/[xmltv_parser]/trunk/xmltv_parser/main.cs
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Contents of /trunk/xmltv_parser/main.cs

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Revision 116 - (show annotations) (download)
Sun Mar 10 16:09:35 2013 UTC (6 years, 6 months ago) by william
File size: 14146 byte(s)
+ also serialize to file on a seperate thread ... although it does not block the main form as badly as deserializtion does

1 //#define DISABLE_RELEASE_MODE_KLOGLEVEL_DEBUG // when defined will turn off kLogLevel_Debug messages, in release mode
2 //#define DISABLE_DEBUG_MODE_KLOGLEVEL_VERBOSE_DEBUG // when defined will turn off kLogLevel_VerboseDebug message, in debug mode
3 using System;
4 using System.Collections.Generic;
5 using System.ComponentModel;
6 using System.Data;
7 using System.Linq;
8 using System.Drawing;
9 using System.Text;
10 using System.Windows.Forms;
11 using libxmltv.Core;
12 using Enterprise.Logging;
13 using libxmltv.Interfaces;
14 using System.IO;
15 using System.Runtime.Serialization.Formatters.Binary;
16 using System.Threading;
17 using System.Diagnostics;
18 using System.Xml.Linq;
19
20 namespace xmltv_parser
21 {
22
23 public partial class main : Form
24 {
25 public main()
26 {
27 InitializeComponent();
28 ListViewSorter Sorter = new ListViewSorter();
29 lstPrograms.ListViewItemSorter = Sorter;
30 string log_path = Application.StartupPath;
31 string log_filename = string.Format("{0}.log", typeof(main).Assembly.GetName().Name);
32 gLog.CreateLog(string.Format(@"{0}\{1}", log_path, log_filename), false, LogLevel.kLogLevel_All_NoProgress, new EventHandler<LoggerOnFlushEventArgs>(Log_OnFlush));
33 #if DEBUG
34 LogLevel gLevel = gLog.LogLevel;
35 #if DISABLE_DEBUG_MODE_KLOGLEVEL_VERBOSE_DEBUG
36 gLevel &= ~LogLevel.kLogLevel_VerboseDebug;
37 #else
38 gLevel |= LogLevel.kLogLevel_VerboseDebug;
39 #endif
40 gLevel |= LogLevel.kLogLevel_Debug;
41 gLog.SetLogLevel(gLevel);
42 #else
43 LogLevel gLevel = LogLevel.kLogLevel_Default; // set the default log level: Info, Warn, Error, Debug
44 // it is OK for kLogLevel_Debug to be set in Release mode ... must of the chatty messages are from kLogLevel_VerboseDebug
45 #if DISABLE_RELEASE_MODE_KLOGLEVEL_DEBUG
46 gLevel &= ~LogLevel.kLogLevel_Debug;
47 #else
48 gLevel |= LogLevel.kLogLevel_Debug;
49 #endif
50 gLevel &= ~LogLevel.kLogLevel_VerboseDebug; // ensure this is not set, ever in release mode
51 gLog.SetLogLevel(gLevel);
52 #endif
53
54
55 gLog.ReportProgressEvent += new EventHandler<ReportProgressEventArgs>(gLog_ReportProgress);
56 }
57
58 private void ReportProgress(int progress)
59 {
60 if (this.InvokeRequired)
61 {
62 try
63 {
64 this.Invoke((Action)(delegate { ReportProgress(progress); }));
65 }
66 catch { }
67 return;
68 }
69 if (progress_status != null && !this.IsDisposed)
70 progress_status.Value = progress;
71 }
72 private void gLog_ReportProgress(object sender, ReportProgressEventArgs e) { ReportProgress(e.Progress); }
73
74 StringBuilder log_flusher = new StringBuilder();
75
76 void Log_OnFlush(object sender, LoggerOnFlushEventArgs e)
77 {
78 OnLogFlush(e.Buffer);
79 }
80 //bool txtLog_EnterMouse = false;
81
82 private void txtLog_MouseLeave(object sender, EventArgs e)
83 {
84 //txtLog_EnterMouse = false;
85 }
86 private void txtLog_MouseEnter(object sender, EventArgs e)
87 {
88 //txtLog_EnterMouse = true;
89 }
90 void OnLogFlush(string logmessage)
91 {
92 if (this.IsDisposed) { return; }
93 UpdateStatus(logmessage);
94 UpdateLogOutput(logmessage);
95 Application.DoEvents();
96 }
97
98 void UpdateStatus(string logmessage)
99 {
100 if (this.InvokeRequired)
101 {
102 try
103 {
104 this.Invoke((Action)(delegate { UpdateStatus(logmessage); }));
105 }
106 catch { }
107 return;
108 }
109 txtStatus.Text = logmessage.Replace(System.Environment.NewLine, "");
110 }
111 void UpdateLogOutput(string logmessage)
112 {
113 if (this.InvokeRequired)
114 {
115 try
116 {
117 this.Invoke((Action)(delegate { UpdateLogOutput(logmessage); }));
118 }
119 catch { }
120 return;
121 }
