/[xmltv_parser]/trunk/libxmltv/Core/DataSourceBindable.cs
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Diff of /trunk/libxmltv/Core/DataSourceBindable.cs

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--- trunk/libxmltv/Core/DataSourceBindable.cs	2013/03/10 18:19:12	120
+++ trunk/libxmltv/Core/DataSourceBindable.cs	2013/03/14 13:08:20	141
@@ -3,37 +3,309 @@
 using System.Linq;
 using System.Text;
 using libxmltv.Interfaces;
+using System.Collections;
+using Enterprise.Logging;
 
 namespace libxmltv.Core
 {
-    public class ChannelList : List<IXMLTVChannel>, IDataSourceBindable
+    public class ChannelList : List<IXMLTVChannel>, IDataSourceBindable//, IDataConverter<IChannelDefintionList>
     {
+        private class ChannelDefintionList : List<IChannelDefintion>, IDataSourceSortable, IDataSourceFilterable, IChannelDefintionList   
+        {
+            public ChannelDefintionList() { }
+            public ChannelDefintionList(List<IChannelDefintion> collection) { collection.ForEach(s => this.Add(s)); }
+            #region IDataSourceSortable members
+            public void Sort(ref object source, bool descending, params string[] args)
+            {
+            }
+            #endregion
+            #region IDataSourceFilterable members
+            public void Filter(ref object source, params string[] args)
+            {
+            }
+            #endregion
+        }
+        private class ChannelDefintion : IChannelDefintion
+        {
+            public ChannelDefintion()
+            {
+                ChannelId = string.Empty;
+                ChannelName = string.Empty;
+            }
+            public string ChannelId { get; internal set; }
+            public string ChannelName { get; internal set; }
+
+            public override string ToString()
+            {
+                StringBuilder builder = new StringBuilder();
+                Type t = typeof(ChannelDefintion);
+                var props = t.GetProperties();
+                foreach (var prop in props)
+                {
+                    string name = prop.Name;
+                    object value = prop.GetValue(this, null);
+                    builder.AppendFormat("\t{0}: '{1}'", name, value == null ? "null" : value.ToString());
+                }
+                return builder.ToString();
+            }
+            
+        }
+        //static private List<string> known_columns;
+        //static ChannelList()
+        //{
+        //    known_columns = new List<string>();
+        //    known_columns.Add("Id");
+        //    known_columns.Add("Name");
+        //}
         public ChannelList() { }
 
