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528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 | 1x 14x 14x 14x 14x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 3x 3x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import { defineComponentHOC, Doraemon, Component, Watch, Prop } from '@doraemon-ui/miniprogram.core-js' const { styleToCssString } = Doraemon.util /**I * 动画状态的类型E * * @enum {number} */ enum AnimateStatus { /** 进场动画的开始状态 */ ENTER = 'enter', /** 进场动画的结束状态 */ ENTERING = 'entering', /** 进场动画的完成状态 */ ENTERED = 'entered', /** 离场动画的开始状态 */ EXIT = 'exit', /** 离场动画的结束状态 */ EXITING = 'exiting', /** 离场动画的完成状态 */ EXITED = 'exited', /** 组件已卸载 */ UNMOUNTED = 'unmounted', } /** * 动画的类型 * * @enum {number} */ enum AnimateType { /** 过渡效果 */ TRANSITION = 'transition', /** 动画效果 */ ANIMATION = 'animation', } /** * 自定义动画类名的类型 */ type ClassNames = string | { /** 进场动画的开始状态,在动画完成之后移除 */ enter?: string /** 进场动画的结束状态,在动画完成之后移除 */ enterActive?: string /** 进场动画的完成状态 */ enterDone?: string /** 离场动画的开始状态,在动画完成之后移除 */ exit?: string /** 离场动画的结束状态,在动画完成之后移除 */ exitActive?: string /** 离场动画的完成状态 */ exitDone?: string } /** * 动画持续时间的类型 */ type Duration = number | { enter?: number exit?: number } /** * 下一阶段动画的类型 */ type NextAnimate = { /** 动画的状态 */ animateStatus?: AnimateStatus /** 动画的类名 */ animateCss?: string } /** * 默认动画类名 */ const defaultClassNames: ClassNames = { enter: '', enterActive: '', enterDone: '', exit: '', exitActive: '', exitDone: '', } function delayHandler (timeout = 1000 / 60) { return new Promise((resolve) => { setTimeout(resolve, timeout) }) } @Component({}) class AnimationGroup extends Doraemon { /** * 触发组件进入或离场动画的状态 * * @type {boolean} * @memberof AnimationGroup */ @Prop({ type: Boolean, default: false, }) in: boolean /** * 过渡的类名 * * @type {ClassNames} * @memberof AnimationGroup */ @Prop({ type: null, default: defaultClassNames, }) classNames: ClassNames /** * 动画持续时间 * * @type {Duration} * @memberof AnimationGroup */ @Prop({ type: null, default: null, }) duration: Duration /** * 动画的类型 * * @type {AnimateType} * @memberof AnimationGroup */ @Prop({ type: String, default: AnimateType.TRANSITION, }) type: AnimateType /** * 首次挂载时是否触发进场动画 * * @type {boolean} * @memberof AnimationGroup */ @Prop({ type: Boolean, default: false, }) appear: boolean /** * 是否启用进场动画 * * @type {boolean} * @memberof AnimationGroup */ @Prop({ type: Boolean, default: true, }) enter: boolean /** * 是否启用离场动画 * * @type {boolean} * @memberof AnimationGroup */ @Prop({ type: Boolean, default: true, }) exit: boolean /** * 首次进场动画时是否懒挂载组件 * * @type {boolean} * @memberof AnimationGroup */ @Prop({ type: Boolean, default: true, }) mountOnEnter: boolean /** * 离场动画完成时是否卸载组件 * * @type {boolean} * @memberof AnimationGroup */ @Prop({ type: Boolean, default: true, }) unmountOnExit: boolean /** * 自定义类名 * * @type {string} * @memberof AnimationGroup */ @Prop({ type: String, default: '', }) wrapCls: string /** * 自定义样式 * * @type {object} * @memberof AnimationGroup */ @Prop({ type: Object, default: null, }) wrapStyle: object /** * 阻止移动触摸 * * @type {boolean} * @memberof AnimationGroup */ @Prop({ type: Boolean, default: false, }) disableScroll: boolean /** * 当前生效动画类 * * @type {string} * @memberof AnimationGroup */ animateCss: string = '' /** * 当前生效动画状态 * * @type {AnimateStatus} * @memberof AnimationGroup */ animateStatus: AnimateStatus = AnimateStatus.EXITED /** * 组件是否首次挂载 * * @type {boolean} * @memberof AnimationGroup */ isAppearing: boolean = false /** * 更新组件状态 * * @param {AnimateStatus} nextStatus 下一状态,ENTERING 或 EXITING * @param {boolean} [mounting=false] 是否首次挂载 * @memberof AnimationGroup */ updateStatus (nextStatus: AnimateStatus, mounting: boolean = false) { if (nextStatus !