david
fff1b2a4dc
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.SDAC@3 6f543ec7-021b-7e4c-98c9-62eafc7fb9a8
141 lines
3.1 KiB
ObjectPascal
141 lines
3.1 KiB
ObjectPascal
{$IFNDEF CLR}
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{$I Dac.inc}
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unit HelpUtils;
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{$ENDIF}
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interface
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{$IFDEF MSWINDOWS}
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uses
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{$IFDEF VER8P}
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Dialogs,
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{$ELSE}
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Forms,
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{$ENDIF}
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SysUtils;
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{$ENDIF}
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procedure ShowHelp(HelpFile, JumpID: string);
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procedure OpenUrl(Url: string);
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procedure MailTo(Address: string);
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implementation
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{$IFDEF MSWINDOWS}
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uses
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{$IFDEF VER8P}
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{$IFDEF CLR}
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System.ComponentModel.Design,
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Borland.Studio.ToolsAPI,
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Borland.Vcl.HelpIntfs,
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{$ELSE}
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HelpIntfs,
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{$ENDIF}
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{$ENDIF}
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Registry, ShellAPI, ShlObj, Windows;
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{$ENDIF}
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{$IFDEF VER8P}
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type
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IApiHelpSystem = {$IFDEF CLR}IHelpService{$ELSE}IHelpSystem{$ENDIF};
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{$ENDIF}
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procedure ShowHelp(HelpFile, JumpID: string);
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{$IFDEF MSWINDOWS}
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var
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{$IFDEF VER8P}
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HelpSystem: IApiHelpSystem;
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{$ELSE}
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OldFile: string;
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{$ENDIF}
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{$ENDIF}
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begin
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{$IFDEF MSWINDOWS}
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{$IFDEF VER8P}
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{$IFDEF CLR}
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HelpSystem := BorlandIDE.GetService(typeof(IHelpService)) as IHelpService;
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{$ELSE}
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GetHelpSystem(HelpSystem);
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{$ENDIF}
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if Assigned(HelpSystem) then
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{$IFDEF CLR}
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try
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HelpSystem.ShowHelpFromUrl(JumpID)
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except on E: Exception do
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{$IFNDEF VER9}
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MessageDlg(e.Message, mtError, [mbOk], 0);
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{$ENDIF}
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end
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{$ELSE}
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HelpSystem.ShowTopicHelp(JumpID, HelpFile)
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{$ENDIF}
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else
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MessageDlg('Failed to use IDE HelpSystem', mtError, [mbOk], 0);
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{$ELSE}
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OldFile := Application.HelpFile;
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try
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Application.HelpFile := HelpFile;
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Application.HelpJump(JumpID);
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finally
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Application.HelpFile := OldFile;
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end;
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{$ENDIF}
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{$ENDIF}
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end;
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procedure OpenUrl(Url: string);
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{$IFDEF MSWINDOWS}
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var
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htmlDescription: string;
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shellcommand: string;
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i: integer;
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Path: {$IFDEF WIN32}array[0..MAX_PATH] of char{$ELSE}string{$ENDIF};
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Filename: string;
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{$ENDIF}
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begin
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{$IFDEF MSWINDOWS}
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Filename := '';
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with TRegistry.Create do begin
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RootKey := HKEY_CLASSES_ROOT;
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if OpenKey('.htm', False) and KeyExists('') then begin
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htmlDescription := ReadString('');
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CloseKey;
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if OpenKey(htmlDescription + '\shell\open\Command', False) and KeyExists('') then begin
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shellcommand := ReadString('');
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for i := Length(shellcommand) downto 1 do
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if shellcommand[i] = ' ' then begin
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FileName := Copy(shellcommand, 2, i - 3);
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if not FileExists(Filename) then
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Filename := '';
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break;
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end;
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end;
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end;
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end;
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if Filename = '' then begin
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{$IFDEF WIN32}
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SHGetSpecialFolderPath(0, Path, $26{CSIDL_PROGRAM_FILES}, False);
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{$ELSE}
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Path := Environment.GetFolderPath(System.Environment.SpecialFolder.ProgramFiles);
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{$ENDIF}
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FileName := Path + '\Internet Explorer\iexplore.exe';
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end;
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{$IFDEF WIN32}
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ShellExecute(0, 'open', PChar(Filename), PChar(Url), '', SW_SHOW);
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{$ELSE}
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ShellExecute(0, 'open', Filename, Url, '', SW_SHOW);
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{$ENDIF}
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{$ENDIF}
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end;
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procedure MailTo(Address: string);
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begin
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{$IFDEF MSWINDOWS}
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ShellExecute(0, 'open', {$IFDEF WIN32}PChar('mailto:' + Address){$ELSE}'mailto:' + Address{$ENDIF},
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'', '', SW_SHOW);
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{$ENDIF}
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end;
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end.
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