Class: Yast::DefaultDesktopClass

Inherits:
Module
  • Object
show all
Includes:
Logger
Defined in:
src/modules/DefaultDesktop.rb

Overview

Handling of default desktop selection

Constant Summary collapse

PROPOSAL_ID = 
"DefaultDesktopPatterns".freeze
DEFAULT_VALUES =

Defaults when something in control file is not defined

{ # rubocop:disable Style/MutableConstant default_proc conflict
  "order"   => 99,
  "desktop" => "unknown"
}

Instance Method Summary collapse

Instance Method Details

#Description ⇒ String

Get the description of the currently selected desktop for the summary


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# File 'src/modules/DefaultDesktop.rb', line 393

def Description
  Init()

  return "" unless @desktop

  ProductControl.GetTranslatedText(
    Ops.get_string(@all_desktops, [@desktop, "label_id"], "")
  )
end

#Desktop ⇒ String

Get the currently set default desktop, nil if none set


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# File 'src/modules/DefaultDesktop.rb', line 268

def Desktop
  Init()

  @desktop
end

#desktop_entry(control_file_entry) ⇒ Object 


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# File 'src/modules/DefaultDesktop.rb', line 86

def desktop_entry(control_file_entry)
  desktop_label = control_file_entry["label_id"] || DEFAULT_VALUES["label_id"]
  # required keys
  one_desktop = {
    # BNC #449818, after switching the language name should change too
    "label_id" => desktop_label,
    "label"    => ProductControl.GetTranslatedText(desktop_label)
  }
  ["desktop", "logon", "cursor", "order"].each do |key|
    one_desktop[key] = control_file_entry[key] || DEFAULT_VALUES[key]
  end
  ["packages", "patterns"].each do |key|
    one_desktop[key] = (control_file_entry[key] || "").split
  end
  # 'description' is optional
  if control_file_entry["description_id"]
    one_desktop["description_id"] = control_file_entry["description_id"]
    one_desktop["description"] =
      ProductControl.GetTranslatedText(one_desktop["description_id"])
  end

  one_desktop
end

#ForceReinit ⇒ Object

Forces new initialization…


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# File 'src/modules/DefaultDesktop.rb', line 191

def ForceReinit
  @initialized = false
  Init()

  nil
end

#GetAllDesktopsMap ⇒ Hash{String => map}

Returns map of pre-defined default system tasks


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# File 'src/modules/DefaultDesktop.rb', line 217

def GetAllDesktopsMap
  Init()

  deep_copy(@all_desktops)
end

#Init ⇒ Object

Initialize default desktop from control file if specified there


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# File 'src/modules/DefaultDesktop.rb', line 50

def Init
  if @initialized == true
    Builtins.y2debug("Already initialized")
    return
  end

  @initialized = true

  # See BNC #424678
  if @all_desktops.nil?
    Builtins.y2milestone("Getting supported desktops from control file")

    desktops_from_cf = []
    # supported_desktops migh be undefined
    any_desktops_from_cf = ProductFeatures.GetFeature(
      "software",
      "supported_desktops"
    )

    if any_desktops_from_cf != "" && any_desktops_from_cf != ""
      desktops_from_cf = Convert.convert(
        any_desktops_from_cf,
        from: "any",
        to:   "list <map>"
      )
    end

    @all_desktops = {}
    one_desktop = {}
    desktop_name = ""

