Class: Pecorb::Pager

Inherits:
Object
  • Object
show all
Defined in:
lib/pecorb/pager.rb

Instance Method Summary collapse

Constructor Details

#initialize(items, viewport_size) ⇒ Pager

Returns a new instance of Pager.



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# File 'lib/pecorb/pager.rb', line 5

def initialize(items, viewport_size)
  @configured_items = @items = items
  @viewport_size = viewport_size
  @cursor = 0
  set_viewport_to_top
end

Instance Method Details

#down ⇒ Object 



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# File 'lib/pecorb/pager.rb', line 30

def down
  move_cursor_by(1)
end

#filter!(filter_text) ⇒ Object 



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# File 'lib/pecorb/pager.rb', line 20

def filter!(filter_text)
  self.items = fuzzy_filter(filter_text)
end

#items=(new_items) ⇒ Object 



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# File 'lib/pecorb/pager.rb', line 24

def items=(new_items)
  @items = new_items
  @cursor = @cursor.clamp(0, @items.size-1)
  reset_viewport_to_cover_cursor
end

#items_in_viewport ⇒ Object 



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# File 'lib/pecorb/pager.rb', line 16

def items_in_viewport
  @items.slice(@viewport.min, @viewport_size)
end

#selected_item ⇒ Object 



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# File 'lib/pecorb/pager.rb', line 12

def selected_item
  @items.fetch(@cursor)
end

#up ⇒ Object 



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# File 'lib/pecorb/pager.rb', line 34

def up
  move_cursor_by(-1)
end