-        public object CreateBindableDataSource()
+        //public object ConvertObjectData(object source) { return this.ConvertData(source); }
+        //public IChannelDefintionList ConvertData(object source)
+        //{
+        //    //object t = source;
+        //    if (source.GetType() != typeof(ChannelDefintionList)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", source.GetType().Name, typeof(ChannelDefintionList).Name)); }
+        //    //if (type != typeof(IChannelDefintionList)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", type.Name, typeof(IChannelDefintionList).Name)); }
+        //    IChannelDefintionList t = (source as IChannelDefintionList);
+        //    return t;
+        //}
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        public object CreateBindableDataSource(out Type type)
         {
+            type = typeof(IChannelDefintionList);
             object bindable = new object();
+            ChannelDefintionList list = new ChannelDefintionList();
+            
+            foreach (var t in this)
+            {
+                try
+                {
+                    ChannelDefintion definition = new ChannelDefintion();
+                    definition.ChannelId = t.Id;
+                    definition.ChannelName = t.MetaData[XMLTVConstants.Channels.ChannelDisplayName].FirstOrDefault().Value.ToString();
+                    xmltv_logger.Verbose.Debug.WriteLine(definition.ToString());
+                    list.Add(definition);
+                }
+                catch (Exception ex) { throw ex; }
+            }
+            list = new ChannelDefintionList(list.OrderBy(s => s.ChannelName).ToList());
+            bindable = list;
             return bindable;
         }
+      
     }
-    public class ProgramList : List<IXMLTVProgram>, IDataSourceBindable
+    public class ProgramList : List<IXMLTVProgram>, IDataSourceBindable//, IDataConverter<IProgramDefinitionList>
     {
-        public ProgramList() { }
+        private class ProgramDefinitionList : List<IProgramDefinition>, IDataSourceSortable, IDataSourceFilterable, IProgramDefinitionList  
+        {
+            public ProgramDefinitionList() { }
+            public ProgramDefinitionList(List<IProgramDefinition> collection) { collection.ForEach(s => this.Add(s)); }
+            #region IDataSourceSortable members
+            public void Sort(ref object source, bool descending, params string[] args)
+            {
+                IProgramDefinitionList list = null;
+                IOrderedEnumerable<IProgramDefinition> ordered = null;
+                try
+                {
+                    list = (ProgramDefinitionList)source;
+                    var col = args.First().ToString().ToLower();
+                    switch (col)
+                    {
+                        case "channelnumber": ordered = descending ? list.OrderByDescending(s => s.ChannelNumber) : list.OrderBy(s => s.ChannelNumber); break;
+                        case "channelname": ordered = descending ? list.OrderByDescending(s => s.ChannelName) : list.OrderBy(s => s.ChannelName); break;
+                        case "start": ordered = descending ? list.OrderByDescending(s => s.Start) : list.OrderBy(s => s.Start); break;
+                        case "stop": ordered = descending ? list.OrderByDescending(s => s.Stop) : list.OrderBy(s => s.Stop); break;
+                        case "description": ordered = descending ? list.OrderByDescending(s => s.Description) : list.OrderBy(s => s.Description); break;
+                        case "title": ordered = descending ? list.OrderByDescending(s => s.Title) : list.OrderBy(s => s.Title); break;
+                        case "subtitle": ordered = descending ? list.OrderByDescending(s => s.SubTitle) : list.OrderBy(s => s.SubTitle); break;
+                    }
+                    //bool first = true;
+                    foreach (var arg in args.Skip(1))
+                    {
+                        col = arg.ToLower();
+                        switch (col)
+                        {
+                            case "channelnumber": ordered = descending ? ordered.ThenByDescending(s => s.ChannelNumber) : ordered.ThenBy(s => s.ChannelNumber); break;
+                            case "channelname": ordered = descending ? list.OrderByDescending(s => s.ChannelName) : list.OrderBy(s => s.ChannelName); break;
+                            case "start": ordered = descending ? ordered.ThenByDescending(s => s.Start) : ordered.ThenBy(s => s.Start); break;
+                            case "stop": ordered = descending ? ordered.ThenByDescending(s => s.Stop) : ordered.ThenBy(s => s.Stop); break;
+                            case "description": ordered = descending ? ordered.ThenByDescending(s => s.Description) : ordered.ThenBy(s => s.Description); break;
+                            case "title": ordered = descending ? ordered.ThenByDescending(s => s.Title) : ordered.ThenBy(s => s.Title); break;
+                            case "subtitle": ordered = descending ? ordered.ThenByDescending(s => s.SubTitle) : ordered.ThenBy(s => s.SubTitle); break;
+                        }
+                    }
+                    list = new ProgramDefinitionList(ordered.ToList());
+                }
+                catch (Exception ex) { throw ex; }
+                if (list != null) { source = list; }
+            }
+            #endregion
+            #region IDataSourceFilterable members
+            public void Filter(ref object source, params string[] args)
+            {
+                IProgramDefinitionList list = null;
+                List<IProgramDefinition> ordered = null;
+                try
+                {
+                    list = (ProgramDefinitionList)source;
+                    //var col = args.First().ToString().ToLower();
+                    //var data = args.().ToString().ToLower();
+
+                    if (args.Count() != 2) { throw new ArgumentOutOfRangeException("args", "Excpected 2 aguments: columnname and filtertext"); }
+
+                    string columnname = args[0].ToLower();
+                    string filtertext = args[1].ToLower();
+
+                    switch (columnname)
+                    {
+                        case "channelnumber": ordered = list.ToList().FindAll(s => s.ChannelNumber == Convert.ToInt32(filtertext)); break;
+                        case "channelname": ordered = list.ToList().FindAll(s => s.ChannelName.ToLower().Contains(filtertext)); break;
+                        case "start":
+                        case "stop":
+                            throw new ArgumentException("columnname", string.Format("Filtering for column: '{0}' has not been implemented", columnname));
+                        case "description": ordered = list.ToList().FindAll(s => s.Description.ToLower().Contains(filtertext)); break;
+                        case "title": ordered = list.ToList().FindAll(s => s.Title.ToLower().Contains(filtertext)); break;
+                        case "subtitle": ordered = list.ToList().FindAll(s => s.SubTitle.ToLower().Contains(filtertext)); break;
+                    }                   
+                    list = new ProgramDefinitionList(ordered.ToList());
+                    if (list.Count == 0)
+                    {
+                        list = (ProgramDefinitionList)source;
+                        gLog.Warn.WriteLine("Filering by: column='{0}' with filer='{1}' returned no data",columnname, filtertext);
+                    }
+                }
+                catch (Exception ex) { throw ex; }
+                if (list != null) { source = list; }
+            }
+            #endregion
+        }
+        private class ProgramDefintion : IProgramDefinition
+        {
+            public ProgramDefintion()
+            {
+                //ChannelId = string.Empty;
+                ChannelNumber = 0;
+                ChannelName = string.Empty;
+                Start = new DateTime().ToDateTimeString();
+                Stop = new DateTime().ToDateTimeString();
+                Description = string.Empty;
+                Title = string.Empty;
+                SubTitle = string.Empty;
+            }
+            //public string ChannelId { get; internal set; }
+            public int ChannelNumber { get; internal set; }
+            public string ChannelName { get; internal set; }
+            public string Start { get; internal set; }
+            public string Stop { get; internal set; }
+            public string Title { get; internal set; }
+            public string SubTitle { get; internal set; }
+            public string Description { get; internal set; }
 
