RoboHelp is not designed to produce online help for right to left languages. That presented Nokia's Pertti Metsanheimo with a problem but with the assistance of Willam van Weelden, he was able to produce the procedure set out below.
Please note that it is for WebHelp only, not for compiled Microsoft HTML Help (CHM).
FrameMaker now supports right to left languages and can generate a RoboHelp output. That might be a better solution.
UPDATE 20 FEB 2017 -
This page was written for use with RoboHelp 7. It may not work with later versions but I leave the page available in the hope it helps. I would welcome any feedback regarding use with later versions of RoboHelp.
Overview of the steps
Create a RoboHelp project in a left to right language.
Create a copy of the project for each language. It helps to include the name of the language in the root folder name.
Translate as described in Get Your Files Translated.
Copy the edited files back into the appropriate copy project using Windows Explorer.
Generate the webhelp output.
At this stage, the topics will be right to left but the navigation pane and buttons will be in their usual position. Changing that is described in Post Generation Processing.
You are using a version of Robohelp that uses UTF-8 encoding. My results are with version 7.02.01
The topics in your original left to right project do not use any RoboHelp specific features such as conditional build tags, snippets and variables. It may be possible to use these features with additional steps but that is outside the scope of these procedures.
You are comfortable with editing HTML files (and similar) in a text editor. Notepad can be used but for editing a large number of file you may prefer to use Helpware's FAR or PSPad. Be careful using their find and replace function and the character sets used.
Notepad will work for editing the necessary files, if you only need to change a few. For replacing tags or strings in larger amounts of files, I have used Helpware FAR and PSPad editor. Just be careful with charactersets (UTF-8, ANSI, Windows-1256, etc) and what exactly you ask them to find and replace.
If you need to create RTL WebHelps often, your friendly engineer can write a few lines of code that will do it automagically. We have a FinalBuilder 6 project that will extract the resource files from version control, generate the helps, make the changes listed in the Post Generation Processing section, below, put the output files where we want them, and inform those who need to know.
Get your files translated
Replace the <html> tag at the top of every resource HTML file with <html dir=RTL>
If pages contain tables, you may have to edit the table formatting, especially “border-right” and “border-left” definitions so that borders appear where they should.
.hhc and .hhk files
Translate just like in any other language
The Title in the .hhp file may be localised
This file contains texts that appear on the “Help UI”. Get the texts translated. There are two identical RoboHHRE.lng files in the project: one at the root level in the folder structure, one in the ‘!Language!\ [Language-identifier] folder. I put my translated file in the ‘en_UK’ folder because I did not manage to add language names to the Robohelp Project Settings.
You may need to edit the .css file that you are using for the help.
larger fonts may be needed if you use very small ones in the original
left and right alignment may need to be swapped in some styles, eg. margin-left: and margin-right:
Using Windows Explorer, copy these files into the copy project for the relevant language. The file names must not be changed in any way.
It makes sense to name the root folder of the localised project according to the language.
Generate the help
Open the help project using the .xpj file.
Check Project Settings (File > Project Settings):
Select Primary Layout (WebHelp)
Select Language. Choose the language that matches the location of the translated RoboHHRE.lng file.
Go via the File menu if you want to check the settings
Click the Generate Primary Layout button to start Generating immediately.
Post Generation Processing
At this point your help will look like this. Whilst the topics are right to left aligned, the navigation pane and tool bar will be in their normal positions.
Update 18th August 2013. In RoboHelp 10 some of line numbers have changed but you should be able to locate them from the information below. Also you can download ready modified files from Willam van Weelden's site.
Replace the <html> tag at the top of all output HTML files with <html dir=RTL>
This corrects the toolbar position and the navigation pane is right to left aligned. However, the position and indentation are not right.
Edit file whskin_frmset01.htm to put the Navigation Pane on the right: