Class: Alula::ImageTag

Inherits:
Tag
  • Object
show all
Defined in:
lib/alula/core_ext/tags/image.rb

Instance Attribute Summary

Attributes included from LiquidExt

#context

Instance Method Summary collapse

Methods included from LiquidExt

included, #initialize, #render

Instance Method Details

#content ⇒ Object 



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# File 'lib/alula/core_ext/tags/image.rb', line 16

def content
  hires = hires_url(@source, :image)
  tag = "<a href=\"#{attachment_url(@source, :image)}\""
  tag += " data-hires=\"#{hires}\"" if context.site.config.attachments["image"]["hires"] and hires and !self.context.item.metadata.renderer.class.to_s[/FeedBuilder/]
  tag += ">"
  tag += imagetag(@source, :thumbnail)
  tag += "</a>"
end

#imagetag(source, type, opts = {}) ⇒ Object 



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# File 'lib/alula/core_ext/tags/image.rb', line 25

def imagetag(source, type, opts = {})
  src = attachment_url(source, type)
  hires = hires_url(source, type)
  
  classes = opts.delete(:classes) || @options["classes"]
  
  unless @options['alternative'] or @options['title']
    @options['title'] = info(source, type).title
    @options['alternative'] = info(source, type).title
  end
  
  tag = "<img"
  tag += " alt=\"#{@options["alternative"]}\"" if @options["alternative"]
  tag += " title=\"#{@options["title"]}\"" if @options["title"]
  tag += " class=\"#{classes.join(" ")}\""
  if context.site.config.attachments.image.lazyload and !self.context.item.metadata.renderer.class.to_s[/FeedBuilder/]
    tag += " src=\"#{asset_url("grey.gif")}\""
    tag += " data-original=\"#{src}\""
  else
    tag += " src=\"#{src}\""
  end
  tag += " data-hires=\"#{hires}\"" if context.site.config.attachments.image.hires and hires and !self.context.item.metadata.renderer.class.to_s[/FeedBuilder/]
  tag += " width=\"#{info(source, type).width}\" height=\"#{info(source, type).height}\""
  tag += " />"
end

#prepare ⇒ Object 



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# File 'lib/alula/core_ext/tags/image.rb', line 7

def prepare
  @info = {}

  @options["classes"] ||= []
  @options["title"] ||= @options["alternative"]
  @options["alternative"] ||= @options["title"]
  @options["classes"] += [@options["align"] || "left"]
end