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

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Revision 142 - (show annotations) (download)
Thu Mar 14 13:13:46 2013 UTC (6 years, 9 months ago) by william
File size: 17783 byte(s)
Programs filtering:
* add support to filter by start/stop

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 //#define USE_DYNAMIC_SORTING_FILTERING_CONTROLS // when defined will setup dynamic sorting and filtering controls for XMLTV Data
4 using System;
5 using System.Collections.Generic;
6 using System.ComponentModel;
7 using System.Data;
8 using System.Linq;
9 using System.Drawing;
10 using System.Text;
11 using System.Windows.Forms;
12 using libxmltv.Core;
13 using Enterprise.Logging;
14 using libxmltv.Interfaces;
15 using System.IO;
16 using System.Runtime.Serialization.Formatters.Binary;
17 using System.Threading;
18 using System.Diagnostics;
19 using System.Xml.Linq;
20
21 namespace xmltv_parser
22 {
23
24 public partial class main : Form
25 {
26 public main()
27 {
28 InitializeComponent();
29 ListViewSorter Sorter = new ListViewSorter();
30 //lstPrograms.ListViewItemSorter = Sorter;
31 string log_path = Application.StartupPath;
32 string log_filename = string.Format("{0}.log", typeof(main).Assembly.GetName().Name);
33 gLog.CreateLog(string.Format(@"{0}\{1}", log_path, log_filename), false, LogLevel.kLogLevel_All_NoProgress, new EventHandler<LoggerOnFlushEventArgs>(Log_OnFlush));
34 #if DEBUG
35 LogLevel gLevel = gLog.LogLevel;
36 #if DISABLE_DEBUG_MODE_KLOGLEVEL_VERBOSE_DEBUG
37 gLevel &= ~LogLevel.kLogLevel_VerboseDebug;
38 #else
39 gLevel |= LogLevel.kLogLevel_VerboseDebug;
40 #endif
41 gLevel |= LogLevel.kLogLevel_Debug;
42 gLog.SetLogLevel(gLevel);
43 #else
44 LogLevel gLevel = LogLevel.kLogLevel_Default; // set the default log level: Info, Warn, Error, Debug
45 // it is OK for kLogLevel_Debug to be set in Release mode ... must of the chatty messages are from kLogLevel_VerboseDebug
46 #if DISABLE_RELEASE_MODE_KLOGLEVEL_DEBUG
47 gLevel &= ~LogLevel.kLogLevel_Debug;
48 #else
49 gLevel |= LogLevel.kLogLevel_Debug;
50 #endif
51 gLevel &= ~LogLevel.kLogLevel_VerboseDebug; // ensure this is not set, ever in release mode
52 gLog.SetLogLevel(gLevel);
53 #endif
54
55
56 gLog.ReportProgressEvent += new EventHandler<ReportProgressEventArgs>(gLog_ReportProgress);
57 }
58 #region main form events
59 private void mnuItemExit_Click(object sender, EventArgs e) { this.Close(); }
60 private void main_Load(object sender, EventArgs e) { }
61 private void main_Shown(object sender, EventArgs e) { }
62 private void mnuItemOpenXMLTVFile_Click(object sender, EventArgs e)
63 {
64 try
65 {
66 var result = xmltv_file_chooser.ShowDialog();
67 if (result != DialogResult.OK) return;
68 ClearLocalLog();
69 LoadXMLTVShcedule(xmltv_file_chooser.FileName);
70 }
71 catch (Exception ex) { gLog.Error.WriteLine(ex.ToString()); }
72 }
73 private void mnuItemOpenSavedData_Click(object sender, EventArgs e)
74 {
75 try
76 {
77 var result = xmltv_program_data_loader.ShowDialog();
78 if (result != DialogResult.OK) return;
79 string filename = xmltv_program_data_loader.FileName;
80 Thread worker = new Thread(new ParameterizedThreadStart(DeserializeDataFromFile)); worker.Start(filename);
81 }
82 catch (Exception ex) { gLog.Error.WriteLine(ex.ToString()); }
83 }
84 private void mnuItemSaveData_Click(object sender, EventArgs e)
85 {
86 try
87 {
88 var result = xmltv_program_data_saver.ShowDialog();
89 if (result != DialogResult.OK) return;
90 string filename = xmltv_program_data_saver.FileName;
91 Thread worker = new Thread(new ParameterizedThreadStart(DeserializeDataToFile)); worker.Start(filename);
92 }
