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Revision 1.9 - (show annotations) (download) (as text)
Sun Nov 23 09:25:26 2003 UTC (20 years, 4 months ago) by yoffy
Branch: MAIN
Changes since 1.8: +94 -58 lines
File MIME type: text/x-pascal
・お気に入りの読み込みを高速化。

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 boardPlugIn : TBoardPlugIn;
130 board : TBoard;
131 boardURL : string;
132 i : Integer;
133 begin
134
135 if FItem = nil then begin
136 //===== ?v???O?C??
137 boardPlugIn := nil;
138 try
139 for i := Length( BoardPlugIns ) - 1 downto 0 do begin
140 if Assigned( Pointer( BoardPlugIns[ i ].Module ) ) then begin
141 if BoardPlugIns[ i ].AcceptURL( url ) = atThread then begin
142 boardPlugIn := BoardPlugIns[ i ];
143 threadItem := TThreadItem.Create(boardPlugIn, URL );
144 boardURL := BoardPlugIns[ i ].GetBoardURL( Longword( threadItem ) );
145 threadItem.Free;
146
147 Break;
148 end;
149 end;
150 end;
151 except
152 // exception ???足???直???????????????????C?邸???????長?????長???????直????
153 end;
154
155 if Length( boardURL ) = 0 then
156 boardURL := GikoSys.Get2chThreadURL2BoardURL( URL );
157
158 board := BBSsFindBoardFromURL( boardURL );
159
160 if board = nil then
161 // ???????????A???????辿?J?e?S???????????長???直?足?徹?纏
162 board := TBoard.Create( nil, boardURL )
163 else
164 FItem := board.FindThreadFromURL( URL );
165
166 if FItem = nil then
167 FItem := TThreadItem.Create( boardPlugIn, URL );
168
169 FItem.Title := Title;
170 board.Add( FItem );
171 end;
172
173 Result := FItem;
174
175 end;
176
177 procedure TFavoriteDM.DataModuleCreate(Sender: TObject);
178 begin
179 //FTreeView := TreeView;
180 //FTreeView := GikoForm.FavoriteTreeView;
181 end;
182
183 procedure TFavoriteDM.DataModuleDestroy(Sender: TObject);
184 var
185 i: Integer;
186 begin
187 for i := 0 to TreeView.Items.Count - 1 do begin
188 TObject(TreeView.Items[i].Data).Free;
189 end;
190 end;
191
192 procedure TFavoriteDM.SetFavTreeView(TreeView: TTreeView);
193 begin
194 FTreeView := TreeView;
195 end;
196
197 procedure TFavoriteDM.ReadFavorite;
198 var
199 FileName: string;
200 XMLDoc: IXMLDocument;
201 XMLNode: IXMLNode;
202 Node: TTreeNode;
203 i: Integer;
204 FavFolder: TFavoriteFolder;
205 LinkExists: Boolean;
206 begin
207
208 FileName := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
209
210 FavFolder := TFavoriteFolder.Create;
211 Node := FTreeView.Items.AddChildObject(nil, FAVORITE_ROOT_NAME, FavFolder);
212 Node.ImageIndex := 14;
213 Node.SelectedIndex := 14;
214
215 if FileExists(FileName) then begin
216 try
217 XMLDoc := LoadXMLDocument(FileName);
218 XMLNode := XMLDoc.DocumentElement;
219
220 FStack := TStack.Create;
221 try
222 FStack.Push(Node);
223 LinkExists := False;
224 if XMLNode.NodeName = 'favorite' then begin
225 for i := 0 to XMLNode.ChildNodes.Count - 1 do begin
226 ReadNode(XMLNode.ChildNodes[i]);
227 if (XMLNode.ChildNodes[i].NodeName = 'folder') and
