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i18n multilanguage webapps

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  • i18n multilanguage webapps

    I'm new to Alpha5 and want to create multilanguage webapps eg dutch & french. What would the best way be to do this besides creating 2 versions which is not maintainable ? Thx

    Tell me and I'll forget; show me and I may remember; involve me and I'll understand

  • #2
    Re: i8n multilanguage webapps

    Hi Frank,

    Very simply you will need a page for each language.

    Most sites with multi languages have flags of each country for the user to click on to show the text in the selected language.
    Keith Hubert
    Alpha Guild Member
    KHDB Management Systems
    Skype = keith.hubert

    For your day-to-day Needs, you Need an Alpha Database!


    • #3
      Re: i8n multilanguage webapps

      Or, same A5W pages but put all of your content (text, etc) in the database. Display it on the A5W page using code that filters the record by selected language. For instance,

      rather than typing "Hello". Use a table with this structure and extract the correct language for a given phrase.

      Table Name is CONTENT
      Language - Eg,Gr, Fr, etc.
      Phrase - the key like Greeting, WelcomeNote, WarningNotice, or just Phrase1, Phrase2, etc.
      Content - the actual content in the appropriate language.

      Index it on Language+Phrase, so an index key might be EgGreeting.

      So if you wanted to place a Greeting phrase, you would use this expression:


      Note - if your text is long, you need to use table.external_record_content_get() instead of lookupc() which maxs out at 1024 characters.

      Get the desired language into the session.language using a dialog or hyperlink. Default it to something when they first get to the website.

      For management, the table above can be the MANY side of two other tables - LANGUAGE and PHRASE. So you could see all the Phrases for a given language, or all the Languages for a given Phrase.
      Steve Wood
      There is no Cloud. It's just someone else's computer.
      Web - Mobile - Hosting - Products - Frameworks - Developer Resources
      AlphaToGo | IADN (100% Alpha Anywhere Websites)


      • #4
        Re: i8n multilanguage webapps


        Thx for your extensive input. How would you handle text in bubble help ? Does A5 have something like macro substitution like we used to have in clipper with the '&' prefix before a variable ? Hope you get what I mean

        Tell me and I'll forget; show me and I may remember; involve me and I'll understand


        • #5
          Re: i8n multilanguage webapps

          I wrote several utilities with Clipper5 that used macro substitution, but I don't think it applies here. The bubble help is built in to the model, one entry per field. You would have to modify the contents of the bubble help at page runtime. If search for UPLOAD and STRITRAN you will find examples. But it would be a real pain for the multiple fields you wanted to provide help.

          A better way is to look at some of the free javascript bubble help systems. You would use what I described in the last post to pre-post content to a what would be a javascript popup or rollover message box. Then place an HELP type icon next to the fields you want to provide help for. You could probably use this same method to apply the rollover to the bubble help. That would take some investigation.

          With this method, your page has to render all of the help text even if it is never used. An even better method is to use AJAX to retrieve help from a table at request time.

          But all of these options require you to build a complete help system outside of what is provided.

          I'll tell you the way I do it, but one help text per page. I have a table like above (just one language) and I reference the help text, place it somewhere on my page, using:


          See attached image.
          Steve Wood
          There is no Cloud. It's just someone else's computer.
          Web - Mobile - Hosting - Products - Frameworks - Developer Resources
          AlphaToGo | IADN (100% Alpha Anywhere Websites)