// 本文件由FirstUI授权予四川政采招投标咨询有限公司（会员ID：1 63，营业执照号：9 1 51 0 131 33 20 06 1 93 K）专用，请尊重知识产权，勿私下传播，违者追究法律责任。
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// #ifdef APP-NVUE
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//BindingX实现滑动比较流畅（已实现），缺点不好实时更新数据，暂时废弃
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// const BindingX = uni.requireNativePlugin('bindingx');
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const animation = uni.requireNativePlugin('animation');
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export default {
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data() {
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return {
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isRight: false,
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isAndroid: false
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}
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},
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watch: {
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value(val) {
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this.initData(val)
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},
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endValue(val) {
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if (this.section) {
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this.initEndData(val)
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}
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},
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isRight(val) {
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if (!val) {
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this.$nextTick(() => {
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setTimeout(() => {
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this.handleRight = this.getEl(this.$refs['handleRight'])
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}, 50)
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})
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}
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}
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},
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created() {
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const res = uni.getSystemInfoSync();
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this.isAndroid = res.platform.toLocaleLowerCase() == "android"
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this.startX = 0
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this.endX = 0
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this.lastLeft = 0
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this.onceLeft = 0
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this.lastRight = 0
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this.onceRight = 0
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},
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mounted() {
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this.$nextTick(() => {
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setTimeout(() => {
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this.handleLeft = this.getEl(this.$refs['handleLeft'])
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this.poleLeft = this.getEl(this.$refs['poleLeft']);
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this.handleRight = null;
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this.poleRight = null;
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this.initData(this.value)
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if (this.section) {
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this.handleRight = this.getEl(this.$refs['handleRight'])
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this.poleRight = this.getEl(this.$refs['poleRight']);
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this.initEndData(this.endValue)
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}
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}, 50)
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})
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},
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methods: {
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getEl(el) {
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return el.ref;
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},
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initData(value) {
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this.startX = 0;
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this.lastLeft = 0;
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this.styleChange(Number(value), true)
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},
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initEndData(value) {
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this.endX = 0;
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this.lastRight = 0;
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value = Number(this.max) - Number(value) + Number(this.min)
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this.styleSectionChange(value, true)
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},
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format(value) {
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value = Number(value)
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let step = Number(this.step)
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return Math.round(Math.max(Number(this.min), Math.min(value, Number(this.max))) / step) * step;
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},
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_animation(move, trans, isRight) {
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animation.transition(
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isRight ? this.handleRight : this.handleLeft, {
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styles: {
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transform: move
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},
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duration: 0,
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timingFunction: 'linear',
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needLayout: false,
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delay: 0
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});
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animation.transition(
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isRight ? this.poleRight : this.poleLeft, {
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styles: {
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transform: trans
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},
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duration: 0,
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timingFunction: 'linear',
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needLayout: false,
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delay: 0
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});
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},
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touchstart(e) {
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if (this.disabled) return;
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let touch = e.touches[0] || e.changedTouches[0];
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this.startX = touch.screenX
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},
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endTouchstart(e) {
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if (this.disabled) return;
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let touch = e.touches[0] || e.changedTouches[0];
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this.endX = touch.screenX
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},
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changeValue(value, isStart, isEnd) {
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var params = {
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value: value,
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isStart: isStart
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}
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if (isEnd) {
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this.change(params)
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} else {
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this.changing(params)
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}
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},
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styleChange(value, isEnd) {
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value = this.format(value);
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const min = Number(this.min)
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const max = Number(this.max)
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if (this.section) {
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value = value > this.end ? this.end : value;
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}
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this.changeValue(value, true, isEnd)
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var dvalue = max - min;
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var maxWidth = Number(this.width) - Number(this.blockWidth);
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var width = (value - min) / dvalue * maxWidth;
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this.lastLeft = width
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if (isEnd) {
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this.onceLeft = width
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}
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this._animation(`translateX(${width}px)`, `translateX(-${Number(this.width)-width}px)`, false)
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this.isRight = value === max
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},
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styleSectionChange(value, isEnd) {
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value = this.format(value);
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const min = Number(this.min)
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const max = Number(this.max)
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var total = max + min;
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var val = total - value;
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val = val < this.start ? this.start : val;
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value = total - val;
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this.changeValue(val, false, isEnd)
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var dvalue = max - min;
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var maxWidth = Number(this.width) - Number(this.blockWidth);
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var width = (value - min) / dvalue * maxWidth;
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this.lastRight = width
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if (isEnd) {
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this.onceRight = width
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}
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this._animation(`translateX(-${width}px)`, `translateX(${Number(this.width)-width}px)`, true)
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},
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touchmove(e) {
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if (this.disabled) return;
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let touch = e.changedTouches[0];
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let pageX = touch.screenX;
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this.drag = true
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let left = pageX - this.startX + (this.onceLeft || 0);
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left = left < 0 ? 0 : left;
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let maxWidth = Number(this.width) - Number(this.blockWidth);
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left = left >= maxWidth ? maxWidth : left;
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let dvalue = Number(this.max) - Number(this.min);
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let value = (left / maxWidth) * dvalue + Number(this.min);
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// this.startX = pageX
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this.lastLeft = left
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this.styleChange(value, false)
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},
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endTouchmove(e) {
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if (this.disabled) return;
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let touch = e.changedTouches[0];
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let pageX = touch.screenX;
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this.drag = true
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let left = this.endX - pageX + (this.onceRight || 0);
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left = left < 0 ? 0 : left;
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let maxWidth = Number(this.width) - Number(this.blockWidth);
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left = left >= maxWidth ? maxWidth : left;
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let dvalue = Number(this.max) - Number(this.min);
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let value = (left / maxWidth) * dvalue + Number(this.min);
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// this.endX = pageX
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this.lastRight = left
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this.styleSectionChange(value, false)
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},
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touchend(e) {
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if (this.disabled) return;
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if (this.drag) {
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let maxWidth = Number(this.width) - Number(this.blockWidth);
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let dvalue = Number(this.max) - Number(this.min);
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let value = (this.lastLeft / maxWidth) * dvalue + Number(this.min);
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this.styleChange(value, true)
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}
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},
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endTouchend(e) {
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if (this.disabled) return;
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if (this.drag) {
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let maxWidth = Number(this.width) - Number(this.blockWidth);
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let dvalue = Number(this.max) - Number(this.min);
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let value = (this.lastRight / maxWidth) * dvalue + Number(this.min);
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this.styleSectionChange(value, true)
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}
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}
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}
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}
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// #endif
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// #ifndef APP-NVUE
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export default {}
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// #endif
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