Class: Yast::InstLanguageAddOnClient

Inherits:
Client
  • Object
show all
Defined in:
src/clients/inst_language_add-on.rb

Instance Method Summary (collapse)

Instance Method Details

- (Object) Dialog_Init

Dialog definitions –>



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# File 'src/clients/inst_language_add-on.rb', line 150

def Dialog_Init
  Wizard.SetContentsButtons(
    # TRANSLATORS: dialog caption
    _("Add-On Product Installation"),
    # TRANSLATORS: dialog content - a very simple label
    Label(_("Initializing...")),
    # TRANSLATORS: help text
    _("<p>Initializing add-on products...</p>"),
    Label.BackButton,
    Label.NextButton
  )
  Wizard.SetTitleIcon("yast-language")
  Wizard.DisableBackButton
  Wizard.DisableAbortButton
  Wizard.DisableNextButton

  nil
end

- (Object) Dialog_SelectLanguages(available_languages, already_installed_languages)



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# File 'src/clients/inst_language_add-on.rb', line 282

def Dialog_SelectLanguages(available_languages, already_installed_languages)
  available_languages = deep_copy(available_languages)
  if available_languages == nil || available_languages == []
    Builtins.y2error("No availabel languages")
    return nil
  elsif Builtins.size(available_languages) == 1
    Builtins.y2milestone(
      "Only one language available, using %1",
      available_languages
    )
    return deep_copy(available_languages)
  else
    known_languages = Language.GetLanguagesMap(false)

    short_to_lang = {}
    Builtins.foreach(available_languages) do |one_lang|
      # full xx_YY
      if Ops.get(known_languages, one_lang) != nil
        Ops.set(
          short_to_lang,
          one_lang,
          Ops.get_string(known_languages, [one_lang, 4], "")
        ) 
        # xx only without _YY
      else
        found = false
        Builtins.foreach(known_languages) do |lang_short, lang_params|
          if Builtins.regexpmatch(
              lang_short,
              Builtins.sformat("%1_.*", one_lang)
            )
            Ops.set(
              short_to_lang,
              one_lang,
              Builtins.tostring(Ops.get_string(lang_params, 4, ""))
            )
            found = true
            raise Break
          end
        end
        if !found
          Builtins.y2warning("Couldn't find language for '%1'", one_lang)
          # TRANSLATORS: multiselection box item, %1 stands for 'ar', 'mk', 'zh_TW'
          # it used only as a fallback
          Ops.set(
            short_to_lang,
            one_lang,
            Builtins.sformat(_("Language %1"), one_lang)
          )
        end
      end
    end

    Builtins.y2milestone("%1", short_to_lang)
    selected_languages = (
      short_to_lang_ref = arg_ref(short_to_lang);
      already_installed_languages_ref = arg_ref(
        already_installed_languages.value
      );
      _Dialog_SelectLanguagesUI_result = Dialog_SelectLanguagesUI(
        short_to_lang_ref,
        already_installed_languages_ref
      );
      short_to_lang = short_to_lang_ref.value;
      already_installed_languages.value = already_installed_languages_ref.value(
      );
      _Dialog_SelectLanguagesUI_result
    )

    return deep_copy(selected_languages)
  end
end

- (Object) Dialog_SelectLanguagesUI(known_languages, already_installed_languages)



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# File 'src/clients/inst_language_add-on.rb', line 172

def Dialog_SelectLanguagesUI(known_languages, already_installed_languages)
  items = []
  pre_selected_languages = []
  pre_selected = nil

