Scss で grid layout

compass の _grid.scss を依存なしにしてみた。こういうかんじのパーツをいくつか自分用に確保しておくと製作がはかどりそうだ。

compass は、内部での依存がいろいろありすぎるというか密結合すぎるきらいがあるとおもった。そもそも compass の SCSS ライブラリ部分とコンパイラ部分を一緒に配布する必然性がないとおもう。

//  --------------------------------------------------------------
// This file is simplified version of grid.scss from compass.
// simplified by tokuhirom
//
//
//
//  SASS Gridification
//  * Author:   Chris Eppstein
//  A SASS adaptation of Blueprint CSS
//  * Version:         0.7.1 (2008-02-25)
//  * Website:         http://code.google.com/p/blueprintcss/
//  Based on work by:
//  * Lorin Tackett     [lorintackett.com]
//  * Olav Bjorkoy      [bjorkoy.com]
//  * Nathan Borror     [playgroundblues.com]
//  * Jeff Croft        [jeffcroft.com]
//  * Christian Metts   [mintchaos.com]
//  * Khoi Vinh         [subtraction.com]
//  Read more about using a grid here:
//  * http://www.subtraction.com/2007/03/18/oh-yeeaahh
//  --------------------------------------------------------------

@mixin blueprint-clearfix {
  zoom: 1;

  &:before,
  &:after {
    display: block; 
    height: 0; 
    visibility: hidden; 
    content: "\0020"; 
  }

  &:after {
    clear: both;
  }
}

// The number of columns in the grid.
$blueprint_grid_columns: 24 !default;

// The width of a column
$blueprint_grid_width: 30px !default;

// The amount of margin between columns
$blueprint_grid_margin: 10px !default;

// The width of a column including the margin. With default settings this is `40px`.
$blueprint_grid_outer_width: $blueprint_grid_width + $blueprint_grid_margin;

// The width of the container. With default settings this is `950px`.
$blueprint_container_size: $blueprint_grid_outer_width * $blueprint_grid_columns - $blueprint_grid_margin;

// A container for your columns.
//
// #### Note:
// If you use this mixin without the class and want to support ie6
// you must set text-align left on your container element in an IE stylesheet.
@mixin container {
  width: $blueprint_container_size;
  margin: 0 auto;
  @include blueprint-clearfix; }

// The last column in a row needs this mixin or it will end up
// on the next row in some browsers.
@mixin last {
  margin-right: 0; }

// Use this mixins to set the width of n columns.
@mixin column($n, $last: false) {
  @include column-base($last);
  @include span($n); }

// Set only the width of an element to align it with the grid.
// Most of the time you'll want to use `+column` instead.
//
// This mixin is especially useful for aligning tables to the grid.
@mixin span($n, $override: false) {
  $width: $blueprint_grid_width * $n + $blueprint_grid_margin * ($n - 1);
  @if $override {
    width: $width !important; }
  @else {
    width: $width; } }

// The basic set of styles needed to make an element
// behave like a column:
//
// * floated to left
// * gutter margin on the right (unless the last column)
// * Some IE fixes
//
// #### Note:
// This mixin gets applied automatically when using `+column`
// so you probably don't need to use it directly unless
// you need to deviate from the grid or are trying
// to reduce the amount of generated CSS.
@mixin column-base($last: false) {
  float: left;
  display: inline; // ← is this needed? tokuhirom@20110214
  @if $last {
    @include last; }
  @else {
    margin-right: $blueprint_grid_margin; }
  * html & {
    overflow-x: hidden; } }

// Mixin to a column to append n empty columns to the right
// by adding right padding to the column.
@mixin append($n) {
  padding-right: $blueprint_grid_outer_width * $n; }

// Mixin to a column to append n empty columns to the left
// by adding left padding to the column.
@mixin prepend($n) {
  padding-left: $blueprint_grid_outer_width * $n; }

// Adds trailing margin.
@mixin append-bottom($amount: 1.5em) {
  margin-bottom: $amount; }

// Adds leading margin.
@mixin prepend-top($amount: 1.5em) {
  margin-top: $amount; }

// Base styles that make it possible to pull an element to the left.
// #### Note:
// This mixin gets applied automatically when using `+pull`
// so you probably don't need to use it directly unless
// you need to deviate from the grid or are trying
// to reduce the amount of generated CSS.
@mixin pull-base {
  @include float-left;
  position: relative; }

// The amount of pulling for element to the left.
// #### Note:
// This mixin gets applied automatically when using `+pull`
// so you probably don't need to use it directly unless
// you need to deviate from the grid or are trying
// to reduce the amount of generated CSS.
@mixin pull-margins($n, $last: false) {
  @if $last {
    margin-left: -$blueprint_grid_outer_width * $n + $blueprint_grid_margin; }
  @else {
    margin-left: -$blueprint_grid_outer_width * $n; } }

// Moves a column `n` columns to the left.
//
// This mixin can also be used to change the display order of columns.
//
// If pulling past the last (visually) element in a row,
// pass `true` as the second argument so the calculations can adjust
// accordingly.

// For example:
//
// HTML:
// <pre class="source-code html">
// <div id="one">One</div>
// <div id="two">Two</div>
// </pre>
// Sass:
// <pre class="source-code sass">
// #one
//   +column(18, true)
//   +prepend(6)
// #two
//   +column(6)
//   +pull(18, true)
// </pre>
@mixin pull($n, $last: false) {
  @include pull-base;
  @include pull-margins($n, $last); }

@mixin push-base {
  float: right;
  display: inline;
  position: relative; }

@mixin push-margins($n) {
  margin: 0 (-$blueprint_grid_outer_width * $n) 1.5em $blueprint_grid_outer_width * $n; }

// mixin to a column to push it n columns to the right
@mixin push($n) {
  @include push-base;
  @include push-margins($n); }

// Border on right hand side of a column.
@mixin border($border_color: #eeeeee, $border_width: 1px) {
  padding-right: $blueprint_grid_margin / 2 - $border_width;
  margin-right: $blueprint_grid_margin / 2;
  border-right: #{$border_width} solid #{$border_color}; }

// Border with more whitespace, spans one column.
@mixin colborder($border_color: #eeeeee, $border_width: 1px) {
  padding-right: floor(($blueprint_grid_width + 2 * $blueprint_grid_margin - $border_width) / 2);
  margin-right: ceil(($blueprint_grid_width + 2 * $blueprint_grid_margin - $border_width) / 2);
  border-right: #{$border_width} solid #{$border_color}; }

// Mixin this to an hr to make a horizontal ruler across a column.
@mixin colruler($border_color: #dddddd) {
  background: $border_color;
  color: $border_color;
  clear: both;
  float: none;
  width: 100%;
  height: 0.1em;
  margin: 0 0 1.45em;
  border: none; }

// Mixin this to an hr to make a horizontal spacer across a column.
@mixin colspacer {
  @include colruler;
  background: white;
  color: white;
  visibility: hidden; }

Published: 2011-02-14(Mon) 02:21