228 (XMLNode.ChildNodes[i].Attributes['title'] = FAVORITE_LINK_NAME) then begin
229 LinkExists := True;
230 end;
231 end;
232 end;
233 if not LinkExists then begin
234 FavFolder := TFavoriteFolder.Create;
235 Node := FTreeView.Items.AddChildObject(Node, FAVORITE_LINK_NAME, FavFolder);
236 Node.ImageIndex := 14;
237 Node.SelectedIndex := 14;
238 end;
239 finally
240 FStack.Free;
241 end;
242 except
243 end;
244 end;
245
246 {
247 FavFolder := TFavoriteFolder.Create;
248 Node := FTreeView.Items.AddChildObject(nil, FAVORITE_ROOT_NAME, FavFolder);
249 Node.ImageIndex := 12;
250 Node.SelectedIndex := 13;
251
252 FileName := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
253 if not FileExists(FileName) then
254 Exit;
255
256 FavSAXHandler.OnStartDocument := SAXStartDocument;
257 FavSAXHandler.OnEndDocument := SAXEndDocument;
258 FavSAXHandler.OnStartElement := SAXStartElement;
259 FavSAXHandler.OnStartElement := SAXStartElement;
260 FavSAXHandler.OnEndElement := SAXEndElement;
261 FavSAXHandler.OnCharacters := SAXCharacters;
262
263 FavSAXReader.Vendor := 'Keith Wood';
264 FavSAXReader.URL := FileName;
265 FavSAXReader.Parse;}
266 end;
267
268 procedure TFavoriteDM.ReadNode(Node: IXMLNode);
269 var
270 i: Integer;
271 j, jBound : Integer;
272
273 ParentNode: TTreeNode;
274 CurrentNode: TTreeNode;
275 FavFolder: TFavoriteFolder;
276 FavBoard: TFavoriteBoardItem;
277 FavThread: TFavoriteThreadItem;
278 board : TBoard;
279 threadItem : TThreadItem;
280 url : string;
281 begin
282 if Node.NodeName = 'folder' then begin
283 ParentNode := FStack.Peek;
284 if TObject(ParentNode.Data) is TFavoriteFolder then begin
285 FavFolder := TFavoriteFolder.Create;
286 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Node.Attributes['title'], FavFolder);
287 CurrentNode.ImageIndex := 14;
288 CurrentNode.SelectedIndex := 14;
289 CurrentNode.Expanded := Node.Attributes[ 'expanded' ] = 'true';
290 FStack.Push(CurrentNode);
291 end;
292 for i := 0 to Node.ChildNodes.Count - 1 do begin
293 ReadNode(Node.ChildNodes[i]);
294 end;
295 if FStack.Count <> 0 then
296 FStack.Pop;
297 end else if Node.NodeName = 'favitem' then begin
298 ParentNode := FStack.Peek;
299 if TObject(ParentNode.Data) is TFavoriteFolder then begin
300 if Node.Attributes['favtype'] = 'board' then begin
301 // ???貼???即?C???端???????????鼎??????
302 if Length( Node.Attributes[ 'bbs' ] ) > 0 then begin
303 board := BBSsFindBoardFromBBSID( Node.Attributes[ 'bbs' ] );
304 FavBoard := TFavoriteBoardItem.Create(
305 board.URL, Node.Attributes[ 'title' ], board );
306 end else begin
307 FavBoard := TFavoriteBoardItem.Create(
308 Node.Attributes[ 'url' ], Node.Attributes[ 'title' ], board );
309 end;
310 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Node.Attributes['title'], FavBoard);
311 CurrentNode.ImageIndex := 15;
312 CurrentNode.SelectedIndex := 15;
313 end else if Node.Attributes['favtype'] = 'thread' then begin
314 // ???貼???即?C???端???????????鼎??????
