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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,171 @@ | ||
| <template> | ||
| <div> | ||
| <slot></slot> | ||
| <dropdown ref="dropdown" :append-to-body="appendToBody"> | ||
| <button data-role="trigger" type="button" class="hidden"></button> | ||
| <ul slot="dropdown" class="dropdown-menu"> | ||
| <li v-for="(item,index) in items" :class="{active:activeIndex===index}"> | ||
| <a href="javascript:void(0)" @click="selectItem(item)"> | ||
| <slot name="item" :item="item"> | ||
| <span v-html="highlight(item)"></span> | ||
| </slot> | ||
| </a> | ||
| </li> | ||
| </ul> | ||
| </dropdown> | ||
| </div> | ||
| </template> | ||
|
|
||
| <script> | ||
| import utils from './../../utils/httpUtils' | ||
| import Dropdown from './../dropdown/Dropdown.vue' | ||
| export default { | ||
| components: {Dropdown}, | ||
| props: { | ||
| value: {}, | ||
| data: { | ||
| type: Array | ||
| }, | ||
| itemKey: { | ||
| type: String | ||
| }, | ||
| appendToBody: { | ||
| type: Boolean, | ||
| 'default': false | ||
| }, | ||
| ignoreCase: { | ||
| type: Boolean, | ||
| 'default': true | ||
| }, | ||
| matchStart: { | ||
| type: Boolean, | ||
| 'default': false | ||
| }, | ||
| forceSelect: { | ||
| type: Boolean, | ||
| 'default': false | ||
| }, | ||
| limit: { | ||
| type: Number, | ||
| 'default': 10 | ||
| }, | ||
| asyncSrc: { | ||
| type: String | ||
| }, | ||
| asyncKey: { | ||
| type: String | ||
| }, | ||
| asyncDelay: { | ||
| type: Number, | ||
| 'default': 500 | ||
| } | ||
| }, | ||
| data () { | ||
| return { | ||
| inputEl: null, | ||
| items: [], | ||
| activeIndex: 0, | ||
| timeout: 0 | ||
| } | ||
| }, | ||
| computed: { | ||
| regexOptions () { | ||
| let options = '' | ||
| if (this.ignoreCase) { | ||
| options += 'i' | ||
| } | ||
| if (!this.matchStart) { | ||
| options += 'g' | ||
| } | ||
| return options | ||
| } | ||
| }, | ||
| mounted () { | ||
| this.inputEl = this.$el.querySelector('[data-role="input"]') | ||
| if (this.inputEl) { | ||
| this.inputEl.addEventListener('input', this.inputChanged) | ||
| this.inputEl.addEventListener('keydown', this.inputKeyPressed) | ||
| } | ||
| }, | ||
| beforeDestroy () { | ||
| if (this.inputEl) { | ||
| this.inputEl.removeEventListener('input', this.inputChanged) | ||
| this.inputEl.removeEventListener('keydown', this.inputKeyPressed) | ||
| } | ||
| }, | ||
| methods: { | ||
| prepareItems (data) { | ||
| this.items = [] | ||
| this.activeIndex = 0 | ||
| for (let i = 0, l = data.length; i < l; i++) { | ||
| let item = data[i] | ||
| let key = this.itemKey ? item[this.itemKey] : item | ||
| let index = -1 | ||
| if (this.ignoreCase) { | ||
| index = key.toLowerCase().indexOf(this.inputEl.value.toLowerCase()) | ||
| } else { | ||
| index = key.indexOf(this.inputEl.value) | ||
| } | ||
| if ((this.matchStart && index === 0) || (!this.matchStart && index >= 0)) { | ||
| this.items.push(item) | ||
| } | ||
| if (this.items.length >= this.limit) { | ||
| break | ||
| } | ||
| } | ||
| }, | ||
| inputChanged () { | ||
| let value = this.inputEl.value | ||
| if (value) { | ||
| if (this.data) { | ||
| this.prepareItems(this.data) | ||
| this.$refs.dropdown.toggle(!!this.items.length) | ||
| } else if (this.asyncSrc) { | ||
| clearTimeout(this.timeout) | ||
| this.timeout = setTimeout(() => { | ||
| utils.get(this.asyncSrc + value) | ||
| .then(data => { | ||
| this.prepareItems(this.asyncKey ? data[this.asyncKey] : data) | ||
| this.$refs.dropdown.toggle(!!this.items.length) | ||
| }) | ||
| }, this.asyncDelay) | ||
| } | ||
| } else { | ||
| clearTimeout(this.timeout) | ||
| this.$refs.dropdown.toggle(false) | ||
| } | ||
| this.$emit('input', this.forceSelect ? null : value) | ||
| }, | ||
| inputKeyPressed (event) { | ||
| if (this.$refs.dropdown.show) { | ||
| switch (event.keyCode) { | ||
| case 13: | ||
| this.selectItem(this.items[this.activeIndex]) | ||
| break | ||
| case 38: | ||
| this.activeIndex = this.activeIndex > 0 ? this.activeIndex - 1 : 0 | ||
| break | ||
| case 40: | ||
| let maxIndex = this.items.length - 1 | ||
| this.activeIndex = this.activeIndex < maxIndex ? this.activeIndex + 1 : maxIndex | ||
| break | ||
| } | ||
| } | ||
| }, | ||
| selectItem (item) { | ||
| this.inputEl.value = this.itemKey ? item[this.itemKey] : item | ||
| this.$emit('input', item) | ||
| this.$refs.dropdown.toggle(false) | ||
| }, | ||
| highlight (item) { | ||
| let value = this.itemKey ? item[this.itemKey] : item | ||
| return value.replace(new RegExp(`${this.inputEl.value}`, this.regexOptions), '<b>$&</b>') | ||
| } | ||
| } | ||
| } | ||
| </script> | ||
|
|
||
| <style lang="less" rel="stylesheet/less" scoped> | ||
| </style> |
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