www.pudn.com > dfs.zip > DFSLayeredFormReg.pas, change:2001-06-27,size:10412b


{$I DFS.INC}  { Standard defines for all Delphi Free Stuff components } 
 
unit DFSLayeredFormReg; 
 
{$IFNDEF DFS_WIN32} 
  Error!  This unit is only available for Win32. 
{$ENDIF} 
 
{$IFNDEF DFS_COMPILER_3_UP} 
  Error! This unit is not used by Delphi 2 or C++Builder 1.  Do not install it! 
{$ENDIF} 
 
interface 
 
uses 
  ExptIntf, EditIntf, Windows, SysUtils, StdCtrls, DFSLayeredForm, DFSAbout, 
  Consts; 
 
const 
  { This is the name of the page in the Object Repository (File | New) that the 
    form expert will be created on.  I chose DFS (for Delphi Free Stuff) so 
    that it remained seperate from the standard items in the repository. 
    However, you may find it more convenient to change this string to 'Forms' 
    so that it shows up with all the other new types of forms you have in the 
    repository. } 
  // The page name for the Layered Form Wizard 
  sLayeredFormObjRepositoryPage = 'DFS'; 
 
type 
  {: Registers the class for use in the IDE of Delphi 3, 4, and C++Builder. 
     Previous versions of Delphi and C++Builder 1.0 do <B>NOT</> 
     support design-time access of TForm descendants.  Sorry.  Unlike a normal 
     component, TForm descendant classes must have an expert that creates the 
     custom form instance for the process to work. } 
  { The IDE expert that allows the class to work at design-time in the IDE } 
  TdfsLayeredFormExpert = class(TIExpert) 
  public 
    function GetStyle: TExpertStyle; override; 
    function GetName: string; override; 
    function GetAuthor: string; override; 
    function GetComment: string; override; 
    function GetPage: string; override; 
    function GetGlyph: HICON; override; 
    function GetState: TExpertState; override; 
    function GetIDString: string; override; 
    function GetMenuText: string; override; 
    procedure Execute; override; 
  end; 
 
  procedure Register; 
 
implementation 
 
uses 
  {$IFDEF DFS_NO_DSGNINTF} 
  DesignIntf, 
  DesignEditors, 
  {$ELSE} 
  DsgnIntf, 
  {$ENDIF} 
  ToolIntf, TypInfo; 
 
const 
  CRLF = #13#10; 
 
procedure Register; 
begin 
  RegisterCustomModule(TdfsLayeredForm, TCustomModule); 
  RegisterLibraryExpert(TdfsLayeredFormExpert.Create); 
  RegisterPropertyEditor(TypeInfo(string), TdfsLayeredForm, 'Version', 
     TDFSVersionProperty); 
end; 
 
 
type 
  {$IFDEF DFS_DELPHI_3} 
  TdfsLayeredFormModuleCreator = class(TIModuleCreator) 
  {$ELSE} 
  TdfsLayeredFormModuleCreator = class(TIModuleCreatorEx) 
  {$ENDIF} 
  private 
    FAncestorIdent: string; 
    FAncestorClass: TClass; 
    FFormIdent: string; 
    FUnitIdent: string; 
    FFileName: string; 
  public 
    function Existing: boolean; override; 
    function GetFileName: string; override; 
    function GetFileSystem: string; override; 
    function GetFormName: string; override; 
    function GetAncestorName: string; override; 
    function NewModuleSource({$IFNDEF DFS_DELPHI_3} const {$ENDIF} UnitIdent, 
       FormIdent, AncestorIdent: string): string; override; 
    {$IFNDEF DFS_DELPHI_3} 
    function GetIntfName: string; override; 
    function NewIntfSource(const UnitIdent, FormIdent, 
       AncestorIdent: string): string; override; 
    {$ENDIF} 
    procedure FormCreated(Form: TIFormInterface); override; 
  end; 
 
 
{ TdfsLayeredFormModuleCreator } 
 
function TdfsLayeredFormModuleCreator.Existing: boolean; 
begin 
  Result := FALSE; 
end; 
 
function TdfsLayeredFormModuleCreator.GetFileName: string; 
begin 
  Result := ''; 
end; 
 
function TdfsLayeredFormModuleCreator.GetFileSystem: string; 
begin 
  Result := ''; 
end; 
 
function TdfsLayeredFormModuleCreator.GetFormName: string; 
begin 
  Result := FFormIdent; 
end; 
 
function TdfsLayeredFormModuleCreator.GetAncestorName: string; 
begin 
  Result := FAncestorIdent; 
end; 
 
