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Revision 1.9 - (hide 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 hi_ 1.1 unit Favorite;
2    
3     interface
4    
5     uses
6 yoffy 1.2 Messages, SysUtils, Classes, Contnrs, ComCtrls, {HttpApp,} YofUtils,
7 yoffy 1.5 GikoSystem{, XMLIntf, XMLDoc}, GikoXMLDoc, BoardGroup;
8 hi_ 1.1 {SAX, SAXHelpers, SAXComps, SAXKW;}
9    
10     type
11     TFavoriteFolder = class
12     end;
13    
14     TFavoriteBoardItem = class
15     private
16 yoffy 1.5 FItem : TBoard;
17 yoffy 1.7 FURL : string;
18 yoffy 1.5 FTitle : string;
19 yoffy 1.9 function GetItem : TBoard;
20 hi_ 1.1 public
21 yoffy 1.7 constructor Create( inURL : string; inTitle : string = ''; inItem : TBoard = nil );
22 yoffy 1.9 property Item : TBoard read GetItem write FItem;
23 yoffy 1.7 property URL : string read FURL write FURL; // Item ?????転?長?鼎???足???? URL ???鱈???徹???????辿
24 yoffy 1.5 property Title : string read FTitle write FTitle;
25 hi_ 1.1 end;
26    
27     TFavoriteThreadItem = class
28     private
29 yoffy 1.5 FItem : TThreadItem;
30 yoffy 1.7 FURL : string;
31 yoffy 1.5 FTitle : string;
32 yoffy 1.9 function GetItem : TThreadItem;
33 hi_ 1.1 public
34 yoffy 1.7 constructor Create( inURL : string; inTitle : string = ''; inItem : TThreadItem = nil );
35 yoffy 1.9 property Item : TThreadItem read GetItem write FItem;
36 yoffy 1.7 property URL : string read FURL write FURL; // Item ?????転?長?鼎???足???? URL ???鱈???徹???????辿
37 yoffy 1.5 property Title : string read FTitle write FTitle;
38 hi_ 1.1 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 yoffy 1.2 procedure AddSaveString(Node: TTreeNode; SaveList: TStringList);
50     // procedure AddSaveString(Node: TTreeNode; XMLNode: IXMLNode);
51 hi_ 1.1 // 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 yoffy 1.7 function GetFavoriteFilePath() : String;
59     function SaveFavoriteFile(FileName: String) : Boolean;
60 hi_ 1.1 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 yoffy 1.5 uses ExternalBoardManager, ExternalBoardPlugInMain;
74    
75 hi_ 1.1 const
76     FAVORITE_ROOT_NAME = '?即?C???端??';
77     FAVORITE_FILE_NAME = 'Favorite.xml';
78    
79     {$R *.dfm}
80    
81 yoffy 1.7 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 yoffy 1.9 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 yoffy 1.7 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 yoffy 1.9 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 hi_ 1.1 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 yoffy 1.2
208 hi_ 1.1 FileName := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
209    
210     FavFolder := TFavoriteFolder.Create;
211     Node := FTreeView.Items.AddChildObject(nil, FAVORITE_ROOT_NAME, FavFolder);
212 yoffy 1.2 Node.ImageIndex := 14;
213     Node.SelectedIndex := 14;
214 hi_ 1.1
215     if FileExists(FileName) then begin
216 yoffy 1.2 try
217     XMLDoc := LoadXMLDocument(FileName);
218     XMLNode := XMLDoc.DocumentElement;
219 hi_ 1.1
220 yoffy 1.2 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 hi_ 1.1 end;
232     end;
233 yoffy 1.2 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 hi_ 1.1 end;
242 yoffy 1.2 except
243 hi_ 1.1 end;
244     end;
245    
246 yoffy 1.2 {
247     FavFolder := TFavoriteFolder.Create;
248 hi_ 1.1 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 yoffy 1.7 j, jBound : Integer;
272 hi_ 1.1
273     ParentNode: TTreeNode;
274     CurrentNode: TTreeNode;
275     FavFolder: TFavoriteFolder;
276     FavBoard: TFavoriteBoardItem;
277     FavThread: TFavoriteThreadItem;
278 yoffy 1.7 board : TBoard;
279     threadItem : TThreadItem;
280     url : string;
281 hi_ 1.1 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 yoffy 1.2 CurrentNode.ImageIndex := 14;
288     CurrentNode.SelectedIndex := 14;
289 yoffy 1.7 CurrentNode.Expanded := Node.Attributes[ 'expanded' ] = 'true';
290 hi_ 1.1 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 yoffy 1.7 // ???貼???即?C???端???????????鼎??????