    Builtins.foreach(desktops_from_cf) do |one_desktop_cf|
      desktop_name = Ops.get_string(one_desktop_cf, "name", "")
      if desktop_name == ""
        Builtins.y2error("Missing 'name' in %1", one_desktop_cf)
        next
      end
      desktop_label = Ops.get_string(one_desktop_cf, "label_id") do
        (
          one_desktop_cf_ref = arg_ref(one_desktop_cf)
          result = MissingKey(one_desktop_cf_ref, "label_id")
          one_desktop_cf = one_desktop_cf_ref.value
          result
        )
      end
      # required keys
      one_desktop = {
        "desktop"  => Ops.get(one_desktop_cf, "desktop") do
          (
            one_desktop_cf_ref = arg_ref(one_desktop_cf)
            result = MissingKey(one_desktop_cf_ref, "desktop")
            one_desktop_cf = one_desktop_cf_ref.value
            result
          )
        end,
        "logon"    => Ops.get(one_desktop_cf, "logon") do
          (
            one_desktop_cf_ref = arg_ref(one_desktop_cf)
            result = MissingKey(one_desktop_cf_ref, "logon")
            one_desktop_cf = one_desktop_cf_ref.value
            result
          )
        end,
        "cursor"   => Ops.get(one_desktop_cf, "cursor") do
          (
            one_desktop_cf_ref = arg_ref(one_desktop_cf)
            result = MissingKey(one_desktop_cf_ref, "logon")
            one_desktop_cf = one_desktop_cf_ref.value
            result
          )
        end,
        "packages" => Builtins.splitstring(
          Ops.get_string(one_desktop_cf, "packages", ""),
          " \t\n"
        ),
        "patterns" => Builtins.splitstring(
          Ops.get_string(one_desktop_cf, "patterns", ""),
          " \t\n"
        ),
        "order"    => Ops.get(one_desktop_cf, "order") do
          (
            one_desktop_cf_ref = arg_ref(one_desktop_cf)
            result = MissingKey(one_desktop_cf_ref, "order")
            one_desktop_cf = one_desktop_cf_ref.value
            result
          )
        end,
        # BNC #449818, after switching the language name should change too
        "label_id" => desktop_label,
        "label"    => ProductControl.GetTranslatedText(desktop_label)
      }
      # 'icon' in optional
      if Builtins.haskey(one_desktop_cf, "icon")
        Ops.set(
          one_desktop,
          "icon",
          Ops.get_string(one_desktop_cf, "icon", "")
        )
      end
      # 'description' is optional
      if Builtins.haskey(one_desktop_cf, "description_id")
        description_id = Ops.get_string(
          one_desktop_cf,
          "description_id",
          ""
        )

        Ops.set(
          one_desktop,
          "description",
          ProductControl.GetTranslatedText(description_id)
        )
        # BNC #449818, after switching the language description should change too
        Ops.set(one_desktop, "description_id", description_id)
      end
      # bnc #431251
      # If this desktop is selected, do not deselect patterns
      if Builtins.haskey(one_desktop_cf, "do_not_deselect_patterns")
        Ops.set(
          one_desktop,
          "do_not_deselect_patterns",
          Ops.get_boolean(one_desktop_cf, "do_not_deselect_patterns", false)
        )
      end
      Ops.set(@all_desktops, desktop_name, one_desktop)
    end
  end

  default_desktop = ProductFeatures.GetStringFeature(
    "software",
    "default_desktop"
  )
  default_desktop = nil if default_desktop == ""

  Builtins.y2milestone("Default desktop: '%1'", default_desktop)
  SetDesktop(default_desktop)

  nil
end

#main ⇒ Object 


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# File 'src/modules/DefaultDesktop.rb', line 8

def main
  Yast.import "Pkg"

  textdomain "packager"

  Yast.import "ProductFeatures"
  Yast.import "ProductControl"
  Yast.import "Installation"
  Yast.import "PackagesProposal"
  Yast.import "Mode"

  # All desktop definitions are taken from control file
  # @see GetAllDesktopsMap
  @all_desktops = nil

  # Desktop which was selected in the desktop selection dialog.
  # Must be defined in control file in section software->supported_desktops.
  @desktop = nil

  @initialized = false

  @packages_proposal_ID_patterns = "DefaultDesktopPatterns"
end

#MissingKey(desktop_def, key) ⇒ Object 


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# File 'src/modules/DefaultDesktop.rb', line 32

def MissingKey(desktop_def, key)
  Builtins.y2warning(
    "Wrong desktop def, missing '%1' key: %2",
    key,
    desktop_def.value
  )

  case key
  when "order"
    99
  when "desktop"
    "unknown"
  else
    ""
  end
end

#PatternsToDeselect ⇒ Object

Get patterns which should be NOT selected for currently selected desktop


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# File 'src/modules/DefaultDesktop.rb', line 346

def PatternsToDeselect
  Init()

  # patterns which must be selected
  patterns_to_select = PatternsToSelect()

  patterns_to_deselect = []

  # bnc #431251
  # A dummy desktop is selected, do not deselect already selected patterns
  if Ops.get_boolean(
    @all_desktops,
    [@desktop, "do_not_deselect_patterns"],
    false
  ) == true
    Builtins.y2milestone(
      "Desktop %1 has 'do_not_deselect_patterns' set",
      @desktop
    )
  else
    # go through all known system task definitions
    Builtins.foreach(GetAllDesktopsMap()) do |_one_desktop, desktop_descr|
      # all patterns required by a system type
      Builtins.foreach(Ops.get_list(desktop_descr, "patterns", [])) do |one_pattern|
        # if not required, add it to 'to deselect'
        if !one_pattern.nil? &&
            !Builtins.contains(patterns_to_select, one_pattern)
          patterns_to_deselect = Builtins.add(
            patterns_to_deselect,
            one_pattern
          )
        end
      end
    end
  end

