Class: TPS::BarFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/tps/bar_formatter.rb

Overview

Presenter for tasks to format things into bars.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(task) ⇒ BarFormatter

Returns a new instance of BarFormatter.



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# File 'lib/tps/bar_formatter.rb', line 6

def initialize(task)
  @task = task
end

Instance Attribute Details

#task ⇒ Object (readonly)

Returns the value of attribute task.



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# File 'lib/tps/bar_formatter.rb', line 4

def task
  @task
end

Instance Method Details

#all_sprints ⇒ Object 



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# File 'lib/tps/bar_formatter.rb', line 15

def all_sprints
  @all_sprints ||= @task.list.sprints.values
end

#index_segments ⇒ Object

Returns segments of the indices of sprints.



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# File 'lib/tps/bar_formatter.rb', line 20

def index_segments
  to_segments(sprints.map(&:index))
end

#label ⇒ Object 



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# File 'lib/tps/bar_formatter.rb', line 60

def label
  sprints.map(&:id).join(" ")
end

#segments ⇒ Object

Returns segments. Lines are in the format:

|type, (size, sprints)|



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# File 'lib/tps/bar_formatter.rb', line 32

def segments
  re = Array.new

  last_max = -1

  segs = index_segments
  segs.each_with_index do |range, i|
    sprints = range.to_a.map { |i| all_sprints[i] }
    span = range.max - range.min + 1
    w = range.min-last_max-1

    line_length = segment_width * w + inner_pad

    marker_length = segment_width * span - inner_pad

    re << [ :line, [line_length, sprints] ]
    re << [ :marker, [marker_length, sprints] ]

    last_max = range.max
  end

  # Last line
  butal = all_sprints.length - sprints.last.index - 1
  re << [ :line, segment_width * butal + inner_pad ]

  re
end

#sprints ⇒ Object

Array of sprints.



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# File 'lib/tps/bar_formatter.rb', line 11

def sprints
  @sprints ||= task.sprints
end

#visible? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tps/bar_formatter.rb', line 24

def visible?
  sprints.any?
end