{$IFDEF DFS_CPPB} 
 
function UnitName2NameSpace(const Value: string): string; 
var 
  s1, s2: string; 
begin 
  Result := ''; 
  if Value <> '' then 
  begin 
    s1 := Value[1]; 
    s2 := LowerCase(Value); 
    System.Delete(s2, 1, 1); 
    Result := UpperCase(s1)+s2; 
  end; 
end; 
 
{$ENDIF} 
 
function GetCustomFormUnit(const AClass: TClass): string; 
begin 
  Result := GetTypeData(PTypeInfo(AClass.ClassInfo))^.UnitName; 
end; 
 
{$IFNDEF DFS_DELPHI_3} 
 
function TdfsLayeredFormModuleCreator.GetIntfName: string; 
begin 
  Result := ''; 
end; 
 
const 
  COMMENT_LINE = '//---------------------------------------------------------------------------' + CRLF; 
 
function TdfsLayeredFormModuleCreator.NewIntfSource(const UnitIdent, FormIdent, 
   AncestorIdent: string): string; 
begin 
  {$IFDEF DFS_CPPB} 
  Result := COMMENT_LINE + 
     '#ifndef ' + UnitIdent + 'H' + CRLF + 
     '#define ' + UnitIdent + 'H' + CRLF + 
     COMMENT_LINE + 
     '#include <Classes.hpp>' + CRLF + 
     '#include <Controls.hpp>' + CRLF + 
     '#include <StdCtrls.hpp>' + CRLF + 
     '#include <Forms.hpp>' + CRLF ; 
 
  if (AncestorIdent <> 'Form') and (FAncestorIdent <> 'DataModule') then 
    Result := Result + '#include "' + 
       GetCustomFormUnit(FAncestorClass) + '.hpp"' + CRLF; 
 
  Result := Result + COMMENT_LINE + 
     'class T' + FormIdent + ' : public ' + FAncestorClass.ClassName + CRLF + 
     '{' + CRLF + 
      '__published: // IDE-managed Components' + CRLF + 
      'private: // User declarations' + CRLF + 
      'protected: // User declarations' + CRLF + 
      'public: // User declarations' + CRLF + 
      '  __fastcall T' + FormIdent + '(TComponent* Owner);' + CRLF + 
      '__published: // User declarations' + CRLF + 
      '};' + CRLF + COMMENT_LINE + 
      'extern PACKAGE T'+FormIdent+' *'+FormIdent+';' + CRLF + COMMENT_LINE + 
      '#endif'; 
  {$ELSE} 
  Result := ''; // Delphi doesn't use this 
  {$ENDIF} 
end; 
 
{$ENDIF} 
 
function TdfsLayeredFormModuleCreator.NewModuleSource( 
   {$IFNDEF DFS_DELPHI_3} const {$ENDIF} UnitIdent, FormIdent, 
   AncestorIdent: string): string; 
begin 
  {$IFDEF DFS_CPPB} 
  Result := '// The features of TdfsLayeredForm require Windows 2000 or higher.'+ 
    CRLF + '// There should be no detrimental effects of using it on a previous'+ 
    CRLF + '// OS, the form will simply behave as a standard TForm.' + CRLF + CRLF; 
  Result := Result + COMMENT_LINE + '#include <vcl.h>' + CRLF + 
     '#pragma hdrstop' + CRLF + CRLF + 
     '#include "' + UnitIdent + '.h"' + CRLF + COMMENT_LINE + 
     '#pragma package(smart_init)' + CRLF; 
 
  if (FAncestorIdent <> 'Form') and (FAncestorIdent <> 'DataModule') then 
    Result := Result + '#pragma link "' + 
       GetCustomFormUnit(FAncestorClass) + '"' + CRLF; 
 
  Result := Result + '#pragma resource "*.dfm"' + CRLF + 
     'T' + FormIdent + ' *' + FormIdent+';' + CRLF + COMMENT_LINE + 
     '__fastcall T' + FormIdent + '::T' + FormIdent + '(TComponent* Owner)' + CRLF + 
     '        : ' + FAncestorClass.ClassName + '(Owner)' + CRLF + 
     '{' + CRLF + 
     '}' + CRLF + COMMENT_LINE; 
  {$ELSE} 
  Result := 'unit ' + FUnitIdent + ';' + CRLF + CRLF + 
     'interface' + CRLF + CRLF + 
     'uses' + CRLF + 
     '  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs'; 
 
  if (FAncestorIdent <> 'Form') and (FAncestorIdent <> 'DataModule') then 
    Result := Result + ',' + CRLF + 
       '  ' + GetCustomFormUnit(FAncestorClass); 
 