122 txtLog.AppendText(logmessage);
123 txtLog.SelectionStart = txtLog.Text.Length; //Set the current caret position to the end
124 txtLog.ScrollToCaret(); //Now scroll it automatically
125 }
126
127 //List<IXMLTVChannel> Channels;
128 List<IXMLTVProgram> Programs;
129
130 private void main_Load(object sender, EventArgs e)
131 {
132
133 }
134 private void main_Shown(object sender, EventArgs e)
135 {
136
137 }
138
139
140 void LoadXMLTVShcedule(string schedule_xml)
141 {
142 XMLTV.CreateInstance(schedule_xml, new EventHandler<EventArgs>(XMLTV_OnInstanceCreated));
143 }
144
145 void XMLTV_OnInstanceCreated(object sender, EventArgs e)
146 {
147 ReportProgress(0);
148 var instance = XMLTV.GetInstance();
149 if (instance != null)
150 {
151 var program_count = instance.Programs.Count;
152 var program_list = instance.Programs.ToList().OrderBy(s => s.MetaData[XMLTVConstants.Programs.ProgramStart].ToString());
153 //Programs = program_list(0, program_count).ToList();
154 Programs = new List<IXMLTVProgram>(program_list.ToArray());
155 }
156 CreateControls();
157 }
158
159
160 //void xmltv_cancelevent(object sender, CancelEventArgs e)
161 //{
162 // if (form_closing)
163 // {
164 // e.Cancel = true;
165 // }
166 //}
167
168 void CreateControls()
169 {
170 if (this.InvokeRequired)
171 {
172 this.Invoke((Action)(delegate { CreateControls(); }));
173 return;
174 }
175 List<ListViewItem> items = new List<ListViewItem>();
176 foreach (var program in Programs)
177 {
178 IXMLTVChannel Channel = null;
179 var instance = XMLTV.GetInstance();
180 var id = program.MetaData[XMLTVConstants.Programs.ProgramChannelId].ToString();
181 Channel = instance.Channels.Find(m => m.Id == id);
182 //ListViewItem li = new ListViewItem(string.Format("{0} {1}", Channel.Number, Channel.CallSign));
183 if (Channel == null)
184 {
185 throw new NullReferenceException(string.Format("Could not find any channel with an id of '{0}'", id));
186 }
187 if (Channel.MetaData.Count() == 0) { throw new ArgumentOutOfRangeException(string.Format("No metadata available for channel id '{0}'", Channel.Id)); }
188 var channel_names = Channel.MetaData[XMLTVConstants.Channels.ChannelDisplayName];
189 string channel_name = string.Empty;
190 if (channel_names.Count() == 0) { throw new ArgumentOutOfRangeException(string.Format("No properties named '{0}' found for channel id '{1}'", XMLTVConstants.Channels.ChannelDisplayName, Channel.Id)); }
191 else
192 {
193 var channame = channel_names.FirstOrDefault();
194 if (channame == null) { throw new ArgumentNullException("channame", string.Format("Unable to get channel display name for channel id '{0}'", Channel.Id)); }
195 else
196 {
197 if (channame.Value == null) { throw new ArgumentNullException("channame.Value", string.Format("Unable to get channel display name for channel id '{0}'", Channel.Id)); }
198 else { channel_name = channame.Value.ToString(); }
199 }
200 }
201 ListViewItem li = new ListViewItem(string.Format("{0}", channel_name));
202 li.Tag = program;
203 li.SubItems.Add(new ListViewItem.ListViewSubItem(li, program.MetaData[XMLTVConstants.Programs.ProgramTitle].ToString()));
204 li.SubItems.Add(new ListViewItem.ListViewSubItem(li, program.MetaData[XMLTVConstants.Programs.ProgramSubTitle].ToString()));
205 li.SubItems.Add(new ListViewItem.ListViewSubItem(li, program.MetaData[XMLTVConstants.Programs.ProgramDescription].ToString()));
206 li.SubItems.Add(new ListViewItem.ListViewSubItem(li, ((DateTime)program.MetaData[XMLTVConstants.Programs.ProgramStart]).ToString("yyyy/MM/dd hh:mm tt")));
207 li.SubItems.Add(new ListViewItem.ListViewSubItem(li, ((DateTime)program.MetaData[XMLTVConstants.Programs.ProgramStop]).ToString("yyyy/MM/dd hh:mm tt")));
208 //lstPrograms.Items.Add(li);
209 items.Add(li);
210 }
211
212 lstPrograms.Items.AddRange(items.ToArray());
213 }
214
215 private void mnuItemOpenXMLTVFile_Click(object sender, EventArgs e)
216 {
217 try
218 {
219 lstPrograms.Items.Clear();
220 //LoadXMLTVShcedule("20130307_continuum_schedule.xml");
221 var result = xmltv_file_chooser.ShowDialog();
