libxmltv/Core/DataSourceBindable.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using libxmltv.Interfaces;
using System.Collections;
using Enterprise.Logging;

namespace libxmltv.Core
{
    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; }

            
        }
        //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 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();                    
                    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//, IDataConverter<IProgramDefinitionList>
    {
        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)
            {
                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 "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;
                ChannelName = string.Empty;
                Start = new DateTime();
                Stop = new DateTime();
                Description = string.Empty;
                Title = string.Empty;
                SubTitle = string.Empty;
            }
            //public string ChannelId { get; internal set; }
            public string ChannelName { get; internal set; }
            public DateTime Start { get; internal set; }
            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 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)
                        {
                            definition.ChannelName = channel.MetaData[XMLTVConstants.Channels.ChannelDisplayName].FirstOrDefault().Value.ToString();
                        }
                        else
                        {
                            definition.ChannelName = string.Empty;
                        }
                    }
                    else
                    {
                        definition.ChannelName = string.Empty;
                    }
                    definition.Start = (DateTime)t.MetaData[XMLTVConstants.Programs.ProgramStart];
                    definition.Stop = (DateTime)t.MetaData[XMLTVConstants.Programs.ProgramStop];
                    definition.Description = t.MetaData[XMLTVConstants.Programs.ProgramDescription].ToString();
                    definition.Title = t.MetaData[XMLTVConstants.Programs.ProgramTitle].ToString();
                    definition.SubTitle = t.MetaData[XMLTVConstants.Programs.ProgramSubTitle].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() { }
        /// <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.");
        //}
    }
}
1	using System;
2	using System.Collections.Generic;
3	using System.Linq;
4	using System.Text;
5	using libxmltv.Interfaces;
6	using System.Collections;
7	using Enterprise.Logging;
8
9	namespace libxmltv.Core
10	{
11	public class ChannelList : List<IXMLTVChannel>, IDataSourceBindable//, IDataConverter<IChannelDefintionList>
12	{
13	private class ChannelDefintionList : List<IChannelDefintion>, IDataSourceSortable, IDataSourceFilterable, IChannelDefintionList
14	{
15	public ChannelDefintionList() { }
16	public ChannelDefintionList(List<IChannelDefintion> collection) { collection.ForEach(s => this.Add(s)); }
17	#region IDataSourceSortable members
18	public void Sort(ref object source, bool descending, params string[] args)
19	{
20	}
21	#endregion
22	#region IDataSourceFilterable members
23	public void Filter(ref object source, params string[] args)
24	{
25	}
26	#endregion
27	}
28	private class ChannelDefintion : IChannelDefintion
29	{
30	public ChannelDefintion()
31	{
32	ChannelId = string.Empty;
33	ChannelName = string.Empty;
34	}
35	public string ChannelId { get; internal set; }
36	public string ChannelName { get; internal set; }
37
38
39	}
40	//static private List<string> known_columns;
41	//static ChannelList()
42	//{
43	// known_columns = new List<string>();
44	// known_columns.Add("Id");
45	// known_columns.Add("Name");
46	//}
47	public ChannelList() { }
48
49	//public object ConvertObjectData(object source) { return this.ConvertData(source); }
50	//public IChannelDefintionList ConvertData(object source)
51	//{
52	// //object t = source;
53	// if (source.GetType() != typeof(ChannelDefintionList)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", source.GetType().Name, typeof(ChannelDefintionList).Name)); }
54	// //if (type != typeof(IChannelDefintionList)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", type.Name, typeof(IChannelDefintionList).Name)); }