== null) { this.isAppearing = mounting if (nextStatus === AnimateStatus.ENTERING) { this.performEnter() } else { this.performExit() } } } /** * 获取指定状态下的类名 * * @param {(AnimateStatus.ENTER | AnimateStatus.EXIT)} scene 动画场景,enter 或 exit * @returns * @memberof AnimationGroup */ getClassNames (scene: AnimateStatus.ENTER | AnimateStatus.EXIT): { className: string, activeClassName: string, doneClassName: string } { const classNames = this.classNames const isString = typeof classNames !== 'string' const className = isString ? classNames[scene] : `${classNames}-${scene}` const activeClassName = isString ? classNames[`${scene}Active`] : `${classNames}-${scene}-active` const doneClassName = isString ? classNames[`${scene}Done`] : `${classNames}-${scene}-done` return { className, activeClassName, doneClassName, } } /** * 获取动画持续时间 * * @returns {{ enter?: number, exit?: number }} * @memberof AnimationGroup */ getTimeouts (): { enter?: number, exit?: number } { const { duration } = this if (duration !== null && typeof duration === 'object') { return { enter: duration.enter, exit: duration.exit, } } else if (typeof duration === 'number') { return { enter: duration, exit: duration, } } return {} } /** * 设置下一阶段动画 * * @param {NextAnimate} nextAnimate 下一阶段动画 * @param {Function} callback 回调函数 * @memberof AnimationGroup */ setNextAnimate (nextAnimate: NextAnimate, callback: Function) { if (nextAnimate.animateStatus) { this.animateStatus = nextAnimate.animateStatus } if (nextAnimate.animateCss) { this.animateCss = nextAnimate.animateCss } this.$nextTick(() => { callback.call(this) }) } /** * 进场动画开始 * * @returns * @memberof AnimationGroup */ performEnter () { const { className, activeClassName } = this.getClassNames(AnimateStatus.ENTER) const { enter } = this.getTimeouts() const enterParams: NextAnimate = { animateStatus: AnimateStatus.ENTER, animateCss: className, } const enteringParams: NextAnimate = { animateStatus: AnimateStatus.ENTERING, animateCss: `${className} ${activeClassName}`, } // 若已禁用进场动画,则更新状态至 ENTERED if (!this.isAppearing && !this.enter) { return this.performEntered() } // 第一阶段:设置进场动画的开始状态,并触发 ENTER 事件 // 第二阶段:延迟一帧后,设置进场动画的结束状态,并触发 ENTERING 事件 // 第三阶段:若已设置过渡的持续时间,则延迟指定时间后触发进场动画完成 performEntered,否则等待触发 onTransitionEnd 或 onAnimationEnd this.setNextAnimate(enterParams, async () => { this.$emit('change', { animateStatus: AnimateStatus.ENTER }) this.$emit(AnimateStatus.ENTER, { isAppearing: this.isAppearing }) await delayHandler() this.setNextAnimate(enteringParams, () => { this.$emit('change', { animateStatus: AnimateStatus.ENTERING }) this.$emit(AnimateStatus.ENTERING, { isAppearing: this.isAppearing }) if (enter) { setTimeout(() => { this.performEntered() }, enter) } }) }) } /** * 进场动画完成 * * @memberof AnimationGroup */ performEntered () { const { doneClassName } = this.getClassNames(AnimateStatus.ENTER) const enteredParams: NextAnimate = { animateStatus: AnimateStatus.ENTERED, animateCss: doneClassName, } // 第三阶段:设置进场动画的完成状态,并触发 ENTERED 事件 this.setNextAnimate(enteredParams, () => { this.$emit('change', { animateStatus: AnimateStatus.ENTERED }) this.$emit(AnimateStatus.ENTERED, { isAppearing: this.isAppearing }) }) } /** * 离场动画开始 * * @returns * @memberof AnimationGroup */ performExit () { const { className, activeClassName } = this.getClassNames(AnimateStatus.EXIT) const { exit } = this.getTimeouts() const exitParams: NextAnimate = { animateStatus: AnimateStatus.EXIT, animateCss: className, } const exitingParams: NextAnimate = { animateStatus: AnimateStatus.EXITING, animateCss: `${className} ${activeClassName}`, } // 若已禁用离场动画,则更新状态至 EXITED if (!this.exit) { return this.performExited() } // 第一阶段:设置离场动画的开始状态,并触发 EXIT 事件 // 第二阶段:延迟一帧后,设置离场动画的结束状态,并触发 EXITING 事件 // 第三阶段:若已设置过渡的持续时间,则延迟指定时间后触发离场动画完成 performExited,否则等待触发 onTransitionEnd 或 onAnimationEnd this.setNextAnimate(exitParams, async () => { this.