hippofish/src/client/components/ui/modal.vue
2021-02-28 02:22:53 +09:00

250 lines
6.4 KiB
Vue

<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';
}
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>