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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | import { type ComponentPublicInstance, defineComponentHOC, Doraemon, Component, Prop, Watch } from '@doraemon-ui/miniprogram.core-js' const { classNames } = Doraemon.util export type BackdropExpose = { backdropHolds: number retain: () => void release: () => void } export interface BackdropProps { prefixCls: string transparent: boolean zIndex: number classNames: string wrapStyle: object } export type BackdropInstance = ComponentPublicInstance< Backdrop, BackdropProps, BackdropExpose > @Component({ props: { prefixCls: { type: String, default: 'dora-backdrop', }, }, expose: ['backdropHolds', 'retain', 'release'] }) class Backdrop extends Doraemon { /** * 自定义类名前缀 * * @type {string} * @memberof Backdrop */ prefixCls!: string @Prop({ type: Boolean, default: false, }) transparent: boolean @Prop({ type: Number, default: 1000, }) zIndex: number @Prop({ type: null, default: 'dora-animate--fadeIn', }) classNames: string @Prop({ type: Object, default: null, }) wrapStyle: object get classes () { const { prefixCls, transparent } = this const wrap = classNames(prefixCls, { [`${prefixCls}--transparent`]: transparent, }) return { wrap, } } /** * 组件样式 * * @readonly * @memberof Backdrop */ get extStyle () { return this.wrapStyle ? { ...this.wrapStyle, zIndex: this.zIndex } : { zIndex: this.zIndex } } /** * 是否显示蒙层 * * @type {boolean} * @memberof Backdrop */ visible: boolean = false @Watch('visible') onVisibleChange (visible: boolean) { if (visible) { this.$emit('afterShow') } else { this.$emit('afterClose') } } /** * 锁定蒙层的次数 * * @type {number} * @memberof Backdrop */ backdropHolds: number = 0 /** * 保持锁定 * * @memberof Backdrop */ retain() { this.backdropHolds = this.backdropHolds + 1 if (this.backdropHolds === 1) { this.visible = true } } /** * 释放锁定 * * @memberof Backdrop */ release() { if (this.backdropHolds === 1) { this.visible = false } this.backdropHolds = Math.max(0, this.backdropHolds - 1) } onClick () { this.$emit('click') } } export default defineComponentHOC()(Backdrop) |