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

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Revision 128 - (hide annotations) (download)
Wed Mar 13 13:45:05 2013 UTC (6 years, 8 months ago) by william
File size: 10142 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     ProgramDefinitionList list = null;
95     try
96     {
97     list = (ProgramDefinitionList)source;
98    
99     var col = args[0].ToLower();
100     switch (col)
101     {
102     case "channelname": list =new ProgramDefinitionList( list.OrderBy(s => s.ChannelName).ToList()); break;
103     case "start": list = new ProgramDefinitionList( list.OrderBy(s => s.Start).ToList()); break;
104     case "stop": list = new ProgramDefinitionList( list.OrderBy(s => s.Stop).ToList()); break;
105     case "description": list = new ProgramDefinitionList( list.OrderBy(s => s.Description).ToList()); break;
106     case "title": list = new ProgramDefinitionList( list.OrderBy(s => s.Title).ToList()); break;
107     case "subtitle": list = new ProgramDefinitionList(list.OrderBy(s => s.SubTitle).ToList()); break;
108     }
109    
110     }
111     catch (Exception ex) { throw ex; }
112     if (list != null) { source = list; }
113     }
114     #endregion
115     #region IDataSourceFilterable members
116     public void Filter(ref object source, params string[] args)
117     {
118     }
119     #endregion
120     }
121 william 128 private class ProgramDefintion : IProgramDefinition
122 william 126 {
123 william 122 public ProgramDefintion()
124     {
125 william 123 //ChannelId = string.Empty;
126 william 122 ChannelName = string.Empty;
127     Start = new DateTime();
128     Stop = new DateTime();
129     Description = string.Empty;
130     Title = string.Empty;
131     SubTitle = string.Empty;
132     }
133 william 123 //public string ChannelId { get; internal set; }
134 william 122 public string ChannelName { get; internal set; }
135     public DateTime Start { get; internal set; }
136     public DateTime Stop { get; internal set; }
137     public string Title { get; internal set; }
138     public string SubTitle { get; internal set; }
139 william 125 public string Description { get; internal set; }
140    
141 william 126
142 william 121 }
143 william 120 public ProgramList() { }
144 william 128 //public object ConvertObjectData(object source) { return this.ConvertData(source); }
145     //public IProgramDefinitionList ConvertData(object source)
146     //{
147     // if (source.GetType() != typeof(ProgramDefinitionList)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", source.GetType().Name, typeof(ProgramDefinitionList).Name)); }
148     // //if (type != typeof(IProgramDefinitionList)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", type.Name, typeof(IProgramDefinitionList).Name)); }
149     // IProgramDefinitionList t = (source as IProgramDefinitionList);
150     // return t;
151     //}
152     /// <summary>
153     ///
154     /// </summary>
155     /// <param name="type"></param>
156     /// <returns></returns>
157     public object CreateBindableDataSource(out Type type)
158 william 120 {
159 william 128 type = typeof(IProgramDefinitionList);
160 william 120 object bindable = new object();
161 william 126 ProgramDefinitionList list = new ProgramDefinitionList();
162 william 121
163 william 122 foreach (var t in this)
164     {
165     try
166     {
167     ProgramDefintion definition = new ProgramDefintion();
168 william 123 string ChannelId = t.MetaData[XMLTVConstants.Programs.ProgramChannelId].ToString();
169     //definition.ChannelId = ChannelId;
170 william 121
171 william 122 var channels = XMLTV.GetChannels();
172     if (channels != null)
173     {
174 william 123 var channel = channels.Find(p => p.Id == ChannelId);
175 william 122 if (channel != null)
176     {
177     definition.ChannelName = channel.MetaData[XMLTVConstants.Channels.ChannelDisplayName].FirstOrDefault().Value.ToString();
178     }
179     else
180     {
181     definition.ChannelName = string.Empty;
182     }
183     }
184     else
185     {
186     definition.ChannelName = string.Empty;
187     }
188     definition.Start = (DateTime)t.MetaData[XMLTVConstants.Programs.ProgramStart];
189     definition.Stop = (DateTime)t.MetaData[XMLTVConstants.Programs.ProgramStop];
190     definition.Description = t.MetaData[XMLTVConstants.Programs.ProgramDescription].ToString();
191     definition.Title = t.MetaData[XMLTVConstants.Programs.ProgramTitle].ToString();
192     definition.SubTitle = t.MetaData[XMLTVConstants.Programs.ProgramSubTitle].ToString();
193     list.Add(definition);
194     }
195     catch (Exception ex) { throw ex; }
196     }
197 william 123
198 william 126 list = new ProgramDefinitionList(list.OrderBy(s => s.Start).ToList());
199 william 123
200 william 122 bindable = list;
201 william 120 return bindable;
202     }
203     }
204     public class ExtraList : List<IExtraMetaData>, IDataSourceBindable
205     {
206 william 121
207 william 120 public ExtraList() { }
208 william 128 /// <summary>
209     ///
210     /// </summary>
211     /// <param name="type"></param>
212     /// <returns></returns>
213     public object CreateBindableDataSource(out Type type)
214 william 120 {
215 william 128 type = typeof(object);
216 william 124 throw new NotImplementedException("Conversion of Extra MetaData to a bindable datasource has not been implemented.");
217     //object bindable = new object();
218     //return bindable;
219 william 120 }
220 william 128 //public object ConvertObjectData(object source) { return source; }
221     //public object Convert(object source)
222     //{
223     // throw new NotImplementedException("Conversion of Extra MetaData to a bindable datasource has not been implemented.");
224     //}
225 william 120 }
226     }

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