#!/usr/bin/env ruby
begin
  require 'rubygems' 
rescue LoadError
end
require 'wx'
include Wx

# problems
	# boolean editor and even renderer (in the version 1.9.8)
	# after changing a cell: when entering ENTER, .....

class Person
  attr_accessor :name, :age, :invalid, :created_at
  
  def initialize name, age, invalid, created_at
    @name = name        # string
    @age = age          # integer
    @invalid = invalid  # boolean
    @created_at = Time.now  
  end
  
end

class MyGridTable < Wx::GridTableBase
  attr_reader :rowObjClass, :rowObjs, :colInfos
  
  def initialize(rowObjClass)
    super()
    @rowObjClass = rowObjClass
    @rowObjs = Array.new
    @colInfos = ["name", "age", "invalid", "created_at"]
    invalids = [false, true, false, true, false]
    15.times {|ii| @rowObjs.push(Person.new("franz"+ii.to_s, 3*ii, invalids[ii - 1], Time.now)) }
  end

  def get_number_rows
    return rowObjs.size
  end

  def get_number_cols
    return 4
  end

  def get_value(row, col)
    p "begin get_value: #{rowObjs[row].send(colInfos[col])}"
    
    # ??? must here always be returned a string ?
    return rowObjs[row].send(colInfos[col]).to_s
  end 

  def get_attr(row, col, attr_kind)
    attr = Wx::GridCellAttr.new
    
    if col == 2   # invalid columns
       attr.set_editor(Wx::GridCellBoolEditor.new)
       attr.set_renderer(Wx::GridCellBoolRenderer.new)
    end
    
    
    attr
  end

  def is_empty_cell(row, col)
    false
  end

  def get_col_label_value(col)
    colInfos[col]
  end

  def set_value(row, col, val)
    rowObjs[row].send(colInfos[col]+"=", val)
  end
end

class GridFrame < Wx::Frame
  def initialize(ctrl)
    super(nil, :title => 'GridTableBase demo')
    
    @ctrl = ctrl

    # panel = Panel.new self    
    main_sizer = Wx::BoxSizer.new(Wx::VERTICAL)
    
    @grid = Wx::Grid.new(self)
    @grid.set_table ctrl.gridTable

    main_sizer.add(@grid, 1, Wx::EXPAND|Wx::ALL, 5)
    butt_sizer = Wx::BoxSizer.new(Wx::HORIZONTAL)

    butt_1 = Wx::Button.new(self, :label => "close")
    butt_sizer.add(butt_1)
    evt_button(butt_1){|evt| close }												##############

    main_sizer.add(butt_sizer, 0, Wx::EXPAND|Wx::ALL, 5)
    self.sizer = main_sizer
    
    p "parent war: #{parent}"
    evt_close{|evt|  ctrl.callerCtrl.goHome; evt.skip }
  end
end

class GridCtrl
  attr_reader :callerCtrl, :gridTable, :ctrlWin

  def initialize callerCtrl
    @callerCtrl = callerCtrl
  end

  def start
    
    @gridTable = MyGridTable.new Person
    gridFrame = GridFrame.new self   ### , DEFALULT_POSITION, Size.new(400, 600)
    @ctrlWin = gridFrame
    gridFrame.show
  
  end
 
end

class AppFrame < Wx::Frame
  attr_reader :ctrl
  
  def initialize(ctrl)
    super(nil, :title => 'GridTableBase demo')
    @ctrl = ctrl
      
    main_sizer = Wx::BoxSizer.new(Wx::VERTICAL)
    main_sizer.add(@grid, 1, Wx::EXPAND|Wx::ALL, 5)

    # Add some buttons that can change the contents
    butt_sizer = Wx::BoxSizer.new(Wx::HORIZONTAL)

    butt_1 = Wx::Button.new(self, :label => "next window")
    butt_sizer.add(butt_1)
    evt_button(butt_1){|evt| ctrl.startNextWindow }                  ###############

    main_sizer.add(butt_sizer, 0, Wx::EXPAND|Wx::ALL, 5)
    self.sizer = main_sizer
  end
  
end

class AppCtrl 
  attr_reader :ctrlWin 
   
  def goHome
    @ctrlWin ||= AppFrame.new(self)
    @ctrlWin.show
  end

  def startNextWindow
    p "begin openNextWindow"
 
    @gridCtrl ||= GridCtrl.new self
    @gridCtrl.start
    
    ctrlWin.show false
  end
end


class MyApp < App
  def on_init
    ac = AppCtrl.new
  	ac.goHome
  end
end
app = MyApp.new
app.main_loop


#EOF