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Revision 1.11 - (show annotations) (download) (as text)
Sun Nov 23 15:45:11 2003 UTC (20 years, 4 months ago) by yoffy
Branch: MAIN
Changes since 1.10: +3 -25 lines
File MIME type: text/x-pascal
・URL から TThreadItem を検索するスピードを大幅に高速化。

1 unit Favorite;
2
3 interface
4
5 uses
6 Messages, SysUtils, Classes, Contnrs, ComCtrls, {HttpApp,} YofUtils,
7 GikoSystem{, XMLIntf, XMLDoc}, GikoXMLDoc, BoardGroup;
8 {SAX, SAXHelpers, SAXComps, SAXKW;}
9
10 type
11 TFavoriteFolder = class
12 end;
13
14 TFavoriteBoardItem = class
15 private
16 FItem : TBoard;
17 FURL : string;
18 FTitle : string;
19 function GetItem : TBoard;
20 public
21 constructor Create( inURL : string; inTitle : string = ''; inItem : TBoard = nil );
22 property Item : TBoard read GetItem write FItem;
23 property URL : string read FURL write FURL; // Item ?????転?長?鼎???足???? URL ???鱈???徹???????辿
24 property Title : string read FTitle write FTitle;
25 end;
26
27 TFavoriteThreadItem = class
28 private
29 FItem : TThreadItem;
30 FURL : string;
31 FTitle : string;
32 function GetItem : TThreadItem;
33 public
34 constructor Create( inURL : string; inTitle : string = ''; inItem : TThreadItem = nil );
35 property Item : TThreadItem read GetItem write FItem;
36 property URL : string read FURL write FURL; // Item ?????転?長?鼎???足???? URL ???鱈???徹???????辿
37 property Title : string read FTitle write FTitle;
38 end;
39
40 TFavoriteDM = class(TDataModule)
41 procedure DataModuleCreate(Sender: TObject);
42 procedure DataModuleDestroy(Sender: TObject);
43 private
44 { Private ?辿?転 }
45 FStack: TStack;
46 FTreeView: TTreeView;
47
48 procedure ReadNode(Node: IXMLNode);
49 procedure AddSaveString(Node: TTreeNode; SaveList: TStringList);
50 // procedure AddSaveString(Node: TTreeNode; XMLNode: IXMLNode);
51 // procedure SAXStartDocument(Sender: TObject);
52 // procedure SAXEndDocument(Sender: TObject);
53 // procedure SAXStartElement(Sender: TObject; const NamespaceURI, LocalName, QName: SAXString; const Atts: IAttributes);
54 // procedure SAXEndElement(Sender: TObject; const NamespaceURI, LocalName, QName: SAXString);
55 // procedure SAXCharacters(Sender: TObject; const PCh: SAXString);
56 public
57 { Public ?辿?転 }
58 function GetFavoriteFilePath() : String;
59 function SaveFavoriteFile(FileName: String) : Boolean;
60 procedure SetFavTreeView(TreeView: TTreeView);
61 procedure ReadFavorite;
62 procedure WriteFavorite;
63 property TreeView: TTreeView read FTreeView;
64 end;
65
66 var
67 FavoriteDM: TFavoriteDM;
68 const
69 FAVORITE_LINK_NAME = '?????N';
70
71 implementation
72
73 uses ExternalBoardManager, ExternalBoardPlugInMain;
74
75 const
76 FAVORITE_ROOT_NAME = '?即?C???端??';
77 FAVORITE_FILE_NAME = 'Favorite.xml';
78
79 {$R *.dfm}
80
81 constructor TFavoriteBoardItem.Create(
82 inURL : string;
83 inTitle : string = '';
84 inItem : TBoard = nil
85 );
86 begin
87
88 inherited Create;
89
90 URL := inURL;
91 Title := inTitle;
92 Item := inItem;
93
94 end;
95
96 function TFavoriteBoardItem.GetItem : TBoard;
97 begin
98
99 if FItem = nil then begin
100 FItem := BBSsFindBoardFromURL( URL );
101 // ???貼???即?C???端???????????鼎??????
102 if FItem = nil then
103 // ???????????A???????辿?J?e?S???????????長???直?足?徹?纏
104 FItem := TBoard.Create( nil, URL );
105 end;
106
107 Result := FItem;
108
109 end;
110
111 constructor TFavoriteThreadItem.Create(
112 inURL : string;
113 inTitle : string = '';
114 inItem : TThreadItem = nil
115 );
116 begin
117
118 inherited Create;
119
120 URL := inURL;
121 Title := inTitle;
122 Item := inItem;
123
124 end;
125
126 function TFavoriteThreadItem.GetItem : TThreadItem;
127 var
128 threadItem : TThreadItem;
129 board : TBoard;
130 boardURL : string;
131 i : Integer;
132 begin
133
134 if FItem = nil then begin
135 boardURL := GikoSys.GetThreadURL2BoardURL( URL );
136 board := BBSsFindBoardFromURL( boardURL );
137
138 if board = nil then
139 // ???????????A???????辿?J?e?S???????????長???直?足?徹?纏
140 board := TBoard.Create( nil, boardURL )
141 else
142 FItem := board.FindThreadFromURL( URL );
143
144 if FItem = nil then begin
145 FItem := TThreadItem.Create( board.BoardPlugIn, URL );
146
147 FItem.Title := Title;
148 board.Add( FItem );
149 end;
150 end;
151
152 Result := FItem;
153
154 end;
155
156 procedure TFavoriteDM.DataModuleCreate(Sender: TObject);
157 begin
158 //FTreeView := TreeView;
159 //FTreeView := GikoForm.FavoriteTreeView;
160 end;
161
162 procedure TFavoriteDM.DataModuleDestroy(Sender: TObject);
163 var
164 i: Integer;
165 begin
166 for i := 0 to TreeView.Items.Count - 1 do begin
167 TObject(TreeView.Items[i].Data).Free;
168 end;
169 end;
170
171 procedure TFavoriteDM.SetFavTreeView(TreeView: TTreeView);
172 begin
173 FTreeView := TreeView;
174 end;
175
176 procedure TFavoriteDM.ReadFavorite;
177 var
178 FileName: string;
179 XMLDoc: IXMLDocument;
180 XMLNode: IXMLNode;
181 Node: TTreeNode;
182 i: Integer;
183 FavFolder: TFavoriteFolder;
184 LinkExists: Boolean;
185 begin
186
187 FileName := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
188
189 FavFolder := TFavoriteFolder.Create;
190 Node := FTreeView.Items.AddChildObject(nil, FAVORITE_ROOT_NAME, FavFolder);
191 Node.ImageIndex := 14;
192 Node.SelectedIndex := 14;
193
194 if FileExists(FileName) then begin
195 try
196 XMLDoc := LoadXMLDocument(FileName);
197 XMLNode := XMLDoc.DocumentElement;
198
199 FStack := TStack.Create;
200 try
201 FStack.Push(Node);
202 LinkExists := False;
203 if XMLNode.NodeName = 'favorite' then begin
204 for i := 0 to XMLNode.ChildNodes.Count - 1 do begin
205 ReadNode(XMLNode.ChildNodes[i]);
206 if (XMLNode.ChildNodes[i].NodeName = 'folder') and
207 (XMLNode.ChildNodes[i].Attributes['title'] = FAVORITE_LINK_NAME) then begin
208 LinkExists := True;
209 end;
210 end;
211 end;
212 if not LinkExists then begin
213 FavFolder := TFavoriteFolder.Create;
214 Node := FTreeView.Items.AddChildObject(Node, FAVORITE_LINK_NAME, FavFolder);
215 Node.ImageIndex := 14;
216 Node.SelectedIndex := 14;
217 end;
218 finally
219 FStack.Free;
220 end;
221 except
222 end;
223 end;
224
225 {
226 FavFolder := TFavoriteFolder.Create;
227 Node := FTreeView.Items.AddChildObject(nil, FAVORITE_ROOT_NAME, FavFolder);
228 Node.ImageIndex := 12;
229 Node.SelectedIndex := 13;
230
231 FileName := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
232 if not FileExists(FileName) then
233 Exit;
234
235 FavSAXHandler.OnStartDocument := SAXStartDocument;
236 FavSAXHandler.OnEndDocument := SAXEndDocument;
