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dax-pay-ui/src/components/Form/src/BasicForm.vue
2020-10-01 00:24:14 +08:00

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<template>
<Form v-bind="$attrs" ref="formElRef" :model="formModel">
<Row :class="getProps.compact ? 'compact-form-row' : ''">
<slot name="formHeader" />
<template v-for="schema in getSchema" :key="schema.field">
<FormItem
:schema="schema"
:formProps="getProps"
:allDefaultValues="getAllDefaultValues"
:formModel="formModel"
>
<template v-slot:[item] v-for="item in Object.keys($slots)">
<slot :name="item" />
</template>
</FormItem>
</template>
<FormAction
v-bind="{ ...getActionPropsRef, ...advanceState }"
@toggle-advanced="handleToggleAdvanced"
/>
<slot name="formFooter" />
</Row>
</Form>
</template>
<script lang="ts">
import type { FormActionType, FormProps, FormSchema } from './types/form';
import type { Form as FormType, ValidateFields } from 'ant-design-vue/types/form/form';
import {
defineComponent,
reactive,
ref,
computed,
unref,
toRaw,
watch,
toRef,
onMounted,
} from 'vue';
import { Form, Row } from 'ant-design-vue';
import FormItem from './FormItem';
import { basicProps } from './props';
import { deepMerge, unique } from '/@/utils';
import FormAction from './FormAction';
import { dateItemType } from './helper';
import moment from 'moment';
import { isArray, isBoolean, isFunction, isNumber, isObject, isString } from '/@/utils/is';
import { cloneDeep } from 'lodash-es';
import { useBreakpoint } from '/@/hooks/event/useBreakpoint';
// import { useThrottle } from '/@/hooks/core/useThrottle';
import { useFormValues } from './hooks/useFormValues';
import type { ColEx } from './types';
import { NamePath } from 'ant-design-vue/types/form/form-item';
const BASIC_COL_LEN = 24;
export default defineComponent({
name: 'BasicForm',
inheritAttrs: false,
components: { FormItem, Form, Row, FormAction },
props: basicProps,
emits: ['advanced-change', 'reset', 'submit', 'register'],
setup(props, { emit }) {
let formModel = reactive({});
const advanceState = reactive({
isAdvanced: true,
hideAdvanceBtn: false,
isLoad: false,
actionSpan: 6,
});
const propsRef = ref<Partial<FormProps>>({});
const schemaRef = ref<FormSchema[] | null>(null);
const formElRef = ref<Nullable<FormType>>(null);
const getMergePropsRef = computed(
(): FormProps => {
return deepMerge(toRaw(props), unref(propsRef));
}
);
// 获取表单基本配置
const getProps = computed(
(): FormProps => {
const resetAction = {
onClick: resetFields,
};
const submitAction = {
onClick: handleSubmit,
};
return {
...unref(getMergePropsRef),
resetButtonOptions: deepMerge(
resetAction,
unref(getMergePropsRef).resetButtonOptions || {}
) as any,
submitButtonOptions: deepMerge(
submitAction,
unref(getMergePropsRef).submitButtonOptions || {}
) as any,
};
}
);
const getActionPropsRef = computed(() => {
const {
resetButtonOptions,
submitButtonOptions,
showActionButtonGroup,
showResetButton,
showSubmitButton,
showAdvancedButton,
actionColOptions,
} = unref(getProps);
return {
resetButtonOptions,
submitButtonOptions,
show: showActionButtonGroup,
showResetButton,
showSubmitButton,
showAdvancedButton,
actionColOptions,
};
});
const getSchema = computed((): FormSchema[] => {
const schemas: FormSchema[] = unref(schemaRef) || (unref(getProps).schemas as any);
for (const schema of schemas) {
const { defaultValue, component } = schema;
if (defaultValue && dateItemType.includes(component!)) {
schema.defaultValue = moment(defaultValue);
}
}
return schemas as FormSchema[];
});
const getAllDefaultValues = computed(() => {
const schemas = unref(getSchema);
const obj: any = {};
schemas.forEach((item) => {
if (item.defaultValue) {
obj[item.field] = item.defaultValue;
(formModel as any)[item.field] = item.defaultValue;
}
});
return obj;
});
