Favorite.pas

   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 \82ª\8eæ\93¾\82Å\82«\82È\82\82Ä\82à URL \82Í\8fí\82É\95Û\8e\9d\82³\82ê\82é
  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 \82ª\8eæ\93¾\82Å\82«\82È\82\82Ä\82à URL \82Í\8fí\82É\95Û\8e\9d\82³\82ê\82é
  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 \90é\8c¾ }
  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 \90é\8c¾ }
  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 = '\83\8a\83\93\83N';
  70
  71 implementation
  72
  73 uses    ExternalBoardManager, ExternalBoardPlugInMain;
  74
  75 const
  76         FAVORITE_ROOT_NAME = '\82¨\8bC\82É\93ü\82è';
  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                 // \8b\8c\8e®\82Ì\82¨\8bC\82É\93ü\82è\82Æ\82Ì\8cÝ\8a·\90«\82Ì\82½\82ß
 102                 if FItem = nil then
 103                         // \81¦\8dì\82Á\82Ä\82à\81A\92Ç\89Á\82·\82é\83J\83e\83S\83\8a\82ª\96³\82¢\82Ì\82Å\8c\83\82µ\82\95Û\97¯
 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                 //===== \83v\83\89\83O\83C\83\93
 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 \82ª\94\90¶\82µ\82½\8fê\8d\87\82Í\93à\95\94\8f\88\97\9d\82É\94C\82¹\82½\82¢\82Ì\82Å\82±\82±\82Å\82Í\89½\82à\82µ\82È\82¢
 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                         // \81¦\8dì\82Á\82Ä\82à\81A\92Ç\89Á\82·\82é\83J\83e\83S\83\8a\82ª\96³\82¢\82Ì\82Å\8c\83\82µ\82\95Û\97¯
 162                         board := TBoard.Create( nil, boardURL )
 163                 else
 164                         FItem := board.FindThreadFromURL( URL );
 165
 166                 if FItem = nil then begin
 167                         FItem := TThreadItem.Create( boardPlugIn, URL );
 168
 169                         FItem.Title := Title;
 170                         board.Add( FItem );
 171                 end;
 172         end;
 173
 174         Result := FItem;
 175
 176 end;
 177
 178 procedure TFavoriteDM.DataModuleCreate(Sender: TObject);
 179 begin
 180         //FTreeView := TreeView;
 181         //FTreeView := GikoForm.FavoriteTreeView;
 182 end;
 183
 184 procedure TFavoriteDM.DataModuleDestroy(Sender: TObject);
 185 var
 186         i: Integer;
 187 begin
 188         for i := 0 to TreeView.Items.Count - 1 do begin
 189                 TObject(TreeView.Items[i].Data).Free;
 190         end;
 191 end;
 192
 193 procedure TFavoriteDM.SetFavTreeView(TreeView: TTreeView);
 194 begin
 195         FTreeView := TreeView;
 196 end;
 197
 198 procedure TFavoriteDM.ReadFavorite;
 199 var
 200         FileName: string;
 201         XMLDoc: IXMLDocument;
 202         XMLNode: IXMLNode;
 203         Node: TTreeNode;
 204         i: Integer;
 205         FavFolder: TFavoriteFolder;
 206         LinkExists: Boolean;
 207 begin
 208
 209         FileName := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
 210
 211         FavFolder := TFavoriteFolder.Create;
 212         Node := FTreeView.Items.AddChildObject(nil, FAVORITE_ROOT_NAME, FavFolder);
 213         Node.ImageIndex := 14;
 214         Node.SelectedIndex := 14;
 215
 216         if FileExists(FileName) then begin
 217                 try
 218                         XMLDoc := LoadXMLDocument(FileName);
 219                         XMLNode := XMLDoc.DocumentElement;
 220
 221                         FStack := TStack.Create;
 222                         try
 223                                 FStack.Push(Node);
 224                                 LinkExists := False;
 225                                 if XMLNode.NodeName = 'favorite' then begin
 226                                         for i := 0 to XMLNode.ChildNodes.Count - 1 do begin
 227                                                 ReadNode(XMLNode.ChildNodes[i]);
 228                                                 if (XMLNode.ChildNodes[i].NodeName = 'folder') and
 229                                                          (XMLNode.ChildNodes[i].Attributes['title'] = FAVORITE_LINK_NAME) then begin
