mmenvprp.pas

一套及时通讯的原码

{========================================================================}
{=                (c) 1995-98 SwiftSoft Ronald Dittrich                 =}
{========================================================================}
{=                          All Rights Reserved                         =}
{========================================================================}
{=  D 01099 Dresden             = Tel.: [phone]                   =}
{=  Loewenstr.7a                = [e-mail]                     =}
{========================================================================}
{=  Actual versions on http://www.swiftsoft.de/mmtools.html             =}
{========================================================================}
{=  This code is for reference purposes only and may not be copied or   =}
{=  distributed in any format electronic or otherwise except one copy   =}
{=  for backup purposes.                                                =}
{=                                                                      =}
{=  No Delphi Component Kit or Component individually or in a collection=}
{=  subclassed or otherwise from the code in this unit, or associated   =}
{=  .pas, .dfm, .dcu, .asm or .obj files may be sold or distributed     =}
{=  without express permission from SwiftSoft.                          =}
{=                                                                      =}
{=  For more licence informations please refer to the associated        =}
{=  HelpFile.                                                           =}
{========================================================================}
{=  $Date: 20.01.1998 - 18:00:00 $                                      =}
{========================================================================}
unit MMEnvPrp;

{$I COMPILER.INC}

interface

uses
{$IFDEF WIN32}
    Windows,
{$ELSE}
    WinTypes,
    WinProcs,
{$ENDIF}

{$IFDEF DELPHI6}
    DesignIntf,
    DesignEditors,
{$ELSE}
    DsgnIntf,
{$ENDIF}

    SysUtils,
    Messages,
    Consts,
    Classes,
    Controls,
    MMEnvelp,
    MMEnvDlg;

type
  {-- TMMEnvelopePointProperty ------------------------------------------}
  TMMEnvelopePointProperty = class(TClassProperty)
  public
    procedure Edit; override;
    function  GetAttributes: TPropertyAttributes; override;
  end;

  {-- TMMEnvelopeEditor -------------------------------------------------}
  TMMEnvelopeEditor = class(TComponentEditor)
  public
    procedure ExecuteVerb(Index: Integer); override;
    function  GetVerb(Index: Integer): string; override;
    function  GetVerbCount: Integer; override;
  end;

implementation

{== TMMEnvelopePointProperty ============================================}
function TMMEnvelopePointProperty.GetAttributes: TPropertyAttributes;
begin
   Result := [paDialog];
end;

{-- TMMEnvelopePointProperty --------------------------------------------}
procedure TMMEnvelopePointProperty.Edit;
begin
   with TMMEnvelopeDlg.Create(nil) do
   try
      with (GetComponent(0) as TMMEnvelope) do
      begin
         SetAllRanges(RangeMinX,RangeMaxX,RangeMinY,RangeMaxY,BaseY);
         Envelope.MoveFirstPoint := MoveFirstPoint;
         Envelope.MoveLastPoint := MoveLastPoint;
      end;

      Envelope.Points := TMMEnvelopePointList(GetOrdValue);

      if ShowModal = mrOK then
      begin
         SetOrdValue(Longint(Envelope.Points));
         Self.Designer.Modified;
      end;

   finally
      Free;
   end;
end;

{== TMMEnvelopeEditor ===================================================}
procedure TMMEnvelopeEditor.ExecuteVerb(Index: Integer);
begin
   with TMMEnvelopeDlg.Create(nil) do
   try
      with (Component as TMMEnvelope) do
      begin
         SetAllRanges(RangeMinX,RangeMaxX,RangeMinY,RangeMaxY,BaseY);
      end;

      Envelope.Points := (Component as TMMEnvelope).Points;
      Envelope.MoveFirstPoint := (Component as TMMEnvelope).MoveFirstPoint;
      Envelope.MoveLastPoint := (Component as TMMEnvelope).MoveLastPoint;

      if ShowModal = mrOK then
      begin
         (Component as TMMEnvelope).Points := Envelope.Points;
         Self.Designer.Modified;
      end;

   finally
      Free;
   end;
end;

{-- TMMEnvelopeEditor ---------------------------------------------------}
function TMMEnvelopeEditor.GetVerb(Index: Integer): string;
begin
   Result := 'Envelope Editor...';
end;

{-- TMMEnvelopeEditor ---------------------------------------------------}
function TMMEnvelopeEditor.GetVerbCount: Integer;
begin
   Result := 1;
end;

end.