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Contents
class UIAlertView
# UIAlertView.alert("title",
# message: "help!",
# buttons: %w"OK Cancel No-way",
# cancel: proc{ puts "nevermind" },
# success: proc{ |pressed| puts "pressed: #{pressed}" },
# )
def self.alert(title, options={}, &block)
puts options
puts block
# create the delegate
delegate = SugarCube::AlertViewDelegate.new
delegate.on_success = block || options[:success]
delegate.on_cancel = options[:cancel]
delegate.send(:retain)
args = [title] # initWithTitle:
args << options[:message] # message:
args << delegate # delegate:
buttons = options[:buttons] || []
if buttons.empty?
# cancelButtonTitle: is first, so check for cancel
buttons << "Cancel" if options[:cancel]
# otherButtonTitles:
buttons << "OK" if options[:success] or buttons.empty?
elsif buttons.length == 1 and options[:cancel]
raise "If you only have one button, use a :success handler, not :cancel (and definitely not BOTH)"
end
# the button titles. These are passed to the success handler.
delegate.buttons = buttons
# uses localized buttons in the actual alert
args.concat(buttons.map{ |s| s.localized })
args << nil # otherButtonTitles:..., nil
alert = self.alloc
alert.send(:"initWithTitle:message:delegate:cancelButtonTitle:otherButtonTitles:", *args)
alert.show
alert
end
end
module SugarCube
class AlertViewDelegate
attr_accessor :buttons
attr_accessor :on_cancel
attr_accessor :on_success
def alertView(alert, didDismissWithButtonIndex:index)
if on_cancel
on_cancel.call
elsif on_success
if on_success.arity == 0
on_success.call
else
button = buttons[index]
on_success.call(button)
end
end
self.send(:autorelease)
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems