Implementing Page Parts in watir-page-helper

base_part.rb

require 'watir-page-helper'

class BasePart
  include WatirPageHelper

  attr_reader :part_key

  def initialize(browser, part_key)
    @part_key = part_key
    @browser = part_div(browser, part_key)

  end

  def part_div(browser, part_key)
    raise 'this method should be overridden and return the HTML element that holds the page part'
  end
end

Google Finance News Cluster.html

<div class="cluster">
  <div>
    <a class="title" href="http://www.smh.com.au/world/us-not-out-of-the-woods-yet-despite-deal-to-avert-default-20110801-1i8bt.html?from=smh_sb" rel="nofollow" id="n-hp-">US not out of the woods yet, despite deal to avert default</a>
  </div>
  <div class="byline">
    <span class="src">Sydney Morning Herald</span>
    <span class="date" tm="1312209001"> - 17 minutes ago</span></div>
    <!-- google_ad_section_end -->
    <div class="snippet">A deal may have been reached but the US still faces some tough economic hurdles. Photo: AFP THE US could still lose its coveted AAA credit rating in coming months despite a last-minute deal struck yesterday between the White House and Republicans that ...</div>
    <!-- google_ad_section_start -->
  </div>
</div>

google_finance_no_page_part.rb

require 'watir-page-helper'

class GoogleFinance
  include WatirPageHelper

  div :news_items, :id => "market-news-stream"

  def initialize(browser)
    @browser = browser
  end

  def news_item(index)
    news_items_div.divs[index]
  end

  def news_link(index)
    news_link_link(index).click
  end

  def news_link_link(index)
    news_item(index).a
  end

  def news_snippet_div_div(index)
    news_item(index).div(:class, "snippet")
  end

  def news_snippet_div(index)
    news_snippet_div_div(index).text
  end

end

google_finance_part.rb

class GoogleFinancePart < BasePart

  link :news_link, :index => 0
  div :news_snippet, :class => "snippet"

  def initialize(browser, index)
    super(browser, index)
  end

  def part_div(browser, index)
    browser.div(:id, "market-news-stream").divs[index]
  end

end

google_finance_part_pass_thru.rb

class GoogleFinancePart

  def initialize(div)
    @news_item = div
  end

  def news_link
    news_link_link.click
  end

  def news_link_link
    @news_item.a
  end

  def news_snippet_div_div
    @news_item.div(:class, "snippet")
  end

  def news_snippet_div
    news_snippet_div_div.text
  end
end

google_finance_pass_thru.rb

require 'watir-page-helper'

class GoogleFinance
  include WatirPageHelper

  div :news_items, :id => "market-news-stream"

  def initialize(browser)
    @browser = browser
  end

  def news_item(index)
    GoogleFinancePart.new(news_items_div.divs[index])
  end

  def news_link(index)
    news_link_link(index).click
  end

  def news_link_link(index)
    news_item(index).a
  end

  def news_snippet_div_div(index)
    news_item(index).div(:class, "snippet")
  end

  def news_snippet_div(index)
    news_snippet_div_div(index).text
  end

end