Class: Yast::SlidesClass

Inherits:
Module
  • Object
show all
Defined in:
library/packages/src/modules/Slides.rb

Instance Method Summary collapse

Instance Method Details

#CheckBasePath ⇒ Boolean

Check, if the base path set up for slides is valid (it exists and contains slides)

Returns:

  • (Boolean) —

    true, if it is possible to load the slides



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# File 'library/packages/src/modules/Slides.rb', line 214

def CheckBasePath
  tmp = Convert.to_map(WFM.Read(path(".local.stat"), @slide_base_path))
  if !Ops.get_boolean(tmp, "isdir", false)
    Builtins.y2milestone("Using default path instead of %1", @slide_base_path)
    @slide_base_path = "/var/adm/YaST/InstSrcManager/tmp/CurrentMedia/suse/setup/slide"

    return false
  end
  true
end

#GetSlideList(lang) ⇒ Array

Get a list of available slides (images) for the slide show.

Parameters:

  • lang (String) —

    language of slides to load

Returns:

  • (Array) —

    slides



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# File 'library/packages/src/modules/Slides.rb', line 57

def GetSlideList(lang)
  slide_list = nil

  txt_path = Builtins.sformat("%1/txt/%2", @slide_base_path, lang)
  if FileUtils.Exists(txt_path)
    slide_list = Convert.convert(
      SCR.Read(path(".target.dir"), txt_path),
      from: "any",
      to:   "list <string>"
    )
  end

  if slide_list.nil?
    Builtins.y2error("Directory %1 does not exist", txt_path)
    if Ops.greater_than(Builtins.size(lang), 2)
      lang = Builtins.substring(lang, 0, 2)
      txt_path = Builtins.sformat("%1/txt/%2", @slide_base_path, lang)

      if FileUtils.Exists(txt_path)
        slide_list = Convert.convert(
          SCR.Read(path(".target.dir"), txt_path),
          from: "any",
          to:   "list <string>"
        )
      end
    end
  end

  if slide_list.nil?
    Builtins.y2milestone("Slideshow directory %1 does not exist", txt_path)
  else
    Builtins.y2milestone(
      "Using slides from '%1' (%2 slides)",
      txt_path,
      Builtins.size(slide_list)
    )

    slide_list = Builtins.sort(Builtins.filter(slide_list) do |filename|
      Builtins.regexpmatch(filename, ".*.(rtf|RTF|html|HTML|htm|HTM)$")
    end)

    Builtins.y2debug(
      "GetSlideList(): Slides at %1: %2",
      txt_path,
      slide_list
    )
  end

  if !slide_list.nil? && Ops.greater_than(Builtins.size(slide_list), 0) # Slide texts found
    @slide_txt_path = txt_path
    @slide_pic_path = Ops.add(@slide_base_path, "/pic")

    Builtins.y2milestone(
      "Using TXT: %1, PIC: %2",
      @slide_txt_path,
      @slide_pic_path
    ) # No slide texts found
  else
    Builtins.y2debug("No slides found at %1", txt_path)

    # function calls itself!
    if lang != @fallback_lang
      Builtins.y2debug(
        "Trying to load slides from fallback: %1",
        @fallback_lang
      )
      slide_list = GetSlideList(@fallback_lang)
    end
  end

  deep_copy(slide_list)
end

#HaveSlides ⇒ Boolean

Check if slides are available.

Not to be confused with HaveSlideSupport() which checks if slides could be displayed if there are any.

Returns:

  • (Boolean) —

    if the loaded list of slides contains any slides



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# File 'library/packages/src/modules/Slides.rb', line 155

def HaveSlides
  Ops.greater_than(Builtins.size(@slides), 0)
end

#HaveSlideSupport ⇒ Boolean

Check if showing slides is supported.

Not to be confused with HaveSlides() which checks if there are slides available.

Returns:

  • (Boolean) —

    if the current UI is capable of showing slides



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# File 'library/packages/src/modules/Slides.rb', line 135

def HaveSlideSupport
  disp = UI.GetDisplayInfo

  if !disp.nil? && # This shouldn't happen, but who knows?
      Ops.get_boolean(disp, "HasImageSupport", false) &&
      Ops.greater_or_equal(Ops.get_integer(disp, "DefaultWidth", -1), 800) &&
      Ops.greater_or_equal(Ops.get_integer(disp, "DefaultHeight", -1), 600) &&
      Ops.greater_or_equal(Ops.get_integer(disp, "Depth", -1), 8)
    true
  else
    false
  end
end

#LoadSlideFile(slide_name) ⇒ Object

Load one slide from files complete with image and textual description. Also adapt img links

Parameters:

  • slide_name (String) —

    name of the slide

Returns:

  • true if OK, false if error



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# File 'library/packages/src/modules/Slides.rb', line 164

def LoadSlideFile(slide_name)
  text_file_name = Builtins.sformat("%1/%2", @slide_txt_path, slide_name)
  # returns empty string if not found
  text = Convert.to_string(
    SCR.Read(path(".target.string"), [text_file_name, ""])
  )

  #
  # Fix <img src> tags: Replace image path with current slide_pic_path
  #
  loop do
    replaced = Builtins.regexpsub(
      text,
      "(.*)&imagedir;(.*)",
      Builtins.sformat("\\1%1\\2", @slide_pic_path)
    )
    break if replaced.nil?

    text = replaced
  end

  text
end

#LoadSlides(language) ⇒ Object

Load slides for the given language and store them in the internal variables.

Parameters:

  • language (String) —

    requested language of the slides



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# File 'library/packages/src/modules/Slides.rb', line 206

def LoadSlides(language)
  @slides = GetSlideList(language)

  nil
end

#main ⇒ Object 



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# File 'library/packages/src/modules/Slides.rb', line 33

def main
  Yast.import "UI"

  textdomain "base"

  Yast.import "FileUtils"
  Yast.import "Installation"

  # list of currently known slides, in the order they should be shown
  @slides = []
  # base path to look for slides
  @slide_base_path = Ops.add(InstallationClass::SOURCEDIR, "/suse/setup/slide")
  # path to look for texts of slides
  @slide_txt_path = ""
  # path to look for images of slides
  @slide_pic_path = ""
  # if no other language is configured, use this fallback
  @fallback_lang = "en"
end

#SetSlideDir(dir) ⇒ Object

Set the slide show directory



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# File 'library/packages/src/modules/Slides.rb', line 189

def SetSlideDir(dir)
  @slide_base_path = dir

  tmp = Convert.to_map(WFM.Read(path(".local.stat"), @slide_base_path))

  if !Ops.get_boolean(tmp, "isdir", false)
    Builtins.y2milestone("Using default path instead of %1", tmp)
    @slide_base_path = "/var/adm/YaST/InstSrcManager/tmp/CurrentMedia/suse/setup/slide"
  end

  Builtins.y2milestone("SetSlideDir: %1", @slide_base_path)

  nil
end