moved menu and party mode files to the new lib

VocaluxeLib/Menu/CHelper.cs

@@ -0,0 +1,348 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Globalization;
+using System.IO;
+using System.Text;
+using System.Xml;
+using System.Xml.XPath;
+
+namespace Vocaluxe.Menu
+{
+    public class CHelper
+    {
+        /// <summary>
+        /// Concat strings into one string with ", " as separator.
+        /// </summary>
+        public static string ListStrings(string[] str)
+        {
+            string _Result = string.Empty;
+
+            for (int i = 0; i < str.Length; i++)
+            {
+                _Result += str[i];
+                if (i < str.Length - 1)
+                    _Result += ", ";
+            }
+
+            return _Result;
+        }
+
+        public static int TryReadInt(StreamReader sr)
+        {
+            char chr = '0';
+            string value = String.Empty;
+
+            try
+            {
+                chr = (char)sr.Peek();
+                while ((chr.CompareTo(' ') != 0) && ((int)chr != 19) && ((int)chr != 16) && ((int)chr != 13))
+                {
+                    chr = (char)sr.Read();
+                    value += chr.ToString();
+                    chr = (char)sr.Peek();
+                }
+            }
+            catch (Exception)
+            {
+                return 0;
+            }
+            int result = 0;
+            int.TryParse(value, out result);
+            return result;
+        }
+
+        public static void SetRect(RectangleF Bounds, ref RectangleF Rect, float RectAspect, EAspect Aspect)
+        {
+            float rW = Bounds.Right - Bounds.Left;
+            float rH = Bounds.Bottom - Bounds.Top;
+            float rA = rW / rH;
+
+            float ScaledWidth = rW;
+            float ScaledHeight = rH;
+
+            switch (Aspect)
+            {
+                case EAspect.Crop:
+                    if (rA >= RectAspect)
+                    {
+                        ScaledWidth = rW;
+                        ScaledHeight = rH * rA / RectAspect;
+                    }
+                    else
+                    {
+                        ScaledHeight = rH;
+                        ScaledWidth = rW * RectAspect / rA;
+                    }
+                    break;
+                case EAspect.LetterBox:
+                    if (RectAspect >= 1)
+                    {
+                        ScaledWidth = rW;
+                        ScaledHeight = rH * rA / RectAspect;
+                    }
+                    else
+                    {
+                        ScaledHeight = rH;
+                        ScaledWidth = rW * RectAspect / rA;
+                    }
+                    break;
+                default:
+                    ScaledWidth = rW;
+                    ScaledHeight = rH;
+                    break;
+            }
+
+            float Left = (rW - ScaledWidth) / 2 + Bounds.Left;
+            float Rigth = Left + ScaledWidth;
+
+            float Upper = (rH - ScaledHeight) / 2 + Bounds.Top;
+            float Lower = Upper + ScaledHeight;
+
+            Rect = new RectangleF(Left, Upper, Rigth - Left, Lower - Upper);
+        }
+
+        public static bool TryGetEnumValueFromXML<T>(string Cast, XPathNavigator Navigator, ref T value)
+            where T : struct
+        {
+            string val = String.Empty;
+            if (GetValueFromXML(Cast, Navigator, ref val, Enum.GetName(typeof(T), value)))
+            {
+                TryParse<T>(val, out value, true);
+                return true;
+            }
+            return false;
+        }
+
+        public static bool TryGetIntValueFromXML(string Cast, XPathNavigator Navigator, ref int value)
+        {
+            string val = String.Empty;
+            if (GetValueFromXML(Cast, Navigator, ref val, value.ToString()))
+            {
+                int res = 0;
+                if (int.TryParse(val, out res))
+                {
+                    value = res;
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        public static bool TryGetFloatValueFromXML(string Cast, XPathNavigator Navigator, ref float value)
+        {
+            string val = String.Empty;
+            if (GetValueFromXML(Cast, Navigator, ref val, value.ToString()))
+            {
+                float res = 0;
+                if (TryParse(val, out res))
+                {
+                    value = res;
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        public static bool GetValueFromXML(string Cast, XPathNavigator Navigator, ref string Value, string DefaultValue)
+        {
+            XPathNodeIterator iterator;
+            int results = 0;
+            string val = string.Empty;
+
+            try
+            {
+                Navigator.MoveToFirstChild();
+                iterator = Navigator.Select(Cast);
+
+                while (iterator.MoveNext())
+                {
+                    val = iterator.Current.Value;
+                    results++;
+                }
+            }
+            catch (Exception)
+            {
+                results = 0;
