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Contents
module Redwood
class CompletionMode < ScrollMode
INTERSTITIAL = " "
def initialize list, opts={}
@list = list
@header = opts[:header]
@prefix_len = opts[:prefix_len]
@lines = nil
super :slip_rows => 1, :twiddles => false
end
def lines
update_lines unless @lines
@lines.length
end
def [] i
update_lines unless @lines
@lines[i]
end
def roll; if at_bottom? then jump_to_start else page_down end end
private
def update_lines
width = buffer.content_width
max_length = @list.max_of { |s| s.length }
num_per = [1, buffer.content_width / (max_length + INTERSTITIAL.length)].max
@lines = [@header].compact
@list.each_with_index do |s, i|
if @prefix_len
@lines << [] if i % num_per == 0
if @prefix_len < s.length
prefix = s[0 ... @prefix_len]
suffix = s[(@prefix_len + 1) .. -1]
char = s[@prefix_len].chr
@lines.last += [[:text_color, sprintf("%#{max_length - suffix.length - 1}s", prefix)],
[:completion_character_color, char],
[:text_color, suffix + INTERSTITIAL]]
else
@lines.last += [[:text_color, sprintf("%#{max_length}s#{INTERSTITIAL}", s)]]
end
else
@lines << "" if i % num_per == 0
@lines.last += sprintf "%#{max_length}s#{INTERSTITIAL}", s
end
end
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems