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<template> |
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<v-select |
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v-bind:id="id" |
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v-model="model" |
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:label="queryProperty" |
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:options="search ? data : paginated" |
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:reduce="item => item[dataIdentifier]" |
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@open="onOpen" |
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@close="onClose" |
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@search="searchFilter($event)" |
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> |
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<template #list-footer> |
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<li v-show="hasNextPage && !this.search" ref="load"> |
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{{ $__("Loading more options...") }} |
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</li> |
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</template> |
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</v-select> |
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</template> |
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<script> |
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import { APIClient } from "../fetch/api-client.js" |
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|
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export default { |
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created() { |
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this.fetchInitialData(this.dataType) |
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switch (this.dataType) { |
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case "vendors": |
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this.dataIdentifier = "id" |
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this.queryProperty = "name" |
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break |
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case "agreements": |
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this.dataIdentifier = "agreement_id" |
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this.queryProperty = "name" |
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break |
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case "licenses": |
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this.dataIdentifier = "license_id" |
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this.queryProperty = "name" |
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break |
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case "localPackages": |
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this.dataIdentifier = "package_id" |
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this.queryProperty = "name" |
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break |
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default: |
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break |
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} |
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}, |
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props: { |
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id: String, |
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dataType: String, |
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modelValue: Number, |
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required: Boolean, |
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}, |
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emits: ["update:modelValue"], |
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data() { |
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return { |
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observer: null, |
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dataIdentifier: null, |
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queryProperty: null, |
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limit: null, |
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search: "", |
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scrollPage: null, |
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data: [], |
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} |
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}, |
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computed: { |
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model: { |
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get() { |
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return this.modelValue |
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}, |
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set(value) { |
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this.$emit("update:modelValue", value) |
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}, |
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}, |
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filtered() { |
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return this.data.filter(item => |
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item[this.queryProperty].includes(this.search) |
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) |
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}, |
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paginated() { |
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return this.filtered.slice(0, this.limit) |
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}, |
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hasNextPage() { |
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return this.paginated.length < this.filtered.length |
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}, |
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}, |
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mounted() { |
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this.observer = new IntersectionObserver(this.infiniteScroll) |
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}, |
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methods: { |
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async fetchInitialData(dataType) { |
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const client = APIClient.erm |
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await client[dataType] |
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.getAll("_page=1&_per_page=20&_match=contains") |
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.then( |
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items => { |
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this.data = items |
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this.search = "" |
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this.limit = 19 |
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this.scrollPage = 1 |
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}, |
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error => {} |
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) |
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}, |
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async searchFilter(e) { |
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if (e) { |
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this.observer.disconnect() |
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this.data = [] |
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this.search = e |
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const client = APIClient.erm |
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await client[this.dataType] |
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.getAll( |
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`q={"me.${this.queryProperty}":{"like":"%${e}%"}}&_per_page=-1` |
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) |
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.then( |
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items => { |
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this.data = items |
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}, |
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error => {} |
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) |
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} else { |
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await this.fetchInitialData(this.dataType) |
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await this.resetSelect() |
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} |
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}, |
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async onOpen() { |
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await this.fetchInitialData(this.dataType) |
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if (this.hasNextPage) { |
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await this.$nextTick() |
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this.observer.observe(this.$refs.load) |
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} |
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}, |
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onClose() { |
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this.observer.disconnect() |
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this.search = "" |
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}, |
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async infiniteScroll([{ isIntersecting, target }]) { |
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if (isIntersecting) { |
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const ul = target.offsetParent |
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const scrollTop = target.offsetParent.scrollTop |
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this.limit += 20 |
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this.scrollPage++ |
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await this.$nextTick() |
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const client = APIClient.erm |
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await client[this.dataType] |
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.getAll( |
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`_page=${this.scrollPage}&_per_page=20&_match=contains` |
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) |
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.then( |
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items => { |
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const existingData = [...this.data] |
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this.data = [...existingData, ...items] |
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}, |
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error => {} |
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) |
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ul.scrollTop = scrollTop |
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} |
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}, |
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async resetSelect() { |
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if (this.hasNextPage) { |
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await this.$nextTick() |
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this.observer.observe(this.$refs.load) |
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} |
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}, |
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}, |
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name: "InfiniteScrollSelect", |
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} |
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</script> |