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Fix waterfall hide bug (#166)

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* fix: waterfall: prevent loadMore after hide

* feat: add waterfall hidden test && remove waterfall auto install

* delete useless code
This commit is contained in:
Yao
2017-09-30 03:41:33 -05:00
committed by GitHub
parent b43b16d04c
commit 367a23ed48
5 changed files with 85 additions and 13 deletions
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10
packages/waterfall/directive.js
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@@ -32,12 +32,16 @@ function doBindEvent() {
function handleScrollEvent() {
const element = this.el;
const scrollEventTarget = this.scrollEventTarget;
// 已被禁止的滚动处理
if (this.disabled) return;
const targetScrollTop = Utils.getScrollTop(scrollEventTarget);
const targetBottom = targetScrollTop + Utils.getVisibleHeight(scrollEventTarget);
const targetVisibleHeight = Utils.getVisibleHeight(scrollEventTarget);
// 滚动元素可视区域下边沿到滚动元素元素最顶上 距离
const targetBottom = targetScrollTop + targetVisibleHeight;
// 如果无元素高度，考虑为元素隐藏，直接返回
if (!targetVisibleHeight) return;
// 判断是否到了底
let needLoadMoreToLower = false;
@@ -45,7 +49,7 @@ function handleScrollEvent() {
needLoadMoreToLower = scrollEventTarget.scrollHeight - targetBottom < this.offset;
} else {
const elementBottom = Utils.getElementTop(element) - Utils.getElementTop(scrollEventTarget) + Utils.getVisibleHeight(element);
needLoadMoreToLower = elementBottom - Utils.getVisibleHeight(scrollEventTarget) < this.offset;
needLoadMoreToLower = elementBottom - targetVisibleHeight < this.offset;
}
if (needLoadMoreToLower) {
this.cb['lower'] && this.cb['lower']({ target: scrollEventTarget, top: targetScrollTop });