  # for each language supported on the medium
  Builtins.foreach(known_languages.value) do |short, long|
    # installed is 'de' or 'cs' or 'zh'
    if Builtins.contains(already_installed_languages.value, short)
      pre_selected = true 
      # installed is 'de_XY' or 'cs_AB' or 'zh_CD'
      # but not on the medium, find similar
    elsif Ops.greater_than(Builtins.size(short), 2)
      language_substring = Builtins.substring(short, 0, 2)
      if Builtins.contains(
          already_installed_languages.value,
          language_substring
        )
        pre_selected = true
      else
        pre_selected = false
      end
    else
      pre_selected = false
    end
    if pre_selected
      pre_selected_languages = Builtins.add(
        pre_selected_languages,
        Builtins.sformat("%1 (%2)", short, long)
      )
    end
    items = Builtins.add(items, Item(Id(short), long, pre_selected))
  end
  Builtins.y2milestone("Preselected languages: %1", pre_selected_languages)

  items = Builtins.sort(items) do |x, y|
    Ops.less_than(Ops.get_string(x, 1, ""), Ops.get_string(y, 1, ""))
  end
  Wizard.SetContentsButtons(
    # TRANSLATORS: dialog caption
    _("Add-On Product Installation"),
    VBox(
      HBox(
        HStretch(),
        MultiSelectionBox(
          Id("languages"),
          # TRANSLATORS:: multi-selection box
          _("&Select Language Extensions to Be Installed"),
          items
        ),
        HStretch()
      )
    ),
    # TRANSLATORS: help text
    _(
      "<p>Select the language extensions to be installed then click <b>OK</b>.</p>"
    ),
    Label.BackButton,
    Label.OKButton
  )
  Wizard.SetTitleIcon("yast-language")
  Wizard.DisableBackButton
  Wizard.EnableAbortButton
  Wizard.EnableNextButton

  selected_languages = nil
  ret = nil
  while true
    ret = UI.UserInput

    if ret == :cancel || ret == :abort
      if Popup.YesNo(
          # TRANSLATORS: popup question
          _(
            "Are you sure you want to abort the add-on product installation?"
          )
        )
        selected_languages = []
        break
      end
    elsif ret == :next
      selected_languages = Convert.convert(
        UI.QueryWidget(Id("languages"), :SelectedItems),
        :from => "any",
        :to   => "list <string>"
      )
      if Builtins.size(selected_languages) == 0
        if !Popup.YesNo(
            _(
              "There are no selected languages to be installed.\nAre you sure you want to abort the installation?"
            )
          )
          next
        else
          Builtins.y2warning(
            "User decided not to install any language support."
          )
        end
      end

      break
    end
  end

  deep_copy(selected_languages)
end

- (Array<String>) GetListOfSupportedLanguages(source)

Returns the list of available languages. It is based on the “LINGUAS” entry in the /content file. Returns nil if something is wrong.

Returns:

  • (Array<String>)

    supported languages (e.g., [“af”, “ar”, “be_BY”, “bg”, “ca”, “cs”, “cy”, “da”, “el”, “et”, “fi”])



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# File 'src/clients/inst_language_add-on.rb', line 49

def GetListOfSupportedLanguages(source)
  content_file = Pkg.SourceProvideSignedFile(source, 1, "/content", false)
  if content_file == nil || content_file == ""
    Builtins.y2error("There is no content file!")
    return nil
  end

  SCR.RegisterAgent(
    path(".media.content"),
    term(
      :ag_ini,
      term(
        :IniAgent,
        content_file,
        {
          "options"  => ["read_only", "global_values", "flat"],
          "comments" => ["^#.*", "^[ \t]*$"],
          "params"   => [
            {
              "match" => [
                "^[ \t]*([a-zA-Z0-9_.]+)[ \t]*(.*)[ \t]*$",
                "%s %s"
              ]
            }
          ]
        }
      )
    )
  )
  supported_languages = Builtins.tostring(
    SCR.Read(path(".media.content.LINGUAS"))
  )
  if supported_languages == nil || supported_languages == ""
    Builtins.y2error("No languages [LINGUAS] defined!")
    return nil
  end

  Builtins.y2milestone("Languages found: %1", supported_languages)
  SCR.UnregisterAgent(path(".media.content"))

  Builtins.splitstring(supported_languages, " ")
end

- (Object) InitFunction

Only when WFM::Args contains an URL to be added



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# File 'src/clients/inst_language_add-on.rb', line 121

def InitFunction
  args = WFM.Args
  Builtins.y2milestone("Args: %1", args)
  add_on_url = Builtins.tostring(Ops.get_string(args, 1, ""))

  if add_on_url == ""
    Builtins.y2milestone(
      "No URL given as an argument, not initializing source."
    )
    return
  end

