PC World Komputer 1997 May/Pcwk0597.iso/borland/cb/setup/cbuilder/data.z/STDREG.PAS

Pascal/Delphi Source File | 1997-02-28 | 7KB | 267 lines

unit StdReg;

interface

uses DsgnIntf, Classes;

procedure Register;

implementation

uses SysUtils, Graphics, Menus, Forms, Controls, Dialogs, Buttons, StdCtrls,
  ExtCtrls, PageEdit, Grids, MnuBuild, Mask, MaskText, MaskProp, PicEdit,
  SBarEdit, ColEdit, ItemEdit, ImgList, NodeEdit, HCtlEdit, LibConst, ComCtrls;

{ TActivePageProperty }

type
  TActivePageProperty = class(TComponentProperty)
  public
    function GetAttributes: TPropertyAttributes; override;
    procedure GetValues(Proc: TGetStrProc); override;
  end;

function TActivePageProperty.GetAttributes: TPropertyAttributes;
begin
  Result := [paValueList];
end;

procedure TActivePageProperty.GetValues(Proc: TGetStrProc);
var
  I: Integer;
  Component: TComponent;
begin
  for I := 0 to Designer.Form.ComponentCount - 1 do
  begin
    Component := Designer.Form.Components[I];
    if (Component.Name <> '') and (Component is TTabSheet) and
      (TTabSheet(Component).PageControl = GetComponent(0)) then
      Proc(Component.Name);
  end;
end;

{ TPageControlEditor }

type
  TPageControlEditor = class(TDefaultEditor)
    procedure ExecuteVerb(Index: Integer); override;
    function GetVerb(Index: Integer): string; override;
    function GetVerbCount: Integer; override;
  end;

const
  PageControlVerbs: array[0..2] of Word = (SNewPage, SNextPage, SPrevPage);

procedure TPageControlEditor.ExecuteVerb(Index: Integer);
var
  PageControl: TPageControl;
  Page: TTabSheet;
  Designer: TFormDesigner;
begin
  if Component is TTabSheet then
    PageControl := TTabSheet(Component).PageControl else
    PageControl := TPageControl(Component);
  if PageControl <> nil then
  begin
    Designer := Self.Designer;
    if Index = 0 then
    begin
      Page := TTabSheet.Create(Designer.Form);
      try
        Page.Name := Designer.UniqueName(TTabSheet.ClassName);
        Page.Parent := PageControl;
        Page.PageControl := PageControl;
      except
        Page.Free;
        raise;
      end;
      PageControl.ActivePage := Page;
      Designer.SelectComponent(Page);
      Designer.Modified;
    end else
    begin
      Page := PageControl.FindNextPage(PageControl.ActivePage,
        Index = 1, False);
      if (Page <> nil) and (Page <> PageControl.ActivePage) then
      begin
        PageControl.ActivePage := Page;
        if Component is TTabSheet then Designer.SelectComponent(Page);
        Designer.Modified;
      end;
    end;
  end;
end;

function TPageControlEditor.GetVerb(Index: Integer): string;
begin
  Result := LoadStr(PageControlVerbs[Index]);
end;

function TPageControlEditor.GetVerbCount: Integer;
begin
  Result := High(PageControlVerbs) + 1;
end;

{ TStatusPanelsProperty }

type
  TStatusPanelsProperty = class(TClassProperty)
  public
    procedure Edit; override;
    function GetAttributes: TPropertyAttributes; override;
  end;

procedure TStatusPanelsProperty.Edit;
begin
  if EditStatusPanels(TStatusPanels(GetOrdValue)) then Modified;
end;

function TStatusPanelsProperty.GetAttributes: TPropertyAttributes;
begin
  Result := [paDialog, paReadOnly];
end;

{ THeaderSectionsProperty }

type
  THeaderSectionsProperty = class(TClassProperty)
  public
    procedure Edit; override;
    function GetAttributes: TPropertyAttributes; override;
  end;

procedure THeaderSectionsProperty.Edit;
begin
  if EditHeaderSections(THeaderSections(GetOrdValue)) then Modified;
end;

function THeaderSectionsProperty.GetAttributes: TPropertyAttributes;
begin
  Result := [paDialog, paReadOnly];
end;