93 catch (Exception ex) { gLog.Error.WriteLine(ex.ToString()); }
94 }
95 private void main_FormClosing(object sender, FormClosingEventArgs e) { try { XMLTV.Destroy(); } catch { } }
96 private void mnuItemClearLocalLog_Click(object sender, EventArgs e) { ClearLocalLog(); }
97 #endregion
98
99 private void ReportProgress(int progress)
100 {
101 if (this.InvokeRequired)
102 {
103 try { this.Invoke((Action)(delegate { ReportProgress(progress); })); }
104 catch { }
105 return;
106 }
107 if (progress_status != null && !this.IsDisposed)
108 progress_status.Value = progress;
109 }
110
111 #region gLog Events
112 private void gLog_ReportProgress(object sender, ReportProgressEventArgs e) { ReportProgress(e.Progress); }
113 #endregion
114 #region XMLT Events
115 void XMLTV_OnInstanceCreated(object sender, EventArgs e) { ReportProgress(0); CreateControls(); }
116 void LoadXMLTVShcedule(string schedule_xml) { XMLTV.Create(schedule_xml, new EventHandler<EventArgs>(XMLTV_OnInstanceCreated)); }
117 #endregion
118
119
120 #region Logging Events
121 StringBuilder log_flusher = new StringBuilder();
122 void Log_OnFlush(object sender, LoggerOnFlushEventArgs e) { OnLogFlush(e.Buffer); }
123 void OnLogFlush(string logmessage)
124 {
125 if (this.IsDisposed) { return; }
126 UpdateStatus(logmessage);
127 UpdateLogOutput(logmessage);
128 Application.DoEvents();
129 }
130 private void ClearLocalLog()
131 {
132 var log_top_entry = txtLog.Lines.FirstOrDefault();
133 txtLog.Clear();
134 if (!string.IsNullOrEmpty(log_top_entry)) { txtLog.AppendText(log_top_entry); }
135 }
136 void UpdateStatus(string logmessage)
137 {
138 try
139 {
140 if (this.InvokeRequired)
141 {
142 try { this.Invoke((Action)(delegate { UpdateStatus(logmessage); })); }
143 catch { }
144 return;
145 }
146 txtStatus.Text = logmessage.Replace(System.Environment.NewLine, "");
147 }
148 catch (Exception ex) { gLog.Error.WriteLine(ex.ToString()); }
149 }
150 void UpdateLogOutput(string logmessage)
151 {
152 try
153 {
154 if (this.InvokeRequired)
155 {
156 try { this.Invoke((Action)(delegate { UpdateLogOutput(logmessage); })); }
157 catch { }
158 return;
159 }
160 txtLog.AppendText(logmessage);
161 txtLog.SelectionStart = txtLog.Text.Length; //Set the current caret position to the end
162 txtLog.ScrollToCaret(); //Now scroll it automatically
163 }
164 catch (Exception ex) { gLog.Error.WriteLine(ex.ToString()); }
165 }
166 #endregion
167
168 #region Binary Data Read/Write support
169 private void DeserializeDataFromFile(object filename)
170 {
171 if (filename == null) { throw new ArgumentNullException("filename", "cannot be null"); }
172 XMLTV.Load(filename.ToString(), new EventHandler<EventArgs>(XMLTV_OnInstanceCreated));
173 }
174 private void DeserializeDataToFile(object filename)
175 {
176 if (filename == null) { throw new ArgumentNullException("filename", "cannot be null"); }
177 XMLTV.Save(filename.ToString());
178 }
179 #endregion
180
181
182 #region t
183 void CreateControls()
184 {
185 try
186 {
187 if (this.InvokeRequired)
188 {
189 try { this.Invoke((Action)(delegate { CreateControls(); })); }
190 catch { }
191 return;
192 }
193 Type data_type;
194 object datasource = XMLTV.CreateBindingSourceFromData(XMLTV.GetPrograms(), out data_type);
195 CreatControlsFromType(data_type);
196 //XMLTV.CreateSorterFromDataSource(ref datasource, "title");
197 dataGrid.DataSource = datasource;
198 flow_datagrid_sort.Enabled = true;
199 }
200 catch (Exception ex) { gLog.Error.WriteLine(ex.ToString()); }
201 }
202
203
204 void CreatControlsFromType(Type data_type)
205 {
206 #if USE_DYNAMIC_SORTING_FILTERING_CONTROLS
207 _CreatControlsFromType(data_type);
208 #else
209 gLog.Warn.WriteLine("Dynamic creation of sorting and filtering controls has not been enabled.");
