// This document is not to be edited as it will be versioned
// -----------------------------------------------------------------


// This document is to house Toadstools dynamic mixins with arguments
// These mixins are not intended to be application specific


// required default value to for vendor prefix support
// -----------------------------------------------------
$prefix_defaults: -moz- -webkit- -o- -ms- '' !default;
$webkit_support: -webkit- '' !default;
$moz_support: -moz- !default;
$ms_support: -ms- !default; 
$moz_webkit_support: -moz- -webkit- '' !default;
$moz_ms_support: -moz- -ms- '' !default;
$webkit_ms_support: -webkit- -ms- !default;




/////// shadow arguments /////////
// -------------------------------
$shadow: #{$h-shadow / $em}em #{$v-shadow / $em}em #{$blur / $em}em;
$inset_shadow: #{$ih-shadow / $em}em #{$iv-shadow / $em}em #{$iblur / $em}em;

@mixin box_shadow ($shadow_color, $shadow, $prefixes: $prefix_defaults) {
	@each $prefix in $prefixes {
		#{$prefix}box-shadow: $shadow_color $shadow;
	}
}

@mixin dual_box_shadow ($shadow_color, $shadow, $inset_color, $inset_shadow, $prefixes: $prefix_defaults) {
	@each $prefix in $prefixes {
		#{$prefix}box-shadow: $shadow_color $shadow, inset $inset_color $inset_shadow;
	}
}

@mixin text_shadow ($shadow_color, $shadow, $prefixes: $prefix_defaults) {
	@each $prefix in $prefixes {
		#{$prefix}text-shadow: $shadow_color $shadow;
	}
}
/////// shadow arguments /////////



/////// border-radius arguments	/////////
// --------------------------------------
@mixin border_radius ($border_radius, $prefixes: $webkit_support) {
	@each $prefix in $prefixes {
		#{$prefix}border-radius: $border_radius;
	}
}
/////// border-radius arguments	/////////



/////// box-sizing arguments	/////////
// --------------------------------------
@mixin box_sizing ($box_sizing: border-box, $prefixes: $moz_webkit_support) {
	@each $prefix in $prefixes {
		#{$prefix}box-sizing: $box_sizing;
	}
}
/////// box-sizing arguments	/////////



/////// input_placeholder arguments	/////////
// --------------------------------------
@mixin input_placeholder ($placeholder_color, $placeholder_prefix: $moz_support, $input-placeholder_prefix: $webkit_ms_support) {
	@each $prefix in $input-placeholder_prefix {
	 &::#{$prefix}input-placeholder {
	 	color: $placeholder_color;
	 }
	}
	@each $prefix in $placeholder_prefix {
	 &:#{$prefix}placeholder {
	 	color: $placeholder_color;
	 }
	}
}
/////// input_placeholder arguments	/////////




/////////// image with gradient background ////////////
// ------------------------------------------------- //

// This tool is pretty crazy and a little complex. Purpose is to simplify the creation of dual background assets that consist of an image and a gradient background. 
// This tool also requires that a gradient object be created as variables. 
// Known restrictions ... images must be .png, position of background is currently hard-coded
@mixin icon_gradient_background($icon_image, $fallback_color, $w3c_color_spec, $safari_color_spec, $ie_start, $ie_stop) {
	// w3c //: 
	@include linear_gradient_bkgimage ('#{$imgDir}#{$icon_image}.png',5% 50%, $fallback_color, $w3c_color_spec);
	// legacy safari //
	@include linear_gradient_bkgimage_legacy_safari ('#{$imgDir}#{$icon_image}.png', 5% 50%, $safari_color_spec);
	// IE suck
	@include linear_gradient_legacy_ie ($ie_start, $ie_stop);
}

// Example using this mixin
// .your_new_class {
// 	@include icon_gradient_background(
// 		$icon_image: play_icon, 
// 		$fallback_color: $echo_color_bravo, 
// 		$w3c_color_spec: $alpha_color_gradient_var_w3c, 
// 		$safari_color_spec: $alpha_color_gradient_var_legacy_safari, 
// 		$ie_start: $echo_color_delta, 
// 		$ie_stop: $echo_color_delta);
// 	}
// }



/////// column count arguments	/////////
// --------------------------------------
@mixin column_count($col_count, $col_gap, $prefixes: $prefix_defaults) {
	@each $prefix in $prefixes {
		#{$prefix}column-count: $col_count;
		#{$prefix}column-gap: $col_gap;
	}
}
/////// column count arguments	/////////



///////// flexbox arguments	/////////
// -----------------------------------
@mixin flexbox ($width, $height, $orient: horizontal, $pack: center, $align: center, $prefixes: $prefix_defaults) {
	@each $prefix in $prefixes {
		display: #{$prefix}box;
		#{$prefix}box-orient: $orient;
		#{$prefix}box-pack: $pack;
		#{$prefix}box-align: $align;
	}
	height: $height;
	width: $width;
}

