/[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 19:34:06	124
+++ trunk/libxmltv/Core/DataSourceBindable.cs	2013/03/13 15:16:59	131
@@ -3,12 +3,28 @@
 using System.Linq;
 using System.Text;
 using libxmltv.Interfaces;
+using System.Collections;
 
 namespace libxmltv.Core
 {
-    public class ChannelList : List<IXMLTVChannel>, IDataSourceBindable
+    public class ChannelList : List<IXMLTVChannel>, IDataSourceBindable//, IDataConverter<IChannelDefintionList>
     {
-        private class ChannelDefintion
+        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()
             {
@@ -17,6 +33,8 @@
             }
             public string ChannelId { get; internal set; }
             public string ChannelName { get; internal set; }
+
+            
         }
         //static private List<string> known_columns;
         //static ChannelList()
@@ -27,12 +45,25 @@
         //}
         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();
-            List<ChannelDefintion> list = new List<ChannelDefintion>();
+            ChannelDefintionList list = new ChannelDefintionList();
             
             foreach (var t in this)
             {
@@ -45,14 +76,63 @@
                 }
                 catch (Exception ex) { throw ex; }
             }
-            list = list.OrderBy(s => s.ChannelName).ToList();
+            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>
     {
-        private class ProgramDefintion
+        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 "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 "channelname": ordered = descending ? ordered.ThenByDescending(s => s.ChannelName) : ordered.ThenBy(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)
+            {
+            }
+            #endregion
+        }
+        private class ProgramDefintion : IProgramDefinition
         {
             public ProgramDefintion()
             {
@@ -70,14 +150,29 @@
             public DateTime Stop { get; internal set; }
             public string Title { get; internal set; }
             public string SubTitle { get; internal set; }
-            public string Description { get; internal set; }    
+            public string Description { get; internal set; }
+
+          
         }
         public ProgramList() { }
-
-        public object CreateBindableDataSource()
+        //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();
-            List<ProgramDefintion> list = new List<ProgramDefintion>();
+            ProgramDefinitionList list = new ProgramDefinitionList();
 
             foreach (var t in this)
             {
@@ -114,7 +209,7 @@
                 catch (Exception ex) { throw ex; }
             }
 
-            list = list.OrderBy(s => s.Start).ToList();
+            list = new ProgramDefinitionList(list.OrderBy(s => s.Start).ToList());
 
             bindable = list;
             return bindable;
@@ -124,12 +219,22 @@
     {
 
         public ExtraList() { }
-
-        public object CreateBindableDataSource()
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="type"></param>
+        /// <returns></returns>
+        public object CreateBindableDataSource(out Type type)
         {
+            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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