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

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Revision 149 - (show annotations) (download)
Thu Mar 14 15:36:22 2013 UTC (6 years, 8 months ago) by william
File size: 20382 byte(s)

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 CreateControls
183 void AutoResizeDataGridView()
184 {
185 //dataGrid.AutoResizeRow(2, DataGridViewAutoSizeRowMode.AllCellsExceptHeader);
186
187 for (int i = 0; i < dataGrid.ColumnCount; i++)
188 {
189 dataGrid.Columns[i].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
190 }
191 //for (int i = 0; i < dataGrid.RowCount; i++)
192 //{
193 // dataGrid.AutoResizeRow(i, DataGridViewAutoSizeRowMode.AllCellsExceptHeader);
194 //}
195 }
196 void CreateControls()
197 {
198 try
199 {
200 if (this.InvokeRequired)
201 {
202 try { this.Invoke((Action)(delegate { CreateControls(); })); }
203 catch { }
204 return;
205 }
206 Type data_type;
207 object datasource = XMLTV.CreateBindingSourceFromData(XMLTV.GetPrograms(), out data_type);
208 CreatControlsFromType(data_type);
209 dataGrid.DataSource = datasource;
210 AutoResizeDataGridView();
211 flow_datagrid_sort.Enabled = true;
212 btnSort.PerformClick();
213 }
214 catch (Exception ex) { gLog.Error.WriteLine(ex.ToString()); }
215 }
216
217
218 void CreatControlsFromType(Type data_type)
219 {
220 #if USE_DYNAMIC_SORTING_FILTERING_CONTROLS
221 _CreatControlsFromType(data_type);
222 #else
223 gLog.Verbose.Warn.WriteLine("Dynamic creation of sorting and filtering controls has not been enabled.");
224 gLog.Verbose.Warn.WriteLine("To enable: #define USE_DYNAMIC_SORTING_FILTERING_CONTROLS");
225 #endif
226 }
227 [Conditional("USE_DYNAMIC_SORTING_FILTERING_CONTROLS")]
228 void _CreatControlsFromType(Type data_type)
229 {
230 string strType = data_type.Name;
231 switch (strType)
232 {
233 case "IChannelDefintionList": CreateChannelDefinitionControls(data_type); break;
234 case "IProgramDefinitionList": CreateProgramDefinitionControls(data_type); break;
235 case "IXMLTVSource": CreateSourceDefinitionControls(data_type); break;
236 default: CreateDefaultControls(data_type); break;
237 }
238 }
239 [Conditional("USE_DYNAMIC_SORTING_FILTERING_CONTROLS")]
240 void CreateDefaultControls(Type data_type)
241 {
242 // no default controls
243 gLog.Verbose.Warn.WriteLine("No controls have been defined for: {0}", data_type.Name);
244 }
245 [Conditional("USE_DYNAMIC_SORTING_FILTERING_CONTROLS")]
246 void CreateSourceDefinitionControls(Type data_type)
247 {
248 // no controls needed
249 gLog.Verbose.Warn.WriteLine("No controls have been defined for: {0}", data_type.Name);
250 }
251 [Conditional("USE_DYNAMIC_SORTING_FILTERING_CONTROLS")]
252 void CreateChannelDefinitionControls(Type data_type)
253 {
254 gLog.Verbose.Warn.WriteLine("No controls have been defined for: {0}", data_type.Name);
255 }
256 [Conditional("USE_DYNAMIC_SORTING_FILTERING_CONTROLS")]
257 void CreateProgramDefinitionControls(Type data_type)
258 {
259 gLog.Verbose.Warn.WriteLine("No controls have been defined for: {0}", data_type.Name);
260 }
261 #endregion
262
263 #region Program Entry Display
264 private int CurrentRowIndex = -1;
265 void DisplaySelectedProgramEntry(DataGridViewRow row)
266 {
267 int RowIndex = row.Index; // this is the index in the list
268
269 //if (CurrentRowIndex == -1) { AlreadyDisplayedProgramEntryForIndex = false; CurrentRowIndex = RowIndex; }