210 gLog.Warn.WriteLine("To enable: #define USE_DYNAMIC_SORTING_FILTERING_CONTROLS");
211 #endif
212 }
213 [Conditional("USE_DYNAMIC_SORTING_FILTERING_CONTROLS")]
214 void _CreatControlsFromType(Type data_type)
215 {
216 string strType = data_type.Name;
217 switch (strType)
218 {
219 case "IChannelDefintionList": CreateChannelDefinitionControls(data_type); break;
220 case "IProgramDefinitionList": CreateProgramDefinitionControls(data_type); break;
221 case "IXMLTVSource": CreateSourceDefinitionControls(data_type); break;
222 default: CreateDefaultControls(data_type); break;
223 }
224 }
225 [Conditional("USE_DYNAMIC_SORTING_FILTERING_CONTROLS")]
226 void CreateDefaultControls(Type data_type)
227 {
228 // no default controls
229 gLog.Warn.WriteLine("No controls have been defined for: {0}", data_type.Name);
230 }
231 [Conditional("USE_DYNAMIC_SORTING_FILTERING_CONTROLS")]
232 void CreateSourceDefinitionControls(Type data_type)
233 {
234 // no controls needed
235 gLog.Warn.WriteLine("No controls have been defined for: {0}", data_type.Name);
236 }
237 [Conditional("USE_DYNAMIC_SORTING_FILTERING_CONTROLS")]
238 void CreateChannelDefinitionControls(Type data_type)
239 {
240 gLog.Warn.WriteLine("No controls have been defined for: {0}", data_type.Name);
241 }
242 [Conditional("USE_DYNAMIC_SORTING_FILTERING_CONTROLS")]
243 void CreateProgramDefinitionControls(Type data_type)
244 {
245 gLog.Warn.WriteLine("No controls have been defined for: {0}", data_type.Name);
246 }
247 #endregion
248
249
250 #region Column Sorting Support
251 private bool Descending = false;
252 private void ToggleDescedning() { Descending = Descending ? false : true; }
253 private void btnResetSort_Click(object sender, EventArgs e)
254 {
255 Type data_type;
256 object datasource = XMLTV.CreateBindingSourceFromData(XMLTV.GetPrograms(), out data_type);
257 dataGrid.DataSource = datasource;
258 ToggleDescedning();
259 }
260
261 private void SortByColumn(Button button)
262 {
263 string column = (button.Tag as string);
264 object data = dataGrid.DataSource;
265 XMLTV.CreateSorterFromDataSource(ref data, Descending, column);
266 dataGrid.DataSource = data;
267 ToggleDescedning();
268 }
269
270 private void btnSortChannelName_Click(object sender, EventArgs e)
271 {
272 Button button = (sender as Button);
273 SortByColumn(button);
274 }
275 private void btnSortChannelNumber_Click(object sender, EventArgs e)
276 {
277 Button button = (sender as Button);
278 SortByColumn(button);
279 }
280 private void btnSortStart_Click(object sender, EventArgs e)
281 {
282 Button button = (sender as Button);
283 SortByColumn(button);
284 }
285 private void btnSortStop_Click(object sender, EventArgs e)
286 {
287 Button button = (sender as Button);
288 SortByColumn(button);
289 }
290 private void btnSortTitle_Click(object sender, EventArgs e)
291 {
292 Button button = (sender as Button);
293 SortByColumn(button);
294 }
295 private void btnSortSubTitle_Click(object sender, EventArgs e)
296 {
297 Button button = (sender as Button);
298 SortByColumn(button);
299 }
300 private void btnSortDescription_Click(object sender, EventArgs e)
301 {
302 Button button = (sender as Button);
303 SortByColumn(button);
304 }
305 #endregion
306 private void FilterByColumn(RadioButton button)
307 {
308 Type data_type;
309 string column = (button.Tag as string);
310 object data = XMLTV.CreateBindingSourceFromData(XMLTV.GetPrograms(), out data_type);
311 XMLTV.CreateFilterFromDataSource(ref data, column, txtFilterText.Text);
312 dataGrid.DataSource = data;
313 }
314 private void btnFilter_Click(object sender, EventArgs e)
315 {
316 RadioButton button = GetSelectedFilteringControl();
317 FilterByColumn(button);
