let isMousedown = false;
let mouseStarX = 0;
let materialMainContainer = document.getElementById('materialMainContainer');
function mousedown (event) {
isMousedown = true;
mouseStarX = event.offsetX;
}
function mousemove (event) {
const _this = this;
if (isMousedown) {
let mouseEndX = event.offsetX;
let mouseStarAndEndX = mouseStarX - mouseEndX;
if (mouseStarAndEndX !== 0) {
let scrollLeft = materialMainContainer.scrollLeft + mouseStarAndEndX;
if (scrollLeft > 0) {
materialMainContainer.scrollLeft = scrollLeft;
}
}
}
}
function mouseup (event) {
isMousedown = false;
}