 230                                                         LinkExists := True;
 231                                                 end;
 232                                         end;
 233                                 end;
 234                                 if not LinkExists then begin
 235                                         FavFolder := TFavoriteFolder.Create;
 236                                         Node := FTreeView.Items.AddChildObject(Node, FAVORITE_LINK_NAME, FavFolder);
 237                                         Node.ImageIndex := 14;
 238                                         Node.SelectedIndex := 14;
 239                                 end;
 240                         finally
 241                                 FStack.Free;
 242                         end;
 243                 except
 244                 end;
 245         end;
 246
 247 {
 248         FavFolder := TFavoriteFolder.Create;
 249         Node := FTreeView.Items.AddChildObject(nil, FAVORITE_ROOT_NAME, FavFolder);
 250         Node.ImageIndex := 12;
 251         Node.SelectedIndex := 13;
 252
 253         FileName := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
 254         if not FileExists(FileName) then
 255                 Exit;
 256
 257                 FavSAXHandler.OnStartDocument := SAXStartDocument;
 258                 FavSAXHandler.OnEndDocument := SAXEndDocument;
 259                 FavSAXHandler.OnStartElement := SAXStartElement;
 260                 FavSAXHandler.OnStartElement := SAXStartElement;
 261                 FavSAXHandler.OnEndElement := SAXEndElement;
 262                 FavSAXHandler.OnCharacters := SAXCharacters;
 263
 264                 FavSAXReader.Vendor := 'Keith Wood';
 265                 FavSAXReader.URL := FileName;
 266                 FavSAXReader.Parse;}
 267 end;
 268
 269 procedure TFavoriteDM.ReadNode(Node: IXMLNode);
 270 var
 271         i: Integer;
 272         j, jBound : Integer;
 273
 274         ParentNode: TTreeNode;
 275         CurrentNode: TTreeNode;
 276         FavFolder: TFavoriteFolder;
 277         FavBoard: TFavoriteBoardItem;
 278         FavThread: TFavoriteThreadItem;
 279         board                           : TBoard;
 280         threadItem      : TThreadItem;
 281         url                                     : string;
 282 begin
 283         if Node.NodeName = 'folder' then begin
 284                 ParentNode := FStack.Peek;
 285                 if TObject(ParentNode.Data) is TFavoriteFolder then begin
 286                         FavFolder := TFavoriteFolder.Create;
 287                         CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Node.Attributes['title'], FavFolder);
 288                         CurrentNode.ImageIndex := 14;
 289                         CurrentNode.SelectedIndex := 14;
 290                         CurrentNode.Expanded := Node.Attributes[ 'expanded' ] = 'true';
 291                         FStack.Push(CurrentNode);
 292                 end;
 293                 for i := 0 to Node.ChildNodes.Count - 1 do begin
 294                         ReadNode(Node.ChildNodes[i]);
 295                 end;
 296                 if FStack.Count <> 0 then
 297                         FStack.Pop;
 298         end else if Node.NodeName = 'favitem' then begin
 299                 ParentNode := FStack.Peek;
 300                 if TObject(ParentNode.Data) is TFavoriteFolder then begin
 301                         if Node.Attributes['favtype'] = 'board' then begin
 302                                 // \8b\8c\8e®\82Ì\82¨\8bC\82É\93ü\82è\82Æ\82Ì\8cÝ\8a·\90«\82Ì\82½\82ß
 303                                 if Length( Node.Attributes[ 'bbs' ] ) > 0 then begin
 304                                         board := BBSsFindBoardFromBBSID( Node.Attributes[ 'bbs' ] );
 305                                         FavBoard := TFavoriteBoardItem.Create(
 306                                                 board.URL, Node.Attributes[ 'title' ], board );
 307                                 end else begin
