Class: Studium::GUI::Libui::AskExamQuestion

Inherits:
Object
  • Object
show all
Defined in:
lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb

Overview

Studium::GUI::Libui::AskExamQuestion

Constant Summary collapse

TITLE =
#

TITLE

#
'Ask Exam Questions'
SLEEP_FOR_N_SECONDS =
#

SLEEP_FOR_N_SECONDS

#
3

Instance Method Summary collapse

Constructor Details

#initialize(run_already = true) ⇒ AskExamQuestion

#

initialize

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 36

def initialize(
    run_already = true
  )
  reset
  run if run_already
end

Instance Method Details

#cpruby ⇒ Object

#

cpruby

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 145

def cpruby
  base_dir = ENV['USERS']
  base_dir = '/home' if base_dir.nil?
  path_to_setup_rb_file =
    "#{RUBY_SRC_DIR}roebe/lib/roebe/setup/setup.rb"
  copy(path_to_setup_rb_file, '.')
end

#create_skeleton ⇒ Object

#

create_skeleton (create tag, skeleton tag)

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 181

def create_skeleton
  # ======================================================================= #
  # === @question_buffer
  # ======================================================================= #
  @question_buffer = text_view
  # ======================================================================= #
  # === @answer_buffer
  # ======================================================================= #
  @answer_buffer   = text_view
  create_the_buttons
  create_the_entries
  create_the_combo_box
  # ======================================================================= #
  # widget1, then widget2
  # ======================================================================= #
  ui_sync_connect(
    @combo_box_containing_all_exam_topics,
    @entry_for_the_exam_topic,
    @array_available_exam_topics
  )
end

#create_the_buttons ⇒ Object

#

create_the_buttons (buttons tag)

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 268

def create_the_buttons
  # ======================================================================= #
  # === Button ask a random exam question
  # ======================================================================= #
  @button_ask_a_random_exam_question = button('Ask a random exam question')
  @button_ask_a_random_exam_question.on_clicked {
    # ===================================================================== #
    # First obtain a random exam topic:
    # ===================================================================== #
    use_this_exam_topic = Studium.random_exam_topic? # => "Theoretische Informatik"
    use_this_exam_topic = Studium.find_corresponding_exam_topic(use_this_exam_topic)
    the_ask_exam_question_button_was_pressed(use_this_exam_topic)
  }
  # ======================================================================= #
  # === @button_ask_an_exam_question_from_the_currently_selected_exam_topic
  # ======================================================================= #
  @button_ask_an_exam_question_from_the_currently_selected_exam_topic = button(
    'Ask an exam question from the currently selected exam topic.'
  )
  @button_ask_an_exam_question_from_the_currently_selected_exam_topic.on_clicked {
    if current_exam_topic?.empty?
      # Add a safeguard here.
      @entry_for_the_exam_topic.set_text(Studium.random_exam_topic?.to_s)
    end
    the_ask_exam_question_button_was_pressed
  }
end

#create_the_combo_box ⇒ Object

#

create_the_combo_box

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 169

def create_the_combo_box
  # ======================================================================= #
  # === @combo_box_containing_all_exam_topics
  # ======================================================================= #
  @combo_box_containing_all_exam_topics = libui_combo_box(
    @array_available_exam_topics
  )
end

#create_the_entries ⇒ Object

#

create_the_entries

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 206

def create_the_entries
  # ======================================================================= #
  # === @entry_for_the_exam_topic
  # ======================================================================= #
  @entry_for_the_exam_topic = ui_search_entry # ui_entry
  # ======================================================================= #
  # === @entry_sleep_for_n_seconds
  #
  # This entry allows the user to specify the number of seconds
  # to sleep.
  # ======================================================================= #
  @entry_sleep_for_n_seconds = ui_entry(SLEEP_FOR_N_SECONDS.to_s)
end

#current_exam_topic? ⇒ Boolean

#

current_exam_topic?

#

Returns:

  • (Boolean) 


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 88

def current_exam_topic?
  @entry_for_the_exam_topic.text?.to_s
end

#n_seconds? ⇒ Boolean Also known as: sleep_for_n_seconds?

#

n_seconds?

#

Returns:

  • (Boolean) 


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 60

def n_seconds?
  @entry_sleep_for_n_seconds.text?.to_f
end

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 46

def reset
  # ======================================================================= #
  # === @array_available_exam_topics
  # ======================================================================= #
  @array_available_exam_topics =
    ::Studium.available_exam_topics_in_short_form?.map(&:downcase).sort
  set_title_width_height(TITLE, '70%', '50%')
  e 'Starting with width of '+width?.to_s+
    ' px and a height of '+height?.to_s+' px.'    
end

#return_box_with_checkboxes ⇒ Object

#

return_box_with_checkboxes

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 223

def return_box_with_checkboxes
  outer_vbox = padded_vbox
  vbox = padded_vbox
  vbox.add(
    text(
      'There are a total of '+Studium.n_exam_questions?.to_s+
      ' exam questions available.'
    )
  )
  # ======================================================================= #
  # === @checkbox_automatically_reveal_the_answer_after_a_delay
  # ======================================================================= #
  @checkbox_automatically_reveal_the_answer_after_a_delay = checkbox(
    "Automatically reveal the answer after a delay "\
    "of #{n_seconds?} seconds."
  )
  @checkbox_automatically_reveal_the_answer_after_a_delay.set_active
  vbox.add(@checkbox_automatically_reveal_the_answer_after_a_delay)
  outer_vbox.add(vbox)

  text_specify_the_delay = text('Specify the delay in n seconds:')
  lower_box = hbox
  lower_box.add(text_specify_the_delay)
  lower_box.maximal(@entry_sleep_for_n_seconds, 1)
  outer_vbox.add(lower_box)
  return outer_vbox
end

