邓平艺
4 years ago
2 changed files with 338 additions and 13 deletions
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<template> |
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<view class="swipe_action_box" @touchstart="onTouchstart" @touchmove="onTouchmove" @touchcancel="onTouchcancel" @touchend="onTouchend"> |
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<view class="swipe_action_item" :style="{ width: (screenWidth + maxWidth) + 'px', transform: 'translateX(' + translateX + 'px)', transition: 'transform ' + animationTime + 'ms cubic-bezier(.165, .84, .44, 1)' }"> |
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<view class="swipe_action_content"><slot></slot></view> |
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<view class="swipe_action_btn_box" ref="swipeActionBtnBox" :class="{'mune-show': mune_show}"> |
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<view v-for="(item,index) of options" :key="index" class="swipe_action_btn" :style="{ |
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backgroundColor: item.style && item.style.backgroundColor ? item.style.backgroundColor : '#C7C6CD' |
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}" @click.stop="onBtn(index,item)"> |
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<text :style="{ |
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fontSize: item.style && item.style.fontSize ? item.style.fontSize : '14px', |
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color: item.style && item.style.color ? item.style.color : '#FFFFFF' |
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}">{{ item.text }}</text> |
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</view> |
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</view> |
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</view> |
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</view> |
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</template> |
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|
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<script> |
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// #ifdef APP-NVUE |
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const dom = weex.requireModule('dom'); |
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// #endif |
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export default { |
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props: { |
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/** |
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* 按钮内容 |
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*/ |
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options: { |
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type: Array, |
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default () { |
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return [] |
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} |
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}, |
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/** |
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* 禁用 |
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*/ |
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disabled: { |
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type: Boolean, |
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default: false |
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}, |
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/** |
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* 变量控制开关 |
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*/ |
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show: { |
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type: Boolean, |
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default: false |
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}, |
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/** |
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* 是否自动关闭 |
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*/ |
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autoClose: { |
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type: Boolean, |
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default: true |
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}, |
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/** |
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* swipe-action 的索引值 |
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*/ |
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index: { |
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type: Number, |
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default: 0 |
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} |
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}, |
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data() { |
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return { |
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//开始触摸时间 |
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startTime: 0, |
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//开始触摸距离 |
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touchStartX: 0, |
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//最大距离 |
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maxWidth: 58, |
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//滑动距离 |
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translateX: 0, |
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animationTime: 0, |
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//上次的位置 |
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currentX: 0, |
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screenWidth: 0, |
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mune_show: false |
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}; |
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}, |
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watch:{ |
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show(val){ |
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if(val){ |
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this.animationTime = 350; |
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this.translateX = -this.maxWidth; |
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}else { |
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this.animationTime = 350; |
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this.translateX = 0; |
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} |
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}, |
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translateX(val){ |
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if(val == 0){ |
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this.mune_show = false; |
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}else{ |
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this.mune_show = true; |
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} |
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} |
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}, |
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created() { |
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let systemInfo = uni.getSystemInfoSync(); |
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this.screenWidth = systemInfo.screenWidth; |
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}, |
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mounted() { |
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const _this = this; |
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setTimeout(() => { |
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// #ifdef APP-NVUE |
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dom.getComponentRect(this.$refs['swipeActionBtnBox'], (data) => { |
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_this.maxWidth = data.size.width; |
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if(_this.show){ |
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_this.animationTime = 350; |
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_this.translateX = -data.size.width; |
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} |
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}); |
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// #endif |
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// #ifndef APP-NVUE |
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uni.createSelectorQuery().in(this).selectAll('.swipe_action_btn_box') |
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.boundingClientRect(data => { |
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_this.maxWidth = data[0].width; |
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if(_this.show){ |
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_this.animationTime = 350; |
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_this.translateX = -data[0].width; |
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} |
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}).exec() |
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// #endif |
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},500); |
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}, |
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//方法 |
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methods: { |
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onBtn(index, item) { |
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this.$emit('button', { |
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content: item, |
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index: this.index, |
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buttonIndex: index |
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}); |
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if(this.autoClose){ |
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this.animationTime = 350; |
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this.translateX = 0; |
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} |
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}, |
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// 手指触摸动作开始 |
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onTouchstart(e) { |
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if(this.disabled){ |
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return; |
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} |
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//储存手指触摸坐标，当前时间戳，当前坐标 |