  Builtins.y2milestone(
    "Patterns to deselect '%1' -> %2",
    @desktop,
    patterns_to_deselect
  )

  deep_copy(patterns_to_deselect)
end

#PatternsToSelect ⇒ Object

Get patterns which should be selected for currently selected desktop


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# File 'src/modules/DefaultDesktop.rb', line 338

def PatternsToSelect
  Init()

  Ops.get_list(@all_desktops, [@desktop, "patterns"], [])
end

#PrefferedWindowManager ⇒ String

Get preffered window/desktop manager for the selected desktop


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# File 'src/modules/DefaultDesktop.rb', line 330

def PrefferedWindowManager
  Init()

  Ops.get_string(@all_desktops, [@desktop, "desktop"], "")
end

#SelectedDesktops ⇒ Object

Return list installed desktops or desktop selected for installation.

See Also:


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# File 'src/modules/DefaultDesktop.rb', line 226

def SelectedDesktops
  Init()

  Pkg.TargetInit(Installation.destdir, true)
  Pkg.SourceStartManager(true)
  Pkg.PkgSolve(true)

  all_sel_or_inst_patterns = Builtins.maplist(
    Pkg.ResolvableProperties("", :pattern, "")
  ) do |one_pattern|
    if Ops.get_symbol(one_pattern, "status", :unknown) == :selected ||
        Ops.get_symbol(one_pattern, "status", :unknown) == :installed
      next Ops.get_string(one_pattern, "name", "")
    end
  end

  # all selected or installed patterns
  all_sel_or_inst_patterns = Builtins.filter(all_sel_or_inst_patterns) do |one_pattern|
    !one_pattern.nil?
  end

  selected_desktops = []
  selected = true

  Builtins.foreach(GetAllDesktopsMap()) do |desktop_name, desktop_def|
    selected = true
    Builtins.foreach(Ops.get_list(desktop_def, "patterns", [])) do |one_pattern|
      if !Builtins.contains(all_sel_or_inst_patterns, one_pattern)
        selected = false
        next
      end
    end
    if selected
      selected_desktops = Builtins.add(selected_desktops, desktop_name)
    end
  end

  deep_copy(selected_desktops)
end

#SelectedPackages ⇒ Object

Deprecated: Packages are not selected by a desktop selection only patterns bnc#866724


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# File 'src/modules/DefaultDesktop.rb', line 324

def SelectedPackages
  []
end

#SelectedPatterns ⇒ Object 


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# File 'src/modules/DefaultDesktop.rb', line 318

def SelectedPatterns
  PackagesProposal.GetResolvables(@packages_proposal_ID_patterns, :pattern, optional: true)
end

#SetDesktop(new_desktop) ⇒ Object

Set the default desktop


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# File 'src/modules/DefaultDesktop.rb', line 277

def SetDesktop(new_desktop)
  Init()

  if new_desktop.nil?
    # Reset the selected patterns
    Builtins.y2milestone("Reseting DefaultDesktop")
    @desktop = nil

    # Do not overwrite the autoyast pattern selection by
    # the default desktop pattern selection (bnc#888981)
    unless Mode.autoinst
      PackagesProposal.SetResolvables(
        @packages_proposal_ID_patterns,
        :pattern,
        [],
        optional: true
      )
    end
  elsif !Builtins.haskey(@all_desktops, new_desktop)
    Builtins.y2error("Attempting to set desktop to unknown %1", new_desktop)
  else
    @desktop = new_desktop

    Builtins.y2milestone("New desktop has been set: %1", @desktop)

    # Do not overwrite the autoyast pattern selection by
    # the default desktop pattern selection (bnc#888981)
    if !@desktop.nil? && @desktop != "" && !Mode.autoinst
      # Require new patterns and packages
      PackagesProposal.SetResolvables(
        @packages_proposal_ID_patterns,
        :pattern,
        Ops.get_list(@all_desktops, [@desktop, "patterns"], []),
        optional: true
      )
    end
  end

  nil
end