halo-theme-hao/templates/assets/lib/waterfall.min.js

1 line
1.2 KiB
JavaScript

function waterfall(a){function b(a,b){var c=window.getComputedStyle(b);return parseFloat(c["margin"+a])||0}function c(a){return a+"px"}function d(a){return parseFloat(a.style.top)}function e(a){return parseFloat(a.style.left)}function f(a){return a.clientWidth}function g(a){return a.clientHeight}function h(a){return d(a)+g(a)+b("Bottom",a)}function i(a){return e(a)+f(a)+b("Right",a)}function j(a){a=a.sort(function(a,b){return h(a)===h(b)?e(b)-e(a):h(b)-h(a)})}function k(b){f(a)!=t&&(b.target.removeEventListener(b.type,arguments.callee),waterfall(a))}"string"==typeof a&&(a=document.querySelector(a));var l=[].map.call(a.children,function(a){return a.style.position="absolute",a});a.style.position="relative";var m=[];l.length&&(l[0].style.top="0px",l[0].style.left=c(b("Left",l[0])),m.push(l[0]));for(var n=1;n<l.length;n++){var o=l[n-1],p=l[n],q=i(o)+f(p)<=f(a);if(!q)break;p.style.top=o.style.top,p.style.left=c(i(o)+b("Left",p)),m.push(p)}for(;n<l.length;n++){j(m);var p=l[n],r=m.pop();p.style.top=c(h(r)+b("Top",p)),p.style.left=c(e(r)),m.push(p)}j(m);var s=m[0];a.style.height=c(h(s)+b("Bottom",s));var t=f(a);window.addEventListener?window.addEventListener("resize",k):document.body.onresize=k}