$emit('change', { animateStatus: AnimateStatus.EXIT }) this.$emit(AnimateStatus.EXIT) await delayHandler() this.setNextAnimate(exitingParams, () => { this.$emit('change', { animateStatus: AnimateStatus.EXITING }) this.$emit(AnimateStatus.EXITING) if (exit) { setTimeout(() => { this.performExited() }, exit) } }) }) } /** * 离场动画完成 * * @memberof AnimationGroup */ performExited () { const { doneClassName } = this.getClassNames(AnimateStatus.EXIT) const exitedParams: NextAnimate = { animateStatus: AnimateStatus.EXITED, animateCss: doneClassName, } // 第三阶段:设置离场动画的完成状态,并触发 EXITED 事件 this.setNextAnimate(exitedParams, () => { this.$emit('change', { animateStatus: AnimateStatus.EXITED }) this.$emit(AnimateStatus.EXITED) //I 判断离场动画完成时是否卸载组件 if (this.unmountOnExit) { this.setNextAnimate({ animateStatus: AnimateStatus.UNMOUNTED }, () => { this.$emit('change', { animateStatus: AnimateStatus.UNMOUNTED }) }) } }) } /** * 点击事件 * * @memberof AnimationGroup */E onClick () { this.$emit('click') } /** * 阻止移动触摸 * * @memberof AnimationGroup */ onTouchMove () { /** Ignore */ } /** * 监听过渡或动画的回调函数 * * @memberof AnimationGroup */ addEventListener () { const { animateStatus } = this const { enter, exit } = this.getTimeouts() if (animateStatus === AnimateStatus.ENTERING && !enter && this.enter) { this.performEntered() } if (animateStatus === AnimateStatus.EXITING && !exit && this.exit) { this.performExited() } } /** * 会在 WXSS transition 或 wx.createAnimation 动画结束后触发 * * @memberof AnimationGroup */ onTransitionEnd () { if (this.type === AnimateType.TRANSITION) { this.addEventListener() } } /** * 会在一个 WXSS animation 动画完成时触发 * * @memberof AnimationGroup */ onAnimationEnd () { if (this.type === AnimateType.ANIMATION) { this.addEventListener() } } /** * 属性值 in 被更改时的响应函数 * * @param {boolean} newVal 触发组件进入或离场动画的状态 * @memberof AnimationGroup */ @Watch('in') updated (newVal: boolean) { let { animateStatus } = this let nextStatus = null if (newVal) { if (animateStatus === AnimateStatus.UNMOUNTED) { animateStatus = AnimateStatus.EXITED this.setNextAnimate({ animateStatus: AnimateStatus.EXITED }, () => { this.$emit('change', { animateStatus: AnimateStatus.EXITED }) }) } if ( animateStatus !== AnimateStatus.ENTER && animateStatus !== AnimateStatus.ENTERING && animateStatus !== AnimateStatus.ENTERED ) { nextStatus = AnimateStatus.ENTERING } } else { if ( animateStatus === AnimateStatus.ENTER || animateStatus === AnimateStatus.ENTERING || animateStatus === AnimateStatus.ENTERED ) { nextStatus = AnimateStatus.EXITING } } this.updateStatus(nextStatus) } /** * 组件样式 * * @readonly * @memberof AnimationGroup */ get extStyle () { return this.wrapStyle ? styleToCssString(this.wrapStyle) : '' } /** * 组件是否显示 * * @readonly * @memberof AnimationGroup */ get show () { return this._isMounted ? this.animateStatus !== AnimateStatus.UNMOUNTED : false } /** * 组件挂载完成生命周期 * * @memberof AnimationGroup */ mounted () { const props = this let animateStatus: AnimateStatus = null let appearStatus: AnimateStatus = null if (props.in) { if (props.appear) { animateStatus = AnimateStatus.EXITED appearStatus = AnimateStatus.ENTERING } else { animateStatus = AnimateStatus.ENTERED } } else { if (props.unmountOnExit || props.mountOnEnter) { animateStatus = AnimateStatus.UNMOUNTED } else { animateStatus = AnimateStatus.EXITED } } this.animateStatus = animateStatus this.$nextTick(() => { this.$emit('change', { animateStatus }) this.updateStatus(appearStatus, true) }) } } export default defineComponentHOC()(AnimationGroup) |