vxe-pc-ui/es/form/src/form-group.js

A vue based PC component library

import { defineComponent, onUnmounted, inject, ref, h, reactive, onMounted, provide, createCommentVNode } from 'vue';
import { createItem, watchItem, destroyItem, assembleItem } from './util';
import { renderer } from '../../ui';
import { isEnableConf } from '../../ui/src/utils';
import { formItemProps } from './form-item';
import { renderTitle, getItemClass, getItemContentClass } from './render';
import XEUtils from 'xe-utils';
export default defineComponent({
    name: 'VxeFormGroup',
    props: formItemProps,
    setup(props, context) {
        const { slots } = context;
        const refElem = ref();
        const $xeForm = inject('$xeForm', {});
        const $xeParentFormGroup = inject('$xeFormGroup', null);
        const formItem = reactive(createItem($xeForm, props));
        formItem.slots = slots;
        formItem.children = [];
        const formItemInfo = { itemConfig: formItem };
        provide('xeFormItemInfo', formItemInfo);
        const renderVN = () => {
            const formProps = $xeForm.props;
            const $xeGrid = $xeForm.xeGrid;
            const item = formItem;
            const { data, readonly, disabled } = formProps;
            const { visible, field, itemRender, contentStyle } = item;
            const compConf = isEnableConf(itemRender) ? renderer.get(itemRender.name) : null;
            const itemStyle = compConf ? (compConf.formItemStyle || compConf.itemStyle) : null;
            const itemContentStyle = compConf ? (compConf.formItemContentStyle || compConf.itemContentStyle) : null;
            const defaultSlot = slots ? slots.default : null;
            const params = { data, disabled, readonly, field, property: field, item, $form: $xeForm, $grid: $xeGrid };
            if (visible === false) {
                return createCommentVNode();
            }
            return h('div', {
                ref: refElem,
                key: item.id,
                class: getItemClass($xeForm, item, true),
                style: XEUtils.isFunction(itemStyle) ? itemStyle(params) : itemStyle
            }, [
                renderTitle($xeForm, item, true),
                h('div', {
                    class: getItemContentClass($xeForm, item, true),
                    style: Object.assign({}, XEUtils.isFunction(itemContentStyle) ? itemContentStyle(params) : itemContentStyle, XEUtils.isFunction(contentStyle) ? contentStyle(params) : contentStyle)
                }, defaultSlot ? defaultSlot({}) : [])
            ]);
        };
        const $xeFormGroup = {
            formItem,
            renderVN
        };
        watchItem(props, formItem);
        onMounted(() => {
            const elem = refElem.value;
            assembleItem($xeForm, elem, formItem, $xeParentFormGroup);
        });
        onUnmounted(() => {
            destroyItem($xeForm, formItem);
        });
        provide('$xeFormGroup', $xeFormGroup);
        provide('$xeFormItem', null);
        return $xeFormGroup;
    },
    render() {
        return this.renderVN();
    }
});