nuVistA/htdocs/ViewOrderableLookup.vue

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Vue
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2023-04-24 23:10:19 -04:00
<template>
<div class="input-group">
<span v-if="label" class="input-group-text">{{label}}</span>
<select v-if="selectable_xref" class="form-select" style="flex: 0.15 1 auto;" v-model="x_xref">
<option v-for="item in ORDERABLE_XREF" :value="item.xref">{{item.name}}</option>
</select>
<input class="form-control" placeholder="Filter..." v-model="x_query" />
</div>
<div class="scroller" ref="scroller">
<table class="table table-striped">
<tbody>
<tr v-for="item in resultset" :class="{ 'table-active': item.IEN == x_modelValue }" @click="x_modelValue = item.IEN">
<td>{{item.IEN}}</td>
<td>{{item.synonym}}</td>
</tr>
<tr ref="bottom" />
</tbody>
</table>
</div>
</template>
<style scoped>
div.scroller {
max-height: 25vh;
overflow-y: auto;
}
td {
cursor: default;
}
.table-active, .table-active:nth-of-type(odd) > * {
color: #fff;
background-color: #0d6efd;
}
</style>
<script>
import { debounce } from './util.mjs';
import { ORDERABLE_XREF } from './constants.mjs';
export default {
props: {
client: Object,
xref: String,
label: String,
query: String,
qocall: {
type: String,
default: ''
},
modelValue: String
},
emits: {
'update:xref': String,
'update:query': String,
'update:modelValue': String
},
data() {
return {
ORDERABLE_XREF,
selectable_xref: !this.xref,
x_xref: this.xref || 'S.O RX',
x_query: this.query,
resultset: [],
has_more: false,
is_loading: true,
observer_bottom: null,
x_modelValue: this.modelValue
};
},
computed: {
query_view() {
return this.x_query ? this.x_query.replace(/^\s+|\s+$/g, '').replace(/\s+/g, ' ').toUpperCase() : '';
}
},
watch: {
xref(value) { this.x_xref = value; },
x_xref(value) {
this.$emit('update:xref', value);
this.$emit('update:query', this.x_query = '');
},
modelValue(value) { this.x_modelValue = value; },
x_modelValue(value) { this.$emit('update:modelValue', value); },
query(value) { this.x_query = value; },
x_query(value) {
this.$emit('update:query', value);
}
},
methods: {
async handle_bottom([entry]) {
if((entry.isIntersecting) && (this.has_more) && (!this.is_loading)) {
this.is_loading = true;
this.has_more = false;
try {
var batch = await this.client.ORWDX_ORDITM(this.resultset[this.resultset.length - 1].synonym, 1, this.x_xref, this.qocall);
if(this.query_view.length >= 3) batch = batch.filter(x => x.synonym.startsWith(this.query_view));
if(batch.length > 0) {
Array.prototype.push.apply(this.resultset, batch);
this.has_more = true;
} else this.has_more = false;
} catch(ex) {
this.has_more = false;
} finally {
this.is_loading = false;
}
}
}
},
created() {
this.$watch(
() => (this.client, this.modelValue, {}),
async () => {
if((this.client) && (!this.x_query) && (this.modelValue) && (this.modelValue == parseInt(this.modelValue))) {
var item = await this.client.ORWDLR32_LOAD(this.modelValue);
this.x_query = item['Test Name'].default;
}
},
{ immediate: true }
);
this.$watch(
() => (this.client, this.xref, this.query_view, this.qocall, {}),
debounce(async function() {
if((this.client) && (this.xref)) {
this.is_loading = true;
this.has_more = false;
try {
var query = this.query_view;
if(query.length >= 3) {
var batch = await this.client.ORWDX_ORDITM(query.slice(0, -1) + String.fromCharCode(query.charCodeAt(query.length - 1) - 1), 1, this.xref, this.qocall);
this.resultset = batch.filter(x => x.synonym.startsWith(query));
if((this.resultset.length > 0) && ((this.resultset[0].name == query) || (this.resultset[0].synonym == query))) this.x_modelValue = this.resultset[0].IEN;
} else this.resultset = await this.client.ORWDX_ORDITM('', 1, this.xref, this.qocall);
this.has_more = this.resultset.length > 0;
} catch(ex) {
this.resultset = [];
this.has_more = false;
} finally {
this.is_loading = false;
this.$refs.scroller.scrollTo(0, 0);
}
}
}, 500),
{ immediate: true }
);
},
mounted() {
this.observer_bottom = new IntersectionObserver(this.handle_bottom, { root: this.$refs.scroller, rootMargin: '25%' });
this.observer_bottom.observe(this.$refs.bottom);
},
destroyed() {
if(this.observer_bottom) this.observer_bottom.disconnect();
}
};
</script>