frontend/src/components/misc/modal.vue

<template>
	<!-- FIXME: transition should not be included in the modal -->
	<transition name="modal">
		<section
			v-if="enabled"
			class="modal-mask"
			:class="[
				{ 'has-overflow': overflow },
				variant,
			]"
			ref="modal"
		>
			<div
				class="modal-container"
				@click.self.prevent.stop="$emit('close')"
				v-shortcut="'Escape'"
			>
				<div
					class="modal-content"
					:class="{
						'has-overflow': overflow,
						'is-wide': wide
					}"
				>
					<BaseButton
						@click="$emit('close')"
						class="close"
					>
						<icon icon="times"/>
					</BaseButton>

					<slot>
						<div class="header">
							<slot name="header"></slot>
						</div>
						<div class="content">
							<slot name="text"></slot>
						</div>
						<div class="actions">
							<x-button
								@click="$emit('close')"
								variant="tertiary"
								class="has-text-danger"
							>
								{{ $t('misc.cancel') }}
							</x-button>
							<x-button
								@click="$emit('submit')"
								variant="primary"
								v-cy="'modalPrimary'"
								:shadow="false"
							>
								{{ $t('misc.doit') }}
							</x-button>
						</div>
					</slot>
				</div>
			</div>
		</section>
	</transition>
</template>

<script lang="ts" setup>
import BaseButton from '@/components/base/BaseButton.vue'
import {ref, watch} from 'vue'
import {useScrollLock} from '@vueuse/core'
import {useStore} from 'vuex'

const store = useStore()

const props = withDefaults(defineProps<{
	enabled?: boolean,
	overflow?: boolean,
	wide?: boolean,
	transitionName?: 'modal' | 'fade',
	variant?: 'default' | 'hint-modal' | 'scrolling',
}>(), {
	enabled: true,
	transitionName: 'modal',
	variant: 'default',
})

defineEmits(['close', 'submit'])

const modal = ref<HTMLElement | null>(null)
const scrollLock = useScrollLock(modal)

watch(
	() => props.enabled,
	enabled => {
		scrollLock.value = enabled
		store.commit('modalActive', enabled)
	},
)
</script>

<style lang="scss" scoped>
.modal-mask {
	position: fixed;
	z-index: 4000;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, .8);
	transition: opacity 150ms ease;
	color: #fff;
}

.modal-container {
	transition: all 150ms ease;
	position: relative;
	width: 100%;
	height: 100%;
	max-height: 100vh;
	overflow: auto;
}

.default .modal-content,
.hint-modal .modal-content {
	text-align: center;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);

	@media screen and (max-width: $tablet) {
		margin: 0;
		top: 25%;
		transform: translate(-50%, -25%);
	}

	.header {
		font-size: 2rem;
		font-weight: 700;
	}

	.button {
		margin: 0 0.5rem;
	}
}

// scrolling-content
// used e.g. for <TaskDetailViewModal>
.scrolling .modal-content {
	max-width: 1024px;
	width: 100%;
	margin: 4rem auto;

	max-height: none; // reset bulma
	overflow: visible; // reset bulma

	@media screen and (min-width: $tablet) {
		max-height: none; // reset bulma
		margin: 4rem auto; // reset bulma
		width: 100%;
	}

	@media screen and (max-width: $desktop) {
		margin: 0;
	}
}

.is-wide {
	max-width: $desktop;
	width: calc(100% - 2rem);
}

.hint-modal {
	z-index: 4600;

	:deep(.card-content) {
		text-align: left;

		.info {
			font-style: italic;
		}

		p {
			display: flex;
			justify-content: space-between;
			align-items: center;
		}
	}
}

.close {
	position: fixed;
	top: 5px;
	right: 26px;
	color: var(--white);
	font-size: 2rem;

	@media screen and (max-width: $desktop) {
		color: var(--grey-900);
	}
}
</style>

<style lang="scss">
// Close icon SVG uses currentColor, change the color to keep it visible
.dark .close {
	color: var(--grey-900);
}
</style>