const getEmptySpanRef = computed((): number => {
if (!advanceState.isAdvanced) {
return 0;
}
const emptySpan = unref(getMergePropsRef).emptySpan || 0;
if (isNumber(emptySpan)) {
return emptySpan;
}
if (isObject(emptySpan)) {
const { span = 0 } = emptySpan;
const screen = unref(screenRef) as string;
const screenSpan = (emptySpan as any)[screen.toLowerCase()];
return screenSpan || span || 0;
}
return 0;
});
const { realWidthRef, screenEnum, screenRef } = useBreakpoint();
// const [throttleUpdateAdvanced] = useThrottle(updateAdvanced, 30, { immediate: true });
watch(
[() => unref(getSchema), () => advanceState.isAdvanced, () => unref(realWidthRef)],
() => {
const { showAdvancedButton } = unref(getProps);
if (showAdvancedButton) {
updateAdvanced();
}
},
{ immediate: true }
);
function updateAdvanced() {
let itemColSum = 0;
let realItemColSum = 0;
for (const schema of unref(getSchema)) {
const { show, colProps } = schema;
let isShow = true;
if (isBoolean(show)) {
isShow = show;
}
if (isFunction(show)) {
isShow = show({
schema: schema,
model: formModel,
field: schema.field,
values: {
...getAllDefaultValues,
...formModel,
},
});
}
if (isShow && colProps) {
const { itemColSum: sum, isAdvanced } = getAdvanced(colProps, itemColSum);
itemColSum = sum || 0;
if (isAdvanced) {
realItemColSum = itemColSum;
}
schema.isAdvanced = isAdvanced;
}
}
advanceState.actionSpan = (realItemColSum % BASIC_COL_LEN) + unref(getEmptySpanRef);
getAdvanced(props.actionColOptions || { span: BASIC_COL_LEN }, itemColSum, true);
emit('advanced-change');
}
function getAdvanced(itemCol: Partial<ColEx>, itemColSum = 0, isLastAction = false) {
const width = unref(realWidthRef);
const mdWidth =
parseInt(itemCol.md as string) ||
parseInt(itemCol.xs as string) ||
parseInt(itemCol.sm as string) ||
(itemCol.span as number) ||
BASIC_COL_LEN;
const lgWidth = parseInt(itemCol.lg as string) || mdWidth;
const xlWidth = parseInt(itemCol.xl as string) || lgWidth;
const xxlWidth = parseInt(itemCol.xxl as string) || xlWidth;
if (width <= screenEnum.LG) {
itemColSum += mdWidth;
} else if (width < screenEnum.XL) {
itemColSum += lgWidth;
} else if (width < screenEnum.XXL) {
itemColSum += xlWidth;
} else {
itemColSum += xxlWidth;
}
if (isLastAction) {
advanceState.hideAdvanceBtn = false;
if (itemColSum <= BASIC_COL_LEN * 2) {
// 小于等于2行时不显示收起展开按钮
advanceState.hideAdvanceBtn = true;
advanceState.isAdvanced = true;
} else if (
itemColSum > BASIC_COL_LEN * 2 &&
itemColSum <= BASIC_COL_LEN * (props.autoAdvancedLine || 3)
) {
advanceState.hideAdvanceBtn = false;
// 大于3行默认收起
} else if (!advanceState.isLoad) {
advanceState.isLoad = true;
advanceState.isAdvanced = !advanceState.isAdvanced;
}
return { isAdvanced: advanceState.isAdvanced, itemColSum };
}
if (itemColSum > BASIC_COL_LEN) {
return { isAdvanced: advanceState.isAdvanced, itemColSum };
} else {
// 第一行始终显示
return { isAdvanced: true, itemColSum };
}
}
async function resetFields(): Promise<any> {
const { resetFunc } = unref(getProps);
resetFunc && isFunction(resetFunc) && (await resetFunc());
const formEl = unref(formElRef);
if (!formEl) return;
Object.keys(formModel).forEach((key) => {
(formModel as any)[key] = undefined;
});
const values = formEl.resetFields();
emit('reset', toRaw(formModel));
return values;
}
/**
* @description: 设置表单值
*/
async function setFieldsValue(values: any): Promise<void> {
const fields = unref(getSchema)
.map((item) => item.field)
.filter(Boolean);
const formEl = unref(formElRef);
Object.keys(values).forEach((key) => {
const element = values[key];
if (fields.includes(key) && element !== undefined && element !== null) {
// 时间
(formModel as any)[key] = itemIsDateType(key) ? moment(element) : element;
if (formEl) {
formEl.validateFields([key]);
}
}
});
}
/**
* @description: 表单提交
*/
async function handleSubmit(e?: Event): Promise<void> {
