#  rbGooey. -- Game GUI library to be used with rubygame
#  Copyright (C) 2006  Han 'kiba' Dao
#
#  This library is free software; you can redistribute it and/or
#  modify it under the terms of the GNU Lesser General Public
#  License as published by the Free Software Foundation; either
#  version 2.1 of the License, or (at your option) any later version.
#
#  This library is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#  Lesser General Public License for more details.
#
#  You should have received a copy of the GNU Lesser General Public
#  License along with this library; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#Class TextRender handle the TextRender tasks. It also formed the foundation for entire text library for the RbGooey. This include the TextInput class.
class TextMode
  #Set up the class by using the Main class
  attr_accessor :main , :bgcolor , :fgcolor , :x , :y , :text , :size  , :textrender
  def initialize main
    @main = main
    @textrender = textrender
    #@omit variable is used in render_text, which serve to determine wheather to omit the bgcolor or not from the font render agurement.
    @bgcolor = bgcolor
    @fgcolor = fgcolor
    @omit = false
    #@x contain the x position of text
    @x = x
    #@y contain the y position of text 
    @y = y
    #@text contain strings of text
    @text = text
    #@size contain the size of the text
    @size = size
    setup
  end
  def omit omit
    @omit = omit
  end
  def setup
    @textrender = TextRender.new(@main, self.class)
    @bgcolor = @main.bgcolor
    @fgcolor = @main.fgcolor
    @x = []
    @y = []
    @text = []
    @size = []
  end
  def array_push
    #This method exist for the purpose of DRY or don't repeat yourself
    @x.push 0
    @y.push 0
    @size.push @main.size
  end
  def add text
    #Use this method to add new lines to the text array
    @text << text
    #This default to zero to prevent font size changing.
    #To activiate this setting for a particular index in the text array, please use method set_size after the particular index you wanted.
    array_push
  end
  def set_size size
    #Set the font size for a part of the @text array. It only apply for a particular index you apply to.
    @size[-1] = size
  end
  def set_pos x , y = 0
    #Set position
    @x[-1] = x
    @y[-1] = y
  end
  def length length
    #Set the length of how much text array element will follow the text's x position. For y, it will skip.
    length.times do 
      @y << @y[-1]
      @x << @x[-1]
    end
  end
  def set_mutiple time
  #It is used in dir_nosub and dir. It make sure that all array objects are added for each
    time.times do
      array_push
    end
  end
  def clear
    #Use this to clear arrays which are @text, @size, and @x and @y
    @textrender.screen_clear
    @text = []
    @size = []
    @x = []
    @y = []
  end
  def dir location , enable = false
    #Use this to add directory items. Usage:  Dir(location) => a string that should contain the location of the directory
    #change the enable variable to the value true. This if you want only the filename or the "basename". 
    if enable == true
      @text += Dir.glob(location).map {|f| File.basename(f)}
    else
      @text += Dir.glob(location)
    end
    set_mutiple(Dir[location].size)
  end
end