{
Double Commander
-------------------------------------------------------------------------
Help manager
Copyright (C) 2008-2021 Alexander Koblov (alexx2000@mail.ru)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see .
}
unit dmHelpManager;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, LResources, Forms, Controls, Dialogs, LazHelpHTML;
type
{ TdmHelpManager }
TdmHelpManager = class(TDataModule)
HTMLBrowserHelpViewer: THTMLBrowserHelpViewer;
HTMLHelpDatabase: THTMLHelpDatabase;
procedure DataModuleCreate(Sender: TObject);
private
{ private declarations }
public
{ public declarations }
end;
procedure ShowHelpForKeywordWithAnchor(const Keyword: String);
var
dmHelpMgr: TdmHelpManager;
implementation
{$R *.lfm}
uses
{$IFDEF MSWINDOWS}
LCLIntf, uOSUtils, uFileProcs,
{$ELSE}
HelpIntfs,
{$ENDIF}
uGlobsPaths, uGlobs, DCStrUtils, DCOSUtils, StrUtils, DCClassesUtf8;
{$IF DEFINED(MSWINDOWS)}
procedure OpenURLWithAnchor(URL: String);
var
hFile:THandle;
TempoFilenameWithTheLink: String;
begin
TempoFilenameWithTheLink:= GetTempFolderDeletableAtTheEnd + 'FileWithALink.html';
hFile:= mbFileCreate(TempoFilenameWithTheLink);
if hFile <> feInvalidHandle then
try
FileWriteLn(hFile,'');
FileWriteLn(hFile,'');
// In case browser doesn't support auto-redirection, give a link to user.
FileWriteLn(hFile,'Click here for help');
FileWriteLn(hFile,'');
finally
FileClose(hFile);
end;
if mbFileExists(TempoFilenameWithTheLink) then OpenURL(TempoFilenameWithTheLink);
end;
{$ENDIF}
procedure ShowHelpForKeywordWithAnchor(const Keyword: String);
{$IF DEFINED(MSWINDOWS)}
begin
OpenURLWithAnchor(dmHelpMgr.HTMLHelpDatabase.BaseURL + Keyword);
end;
{$ELSE}
begin
ShowHelpOrErrorForKeyword('', Keyword);
end;
{$ENDIF}
{ TdmHelpManager }
procedure TdmHelpManager.DataModuleCreate(Sender: TObject);
{$IFDEF MSWindows}
var
ABrowser, AParams: String;
{$ENDIF}
var
ATranslations: TStringList;
begin
if NumCountChars('.', gPOFileName) < 2 then
gHelpLang:= 'en'
else begin
gHelpLang:= ExtractDelimited(2, gPOFileName, ['.']);
if not mbDirectoryExists(gpExePath + 'doc' + PathDelim + gHelpLang) then
begin
ATranslations:= TStringListEx.Create;
try
ATranslations.LoadFromFile(gpExePath + 'doublecmd.help');
if ATranslations.IndexOf(gHelpLang) < 0 then gHelpLang:= 'en';
except
gHelpLang:= 'en';
end;
ATranslations.Free;
end;
end;
if mbDirectoryExists(gpExePath + 'doc' + PathDelim + gHelpLang) then
HTMLHelpDatabase.BaseURL:= 'file://' + gpExePath + 'doc' + PathDelim + gHelpLang
else begin
HTMLHelpDatabase.BaseURL:= 'https://doublecmd.github.io/doc/' + gHelpLang;
end;
HTMLHelpDatabase.KeywordPrefix:= '/';
{$IFDEF MSWindows}
// Lazarus issue #0021637.
if FindDefaultBrowser(ABrowser, AParams) then
begin
HTMLBrowserHelpViewer.BrowserPath := ABrowser;
HTMLBrowserHelpViewer.BrowserParams := StringReplace(AParams, '%s', '"%s"', [rfReplaceAll]);
end;
{$ENDIF}
end;
end.