Class: UI::ListSearch

Inherits:
Object
  • Object
show all
Defined in:
lib/ektoplayer/ui/widgets/listwidget.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(search: '', direction: :down) ⇒ ListSearch

Returns a new instance of ListSearch.



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# File 'lib/ektoplayer/ui/widgets/listwidget.rb', line 41

def initialize(search: '', direction: :down)
   @search, @direction = search, direction
end

Instance Attribute Details

#direction ⇒ Object

Returns the value of attribute direction.



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# File 'lib/ektoplayer/ui/widgets/listwidget.rb', line 39

def direction
  @direction
end

Instance Method Details

#next(*a) ⇒ Object 



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# File 'lib/ektoplayer/ui/widgets/listwidget.rb', line 61

def next(*a)  @direction == :up ? search_up(*a) : search_down(*a) end

#prev(*a) ⇒ Object 



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# File 'lib/ektoplayer/ui/widgets/listwidget.rb', line 62

def prev(*a)  @direction == :up ? search_down(*a) : search_up(*a) end

#search=(search) ⇒ Object 



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# File 'lib/ektoplayer/ui/widgets/listwidget.rb', line 45

def search=(search)
   @search = Regexp.new(search.downcase) rescue search.downcase
end

#search_down(current_pos, source) ⇒ Object 



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# File 'lib/ektoplayer/ui/widgets/listwidget.rb', line 80

def search_down(current_pos, source)
   start_pos = (current_pos + 1).clamp(0, source.size)

   # search down from current pos
   start_pos.upto(source.size).each do |i|
      return i if comp(source[i])
   end

   # restart search from top to start_pos
   0.upto(start_pos).each do |i|
      return i if comp(source[i])
   end

   nil # not found
end

#search_up(current_pos, source) ⇒ Object 



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# File 'lib/ektoplayer/ui/widgets/listwidget.rb', line 64

def search_up(current_pos, source)
   start_pos = (current_pos - 1).clamp(0, source.size)

   # search up from current pos to 0
   start_pos.downto(0).each do |i|
      return i if comp(source[i])
   end

   # restart search from bottom to start_pos
   (source.size - 1).downto(start_pos).each do |i|
      return i if comp(source[i])
   end

   nil # not found
end