318 }
319
320 private void dataGrid_SelectionChanged(object sender, EventArgs e)
321 {
322 try
323 {
324 DataGridView dgv = (DataGridView)sender;
325 //var row = dgv.SelectedRows[0]; // the row that was selected
326 //var cell = dgv.SelectedCells[0];
327 DataGridViewRow row = null;
328 string data = string.Empty;
329 if (dgv.SelectedCells.Count > 0) { var cell = dgv.SelectedCells[0]; row = dgv.Rows[cell.RowIndex]; }
330 if (dgv.SelectedRows.Count > 0) { row = dgv.SelectedRows[0]; }
331 RadioButton button = GetSelectedFilteringControl();
332 data = row.Cells[GetColumnIndexForRadioButton(button)].Value.ToString();
333 txtFilterText.Text = data;
334 }
335 catch (Exception ex)
336 {
337 gLog.Verbose.Error.WriteLine(ex.ToString());
338 }
339 }
340
341 private RadioButton GetSelectedFilteringControl()
342 {
343 bool control_selected = false;
344 RadioButton button = new RadioButton();
345 foreach(var c in grpFilter_flow.Controls)
346 {
347 button = (c as RadioButton);
348 if (button != null) { if (button.Checked) { control_selected = true; break; } }
349 else { continue; }
350 }
351 if (!control_selected)
352 {
353 gLog.Warn.WriteLine("Unkown filter value used. Was not: channelname, title, subtitle, or description.");
354 throw new InvalidOperationException("No filtering control is currently selected.");
355 }
356 else { return button; }
357 }
358 private int GetColumnIndexForRadioButton(RadioButton radio) { return GetColumnIndex(radio.Tag as string); }
359 private int GetColumnIndex(string columnname)
360 {
361 int index =0;
362 Type t = typeof(IProgramDefinition);
363
364 var props = t.GetProperties();
365 foreach (var prop in props)
366 {
367 if (prop.Name.ToLower() == columnname.ToLower()) { break; }
368 index++;
369 }
370 return index;
371 }
372
373 private void UpdateFilterText(RadioButton radio, DataGridView dgv)
374 {
375 if (radio.Checked)
376 {
377 int cellindex = GetColumnIndexForRadioButton(radio);
378 string t = radio.Tag as string;
379 DataGridViewRow row = null;
380 string data = string.Empty;
381 if (dgv.SelectedCells.Count > 0)
382 {
383 var cell = dgv.SelectedCells[0];
384 row = dgv.Rows[cell.RowIndex];
385 }
386 if (dgv.SelectedRows.Count > 0)
387 {
388 row = dgv.SelectedRows[0];
389 }
390 data = row.Cells[cellindex].Value.ToString();
391 txtFilterText.Text = data;
392 }
393 }
394 private void radio_filter_channelnumber_CheckedChanged(object sender, EventArgs e)
395 {
396 RadioButton radio = (sender as RadioButton);
397 UpdateFilterText(radio, dataGrid);
398 }
399 private void radio_filter_title_CheckedChanged(object sender, EventArgs e)
400 {
401 RadioButton radio = (sender as RadioButton);
402 UpdateFilterText(radio, dataGrid);
403 }
404
405 private void radio_filter_subtitle_CheckedChanged(object sender, EventArgs e)
406 {
407 RadioButton radio = (sender as RadioButton);
408 UpdateFilterText(radio, dataGrid);
409 }
410
411 private void radio_filter_description_CheckedChanged(object sender, EventArgs e)
412 {
413 RadioButton radio = (sender as RadioButton);
414 UpdateFilterText(radio, dataGrid);
415 }
416
417 private void radio_filter_channelname_CheckedChanged(object sender, EventArgs e)
418 {
419 RadioButton radio = (sender as RadioButton);
420 UpdateFilterText(radio, dataGrid);
421 }
422
423 private void radio_filter_start_CheckedChanged(object sender, EventArgs e)
424 {
425 RadioButton radio = (sender as RadioButton);
426 UpdateFilterText(radio, dataGrid);
427 }
428 private void radio_filter_stop_CheckedChanged(object sender, EventArgs e)
429 {
430 RadioButton radio = (sender as RadioButton);
431 UpdateFilterText(radio, dataGrid);
432 }
433 }
434 }
435

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