318 lines
7.6 KiB
Vue
318 lines
7.6 KiB
Vue
<template>
|
||
<div class="search-form__wrap" :class="{ 'search-form__wrap--with-title': filterTitle && props.showFilterTitle }">
|
||
<div class="search-form__bar">
|
||
<div class="search-form-container">
|
||
<el-form :model="formModel" ref="formRef" :inline="true" @keyup.enter="handleKeyupEnter" :label-width="labelWidth">
|
||
<!-- 筛选 + 展开更多 放在同一表单项内，保证垂直对齐 -->
|
||
<el-form-item v-if="(filterTitle && props.showFilterTitle) || hasCollapsibleItems" class="search-form__left-group">
|
||
<div class="search-form__left-inner">
|
||
<span v-if="filterTitle && props.showFilterTitle" class="search-form__title" :style="{ marginRight: hasCollapsibleItems ? '12px' : '0' }">
|
||
<el-icon class="search-form__title-icon"><Search /></el-icon>
|
||
{{ filterTitle }}
|
||
</span>
|
||
<el-button
|
||
v-if="hasCollapsibleItems"
|
||
type="primary"
|
||
class="toggle-btn"
|
||
@click="toggleExpand"
|
||
round
|
||
>
|
||
<el-icon
|
||
class="toggle-btn__icon"
|
||
:class="{ 'toggle-btn__icon--expanded': isExpanded }"
|
||
>
|
||
<CaretBottom />
|
||
</el-icon>
|
||
<span class="toggle-btn__text">
|
||
{{ isExpanded ? '收起筛选' : '更多筛选' }}
|
||
</span>
|
||
</el-button>
|
||
</div>
|
||
</el-form-item>
|
||
<slot :visible="true" :expanded="isExpanded"></slot>
|
||
<!-- 折叠区：收起时隐藏，display:contents 不破坏表单行内流 -->
|
||
<div v-if="hasCollapsibleItems" v-show="isExpanded" class="collapse-visibility">
|
||
<slot :visible="false" :expanded="isExpanded" @has-content="hasCollapsibleContent = true"></slot>
|
||
</div>
|
||
<div class="search-form__actions">
|
||
<slot name="actions" :expanded="isExpanded"></slot>
|
||
</div>
|
||
<div v-show="false" ref="detectionWrapperRef" class="detection-wrapper">
|
||
<slot :visible="false" :expanded="true"></slot>
|
||
</div>
|
||
</el-form>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</template>
|
||
|
||
<script setup lang="ts" name="search-form">
|
||
import { ref, watch, computed, onMounted, nextTick } from 'vue';
|
||
import { CaretBottom, Search } from '@element-plus/icons-vue';
|
||
|
||
const props = defineProps({
|
||
/**
|
||
* 筛选标题（如「筛选」），传入时在表单左侧显示标题+竖线，与表单项同一行
|
||
*/
|
||
filterTitle: {
|
||
type: String,
|
||
default: '筛选',
|
||
},
|
||
/**
|
||
* 是否显示筛选标题文案（仅控制左侧「筛选」文字和图标）
|
||
*/
|
||
showFilterTitle: {
|
||
type: Boolean,
|
||
default: false,
|
||
},
|
||
/**
|
||
* 表单数据模型
|
||
*/
|
||
model: {
|
||
type: Object,
|
||
required: true,
|
||
},
|
||
/**
|
||
* 是否默认展开折叠区域
|
||
*/
|
||
defaultExpanded: {
|
||
type: Boolean,
|
||
default: false,
|
||
},
|
||
/**
|
||
* 是否显示展开/折叠按钮
|
||
* 如果不设置，将自动检测是否有可折叠内容（visible=false 的插槽）
|
||
*/
|
||
showCollapse: {
|
||
type: Boolean,
|
||
default: undefined,
|
||
},
|
||
/**
|
||
* 表单项标签宽度
|
||
*/
|
||
labelWidth: {
|
||
type: String,
|
||
default: '',
|
||
},
|
||
});
|
||
|
||
const emit = defineEmits(['expand-change', 'keyup-enter']);
|
||
|
||
const formModel = props.model;
|
||
const { filterTitle } = props;
|
||
const formRef = ref();
|
||
const isExpanded = ref(props.defaultExpanded);
|
||
const hasCollapsibleContent = ref(false);
|
||
const detectionWrapperRef = ref<HTMLElement | null>(null);
|
||
|
||
// 检测是否有可折叠内容
|
||
const checkCollapsibleContent = () => {
|
||
// 如果 showCollapse 明确指定，则使用指定值
|
||
if (props.showCollapse !== undefined) {
|
||
hasCollapsibleContent.value = props.showCollapse
|
||
return
|
||
}
|
||
|
||
// 否则，通过检查隐藏的检测元素是否有内容来判断
|
||
// 需要等待 DOM 渲染完成，可能需要多次尝试以确保数据加载完成
|
||
let retryCount = 0
|
||
const maxRetries = 5
|
||
|
||
const check = () => {
|
||
nextTick(() => {
|
||
setTimeout(() => {
|
||
if (detectionWrapperRef.value) {
|
||
// 检查检测元素是否有子元素（排除文本节点）
|
||
// 检查是否有 el-form-item 元素（因为表单项会被渲染为 el-form-item）
|
||
const hasContent = detectionWrapperRef.value.children.length > 0 ||
|
||
detectionWrapperRef.value.querySelector('.el-form-item') !== null ||
|
||
(!!detectionWrapperRef.value.textContent && detectionWrapperRef.value.textContent.trim() !== '')
|
||
|
||
