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hello_computed.rb
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hello_computed.rb
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# Copyright (c) 2020-2022 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.
require 'glimmer-dsl-tk'
require_relative 'hello_computed/contact'
class HelloComputed
include Glimmer
def initialize
@contact = Contact.new(
first_name: 'Barry',
last_name: 'McKibbin',
year_of_birth: 1985
)
end
def launch
root {
title 'Hello, Computed!'
frame {
grid column: 0, row: 0, padx: 5, pady: 5
label {
grid column: 0, row: 0, sticky: 'w'
text 'First Name: '
}
entry {
grid column: 1, row: 0
width 15
text <=> [@contact, :first_name]
}
label {
grid column: 0, row: 1, sticky: 'w'
text 'Last Name: '
}
entry {
grid column: 1, row: 1
width 15
text <=> [@contact, :last_name]
}
label {
grid column: 0, row: 2, sticky: 'w'
text 'Year of Birth: '
}
entry {
grid column: 1, row: 2
width 15
text <=> [@contact, :year_of_birth]
}
label {
grid column: 0, row: 3, sticky: 'w'
text 'Name: '
}
label {
grid column: 1, row: 3, sticky: 'w'
text <=> [@contact, :name, computed_by: [:first_name, :last_name]]
}
label {
grid column: 0, row: 4, sticky: 'w'
text 'Age: '
}
label {
grid column: 1, row: 4, sticky: 'w'
text <=> [@contact, :age, on_write: :to_i, computed_by: :year_of_birth]
}
}
}.open
end
end
HelloComputed.new.launch