302 yoffy 1.9 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 yoffy 1.7 end;
310 hi_ 1.1 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Node.Attributes['title'], FavBoard);
311 yoffy 1.2 CurrentNode.ImageIndex := 15;
312 hi_ 1.1 CurrentNode.SelectedIndex := 15;
313     end else if Node.Attributes['favtype'] = 'thread' then begin
314 yoffy 1.7 // ???貼???即?C???端???????????鼎??????
315 yoffy 1.9 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 yoffy 1.8 threadItem.Title := Node.Attributes[ 'title' ];
328 yoffy 1.7 board.Add( threadItem );
329     end;
330 yoffy 1.9 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 yoffy 1.7 end;
336 hi_ 1.1 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Node.Attributes['title'], FavThread);
337     CurrentNode.ImageIndex := 16;
338 yoffy 1.2 CurrentNode.SelectedIndex := 16;
339 hi_ 1.1 end;
340     end;
341     end;
342     end;
343    
344     procedure TFavoriteDM.WriteFavorite;
345 yoffy 1.2 {
346 hi_ 1.1 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 yoffy 1.7 XMLDoc := NewXMLDocument;
357 hi_ 1.1 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 yoffy 1.2 }
364     var
365 hi_ 1.1 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 yoffy 1.2 end;
379 hi_ 1.1 end;
380    
381 yoffy 1.2 {
382 hi_ 1.1 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 yoffy 1.2 }
416 hi_ 1.1
417 yoffy 1.2 procedure TFavoriteDM.AddSaveString(Node: TTreeNode; SaveList: TStringList);
418 hi_ 1.1 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 yoffy 1.7 if Node.Item[ i ].Expanded then
427 yoffy 1.6 s := Format('<folder title="%s" expanded="true">', [HttpEncode(Node.Item[i].Text)])
428 yoffy 1.7 else
429 yoffy 1.6 s := Format('<folder title="%s" expanded="false">', [HttpEncode(Node.Item[i].Text)]);
430 hi_ 1.1 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 yoffy 1.5 s := Format('<favitem type="2ch" favtype="board" url="%s" title="%s"/>',
436 yoffy 1.7 [HttpEncode( FavBoard.URL ), HttpEncode(FavBoard.Title)]);
437 hi_ 1.1 SaveList.Add(s);
438     end else if TObject(Node.Item[i].Data) is TFavoriteThreadItem then begin
439     FavThread := TFavoriteThreadItem(Node.Item[i].Data);
440 yoffy 1.5 s := Format('<favitem type="2ch" favtype="thread" url="%s" title="%s"/>',
441 yoffy 1.7 [HttpEncode( FavThread.URL ), HttpEncode(FavThread.Title)]);
442 hi_ 1.1 SaveList.Add(s);
443     end;
444     end;
445 yoffy 1.2 end;
446 hi_ 1.1
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 h677 1.4 function TFavoriteDM.SaveFavoriteFile(FileName: String) : Boolean;
516     var
517     FavoriteFilePath: string;
518 yoffy 1.7 tempStringList: TStringList;
519 h677 1.4 begin
520    
521     FavoriteFilePath := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
522    
523     if FileExists( FavoriteFilePath ) then begin
524 yoffy 1.7 tempStringList := TStringList.Create;
525 h677 1.4 try
526 yoffy 1.7 tempStringList.LoadFromFile( FavoriteFilePath );
527     tempStringList.SaveToFile( FileName );
528 h677 1.4 finally
529 yoffy 1.7 tempStringList.Free;
530 h677 1.4 end;
531 yoffy 1.7 Result := true;
532 h677 1.4 end else begin
533 yoffy 1.7 Result := false;
534     end;
535 h677 1.4 end;
536    
537     function TFavoriteDM.GetFavoriteFilePath() : String;
538     begin
539     Result := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
540     end;
541    
542 hi_ 1.1 end.

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