Class: RubyCurses::TableCellRenderer

Inherits:
Object
  • Object
show all
Includes:
DSL, ConfigSetup, Utils
Defined in:
lib/rbcurse/table/tablecellrenderer.rb

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

Methods included from DSL

#OLD_method_missing

Constructor Details

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

Returns a new instance of TableCellRenderer.



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# File 'lib/rbcurse/table/tablecellrenderer.rb', line 18

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 



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# File 'lib/rbcurse/table/tablecellrenderer.rb', line 26

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

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

XXX need to move wrapping etc up and done once.



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# File 'lib/rbcurse/table/tablecellrenderer.rb', line 36

def repaint graphic, r=@row,c=@col, row_index=-1, value=@text, focussed=false, selected=false
    lablist = []
    #value=value.to_s # ??
    value=transform value
    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
          dlen = @display_length - 1
          dlen = 0 if dlen < 0
          value = value[0..dlen]
        end
      end
      lablist << value
    end
    len = @display_length || value.length
    $log.debug "less ZERO #{@display_length} || #{value.length}, ri: #{row_index}" if len < 0
    acolor = get_color $datacolor
    #acolor =get_color $datacolor, @color || @parent.color, @bgcolor || @parent.bgcolor #unless @parent.nil?
    _attr = Ncurses::A_NORMAL
    if selected
      _attr = Ncurses::A_BOLD if selected
      acolor =get_color $selectedcolor, @parent.selected_color, @parent.selected_bgcolor unless @parent.nil?
    end
    if focussed 
      _attr |= Ncurses::A_REVERSE
    end
    #$log.debug "label :#{@text}, #{value}, #{r}, #{c} col= #{@color}, #{@bgcolor} acolor= #{acolor} j:#{@justify} dlL: #{@display_length} "
    _height = @height || 1
    str = @justify.to_sym == :right ? "%*s" : "%-*s"  # added 2008-12-22 19:05 
    # loop added for labels that are wrapped.
    # TODO clear separately since value can change in status like labels
    0.upto(_height-1) { |i| 
      graphic.printstring r+i, c, " " * len , acolor,_attr
    }
    lablist.each_with_index do |_value, ix|
      break if ix >= _height
      if @justify.to_sym == :center
        padding = (@display_length - _value.length)/2
        padding = 0 if padding < 0
        _value = " "*padding + _value + " "*padding # so its cleared if we change it midway
      end
      # XXX  2009-10-05 23:01 since the len can vary when scrolling
      # right justification for numbers suffers.
      # perhaps one should use display_length and then truncate using len
      graphic.printstring r, c, str % [len, _value], acolor,_attr
      r += 1
    end
end

#transform(value) ⇒ Object 



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# File 'lib/rbcurse/table/tablecellrenderer.rb', line 30

def transform value
  return value.to_s
end