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 "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();
                Stop = new DateTime();
                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 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)
                        {
                            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];
                    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 "channelnumber": ordered = descending ? list.OrderByDescending(s => s.ChannelNumber) : list.OrderBy(s => s.ChannelNumber); break;
104	case "channelname": ordered = descending ? list.OrderByDescending(s => s.ChannelName) : list.OrderBy(s => s.ChannelName); break;
105	case "start": ordered = descending ? list.OrderByDescending(s => s.Start) : list.OrderBy(s => s.Start); break;
106	case "stop": ordered = descending ? list.OrderByDescending(s => s.Stop) : list.OrderBy(s => s.Stop); break;
107	case "description": ordered = descending ? list.OrderByDescending(s => s.Description) : list.OrderBy(s => s.Description); break;
108	case "title": ordered = descending ? list.OrderByDescending(s => s.Title) : list.OrderBy(s => s.Title); break;
109	case "subtitle": ordered = descending ? list.OrderByDescending(s => s.SubTitle) : list.OrderBy(s => s.SubTitle); break;
110	}
111	//bool first = true;
112	foreach (var arg in args.Skip(1))
113	{
114	col = arg.ToLower();
115	switch (col)
116	{
117	case "channelnumber": ordered = descending ? ordered.ThenByDescending(s => s.ChannelNumber) : ordered.ThenBy(s => s.ChannelNumber); break;
118	case "channelname": ordered = descending ? list.OrderByDescending(s => s.ChannelName) : list.OrderBy(s => s.ChannelName); break;
119	case "start": ordered = descending ? ordered.ThenByDescending(s => s.Start) : ordered.ThenBy(s => s.Start); break;
120	case "stop": ordered = descending ? ordered.ThenByDescending(s => s.Stop) : ordered.ThenBy(s => s.Stop); break;
121	case "description": ordered = descending ? ordered.ThenByDescending(s => s.Description) : ordered.ThenBy(s => s.Description); break;
122	case "title": ordered = descending ? ordered.ThenByDescending(s => s.Title) : ordered.ThenBy(s => s.Title); break;
123	case "subtitle": ordered = descending ? ordered.ThenByDescending(s => s.SubTitle) : ordered.ThenBy(s => s.SubTitle); break;
124	}
125	}
126	list = new ProgramDefinitionList(ordered.ToList());
127	}
128	catch (Exception ex) { throw ex; }
129	if (list != null) { source = list; }
130	}
131	#endregion
132	#region IDataSourceFilterable members
133	public void Filter(ref object source, params string[] args)
134	{
135	IProgramDefinitionList list = null;
136	List<IProgramDefinition> ordered = null;
137	try
138	{
139	list = (ProgramDefinitionList)source;
140	//var col = args.First().ToString().ToLower();
141	//var data = args.().ToString().ToLower();
142
143	if (args.Count() != 2) { throw new ArgumentOutOfRangeException("args", "Excpected 2 aguments: columnname and filtertext"); }
144
145	string columnname = args[0].ToLower();
146	string filtertext = args[1].ToLower();
147
148	switch (columnname)
149	{
150	case "channelnumber": ordered = list.ToList().FindAll(s => s.ChannelNumber == Convert.ToInt32(filtertext)); break;
151	case "channelname": ordered = list.ToList().FindAll(s => s.ChannelName.ToLower().Contains(filtertext)); break;
152	case "start":
153	case "stop":
154	throw new ArgumentException("columnname", string.Format("Filtering for column: '{0}' has not been implemented", columnname));
155	case "description": ordered = list.ToList().FindAll(s => s.Description.ToLower().Contains(filtertext)); break;
156	case "title": ordered = list.ToList().FindAll(s => s.Title.ToLower().Contains(filtertext)); break;
157	case "subtitle": ordered = list.ToList().FindAll(s => s.SubTitle.ToLower().Contains(filtertext)); break;
158	}
159	list = new ProgramDefinitionList(ordered.ToList());
160	if (list.Count == 0)
161	{
162	list = (ProgramDefinitionList)source;
163	gLog.Warn.WriteLine("Filering by: column='{0}' with filer='{1}' returned no data",columnname, filtertext);
164	}
165	}
