david
78ab77cd4c
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.jvcl@19 7f62d464-2af8-f54e-996c-e91b33f51cbe
141 lines
3.8 KiB
ObjectPascal
141 lines
3.8 KiB
ObjectPascal
{-----------------------------------------------------------------------------
|
|
The contents of this file are subject to the Mozilla Public License
|
|
Version 1.1 (the "License"); you may not use this file except in compliance
|
|
with the License. You may obtain a copy of the License at
|
|
http://www.mozilla.org/MPL/MPL-1.1.html
|
|
|
|
Software distributed under the License is distributed on an "AS IS" basis,
|
|
WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
|
|
the specific language governing rights and limitations under the License.
|
|
|
|
The Original Code is: JvDataEmbeddedEditor.PAS, released on 2001-02-28.
|
|
|
|
The Initial Developer of the Original Code is Sébastien Buysse [sbuysse att buypin dott com]
|
|
Portions created by Sébastien Buysse are Copyright (C) 2001 Sébastien Buysse.
|
|
All Rights Reserved.
|
|
|
|
Contributor(s): Michael Beck [mbeck att bigfoot dott com].
|
|
|
|
You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
|
|
located at http://jvcl.delphi-jedi.org
|
|
|
|
Known Issues:
|
|
-----------------------------------------------------------------------------}
|
|
// $Id: JvDataEmbeddedEditor.pas 12461 2009-08-14 17:21:33Z obones $
|
|
|
|
unit JvDataEmbeddedEditor;
|
|
|
|
{$I jvcl.inc}
|
|
|
|
interface
|
|
|
|
uses
|
|
SysUtils, Classes, Dialogs,
|
|
DesignEditors, DesignIntf, DesignMenus,
|
|
JvDataEmbedded;
|
|
|
|
type
|
|
TJvDataEmbeddedEditor = class(TComponentEditor)
|
|
private
|
|
procedure LoadDataFromFile(Comp: TJvDataEmbedded);
|
|
procedure ViewAsText;
|
|
public
|
|
function GetVerbCount: Integer; override;
|
|
function GetVerb(Index: Integer): string; override;
|
|
procedure ExecuteVerb(Index: Integer); override;
|
|
procedure PrepareItem(Index: Integer; const AItem: IMenuItem); override;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
JvDsgnConsts,
|
|
Windows, ShellAPI,
|
|
JclFileUtils;
|
|
|
|
procedure TJvDataEmbeddedEditor.LoadDataFromFile(Comp: TJvDataEmbedded);
|
|
var
|
|
Stream: TFileStream;
|
|
MemStream: TMemoryStream;
|
|
begin
|
|
MemStream := TMemoryStream(Comp.Data);
|
|
with TOpenDialog.Create(nil) do
|
|
try
|
|
Filter := RsAllFilesFilter;
|
|
if Execute then
|
|
begin
|
|
Stream := TFileStream.Create(FileName, fmOpenRead or fmShareDenyWrite);
|
|
try
|
|
MemStream.Clear;
|
|
MemStream.CopyFrom(Stream, 0);
|
|
// (rom) made this procedure a method and modify designer to make it work
|
|
Designer.Modified;
|
|
finally
|
|
Stream.Free;
|
|
end;
|
|
end;
|
|
finally
|
|
Free;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvDataEmbeddedEditor.ExecuteVerb(Index: Integer);
|
|
begin
|
|
case Index of
|
|
0:
|
|
LoadDataFromFile(Component as TJvDataEmbedded);
|
|
1:
|
|
(Component as TJvDataEmbedded).Size := 0;
|
|
2:
|
|
ViewAsText;
|
|
end;
|
|
end;
|
|
|
|
function TJvDataEmbeddedEditor.GetVerb(Index: Integer): string;
|
|
begin
|
|
case Index of
|
|
0:
|
|
Result := RsLoadFromFileEllipsis;
|
|
1:
|
|
Result := RsClearEmbeddedData;
|
|
2:
|
|
Result := RsViewEmbeddedDataAsText;
|
|
end;
|
|
end;
|
|
|
|
function TJvDataEmbeddedEditor.GetVerbCount: Integer;
|
|
begin
|
|
Result := 3;
|
|
end;
|
|
|
|
procedure TJvDataEmbeddedEditor.PrepareItem(Index: Integer; const AItem: IMenuItem);
|
|
begin
|
|
inherited PrepareItem(Index, AItem);
|
|
case Index of
|
|
1, 2:
|
|
AItem.Enabled := (Component as TJvDataEmbedded).Data.Size > 0;
|
|
end;
|
|
end;
|
|
|
|
procedure TJvDataEmbeddedEditor.ViewAsText;
|
|
var
|
|
F: TFileStream;
|
|
S: string;
|
|
begin
|
|
S := FileGetTempName('JVCL');
|
|
F := TFileStream.Create(S, fmCreate);
|
|
try
|
|
(Component as TJvDataEmbedded).DataSaveToStream(F);
|
|
finally
|
|
F.Free;
|
|
end;
|
|
ShellExecute(GetActiveWindow, 'open','notepad.exe',
|
|
PChar(S), PChar(ExtractFilePath(S)), SW_SHOWNORMAL);
|
|
// (p3) not 100% kosher, but seems to work most of the time
|
|
// if anyone knows a better way to delete the temp file, please fix
|
|
Sleep(300);
|
|
DeleteFile(PChar(S));
|
|
end;
|
|
|
|
end.
|