#reveal_the_answer(i = Studium.remove_html(@answer.to_s)) ⇒ Object

#

reveal_the_answer

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 67

def reveal_the_answer(
    i = Studium.remove_html(@answer.to_s)
  )
  @answer_buffer.set_text(i)
end

#reveal_this_answer_after_a_specified_delay(i = Studium.remove_html(@answer.to_s)) ⇒ Object

#

reveal_this_answer_after_a_specified_delay

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 76

def reveal_this_answer_after_a_specified_delay(i = Studium.remove_html(@answer.to_s))
  if @checkbox_automatically_reveal_the_answer_after_a_delay.is_active?
    Thread.new {
      sleep sleep_for_n_seconds?
      reveal_the_answer(i)
    }
  end
end

#rinstall2 ⇒ Object

#

rinstall2

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 156

def rinstall2
  cpruby
  system 'ruby setup.rb --quiet config'
  system 'ruby setup.rb --quiet setup'
  system 'ruby setup.rb --quiet install'
  delete_file 'setup.rb'
  delete_file 'InstalledFiles' if File.exist?('InstalledFiles')
  delete_file '.config'
end

#run ⇒ Object

#

run (run tag)

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 95

def run
  create_skeleton
  main_window = padded_window(
    @title,
    @width.to_i,
    @height.to_i,
    0
  )
  outer_vbox = padded_vbox
  
  hbox = padded_hbox
  hbox.add(
    text('Exam topic: ')
  )
  hbox.add(@entry_for_the_exam_topic)
  hbox.minimal(@combo_box_containing_all_exam_topics)
  hbox.add(return_box_with_checkboxes)
  outer_vbox.add(hbox)
  outer_vbox.add(@question_buffer, 1)
  outer_vbox.add(@answer_buffer,   1)
  outer_vbox.add(text_view,   1) # This is the "guess answer" view.
  outer_vbox.minimal(hsep)
  # ======================================================================= #
  # === Button reveal the answer
  # ======================================================================= #
  button_reveal_the_answer = button('Reveal the answer')
  button_reveal_the_answer.on_clicked {
    reveal_the_answer
  }
  # ======================================================================= #
  # === Button solved
  # ======================================================================= #
  button_solved = button('Solved')
  button_solved.on_clicked {
    the_current_exam_question_is_now_solved
  }
  hbox1 = hbox(@button_ask_an_exam_question_from_the_currently_selected_exam_topic, @button_ask_a_random_exam_question)
  hbox2 = hbox(button_reveal_the_answer, button_solved) # Or padded hbox.

  outer_vbox.minimal(hbox1, 0)
  outer_vbox.minimal(libui_hsep)
  outer_vbox.minimal(hbox2, 1)

  main_window.child = outer_vbox
  main_window.intelligent_exit
end

#the_ask_exam_question_button_was_pressed(use_this_exam_topic = current_exam_topic? ) ⇒ Object

#

the_ask_exam_question_button_was_pressed

This is the method that is called when the main ask-question button has been pressed.

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 302

def the_ask_exam_question_button_was_pressed(
    use_this_exam_topic = current_exam_topic?
  )
  use_this_exam_topic = ::Studium.find_corresponding_exam_topic(use_this_exam_topic)
  # ======================================================================= #
  # Next, identify the file that we will use here:
  # ======================================================================= #
  path_to_the_exam_topics = Studium.exam_topics_directory?
  full_path = path_to_the_exam_topics+
              use_this_exam_topic
  @entry_for_the_exam_topic.set_text(use_this_exam_topic.to_s)
  if File.exist? full_path
    dataset = File.read(full_path)
    sanitized_dataset = Studium.filter_away_invalid_questions(dataset.split("\n"))
    available_questions = sanitized_dataset.reject {|line| line.include? ' []' }
    line = available_questions.sample
    @dataset = Studium::Exams::ExamQuestion.new(ARGV, :do_not_run_yet)
    @dataset.set_this_line(line)
    @dataset.parse_the_random_line_from_the_obtained_dataset

    @question = @dataset.question?.to_s.dup
    @answer   = @dataset.answer?.to_s.dup
    # ===================================================================== #
    # Note that @question_buffer is a Fiddle::Pointer that was set via
    # ui_text_view().
    # ===================================================================== #
    @question_buffer.set_text(
      Studium.remove_html(@question.to_s)
    )
    # ===================================================================== #
    # Clear the old buffer content on the answer-buffer, so that old
    # answers are not retained.
    # ===================================================================== #
    @answer_buffer.set_text('')
    @dataset.store_last_topic_into_file
    reveal_this_answer_after_a_specified_delay(Studium.remove_html(@answer.to_s))
  else
    e "No file exists at #{full_path}."
  end
end

#the_current_exam_question_is_now_solved ⇒ Object

#

the_current_exam_question_is_now_solved (solved tag)

This method will be run when the user clicks on the “solved” button.

#


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# File 'lib/studium/gui/libui/ask_exam_question/ask_exam_question.rb', line 256

def the_current_exam_question_is_now_solved
  _ = Studium::Exams::Solved.new { :do_not_run_yet }
  _.set_commandline
  _.run
  if is_on_roebe? and Object.const_defined?(:Roebe)
    rinstall2
  end
end