222 if (result != DialogResult.OK) return;
223 ClearLocalLog();
224 LoadXMLTVShcedule(xmltv_file_chooser.FileName);
225 //CreateControls();
226 }
227 catch (Exception ex)
228 {
229 gLog.Error.WriteLine(ex.ToString());
230 }
231 }
232
233 private void DeserializeDataFromFile(object filename)
234 {
235 if (filename == null) { throw new ArgumentNullException("filename", "cannot be null"); }
236 bool status = false;
237 IXMLTVRuntimeInstance xmltv = XMLTV.DeSerialize(filename.ToString(), out status);
238 XMLTV.CreateFromInstance(xmltv, new EventHandler<EventArgs>(XMLTV_OnInstanceCreated));
239 if (!status)
240 {
241 MessageBox.Show("Failed to load data - check log", "Failed to load data", MessageBoxButtons.OK, MessageBoxIcon.Error);
242 return;
243 }
244 MessageBox.Show("Successfully loaded data", "Successfully loaded data", MessageBoxButtons.OK, MessageBoxIcon.Information);
245 }
246
247 private void mnuItemOpenSavedData_Click(object sender, EventArgs e)
248 {
249 try
250 {
251 var result = xmltv_program_data_loader.ShowDialog();
252 if (result != DialogResult.OK) return;
253 string filename = xmltv_program_data_loader.FileName;
254 Thread worker = new Thread(new ParameterizedThreadStart(DeserializeDataFromFile)); worker.Start(filename);
255 }
256 catch (Exception ex)
257 {
258 gLog.Error.WriteLine(ex.ToString());
259 }
260 }
261 private void DeserializeDataToFile(object filename)
262 {
263 if (filename == null) { throw new ArgumentNullException("filename", "cannot be null"); }
264 if (!XMLTV.Serialize(filename.ToString()))
265 {
266 MessageBox.Show("Failed to save data - check log", "Failed to save data", MessageBoxButtons.OK, MessageBoxIcon.Error);
267 return;
268 }
269 MessageBox.Show("Successfully saved data", "Successfully saved data", MessageBoxButtons.OK, MessageBoxIcon.Information);
270 }
271 private void mnuItemSaveData_Click(object sender, EventArgs e)
272 {
273 try
274 {
275 var result = xmltv_program_data_saver.ShowDialog();
276 if (result != DialogResult.OK) return;
277 string filename = xmltv_program_data_saver.FileName;
278 Thread worker = new Thread(new ParameterizedThreadStart(DeserializeDataToFile)); worker.Start(filename);
279 }
280 catch (Exception ex)
281 {
282 gLog.Error.WriteLine(ex.ToString());
283 }
284 }
285
286 private void main_FormClosing(object sender, FormClosingEventArgs e)
287 {
288 try
289 {
290 XMLTV.DestroyInstance();
291 }
292 catch { }
293 }
294
295 private void mnuItemClearLocalLog_Click(object sender, EventArgs e)
296 {
297 ClearLocalLog();
298 }
299 private void ClearLocalLog()
300 {
301 var log_top_entry = txtLog.Lines.FirstOrDefault();
302 txtLog.Clear();
303 if (!string.IsNullOrEmpty(log_top_entry))
304 {
305 txtLog.AppendText(log_top_entry);
306 }
307 }
308
309 private void mnuItemExit_Click(object sender, EventArgs e)
310 {
311 this.Close();
312 }
313
314 private void lstPrograms_SelectedIndexChanged(object sender, EventArgs e)
315 {
316 IXMLTVProgram program = null;
317 var item = lstPrograms.SelectedItems[0];
318 int selected_index = lstPrograms.Items.IndexOf(item);
319 program = (item.Tag as IXMLTVProgram);
320 gLog.Debug.WriteLine("Selected ListViewItem at index: {0}", selected_index);
321 if (program == null) { return; }
322 txtStatus.Text = program.ToString();
323 //gLog.Debug.WriteLine(program.ToString());
324
325 }
326
327 private void lstPrograms_ColumnClick(object sender, ColumnClickEventArgs e)
328 {
329 if (!(lstPrograms.ListViewItemSorter is ListViewSorter)) return;
330 ListViewSorter Sorter = (ListViewSorter)lstPrograms.ListViewItemSorter;
331 Sorter.LastColumn = Sorter.CurrentColumn;
332 Sorter.CurrentColumn = e.Column;
333 if (Sorter.LastColumn == e.Column)
334 {
335 if (lstPrograms.Sorting == SortOrder.Ascending) { lstPrograms.Sorting = SortOrder.Descending; }
336 else { lstPrograms.Sorting = SortOrder.Ascending; }
337 }
338 else { lstPrograms.Sorting = SortOrder.Descending; }
339 lstPrograms.Sort();
340 }
341 }
342 }
343

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