Class: Studium::Sinatra

Inherits:
Cyberweb::Sinatra
  • Object
show all
Defined in:
lib/studium/sinatra/app.rb,
lib/studium/sinatra/misc.rb

Constant Summary collapse

USE_THIS_UNIFORM_CSS_STYLE =
#

USE_THIS_UNIFORM_CSS_STYLE

#
'margin-left:3.5em; font-weight: bold;'
CSS_FOR_THE_WEBPAGE =
#

ANSWER_DIV

#
'
.answer_div
{
  color:            gold;
  background-color: black;
  padding:          0.6em;
  border:           2px solid black;
}

a:link {
  padding: 1px;
  background-color: white;
  color: black;
  border: 1px solid black;
  text-decoration: none;
}

a:visited {
  padding: 1px;
  background-color: white;
  border: 1px solid black;
  text-decoration: none;
}

a:hover {
  padding: 1px;
  color: hotpink;
  background-color: white;
  text-decoration: none;
  border: 1px solid black;
}

a:active {
  padding: 1px;
  background-color: white;
  border: 1px solid black;
}

.hide {
  display: none;
}

'
JAVASCRIPT_CODE = 
"
<script>

function delay_before_reveal() {
  setTimeout(function(){
   document.getElementById('id_footer').classList.remove('hide');
   }, 100);
}

</script>

"

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Sinatra

#

initialize

#


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# File 'lib/studium/sinatra/app.rb', line 101

def initialize
  super()
  reset
end

Instance Method Details

#

Create our index of hyperlinks next.

#


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# File 'lib/studium/sinatra/misc.rb', line 43

def create_index_of_hyperlinks
  @index_of_hyperlinks = a(
    '/n_ects_points_passed',
    css_style: USE_THIS_UNIFORM_CSS_STYLE
  )+
  '<br>'+
  a(
    '/curricula',
    css_style: USE_THIS_UNIFORM_CSS_STYLE
  )+
  '<br>'.dup
  # ======================================================================= #
  # Keep the exam-topics sorted.
  # ======================================================================= #
  sorted_exam_topics?.each {|this_topic|
    @index_of_hyperlinks << a('/'+this_topic, css_style: USE_THIS_UNIFORM_CSS_STYLE)+
    '<br>'.dup
  }
  @index_of_hyperlinks << a('/questions_solved_from_day_to_day', css_style: USE_THIS_UNIFORM_CSS_STYLE)
end

#reset ⇒ Object

#

reset

#


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# File 'lib/studium/sinatra/app.rb', line 109

def reset
  @root_string = p('You can also ask exam questions.')
  # ======================================================================= #
  # Create the hyperlinks-section next:
  # ======================================================================= #
  create_index_of_hyperlinks
end

#return_html_code_for_this_exam_topic(this_topic) ⇒ Object

#

return_html_code_for_this_exam_topic

#


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# File 'lib/studium/sinatra/app.rb', line 167

def return_html_code_for_this_exam_topic(this_topic)
  css_style = '<head><style>'+CSS_FOR_THE_WEBPAGE+'</style><title>'+
              this_topic.to_s+
              '</title></head>'
  result = Studium.return_question_answer_string_from_this_topic(this_topic).to_s
  result = ::Studium.question_answer(result)
  question = result.first
  answer   = result.last
  HtmlTags.html(
    css_style+
    HtmlTags.h2(
      question
    )+
    # ===================================================================== #
    # The <div> tag containing the answer.
    # ===================================================================== #
    HtmlTags.div(
      answer,'answer_div hide', 'id_footer'
    )+
    JAVASCRIPT_CODE+
    return_show_the_answer_button+
    '<a style="border:1px solid black; margin-left:4px" href=""><b>Reload</b></a>'\
    '<br><br>'+
    return_link_to_the_root_entry+
    '<br>'
  )
end

#return_link_to_the_root_entry ⇒ Object

#
#


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# File 'lib/studium/sinatra/app.rb', line 206

def return_link_to_the_root_entry
  a(
    '/',
    content: '[HOME]',
    css_style: 'colour: darkblue; margin-left: 2em; '\
               'font-weight: bold; font-size: larger'
  )
end

#return_paragraph_of_hyperlinks ⇒ Object Also known as: footer

#
#


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# File 'lib/studium/sinatra/app.rb', line 127

def return_paragraph_of_hyperlinks
  p(
    'These options are available for the Studium-sinatra '\
    'interface: <br><br>'+
    return_index_of_hyperlinks
  )
end

#return_show_the_answer_button ⇒ Object

#

return_show_the_answer_button

#


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# File 'lib/studium/sinatra/app.rb', line 198

def return_show_the_answer_button
  '<button style="border:1px solid black" accesskey="s" onclick="delay_before_reveal()">
   <b>Show the answer</b></button>'
end

#return_view_string ⇒ Object Also known as: return_root_string

#

return_view_string

#


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# File 'lib/studium/sinatra/app.rb', line 138

def return_view_string
  h1('Studium', css_style: 'margin-left:0.25em;')+
  p(
    "The <b>following entry points</b> are currently available."
  )+
  return_index_of_hyperlinks
end

#sorted_exam_topics? ⇒ Boolean

#

sorted_exam_topics?

#

Returns:

  • (Boolean) 


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# File 'lib/studium/sinatra/app.rb', line 120

def sorted_exam_topics?
  Studium.available_exam_topics?.sort
end

#title(i) ⇒ Object

#

title

#


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# File 'lib/studium/sinatra/misc.rb', line 79

def title(i)
  HtmlTags.title(i)
end