Class: Section

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/coursegen/course/data/section.rb

Direct Known Subclasses

Lectures

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sect, citems, collapsed) ⇒ Section

Returns a new instance of Section.



9
10
11
12
13
14
 
# File 'lib/coursegen/course/data/section.rb', line 9

def initialize (sect, citems, collapsed)
  @section = sect
  @collapsed = collapsed
  @citems = section_filter(citems)
  sort_pages
end

Instance Attribute Details

#section ⇒ Object (readonly)

Returns the value of attribute section.



6
7
8
 
# File 'lib/coursegen/course/data/section.rb', line 6

def section
  @section
end

Instance Method Details

#[](ind) ⇒ Object 



27
28
29
 
# File 'lib/coursegen/course/data/section.rb', line 27

def [](ind)
  @citems[ind]
end

#collapsed? ⇒ Boolean

Returns:

  • (Boolean) 


53
54
55
 
# File 'lib/coursegen/course/data/section.rb', line 53

def collapsed?
  @collapsed
end

#find_by_short_name(sname) ⇒ Object

Raises:

  • (RuntimeError) 


20
21
22
23
24
25
 
# File 'lib/coursegen/course/data/section.rb', line 20

def find_by_short_name(sname)
  matches = @citems.select { |c| sname == c.short_name}
  raise RuntimeError,"#{sname}: invalid reference in section \"#{@section}\"" if matches.length == 0
   raise RunimeError, "#{sname}: duplicate referenced in section \"#{@section}\"" if matches.length != 1
  matches[0]
end

#find_index(citem) ⇒ Object 



16
17
18
 
# File 'lib/coursegen/course/data/section.rb', line 16

def find_index(citem)
  @citems.find_index(citem)
end

#has_lecture_numbers? ⇒ Boolean

Returns:

  • (Boolean) 


49
50
51
 
# File 'lib/coursegen/course/data/section.rb', line 49

def has_lecture_numbers?
  false
end

#has_subsections? ⇒ Boolean

Returns:

  • (Boolean) 


45
46
47
 
# File 'lib/coursegen/course/data/section.rb', line 45

def has_subsections?
  false
end

#next_for(citem) ⇒ Object

Raises:

  • (ArgumentError) 


31
32
33
34
35
36
 
# File 'lib/coursegen/course/data/section.rb', line 31

def next_for(citem)
  index = @citems.find_index(citem)
  raise ArgumentError, "invalid citem in next_for" if index.nil?
  new_index = [index, @citems.length-2].min
  @citems[new_index+1]
end

#previous_for(citem) ⇒ Object

Raises:

  • (ArgumentError) 


38
39
40
41
42
43
 
# File 'lib/coursegen/course/data/section.rb', line 38

def previous_for(citem)
  index = @citems.find_index(citem)
  raise ArgumentError, "invalid citem in next_for" if index.nil?
  new_index = [index, 1].max
  @citems[new_index-1]
end