import fmtUnit from '../_util/fmtUnit';
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Component({
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data: {
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opaReduce: 1,
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opaAdd: 1
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},
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props: {
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className: '',
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min: 0,
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max: 100000,
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disabled: false,
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value: 10,
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readOnly: false,
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showNumber: false,
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inputWidth: fmtUnit('36px'),
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step: 1,
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onChange: function onChange() {},
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controlled: true,
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enableNative: undefined // false 处理 fixed 定位后输入框内容闪动的问题
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},
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didMount: function didMount() {
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var _this$props = this.props,
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value = _this$props.value,
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min = _this$props.min,
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max = _this$props.max;
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this.setData({
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value: Math.min(Math.max(min, value), max)
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});
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},
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didUpdate: function didUpdate(preProps) {
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var _this$props2 = this.props,
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value = _this$props2.value,
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min = _this$props2.min,
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max = _this$props2.max;
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if (preProps.value !== value) {
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var newValue = Math.min(Math.max(min, value), max);
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this.setData({
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value: newValue
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});
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this.resetFn(newValue);
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}
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},
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methods: {
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changeFn: function changeFn(ev) {
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var _this$props3 = this.props,
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min = _this$props3.min,
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max = _this$props3.max,
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onChange = _this$props3.onChange,
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disabled = _this$props3.disabled,
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step = _this$props3.step;
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var evType = ev.target.dataset.type;
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var _this$data = this.data,
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opaReduce = _this$data.opaReduce,
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opaAdd = _this$data.opaAdd,
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value = _this$data.value;
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if (!disabled) {
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if (evType === 'reduce') {
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if (value > min) {
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opaAdd = 1;
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value = Math.max(min, this.getCalculateValue('reduce', +value, +step));
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opaReduce = value === min ? 0.4 : 1;
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}
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} else {
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/* eslint-disable no-lonely-if */
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if (value < max) {
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opaReduce = 1;
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value = Math.min(this.getCalculateValue('add', +value, +step), max);
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opaAdd = value === max ? 0.4 : 1;
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}
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}
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this.setData({
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value: value,
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opaAdd: opaAdd,
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opaReduce: opaReduce
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});
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onChange(value, 'click');
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}
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},
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onInput: function onInput(e) {
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var max = this.props.max;
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var value = e.detail.value;
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if (value >= max) {
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e.detail.value = max;
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this.setData({
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value: max
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});
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}
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this.resetFn(Number(value), 'input');
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},
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onBlur: function onBlur(event) {
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var value = event.detail.value;
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var max = this.props.max;
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if (value >= max) {
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event.detail.value = max;
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this.setData({
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value: max
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});
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}
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this.resetFn(Number(value), 'input');
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},
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resetFn: function resetFn(value, mode) {
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var _this$props4 = this.props,
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max = _this$props4.max,
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min = _this$props4.min,
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onChange = _this$props4.onChange;
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var calculatedVal = value;
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var opaAdd = 1;
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var opaReduce = 1;
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if (value >= max) {
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calculatedVal = max;
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opaAdd = 0.4;
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} else if (value <= min) {
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calculatedVal = min;
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opaReduce = 0.4;
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}
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this.setData({
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value: calculatedVal,
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opaAdd: opaAdd,
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opaReduce: opaReduce
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});
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onChange(calculatedVal, mode);
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},
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getCalculateValue: function getCalculateValue(type, arg1, arg2) {
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var numFloat = arg1.toString().split('.')[1] || '';
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var num2Float = arg2.toString().split('.')[1] || '';
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var length = Math.max(numFloat.length, num2Float.length);
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var times = Math.pow(10, length);
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return type === 'reduce' ? ((+arg1 * times - +arg2 * times) / times).toFixed(length) : ((+arg1 * times + +arg2 * times) / times).toFixed(length);
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}
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}
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});
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