index.vue
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<template>
<z-form ref="form" v-model="model" v-bind="schema.props" v-on="schema.props">
<template v-for="(item, index) in schema.items">
<template v-if="item.is">
<z-form-item v-bind="keywordFilter(item)" :key="index">
<slot
v-if="$scopedSlots[item.prop]"
:name="item.prop"
:value="get(model, item.prop)"
:onInput="value => onComponentInput({ value, item })"
:props="{ value: get(model, item.prop) }"
:listeners="{ input: value => onComponentInput({ value, item }) }"
v-bind="slotProps"
>
</slot>
<item-render v-else :item="item" :value="get(model, item.prop)" :onInput="value => onComponentInput({ value, item })"></item-render>
<slot :name="`label-${item.prop}`" slot="label" v-bind="slotProps"></slot>
<slot :name="`error-${item.prop}`" slot="error" v-bind="slotProps"></slot>
</z-form-item>
</template>
<template v-else>
<z-form-item v-bind="keywordFilter(item)" :key="index" :value="get(model, item.prop)">
<slot
:name="item.prop"
:value="get(model, item.prop)"
:onInput="value => onComponentInput({ value, item })"
:props="{ value: get(model, item.prop) }"
:listeners="{ input: value => onComponentInput({ value, item }) }"
v-bind="slotProps"
></slot>
</z-form-item>
</template>
</template>
<slot name="footer" v-bind="slotProps"></slot>
</z-form>
</template>
<script>
import { cloneDeep, get, set } from '../utils';
export default {
name: 'SchemaForm',
components: {
ItemRender: {
functional: true,
render(h, context) {
const props = context.props;
const item = props.item || {};
let content = [];
if (item.render && typeof item.render === 'function') {
content = context.props.render;
}
if (item.children) {
if (Array.isArray(item.children)) {
if (item.children.length > 0) {
content = item.children.map(i => h('item-render', { props: { item: i } }));
}
} else {
content = [item.children];
}
}
let _props = item.props || {};
if (props.value) {
_props = { ..._props, value: props.value };
}
let _on = item.on || {};
if (props.onInput) {
_on = { ..._on, input: props.onInput };
}
return h(item.is, { attrs: item.attrs, props: _props, on: _on }, content);
},
},
},
props: {
value: {
type: Object,
default() {
return {};
},
},
schema: {
type: Object,
required: true,
},
},
data() {
return {
model: this.value,
originData: {},
};
},
computed: {
schemaProps() {
return this.schema.props;
},
slotProps() {
return {
submit: this.onSubmit,
cancel: this.onCancel,
reset: this.onReset,
};
},
},
created() {
const { originData, ...other } = this._data;
this.originData = cloneDeep(other);
},
watch: {
value(val = {}) {
this.model = val;
},
model: {
handler(val) {
this.$emit('input', val);
},
deep: true,
},
},
methods: {
get,
validate(callback) {
return this.$refs.form.validate(callback);
},
validateField(props, callback) {
return this.$refs.form.validateField(props, callback);
},
resetFields() {
this.$refs.form.resetFields();
},
clearValidate(props) {
return this.$refs.form.clearValidate(props);
},
keywordFilter(val = {}) {
const { children, is, ...other } = val;
return other;
},
onComponentInput({ value, item }) {
set(this.model, item.prop, value);
},
onSubmit() {
this.$refs.form.validate(valid => {
if (valid) {
this.$emit('submit', this.model);
}
});
},
onCancel() {
this.$emit('cancel');
},
onReset() {
this.model = cloneDeep(this.originData).model;
this.$refs.form.resetFields();
this.$emit('reset');
},
},
};
</script>