class Watir::Element::Scroll

Public Class Methods

new(element) click to toggle source
# File lib/browser_scroll/element/scroll.rb, line 4
def initialize(element)
  @element = element
end

Public Instance Methods

bottom() click to toggle source
# File lib/browser_scroll/element/scroll.rb, line 21
def bottom
  execute('arguments[0].scrollIntoView(false);', @element)
  self
end
by(left, top) click to toggle source
# File lib/browser_scroll/element/scroll.rb, line 38
def by(left, top)
  execute(
    'window.scrollBy(arguments[0], arguments[1]);',
    Integer(left), Integer(top)
  )
  self
end
middle() click to toggle source
# File lib/browser_scroll/element/scroll.rb, line 26
      def middle
        script = <<-JS
          var bodyRect = document.body.getBoundingClientRect();
          var elementRect = arguments[0].getBoundingClientRect();
          var left = (elementRect.left - bodyRect.left) - (window.innerWidth / 2);
          var top = (elementRect.top - bodyRect.top) - (window.innerHeight / 2);
          window.scrollTo(left, top);
        JS
        execute(script, @element)
        self
      end
scroll_to() click to toggle source
# File lib/browser_scroll/element/scroll.rb, line 12
def scroll_to
  top
end
to() click to toggle source
# File lib/browser_scroll/element/scroll.rb, line 8
def to
  self
end
top() click to toggle source
# File lib/browser_scroll/element/scroll.rb, line 16
def top
  execute('arguments[0].scrollIntoView();', @element)
  self
end

Private Instance Methods

execute(*args) click to toggle source
# File lib/browser_scroll/element/scroll.rb, line 48
def execute(*args)
  @element.browser.execute_script(*args)
end