Sha256: d5a33a57ac24c69418542d6283d861dfc4a5e44173763baad58da8d17ffc4f5c
Contents?: true
Size: 979 Bytes
Versions: 6
Compression:
Stored size: 979 Bytes
Contents
require("observer")
class Items
include Observable
def initialize(array)
@array = array
end
def method_missing(meth, *args, &block)
@array.send(meth, *args, &block)
changed
notify_observers(@array, meth, *args, &block)
end
end
class CustomListBox < Shoes::Widget
attr_accessor :items
def initialize(options = {}, &block)
@lb = list_box options, &block
@items = Items.new(@lb.items)
@items.add_observer(self)
end
def method_missing(meth, *args, &block)
if @lb.respond_to? meth
@lb.send(meth, *args, &block)
else
super
end
end
def update(array, *call)
@lb.items = array
end
end
Shoes.app {
@p = para "Any selection?"
@l = custom_list_box :items => ["first", "second"], :choose => "first" do |n|
@p.replace "Selection is #{n.text}."
end
@e = edit_line
button "ok" do
@l.items << @e.text
end
button "collect" do
@l.items.collect! { |n| n.reverse }
end
}
Version data entries
6 entries across 6 versions & 2 rubygems