lbp-slide.js
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import { Swipe, SwipeItem } from 'vant'
import 'vant/lib/swipe/style'
import 'vant/lib/swipe-item/style'
import ImageGallery from '@/components/core/support/image-gallery/gallery.js'
const defaultItems = [
{
image: 'https://img.yzcdn.cn/vant/apple-1.jpg'
},
{
image: 'https://img.yzcdn.cn/vant/apple-2.jpg'
}
]
function getDefaultDataSource () {
return {
activeIndex: 0,
items: defaultItems.slice(0)
}
}
export default {
name: 'lbp-slide',
props: {
interval: {
type: Number,
default: 4000
},
dataSource: {
type: Object,
default: () => getDefaultDataSource()
},
editorMode: {
type: String,
default: 'preview'
},
activeIndex: {
type: Number,
default: 0
}
},
editorConfig: {
propsConfig: {
interval: {
type: 'a-input-number',
label: '间隔时间',
require: true,
defaultPropValue: 4000
},
dataSource: {
type: 'lbs-slide-items-editor',
label: '图片列表',
require: true,
defaultPropValue: getDefaultDataSource()
}
},
components: {
'lbs-slide-items-editor': {
render () {
const currentItem = this.innerItems[this.current - 1] || {}
return <div>
{
<a-pagination
current={this.current}
onChange={(page) => {
this.current = page
this.$emit('change', {
items: this.innerItems,
activeIndex: page - 1
})
}}
size="small"
total={this.innerItems.length}
defaultPageSize={1}
itemRender={this.itemRender}
/>
}
<ImageGallery
style={{ margin: '16px 0' }}
value={currentItem.image}
onChange={url => {
currentItem.image = url
}}
/>
</div>
},
props: {
value: {
type: Object,
default: () => getDefaultDataSource()
}
},
computed: {
innerItems () {
return this.value.items
}
},
data: () => ({
current: 1
}),
methods: {
itemRender (current, type, originalElement) {
if (type === 'prev') {
return <a-button style={{ marginRight: '8px' }} size="small" icon="minus" onClick={() => this.minus(current)} disabled={this.innerItems.length === 1}></a-button>
} else if (type === 'next') {
return <a-button style={{ marginLeft: '8px' }} size="small" icon="plus" onClick={this.add}></a-button>
}
return originalElement
},
add () {
this.$emit('change', {
activeIndex: this.innerItems.length,
items: [
...this.innerItems,
{
image: '',
value: `选项${this.innerItems.length + 1}-value`,
label: `选项${this.innerItems.length + 1}-label`
}
]
})
},
minus (index) {
if (this.innerItems.length === 1) return
const items = this.innerItems.slice(0)
items.splice(index, 1)
this.$emit('change', {
items,
activeIndex: index > 0 ? index - 1 : 0
})
}
}
}
}
},
mounted () {
},
methods: {
},
render () {
const { items, activeIndex } = this.dataSource
return (
this.editorMode === 'edit'
? items.length && <img src={items[activeIndex].image} />
: <Swipe autoplay={+this.interval} indicator-color="red">
{
items.map(item => (
<SwipeItem><img src={item.image} width="100%" height="100%" /></SwipeItem>
))
}
</Swipe>
)
}
}