315 if Length( Node.Attributes[ 'bbs' ] ) > 0 then begin
316 board := BBSsFindBoardFromBBSID( Node.Attributes[ 'bbs' ] );
317 if board = nil then
318 Exit;
319
320 if not board.IsThreadDatRead then
321 GikoSys.ReadSubjectFile( board );
322 threadItem := board.Find( Node.Attributes[ 'thread' ] );
323 if threadItem = nil then begin
324 threadItem := TThreadItem.Create(
325 board.BoardPlugIn,
326 GikoSys.Get2chBoard2ThreadURL( board, ChangeFileExt( Node.Attributes[ 'thread' ], '' ) ) );
327 threadItem.Title := Node.Attributes[ 'title' ];
328 board.Add( threadItem );
329 end;
330 FavThread := TFavoriteThreadItem.Create(
331 threadItem.URL, Node.Attributes[ 'title' ], threadItem );
332 end else begin
333 FavThread := TFavoriteThreadItem.Create(
334 Node.Attributes[ 'url' ], Node.Attributes[ 'title' ], threadItem );
335 end;
336 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Node.Attributes['title'], FavThread);
337 CurrentNode.ImageIndex := 16;
338 CurrentNode.SelectedIndex := 16;
339 end;
340 end;
341 end;
342 end;
343
344 procedure TFavoriteDM.WriteFavorite;
345 {
346 var
347 FileName: string;
348 // SaveList: TStringList;
349 // i: Integer;
350 // Count: Integer;
351
352 XMLDoc: IXMLDocument;
353 XMLNode: IXMLNode;
354 // FavoNode: IXMLNode;
355 begin
356 XMLDoc := NewXMLDocument;
357 XMLDoc.Encoding := 'Shift_JIS';
358 XMLDoc.StandAlone := 'yes';
359 XMLNode := XMLDoc.AddChild('favorite');
360 FileName := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
361 AddSaveString(TreeView.Items.GetFirstNode, XMLNode);
362 XMLDoc.SaveToFile(FileName);
363 }
364 var
365 FileName: string;
366 SaveList: TStringList;
367 begin
368 FileName := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
369 SaveList := TStringList.Create;
370 try
371 SaveList.Add('<?xml version="1.0" encoding="Shift_JIS" standalone="yes"?>');
372 SaveList.Add('<favorite>');
373 AddSaveString(TreeView.Items.GetFirstNode, SaveList);
374 SaveList.Add('</favorite>');
375 SaveList.SaveToFile(FileName);
376 finally
377 SaveList.Free;
378 end;
379 end;
380
381 {
382 procedure TFavoriteDM.AddSaveString(Node: TTreeNode; XMLNode: IXMLNode);
383 var
384 i: Integer;
385 // s: string;
386 FavBoard: TFavoriteBoardItem;
387 FavThread: TFavoriteThreadItem;
388 FavNode: IXMLNode;
389 begin
390 for i := 0 to Node.Count - 1 do begin
391 if TObject(Node.Item[i].Data) is TFavoriteFolder then begin
392 FavNode := XMLNode.AddChild('folder');
393 FavNode.Attributes['title'] := Node.Item[i].Text;
394 AddSaveString(Node.Item[i], FavNode);
395 end else if TObject(Node.Item[i].Data) is TFavoriteBoardItem then begin
396 FavBoard := TFavoriteBoardItem(Node.Item[i].Data);
397 FavNode := XMLNode.AddChild('favitem');
398 FavNode.Attributes['type'] := '2ch';
399 FavNode.Attributes['favtype'] := 'board';
400 FavNode.Attributes['bbs'] := FavBoard.BBSID;
401 FavNode.Attributes['title'] := Node.Item[i].Text;
402 FavNode.Attributes['boardname'] := FavBoard.BoardName;
403 end else if TObject(Node.Item[i].Data) is TFavoriteThreadItem then begin
404 FavThread := TFavoriteThreadItem(Node.Item[i].Data);
405 FavNode := XMLNode.AddChild('favitem');
406 FavNode.Attributes['type'] := '2ch';
407 FavNode.Attributes['favtype'] := 'thread';
408 FavNode.Attributes['bbs'] := FavThread.BBSID;
409 FavNode.Attributes['thread'] := FavThread.ThreadID;
410 FavNode.Attributes['title'] := Node.Item[i].Text;
411 FavNode.Attributes['threadname'] := FavThread.ThreadName;
412 end;
413 end;
414 end;
415 }
416
417 procedure TFavoriteDM.AddSaveString(Node: TTreeNode; SaveList: TStringList);
418 var
419 i: Integer;
420 s: string;
421 FavBoard: TFavoriteBoardItem;
422 FavThread: TFavoriteThreadItem;
423 begin
424 for i := 0 to Node.Count - 1 do begin
425 if TObject(Node.Item[i].Data) is TFavoriteFolder then begin
426 if Node.Item[ i ].Expanded then
427 s := Format('<folder title="%s" expanded="true">', [HttpEncode(Node.Item[i].Text)])