 308                                         FavBoard := TFavoriteBoardItem.Create(
 309                                                 Node.Attributes[ 'url' ], Node.Attributes[ 'title' ], board );
 310                                 end;
 311                                 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Node.Attributes['title'], FavBoard);
 312                                 CurrentNode.ImageIndex := 15;
 313                                 CurrentNode.SelectedIndex := 15;
 314                         end else if Node.Attributes['favtype'] = 'thread' then begin
 315                                 // \8b\8c\8e®\82Ì\82¨\8bC\82É\93ü\82è\82Æ\82Ì\8cÝ\8a·\90«\82Ì\82½\82ß
 316                                 if Length( Node.Attributes[ 'bbs' ] ) > 0 then begin
 317                                         board := BBSsFindBoardFromBBSID( Node.Attributes[ 'bbs' ] );
 318                                         if board = nil then
 319                                                 Exit;
 320
 321                                         if not board.IsThreadDatRead then
 322                                                 GikoSys.ReadSubjectFile( board );
 323                                         threadItem := board.Find( Node.Attributes[ 'thread' ] );
 324                                         if threadItem = nil then begin
 325                                                 threadItem := TThreadItem.Create(
 326                                                         board.BoardPlugIn,
 327                                                         GikoSys.Get2chBoard2ThreadURL( board, ChangeFileExt( Node.Attributes[ 'thread' ], '' ) ) );
 328                                                 threadItem.Title := Node.Attributes[ 'title' ];
 329                                                 board.Add( threadItem );
 330                                         end;
 331                                         FavThread := TFavoriteThreadItem.Create(
 332                                                 threadItem.URL, Node.Attributes[ 'title' ], threadItem );
 333                                 end else begin
 334                                         FavThread := TFavoriteThreadItem.Create(
 335                                                 Node.Attributes[ 'url' ], Node.Attributes[ 'title' ], threadItem );
 336                                 end;
 337                                 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Node.Attributes['title'], FavThread);
 338                                 CurrentNode.ImageIndex := 16;
 339                                 CurrentNode.SelectedIndex := 16;
 340                         end;
 341                 end;
 342         end;
 343 end;
 344
 345 procedure TFavoriteDM.WriteFavorite;
 346 {
 347 var
 348         FileName: string;
 349 //      SaveList: TStringList;
 350 //      i: Integer;
 351 //      Count: Integer;
 352
 353         XMLDoc: IXMLDocument;
 354         XMLNode: IXMLNode;
 355 //      FavoNode: IXMLNode;
 356 begin
 357         XMLDoc :=       NewXMLDocument;
 358         XMLDoc.Encoding := 'Shift_JIS';
 359         XMLDoc.StandAlone := 'yes';
 360         XMLNode := XMLDoc.AddChild('favorite');
 361         FileName := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
 362         AddSaveString(TreeView.Items.GetFirstNode, XMLNode);
 363         XMLDoc.SaveToFile(FileName);
 364 }
 365 var
 366         FileName: string;
 367         SaveList: TStringList;
 368 begin
 369         FileName := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
 370         SaveList := TStringList.Create;
 371         try
 372                 SaveList.Add('<?xml version="1.0" encoding="Shift_JIS" standalone="yes"?>');
 373                 SaveList.Add('<favorite>');
 374                 AddSaveString(TreeView.Items.GetFirstNode, SaveList);
 375                 SaveList.Add('</favorite>');
 376                 SaveList.SaveToFile(FileName);
 377         finally
 378                 SaveList.Free;
