Class: RubyCurses::CheckBoxCellRenderer

Inherits:
ListCellRenderer show all
Defined in:
lib/rbcurse/checkboxcellrenderer.rb

Overview

This is a basic list cell renderer that will render the to_s value of anything. Using alignment one can use for numbers too. However, for booleans it will print true and false. If editing, you may want checkboxes

Instance Method Summary collapse

Methods inherited from ListCellRenderer

#create_color_pairs, #prepare_default_colors, #select_colors

Methods included from Utils

#_process_key, #bind_key, #clean_string!, #get_color, #keycode_tos, #repeatm, #view, #wrap_text

Methods included from ConfigSetup

#cget, #config_setup, #configure, #variable_set

Constructor Details

#initialize(boolean = nil, config = {}, &block) ⇒ CheckBoxCellRenderer

Returns a new instance of CheckBoxCellRenderer.



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# File 'lib/rbcurse/checkboxcellrenderer.rb', line 12

def initialize boolean=nil, config={}, &block
  @value = boolean
  @text = "" # what if someone wants to show a label later. ??? XXX
  @editable = false
  @focusable = false
  config_setup config # @config.each_pair { |k,v| variable_set(k,v) }
  instance_eval &block if block_given?
  init_vars
end

Instance Method Details

#getvalue ⇒ Object 



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# File 'lib/rbcurse/checkboxcellrenderer.rb', line 26

def getvalue
  @value
end

#init_vars ⇒ Object 



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# File 'lib/rbcurse/checkboxcellrenderer.rb', line 21

def init_vars
  @justify ||= :left
  @display_length ||= 5
  @surround_chars = ['[',']']
end

#repaint(graphic, r = @row, c = @col, row_index = -1,, value = @value, focussed = false, selected = false) ⇒ Object 



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# File 'lib/rbcurse/checkboxcellrenderer.rb', line 32

def repaint graphic, r=@row,c=@col, row_index=-1,value=@value, focussed=false, selected=false
    #$log.debug "label :#{@text}, #{value}, #{r}, #{c} col= #{@color}, #{@bgcolor} acolor= #{acolor} j:#{@justify} dlL: #{@display_length} "

  prepare_default_colors focussed, selected

  buttontext = value ? "X" : " "
  # HOW TO DO THE TEXT ??? XXX
  # the space in dtext next line is a cheat, to clear off the space that the
  # editor is leaving.
  dtext = " " #@display_length.nil? ? @text : "%-*s" % [@display_length, @text]
  if @align_right
    #@text_offset = 0
    #@col_offset = dtext.length + @surround_chars[0].length + 1
    str = "#{dtext} " + @surround_chars[0] + buttontext + @surround_chars[1] 
  else
    pretext = @surround_chars[0] + buttontext + @surround_chars[1] 
    #@text_offset = pretext.length + 1
    #@col_offset = @surround_chars[0].length
    #@surround_chars[0] + buttontext + @surround_chars[1] + " #{@text}"
    str = pretext + " #{dtext}"
  end
  graphic.printstring r, c, str, @color_pair,@attr
end