From 45fb4b11ad51bb38306765b11a6747402e382cee Mon Sep 17 00:00:00 2001
From: Helius <wangdoubleone@gmail.com>
Date: Sat, 20 Feb 2021 17:37:33 +0800
Subject: [PATCH] fix
---
hive-app/components/uni-swipe-action-item/index.wxs | 266 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 266 insertions(+), 0 deletions(-)
diff --git a/hive-app/components/uni-swipe-action-item/index.wxs b/hive-app/components/uni-swipe-action-item/index.wxs
new file mode 100644
index 0000000..fc64ae1
--- /dev/null
+++ b/hive-app/components/uni-swipe-action-item/index.wxs
@@ -0,0 +1,266 @@
+var MIN_DISTANCE = 10;
+
+/**
+ * 监听页面内值的变化,主要用于动态开关swipe-action
+ * @param {Object} newValue
+ * @param {Object} oldValue
+ * @param {Object} ownerInstance
+ * @param {Object} instance
+ */
+function sizeReady(newValue, oldValue, ownerInstance, instance) {
+ var state = instance.getState()
+ var buttonPositions = JSON.parse(newValue)
+ if (!buttonPositions || !buttonPositions.data || buttonPositions.data.length === 0) return
+ state.leftWidth = buttonPositions.data[0].width
+ state.rightWidth = buttonPositions.data[1].width
+ state.threshold = instance.getDataset().threshold
+
+ if (buttonPositions.show && buttonPositions.show !== 'none') {
+ openState(buttonPositions.show, instance, ownerInstance)
+ return
+ }
+
+ if (state.left) {
+ openState('none', instance, ownerInstance)
+ }
+ resetTouchStatus(instance)
+}
+
+/**
+ * 开始触摸操作
+ * @param {Object} e
+ * @param {Object} ins
+ */
+function touchstart(e, ins) {
+ var instance = e.instance;
+ var disabled = instance.getDataset().disabled
+ var state = instance.getState();
+ // fix by mehaotian, TODO 兼容 app-vue 获取dataset为字符串 , h5 获取 为 undefined 的问题,待框架修复
+ disabled = (typeof(disabled) === 'string' ? JSON.parse(disabled) : disabled) || false;
+ if (disabled) return
+ // 开始触摸时移除动画类
+ instance.requestAnimationFrame(function(){
+ instance.removeClass('ani');
+ ins.callMethod('closeSwipe');
+ })
+
+ // 记录上次的位置
+ state.x = state.left || 0
+ // 计算滑动开始位置
+ stopTouchStart(e, ins)
+}
+
+/**
+ * 开始滑动操作
+ * @param {Object} e
+ * @param {Object} ownerInstance
+ */
+function touchmove(e, ownerInstance) {
+
+ var instance = e.instance;
+ var disabled = instance.getDataset().disabled
+ var state = instance.getState()
+ // fix by mehaotian, TODO 兼容 app-vue 获取dataset为字符串 , h5 获取 为 undefined 的问题,待框架修复
+ disabled = (typeof(disabled) === 'string' ? JSON.parse(disabled) : disabled) || false;
+ if (disabled) return
+ // 是否可以滑动页面
+ stopTouchMove(e);
+ if (state.direction !== 'horizontal') {
+ return;
+ }
+
+ if (e.preventDefault) {
+ // 阻止页面滚动
+ e.preventDefault()
+ }
+
+ move(state.x + state.deltaX, instance, ownerInstance)
+}
+
+/**
+ * 结束触摸操作
+ * @param {Object} e
+ * @param {Object} ownerInstance
+ */
+function touchend(e, ownerInstance) {
+ var instance = e.instance;
+ var disabled = instance.getDataset().disabled
+ var state = instance.getState()
+ // fix by mehaotian, TODO 兼容 app-vue 获取dataset为字符串 , h5 获取 为 undefined 的问题,待框架修复
+ disabled = (typeof(disabled) === 'string' ? JSON.parse(disabled) : disabled) || false;
+
+ if (disabled) return
+ // 滑动过程中触摸结束,通过阙值判断是开启还是关闭
+ // fixed by mehaotian 定时器解决点击按钮，touchend 触发比 click 事件时机早的问题 ，主要是 ios13
+ moveDirection(state.left, instance, ownerInstance)
+
+}
+
+/**
+ * 设置移动距离
+ * @param {Object} value
+ * @param {Object} instance
+ * @param {Object} ownerInstance
+ */
+function move(value, instance, ownerInstance) {
+ value = value || 0
+ var state = instance.getState()
+ var leftWidth = state.leftWidth