237 FavSAXHandler.OnStartElement := SAXStartElement;
238 FavSAXHandler.OnStartElement := SAXStartElement;
239 FavSAXHandler.OnEndElement := SAXEndElement;
240 FavSAXHandler.OnCharacters := SAXCharacters;
241
242 FavSAXReader.Vendor := 'Keith Wood';
243 FavSAXReader.URL := FileName;
244 FavSAXReader.Parse;}
245 end;
246
247 procedure TFavoriteDM.ReadNode(Node: IXMLNode);
248 var
249 i: Integer;
250 j, jBound : Integer;
251
252 ParentNode: TTreeNode;
253 CurrentNode: TTreeNode;
254 FavFolder: TFavoriteFolder;
255 FavBoard: TFavoriteBoardItem;
256 FavThread: TFavoriteThreadItem;
257 board : TBoard;
258 threadItem : TThreadItem;
259 url : string;
260 begin
261 if Node.NodeName = 'folder' then begin
262 ParentNode := FStack.Peek;
263 if TObject(ParentNode.Data) is TFavoriteFolder then begin
264 FavFolder := TFavoriteFolder.Create;
265 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Node.Attributes['title'], FavFolder);
266 CurrentNode.ImageIndex := 14;
267 CurrentNode.SelectedIndex := 14;
268 CurrentNode.Expanded := Node.Attributes[ 'expanded' ] = 'true';
269 FStack.Push(CurrentNode);
270 end;
271 for i := 0 to Node.ChildNodes.Count - 1 do begin
272 ReadNode(Node.ChildNodes[i]);
273 end;
274 if FStack.Count <> 0 then
275 FStack.Pop;
276 end else if Node.NodeName = 'favitem' then begin
277 ParentNode := FStack.Peek;
278 if TObject(ParentNode.Data) is TFavoriteFolder then begin
279 if Node.Attributes['favtype'] = 'board' then begin
280 // ???貼???即?C???端???????????鼎??????
281 if Length( Node.Attributes[ 'bbs' ] ) > 0 then begin
282 board := BBSsFindBoardFromBBSID( Node.Attributes[ 'bbs' ] );
283 FavBoard := TFavoriteBoardItem.Create(
284 board.URL, Node.Attributes[ 'title' ], board );
285 end else begin
286 FavBoard := TFavoriteBoardItem.Create(
287 Node.Attributes[ 'url' ], Node.Attributes[ 'title' ], board );
288 end;
289 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Node.Attributes['title'], FavBoard);
290 CurrentNode.ImageIndex := 15;
291 CurrentNode.SelectedIndex := 15;
292 end else if Node.Attributes['favtype'] = 'thread' then begin
293 // ???貼???即?C???端???????????鼎??????
294 if Length( Node.Attributes[ 'bbs' ] ) > 0 then begin
295 board := BBSsFindBoardFromBBSID( Node.Attributes[ 'bbs' ] );
296 if board = nil then
297 Exit;
298
299 if not board.IsThreadDatRead then
300 GikoSys.ReadSubjectFile( board );
301 threadItem := board.Find( Node.Attributes[ 'thread' ] );
302 if threadItem = nil then begin
303 threadItem := TThreadItem.Create(
304 board.BoardPlugIn,
305 GikoSys.Get2chBoard2ThreadURL( board, ChangeFileExt( Node.Attributes[ 'thread' ], '' ) ) );
306 threadItem.Title := Node.Attributes[ 'title' ];
307 board.Add( threadItem );
308 end;
309 FavThread := TFavoriteThreadItem.Create(
310 threadItem.URL, Node.Attributes[ 'title' ], threadItem );
311 end else begin
312 FavThread := TFavoriteThreadItem.Create(
313 Node.Attributes[ 'url' ], Node.Attributes[ 'title' ], threadItem );
314 end;
315 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Node.Attributes['title'], FavThread);
316 CurrentNode.ImageIndex := 16;
317 CurrentNode.SelectedIndex := 16;
318 end;
319 end;
320 end;
321 end;
322
323 procedure TFavoriteDM.WriteFavorite;
324 {
325 var
326 FileName: string;
327 // SaveList: TStringList;
328 // i: Integer;
