// /**
//  * Copyright (C) 2013 Crossing Hippos - Babs Gösgens. All rights reserved.
//  * Licensed under GNU General Public License version 2 or later; see LICENSE.txt
//  */
@if $trace-imports { @debug 'imported'; }


//  ==========================================================================
//  Mixin column behavior
//  --------------------------------------------------------------------------
//  @param (boolean) $apply-border-box
//  @param (boolean) $column-float
//  ==========================================================================
@mixin column-behavior($apply-border-box: $apply-border-box, $column-float: $column-float)
{
	@if $column-float {
		display: block;
		float: left;
	}
	@else {
		@include inline-block(top);
		@if $negative-right-margin {
			margin-right: $negative-right-margin !important;
		}
	}

	@if $apply-border-box {
		@include box-sizing('border-box');
	}
}


//  ==========================================================================
//  Mixin column width
//  --------------------------------------------------------------------------
//  @param (string) $fraction
//  @param (boolean) $persistent
//  ==========================================================================
@mixin column-width($fraction: $column-width-default, $persistent: false)
{
	@if $persistent {
		width: fraction-to-percentage($fraction) !important;
	}
	@else {
		width: fraction-to-percentage($fraction);
		@if $column-breakpoint {
			@include breakpoint( $column-breakpoint ) {
				width: 100%;
			}
		}
	}

	// /*
	//  *Remove negative margin on elements that span full width of their container
	//  */
	@if $fraction == 1/1 and $negative-right-margin {
		margin-right: 0;
	}
}


//  ==========================================================================
//  Mixin column spacing
//  --------------------------------------------------------------------------
//	Uses padding by default, can be overridden to use margins instead,
//  this is especially helpful when assigning backgrounds or borders
//  --------------------------------------------------------------------------
//  @param (string) $fraction
//  @param (boolean) $use-margin
//  @param (boolean) $persistent
//  ==========================================================================
@mixin column-spacing($fraction: 1/2, $use-margin: false, $persistent: $column-spacing-persistent)
{
	@if ($use-margin) {
		margin-left: horizontal-rhythm($fraction);
		margin-right: horizontal-rhythm($fraction);
		@if $persistent == false {
			@if $column-breakpoint {
				@include breakpoint( $column-breakpoint ) {
					margin-left: horizontal-rhythm($fraction/2);
					margin-right: horizontal-rhythm($fraction/2);
				}
			}
		}
	}
	@else {
		padding-left: horizontal-rhythm($fraction);
		padding-right: horizontal-rhythm($fraction);
		@if $persistent == false {
			@if $column-breakpoint {
				@include breakpoint( $column-breakpoint ) {
					padding-left: horizontal-rhythm($fraction/2);
					padding-right: horizontal-rhythm($fraction/2);
				}
			}
		}
	}
}


//  ==========================================================================
//  Shorthand mixin for column
//  --------------------------------------------------------------------------
//	Uses padding by default, can be overridden to use margins instead,
//  this is especially helpful when assigning backgrounds or borders
//  --------------------------------------------------------------------------
//  @param (string) $fraction
//  @param (boolean) $persistent
//  @param (boolean) $apply-padding
//  @param (boolean) $apply-margin
//  ==========================================================================
@mixin column($fraction: 1/1, $persistent: false, $apply-padding: 1/2, $apply-margin: false)
{
	@include column-behavior();

	@include column-width($fraction, $persistent);

	@if $apply-padding {
		@include column-spacing($apply-padding);			
	}

	@if $apply-margin {
		@include column-spacing($apply-margin, true);			
	}
}


//  ==========================================================================
//  Shorthand mixin for column
//  --------------------------------------------------------------------------
//	Fixes content width and centers in viewport.
//  --------------------------------------------------------------------------
//  @param (string) $root-max-width
//  @param (boolean) $set-display
//  ==========================================================================
@mixin root($root-max-width: $root-max-width, $set-display: false)
{
	@if $set-display {
		display: block;
	}

	@if $root-position==center {
		margin: 0 auto;
	}

	max-width: $root-max-width;
}


//  ==========================================================================
//  Mixin for column container
//  --------------------------------------------------------------------------
//	Use it to remove column spacing on columns
//  --------------------------------------------------------------------------
//  @param (boolean) $use-margin
//  ==========================================================================
@mixin container-behavior($use-margin: false)
{
	@if $use-margin {
		margin-left: 0;
		margin-right: 0;
	}
	@else {
		padding-left: 0;
		padding-right: 0;
	}
}


//  ==========================================================================
//  Mixin for soure ordering
//  --------------------------------------------------------------------------
//  @param (string) $fraction
//  ==========================================================================
@mixin move($fraction)
{
	position: relative;
	left: fraction-to-percentage($fraction);
}


//  ==========================================================================
//  Mixin for soure ordering
//	Will reset positioning if $persistent is false
//
//  @param (string) $fraction
//  @param (boolean) $persistent
//  ==========================================================================
@mixin push($fraction, $persistent: false)
{
	@include move($fraction);

	@if $persistent == false {
		@extend %reset-source-order;
	}
}


//  ==========================================================================
//  Mixin for soure ordering
//	Will reset positioning if $persistent is false
//
//  @param (string) $fraction
//  @param (boolean) $persistent
//  ==========================================================================
@mixin pull($fraction, $persistent: false)
{
	@include move(-1*$fraction);

	@if $persistent == false {
		@extend %reset-source-order;
	}
}


//  ==========================================================================
//  Mixin for soure ordering
//	Will reset positioning for smallest breakpoint.
//
//  @param (string) $fraction
//  @param (boolean) $persistent
//  ==========================================================================
@mixin reset-source-order
{
	@if $column-breakpoint {
		@include breakpoint( $column-breakpoint ) {
			position: static;
			position: initial;
		}
	}
}


//  ==========================================================================
//  Mixin to reverse padding on a container
//  --------------------------------------------------------------------------
//	Use it to remove padded column spacing on columns,
//  helpful when nesting columns
//  --------------------------------------------------------------------------
//  @param (string) $fraction
//  @param (boolean) $persistent
//  ==========================================================================
@mixin bleed($fraction: -1/2, $persistent: false)
{
	@include column-spacing($fraction, true);
}