bug fix
This commit is contained in:
295
src/components/InfiniteSelect/index.vue
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295
src/components/InfiniteSelect/index.vue
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@ -0,0 +1,295 @@
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<script setup>
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import {nextTick, onMounted, onUnmounted, ref, toRefs, watch, watchEffect,} from "vue";
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import InfiniteLoading from "v3-infinite-loading";
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import "v3-infinite-loading/lib/style.css";
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import {debounce} from "lodash-es"; //required if you're not going to override default slots
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import {ElInput, ElPopover, ElScrollbar} from "element-plus";
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const props = defineProps({
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modelValue: {},
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remoteMethod: {
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type: Function,
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required: true,
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},
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size: {
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type: String,
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},
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width: {
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type: Number,
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},
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prefixIcon: {type: String},
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query: {
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type: Object,
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required: true,
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},
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prop: {
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type: Object,
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required: true,
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},
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placeholder: {
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type: String,
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default: "请选择",
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},
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defaultLabel: {
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type: String,
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},
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});
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const {modelValue} = toRefs(props);
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const loadKey = ref(0);
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const emit = defineEmits(["update:modelValue", "change", "confirm"]);
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const showPopOver = ref(false);
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const inputRefWhenShowPop = ref();
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const placeholderWhenShowPop = ref("");
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const placeholderWhenNotShowPop = ref("");
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const optionLabelWhenShowPop = ref("");
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const optionLabelWhenNotShowPop = ref("");
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const echoLabel = ref("");
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const options = ref([]);
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const page = ref(0);
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const initOptions = (keyword) => {
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props
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.remoteMethod({
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[props.query.page]: page.value,
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[props.query.size]: 10,
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[props.query.searchKey]: keyword,
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})
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.then((rows) => {
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options.value = rows;
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});
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};
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const loadMore = async ($state) => {
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page.value++;
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props
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.remoteMethod({
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[props.query.page]: page.value,
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[props.query.size]: 10,
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[props.query.searchKey]: showPopOver.value
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? optionLabelWhenShowPop.value ?? null
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: null,
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})
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.then((rows) => {
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options.value.push(...rows);
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if (rows.length < 10) {
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$state.complete();
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} else {
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$state.loaded();
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}
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})
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.catch(() => {
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$state.error();
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});
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};
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const handleInputClick = () => {
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showPopOver.value = true;
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placeholderWhenShowPop.value = optionLabelWhenNotShowPop.value;
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nextTick(() => {
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if (inputRefWhenShowPop.value) {
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inputRefWhenShowPop.value.focus();
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}
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});
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};
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/**
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* 清除选项
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*/
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const handleClearSeletion = () => {
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emit("update:modelValue", null);
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};
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/**
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* 点击选项
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* @param option
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*/
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const selectOption = (option) => {
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emit("update:modelValue", option[props.prop.value]);
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emit("confirm", option);
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/*重新加载选项*/
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if (optionLabelWhenShowPop.value) {
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page.value = 0;
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options.value = [];
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loadKey.value++;
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}
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showPopOver.value = false;
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echoLabel.value = option[props.prop.label];
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optionLabelWhenShowPop.value = "";
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};
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/**
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* 输入时,搜索选项
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* @type {DebouncedFuncLeading<(function(*): void)|*> | DebouncedFunc<(function(*): void)|*>}
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*/
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const handleInputChange = debounce((value) => {
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page.value = 0;
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options.value = [];
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loadKey.value++;
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}, 500);
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watchEffect(() => {
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if (showPopOver.value) return;
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if (modelValue.value) {
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console.log(modelValue.value)
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optionLabelWhenNotShowPop.value =
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options.value.find((el) => el[props.prop.value] === modelValue.value)?.[
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props.prop.label
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] ??
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(echoLabel.value.length ? echoLabel.value : null) ??
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props.defaultLabel ??
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"...";
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} else {
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optionLabelWhenNotShowPop.value = "";
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placeholderWhenNotShowPop.value = props.placeholder;
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}
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});
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watch(modelValue, (value) => {
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emit("change", value);
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});
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/**
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* 点击空白关闭弹出选项列表
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* @param event
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*/
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const handleBodyClick = (event) => {
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if (showPopOver.value) {
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if (optionLabelWhenShowPop.value) {
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page.value = 0;
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options.value = [];
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loadKey.value++;
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}
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showPopOver.value = false;
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optionLabelWhenShowPop.value = "";
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}
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};
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onMounted(() => {
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page.value++;
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initOptions();
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document.body.addEventListener("click", handleBodyClick);
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});
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onUnmounted(() => {
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document.body.removeEventListener("click", handleBodyClick);
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});
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</script>
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<template>
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<el-popover
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:popper-style="{
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padding: 0,
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}"
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:visible="showPopOver"
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:width="width ?? 240"
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placement="bottom"
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>
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<template #reference>
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<div :style="`width: ${width ?? 240}px`">
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<!--选项显示时-->
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<el-input
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v-if="showPopOver"
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ref="inputRefWhenShowPop"
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v-model="optionLabelWhenShowPop"
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:placeholder="placeholderWhenShowPop"
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:prefix-icon="prefixIcon"
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:size="size ?? 'default'"
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class="select-inner"
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suffix-icon="ArrowUp"
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@input="handleInputChange"
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@click.stop
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>
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<template #prefix>
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<slot name="prefix"/>
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</template>
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</el-input>
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<!--选项隐藏时-->
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<el-input
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v-else
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v-model="optionLabelWhenNotShowPop"
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:placeholder="placeholderWhenNotShowPop"
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:prefix-icon="prefixIcon"
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:size="size ?? 'default'"
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class="select-inner"
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clearable
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suffix-icon="ArrowDown"
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@clear="handleClearSeletion"
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@click.stop="handleInputClick"
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>
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<!-- @blur="handleInputBlur"-->
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<template #prefix>
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<slot name="prefix"/>
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</template>
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</el-input>
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</div>
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</template>
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<el-scrollbar :height="260" class="options-wrap" @click.stop>
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<ul class="options">
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<li
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v-for="option in options"
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:key="option[prop.value]"
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:class="`option-item ${
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option[prop.value] === modelValue ? 'selected' : null
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}`"
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@click.stop="selectOption(option)"
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>
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{{ option[prop.label] }}
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</li>
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</ul>
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<infinite-loading :identifier="loadKey" @infinite="loadMore">
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<template #spinner>
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<div style="text-align: center; font-size: 12px">......</div>
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</template>
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<template #complete>
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<div
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style="display: flex; justify-content: center; align-items: center"
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>
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-
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</div>
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</template>
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</infinite-loading>
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</el-scrollbar>
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</el-popover>
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</template>
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<style lang="scss" scoped>
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.options-wrap {
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margin: 6px 0;
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.options {
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list-style: none;
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margin: 0;
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padding: 0;
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.option-item {
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height: 32px;
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cursor: pointer;
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font-size: 14px;
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display: flex;
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align-items: center;
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padding: 0 32px 0 20px;
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font-weight: 700;
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width: 238px;
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//width: 200px; /* 设置容器的宽度 */
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overflow: hidden; /* 隐藏超出容器的文本 */
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white-space: nowrap; /* 将文本强制为一行 */
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text-overflow: ellipsis; /* 显示省略号 */
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&.selected {
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color: #409eff;
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}
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&:hover {
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background-color: #f5f7fa;
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}
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}
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}
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}
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.select-inner {
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cursor: pointer;
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}
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</style>
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