329 // Count: Integer;
330
331 XMLDoc: IXMLDocument;
332 XMLNode: IXMLNode;
333 // FavoNode: IXMLNode;
334 begin
335 XMLDoc := NewXMLDocument;
336 XMLDoc.Encoding := 'Shift_JIS';
337 XMLDoc.StandAlone := 'yes';
338 XMLNode := XMLDoc.AddChild('favorite');
339 FileName := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
340 AddSaveString(TreeView.Items.GetFirstNode, XMLNode);
341 XMLDoc.SaveToFile(FileName);
342 }
343 var
344 FileName: string;
345 SaveList: TStringList;
346 begin
347 FileName := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
348 SaveList := TStringList.Create;
349 try
350 SaveList.Add('<?xml version="1.0" encoding="Shift_JIS" standalone="yes"?>');
351 SaveList.Add('<favorite>');
352 AddSaveString(TreeView.Items.GetFirstNode, SaveList);
353 SaveList.Add('</favorite>');
354 SaveList.SaveToFile(FileName);
355 finally
356 SaveList.Free;
357 end;
358 end;
359
360 {
361 procedure TFavoriteDM.AddSaveString(Node: TTreeNode; XMLNode: IXMLNode);
362 var
363 i: Integer;
364 // s: string;
365 FavBoard: TFavoriteBoardItem;
366 FavThread: TFavoriteThreadItem;
367 FavNode: IXMLNode;
368 begin
369 for i := 0 to Node.Count - 1 do begin
370 if TObject(Node.Item[i].Data) is TFavoriteFolder then begin
371 FavNode := XMLNode.AddChild('folder');
372 FavNode.Attributes['title'] := Node.Item[i].Text;
373 AddSaveString(Node.Item[i], FavNode);
374 end else if TObject(Node.Item[i].Data) is TFavoriteBoardItem then begin
375 FavBoard := TFavoriteBoardItem(Node.Item[i].Data);
376 FavNode := XMLNode.AddChild('favitem');
377 FavNode.Attributes['type'] := '2ch';
378 FavNode.Attributes['favtype'] := 'board';
379 FavNode.Attributes['bbs'] := FavBoard.BBSID;
380 FavNode.Attributes['title'] := Node.Item[i].Text;
381 FavNode.Attributes['boardname'] := FavBoard.BoardName;
382 end else if TObject(Node.Item[i].Data) is TFavoriteThreadItem then begin
383 FavThread := TFavoriteThreadItem(Node.Item[i].Data);
384 FavNode := XMLNode.AddChild('favitem');
385 FavNode.Attributes['type'] := '2ch';
386 FavNode.Attributes['favtype'] := 'thread';
387 FavNode.Attributes['bbs'] := FavThread.BBSID;
388 FavNode.Attributes['thread'] := FavThread.ThreadID;
389 FavNode.Attributes['title'] := Node.Item[i].Text;
390 FavNode.Attributes['threadname'] := FavThread.ThreadName;
391 end;
392 end;
393 end;
394 }
395
396 procedure TFavoriteDM.AddSaveString(Node: TTreeNode; SaveList: TStringList);
397 var
398 i: Integer;
399 s: string;
400 FavBoard: TFavoriteBoardItem;
401 FavThread: TFavoriteThreadItem;
402 begin
403 for i := 0 to Node.Count - 1 do begin
404 if TObject(Node.Item[i].Data) is TFavoriteFolder then begin
405 if Node.Item[ i ].Expanded then
406 s := Format('<folder title="%s" expanded="true">', [HttpEncode(Node.Item[i].Text)])
407 else
408 s := Format('<folder title="%s" expanded="false">', [HttpEncode(Node.Item[i].Text)]);
409 SaveList.Add(s);
410 AddSaveString(Node.Item[i], SaveList);
411 SaveList.Add('</folder>');
412 end else if TObject(Node.Item[i].Data) is TFavoriteBoardItem then begin
413 FavBoard := TFavoriteBoardItem(Node.Item[i].Data);
414 s := Format('<favitem type="2ch" favtype="board" url="%s" title="%s"/>',
415 [HttpEncode( FavBoard.URL ), HttpEncode(FavBoard.Title)]);
416 SaveList.Add(s);
417 end else if TObject(Node.Item[i].Data) is TFavoriteThreadItem then begin
