3f535f30
 杨鑫
'初始'
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
<template>
<view class="lb-multi-selector lb-picker-item"
:style="{ height: height }">
<picker-view :value="pickerValue"
:indicator-style="indicatorStyle"
:style="{ height: height }"
@change="handleChange">
<picker-view-column v-for="(column, index) in pickerColumns"
:key="index">
<!-- #ifdef H5 -->
<view v-for="(item, i) in column || []"
:class="[
'lb-picker-column',
item[props.value] === selectValue[index]
? 'lb-picker-column-active'
: ''
]"
:key="i"
:data-item="pressEnable ? JSON.stringify(item) : ''"
@touchstart="touchstart"
@touchmove="touchmove"
@touchend="touchend">
<!-- #endif -->
<!-- #ifndef H5 -->
<view v-for="(item, i) in column || []"
:class="[
'lb-picker-column',
item[props.value] === selectValue[index]
? 'lb-picker-column-active'
: ''
]"
:key="i"
:data-item="item"
@touchstart="touchstart"
@touchmove="touchmove"
@touchend="touchend">
<!-- #endif -->
<!-- #ifdef APP-PLUS || H5 -->
<text :class="[
'lb-picker-column-label',
`lb-picker-column-label-${align}`
]"
:style="[
item[props.value] === selectValue[index]
? activeColumnStyle
: columnStyle
]">{{ getLabel(item, i, index) }}</text>
<!-- #endif -->
<!-- #ifndef APP-PLUS || H5 -->
<text :class="[
'lb-picker-column-label',
`lb-picker-column-label-${align}`
]">{{ item[props.label] || item }}</text>
<!-- #endif -->
</view>
</picker-view-column>
</picker-view>
</view>
</template>
<script>
import { commonMixin } from '../mixins'
export default {
props: {
value: Array,
list: Array,
mode: String,
props: Object,
level: Number,
visible: Boolean,
height: String,
columnStyle: Object,
activeColumnStyle: Object,
align: String,
pressEnable: Boolean,
pressTime: Number,
formatter: Function
},
mixins: [commonMixin],
data () {
return {
pickerValue: [],
pickerColumns: [],
selectValue: [],
selectItem: []
}
},
methods: {
handleChange (item) {
const pickerValue = item.detail.value
const columnIndex = pickerValue.findIndex(
(item, i) => item !== this.pickerValue[i]
)
const valueIndex = pickerValue[columnIndex]
this.setPickerChange(pickerValue, valueIndex, columnIndex)
},
setPickerChange (pickerValue, valueIndex, columnIndex) {
for (let i = 0; i < this.level; i++) {
if (i > columnIndex) {
pickerValue[i] = 0
const column =
this.pickerColumns[i - 1][valueIndex] ||
this.pickerColumns[i - 1][0]
this.$set(this.pickerColumns, i, column[this.props.children] || [])
valueIndex = 0
}
this.$set(this.pickerValue, i, pickerValue[i])
const selectItem = this.pickerColumns[i][pickerValue[i]]
if (selectItem) {
this.selectItem[i] = selectItem
this.selectValue[i] = selectItem[this.props.value]
} else {
const spliceNum = this.level - i
this.pickerValue.splice(i, spliceNum)
this.selectValue.splice(i, spliceNum)
this.selectItem.splice(i, spliceNum)
this.pickerColumns.splice(i, spliceNum)
break
}
}
this.$emit('change', {
value: this.selectValue,
item: this.selectItem,
index: this.pickerValue,
change: 'scroll'
})
}
}
}
</script>
<style lang="scss" scoped>
@import "../style/picker-item.scss";
</style>
|
