moved files around
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Scott Davis
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463ee01a12
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module Compass
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class SpriteMap
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attr_reader :uri, :options
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def initialize(uri, options)
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@uri, @options = uri, options
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end
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def name
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ensure_path_and_name!
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@name
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end
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def path
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ensure_path_and_name!
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@path
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end
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def files
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@files ||= Dir[File.join(Compass.configuration.images_path, uri)].sort
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end
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def sprite_names
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@sprite_names ||= files.collect { |file| File.basename(file, '.png') }
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end
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def sass_options
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@sass_options ||= options.merge(:filename => name, :syntax => :scss, :importer => self)
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end
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def mtime
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Compass.quick_cache("mtime:#{uri}") do
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files.collect { |file| File.mtime(file) }.max
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end
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end
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def sass_engine
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Sass::Engine.new(content_for_images, options)
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end
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private
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def ensure_path_and_name!
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return if @path && @name
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uri =~ %r{((.+/)?(.+))/(.+?)\.png}
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@path, @name = $1, $3
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end
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def content_for_images(skip_overrides = false)
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<<-SCSS
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@import "compass/utilities/sprites/base";
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// General Sprite Defaults
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// You can override them before you import this file.
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$#{name}-sprite-base-class: ".#{name}-sprite" !default;
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$#{name}-sprite-dimensions: false !default;
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$#{name}-position: 0% !default;
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$#{name}-spacing: 0 !default;
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$#{name}-repeat: no-repeat !default;
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$#{name}-prefix: '' !default;
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#{skip_overrides ? "$#{name}-sprites: sprite-map(\"#{uri}\");" : generate_overrides }
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// All sprites should extend this class
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// The #{name}-sprite mixin will do so for you.
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\#{$#{name}-sprite-base-class} {
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background: $#{name}-sprites no-repeat;
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}
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// Use this to set the dimensions of an element
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// based on the size of the original image.
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@mixin #{name}-sprite-dimensions($name) {
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@include sprite-dimensions($#{name}-sprites, $name)
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}
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// Move the background position to display the sprite.
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@mixin #{name}-sprite-position($name, $offset-x: 0, $offset-y: 0) {
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@include sprite-background-position($#{name}-sprites, $name, $offset-x, $offset-y)
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}
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// Extends the sprite base class and set the background position for the desired sprite.
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// It will also apply the image dimensions if $dimensions is true.
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@mixin #{name}-sprite($name, $dimensions: $#{name}-sprite-dimensions, $offset-x: 0, $offset-y: 0) {
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@extend \#{$#{name}-sprite-base-class};
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@include sprite($#{name}-sprites, $name, $dimensions, $offset-x, $offset-y)
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}
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@mixin #{name}-sprites($sprite-names, $dimensions: $#{name}-sprite-dimensions, $prefix: sprite-map-name($#{name}-sprites)) {
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@include sprites($#{name}-sprites, $sprite-names, $#{name}-sprite-base-class, $dimensions, $prefix)
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}
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// Generates a class for each sprited image.
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@mixin all-#{name}-sprites($dimensions: $#{name}-sprite-dimensions, $prefix: sprite-map-name($#{name}-sprites)) {
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@include #{name}-sprites(#{sprite_names.join(" ")}, $dimensions, $prefix);
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}
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SCSS
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end
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def generate_overrides
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content = <<-TXT
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// These variables control the generated sprite output
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// You can override them selectively before you import this file.
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TXT
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sprite_names.map do |sprite_name|
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content += <<-SCSS
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$#{name}-#{sprite_name}-position: $#{name}-position !default;
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$#{name}-#{sprite_name}-spacing: $#{name}-spacing !default;
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$#{name}-#{sprite_name}-repeat: $#{name}-repeat !default;
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SCSS
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end.join
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content += "\n$#{name}-sprites: sprite-map(\"#{uri}\",\n"
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content += sprite_names.map do |sprite_name|
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%Q{ $#{sprite_name}-position: $#{name}-#{sprite_name}-position,
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$#{sprite_name}-spacing: $#{name}-#{sprite_name}-spacing,
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$#{sprite_name}-repeat: $#{name}-#{sprite_name}-repeat}
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end.join(",\n")
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content += ");"
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end
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end
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end
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@ -1,26 +0,0 @@
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module Compass
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class Sprites < Sass::Importers::Base
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def find_relative(*args)
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nil
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end
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def find(uri, options)
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if uri =~ /\.png$/
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SpriteMap.new(uri, options).sass_engine
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end
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end
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def key(uri, options)
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[self.class.name + ":" + File.dirname(File.expand_path(uri)),
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File.basename(uri)]
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end
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def mtime(uri, options)
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SpriteMap.new(uri, options).mtime
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end
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def to_s
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""
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end
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end
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end
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@ -1,52 +0,0 @@
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require 'spec_helper'
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require 'compass/sprite_map'
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require 'fakefs/spec_helpers'
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require 'timecop'
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describe Compass::SpriteMap do
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include FakeFS::SpecHelpers
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let(:sprite_map) { self.class.describes.new(uri, options) }
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let(:options) { { :test => :test2 } }
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subject { sprite_map }
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let(:path) { 'path' }
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let(:dir) { "dir/#{name}" }
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let(:name) { 'subdir' }
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let(:sprite_path) { File.join(path, dir) }
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let(:files) { (1..3).collect { |i| File.join(sprite_path, "#{i}.png") } }
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let(:expanded_files) { files.collect { |file| File.expand_path(file) } }
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let(:configuration) { stub(:images_path => path) }
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let(:mtime) { Time.now - 30 }
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before {
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Compass.stubs(:configuration).returns(configuration)
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FileUtils.mkdir_p(sprite_path)
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Timecop.freeze(mtime) do
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files.each { |file| File.open(file, 'w') }
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end
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Timecop.return
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}
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describe '#initialize' do
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let(:uri) { 'dir/subdir/*.png' }
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its(:uri) { should == uri }
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its(:path) { should == dir }
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its(:name) { should == name }
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its(:files) { should == expanded_files }
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its(:sass_options) { should == options.merge(:filename => name, :syntax => :scss, :importer => sprite_map) }
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its(:mtime) { should == mtime }
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it "should have a test for the sass engine" do
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pending 'sass'
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end
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end
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end
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@ -1,6 +0,0 @@
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require 'spec_helper'
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require 'compass/sprites'
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require 'fakefs/spec_helpers'
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describe Compass::Sprites do
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end
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