418 FavThread := TFavoriteThreadItem(Node.Item[i].Data);
419 s := Format('<favitem type="2ch" favtype="thread" url="%s" title="%s"/>',
420 [HttpEncode( FavThread.URL ), HttpEncode(FavThread.Title)]);
421 SaveList.Add(s);
422 end;
423 end;
424 end;
425
426 {
427 procedure TFavoriteDM.SAXStartDocument(Sender: TObject);
428 begin
429 FStack := TStack.Create;
430 FStack.Push(FTreeView.Items.GetFirstNode);
431 end;
432
433 procedure TFavoriteDM.SAXEndDocument(Sender: TObject);
434 begin
435 FStack.Free;
436 end;
437
438 procedure TFavoriteDM.SAXStartElement(Sender: TObject; const NamespaceURI, LocalName, QName: SAXString;
439 const Atts: IAttributes);
440 var
441 FavType: string;
442 ParentNode: TTreeNode;
443 CurrentNode: TTreeNode;
444 FavFolder: TFavoriteFolder;
445 FavBoard: TFavoriteBoardItem;
446 FavThread: TFavoriteThreadItem;
447 begin
448 if QName = 'folder' then begin
449 ParentNode := FStack.Peek;
450 if TObject(ParentNode.Data) is TFavoriteFolder then begin
451 FavFolder := TFavoriteFolder.Create;
452 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Atts.getValue('title'), FavFolder);
453 CurrentNode.ImageIndex := 12;
454 CurrentNode.SelectedIndex := 13;
455 FStack.Push(CurrentNode);
456 end;
457 end else if QName = 'favitem' then begin
458 ParentNode := FStack.Peek;
459 if TObject(ParentNode.Data) is TFavoriteFolder then begin
460 FavType := Atts.getValue('favtype');
461 if FavType = 'board' then begin
462 FavBoard := TFavoriteBoardItem.Create;
463 FavBoard.BBSID := Atts.getValue('bbs');
464 FavBoard.BoardName := Atts.getValue('boardname');
465 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Atts.getValue('title'), FavBoard);
466 CurrentNode.ImageIndex := 14;
467 CurrentNode.SelectedIndex := 15;
468 end else if FavType = 'thread' then begin
469 FavThread := TFavoriteThreadItem.Create;
470 FavThread.BBSID := Atts.getValue('bbs');
471 FavThread.ThreadID := Atts.getValue('thread');
472 FavThread.ThreadName := Atts.getValue('threadname');
473 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Atts.getValue('title'), FavThread);
474 CurrentNode.ImageIndex := 16;
475 CurrentNode.SelectedIndex := 17;
476 end;
477 end;
478 end;
479 end;
480
481 procedure TFavoriteDM.SAXEndElement(Sender: TObject; const NamespaceURI, LocalName, QName: SAXString);
482 begin
483 if QName = 'folder' then begin
484 if FStack.Count <> 0 then
485 FStack.Pop;
486 end;
487 end;
488
489 procedure TFavoriteDM.SAXCharacters(Sender: TObject; const PCh: SAXString);
490 begin
491 //
492 end;
493 }
494 function TFavoriteDM.SaveFavoriteFile(FileName: String) : Boolean;
495 var
496 FavoriteFilePath: string;
497 tempStringList: TStringList;
498 begin
499
500 FavoriteFilePath := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
501
502 if FileExists( FavoriteFilePath ) then begin
503 tempStringList := TStringList.Create;
504 try
505 tempStringList.LoadFromFile( FavoriteFilePath );
506 tempStringList.SaveToFile( FileName );
507 finally
508 tempStringList.Free;
509 end;
510 Result := true;
511 end else begin
512 Result := false;
513 end;
514 end;
515
516 function TFavoriteDM.GetFavoriteFilePath() : String;
517 begin
518 Result := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
519 end;
520
521 end.

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