@form-create/element-ui
Version:
Element UI版本低代码表单|FormCreate 是一个可以通过 JSON 生成具有动态渲染、数据收集、验证和提交功能的低代码表单生成组件。支持6个UI框架，适配移动端，并且支持生成任何 Vue 组件。内置20种常用表单组件和自定义组件，再复杂的表单都可以轻松搞定。
265 lines (254 loc) • 8.45 kB
JavaScript
import getConfig from './config';
import mergeProps from '@form-create/utils/lib/mergeprops';
import is, {hasProperty} from '@form-create/utils/lib/type';
import toString from '@form-create/utils/lib/tostring';
import extend from '@form-create/utils/lib/extend';
function isTooltip(info) {
return info.type === 'tooltip';
}
const upperCaseReg = /[A-Z]/;
export function isAttr(name, value) {
return (!upperCaseReg.test(name) && (is.String(value) || is.Number(value)))
}
function tidy(props, name) {
if (!hasProperty(props, name)) return;
if (is.String(props[name])) {
props[name] = {[name]: props[name], show: true};
}
}
function isFalse(val) {
return val === false;
}
function tidyBool(opt, name) {
if (hasProperty(opt, name) && !is.Object(opt[name])) {
opt[name] = {show: !!opt[name]};
}
}
export default {
validate() {
const form = this.form();
if (form) {
return form.validate();
}
return new Promise(v => v());
},
validateField(field) {
const form = this.form();
if (form) {
return new Promise((resolve, reject) => {
form.validateField(field, e => {
e ? reject(e) : resolve(null);
});
})
}
return new Promise(v => v());
},
clearValidateState(ctx) {
const fItem = this.vm.$refs[ctx.wrapRef];
if (fItem) {
fItem.validateMessage = '';
fItem.validateState = '';
}
},
tidyOptions(options) {
['submitBtn', 'resetBtn', 'row', 'info', 'wrap', 'col', 'title'].forEach(name => {
tidyBool(options, name);
})
return options;
},
tidyRule({prop}) {
tidy(prop, 'title');
tidy(prop, 'info');
return prop;
},
mergeProp(ctx) {
let props = ctx.prop.props;
ctx.prop = mergeProps([{
attrs: Object.keys(props).reduce((initial, val) => {
if (isAttr(val, props[val]))
initial[val] = props[val];
return initial;
}, {}),
info: this.options.info || {},
wrap: this.options.wrap || {},
col: this.options.col || {},
title: this.options.title || {},
}, ctx.prop], {
info: {
trigger: 'hover',
placement: 'top-start',
icon: 'el-icon-warning',
},
title: {},
col: {span: 24},
wrap: {},
}, {normal: ['title', 'info', 'col', 'wrap']});
},
getDefaultOptions() {
return getConfig();
},
update() {
const form = this.options.form;
this.rule = {
props: {...form},
nativeOn: {
submit: (e) => {
e.preventDefault();
}
},
class: [form.className, form.class, 'form-create'],
style: form.style,
type: 'form',
};
},
beforeRender() {
const {key, ref, $handle} = this;
extend(this.rule, {key, ref});
extend(this.rule.props, {
model: $handle.formData,
// rules: $handle.validate(),
});
},
render(children) {
if (children.length) {
children.push(this.makeFormBtn());
}
return this.$r(this.rule, isFalse(this.options.row.show) ? children : [this.makeRow(children)]);
},
makeWrap(ctx, children) {
const rule = ctx.prop;
const uni = `${this.key}${ctx.key}`;
const col = rule.col;
const isTitle = this.isTitle(rule);
const labelWidth = (!col.labelWidth && !isTitle) ? 0 : col.labelWidth;
const {inline, col: _col} = this.rule.props;
const item = isFalse(rule.wrap.show) ? children : this.$r(mergeProps([rule.wrap, {
props: {
labelWidth: labelWidth === void 0 ? labelWidth : toString(labelWidth),
label: isTitle ? rule.title.title : undefined,
...(rule.wrap || {}),
prop: ctx.id,
rules: ctx.injectValidate(),
},
class: rule.className,
key: `${uni}fi`,
ref: ctx.wrapRef,
type: 'formItem',
}]), [children, isTitle ? this.makeInfo(rule, uni, ctx) : null]);
return (inline === true || isFalse(_col) || isFalse(col.show)) ? item : this.makeCol(rule, uni, [item]);
},
isTitle(rule) {
if (this.options.form.title === false) return false;
const title = rule.title;
return !((!title.title && !title.native) || isFalse(title.show))
},
makeInfo(rule, uni, ctx) {
const titleProp = rule.title;
const infoProp = rule.info;
const isTip = isTooltip(infoProp);
const form = this.options.form;
const titleSlot = this.getSlot('title');
const children = [titleSlot ? titleSlot({title: titleProp.title || '', rule: ctx.rule, options: this.options}) : ((titleProp.title || '') + (form.labelSuffix || form['label-suffix'] || ''))];
if (!isFalse(infoProp.show) && (infoProp.info || infoProp.native) && !isFalse(infoProp.icon)) {
const prop = {
type: infoProp.type || 'popover',
props: {...infoProp},
key: `${uni}pop`,
slot: 'label'
};
const field = 'content';
if (infoProp.info && !hasProperty(prop.props, field)) {
prop.props[field] = infoProp.info;
}
children[infoProp.align !== 'left' ? 'unshift' : 'push'](this.$r(mergeProps([infoProp, prop]), [
this.$r({
type: 'i',
slot: isTip ? 'default' : 'reference',
class: infoProp.icon === true ? 'el-icon-warning' : infoProp.icon,
key: `${uni}i`
})
]));
}
return this.$r(mergeProps([titleProp, {
props: titleProp,
slot: titleProp.slot || 'label',
key: `${uni}tit`,
type: titleProp.type || 'span',
}]), children);
},
makeCol(rule, uni, children) {
const col = rule.col;
return this.$r({
class: col.class,
type: 'col',
props: col || {span: 24},
key: `${uni}col`
}, children);
},
makeRow(children) {
const row = this.options.row || {};
return this.$r({
type: 'row',
props: row,
class: row.class,
key: `${this.key}row`
}, children)
},
makeFormBtn() {
let vn = [];
if (!isFalse(this.options.submitBtn.show)) {
vn.push(this.makeSubmitBtn())
}
if (!isFalse(this.options.resetBtn.show)) {
vn.push(this.makeResetBtn())
}
if (!vn.length) {
return;
}
const item = this.$r({
type: 'formItem',
key: `${this.key}fb`
}, vn);
return this.rule.props.inline === true
? item
: this.$r({
type: 'col',
props: {span: 24},
key: `${this.key}fc`
}, [item]);
},
makeResetBtn() {
const resetBtn = this.options.resetBtn;
return this.$r({
type: 'button',
props: resetBtn,
style: {width: resetBtn.width},
on: {
click: () => {
const fApi = this.$handle.api;
resetBtn.click
? resetBtn.click(fApi)
: fApi.resetFields();
}
},
key: `${this.key}b2`,
}, [resetBtn.innerText]);
},
makeSubmitBtn() {
const submitBtn = this.options.submitBtn;
return this.$r({
type: 'button',
props: submitBtn,
style: {width: submitBtn.width},
on: {
click: () => {
const fApi = this.$handle.api;
submitBtn.click
? submitBtn.click(fApi)
: fApi.submit();
}
},
key: `${this.key}b1`,
}, [submitBtn.innerText]);
}
}