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<template>
<div :class="classes">
<template v-if="this.uiStyle === 'STYLE2'">
<app-form-item2
:caption="caption"
:labelStyle="labelStyle"
:error="error"
:labelPos="labelPos"
:labelWidth="labelWidth"
:isShowCaption="isShowCaption"
:isEmptyCaption="isEmptyCaption"
:name="name"
:uiStyle="uiStyle"
:itemRules="itemRules">
<slot></slot>
</app-form-item2>
</template>
<template v-if="this.uiStyle !== 'STYLE2'">
<div
v-if="Object.is(this.labelPos,'BOTTOM') || Object.is(this.labelPos,'NONE') || !this.labelPos"
class="editor"
:style="slotstyle"
>
<form-item :prop="name" :error="error" :rules="itemRules">
<slot></slot>
</form-item>
</div>
<span
v-if="!Object.is(this.labelPos,'NONE') && this.isShowCaption && this.labelWidth > 0"
:style="labelstyle"
:class="labelclasses"
>
<span v-if="required" style="color:red;">* </span>
<span v-if="!isEmptyCaption">
<el-tooltip v-if="isShowTip" placement="top" effect="light">
<span v-html="caption"></span>
<template >
<span slot="content" v-html="caption" ></span>
</template>
</el-tooltip>
<template v-if="!isShowTip">
<span v-html="caption" ></span>
</template>
</span>
</span>
<div
v-if="Object.is(this.labelPos,'TOP') || Object.is(this.labelPos,'LEFT') || Object.is(this.labelPos,'RIGHT')"
class="editor"
:style="slotstyle"
>
<form-item :prop="name" :error="error" :rules="itemRules">
<slot></slot>
</form-item>
</div>
</template>
</div>
</template>
<script lang="ts">
import { Vue, Component, Prop, Watch } from "vue-property-decorator";
@Component({})
export default class AppFormItem extends Vue {
/**
* 名称
*
* @type {string}
* @memberof AppFormItem
*/
@Prop() public caption!: string;
/**
* 错误信息
*
* @type {string}
* @memberof AppFormItem
*/
@Prop() public error?: string;
/**
* label样式
*
* @type {string}
* @memberof AppFormItem
*/
@Prop() public labelStyle?: string;
/**
* 标签位置
*
* @type {(string | 'BOTTOM' | 'LEFT' | 'NONE' | 'RIGHT' | 'TOP')}
* @memberof AppFormItem
*/
@Prop() public labelPos?:
| string
| "BOTTOM"
| "LEFT"
| "NONE"
| "RIGHT"
| "TOP";
/**
* 标签宽度
*
* @type {number}
* @memberof AppFormItem
*/
@Prop({}) public labelWidth!: number;
/**
* 是否显示标题
*
* @type {boolean}
* @memberof AppFormItem
*/
@Prop() public isShowCaption?: boolean;
/**
* 标签是否空白
*
* @type {boolean}
* @memberof AppFormItem
*/
@Prop() public isEmptyCaption?: boolean;
/**
* 表单项名称
*
* @type {string}
* @memberof AppFormItem
*/
@Prop() public name!: string;
/**
* 内置样式
*
* @type {string}
* @memberof AppFormItem
*/
@Prop() public uiStyle?: string;
/**
* 表单项值规则
*
* @type {string}
* @memberof AppFormItem
*/
@Prop() public itemRules!: any;
/**
* 是否显示表单项Label提示
*
* @memberof AppFormItem
*/
public isShowTip:boolean = false;
/**
* 是否必填
*
* @type {boolean}
* @memberof AppFormItem
*/
public required: boolean = false;
/**
* 表单项值规则监控
*
* @param {*} newVal
* @param {*} oldVal
* @memberof AppFormItem
*/
@Watch("itemRules", { deep: true })
onItemRulesChange(newVal: any, oldVal: any) {
if (newVal) {
try {
this.itemRules.some((rule: any) => {
if (rule.hasOwnProperty("required")) {
this.required = rule.required;
return true;
}
return false;
});
} catch (error) {}
}
}
/**
* 计算样式
*
* @readonly
* @type {string []}
* @memberof AppFormItem
*/
get classes(): string[] {
let posClass = "";
switch (this.labelPos) {
case "TOP":
posClass = "label-top";
break;
case "LEFT":
posClass = "label-left";
break;
case "BOTTOM":
posClass = "label-bottom";
break;
case "RIGHT":
posClass = "label-right";
break;
case "NONE":
posClass = "label-none";
break;
}
return [ "app-form-item", posClass ];
}
/**
* label样式
*
* @readonly
* @type {string}
* @memberof AppFormItem
*/
get labelclasses(): string {
return this.labelStyle
? this.labelStyle + " app-form-item-label"
: "app-form-item-label";
}
/**
* label行内样式
*
* @readonly
* @type {string}
* @memberof AppFormItem
*/
get labelstyle(): any {
if (Object.is(this.labelPos, 'LEFT') || Object.is(this.labelPos, 'RIGHT')) {
return { width: this.labelWidth + "px" };
}
}
/**
* slot行内样式
*
* @readonly
* @type {string}
* @memberof AppFormItem
*/
get slotstyle(): any {
if (Object.is(this.labelPos, "LEFT")) {
return { marginLeft: this.labelWidth + "px" };
} else if (Object.is(this.labelPos, "RIGHT")) {
return { marginRight: this.labelWidth + "px" };
}
}
/**
* vue 生命周期
*
* @memberof AppFormItem
*/
public mounted() {
if (this.itemRules) {
try {
this.itemRules.some((rule: any) => {
if (rule.hasOwnProperty("required")) {
this.required = rule.required;
return true;
}
return false;
});
} catch (error) {}
}
this.getShowTip();
}
/**
* 计算是否显示表单项Label提示
*
* @memberof AppFormItem
*/
public getShowTip(){
if(this.caption && ((this.caption.length)*14) > this.labelWidth ){
this.isShowTip = true;
}
}
}
</script>
<style lang='less'>
@import "./app-form-item.less";
</style>