GetFiles(searchFolder, String.Format("*.{0}", filter), searchOption));
    }
    String[] filesFoundArray = filesFound.ToArray();
    NumericalSort(filesFoundArray);
    return filesFoundArray;
 }

public static void NumericalSort(string[] ar)
{
    Regex rgx = new Regex("([^0-9]*)([0-9]+)");
    Array.Sort(ar, (a, b) =>
    {
	var ma = rgx.Matches(a);
	var mb = rgx.Matches(b);
	for (int i = 0; i < ma.Count; ++i)
	{
	    int ret = ma[i].Groups[1].Value.CompareTo(mb[i].Groups[1].Value);
	    if (ret != 0)
		return ret;

	    ret = int.Parse(ma[i].Groups[2].Value) - int.Parse(mb[i].Groups[2].Value);
	    if (ret != 0)
		return ret;
	}

	return 0;
    });
}