Subversion Repositories musikbox

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  1. ´╗┐unit Config;
  2.  
  3. interface
  4.  
  5. uses
  6.   Windows, Messages, SysUtils, Classes, Controls, Forms, Dialogs, StdCtrls,
  7.   ActnList, StdActns, ShlObj;
  8.  
  9. type
  10.   TConfigForm = class(TForm)
  11.     btnAbbrechen: TButton;
  12.     btnSpeichern: TButton;
  13.     grpMusikOrdner: TGroupBox;
  14.     lstMusikOrdner: TListBox;
  15.     btnOrdnerErstellen: TButton;
  16.     btnOrdnerEntfernen: TButton;
  17.     procedure btnAbbrechenClick(Sender: TObject);
  18.     procedure btnSpeichernClick(Sender: TObject);
  19.     procedure FormShow(Sender: TObject);
  20.     procedure btnOrdnerEntfernenClick(Sender: TObject);
  21.     procedure btnOrdnerErstellenClick(Sender: TObject);
  22.   private
  23.     lg_StartFolder: String;
  24.   end;
  25.  
  26. var
  27.   ConfigForm: TConfigForm;
  28.  
  29. implementation
  30.  
  31. uses
  32.   Main;
  33.  
  34. {$R *.dfm}
  35.  
  36. procedure TConfigForm.btnAbbrechenClick(Sender: TObject);
  37. begin
  38.   close;
  39. end;
  40.  
  41. procedure TConfigForm.btnSpeichernClick(Sender: TObject);
  42. var
  43.   i: integer;
  44. begin
  45.   setlength(MainForm.MusikArray, 0);
  46.   for i := 0 to lstMusikOrdner.Items.Count-1 do
  47.   begin
  48.     setlength(MainForm.MusikArray, length(MainForm.MusikArray)+1);
  49.     MainForm.MusikArray[length(MainForm.MusikArray)-1] := lstMusikOrdner.Items.Strings[i];
  50.   end;
  51.  
  52.   MainForm.InitDirectories();
  53.   MainForm.SchreibeEinstellung();
  54.  
  55.   close;
  56. end;
  57.  
  58. procedure TConfigForm.FormShow(Sender: TObject);
  59. var
  60.   i: integer;
  61. begin
  62.   lstMusikOrdner.Items.Clear;
  63.   for i := 0 to length(MainForm.MusikArray)-1 do
  64.     lstMusikOrdner.Items.Add(MainForm.MusikArray[i]);
  65. end;
  66.  
  67. procedure TConfigForm.btnOrdnerEntfernenClick(Sender: TObject);
  68. begin
  69.   if lstMusikOrdner.ItemIndex <> -1 then
  70.     lstMusikOrdner.Items.Delete(lstMusikOrdner.ItemIndex);
  71. end;
  72.  
  73. ///////////////////////////////////////////////////////////////////
  74. // Call back function used to set the initial browse directory.
  75. ///////////////////////////////////////////////////////////////////
  76. function BrowseForFolderCallBack(Wnd: HWND; uMsg: UINT;
  77.         lParam, lpData: LPARAM): Integer stdcall;
  78. begin
  79.   if uMsg = BFFM_INITIALIZED then
  80.     SendMessage(Wnd,BFFM_SETSELECTION,1,Integer(@configform.lg_StartFolder[1]));
  81.   result := 0;
  82. end;
  83.  
  84. ///////////////////////////////////////////////////////////////////
  85. // This function allows the user to browse for a folder
  86. //
  87. // Arguments:-
  88. //    browseTitle : The title to display on the browse dialog.
  89. //  NewFolder : Allow to create a new folder
  90. //  initialFolder : Optional argument. Use to specify the folder
  91. //                  initially selected when the dialog opens.
  92. //
  93. // Returns: The empty string if no folder was selected (i.e. if the
  94. //          user clicked cancel), otherwise the full folder path.
  95. ///////////////////////////////////////////////////////////////////
  96. function BrowseForFolder(const browseTitle: String; const NewFolder: boolean = false;
  97.         const initialFolder: String =''): String;
  98. var
  99.   browse_info: TBrowseInfo;
  100.   folder: array[0..MAX_PATH] of char;
  101.   find_context: PItemIDList;
  102. const
  103.   BIF_NEWDIALOGSTYLE=$40;
  104. begin
  105.   FillChar(browse_info,SizeOf(browse_info),#0);
  106.   configform.lg_StartFolder := initialFolder;
  107.   browse_info.pszDisplayName := @folder[0];
  108.   browse_info.lpszTitle := PChar(browseTitle);
  109.   if NewFolder then
  110.     browse_info.ulFlags := BIF_RETURNONLYFSDIRS or BIF_NEWDIALOGSTYLE
  111.   else
  112.     browse_info.ulFlags := BIF_RETURNONLYFSDIRS;
  113.   browse_info.hwndOwner := Application.Handle;
  114.   if initialFolder <> '' then
  115.     browse_info.lpfn := BrowseForFolderCallBack;
  116.   find_context := SHBrowseForFolder(browse_info);
  117.   if Assigned(find_context) then
  118.   begin
  119.     if SHGetPathFromIDList(find_context,folder) then
  120.       result := folder
  121.     else
  122.       result := '';
  123.     GlobalFreePtr(find_context);
  124.   end
  125.   else
  126.     result := '';
  127. end;
  128.  
  129. procedure TConfigForm.btnOrdnerErstellenClick(Sender: TObject);
  130. var
  131.   fol: string;
  132. begin
  133.   fol := BrowseForFolder('Neuen Ordner hinzuf├╝gen', true, 'C:\');
  134.   if fol <> '' then
  135.     lstMusikOrdner.Items.Add(fol);
  136. end;
  137.  
  138. end.
  139.