mirror of
https://github.com/TeaOSLab/EdgeAdmin.git
synced 2025-11-06 14:50:25 +08:00
136 lines
3.6 KiB
JavaScript
136 lines
3.6 KiB
JavaScript
Vue.component("combo-box", {
|
||
props: ["name", "title", "placeholder", "size", "v-items", "v-value"],
|
||
data: function () {
|
||
let items = this.vItems
|
||
if (items == null || !(items instanceof Array)) {
|
||
items = []
|
||
}
|
||
|
||
// 自动使用ID作为值
|
||
items.forEach(function (v) {
|
||
if (v.value == null) {
|
||
v.value = v.id
|
||
}
|
||
})
|
||
|
||
// 当前选中项
|
||
let selectedItem = null
|
||
if (this.vValue != null) {
|
||
let that = this
|
||
items.forEach(function (v) {
|
||
if (v.value == that.vValue) {
|
||
selectedItem = v
|
||
}
|
||
})
|
||
}
|
||
|
||
return {
|
||
allItems: items,
|
||
items: items.$copy(),
|
||
selectedItem: selectedItem,
|
||
keyword: "",
|
||
visible: false,
|
||
hideTimer: null,
|
||
hoverIndex: 0
|
||
}
|
||
},
|
||
methods: {
|
||
reset: function () {
|
||
this.selectedItem = null
|
||
this.change()
|
||
this.hoverIndex = 0
|
||
|
||
let that = this
|
||
setTimeout(function () {
|
||
if (that.$refs.searchBox) {
|
||
that.$refs.searchBox.focus()
|
||
}
|
||
})
|
||
},
|
||
changeKeyword: function () {
|
||
this.hoverIndex = 0
|
||
let keyword = this.keyword
|
||
if (keyword.length == 0) {
|
||
this.items = this.allItems.$copy()
|
||
return
|
||
}
|
||
this.items = this.allItems.$copy().filter(function (v) {
|
||
return teaweb.match(v.name, keyword)
|
||
})
|
||
},
|
||
selectItem: function (item) {
|
||
this.selectedItem = item
|
||
this.change()
|
||
this.hoverIndex = 0
|
||
this.keyword = ""
|
||
this.changeKeyword()
|
||
},
|
||
confirm: function () {
|
||
if (this.items.length > this.hoverIndex) {
|
||
this.selectItem(this.items[this.hoverIndex])
|
||
}
|
||
},
|
||
show: function () {
|
||
this.visible = true
|
||
|
||
// 不要重置hoverIndex，以便焦点可以在输入框和可选项之间切换
|
||
},
|
||
hide: function () {
|
||
let that = this
|
||
this.hideTimer = setTimeout(function () {
|
||
that.visible = false
|
||
}, 500)
|
||
},
|
||
downItem: function () {
|
||
this.hoverIndex++
|
||
if (this.hoverIndex > this.items.length - 1) {
|
||
this.hoverIndex = 0
|
||
}
|
||
this.focusItem()
|
||
},
|
||
upItem: function () {
|
||
this.hoverIndex--
|
||
if (this.hoverIndex < 0) {
|
||
this.hoverIndex = 0
|
||
}
|
||
this.focusItem()
|
||
},
|
||
focusItem: function () {
|
||
if (this.hoverIndex < this.items.length) {
|
||
this.$refs.itemRef[this.hoverIndex].focus()
|
||
let that = this
|
||
setTimeout(function () {
|
||
that.$refs.searchBox.focus()
|
||
if (that.hideTimer != null) {
|
||
clearTimeout(that.hideTimer)
|
||
that.hideTimer = null
|
||
}
|
||
})
|
||
}
|
||
},
|
||
change: function () {
|
||
this.$emit("change", this.selectedItem)
|
||
}
|
||
},
|
||
template: `<div style="display: inline; z-index: 10; background: white">
|
||
<!-- 搜索框 -->
|
||
<div v-if="selectedItem == null">
|
||
<input type="text" v-model="keyword" :placeholder="placeholder" :size="size" style="width: 11em" @input="changeKeyword" @focus="show" @blur="hide" @keyup.enter="confirm()" @keypress.enter.prevent="1" ref="searchBox" @keyup.down="downItem" @keyup.up="upItem"/>
|
||
</div>
|
||
|
||
<!-- 当前选中 -->
|
||
<div v-if="selectedItem != null">
|
||
<input type="hidden" :name="name" :value="selectedItem.value"/>
|
||
<span class="ui label basic">{{title}}：{{selectedItem.name}}
|
||
<a href="" title="清除" @click.prevent="reset"><i class="icon remove small"></i></a>
|
||
</span>
|
||
</div>
|
||
|
||
<!-- 菜单 -->
|
||
<div v-if="selectedItem == null && items.length > 0 && visible">
|
||
<div class="ui menu vertical small narrow-scrollbar" style="width: 11em; max-height: 17em; overflow-y: auto; position: absolute; border: rgba(129, 177, 210, 0.81) 1px solid; border-top: 0; z-index: 100">
|
||
<a href="" v-for="(item, index) in items" ref="itemRef" class="item" :class="{active: index == hoverIndex, blue: index == hoverIndex}" @click.prevent="selectItem(item)" style="line-height: 1.4">{{item.name}}</a>
|
||
</div>
|
||
</div>
|
||
</div>`
|
||
}) |