virtualtreesreg.pas

来自「本系统前端界面采用WINDOWS 窗口风格」· PAS 代码 · 共 510 行 · 第 1/2 页

  {$ifdef COMPILER_6_UP}

    procedure TClipboardElement.PropDrawName(ACanvas: TCanvas; const ARect: TRect; ASelected: Boolean);

    begin
      DefaultPropertyDrawName(Self, ACanvas, ARect);
    end;

  {$endif COMPILER_6_UP}

//----------------------------------------------------------------------------------------------------------------------

  procedure TClipboardElement.PropDrawValue(ACanvas: TCanvas; const ARect: TRect; ASelected: Boolean);

  begin
    DrawBoolean(CompareText(GetVisualValue, 'True') = 0, ACanvas, ARect, ASelected);
  end;

{$endif COMPILER_5_UP}

//----------------- TClipboardFormatsProperty --------------------------------------------------------------------------

function TClipboardFormatsProperty.GetAttributes: TPropertyAttributes;

begin
  Result := inherited GetAttributes + [paSubProperties {$ifdef COMPILER_5_UP}, paFullWidthName {$endif COMPILER_5_UP}];
end;

//----------------------------------------------------------------------------------------------------------------------

procedure TClipboardFormatsProperty.GetProperties(Proc: TGetPropEditProc);

var
  List: TStringList;
  I: Integer;
  Tree: TBaseVirtualTree;

begin
  List := TStringList.Create;
  Tree := TClipboardFormats(GetOrdValue).Owner;
  EnumerateVTClipboardFormats(TVirtualTreeClass(Tree.ClassType), List);
  for I := 0 to List.Count - 1 do
    Proc(TClipboardElement.Create(Self, List[I]));
end;

//----------------------------------------------------------------------------------------------------------------------

{$ifdef COMPILER_5_UP}

  procedure TClipboardFormatsProperty.PropDrawName(ACanvas: TCanvas; const ARect: TRect; ASelected: Boolean);

  var
    S: string;
    Width: Integer;
    R: TRect;

  begin
    with ACanvas do
    begin
      Font.Name := 'Arial';
      R := ARect;
      Font.Color := clBlack;
      S := GetName;
      Width := TextWidth(S);
      TextRect(R, R.Left + 1, R.Top + 1, S);

      Inc(R.Left, Width + 8);
      Font.Height := 14;
      Font.Color := clBtnHighlight;
      S := '(OLE drag and clipboard)';
      SetBkMode(Handle, TRANSPARENT);
      ExtTextOut(Handle, R.Left + 1, R.Top + 1, ETO_CLIPPED, @R, PChar(S), Length(S), nil);
      Font.Color := clBtnShadow;
      ExtTextOut(Handle, R.Left, R.Top, ETO_CLIPPED, @R, PChar(S), Length(S), nil);
    end;
  end;

//----------------------------------------------------------------------------------------------------------------------

  procedure TClipboardFormatsProperty.PropDrawValue(ACanvas: TCanvas; const ARect: TRect; ASelected: Boolean);

  begin
    // Nothing to do here.
  end;

{$endif COMPILER_5_UP}

{$ifdef COMPILER_5}

//----------------- TVTPaintingCategory --------------------------------------------------------------------------------

  class function TVTPaintingCategory.Name: string;

  begin
    Result := 'Custom Painting';
  end;

//----------------------------------------------------------------------------------------------------------------------

  class function TVTPaintingCategory.Description: string;

  begin
    Result := 'Custom Painting';
  end;

//----------------- TVTHeaderCategory ----------------------------------------------------------------------------------

  class function TVTHeaderCategory.Name: string;

  begin
    Result := 'Header';
  end;

//----------------------------------------------------------------------------------------------------------------------

  class function TVTHeaderCategory.Description: string;

  begin
    Result := 'Header';
  end;

//----------------- TVTIncrementalSearchCategory -----------------------------------------------------------------------

  class function TVTIncrementalSearchCategory.Name: string;

  begin
    Result := 'Incremental Search';
  end;

//----------------------------------------------------------------------------------------------------------------------

  class function TVTIncrementalSearchCategory.Description: string;

  begin
    Result := 'Incremental Search';
  end;

//----------------------------------------------------------------------------------------------------------------------

{$endif COMPILER_5}

procedure Register;

begin
  RegisterComponents('Virtual Controls', [TVirtualStringTree, TVirtualDrawTree, TVTHeaderPopupMenu]);
  RegisterComponentEditor(TVirtualStringTree, TVirtualTreeEditor);
  RegisterComponentEditor(TVirtualDrawTree, TVirtualTreeEditor);
  RegisterPropertyEditor(TypeInfo(TClipboardFormats), nil, '', TClipboardFormatsProperty);

  // Categories:
  {$ifdef COMPILER_5_UP}
    RegisterPropertiesInCategory({$ifdef COMPILER_5} TActionCategory, {$endif} {$ifdef COMPILER_6_UP} sActionCategoryName, {$endif COMPILER_6_UP}
      TBaseVirtualTree,
      ['ChangeDelay',
       'EditDelay']);

    RegisterPropertiesInCategory({$ifdef COMPILER_5} TDataCategory, {$endif} {$ifdef COMPILER_6_UP} sDataCategoryName, {$endif COMPILER_6_UP}
      TBaseVirtualTree,
      ['NodeDataSize',
       'RootNodeCount',
       'OnCompareNodes',
       'OnGetNodeDataSize',
       'OnInitNode',
       'OnInitChildren',
       'OnFreeNode',
       'OnGetNodeWidth',
       'OnGetPopupMenu',
       'OnLoadNode',
       'OnSaveNode',
       'OnResetNode',
       'OnNodeMov*',
       'OnStructureChange',
       'OnUpdating',
       'OnGetText',
       'OnNewText',
       'OnShortenString']);

    RegisterPropertiesInCategory({$ifdef COMPILER_5} TLayoutCategory, {$endif} {$ifdef COMPILER_6_UP} slayoutCategoryName, {$endif COMPILER_6_UP}
      TBaseVirtualTree,
      ['AnimationDuration',
       'AutoExpandDelay',
       'AutoScroll*',
       'ButtonStyle',
       'DefaultNodeHeight',
       '*Images*', 'OnGetImageIndex',
       'Header',
       'Indent',
       'LineStyle', 'OnGetLineStyle',
       'CheckImageKind',
       'Options',
       'Margin',
       'NodeAlignment',
       'ScrollBarOptions',
       'SelectionCurveRadius',
       'TextMargin']);

    RegisterPropertiesInCategory({$ifdef COMPILER_5} TVisualCategory, {$endif} {$ifdef COMPILER_6_UP} sVisualCategoryName, {$endif COMPILER_6_UP}
      TBaseVirtualTree,
      ['Background*',
       'ButtonFillMode',
       'CustomCheckimages',
       'Colors',
       'LineMode']);

    RegisterPropertiesInCategory({$ifdef COMPILER_5} THelpCategory, {$endif} {$ifdef COMPILER_6_UP} sHelpCategoryName, {$endif COMPILER_6_UP}
      TBaseVirtualTree,
      ['Hint*', 'On*Hint*', 'On*Help*']);

    RegisterPropertiesInCategory({$ifdef COMPILER_5} TDragNDropCategory, {$endif} {$ifdef COMPILER_6_UP} sDragNDropCategoryName, {$endif COMPILER_6_UP}
      TBaseVirtualTree,
      ['ClipboardFormats',
       'DefaultPasteMode',
       'OnCreateDataObject',
       'OnCreateDragManager',
       'OnGetUserClipboardFormats',
       'OnNodeCop*',
       'OnDragAllowed',
       'OnRenderOLEData']);

    RegisterPropertiesInCategory({$ifdef COMPILER_5} TInputCategory, {$endif} {$ifdef COMPILER_6_UP} sInputCategoryName, {$endif COMPILER_6_UP}
      TBaseVirtualTree,
      ['DefaultText',
       'DrawSelectionMode',
       'WantTabs',
       'OnChang*',
       'OnCollaps*',
       'OnExpand*',
       'OnCheck*',
       'OnEdit*',
       'On*Click',
       'OnFocus*',
       'OnCreateEditor',
       'OnScroll',
       'OnHotChange']);

    RegisterPropertiesInCategory({$ifdef COMPILER_5} TVTHeaderCategory, {$endif} {$ifdef COMPILER_6_UP} sVTHeaderCategoryName, {$endif COMPILER_6_UP}
      TBaseVirtualTree,
      ['OnHeader*', 'OnGetHeader*']);

    RegisterPropertiesInCategory({$ifdef COMPILER_5} TVTPaintingCategory, {$endif} {$ifdef COMPILER_6_UP} sVTPaintingCategoryName, {$endif COMPILER_6_UP}
      TBaseVirtualTree,
      ['On*Paint*',
       'OnDraw*',
       'On*Erase*']);

    RegisterPropertiesInCategory({$ifdef COMPILER_5} TVTIncrementalSearchCategory, {$endif} {$ifdef COMPILER_6_UP} sVTIncremenalCategoryName, {$endif COMPILER_6_UP}
      TBaseVirtualTree,
      ['*Incremental*']);
  {$endif COMPILER_5_UP}
end;

//----------------------------------------------------------------------------------------------------------------------

end.