Class: RubyCurses::ListCellRenderer

Inherits:
Object
  • Object
show all
Includes:
ConfigSetup, Utils
Defined in:
lib/rbcurse/listcellrenderer.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

Direct Known Subclasses

CheckBoxCellRenderer, ComboBoxCellRenderer

Instance Method Summary collapse

Methods included from Utils

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

Methods included from ConfigSetup

#cget, #config_setup, #configure, #variable_set

Constructor Details

#initialize(text = "", config = {}, &block) ⇒ ListCellRenderer

Returns a new instance of ListCellRenderer.



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# File 'lib/rbcurse/listcellrenderer.rb', line 24

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

#getvalue ⇒ Object 



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# File 'lib/rbcurse/listcellrenderer.rb', line 36

def getvalue
  @text
end

#init_vars ⇒ Object 



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

def init_vars
  @justify ||= :left
  @display_length ||= 10
end

#prepare_default_colors(focussed, selected) ⇒ Object

sets @color_pair and @attr



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# File 'lib/rbcurse/listcellrenderer.rb', line 41

def prepare_default_colors focussed, selected
    @color_pair = get_color $datacolor
    #acolor =get_color $datacolor, @color || @parent.color, @bgcolor || @parent.bgcolor #unless @parent.nil?
    @attr = @row_attr || Ncurses::A_NORMAL
    ##@row_attr = Ncurses::A_NORMAL # added 2009-02-04 18:35 since overriding in rfe


    ## determine bg and fg and attr
    if selected
      @attr = Ncurses::A_BOLD if selected
      @color_pair =get_color $selectedcolor, @parent.selected_color, @parent.selected_bgcolor unless @parent.nil?
    end
    if focussed 
      @attr |= Ncurses::A_REVERSE
    end
end

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



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# File 'lib/rbcurse/listcellrenderer.rb', line 60

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

    lablist = []
    value=value.to_s # ??
    if @height && @height > 1
      lablist = wrap_text(value, @display_length).split("\n")
    else
      # ensure we do not exceed
      if !@display_length.nil?
        if value.length > @display_length
          value = value[0..@display_length-1]
        end
      end
      lablist << value
    end
    len = @display_length || value.length
    _height = @height || 1
    str = @justify.to_sym == :right ? "%*s" : "%-*s"  # added 2008-12-22 19:05 
    # loop added for labels that are wrapped.
    # clear separately since value can change in status like labels
    #len -= @left_margin
    0.upto(_height-1) { |i| 
      graphic.printstring r+i, c, ( " " * len) , @color_pair,@attr
    }
    lablist.each_with_index do |_value, ix|
      break if ix >= _height
      if @justify.to_sym == :center
        padding = (@display_length - _value.length)/2
        _value = " "*padding + _value + " "*padding # so its cleared if we change it midway
      end
      graphic.printstring r, c, str % [len, _value], @color_pair,@attr
      r += 1
    end
=begin
    if @parent.search_found_ix == row_index
      if [email protected]_offset.nil?
        graphic.mvchgat(y=r, [email protected]_offset, @parent.find_offset1, Ncurses::A_NORMAL, $reversecolor, nil)
      end
    end
=end
end