coupon-select.js
1.94 KB
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Component({
properties: {
show: {
type: Boolean,
value: false,
observer: '_show'
},
coupons: {
type: Array,
value: []
},
selectedCode: {
type: String,
value: ''
}
},
data: {
chosenIdx: ''
},
methods: {
confirm: function () {
let item = this.data.coupons[this.data.chosenIdx];
let code = item && item.coupon_code || '';
let amount = item && item.coupon_value_str || '';
this.triggerEvent('confirmselect', {code, amount})
},
cancel: function () {
this.triggerEvent('cancel')
},
check: function (e) {
let idx = e.currentTarget.dataset.idx;
this.data.coupons.forEach((item, index) => {
if (index !== idx && item.isChosen) {
this.setData({
[`coupons[${index}].isChosen`]: false
});
}
if (index === idx) {
this.setData({
[`coupons[${idx}].isChosen`]: true
});
}
});
this.data.chosenIdx = idx;
},
uncheck: function (e) {
let idx = e.currentTarget.dataset.idx;
this.setData({
[`coupons[${idx}].isChosen`]: false
});
this.data.chosenIdx = '';
},
_show: function (show) {
if (show) {
if (this.data.selectedCode) {
this.data.coupons.forEach((item, index) => {
if (item.coupon_code === this.data.selectedCode) {
this.setData({
[`coupons[${index}].isChosen`]: true
});
this.data.chosenIdx = index;
} else {
this.setData({
[`coupons[${index}].isChosen`]: false
});
}
});
} else {
this.data.coupons.forEach((item, index) => {
this.setData({
[`coupons[${index}].isChosen`]: false
});
});
this.data.chosenIdx = '';
}
}
}
}
});