55	// IChannelDefintionList t = (source as IChannelDefintionList);
56	// return t;
57	//}
58	/// <summary>
59	///
60	/// </summary>
61	/// <param name="type"></param>
62	/// <returns></returns>
63	public object CreateBindableDataSource(out Type type)
64	{
65	type = typeof(IChannelDefintionList);
66	object bindable = new object();
67	ChannelDefintionList list = new ChannelDefintionList();
68
69	foreach (var t in this)
70	{
71	try
72	{
73	ChannelDefintion definition = new ChannelDefintion();
74	definition.ChannelId = t.Id;
75	definition.ChannelName = t.MetaData[XMLTVConstants.Channels.ChannelDisplayName].FirstOrDefault().Value.ToString();
76	list.Add(definition);
77	}
78	catch (Exception ex) { throw ex; }
79	}
80	list = new ChannelDefintionList(list.OrderBy(s => s.ChannelName).ToList());
81	bindable = list;
82	return bindable;
83	}
84
85	}
86	public class ProgramList : List<IXMLTVProgram>, IDataSourceBindable//, IDataConverter<IProgramDefinitionList>
87	{
88	private class ProgramDefinitionList : List<IProgramDefinition>, IDataSourceSortable, IDataSourceFilterable, IProgramDefinitionList
89	{
90	public ProgramDefinitionList() { }
91	public ProgramDefinitionList(List<IProgramDefinition> collection) { collection.ForEach(s => this.Add(s)); }
92	#region IDataSourceSortable members
93	public void Sort(ref object source, bool descending, params string[] args)
94	{
95	IProgramDefinitionList list = null;
96	IOrderedEnumerable<IProgramDefinition> ordered = null;
97	try
98	{
99	list = (ProgramDefinitionList)source;
100	var col = args.First().ToString().ToLower();
101	switch (col)
102	{
103	case "channelname": ordered = descending ? list.OrderByDescending(s => s.ChannelName) : list.OrderBy(s => s.ChannelName); break;
104	case "start": ordered = descending ? list.OrderByDescending(s => s.Start) : list.OrderBy(s => s.Start); break;
105	case "stop": ordered = descending ? list.OrderByDescending(s => s.Stop) : list.OrderBy(s => s.Stop); break;
106	case "description": ordered = descending ? list.OrderByDescending(s => s.Description) : list.OrderBy(s => s.Description); break;
107	case "title": ordered = descending ? list.OrderByDescending(s => s.Title) : list.OrderBy(s => s.Title); break;
108	case "subtitle": ordered = descending ? list.OrderByDescending(s => s.SubTitle) : list.OrderBy(s => s.SubTitle); break;
109	}
110	//bool first = true;
111	foreach (var arg in args.Skip(1))
112	{
113	col = arg.ToLower();
114	switch (col)
115	{
116	case "channelname": ordered = descending ? ordered.ThenByDescending(s => s.ChannelName) : ordered.ThenBy(s => s.ChannelName); break;
117	case "start": ordered = descending ? ordered.ThenByDescending(s => s.Start) : ordered.ThenBy(s => s.Start); break;
118	case "stop": ordered = descending ? ordered.ThenByDescending(s => s.Stop) : ordered.ThenBy(s => s.Stop); break;
119	case "description": ordered = descending ? ordered.ThenByDescending(s => s.Description) : ordered.ThenBy(s => s.Description); break;
120	case "title": ordered = descending ? ordered.ThenByDescending(s => s.Title) : ordered.ThenBy(s => s.Title); break;
121	case "subtitle": ordered = descending ? ordered.ThenByDescending(s => s.SubTitle) : ordered.ThenBy(s => s.SubTitle); break;
122	}
123	}
124	list = new ProgramDefinitionList(ordered.ToList());
125	}
126	catch (Exception ex) { throw ex; }
127	if (list != null) { source = list; }
128	}
129	#endregion
130	#region IDataSourceFilterable members
131	public void Filter(ref object source, params string[] args)
132	{
133	IProgramDefinitionList list = null;
134	List<IProgramDefinition> ordered = null;
135	try
136	{
137	list = (ProgramDefinitionList)source;
138	//var col = args.First().ToString().ToLower();
139	//var data = args.().ToString().ToLower();
140
141	if (args.Count() != 2) { throw new ArgumentOutOfRangeException("args", "Excpected 2 aguments: columnname and filtertext"); }
142
143	string columnname = args[0].ToLower();
144	string filtertext = args[1].ToLower();
145
146	switch (columnname)
147	{
148	case "channelname": ordered = list.ToList().FindAll(s => s.ChannelName.ToLower().Contains(filtertext)); break;
149	case "start":
150	case "stop":
151	throw new ArgumentException("columnname", string.Format("Filtering for column: '{0}' has not been implemented", columnname));
