import "./waves.css";
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export default{
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bind(el, binding) {
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el.addEventListener("click", e => {
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const customOpts = Object.assign({}, binding.value);
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const opts = Object.assign({
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ele: el, // 波纹作用元素
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type: "hit", // hit 点击位置扩散 center中心点扩展
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color: "rgba(0, 0, 0, 0.15)" // 波纹颜色
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}, customOpts);
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const target = opts.ele;
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if (target) {
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target.style.position = "relative";
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target.style.overflow = "hidden";
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const rect = target.getBoundingClientRect();
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let ripple = target.querySelector(".waves-ripple");
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if (!ripple) {
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ripple = document.createElement("span");
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ripple.className = "waves-ripple";
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ripple.style.height = ripple.style.width = Math.max(rect.width, rect.height) + "px";
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target.appendChild(ripple);
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} else {
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ripple.className = "waves-ripple";
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}
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switch (opts.type) {
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case "center":
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ripple.style.top = (rect.height / 2 - ripple.offsetHeight / 2) + "px";
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ripple.style.left = (rect.width / 2 - ripple.offsetWidth / 2) + "px";
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break;
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default:
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ripple.style.top = (e.pageY - rect.top - ripple.offsetHeight / 2 - document.documentElement.scrollTop || document.body.scrollTop) + "px";
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ripple.style.left = (e.pageX - rect.left - ripple.offsetWidth / 2 - document.documentElement.scrollLeft || document.body.scrollLeft) + "px";
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}
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ripple.style.backgroundColor = opts.color;
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ripple.className = "waves-ripple z-active";
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return false;
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}
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}, false);
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}
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};
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