+ var rightWidth = state.rightWidth
+ // 获取可滑动范围
+ state.left = range(value, -rightWidth, leftWidth);
+ instance.requestAnimationFrame(function(){
+ instance.setStyle({
+ transform: 'translateX(' + state.left + 'px)',
+ '-webkit-transform': 'translateX(' + state.left + 'px)'
+ })
+ })
+
+}
+
+/**
+ * 获取范围
+ * @param {Object} num
+ * @param {Object} min
+ * @param {Object} max
+ */
+function range(num, min, max) {
+ return Math.min(Math.max(num, min), max);
+}
+
+
+/**
+ * 移动方向判断
+ * @param {Object} left
+ * @param {Object} value
+ * @param {Object} ownerInstance
+ * @param {Object} ins
+ */
+function moveDirection(left, ins, ownerInstance) {
+ var state = ins.getState()
+ var threshold = state.threshold
+ var position = state.position
+ var isopen = state.isopen || 'none'
+ var leftWidth = state.leftWidth
+ var rightWidth = state.rightWidth
+ if (state.deltaX === 0) {
+ openState('none', ins, ownerInstance)
+ return
+ }
+ if ((isopen === 'none' && rightWidth > 0 && -left > threshold) || (isopen !== 'none' && rightWidth > 0 && rightWidth +
+ left < threshold)) {
+ // right
+ openState('right', ins, ownerInstance)
+ } else if ((isopen === 'none' && leftWidth > 0 && left > threshold) || (isopen !== 'none' && leftWidth > 0 &&
+ leftWidth - left < threshold)) {
+ // left
+ openState('left', ins, ownerInstance)
+ } else {
+ // default
+ openState('none', ins, ownerInstance)
+ }
+}
+
+
+/**
+ * 开启状态
+ * @param {Boolean} type
+ * @param {Object} ins
+ * @param {Object} ownerInstance
+ */
+function openState(type, ins, ownerInstance) {
+ var state = ins.getState()
+ var position = state.position
+ var leftWidth = state.leftWidth
+ var rightWidth = state.rightWidth
+ var left = ''
+ state.isopen = state.isopen ? state.isopen : 'none'
+ switch (type) {
+ case "left":
+ left = leftWidth
+ break
+ case "right":
+ left = -rightWidth
+ break
+ default:
+ left = 0
+ }
+
+ // && !state.throttle
+
+ if (state.isopen !== type ) {
+ state.throttle = true
+ ownerInstance.callMethod('change', {
+ open: type
+ })
+
+ }
+
+ state.isopen = type
+ // 添加动画类
+ ins.requestAnimationFrame(function(){
+ ins.addClass('ani');
+ move(left, ins, ownerInstance)
+ })
+ // 设置最终移动位置,理论上只要进入到这个函数，肯定是要打开的
+}
+
+
+function getDirection(x, y) {
+ if (x > y && x > MIN_DISTANCE) {
+ return 'horizontal';
+ }
+ if (y > x && y > MIN_DISTANCE) {
+ return 'vertical';
+ }
+ return '';
+}
+
+/**
+ * 重置滑动状态
+ * @param {Object} event
+ */
+function resetTouchStatus(instance) {
+ var state = instance.getState();
+ state.direction = '';
+ state.deltaX = 0;
+ state.deltaY = 0;
+ state.offsetX = 0;
+ state.offsetY = 0;
+}
+
+/**
+ * 设置滑动开始位置
+ * @param {Object} event
+ */
+function stopTouchStart(event) {
+ var instance = event.instance;
+ var state = instance.getState();
+ resetTouchStatus(instance);
+ var touch = event.touches[0];
+ state.startX = touch.clientX;
+ state.startY = touch.clientY;
+}
+
+/**
+ * 滑动中，是否禁止打开
+ * @param {Object} event
+ */
+function stopTouchMove(event) {
+ var instance = event.instance;
+ var state = instance.getState();
+ var touch = event.touches[0];
+ state.deltaX = touch.clientX - state.startX;
+ state.deltaY = touch.clientY - state.startY;
+ state.offsetX = Math.abs(state.deltaX);
+ state.offsetY = Math.abs(state.deltaY);
+ state.direction = state.direction || getDirection(state.offsetX, state.offsetY);
+}
+
+
+module.exports = {
+ sizeReady: sizeReady,
+ touchstart: touchstart,
+ touchmove: touchmove,
+ touchend: touchend
+}
--
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