	
@mixin flex ($value, $prefixes: $prefix_defaults) {
	@each $prefix in $prefixes {
		#{$prefix}box-flex: $value;
	}
}
///////// flexbox arguments	/////////



/////// transition arguments //////////
// http://www.w3schools.com/css3/css3_pr_transition.asp
@mixin transition ($property, $duration, $timing_function, $delay, $prefixes: $prefix_defaults) {
	@each $prefix in $prefixes {
		#{$prefix}transition: $property $duration $timing_function $delay;
	}
}
/////// transition arguments //////////



/////// transform arguments //////////
// http://www.w3schools.com/css3/css3_pr_transform.asp
@mixin transform ($function, $prefixes: $prefix_defaults) {
	@each $prefix in $prefixes {
		#{$prefix}transform: $function;
	}
}
/////// transform arguments //////////



////////// style placeholder text //////////
@mixin placeholder_styles ($color) {
	color: $color;
}

@mixin placeholder ($color) {
	&::-webkit-input-placeholder {
		@include placeholder_styles ($color);
	}
	&:-moz-placeholder {
		@include placeholder_styles ($color);
	}
	&:-ms-input-placeholder {
		@include placeholder_styles ($color);
	}
}
////////// style placeholder text //////////



////////////// hide text ////////////
// Kellum Method
// http://www.zeldman.com/2012/03/01/replacing-the-9999px-hack-new-image-replacement/
@mixin hide_text {
	text-indent: 100%;
	white-space: nowrap;
	overflow: hidden;
	display: none;
}
////////////// hide text ////////////



/////// clearfix //////////
@mixin clearfix () {
	zoom: 1;
	&:before {
		content: "\0020";
		display: block;
		height: 0;
		overflow: hidden;
	}
	&:after {
		content: "\0020";
		display: block;
		height: 0;
		overflow: hidden;
		clear: both;
	}
}
/////// clearfix //////////



///////// inset border /////////
@mixin inset_border () {
	@include box_shadow(inset 0 0 1px, $alpha_gray);
}
///////// inset border /////////



/////// center text trick	/////////
// ---------------------------------
// By setting the height of the block element and the line-height to the same value
// this will typically center the text in the block.
// If for some reason this needs adjustment, set a new value for the $line_height.
//
//
@mixin center_text ($block_height, $line_height: $block_height) {
	height: $block_height;
	line-height: $line-height;
}
/////// center text trick	/////////



// a standardized border radius
// ----------------------------
@mixin standard_rounded_border ($standard_round_corner, $standard_border_style, $standard_corner_width, $standard_border_color) {
	@include border_radius(#{$standard_round_corner / $em}rem);
	border: $standard_corner_width $standard_border_style $standard_border_color;
}



// This mixin is used for a linear layout of LIs versus using floats
// Build off of the ``flexbox`` mixin, this tool allows for quick 
// development of a ul/li layout using flexbox
// -----------------------------------------------------------------
@mixin ul_flexbox ($width :100%, $height: auto, $text_align :center) {
  ul {
    @include flexbox (horizontal, center, stretch, $width, $height);
  }
  li {
    @include flex(1);
    text-align: $text_align;
    height: $height;
    line-height: $height;
  }
}


// Standard block clear and default spacing
// This tool is designed to be a standard spacing element between markup blocks.
// The only value to be adjusted is the margin-bottom spacing.  This is an argument addressed 
// in the ``_config.scss`` file
@mixin standard_block_spacing ($default_block_spacing) {
	@include clearfix;
	margin-bottom: #{$default_block_spacing / $em}em;
}



// This mixin allows for quick application of a UI to the <hr> tag
// All values are set in the ``_config.scss`` file
@mixin standard_hr ($standard_border_style, $standard_hr_width, $standard_hr_spacing, $standard_hr_color){
	border-bottom: $standard_hr_width $standard_border_style $standard_hr_color;
	padding-bottom: #{$standard_hr_spacing / $em}rem;
	margin-bottom: #{$standard_hr_spacing / $em}rem;
}



// This series of mixins sets default values for consistant use of text and box shadows
// throughout your site.  Values are set in the ``_config.scss`` file
@mixin primary_text_shadow ($h-shadow, $v-shadow, $blur ) {
	@include text_shadow ($shadow_color, #{$h-shadow / $em}em #{$v-shadow / $em}em #{$blur / $em}em);
}

@mixin disabled_text_shadow ($h-shadow, $v-shadow, $blur ) {
	@include text_shadow (fade-out($shadow_color, 0.5), #{$h-shadow / $em}em #{$v-shadow / $em}em #{$blur / $em}em);
}

@mixin primary_box_shadow ($h-shadow, $v-shadow, $blur ) {
	@include box_shadow ($shadow_color, #{$h-shadow / $em}em #{$v-shadow / $em}em #{$blur / $em}em);
}

@mixin disabled_box_shadow ($h-shadow, $v-shadow, $blur ) {
	@include box_shadow (fade-out($shadow_color, 0.4), #{$h-shadow / $em}em #{$v-shadow / $em}em #{$blur / $em}em);
}