<template>
    <div class="app-stepper">
        <el-input-number 
            v-model="currentVal"
            :disabled="disabled || readonly"
            size="small"
            :min="min"
            :max="max"
            :step="step"
            @blur="blur"
            @focus="focus"
        ></el-input-number>
    </div>
</template>

<script lang='ts'>
import { Component, Vue, Prop, } from "vue-property-decorator";

@Component({})
export default class AppStepper extends Vue {
    /**
     * 传入值
     * @type {any}
     * @memberof AppStepper
     */
    @Prop() public value?: any;

    /**
     * 属性项名称
     *
     * @type {string}
     * @memberof AppPicker
     */
    @Prop() public name!: string;

    /**
     * 是否禁用
     * @type {boolean}
     * @memberof AppStepper
     */
    @Prop() public disabled?: boolean;

    /**
     * 只读模式
     * 
     * @type {boolean}
     */
    @Prop({ default: false }) public readonly?: boolean;

    /**
     * 步长
     * @type {number}
     * @memberof AppStepper
     */
    @Prop({ default: 1 }) public step!: number;

    /**
     * 最小值
     * @type {number}
     * @memberof AppStepper
     */
    @Prop({ default: 0 }) public min!: number;

    /**
     * 最大值
     * @type {number}
     * @memberof AppStepper
     */
    @Prop({ default: 100 }) public max!: number;

    /**
     * 当前值
     *
     * @memberof AppStepper
     */
    get currentVal() {
        return this.value ? this.value : 0;
    }

    /**
     * 设置当前值
     *
     * @memberof AppStepper
     */
    set currentVal(val) {
        this.$emit('change', { name: this.name, value: val });
    }

    /**
     * 失去焦点事件
     *
     * @memberof AppStepper
     */
    public blur(event: any) {
        this.$emit('blur', event);
    }

    /**
     * 聚焦事件
     *
     * @memberof AppStepper
     */
    public focus(event: any) {
        this.$emit('focus', event);
    }

}
</script>