e && e.preventDefault();
const { submitFunc } = unref(getProps);
if (submitFunc && isFunction(submitFunc)) {
await submitFunc();
return;
}
const formEl = unref(formElRef);
if (!formEl) return;
try {
const values = await formEl.validate();
const res = handleFormValues(values);
emit('submit', res);
} catch (error) {}
}
/**
* @description: 根据字段名删除
*/
function removeSchemaByFiled(fields: string | string[]): void {
const schemaList: FormSchema[] = cloneDeep(unref(getSchema));
if (!fields) {
return;
}
let fieldList: string[] = fields as string[];
if (isString(fields)) {
fieldList = [fields];
}
for (const field of fieldList) {
_removeSchemaByFiled(field, schemaList);
}
schemaRef.value = schemaList as any;
}
/**
* @description: 根据字段名删除
*/
function _removeSchemaByFiled(field: string, schemaList: FormSchema[]): void {
if (isString(field)) {
const index = schemaList.findIndex((schema) => schema.field === field);
if (index !== -1) {
schemaList.splice(index, 1);
}
}
}
/**
* @description: 往某个字段后面插入,如果没有插入最后一个
*/
function appendSchemaByField(schema: FormSchema, prefixField?: string) {
const schemaList: FormSchema[] = cloneDeep(unref(getSchema));
const index = schemaList.findIndex((schema) => schema.field === prefixField);
const hasInList = schemaList.find((item) => item.field === schema.field);
if (hasInList) {
return;
}
if (!prefixField || index === -1) {
schemaList.push(schema);
schemaRef.value = schemaList as any;
return;
}
if (index !== -1) {
schemaList.splice(index + 1, 0, schema);
}
schemaRef.value = schemaList as any;
}
function updateSchema(data: Partial<FormSchema> | Partial<FormSchema>[]) {
let updateData: Partial<FormSchema>[] = [];
if (isObject(data)) {
updateData.push(data as FormSchema);
}
if (isArray(data)) {
updateData = [...data];
}
const hasField = updateData.every((item) => Reflect.has(item, 'field') && item.field);
if (!hasField) {
throw new Error('Must pass in the `field` field!');
}
const schema: FormSchema[] = [];
updateData.forEach((item) => {
unref(getSchema).forEach((val) => {
if (val.field === item.field) {
const newScheam = deepMerge(val, item);
schema.push(newScheam as FormSchema);
} else {
schema.push(val);
}
});
});
schemaRef.value = unique(schema, 'field') as any;
}
function handleToggleAdvanced() {
advanceState.isAdvanced = !advanceState.isAdvanced;
}
const handleFormValues = useFormValues(
toRef(props, 'transformDateFunc'),
toRef(props, 'fieldMapToTime')
);
function getFieldsValue(): any {
const formEl = unref(formElRef);
if (!formEl) return;
return handleFormValues(toRaw(unref(formModel)));
}
/**
* @description: 是否是时间
*/
function itemIsDateType(key: string) {
return unref(getSchema).some((item) => {
return item.field === key ? dateItemType.includes(item.component!) : false;
});
}
/**
* @description:设置表单
*/
function setProps(formProps: Partial<FormProps>): void {
const mergeProps = deepMerge(unref(propsRef) || {}, formProps);
propsRef.value = mergeProps;
}
function validateFields(nameList?: NamePath[] | undefined) {
if (!formElRef.value) return;
return formElRef.value.validateFields(nameList);
}
function validate(nameList?: NamePath[] | undefined) {
if (!formElRef.value) return;
return formElRef.value.validate(nameList);
}
function clearValidate(name: string | string[]) {
if (!formElRef.value) return;
formElRef.value.clearValidate(name);
}
const methods: Partial<FormActionType> = {
getFieldsValue,
setFieldsValue,
resetFields,
updateSchema,
setProps,
removeSchemaByFiled,
appendSchemaByField,
clearValidate,
validateFields: validateFields as ValidateFields,
validate: validate as ValidateFields,
};
onMounted(() => {
emit('register', methods);
});
return {
handleToggleAdvanced,
formModel,
getActionPropsRef,
getAllDefaultValues,
advanceState,
getProps,
formElRef,
getSchema,
...methods,
};
},
});
</script>