if (hasContent || retryCount >= maxRetries) {
|
||
hasCollapsibleContent.value = hasContent
|
||
} else {
|
||
// 如果还没检测到内容且未达到最大重试次数，继续重试
|
||
retryCount++
|
||
setTimeout(check, 100)
|
||
}
|
||
} else {
|
||
if (retryCount < maxRetries) {
|
||
retryCount++
|
||
setTimeout(check, 100)
|
||
} else {
|
||
hasCollapsibleContent.value = false
|
||
}
|
||
}
|
||
}, 50)
|
||
})
|
||
}
|
||
|
||
check()
|
||
}
|
||
|
||
// 是否有需要折叠的项
|
||
const hasCollapsibleItems = computed(() => {
|
||
if (props.showCollapse !== undefined) {
|
||
return props.showCollapse
|
||
}
|
||
return hasCollapsibleContent.value
|
||
});
|
||
|
||
// 处理回车键
|
||
const handleKeyupEnter = () => {
|
||
emit('keyup-enter');
|
||
};
|
||
|
||
// 切换展开/收起状态
|
||
const toggleExpand = () => {
|
||
isExpanded.value = !isExpanded.value;
|
||
emit('expand-change', isExpanded.value);
|
||
};
|
||
|
||
// 监听 defaultExpanded 变化
|
||
watch(
|
||
() => props.defaultExpanded,
|
||
(newVal) => {
|
||
isExpanded.value = newVal;
|
||
}
|
||
);
|
||
|
||
// 监听 showCollapse 变化
|
||
watch(
|
||
() => props.showCollapse,
|
||
() => {
|
||
checkCollapsibleContent()
|
||
}
|
||
);
|
||
|
||
// 初始化时检测
|
||
onMounted(() => {
|
||
checkCollapsibleContent()
|
||
});
|
||
|
||
// 暴露方法供外部调用
|
||
defineExpose({
|
||
formRef,
|
||
toggleExpand,
|
||
expand: () => {
|
||
isExpanded.value = true;
|
||
emit('expand-change', true);
|
||
},
|
||
collapse: () => {
|
||
isExpanded.value = false;
|
||
emit('expand-change', false);
|
||
},
|
||
});
|
||
</script>
|
||
|
||
<style lang="scss" scoped>
|
||
.search-form__bar {
|
||
display: flex;
|
||
align-items: flex-start;
|
||
flex-wrap: wrap;
|
||
gap: 4px 0;
|
||
min-height: 32px;
|
||
}
|
||
|
||
.search-form__left-group {
|
||
:deep(.el-form-item__label) {
|
||
display: none;
|
||
}
|
||
:deep(.el-form-item__content) {
|
||
margin-left: 0 !important;
|
||
}
|
||
margin-bottom: 18px;
|
||
}
|
||
|
||
.search-form__left-inner {
|
||
display: flex;
|
||
align-items: center;
|
||
flex-wrap: wrap;
|
||
gap: 0;
|
||
}
|
||
|
||
.search-form__title {
|
||
position: relative;
|
||
display: inline-flex;
|
||
align-items: center;
|
||
gap: 6px;
|
||
flex-shrink: 0;
|
||
padding-right: 12px;
|
||
height: 32px;
|
||
line-height: 32px;
|
||
font-size: 14px;
|
||
font-weight: 500;
|
||
color: var(--el-text-color-secondary);
|
||
cursor: default;
|
||
user-select: none;
|
||
|
||
&::after {
|
||
content: '';
|
||
position: absolute;
|
||
right: 0;
|
||
top: 50%;
|
||
transform: translateY(-50%);
|
||
width: 1px;
|
||
height: 14px;
|
||
background: var(--el-border-color);
|
||
}
|
||
}
|
||
|
||
.search-form__title-icon {
|
||
font-size: 15px;
|
||
color: var(--el-text-color-secondary);
|
||
}
|
||
|
||
.search-form-container {
|
||
flex: 1;
|
||
min-width: 0;
|
||
|
||
:deep(.el-form--inline) {
|
||
align-items: center;
|
||
}
|
||
|
||
.search-form__left-inner :deep(.toggle-btn__icon) {
|
||
transition: transform 0.25s ease;
|
||
}
|
||
.search-form__left-inner :deep(.toggle-btn__icon--expanded) {
|
||
transform: rotate(180deg);
|
||
}
|
||
|
||
.search-form__left-inner :deep(.toggle-btn) {
|
||
padding: 0 12px;
|
||
display: inline-flex;
|
||
align-items: center;
|
||
font-weight: 500;
|
||
// 默认态直接使用 hover 的视觉样式
|
||
color: var(--el-color-primary);
|
||
background-color: var(--el-fill-color-lighter);
|
||
border: 1px solid var(--el-color-primary-light-7);
|
||
transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
|
||
|
||
&:hover {
|
||
background-color: var(--el-fill-color-light);
|
||
border-color: var(--el-color-primary);
|
||
color: var(--el-color-primary);
|
||
}
|
||
}
|
||
|
||
:deep(.el-form-item:not(:has(.el-button))) {
|
||
margin-right: 15px;
|
||
}
|
||
|
||
/* 折叠区收起时隐藏，展开时 display:contents 不破坏表单行内流 */
|
||
.collapse-visibility {
|
||
display: contents;
|
||
}
|
||
|
||
/* 查询/重置按钮区：表单项 margin-right 为 0 */
|
||
.search-form__actions {
|
||
display: contents;
|
||
:deep(.el-form-item) {
|
||
margin-right: 0 !important;
|
||
}
|
||
}
|
||
}
|
||
</style>
|
||
|