+            }
+
+            if ((results == 0) || (results > 1))
+            {
+                Value = DefaultValue;
+                return false;
+            }
+            else
+            {
+                Value = val;
+                return true;
+            }
+
+        }
+
+        public static List<string> GetValuesFromXML(string Cast, XPathNavigator Navigator)
+        {
+            List<string> values = new List<string>();
+
+            try
+            {
+                Navigator.MoveToRoot();
+                Navigator.MoveToFirstChild();
+                Navigator.MoveToFirstChild();
+
+                while (Navigator.Name != Cast)
+                    Navigator.MoveToNext();
+
+                Navigator.MoveToFirstChild();
+
+                values.Add(Navigator.LocalName);
+                while (Navigator.MoveToNext())
+                    values.Add(Navigator.LocalName);
+
+            }
+            catch (Exception)
+            {
+
+            }
+
+            return values;
+        }
+
+        public static bool ItemExistsInXML(string Cast, XPathNavigator Navigator)
+        {
+            XPathNodeIterator iterator;
+            int results = 0;
+
+            try
+            {
+                Navigator.MoveToFirstChild();
+                iterator = Navigator.Select(Cast);
+
+                while (iterator.MoveNext())
+                    results++;
+            }
+            catch (Exception)
+            {
+                results = 0;
+            }
+
+            if (results == 0)
+                return false;
+
+            return true;
+        }
+
+        public List<string> ListFiles(string path, string cast)
+        {
+            return ListFiles(path, cast, false, false);
+        }
+
+        public List<string> ListFiles(string path, string cast, bool recursive)
+        {
+            return ListFiles(path, cast, recursive, false);
+        }
+
+        public List<string> ListFiles(string path, string cast, bool recursive, bool fullpath)
+        {
+            List<string> files = new List<string>();
+            DirectoryInfo dir = new DirectoryInfo(path);
+
+            try
+            {
+
+                foreach (FileInfo file in dir.GetFiles(cast))
+                {
+                    if (!fullpath)
+                        files.Add(file.Name);
+                    else
+                        //files.Add(Path.Combine(file.DirectoryName, file.Name));
+                        files.Add(file.FullName);
+                }
+
+                if (recursive)
+                {
+                    foreach (DirectoryInfo di in dir.GetDirectories())
+                    {
+                        files.AddRange(ListFiles(di.FullName, cast, recursive, fullpath));
+                    }
+                }
+            }
+            catch (Exception)
+            {
+
+            }
+
+            return files;
+        }
+
+        public static bool TryParse<T>(string value, out T result)
+            where T : struct
+        {
+            return TryParse<T>(value, out result, false);
+        }
+
+        public static bool TryParse<T>(string value, out T result, bool ignoreCase)
+           where T : struct
+        {
+            result = default(T);
+            try
+            {
+                result = (T)Enum.Parse(typeof(T), value, ignoreCase);
+                return true;
+            }
+            catch { }
+
+            return false;
+        }
+
+        public static bool TryParse(string value, out float result)
+        {
+            value = value.Replace(',', '.');
+            return float.TryParse(value, NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingSign, NumberFormatInfo.InvariantInfo, out result);
+        }
+
+        public static bool IsInBounds(SRectF bounds, MouseEvent MouseEvent)
+        {
+            return IsInBounds(bounds, MouseEvent.X, MouseEvent.Y);
+        }
+
+        public static bool IsInBounds(SRectF bounds, int x, int y)
+        {
+            return ((bounds.X <= x) && (bounds.X + bounds.W >= x) && (bounds.Y <= y) && (bounds.Y + bounds.H >= y));
+        }
+    }
+
+    static class CEncoding
+    {
+        public static Encoding GetEncoding(string EncodingName)
+        {
+            switch (EncodingName)
+            {
+                case "AUTO":
+                    return Encoding.Default;
+                case "CP1250":
+                    return Encoding.GetEncoding(1250);
+                case "CP1252":
+                    return Encoding.GetEncoding(1252);
+                case "LOCALE":
+                    return Encoding.Default;
+                case "UTF8":
+                    return Encoding.UTF8;
+                default:
+                    return Encoding.UTF8;
+            }
+        }
+
+        public static string GetEncodingName(Encoding Enc)
+        {
+            string Result = "UTF8";
+
+            if (Enc.CodePage == 1250)
+                Result = "CP1250";
+
+            if (Enc.CodePage == 1252)
+                Result = "CP1252";
+
+            return Result;
+        }
+    }
+}