270 //if (CurrentRowIndex == RowIndex && AlreadyDisplayedProgramEntryForIndex) {
271 bool DoDisplay = false;
272 if (CurrentRowIndex == -1)
273 {
274 DoDisplay = true;
275 }
276 if (CurrentRowIndex == RowIndex)
277 {
278 DoDisplay = false;
279 }
280 else
281 {
282 DoDisplay = true;
283 }
284
285 if (DoDisplay)
286 {
287 CurrentRowIndex = RowIndex;
288 List<IProgramDefinition> list = (dataGrid.DataSource as List<IProgramDefinition>);
289 if (list == null)
290 {
291 gLog.Warn.WriteLine("Unable to display program entry for rowindex: {0}", RowIndex);
292
293 return;
294 }
295 try
296 {
297 IProgramDefinition program = list[RowIndex];
298 ProgramEntryControl c = new ProgramEntryControl(program);
299 c.Dock = DockStyle.Fill;
300 split_bottom.Panel2.Controls.Clear();
301 split_bottom.Panel2.Controls.Add(c);
302 }
303 catch (Exception ex)
304 {
305 gLog.Error.WriteLine(ex.ToString());
306 }
307 }
308 }
309 #endregion
310 #region Datasource support / events
311 private void dataGrid_SelectionChanged(object sender, EventArgs e)
312 {
313 try
314 {
315 DataGridView dgv = (DataGridView)sender;
316 //var row = dgv.SelectedRows[0]; // the row that was selected
317 //var cell = dgv.SelectedCells[0];
318 DataGridViewRow row = null;
319 string data = string.Empty;
320 if (dgv.SelectedCells.Count > 0)
321 {
322 var cell = dgv.SelectedCells[0];
323 row = dgv.Rows[cell.RowIndex];
324 }
325 if (dgv.SelectedRows.Count > 0)
326 {
327 row = dgv.SelectedRows[0];
328 }
329
330 if (row != null)
331 {
332 RadioButton button = GetSelectedFilteringControl();
333 int index = GetColumnIndexForRadioButton(button);
334 data = row.Cells[index].Value.ToString();
335 txtFilterText.Text = data;
336 DisplaySelectedProgramEntry(row);
337 }
338 }
339 catch (Exception ex)
340 {
341 gLog.Verbose.Error.WriteLine(ex.ToString());
342 }
343 }
344 private int GetColumnIndexForRadioButton(RadioButton radio) { return GetColumnIndex(radio.Tag as string); }
345 private int GetColumnIndex(string columnname)
346 {
347 int index =0;
348 Type t = typeof(IProgramDefinition);
349
350 var props = t.GetProperties();
351 foreach (var prop in props)
352 {
353 if (prop.Name.ToLower() == columnname.ToLower()) { break; }
354 index++;
355 }
356 return index;
357 }
358 #endregion
359 #region Reset event
360 private void btnResetSort_Click(object sender, EventArgs e)
361 {
362 Type data_type;
363 object datasource = XMLTV.CreateBindingSourceFromData(XMLTV.GetPrograms(), out data_type);
364 dataGrid.DataSource = datasource;
365 ToggleDescedning();
366 }
367 #endregion
368 #region Filtering events
369 private void FilterByColumn(RadioButton button)
370 {
371 Type data_type;
372 string column = (button.Tag as string);
373 object data = XMLTV.CreateBindingSourceFromData(XMLTV.GetPrograms(), out data_type);
374 XMLTV.CreateFilterFromDataSource(ref data, column, txtFilterText.Text);
375 dataGrid.DataSource = data;
376 }
377 private RadioButton GetSelectedFilteringControl()
378 {
379 bool control_selected = false;
380 RadioButton button = new RadioButton();
381 foreach (var c in grpFilter_flow.Controls)
382 {
383 button = (c as RadioButton);
384 if (button != null) { if (button.Checked) { control_selected = true; break; } }
385 else { continue; }
386 }
387 if (!control_selected)
388 {
389 gLog.Verbose.Warn.WriteLine("Unkown filter value used. Was not: channelname, title, subtitle, description, start, or stop.");
