Class: JekyllGooglePhotos::Tag

Inherits:
Liquid::Tag
  • Object
show all
Defined in:
lib/jekyll-google-photos/tag.rb

Instance Method Summary collapse

Constructor Details

#initialize(tagName, args, tokens) ⇒ Tag

Returns a new instance of Tag.



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# File 'lib/jekyll-google-photos/tag.rb', line 9

def initialize(tagName, args, tokens)
  super
  args = args.split(" ")
  @albumUrls = args[0]
  @maxWidth = args[1]
end

Instance Method Details

#addImages ⇒ Object 



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# File 'lib/jekyll-google-photos/tag.rb', line 58

def addImages()
  sp = %Q{<div class="flexbin">}
  idx = 0
  for x in @imgLinks
    link = x + "=w#{@maxWidth}"
    sp += %Q{
              <div onclick="showSlides(#{idx});" class="slideImgs">
                  <img src="#{link}" />
              </div>
    }
    idx += 1
  end
  sp += %Q{</div>}
  return sp
end

#createDOM ⇒ Object 



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# File 'lib/jekyll-google-photos/tag.rb', line 44

def createDOM()
  sp = "<script>"
  sp += "googlePhotos = {};"
  sp += URLsInJSON()
  sp += "</script>"
  if(@maxWidth != "none")
    sp += %Q{<style>}
    sp += flexbinCSS()
    sp += %Q{</style>}
    sp += addImages()
  end
  return sp
end

#flexbinCSS ⇒ Object 



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# File 'lib/jekyll-google-photos/tag.rb', line 30

def flexbinCSS()
  elem = JekyllGooglePhotos::FlexbinCSS()
  return elem
end

#getImageLinks(url) ⇒ Object 



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# File 'lib/jekyll-google-photos/tag.rb', line 16

def getImageLinks(url)
  doc = Nokogiri::HTML(open(url.strip).read)
  scripts = doc.xpath("//script")
  for x in scripts do
    if x.inner_html.match(/initDataCallback\(/)
      jsonString = x.inner_html
      jsonString = jsonString.sub(/.*function\(\)\{return /,"")
      jsonString["\n}});"] = ""
    end
  end
  json = JSON.parse(jsonString)
  return json[1]
end

#render(context) ⇒ Object 



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# File 'lib/jekyll-google-photos/tag.rb', line 74

def render(context)
  @imgLinks = []
  if @albumUrls[/https?:\/\/[\S]+/]
    albumUrls = [].push(@albumUrls)
  else
    albumUrls = context[@albumUrls.strip]
    if not albumUrls.instance_of? Array
      albumUrls = [].push(context[@albumUrls.strip])
    end
  end
  for albumUrl in albumUrls
      imageLinks = getImageLinks(albumUrl)
      for link in imageLinks
        @imgLinks.push(link[1][0])
      end
  end
  createDOM()
end

#URLsInJSON ⇒ Object 



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# File 'lib/jekyll-google-photos/tag.rb', line 35

def URLsInJSON()
  sp = "googlePhotos.urls = ["
  for x in @imgLinks
    sp += "\"#{x}\","
  end
  sp += "];"
  return sp
end