# Copyright (c) 2007-2021 Andy Maleh # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the # "Software"), to deal in the Software without restriction, including # without limitation the rights to use, copy, modify, merge, publish, # distribute, sublicense, and/or sell copies of the Software, and to # permit persons to whom the Software is furnished to do so, subject to # the following conditions: # # The above copyright notice and this permission notice shall be # included in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. class HelloListMultiSelection class Person attr_accessor :provinces, :provinces_options def initialize self.provinces_options = [ '', 'Alberta', 'British Columbia', 'Manitoba', 'New Brunswick', 'Newfoundland and Labrador', 'Northwest Territories', 'Nova Scotia', 'Nunavut', 'Ontario', 'Prince Edward Island', 'Quebec', 'Saskatchewan', 'Yukon' ] reset_provinces! end def reset_provinces! self.provinces = ['Quebec', 'Manitoba', 'Alberta'] end end include Glimmer::UI::CustomShell before_body { @person = Person.new } body { shell { grid_layout text 'Hello, List Multi Selection!' list(:multi) { selection bind(@person, :provinces) # also binds to provinces_options by convention } button { text 'Reset Selections To Default Values' on_widget_selected { @person.reset_provinces! } } } } end HelloListMultiSelection.launch