Sha256: 07352d3429069ff2d83f1e4c4034788c93c1bf0884c826d245100bb7f2b12e90
Contents?: true
Size: 1.95 KB
Versions: 21
Compression:
Stored size: 1.95 KB
Contents
# encoding: utf-8
module Fidgit
class RadioButton < Button
attr_reader :group, :value
event :changed
def checked?; @checked; end
# @param (see Button#initialize)
# @param [Object] value
#
# @option (see Button#initialize)
# @option options [Boolean] :checked
def initialize(text, value, options = {}, &block)
options = {
checked: false,
checked_border_color: default(:checked, :border_color),
}.merge! options
@checked = options[:checked]
@value = value
super(text, options)
@checked_border_color = options[:checked_border_color].dup
@unchecked_border_color = border_color
add_to_group
@border_color = (checked? ? @checked_border_color : @unchecked_border_color).dup
end
def clicked_left_mouse_button(sender, x, y)
super
check
nil
end
# Check the button and update its group. This may uncheck another button in the group if one is selected.
def check
return if checked?
@checked = true
@group.value = value
@border_color = @checked_border_color.dup
publish :changed, @checked
nil
end
# Uncheck the button and update its group.
def uncheck
return unless checked?
@checked = false
@group.value = value
@border_color = @unchecked_border_color.dup
publish :changed, @checked
nil
end
protected
def parent=(parent)
@group.remove_button self if @parent
super(parent)
add_to_group if parent
parent
end
protected
def add_to_group
container = parent
while container and not container.is_a? Group
container = container.parent
end
raise "#{self.class.name} must be placed inside a group element" unless container
@group = container
@group.add_button self
nil
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems