Class: Browser::Event

Inherits:
Object show all
Defined in:
lib/browser/event.rb

Overview

Wrapper for JS events

Instance Method Summary collapse

Constructor Details

#initialize(native) ⇒ Event 



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# File 'lib/browser/event.rb', line 5

def initialize native
  @native = native
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object

Return properties on the event not covered by Ruby methods.



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# File 'lib/browser/event.rb', line 74

def method_missing name, *args
  property = name.gsub(/_[a-z]/) { |match| match[-1, 1].upcase }
  value = `#@native[property]`

  if `!!value && #{Proc === value}`
    value.call(*args)
  elsif `value == null`
    nil
  else
    value
  end
end

Instance Method Details

#alt? ⇒ Boolean 



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# File 'lib/browser/event.rb', line 55

def alt?
  `#@native.altKey`
end

#code ⇒ Numeric 



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# File 'lib/browser/event.rb', line 69

def code
  `#@native.keyCode`
end

#ctrl? ⇒ Boolean 



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# File 'lib/browser/event.rb', line 49

def ctrl?
  `#@native.ctrlKey`
end

#meta? ⇒ Boolean 



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# File 'lib/browser/event.rb', line 37

def meta?
  `#@native.metaKey`
end

#prevent ⇒ Browser::Event

Prevent the runtime from executing this event’s default behavior. For example, prevent navigation after clicking a link.



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# File 'lib/browser/event.rb', line 13

def prevent
  `#@native.preventDefault()`
  self
end

#prevented? ⇒ Boolean 



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# File 'lib/browser/event.rb', line 31

def prevented?
  `#@native.defaultPrevented`
end

#shift? ⇒ Boolean 



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# File 'lib/browser/event.rb', line 43

def shift?
  `#@native.shiftKey`
end

#stop_propagation ⇒ Object

Prevent the runtime from bubbling this event up the hierarchy. This is typically used to keep an event local to the element on which it was triggered, such as keeping a click event on a button from unintentionally triggering a handler on a parent element.



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# File 'lib/browser/event.rb', line 24

def stop_propagation
  `#@native.stopPropagation()`
  self
end

#target ⇒ Browser::Element

TODO:

Handle non-DOM events here

The target for this event



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# File 'lib/browser/event.rb', line 63

def target
  Element.new(`#@native.target`)
end

#to_n ⇒ JS 



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# File 'lib/browser/event.rb', line 88

def to_n
  @native
end