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