Current Directory: /home/astoriaah/www/templates/yootheme/vendor/assets/uikit/src/js/core
Viewing File: /home/astoriaah/www/templates/yootheme/vendor/assets/uikit/src/js/core/grid.js
import Margin from './margin';
import Class from '../mixin/class';
import {addClass, css, hasClass, height as getHeight, scrolledOver, toFloat, toggleClass, toNodes, sortBy} from 'uikit-util';
export default {
extends: Margin,
mixins: [Class],
attrs: true,
name: 'grid',
props: {
masonry: Boolean,
parallax: Number
},
data: {
margin: 'uk-grid-margin',
clsStack: 'uk-grid-stack',
masonry: false,
parallax: 0
},
computed: {
length(_, $el) {
return $el.children.length;
},
parallax({parallax}) {
return parallax && this.length ? Math.abs(parallax) : '';
}
},
connected() {
this.masonry && addClass(this.$el, 'uk-flex-top uk-flex-wrap-top');
},
update: [
{
read({rows}) {
if (this.masonry || this.parallax) {
rows = rows.map(elements => sortBy(elements, 'offsetLeft'));
}
const hasStaticContent = rows.some(elements => elements.some(element => css(element, 'position') === 'static'));
let translates = false;
let elHeight = '';
if (this.masonry && this.length) {
let height = 0;
translates = rows.reduce((translates, row, i) => {
translates[i] = row.map((_, j) => i === 0 ? 0 : toFloat(translates[i - 1][j]) + (height - toFloat(rows[i - 1][j] && rows[i - 1][j].offsetHeight)));
height = row.reduce((height, el) => Math.max(height, el.offsetHeight), 0);
return translates;
}, []);
elHeight = maxColumnHeight(rows) + getMarginTop(this.$el, this.margin) * (rows.length - 1);
}
return {rows, translates, height: hasStaticContent ? elHeight : undefined};
},
write({stacks, height}) {
toggleClass(this.$el, this.clsStack, stacks);
css(this.$el, {
height,
paddingBottom: this.parallax
});
},
events: ['load', 'resize']
},
{
read({height}) {
return {
scrolled: this.parallax
? scrolledOver(this.$el, height ? height - getHeight(this.$el) : 0) * this.parallax
: false
};
},
write({rows, scrolled, translates}) {
if (scrolled === false && !translates) {
return;
}
rows.forEach((row, i) =>
row.forEach((el, j) =>
css(el, 'transform', !scrolled && !translates ? '' : `translateY(${
(translates && -translates[i][j]) + (scrolled ? j % 2 ? scrolled : scrolled / 8 : 0)
}px)`)
)
);
},
events: ['scroll', 'load', 'resize']
}
]
};
function getMarginTop(root, cls) {
const nodes = toNodes(root.children);
const [node] = nodes.filter(el => hasClass(el, cls));
return toFloat(node
? css(node, 'marginTop')
: css(nodes[0], 'paddingLeft'));
}
function maxColumnHeight(rows) {
return Math.max(...rows.reduce((sum, row) => {
row.forEach((el, i) => sum[i] = (sum[i] || 0) + el.offsetHeight);
return sum;
}, []));
}