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// #ifdef APP-NVUE |
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this.touchStartX = e.changedTouches[0].screenX; |
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// #endif |
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// #ifndef APP-NVUE |
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this.touchStartX = e.changedTouches[0].clientX; |
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// #endif |
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this.startTime = new Date().getTime(); |
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this.currentX = this.translateX; |
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}, |
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// 手指触摸后移动 |
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onTouchmove(e) { |
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if(this.disabled){ |
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return; |
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} |
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//手指当前坐标 |
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// #ifdef APP-NVUE |
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const clientX = e.changedTouches[0].screenX; |
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// #endif |
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// #ifndef APP-NVUE |
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const clientX = e.changedTouches[0].clientX; |
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// #endif |
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//计算滑动距离 |
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const difference = this.touchStartX - clientX; |
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//判断左滑还是右滑 |
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if (difference > 0) { |
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//计算当前已滑动距离 |
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const leftDifference = this.currentX - Math.abs(difference); |
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//判断是否大于滑动的最大宽度 |
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if (this.maxWidth < Math.abs(leftDifference)) { |
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this.animationTime = 0; |
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this.translateX = -this.maxWidth; |
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} else { |
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this.animationTime = 0; |
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this.translateX = leftDifference; |
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} |
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} else { |
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const rightDifference = this.currentX + Math.abs(difference); |
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if (0 < rightDifference) { |
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this.animationTime = 0; |
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this.translateX = 0; |
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} else { |
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this.animationTime = 0; |
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this.translateX = rightDifference; |
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} |
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} |
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}, |
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// 手指触摸动作被打断，如来电提醒，弹窗 |
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onTouchcancel(e) { |
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if(this.disabled){ |
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return; |
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} |
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// #ifdef APP-NVUE |
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this.finallySlide(e.changedTouches[0].screenX); |
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// #endif |
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// #ifndef APP-NVUE |
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this.finallySlide(e.changedTouches[0].clientX); |
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// #endif |
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|
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}, |
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// 手指触摸动作结束 |
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onTouchend(e) { |
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if(this.disabled){ |
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return; |
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} |
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// #ifdef APP-NVUE |
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this.finallySlide(e.changedTouches[0].screenX); |
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// #endif |
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// #ifndef APP-NVUE |
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this.finallySlide(e.changedTouches[0].clientX); |
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// #endif |
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}, |
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//最终判断滑动 |
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finallySlide(finallyX) { |
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//手指离开的时间 |
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const endTime = new Date().getTime(); |
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//手机滑动屏幕的总花费时间 |
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const timeDifference = endTime - this.startTime; |
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//手指触摸总滑动距离 |
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const distanceDifference = this.touchStartX - finallyX; |
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//判断最终滑动方向 |
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if (distanceDifference > 0) { |
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//判断是否滑动到左边 滑动距离超过3分之一 或者 滑动时间在300毫秒并且距离在4分之一 |
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if (Math.abs(this.translateX) > this.maxWidth / 2 || (timeDifference < 300 && distanceDifference > this.maxWidth / 4)) { |
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this.animationTime = 350; |
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this.translateX = -this.maxWidth; |
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} else { |
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this.animationTime = 350; |
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this.translateX = 0; |
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} |
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|
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} else if (distanceDifference < 0) { |
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//判断是否滑动到右边 滑动距离超过3分之一 或者 滑动时间在300毫秒并且距离在4分之一 |
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if (Math.abs(this.translateX) < this.maxWidth / 2 || (timeDifference < 300 && Math.abs(distanceDifference) > this.maxWidth / 4)) { |
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this.animationTime = 350; |
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this.translateX = 0; |
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} else { |
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this.animationTime = 350; |
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this.translateX = -this.maxWidth; |
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} |
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} |
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} |
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} |
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}; |
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</script> |
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<style scoped> |
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.swipe_action_box { |
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overflow: hidden; |
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width: 750rpx; |
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} |
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.swipe_action_item { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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flex-direction: row; |
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} |
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.swipe_action_content { |
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/* width: 750rpx; */ |
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width: max-content; |
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/* #ifndef APP-NVUE */ |
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flex-shrink: 0; |
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/* #endif */ |
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} |
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.swipe_action_btn_box { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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flex-shrink: 0; |
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/* #endif */ |
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flex-direction: row; |
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visibility: hidden; |
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} |
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.mune-show{ |
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visibility: initial; |
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} |
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.swipe_action_btn { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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flex-direction: row; |
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align-items: center; |
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justify-content: center; |
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padding: 0 30rpx; |
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} |
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.swipe_action_btn:nth-child(1){ |
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margin-left: 20rpx; |
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} |
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</style> |
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