index.vue
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<template>
<z-schema-form ref="form" class="z-schema-filter" v-model="model" :schema="formattedSchema">
<template v-for="key in slotKeys">
<slot :name="key" :slot="key" v-bind="slotProps"></slot>
</template>
<el-button-group v-if="!slotKeys.includes('operation')" slot="operation" style="display: flex; justify-content: flex-end">
<el-button type="primary" @click="onSearch" :loading="loading" icon="el-icon-search">查询</el-button>
<el-button @click="onReset">重置</el-button>
<el-button v-if="showCollapsed" @click="onCollapse">{{ collapsed ? '收起' : '展开' }}</el-button>
</el-button-group>
</z-schema-form>
</template>
<script>
import MIX_FORM from '../mixins/form';
import { cloneDeep } from '../utils';
export default {
name: 'SchemaFilter',
mixins: [MIX_FORM],
props: {
value: Object,
schema: {
type: Object,
default() {
return {};
},
},
size: String,
loading: Boolean,
display: {
type: Number,
default: 3,
},
span: {
type: Number,
default: 6,
},
collapsedSpan: Number,
uncollapsedSpan: Number,
},
data() {
return {
collapsed: false,
model: this.value,
originData: {},
};
},
watch: {
value(val = {}) {
this.model = val;
},
model(val) {
this.$emit('input', val);
},
},
computed: {
filterSize() {
return this.size || (this.$ELEMENT || {}).size;
},
formattedItems() {
const items = this.schema.items || [];
const result = [];
const visibleNumber = this.display - 1;
items.forEach((item, index) => {
if (!this.collapsed && index > visibleNumber && index < items.length) {
result.push({ ...item, if: true, show: false });
} else {
result.push({ ...item, if: true, show: true });
}
});
return result;
},
formattedSchema() {
return {
props: { span: this.span, 'label-width': '75px', size: this.filterSize || 'small', ...(this.schema.props || {}) },
items: [...this.formattedItems, { prop: 'operation', label: '', labelWidth: '0px', span: this.operationSpan }],
};
},
rowItemCount() {
return parseInt(24 / this.span);
},
rowItemRemain() {
return this.formattedItems.length % this.rowItemCount;
},
operationSpan() {
if (this.collapsed) {
if (this.collapsedSpan) {
return this.collapsedSpan;
}
return (this.rowItemCount - this.rowItemRemain) * this.span;
} else {
if (this.uncollapsedSpan) {
return this.uncollapsedSpan;
}
if (this.formattedItems.length < this.display) {
return this.span * (this.rowItemCount - this.rowItemRemain);
}
if (this.display < this.rowItemCount - 1) {
return this.span * this.display;
}
return this.span;
}
},
showCollapsed() {
return this.formattedItems.length > this.display;
},
slotKeys() {
return Object.keys(this.$scopedSlots);
},
slotProps() {
return {
size: this.size,
search: this.onSearch,
reset: this.onReset,
collapse: this.onCollapse,
collapsed: this.collapsed,
loading: this.loading,
};
},
},
created() {
const { originData, ...other } = this._data;
this.originData = cloneDeep(other);
},
methods: {
// 搜索
onSearch() {
this.$refs.form.validate(valid => {
if (valid) {
this.$emit('search', this.model);
}
});
},
// 重置
onReset() {
this.model = cloneDeep(this.originData).model;
this.$refs.form.resetFields();
this.$emit('reset');
},
// 折叠
onCollapse() {
this.collapsed = !this.collapsed;
},
},
};
</script>