 379         end;
 380 end;
 381
 382 {
 383 procedure TFavoriteDM.AddSaveString(Node: TTreeNode; XMLNode: IXMLNode);
 384 var
 385         i: Integer;
 386 //      s: string;
 387         FavBoard: TFavoriteBoardItem;
 388         FavThread: TFavoriteThreadItem;
 389         FavNode: IXMLNode;
 390 begin
 391         for i := 0 to Node.Count - 1 do begin
 392                 if TObject(Node.Item[i].Data) is TFavoriteFolder then begin
 393                         FavNode := XMLNode.AddChild('folder');
 394                         FavNode.Attributes['title'] := Node.Item[i].Text;
 395                         AddSaveString(Node.Item[i], FavNode);
 396                 end else if TObject(Node.Item[i].Data) is TFavoriteBoardItem then begin
 397                         FavBoard := TFavoriteBoardItem(Node.Item[i].Data);
 398                         FavNode := XMLNode.AddChild('favitem');
 399                         FavNode.Attributes['type'] := '2ch';
 400                         FavNode.Attributes['favtype'] := 'board';
 401                         FavNode.Attributes['bbs'] := FavBoard.BBSID;
 402                         FavNode.Attributes['title'] := Node.Item[i].Text;
 403                         FavNode.Attributes['boardname'] := FavBoard.BoardName;
 404                 end else if TObject(Node.Item[i].Data) is TFavoriteThreadItem then begin
 405                         FavThread := TFavoriteThreadItem(Node.Item[i].Data);
 406                         FavNode := XMLNode.AddChild('favitem');
 407                         FavNode.Attributes['type'] := '2ch';
 408                         FavNode.Attributes['favtype'] := 'thread';
 409                         FavNode.Attributes['bbs'] := FavThread.BBSID;
 410                         FavNode.Attributes['thread'] := FavThread.ThreadID;
 411                         FavNode.Attributes['title'] := Node.Item[i].Text;
 412                         FavNode.Attributes['threadname'] := FavThread.ThreadName;
 413                 end;
 414         end;
 415 end;
 416 }
 417
 418 procedure TFavoriteDM.AddSaveString(Node: TTreeNode; SaveList: TStringList);
 419 var
 420         i: Integer;
 421         s: string;
 422         FavBoard: TFavoriteBoardItem;
 423         FavThread: TFavoriteThreadItem;
 424 begin
 425         for i := 0 to Node.Count - 1 do begin
 426                 if TObject(Node.Item[i].Data) is TFavoriteFolder then begin
 427                         if Node.Item[ i ].Expanded then
 428                                 s := Format('<folder title="%s" expanded="true">', [HttpEncode(Node.Item[i].Text)])
 429                         else
 430                                 s := Format('<folder title="%s" expanded="false">', [HttpEncode(Node.Item[i].Text)]);
 431                         SaveList.Add(s);
 432                         AddSaveString(Node.Item[i], SaveList);
 433                         SaveList.Add('</folder>');
 434                 end else if TObject(Node.Item[i].Data) is TFavoriteBoardItem then begin
 435                         FavBoard := TFavoriteBoardItem(Node.Item[i].Data);
 436                         s := Format('<favitem type="2ch" favtype="board" url="%s" title="%s"/>',
 437                                                                         [HttpEncode( FavBoard.URL ), HttpEncode(FavBoard.Title)]);
 438                         SaveList.Add(s);
 439                 end else if TObject(Node.Item[i].Data) is TFavoriteThreadItem then begin
 440                         FavThread := TFavoriteThreadItem(Node.Item[i].Data);
 441                         s := Format('<favitem type="2ch" favtype="thread" url="%s" title="%s"/>',
 442                                                                         [HttpEncode( FavThread.URL ), HttpEncode(FavThread.Title)]);
 443                         SaveList.Add(s);
 444                 end;
 445         end;
 446 end;
 447
 448 {
 449 procedure TFavoriteDM.SAXStartDocument(Sender: TObject);
 450 begin
 451         FStack := TStack.Create;
 452         FStack.Push(FTreeView.Items.GetFirstNode);