428 else
429 s := Format('<folder title="%s" expanded="false">', [HttpEncode(Node.Item[i].Text)]);
430 SaveList.Add(s);
431 AddSaveString(Node.Item[i], SaveList);
432 SaveList.Add('</folder>');
433 end else if TObject(Node.Item[i].Data) is TFavoriteBoardItem then begin
434 FavBoard := TFavoriteBoardItem(Node.Item[i].Data);
435 s := Format('<favitem type="2ch" favtype="board" url="%s" title="%s"/>',
436 [HttpEncode( FavBoard.URL ), HttpEncode(FavBoard.Title)]);
437 SaveList.Add(s);
438 end else if TObject(Node.Item[i].Data) is TFavoriteThreadItem then begin
439 FavThread := TFavoriteThreadItem(Node.Item[i].Data);
440 s := Format('<favitem type="2ch" favtype="thread" url="%s" title="%s"/>',
441 [HttpEncode( FavThread.URL ), HttpEncode(FavThread.Title)]);
442 SaveList.Add(s);
443 end;
444 end;
445 end;
446
447 {
448 procedure TFavoriteDM.SAXStartDocument(Sender: TObject);
449 begin
450 FStack := TStack.Create;
451 FStack.Push(FTreeView.Items.GetFirstNode);
452 end;
453
454 procedure TFavoriteDM.SAXEndDocument(Sender: TObject);
455 begin
456 FStack.Free;
457 end;
458
459 procedure TFavoriteDM.SAXStartElement(Sender: TObject; const NamespaceURI, LocalName, QName: SAXString;
460 const Atts: IAttributes);
461 var
462 FavType: string;
463 ParentNode: TTreeNode;
464 CurrentNode: TTreeNode;
465 FavFolder: TFavoriteFolder;
466 FavBoard: TFavoriteBoardItem;
467 FavThread: TFavoriteThreadItem;
468 begin
469 if QName = 'folder' then begin
470 ParentNode := FStack.Peek;
471 if TObject(ParentNode.Data) is TFavoriteFolder then begin
472 FavFolder := TFavoriteFolder.Create;
473 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Atts.getValue('title'), FavFolder);
474 CurrentNode.ImageIndex := 12;
475 CurrentNode.SelectedIndex := 13;
476 FStack.Push(CurrentNode);
477 end;
478 end else if QName = 'favitem' then begin
479 ParentNode := FStack.Peek;
480 if TObject(ParentNode.Data) is TFavoriteFolder then begin
481 FavType := Atts.getValue('favtype');
482 if FavType = 'board' then begin
483 FavBoard := TFavoriteBoardItem.Create;
484 FavBoard.BBSID := Atts.getValue('bbs');
485 FavBoard.BoardName := Atts.getValue('boardname');
486 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Atts.getValue('title'), FavBoard);
487 CurrentNode.ImageIndex := 14;
488 CurrentNode.SelectedIndex := 15;
489 end else if FavType = 'thread' then begin
490 FavThread := TFavoriteThreadItem.Create;
491 FavThread.BBSID := Atts.getValue('bbs');
492 FavThread.ThreadID := Atts.getValue('thread');
493 FavThread.ThreadName := Atts.getValue('threadname');
494 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Atts.getValue('title'), FavThread);
495 CurrentNode.ImageIndex := 16;
496 CurrentNode.SelectedIndex := 17;
497 end;
498 end;
499 end;
500 end;
501
502 procedure TFavoriteDM.SAXEndElement(Sender: TObject; const NamespaceURI, LocalName, QName: SAXString);
503 begin
504 if QName = 'folder' then begin
505 if FStack.Count <> 0 then
506 FStack.Pop;
507 end;
508 end;
509
510 procedure TFavoriteDM.SAXCharacters(Sender: TObject; const PCh: SAXString);
511 begin
512 //
513 end;
514 }
515 function TFavoriteDM.SaveFavoriteFile(FileName: String) : Boolean;
516 var
517 FavoriteFilePath: string;
518 tempStringList: TStringList;
519 begin
520
521 FavoriteFilePath := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
522
523 if FileExists( FavoriteFilePath ) then begin
524 tempStringList := TStringList.Create;
525 try
526 tempStringList.LoadFromFile( FavoriteFilePath );
527 tempStringList.SaveToFile( FileName );
528 finally
529 tempStringList.Free;
530 end;
531 Result := true;
532 end else begin
533 Result := false;
534 end;
535 end;
536
537 function TFavoriteDM.GetFavoriteFilePath() : String;
538 begin
539 Result := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
540 end;
541
542 end.

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