  Builtins.y2milestone("Using URL: '%1'", add_on_url)

  Yast.import "PackageCallbacks"
  Yast.import "SourceManager"

  PackageCallbacks.InitPackageCallbacks

  Pkg.TargetInit("/", true)
  Pkg.SourceStartManager(true)

  SourceManager.createSource(add_on_url)

  nil
end

- (Object) Install(languages_to_install)

Solves dependencies and installs packages



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# File 'src/clients/inst_language_add-on.rb', line 93

def Install(languages_to_install)
  languages_to_install = deep_copy(languages_to_install)
  Builtins.y2milestone(
    "Installing packages for languages: %1",
    languages_to_install
  )
  Pkg.SetAdditionalLocales(languages_to_install)

  Builtins.y2milestone("Solving dependencies")
  if Pkg.PkgSolve(true) != true
    Builtins.y2error("Cannot solve dependencies")
    return false
  end

  Builtins.y2milestone("Installing packages")
  WFM.call("inst_rpmcopy")

  Kernel.InformAboutKernelChange

  Popup.Message(
    # TRANSLATORS: popup message
    _("Installation of the Language Extension has been finished.")
  )

  true
end

- (Object) main



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# File 'src/clients/inst_language_add-on.rb', line 15

def main
  Yast.import "UI"
  Yast.import "Pkg"
  Yast.import "Kernel"
  Yast.import "Language"
  Yast.import "Wizard"
  Yast.import "Label"
  Yast.import "Popup"

  textdomain "add-on"

  Wizard.CreateDialog
  Builtins.y2milestone(
    "====================[ Language Add-On Script ]===================="
  )
  @ret = MainFunction()
  Builtins.y2milestone(
    "====================[ Language Add-On Script ]===================="
  )
  Wizard.CloseDialog

  if @ret == 0
    return :next
  else
    return :abort
  end
end

- (Object) MainFunction

Dialog definitions <–



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# File 'src/clients/inst_language_add-on.rb', line 357

def MainFunction
  Dialog_Init()

  # This call can be removed
  InitFunction()

  # Finding out the source, can be also used AddOnProduct::src_id
  # but this is better for testing
  all_sources = Pkg.SourceGetCurrent(true)
  all_sources = Builtins.sort(all_sources) { |x, y| Ops.less_than(x, y) }
  source = Ops.get(
    all_sources,
    Ops.subtract(Builtins.size(all_sources), 1),
    -1
  )
  Pkg.SourceSetEnabled(source, true)

  # one language   -> preselect it and install
  # more languages -> let user decides
  available_languages = GetListOfSupportedLanguages(source)
  if available_languages == nil || available_languages == []
    Builtins.y2error("No languages available!")
    return 10
  end

  # bugzilla #217052
  # some languages should be pre-selected (already installed, at least partly)
  installed_languages = Pkg.ResolvableProperties("", :language, "")
  already_installed_languages = []
  Builtins.foreach(installed_languages) do |language|
    if Ops.get(language, "status") == :installed
      if Ops.get(language, "name") != nil
        already_installed_languages = Builtins.add(
          already_installed_languages,
          Ops.get_string(language, "name", "")
        )
      else
        Builtins.y2error("Language %1 has no 'name'", language)
      end
    end
  end

  Builtins.y2milestone(
    "Already installed languages: %1",
    already_installed_languages
  )
  selected_languages = (
    already_installed_languages_ref = arg_ref(already_installed_languages);
    _Dialog_SelectLanguages_result = Dialog_SelectLanguages(
      available_languages,
      already_installed_languages_ref
    );
    already_installed_languages = already_installed_languages_ref.value;
    _Dialog_SelectLanguages_result
  )
  if selected_languages == nil || selected_languages == []
    Builtins.y2warning("User did not select any language, finishing...")
    return 15
  end

  if Install(selected_languages) != true
    Builtins.y2error("Error occured during installation")
    return 20
  end

  0
end