 453 end;
 454
 455 procedure TFavoriteDM.SAXEndDocument(Sender: TObject);
 456 begin
 457         FStack.Free;
 458 end;
 459
 460 procedure TFavoriteDM.SAXStartElement(Sender: TObject; const NamespaceURI, LocalName, QName: SAXString;
 461         const Atts: IAttributes);
 462 var
 463         FavType: string;
 464         ParentNode: TTreeNode;
 465         CurrentNode: TTreeNode;
 466         FavFolder: TFavoriteFolder;
 467         FavBoard: TFavoriteBoardItem;
 468         FavThread: TFavoriteThreadItem;
 469 begin
 470         if QName = 'folder' then begin
 471                 ParentNode := FStack.Peek;
 472                 if TObject(ParentNode.Data) is TFavoriteFolder then begin
 473                         FavFolder := TFavoriteFolder.Create;
 474                         CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Atts.getValue('title'), FavFolder);
 475                         CurrentNode.ImageIndex := 12;
 476                         CurrentNode.SelectedIndex := 13;
 477                         FStack.Push(CurrentNode);
 478                 end;
 479         end else if QName = 'favitem' then begin
 480                 ParentNode := FStack.Peek;
 481                 if TObject(ParentNode.Data) is TFavoriteFolder then begin
 482                         FavType := Atts.getValue('favtype');
 483                         if FavType = 'board' then begin
 484                                 FavBoard := TFavoriteBoardItem.Create;
 485                                 FavBoard.BBSID := Atts.getValue('bbs');
 486                                 FavBoard.BoardName := Atts.getValue('boardname');
 487                                 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Atts.getValue('title'), FavBoard);
 488                                 CurrentNode.ImageIndex := 14;
 489                                 CurrentNode.SelectedIndex := 15;
 490                         end else if FavType = 'thread' then begin
 491                                 FavThread := TFavoriteThreadItem.Create;
 492                                 FavThread.BBSID := Atts.getValue('bbs');
 493                                 FavThread.ThreadID := Atts.getValue('thread');
 494                                 FavThread.ThreadName := Atts.getValue('threadname');
 495                                 CurrentNode := FTreeView.Items.AddChildObject(ParentNode, Atts.getValue('title'), FavThread);
 496                                 CurrentNode.ImageIndex := 16;
 497                                 CurrentNode.SelectedIndex := 17;
 498                         end;
 499                 end;
 500         end;
 501 end;
 502
 503 procedure TFavoriteDM.SAXEndElement(Sender: TObject; const NamespaceURI, LocalName, QName: SAXString);
 504 begin
 505         if QName = 'folder' then begin
 506                 if FStack.Count <> 0 then
 507                         FStack.Pop;
 508         end;
 509 end;
 510
 511 procedure TFavoriteDM.SAXCharacters(Sender: TObject; const PCh: SAXString);
 512 begin
 513 //
 514 end;
 515 }
 516 function TFavoriteDM.SaveFavoriteFile(FileName: String) : Boolean;
 517 var
 518         FavoriteFilePath: string;
 519                 tempStringList: TStringList;
 520 begin
 521
 522         FavoriteFilePath := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
 523
 524         if FileExists( FavoriteFilePath ) then begin
 525                 tempStringList := TStringList.Create;
 526                 try
 527                         tempStringList.LoadFromFile( FavoriteFilePath );
 528                         tempStringList.SaveToFile( FileName );
 529                 finally
 530                         tempStringList.Free;
 531                 end;
 532                 Result := true;
 533         end else begin
 534                 Result := false;
 535         end;
 536 end;
 537
 538 function TFavoriteDM.GetFavoriteFilePath() : String;
 539 begin
 540         Result := GikoSys.GetConfigDir + FAVORITE_FILE_NAME;
 541 end;
 542
 543 end.