Class: RubyCurses::BasicListCellRenderer

Inherits:
Object
  • Object
show all
Includes:
ConfigSetup, Utils
Defined in:
lib/rbcurse/rbasiclistbox.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 I’ve copied this into ListCellRenderer and added justify, so use that.

Since:

  • 1.2.0

selection related collapse

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(text = "", config = {}, &block) ⇒ BasicListCellRenderer

Returns a new instance of BasicListCellRenderer.

Since:

  • 1.2.0



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# File 'lib/rbcurse/rbasiclistbox.rb', line 651

def initialize text="", config={}, &block
  @text = text
  @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

#init_vars ⇒ Object

Since:

  • 1.2.0



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# File 'lib/rbcurse/rbasiclistbox.rb', line 659

def init_vars
  #@justify ||= :left
  #str = @justify.to_sym == :right ? "%*s" : "%-*s"  # added 2008-12-22 19:05 
  @display_length ||= 10
  # create color pairs once for this 2010-09-26 20:53 
  @color_pair = get_color $datacolor
  @pairs = Hash.new(@color_pair)
  @attrs = Hash.new(Ncurses::A_NORMAL)
  color_pair = get_color $selectedcolor, @parent.selected_color, @parent.selected_bgcolor
  @pairs[:normal] = @color_pair
  @pairs[:selected] = color_pair
  @pairs[:focussed] = @pairs[:normal]
  @attrs[:selected] = $row_selected_attr
  @attrs[:focussed] = $row_focussed_attr

end

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

paint a list box cell

@param [Buffer] window or buffer object used for printing
@param [Fixnum] row
@param [Fixnum] column
@param [Fixnum] actual index into data, some lists may have actual data elsewhere and
                display data separate. e.g. rfe_renderer (directory listing)
@param [String] text to print in cell
@param [Boolean, cell focussed, not focussed
@param [Boolean] cell selected or not

Since:

  • 1.2.0



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# File 'lib/rbcurse/rbasiclistbox.rb', line 701

def repaint graphic, r=@row,c=@col, row_index=-1,value=@text, focussed=false, selected=false

  select_colors focussed, selected 

  value=value.to_s
  if !@display_length.nil?
    if value.length > @display_length
      value = value[0..@display_length-1]
    end
  end
  len = @display_length || value.length
  graphic.printstring r, c, "%-*s" % [len, value], @color_pair, @attr
end

#select_colors(focussed, selected) ⇒ Object

sets @color_pair and @attr

Since:

  • 1.2.0



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# File 'lib/rbcurse/rbasiclistbox.rb', line 677

def select_colors focussed, selected
  @color_pair = @pairs[:normal]
  @attr = $row_attr
  # give precedence to a selected row
  if selected
    @color_pair = @pairs[:selected]
    @attr       = @attrs[:selected]
  elsif focussed
    @color_pair = @pairs[:focussed]
    @attr       = @attrs[:focussed]
  end
end