{ TListColumnsProperty }

type
  TListColumnsProperty = class(TClassProperty)
  public
    procedure Edit; override;
    function GetAttributes: TPropertyAttributes; override;
  end;

procedure TListColumnsProperty.Edit;
begin
  if EditListViewColumns(TListColumns(GetOrdValue)) then Modified;
end;

function TListColumnsProperty.GetAttributes: TPropertyAttributes;
begin
  Result := [paDialog, paReadOnly];
end;

{ TListItemsProperty }

type
  TListItemsProperty = class(TClassProperty)
  public
    procedure Edit; override;
    function GetAttributes: TPropertyAttributes; override;
  end;

procedure TListItemsProperty.Edit;
begin
  if EditListViewItems(TListItems(GetOrdValue)) then Modified;
end;

function TListItemsProperty.GetAttributes: TPropertyAttributes;
begin
  Result := [paDialog, paReadOnly];
end;

{ TTreeNodesProperty }

type
  TTreeNodesProperty = class(TClassProperty)
  public
    procedure Edit; override;
    function GetAttributes: TPropertyAttributes; override;
  end;

procedure TTreeNodesProperty.Edit;
begin
  if EditTreeViewItems(TTreeNodes(GetOrdValue)) then Modified;
end;

function TTreeNodesProperty.GetAttributes: TPropertyAttributes;
begin
  Result := [paDialog, paReadOnly];
end;

type
  TImageListEditor = class(TComponentEditor)
  private
    procedure ExecuteVerb(Index: Integer); override;
    function GetVerb(Index: Integer): string; override;
    function GetVerbCount: Integer; override;
  end;

procedure TImageListEditor.ExecuteVerb(Index: Integer);
begin
  case Index of
    0:
      if EditImageList(Component as TImageList) and (Designer <> nil) then
        Designer.Modified;
  end;
end;

function TImageListEditor.GetVerb(Index: Integer): string;
begin
  if Index = 0 then
    Result := LoadStr(SImageEditor);
end;

function TImageListEditor.GetVerbCount: Integer;
begin
  Result := 1;
end;

{ Registration }

procedure Register;
begin
  RegisterComponents(LoadStr(srStandard), [TMainMenu, TPopupMenu, TLabel,
    TEdit, TMemo, TButton, TCheckBox, TRadioButton, TListBox, TComboBox,
    TScrollBar, TGroupBox, TRadioGroup, TPanel]);

  RegisterComponents(LoadStr(srWin95), [TTabControl, TPageControl,
    TTreeView, TListView, TImageList, THeaderControl, TRichEdit,
    TStatusBar, TTrackBar, TProgressBar, TUpDown, THotKey]);

  RegisterComponents(LoadStr(srAdditional), [TBitBtn, TSpeedButton,
    TMaskEdit, TStringGrid, TDrawGrid, TImage, TShape, TBevel,
    TScrollBox]);

  RegisterClasses([TTabSheet]);

  RegisterNoIcon([TMenuItem]);

  RegisterComponentEditor(TMenu, TMenuEditor);
  RegisterComponentEditor(TImage, TGraphicEditor);

  RegisterComponentEditor(TPageControl, TPageControlEditor);
  RegisterComponentEditor(TTabSheet, TPageControlEditor);
  RegisterComponentEditor(TImageList, TImageListEditor);

  RegisterPropertyEditor(TypeInfo(string), TCustomMaskEdit, 'EditMask', TMaskProperty);
  RegisterPropertyEditor(TypeInfo(string), TCustomMaskEdit, 'Text', TMaskTextProperty);

  RegisterPropertyEditor(TypeInfo(TTabSheet), TPageControl, 'ActivePage', TActivePageProperty);
  RegisterPropertyEditor(TypeInfo(TStatusPanels), nil, '', TStatusPanelsProperty);
  RegisterPropertyEditor(TypeInfo(THeaderSections), nil, '', THeaderSectionsProperty);
  RegisterPropertyEditor(TypeInfo(TListColumns), nil, '', TListColumnsProperty);
  RegisterPropertyEditor(TypeInfo(TListItems), nil, '', TListItemsProperty);
  RegisterPropertyEditor(TypeInfo(TTreeNodes), nil, '', TTreeNodesProperty);
end;

end.