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

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Revision 130 - (hide annotations) (download)
Wed Mar 13 14:39:08 2013 UTC (6 years, 8 months ago) by william
File size: 11262 byte(s)
+ current wip

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

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