Method: Mechanize#click

Defined in:
lib/mechanize.rb

#click(link) ⇒ Object

If the parameter is a string, finds the button or link with the value of the string on the current page and clicks it. Otherwise, clicks the Mechanize::Page::Link object passed in. Returns the page fetched.



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# File 'lib/mechanize.rb', line 351

def click link
  case link
  when Page::Link then
    referer = link.page || current_page()
    if @agent.robots
      if (referer.is_a?(Page) and referer.parser.nofollow?) or
         link.rel?('nofollow') then
        raise RobotsDisallowedError.new(link.href)
      end
    end
    if link.noreferrer?
      href = @agent.resolve(link.href, link.page || current_page)
      referer = Page.new
    else
      href = link.href
    end
    get href, [], referer
  when String, Regexp then
    if real_link = page.link_with(:text => link)
      click real_link
    else
      button = nil
      # Note that this will not work if we have since navigated to a different page.
      # Should rather make each button aware of its parent form.
      form = page.forms.find do |f|
        button = f.button_with(:value => link)
        button.is_a? Form::Submit
      end
      submit form, button if form
    end
  when Form::Submit, Form::ImageButton then
    # Note that this will not work if we have since navigated to a different page.
    # Should rather make each button aware of its parent form.
    form = page.forms.find do |f|
      f.buttons.include?(link)
    end
    submit form, link if form
  else
    referer = current_page()
    href = link.respond_to?(:href) ? link.href :
      (link['href'] || link['src'])
    get href, [], referer
  end
end