-        public object CreateBindableDataSource()
+            public override string ToString()
+            {
+                StringBuilder builder = new StringBuilder();
+                Type t = typeof(ProgramDefintion);
+                var props = t.GetProperties();
+                foreach (var prop in props)
+                {
+                    string name = prop.Name;
+                    object value = prop.GetValue(this, null);
+                    builder.AppendFormat("\t{0}: '{1}'", name, value == null ? "null" : value.ToString());
+                }
+                return builder.ToString();
+            }
+          
+        }
+        public ProgramList() { }
+        //public object ConvertObjectData(object source) { return this.ConvertData(source); }
+        //public IProgramDefinitionList ConvertData(object source)
+        //{
+        //    if (source.GetType() != typeof(ProgramDefinitionList)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", source.GetType().Name, typeof(ProgramDefinitionList).Name)); }
+        //    //if (type != typeof(IProgramDefinitionList)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", type.Name, typeof(IProgramDefinitionList).Name)); }
+        //    IProgramDefinitionList t = (source as IProgramDefinitionList);
+        //    return t;
+        //}
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        public object CreateBindableDataSource(out Type type)
         {
+            type = typeof(IProgramDefinitionList);
             object bindable = new object();
+            ProgramDefinitionList list = new ProgramDefinitionList();
+
+            foreach (var t in this)
+            {
+                try
+                {
+                    ProgramDefintion definition = new ProgramDefintion();
+                    string ChannelId = t.MetaData[XMLTVConstants.Programs.ProgramChannelId].ToString();
+                    //definition.ChannelId = ChannelId;
+
+                    var channels = XMLTV.GetChannels();
+                    if (channels != null)
+                    {
+                        var channel = channels.Find(p => p.Id == ChannelId);
+                        if (channel != null)
+                        {
+                            var channelname = channel.MetaData[XMLTVConstants.Channels.ChannelDisplayName].FirstOrDefault().Value.ToString();
+                            var split = channelname.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
+                            definition.ChannelNumber = Convert.ToInt32(split.First());
+                            definition.ChannelName = string.IsNullOrEmpty(split.Last()) ? string.Empty : split.Last().ToString();
+
+                        }
+                        else
+                        {
+                            definition.ChannelNumber = 0;
+                        }
+                    }
+                    else
+                    {
+                        definition.ChannelNumber = 0;
+                    }
+                    definition.Start = ((DateTime)t.MetaData[XMLTVConstants.Programs.ProgramStart]).ToDateTimeString();
+                    definition.Stop = ((DateTime)t.MetaData[XMLTVConstants.Programs.ProgramStop]).ToDateTimeString();
+                    definition.Description = t.MetaData[XMLTVConstants.Programs.ProgramDescription].ToString();
+                    definition.Title = t.MetaData[XMLTVConstants.Programs.ProgramTitle].ToString();
+                    definition.SubTitle = t.MetaData[XMLTVConstants.Programs.ProgramSubTitle].ToString();
+
+                    xmltv_logger.Verbose.Debug.WriteLine(definition.ToString());
+                    list.Add(definition);
+                }
+                catch (Exception ex) { throw ex; }
+            }
+
+            list = new ProgramDefinitionList(list.OrderBy(s => s.Start).ToList());
+
+            bindable = list;
             return bindable;
         }
     }
     public class ExtraList : List<IExtraMetaData>, IDataSourceBindable
     {
-        public ExtraList() { }
 
-        public object CreateBindableDataSource()
+        public ExtraList() { }
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        public object CreateBindableDataSource(out Type type)
         {
-            object bindable = new object();
-            return bindable;
+            type = typeof(object);
+            throw new NotImplementedException("Conversion of Extra MetaData to a bindable datasource has not been implemented.");
+            //object bindable = new object();
+            //return bindable;
         }
+        //public object ConvertObjectData(object source) { return source; }
+        //public object Convert(object source)
+        //{
+        //    throw new NotImplementedException("Conversion of Extra MetaData to a bindable datasource has not been implemented.");
+        //}
     }
 }

 

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