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

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Revision 126 - (hide annotations) (download)
Sun Mar 10 20:19:33 2013 UTC (6 years, 8 months ago) by william
File size: 7699 byte(s)

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     public class ChannelList : List<IXMLTVChannel>, IDataSourceBindable
11     {
12 william 126 private class ChannelDefintionList : List<ChannelDefintion>, IDataSourceSortable, IDataSourceFilterable
13 william 121 {
14 william 126 public ChannelDefintionList() { }
15     public ChannelDefintionList(List<ChannelDefintion> 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 126 private class ChannelDefintion
28     {
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 122
49    
50 william 120 public object CreateBindableDataSource()
51     {
52     object bindable = new object();
53 william 126 ChannelDefintionList list = new ChannelDefintionList();
54 william 122
55     foreach (var t in this)
56     {
57     try
58     {
59     ChannelDefintion definition = new ChannelDefintion();
60     definition.ChannelId = t.Id;
61 william 123 definition.ChannelName = t.MetaData[XMLTVConstants.Channels.ChannelDisplayName].FirstOrDefault().Value.ToString();
62 william 122 list.Add(definition);
63     }
64     catch (Exception ex) { throw ex; }
65     }
66 william 126 list = new ChannelDefintionList(list.OrderBy(s => s.ChannelName).ToList());
67 william 122 bindable = list;
68 william 120 return bindable;
69     }
70     }
71     public class ProgramList : List<IXMLTVProgram>, IDataSourceBindable
72     {
73 william 126 private class ProgramDefinitionList : List<ProgramDefintion>, IDataSourceSortable, IDataSourceFilterable
74 william 121 {
75 william 126 public ProgramDefinitionList() { }
76     public ProgramDefinitionList(List<ProgramDefintion> collection) { collection.ForEach(s => this.Add(s)); }
77     #region IDataSourceSortable members
78     public void Sort(ref object source, params string[] args)
79     {
80     ProgramDefinitionList list = null;
81     try
82     {
83     list = (ProgramDefinitionList)source;
84    
85     var col = args[0].ToLower();
86     switch (col)
87     {
88     case "channelname": list =new ProgramDefinitionList( list.OrderBy(s => s.ChannelName).ToList()); break;
89     case "start": list = new ProgramDefinitionList( list.OrderBy(s => s.Start).ToList()); break;
90     case "stop": list = new ProgramDefinitionList( list.OrderBy(s => s.Stop).ToList()); break;
91     case "description": list = new ProgramDefinitionList( list.OrderBy(s => s.Description).ToList()); break;
92     case "title": list = new ProgramDefinitionList( list.OrderBy(s => s.Title).ToList()); break;
93     case "subtitle": list = new ProgramDefinitionList(list.OrderBy(s => s.SubTitle).ToList()); break;
94     }
95    
96     }
97     catch (Exception ex) { throw ex; }
98     if (list != null) { source = list; }
99     }
100     #endregion
101     #region IDataSourceFilterable members
102     public void Filter(ref object source, params string[] args)
103     {
104     }
105     #endregion
106     }
107     private class ProgramDefintion
108     {
109 william 122 public ProgramDefintion()
110     {
111 william 123 //ChannelId = string.Empty;
112 william 122 ChannelName = string.Empty;
113     Start = new DateTime();
114     Stop = new DateTime();
115     Description = string.Empty;
116     Title = string.Empty;
117     SubTitle = string.Empty;
118     }
119 william 123 //public string ChannelId { get; internal set; }
120 william 122 public string ChannelName { get; internal set; }
121     public DateTime Start { get; internal set; }
122     public DateTime Stop { get; internal set; }
123     public string Title { get; internal set; }
124     public string SubTitle { get; internal set; }
125 william 125 public string Description { get; internal set; }
126    
127 william 126
128 william 121 }
129 william 120 public ProgramList() { }
130    
131     public object CreateBindableDataSource()
132     {
133     object bindable = new object();
134 william 126 ProgramDefinitionList list = new ProgramDefinitionList();
135 william 121
136 william 122 foreach (var t in this)
137     {
138     try
139     {
140     ProgramDefintion definition = new ProgramDefintion();
141 william 123 string ChannelId = t.MetaData[XMLTVConstants.Programs.ProgramChannelId].ToString();
142     //definition.ChannelId = ChannelId;
143 william 121
144 william 122 var channels = XMLTV.GetChannels();
145     if (channels != null)
146     {
147 william 123 var channel = channels.Find(p => p.Id == ChannelId);
148 william 122 if (channel != null)
149     {
150     definition.ChannelName = channel.MetaData[XMLTVConstants.Channels.ChannelDisplayName].FirstOrDefault().Value.ToString();
151     }
152     else
153     {
154     definition.ChannelName = string.Empty;
155     }
156     }
157     else
158     {
159     definition.ChannelName = string.Empty;
160     }
161     definition.Start = (DateTime)t.MetaData[XMLTVConstants.Programs.ProgramStart];
162     definition.Stop = (DateTime)t.MetaData[XMLTVConstants.Programs.ProgramStop];
163     definition.Description = t.MetaData[XMLTVConstants.Programs.ProgramDescription].ToString();
164     definition.Title = t.MetaData[XMLTVConstants.Programs.ProgramTitle].ToString();
165     definition.SubTitle = t.MetaData[XMLTVConstants.Programs.ProgramSubTitle].ToString();
166     list.Add(definition);
167     }
168     catch (Exception ex) { throw ex; }
169     }
170 william 123
171 william 126 list = new ProgramDefinitionList(list.OrderBy(s => s.Start).ToList());
172 william 123
173 william 122 bindable = list;
174 william 120 return bindable;
175     }
176     }
177     public class ExtraList : List<IExtraMetaData>, IDataSourceBindable
178     {
179 william 121
180 william 120 public ExtraList() { }
181    
182     public object CreateBindableDataSource()
183     {
184 william 124 throw new NotImplementedException("Conversion of Extra MetaData to a bindable datasource has not been implemented.");
185     //object bindable = new object();
186     //return bindable;
187 william 120 }
188     }
189     }

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