Class: Eclair::Column

Inherits:
Object
  • Object
show all
Includes:
CommonHelper
Defined in:
lib/eclair/column.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from CommonHelper

#config, included

Constructor Details

#initialize(index) ⇒ Column

Returns a new instance of Column.



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# File 'lib/eclair/column.rb', line 8

def initialize index
  @index = index
  @items = []
  @scroll = 0
end

Instance Attribute Details

#items ⇒ Object

Returns the value of attribute items.



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# File 'lib/eclair/column.rb', line 6

def items
  @items
end

#scroll ⇒ Object

Returns the value of attribute scroll.



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# File 'lib/eclair/column.rb', line 5

def scroll
  @scroll
end

Instance Method Details

#<<(item) ⇒ Object 



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# File 'lib/eclair/column.rb', line 14

def << item
  @items << item
end

#drawable?(y) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/eclair/column.rb', line 22

def drawable? y
  (@scroll...Grid.maxy+@scroll).include? y
end

#expand ⇒ Object 



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# File 'lib/eclair/column.rb', line 37

def expand
  expanded = []
  if config.group_by
    @items.each do |item|
      expanded << item
      item.each do |instance|
        expanded << instance
      end
    end
    expanded
  else
    @items
  end
end

#rescroll(y) ⇒ Object 



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# File 'lib/eclair/column.rb', line 26

def rescroll y
  if y < @scroll
    @scroll = y
  elsif y >= Grid.maxy
    @scroll = y - Grid.maxy + 1
  end
  expand.each do |i|
    i.render
  end
end

#x ⇒ Object 



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# File 'lib/eclair/column.rb', line 18

def x
  @index
end