<template> <div class="mk-modal" v-hotkey.global="keymap" :style="{ pointerEvents: (manualShowing != null ? manualShowing : showing) ? 'auto' : 'none', '--transformOrigin': transformOrigin }"> <transition :name="$store.state.animation ? 'modal-bg' : ''" appear> <div class="bg _modalBg" v-if="manualShowing != null ? manualShowing : showing" @click="onBgClick"></div> </transition> <div class="content" :class="{ popup, fixed, top: position === 'top' }" @click.self="onBgClick" ref="content"> <transition :name="$store.state.animation ? popup ? 'modal-popup-content' : 'modal-content' : ''" appear @after-leave="$emit('closed')" @enter="$emit('opening')" @after-enter="childRendered"> <div v-show="manualShowing != null ? manualShowing : showing"> <slot></slot> </div> </transition> </div> </div> </template> <script lang="ts"> import { defineComponent } from 'vue'; function getFixedContainer(el: Element | null): Element | null { if (el == null || el.tagName === 'BODY') return null; const position = window.getComputedStyle(el).getPropertyValue('position'); if (position === 'fixed') { return el; } else { return getFixedContainer(el.parentElement); } } export default defineComponent({ provide: { modal: true }, props: { manualShowing: { type: Boolean, required: false, default: null, }, srcCenter: { type: Boolean, required: false }, src: { required: false, }, position: { required: false } }, emits: ['opening', 'click', 'esc', 'close', 'closed'], data() { return { showing: true, fixed: false, transformOrigin: 'center', contentClicking: false, }; }, computed: { keymap(): any { return { 'esc': () => this.$emit('esc'), }; }, popup(): boolean { return this.src != null; } }, mounted() { this.$watch('src', () => { this.fixed = getFixedContainer(this.src) != null; this.$nextTick(() => { this.align(); }); }, { immediate: true }); this.$nextTick(() => { const popover = this.$refs.content as any; new ResizeObserver((entries, observer) => { this.align(); }).observe(popover); }); }, methods: { align() { if (!this.popup) return; const popover = this.$refs.content as any; const rect = this.src.getBoundingClientRect(); const width = popover.offsetWidth; const height = popover.offsetHeight; let left; let top; if (this.srcCenter) { const x = rect.left + (this.fixed ? 0 : window.pageXOffset) + (this.src.offsetWidth / 2); const y = rect.top + (this.fixed ? 0 : window.pageYOffset) + (this.src.offsetHeight / 2); left = (x - (width / 2)); top = (y - (height / 2)); } else { const x = rect.left + (this.fixed ? 0 : window.pageXOffset) + (this.src.offsetWidth / 2); const y = rect.top + (this.fixed ? 0 : window.pageYOffset) + this.src.offsetHeight; left = (x - (width / 2)); top = y; } if (this.fixed) { if (left + width > window.innerWidth) { left = window.innerWidth - width; } if (top + height > window.innerHeight) { top = window.innerHeight - height; } } else { if (left + width - window.pageXOffset > window.innerWidth) { left = window.innerWidth - width + window.pageXOffset - 1; } if (top + height - window.pageYOffset > window.innerHeight) { top = window.innerHeight - height + window.pageYOffset - 1; } } if (top < 0) { top = 0; } if (left < 0) { left = 0; } if (top > rect.top + (this.fixed ? 0 : window.pageYOffset)) { this.transformOrigin = 'center top'; } else { this.transformOrigin = 'center'; } popover.style.left = left + 'px'; popover.style.top = top + 'px'; }, childRendered() { // モーダルコンテンツにマウスボタンが押され、コンテンツ外でマウスボタンが離されたときにモーダルバックグラウンドクリックと判定させないためにマウスイベントを監視しフラグ管理する const content = this.$refs.content.children[0]; content.addEventListener('mousedown', e => { this.contentClicking = true; window.addEventListener('mouseup', e => { // click イベントより先に mouseup イベントが発生するかもしれないのでちょっと待つ setTimeout(() => { this.contentClicking = false; }, 100); }, { passive: true, once: true }); }, { passive: true }); }, close() { this.showing = false; this.$emit('close'); }, onBgClick() { if (this.contentClicking) return; this.$emit('click'); } } }); </script> <style> .modal-popup-content-enter-active, .modal-popup-content-leave-active, .modal-content-enter-from, .modal-content-leave-to { transform-origin: var(--transformOrigin); } </style> <style lang="scss" scoped> .modal-bg-enter-active, .modal-bg-leave-active { transition: opacity 0.3s !important; } .modal-bg-enter-from, .modal-bg-leave-to { opacity: 0; } .modal-content-enter-active, .modal-content-leave-active { transition: opacity 0.3s, transform 0.3s !important; } .modal-content-enter-from, .modal-content-leave-to { pointer-events: none; opacity: 0; transform: scale(0.9); } .modal-popup-content-enter-active, .modal-popup-content-leave-active { transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) !important; } .modal-popup-content-enter-from, .modal-popup-content-leave-to { pointer-events: none; opacity: 0; transform: scale(0.9); } .mk-modal { > .bg { z-index: 10000; } > .content:not(.popup) { position: fixed; z-index: 10000; top: 0; bottom: 0; left: 0; right: 0; margin: auto; padding: 32px; // TODO: mask-imageはiOSだとやたら重い。なんとかしたい -webkit-mask-image: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 32px, rgba(0,0,0,1) calc(100% - 32px), rgba(0,0,0,0) 100%); mask-image: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 32px, rgba(0,0,0,1) calc(100% - 32px), rgba(0,0,0,0) 100%); overflow: auto; display: flex; @media (max-width: 500px) { padding: 16px; -webkit-mask-image: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 16px, rgba(0,0,0,1) calc(100% - 16px), rgba(0,0,0,0) 100%); mask-image: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 16px, rgba(0,0,0,1) calc(100% - 16px), rgba(0,0,0,0) 100%); } > * { margin: auto; } &.top { > * { margin-top: 0; } } } > .content.popup { position: absolute; z-index: 10000; &.fixed { position: fixed; } } } </style>