390 //throw new InvalidOperationException("No filtering control is currently selected.");
391 return button;
392 }
393 else { return button; }
394 }
395 private void UpdateFilterText(RadioButton radio, DataGridView dgv)
396 {
397 if (radio.Checked)
398 {
399 int cellindex = GetColumnIndexForRadioButton(radio);
400 string t = radio.Tag as string;
401 DataGridViewRow row = null;
402 string data = string.Empty;
403 if (dgv.SelectedCells.Count > 0)
404 {
405 var cell = dgv.SelectedCells[0];
406 row = dgv.Rows[cell.RowIndex];
407 }
408 if (dgv.SelectedRows.Count > 0)
409 {
410 row = dgv.SelectedRows[0];
411 }
412 data = row.Cells[cellindex].Value.ToString();
413 txtFilterText.Text = data;
414 }
415 }
416 private void btnFilter_Click(object sender, EventArgs e)
417 {
418 RadioButton button = GetSelectedFilteringControl();
419 FilterByColumn(button);
420 }
421 private void radio_filter_channelnumber_CheckedChanged(object sender, EventArgs e)
422 {
423 RadioButton radio = (sender as RadioButton);
424 UpdateFilterText(radio, dataGrid);
425 }
426 private void radio_filter_title_CheckedChanged(object sender, EventArgs e)
427 {
428 RadioButton radio = (sender as RadioButton);
429 UpdateFilterText(radio, dataGrid);
430 }
431 private void radio_filter_subtitle_CheckedChanged(object sender, EventArgs e)
432 {
433 RadioButton radio = (sender as RadioButton);
434 UpdateFilterText(radio, dataGrid);
435 }
436 private void radio_filter_description_CheckedChanged(object sender, EventArgs e)
437 {
438 RadioButton radio = (sender as RadioButton);
439 UpdateFilterText(radio, dataGrid);
440 }
441 private void radio_filter_channelname_CheckedChanged(object sender, EventArgs e)
442 {
443 RadioButton radio = (sender as RadioButton);
444 UpdateFilterText(radio, dataGrid);
445 }
446 private void radio_filter_start_CheckedChanged(object sender, EventArgs e)
447 {
448 RadioButton radio = (sender as RadioButton);
449 UpdateFilterText(radio, dataGrid);
450 }
451 private void radio_filter_stop_CheckedChanged(object sender, EventArgs e)
452 {
453 RadioButton radio = (sender as RadioButton);
454 UpdateFilterText(radio, dataGrid);
455 }
456 #endregion
457 #region Sorting events
458 private bool Descending = false;
459 private void ToggleDescedning() { Descending = Descending ? false : true; }
460 private void SortByColumn(RadioButton button)
461 {
462 string column = (button.Tag as string);
463 object data = dataGrid.DataSource;
464 XMLTV.CreateSorterFromDataSource(ref data, Descending, column);
465 dataGrid.DataSource = data;
466 ToggleDescedning();
467 }
468 private RadioButton GetSelectedSortControl()
469 {
470 bool control_selected = false;
471 RadioButton button = new RadioButton();
472 foreach (var c in grpSort_flow.Controls)
473 {
474 button = (c as RadioButton);
475 if (button != null) { if (button.Checked) { control_selected = true; break; } }
476 else { continue; }
477 }
478 if (!control_selected)
479 {
480 gLog.Warn.WriteLine("Unkown sort value used. Was not: channelname, title, subtitle, description, stop, or start.");
481 //throw new InvalidOperationException("No sorting control is currently selected.");
482 return button;
483 }
484 else { return button; }
485 }
486 private void btnSort_Click(object sender, EventArgs e)
487 {
488 RadioButton button = GetSelectedSortControl();
489 SortByColumn(button);
490 }
491 #endregion
492 }
493 }
494

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