166	catch (Exception ex) { throw ex; }
167	if (list != null) { source = list; }
168	}
169	#endregion
170	}
171	private class ProgramDefintion : IProgramDefinition
172	{
173	public ProgramDefintion()
174	{
175	//ChannelId = string.Empty;
176	ChannelNumber = 0;
177	ChannelName = string.Empty;
178	Start = new DateTime();
179	Stop = new DateTime();
180	Description = string.Empty;
181	Title = string.Empty;
182	SubTitle = string.Empty;
183	}
184	//public string ChannelId { get; internal set; }
185	public int ChannelNumber { get; internal set; }
186	public string ChannelName { get; internal set; }
187	public DateTime Start { get; internal set; }
188	public DateTime Stop { get; internal set; }
189	public string Title { get; internal set; }
190	public string SubTitle { get; internal set; }
191	public string Description { get; internal set; }
192
193
194	}
195	public ProgramList() { }
196	//public object ConvertObjectData(object source) { return this.ConvertData(source); }
197	//public IProgramDefinitionList ConvertData(object source)
198	//{
199	// if (source.GetType() != typeof(ProgramDefinitionList)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", source.GetType().Name, typeof(ProgramDefinitionList).Name)); }
200	// //if (type != typeof(IProgramDefinitionList)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", type.Name, typeof(IProgramDefinitionList).Name)); }
201	// IProgramDefinitionList t = (source as IProgramDefinitionList);
202	// return t;
203	//}
204	/// <summary>
205	///
206	/// </summary>
207	/// <param name="type"></param>
208	/// <returns></returns>
209	public object CreateBindableDataSource(out Type type)
210	{
211	type = typeof(IProgramDefinitionList);
212	object bindable = new object();
213	ProgramDefinitionList list = new ProgramDefinitionList();
214
215	foreach (var t in this)
216	{
217	try
218	{
219	ProgramDefintion definition = new ProgramDefintion();
220	string ChannelId = t.MetaData[XMLTVConstants.Programs.ProgramChannelId].ToString();
221	//definition.ChannelId = ChannelId;
222
223	var channels = XMLTV.GetChannels();
224	if (channels != null)
225	{
226	var channel = channels.Find(p => p.Id == ChannelId);
227	if (channel != null)
228	{
229	var channelname = channel.MetaData[XMLTVConstants.Channels.ChannelDisplayName].FirstOrDefault().Value.ToString();
230	var split = channelname.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
231	definition.ChannelNumber = Convert.ToInt32(split.First());
232	definition.ChannelName = string.IsNullOrEmpty(split.Last()) ? string.Empty : split.Last().ToString();
233
234	}
235	else
236	{
237	definition.ChannelNumber = 0;
238	}
239	}
240	else
241	{
242	definition.ChannelNumber = 0;
243	}
244	definition.Start = (DateTime)t.MetaData[XMLTVConstants.Programs.ProgramStart];
245	definition.Stop = (DateTime)t.MetaData[XMLTVConstants.Programs.ProgramStop];
246	definition.Description = t.MetaData[XMLTVConstants.Programs.ProgramDescription].ToString();
247	definition.Title = t.MetaData[XMLTVConstants.Programs.ProgramTitle].ToString();
248	definition.SubTitle = t.MetaData[XMLTVConstants.Programs.ProgramSubTitle].ToString();
249	list.Add(definition);
250	}
251	catch (Exception ex) { throw ex; }
252	}
253
254	list = new ProgramDefinitionList(list.OrderBy(s => s.Start).ToList());
255
256	bindable = list;
257	return bindable;
258	}
259	}
260	public class ExtraList : List<IExtraMetaData>, IDataSourceBindable
261	{
262
263	public ExtraList() { }
264	/// <summary>
265	///
266	/// </summary>
267	/// <param name="type"></param>
268	/// <returns></returns>
269	public object CreateBindableDataSource(out Type type)
270	{
271	type = typeof(object);
272	throw new NotImplementedException("Conversion of Extra MetaData to a bindable datasource has not been implemented.");
273	//object bindable = new object();
274	//return bindable;
275	}
276	//public object ConvertObjectData(object source) { return source; }
277	//public object Convert(object source)
278	//{
279	// throw new NotImplementedException("Conversion of Extra MetaData to a bindable datasource has not been implemented.");
280	//}
281	}
282	}