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module BW
class UIAlertView < ::UIAlertView
@callbacks = [
:will_present,
:did_present,
:on_system_cancel,
:enable_first_other_button?,
:on_click,
:will_dismiss,
:did_dismiss
]
KEYBOARD_TYPES = {
default: UIKeyboardTypeDefault,
ascii: UIKeyboardTypeASCIICapable,
numbers_punctuation: UIKeyboardTypeNumbersAndPunctuation,
url: UIKeyboardTypeURL,
number_pad: UIKeyboardTypeNumberPad,
phone_pad: UIKeyboardTypePhonePad,
name_phone_pad: UIKeyboardTypeNamePhonePad,
email_address: UIKeyboardTypeEmailAddress,
email: UIKeyboardTypeEmailAddress, # Duplicate to help developers
decimal_pad: UIKeyboardTypeDecimalPad,
twitter: UIKeyboardTypeTwitter,
web_search: UIKeyboardTypeWebSearch,
alphabet: UIKeyboardTypeASCIICapable
}
class << self
attr_reader :callbacks
def new(options = {}, &block)
view = alloc.initWithTitle(options[:title],
message: options[:message],
delegate: nil,
cancelButtonTitle: nil,
otherButtonTitles: nil
)
Array(options[:buttons]).each { |title| view.addButtonWithTitle(title) }
view.style = options[:style]
view.delegate = view
view.cancel_button_index = options[:cancel_button_index]
view.instance_variable_set(:@handlers, {})
block.weak! if block && BubbleWrap.use_weak_callbacks?
options[:on_click] ||= block
callbacks.each do |callback|
view.send(callback, &options[callback]) if options[callback]
end
view
end
def default(options = {}, &block)
options = {buttons: "OK"}.merge!(options)
options[:style] = :default
new(options, &block)
end
def plain_text_input(options = {}, &block)
options = {buttons: ["Cancel", "OK"],
cancel_button_index: 0}.merge!(options)
options[:style] = :plain_text_input
new(options, &block).tap do |view|
view.textFieldAtIndex(0).tap do |tf|
tf.text = options[:text] if options[:text]
tf.placeholder = options[:placeholder] if options[:placeholder]
tf.keyboardType = (KEYBOARD_TYPES[options[:keyboard_type]] || options[:keyboard_type]) if options[:keyboard_type]
end
end
end
def secure_text_input(options = {}, &block)
options = {buttons: ["Cancel", "OK"],
cancel_button_index: 0}.merge!(options)
options[:style] = :secure_text_input
new(options, &block)
end
def login_and_password_input(options = {}, &block)
options = {buttons: ["Cancel", "Log in"],
cancel_button_index: 0}.merge!(options)
options[:style] = :login_and_password_input
new(options, &block)
end
end
def style
alertViewStyle
end
def style=(value)
self.alertViewStyle = Constants.get("UIAlertViewStyle", value) if value
end
def cancel_button_index
cancelButtonIndex
end
def cancel_button_index=(value)
self.cancelButtonIndex = value if value
end
###############################################################################################
attr_accessor :clicked_button
protected :clicked_button=
class ClickedButton
def initialize(alert, index)
@index = index
@title = alert.buttonTitleAtIndex(index)
@cancel = alert.cancelButtonIndex == index
end
attr_reader :index, :title
def cancel?; @cancel end
end
###############################################################################################
attr_reader :handlers
protected :handlers
callbacks.each do |callback|
define_method(callback) do |&block|
return handlers[callback] unless block
handlers[callback] = block if block
self
end
end
# UIAlertViewDelegate protocol ################################################################
def willPresentAlertView(alert)
alert.clicked_button = nil
handlers[:will_present].call(alert) if handlers[:will_present]
end
def didPresentAlertView(alert)
alert.clicked_button = nil
handlers[:did_present].call(alert) if handlers[:did_present]
end
def alertViewCancel(alert)
alert.clicked_button = nil
handlers[:on_system_cancel].call(alert) if handlers[:on_system_cancel]
end
def alertViewShouldEnableFirstOtherButton(alert)
alert.clicked_button = nil
handlers[:enable_first_other_button?].call(alert) if handlers[:enable_first_other_button?]
end
def alertView(alert, clickedButtonAtIndex:index)
alert.clicked_button = ClickedButton.new(alert, index)
handlers[:on_click].call(alert) if handlers[:on_click]
end
def alertView(alert, willDismissWithButtonIndex:index)
alert.clicked_button = ClickedButton.new(alert, index)
handlers[:will_dismiss].call(alert) if handlers[:will_dismiss]
end
def alertView(alert, didDismissWithButtonIndex:index)
alert.clicked_button = ClickedButton.new(alert, index)
handlers[:did_dismiss].call(alert) if handlers[:did_dismiss]
end
###############################################################################################
def plain_text_field
textFieldAtIndex(0) if style == UIAlertViewStylePlainTextInput
end
def secure_text_field
textFieldAtIndex(0) if style == UIAlertViewStyleSecureTextInput
end
def login_text_field
textFieldAtIndex(0) if style == UIAlertViewStyleLoginAndPasswordInput
end
def password_text_field
textFieldAtIndex(1) if style == UIAlertViewStyleLoginAndPasswordInput
end
end
Constants.register(
UIAlertViewStyleDefault,
UIAlertViewStylePlainTextInput,
UIAlertViewStyleSecureTextInput,
UIAlertViewStyleLoginAndPasswordInput
)
end