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#!/usr/bin/env ruby
##
## maxsize.rb
##
## This demo uses a really big table. The big startup time is in
## filling the table's Tcl array var.
##
## ( based on 'maxsize.tcl' included source archive of tktable extension )
##
require 'tk'
require 'tkextlib/tktable'
ary = TkVariable.new_hash
rows = 40000
cols = 10
# fill table variable
((-(rows))..rows).each{|x|
((-(cols))..cols).each{|y|
ary[x,y] = "#{x},#{y}"
}
}
lbl = TkLabel.new(:text=>"TkTable v2 Example")
table = Tk::TkTable.new(:rows=>rows, :cols=>cols, :variable=>ary,
:width=>6, :height=>8,
:titlerows=>1, :titlecols=>1,
:coltagcommand=>proc{|col|
col = Integer(col)
(col>0 && col%2 == 1)? 'OddCol': ''
},
:selectmode=>:extended,
:colstretch=>:unset, :rowstretch=>:unset,
:selecttitles=>false, :drawmode=>:slow)
sx = table.xscrollbar(TkScrollbar.new)
sy = table.yscrollbar(TkScrollbar.new)
btn = TkButton.new(:text=>'Exit', :command=>proc{exit})
Tk.grid(lbl, '-', :sticky=>:ew)
Tk.grid(table, sy, :sticky=>:news)
Tk.grid(sx, :sticky=>:ew)
Tk.grid(btn, :sticky=>:ew, :columnspan=>2)
Tk.root.grid_columnconfig(0, :weight=>1)
Tk.root.grid_rowconfig(1, :weight=>1)
table.tag_configure('OddCol', :bg=>'brown', :fg=>'pink')
table.tag_configure('title', :bg=>'red', :fg=>'blue', :relief=>:sunken)
table.tag_configure('dis', :state=>:disabled)
first = table[:colorigin]
%w(n s e w nw ne sw se c).each_with_index{|anchor, idx|
table.tag_configure(anchor, :anchor=>anchor)
table.tag_row(anchor, idx)
table.set([idx,first], anchor)
}
courier = TkFont.new(:family=>'Courier', :size=>10)
table.tag_configure('s', :font=>courier, :justify=>:center)
table.set_width([-2, 8], [-1, 9], [0, 12], [4, 14])
puts "Table is #{table.path} with array #{(table['variable'])}"
Tk.mainloop
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