Class: CSSquirt::ImageFileList

Inherits:
Rake::FileList
  • Object
show all
Defined in:
lib/cssquirt/file_list.rb

Instance Method Summary collapse

Instance Method Details

#to_css(prefix = "example", header = true) ⇒ Object

Public: return a CSS document of all images

prefix - an optional String to automatically prefix all class names with, useful

for namespacing, etc. Default: nil.

header - a optional Boolean value representing whether or not to include the

"generated by" credit in the header of the CSS document. Default: true.

Returns a CSS document as a String.



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# File 'lib/cssquirt/file_list.rb', line 13

def to_css(prefix="example", header=true)
  css_classes = self.zip(self.to_images).map do |item|
    item_filelist,item_imagefile = item[0],item[1]
    item_imagefile.as_css_background_with_class( prefix + "-#{item_filelist.pathmap('%n')}" )
  end

  header_msg = "/* Generated with CSSquirt! (http://github.com/mroth/cssquirt/) */\n"
  header_msg = '' if header == false
  header_msg + css_classes.join("\n")
end

#to_images ⇒ Object

Public: map the filelist to ImageFiles, handling any errors.

For now, this just reports errors to STDERR so they can be noted.

Returns an Array of ImageFiles.



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# File 'lib/cssquirt/file_list.rb', line 28

def to_images
  image_map = []
  self.each do |file|
    begin
      image_map << ImageFile.new(file)
    rescue Exception => e
     $stderr.puts "WARNING: skipped file - #{e.message}"
    end
  end
  image_map
end