  Result := Result + ';' + CRLF + CRLF + 
     '{ The features of TdfsLayeredForm require Windows 2000 or higher.' + CRLF + 
     '  There should be no detremental effects of using it on a previous' + CRLF + 
     '  OS, the form will simply behave as a standard TForm. }' + CRLF + CRLF + 
     'type' + CRLF + 
     '  T' + FFormIdent + ' = class(' + FAncestorClass.ClassName + ')' + CRLF + 
     '  private' + CRLF + 
     '    { Private declarations }' + CRLF + 
     '  protected' + CRLF + 
     '    { Protected declarations }' + CRLF + 
     '  public' + CRLF + 
     '    { Public declarations }' + CRLF + 
     '  published' + CRLF + 
     '    { Published declarations }' + CRLF + 
     '  end;' + CRLF + CRLF + 
     'var' + CRLF + 
     '  ' + FFormIdent + ' : T' + FFormIdent + ';' + CRLF + CRLF + 
     'implementation' + CRLF + CRLF + 
     '{$R *.DFM}' + CRLF + CRLF + 
     'end.' + CRLF; 
  {$ENDIF} 
end; 
 
procedure TdfsLayeredFormModuleCreator.FormCreated(Form: TIFormInterface); 
begin 
  // do nothing 
end; 
 
{ TdfsLayeredFormExpert } 
 
function TdfsLayeredFormExpert.GetStyle: TExpertStyle; 
begin 
  // Make it show up in the object repository (File | New) 
  Result := esForm; 
end; 
 
function TdfsLayeredFormExpert.GetName: String; 
begin 
  // official name 
  Result := 'Layered Form' 
end; 
 
function TdfsLayeredFormExpert.GetAuthor: string; 
begin 
  Result := 'Bradley D. Stowers'; 
end; 
 
function TdfsLayeredFormExpert.GetComment: String; 
begin 
  Result := 'Create a new layered form in current project'; 
end; 
 
function TdfsLayeredFormExpert.GetPage: string; 
begin 
  Result := sLayeredFormObjRepositoryPage; 
end; 
 
function TdfsLayeredFormExpert.GetGlyph: HICON; 
begin 
  Result := LoadIcon(hInstance, 'TdfsLayeredForm'); 
end; 
 
function TdfsLayeredFormExpert.GetState: TExpertState; 
begin 
  // not used in a esForm expert 
  Result := [esEnabled]; 
end; 
 
function TdfsLayeredFormExpert.GetIDString: String; 
begin 
  // must be unique 
  Result := 'DelphiFreeStuff.TdfsLayeredFormWizard'; 
end; 
 
function TdfsLayeredFormExpert.GetMenuText: string; 
begin 
  Result := ''; // not used for esForm, just here to shut up the compiler warning. 
end; 
 
procedure TdfsLayeredFormExpert.Execute; 
var 
  IModuleCreator : TdfsLayeredFormModuleCreator; 
  IModule : TIModuleInterface; 
begin 
  IModuleCreator := TdfsLayeredFormModuleCreator.Create; 
  try 
    IModuleCreator.FAncestorIdent := 'dfsLayeredForm'; // Don't include the 'T'!!!! 
    IModuleCreator.FAncestorClass := TdfsLayeredForm; 
    ToolServices.GetNewModuleAndClassName(IModuleCreator.FAncestorIdent, 
    IModuleCreator.FUnitIdent,IModuleCreator.FFormIdent,IModuleCreator.FFileName); 
    {$IFDEF DFS_DELPHI_3} 
    IModule := ToolServices.ModuleCreate(IModuleCreator, [cmShowSource, 
       cmShowForm, cmMarkModified, cmAddToProject, cmUnNamed]); 
    {$ELSE} 
    IModule:=ToolServices.ModuleCreateEx(IModuleCreator, [cmShowSource, 
       cmShowForm, cmMarkModified, cmAddToProject, cmUnNamed]); 
    {$ENDIF} 
    IModule.Free; 
  finally 
    IModuleCreator.Free; 
  end; 
end; 
        
 
end.