index.js
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'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var component_1 = require('../common/component');
var touch_1 = require('../mixins/touch');
var version_1 = require('../common/version');
component_1.VantComponent({
mixins: [touch_1.touch],
props: {
disabled: Boolean,
useButtonSlot: Boolean,
activeColor: String,
inactiveColor: String,
max: {
type: Number,
value: 100,
},
min: {
type: Number,
value: 0,
},
step: {
type: Number,
value: 1,
},
value: {
type: Number,
value: 0,
observer: 'updateValue',
},
barHeight: {
type: null,
value: '2px',
},
},
created: function () {
this.updateValue(this.data.value);
},
methods: {
onTouchStart: function (event) {
if (this.data.disabled) return;
this.touchStart(event);
this.startValue = this.format(this.data.value);
this.dragStatus = 'start';
},
onTouchMove: function (event) {
var _this = this;
if (this.data.disabled) return;
if (this.dragStatus === 'start') {
this.$emit('drag-start');
}
this.touchMove(event);
this.dragStatus = 'draging';
this.getRect('.van-slider').then(function (rect) {
var diff = (_this.deltaX / rect.width) * 100;
_this.newValue = _this.startValue + diff;
_this.updateValue(_this.newValue, false, true);
});
},
onTouchEnd: function () {
if (this.data.disabled) return;
if (this.dragStatus === 'draging') {
this.updateValue(this.newValue, true);
this.$emit('drag-end');
}
},
onClick: function (event) {
var _this = this;
if (this.data.disabled) return;
var min = this.data.min;
this.getRect('.van-slider').then(function (rect) {
var value =
((event.detail.x - rect.left) / rect.width) * _this.getRange() + min;
_this.updateValue(value, true);
});
},
updateValue: function (value, end, drag) {
value = this.format(value);
var min = this.data.min;
var width = ((value - min) * 100) / this.getRange() + '%';
this.setData({
value: value,
barStyle:
'\n width: ' +
width +
';\n ' +
(drag ? 'transition: none;' : '') +
'\n ',
});
if (drag) {
this.$emit('drag', { value: value });
}
if (end) {
this.$emit('change', value);
}
if ((drag || end) && version_1.canIUseModel()) {
this.setData({ value: value });
}
},
getRange: function () {
var _a = this.data,
max = _a.max,
min = _a.min;
return max - min;
},
format: function (value) {
var _a = this.data,
max = _a.max,
min = _a.min,
step = _a.step;
return Math.round(Math.max(min, Math.min(value, max)) / step) * step;
},
},
});