152	case "description": ordered = list.ToList().FindAll(s => s.Description.ToLower().Contains(filtertext)); break;
153	case "title": ordered = list.ToList().FindAll(s => s.Title.ToLower().Contains(filtertext)); break;
154	case "subtitle": ordered = list.ToList().FindAll(s => s.SubTitle.ToLower().Contains(filtertext)); break;
155	}
156	list = new ProgramDefinitionList(ordered.ToList());
157	if (list.Count == 0)
158	{
159	list = (ProgramDefinitionList)source;
160	gLog.Warn.WriteLine("Filering by: column='{0}' with filer='{1}' returned no data",columnname, filtertext);
161	}
162	}
163	catch (Exception ex) { throw ex; }
164	if (list != null) { source = list; }
165	}
166	#endregion
167	}
168	private class ProgramDefintion : IProgramDefinition
169	{
170	public ProgramDefintion()
171	{
172	//ChannelId = string.Empty;
173	ChannelName = string.Empty;
174	Start = new DateTime();
175	Stop = new DateTime();
176	Description = string.Empty;
177	Title = string.Empty;
178	SubTitle = string.Empty;
179	}
180	//public string ChannelId { get; internal set; }
181	public string ChannelName { get; internal set; }
182	public DateTime Start { get; internal set; }
183	public DateTime Stop { get; internal set; }
184	public string Title { get; internal set; }
185	public string SubTitle { get; internal set; }
186	public string Description { get; internal set; }
187
188
189	}
190	public ProgramList() { }
191	//public object ConvertObjectData(object source) { return this.ConvertData(source); }
192	//public IProgramDefinitionList ConvertData(object source)
193	//{
194	// if (source.GetType() != typeof(ProgramDefinitionList)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", source.GetType().Name, typeof(ProgramDefinitionList).Name)); }
195	// //if (type != typeof(IProgramDefinitionList)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", type.Name, typeof(IProgramDefinitionList).Name)); }
196	// IProgramDefinitionList t = (source as IProgramDefinitionList);
197	// return t;
198	//}
199	/// <summary>
200	///
201	/// </summary>
202	/// <param name="type"></param>
203	/// <returns></returns>
204	public object CreateBindableDataSource(out Type type)
205	{
206	type = typeof(IProgramDefinitionList);
207	object bindable = new object();
208	ProgramDefinitionList list = new ProgramDefinitionList();
209
210	foreach (var t in this)
211	{
212	try
213	{
214	ProgramDefintion definition = new ProgramDefintion();
215	string ChannelId = t.MetaData[XMLTVConstants.Programs.ProgramChannelId].ToString();
216	//definition.ChannelId = ChannelId;
217
218	var channels = XMLTV.GetChannels();
219	if (channels != null)
220	{
221	var channel = channels.Find(p => p.Id == ChannelId);
222	if (channel != null)
223	{
224	definition.ChannelName = channel.MetaData[XMLTVConstants.Channels.ChannelDisplayName].FirstOrDefault().Value.ToString();
225	}
226	else
227	{
228	definition.ChannelName = string.Empty;
229	}
230	}
231	else
232	{
233	definition.ChannelName = string.Empty;
234	}
235	definition.Start = (DateTime)t.MetaData[XMLTVConstants.Programs.ProgramStart];
236	definition.Stop = (DateTime)t.MetaData[XMLTVConstants.Programs.ProgramStop];
237	definition.Description = t.MetaData[XMLTVConstants.Programs.ProgramDescription].ToString();
238	definition.Title = t.MetaData[XMLTVConstants.Programs.ProgramTitle].ToString();
239	definition.SubTitle = t.MetaData[XMLTVConstants.Programs.ProgramSubTitle].ToString();
240	list.Add(definition);
241	}
242	catch (Exception ex) { throw ex; }
243	}
244
245	list = new ProgramDefinitionList(list.OrderBy(s => s.Start).ToList());
246
247	bindable = list;
248	return bindable;
249	}
250	}
251	public class ExtraList : List<IExtraMetaData>, IDataSourceBindable
252	{
253
254	public ExtraList() { }
255	/// <summary>
256	///
257	/// </summary>
258	/// <param name="type"></param>
259	/// <returns></returns>
260	public object CreateBindableDataSource(out Type type)
261	{
262	type = typeof(object);
263	throw new NotImplementedException("Conversion of Extra MetaData to a bindable datasource has not been implemented.");
264	//object bindable = new object();
265	//return bindable;
266	}
267	//public object ConvertObjectData(object source) { return source; }
268	//public object Convert(object source)
269	//{
270	// throw new NotImplementedException("Conversion of Extra MetaData to a bindable datasource has not been implemented.");
271	//}
272	}
273	}