layout.less
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@row-prefix-cls: ~"@{css-prefix}row";
@col-prefix-cls: ~"@{css-prefix}col";
.make-row(@gutter: @grid-gutter-width) {
position: relative;
margin-left: (@gutter / -2);
margin-right: (@gutter / -2);
height: auto;
.clearfix;
}
.float-grid-columns(@class) {
.col(@index) { // initial
@item: ~".@{col-prefix-cls}-span@{class}-@{index}";
.col((@index + 1), @item);
}
.col(@index, @list) when (@index =< @grid-columns) { // general
@item: ~".@{col-prefix-cls}-span@{class}-@{index}";
.col((@index + 1), ~"@{list}, @{item}");
}
.col(@index, @list) when (@index > @grid-columns) { // terminal
@{list} {
float: left;
flex: 0 0 auto;
}
}
.col(1); // kickstart it
}
.loop-grid-columns(@index, @class) when (@index > 0) {
.@{col-prefix-cls}-span@{class}-@{index} {
display: block;
width: percentage((@index / @grid-columns));
}
.@{col-prefix-cls}@{class}-push-@{index} {
left: percentage((@index / @grid-columns));
}
.@{col-prefix-cls}@{class}-pull-@{index} {
right: percentage((@index / @grid-columns));
}
.@{col-prefix-cls}@{class}-offset-@{index} {
margin-left: percentage((@index / @grid-columns));
}
.@{col-prefix-cls}@{class}-order-@{index} {
order: @index;
}
.loop-grid-columns((@index - 1), @class);
}
.loop-grid-columns(@index, @class) when (@index = 0) {
.@{col-prefix-cls}-span@{class}-@{index} {
display: none;
}
.@{col-prefix-cls}@{class}-push-@{index} {
left: auto;
}
.@{col-prefix-cls}@{class}-pull-@{index} {
right: auto;
}
}
.make-grid(@class: ~'') {
.float-grid-columns(@class);
.loop-grid-columns(@grid-columns, @class);
}