misskey/src/web/app/desktop/views/components/drive-file.vue

<template>
<div class="mk-drive-file"
	:data-is-selected="isSelected"
	:data-is-contextmenu-showing="isContextmenuShowing"
	@click="onClick"
	@contextmenu.prevent.stop="onContextmenu"
	draggable="true"
	@dragstart="onDragstart"
	@dragend="onDragend"
	:title="title"
>
	<div class="label" v-if="I.avatar_id == file.id"><img src="/assets/label.svg"/>
		<p>%i18n:desktop.tags.mk-drive-browser-file.avatar%</p>
	</div>
	<div class="label" v-if="I.banner_id == file.id"><img src="/assets/label.svg"/>
		<p>%i18n:desktop.tags.mk-drive-browser-file.banner%</p>
	</div>
	<div class="thumbnail" ref="thumbnail" style="background-color:{ file.properties.average_color ? 'rgb(' + file.properties.average_color.join(',') + ')' : 'transparent' }">
		<img src={ file.url + '?thumbnail&size=128' } alt="" @load="onThumbnailLoaded"/>
	</div>
	<p class="name">
		<span>{ file.name.lastIndexOf('.') != -1 ? file.name.substr(0, file.name.lastIndexOf('.')) : file.name }</span>
		<span class="ext" v-if="file.name.lastIndexOf('.') != -1">{ file.name.substr(file.name.lastIndexOf('.')) }</span>
	</p>
</div>
</template>

<script lang="ts">
import Vue from 'vue';
import * as anime from 'animejs';
import bytesToSize from '../../../common/scripts/bytes-to-size';

export default Vue.extend({
	props: ['file', 'browser'],
	data() {
		return {
			isContextmenuShowing: false,
			isDragging: false
		};
	},
	computed: {
		isSelected(): boolean {
			return this.browser.selectedFiles.some(f => f.id == this.file.id);
		},
		title(): string {
			return `${this.file.name}\n${this.file.type} ${bytesToSize(this.file.datasize)}`;
		}
	},
	methods: {
		onClick() {
			this.browser.chooseFile(this.file);
		},

		onContextmenu(e) {
			this.isContextmenuShowing = true;
			const ctx = new MkDriveFileContextmenu({
				parent: this,
				propsData: {
					browser: this.browser,
					x: e.pageX - window.pageXOffset,
					y: e.pageY - window.pageYOffset
				}
			}).$mount();
			ctx.$once('closed', () => {
				this.isContextmenuShowing = false;
			});
			document.body.appendChild(ctx.$el);
		},

		onDragstart(e) {
			e.dataTransfer.effectAllowed = 'move';
			e.dataTransfer.setData('text', JSON.stringify({
				type: 'file',
				id: this.file.id,
				file: this.file
			}));
			this.isDragging = true;

			// 親ブラウザに対して、ドラッグが開始されたフラグを立てる
			// (=あなたの子供が、ドラッグを開始しましたよ)
			this.browser.isDragSource = true;
		},

		onDragend(e) {
			this.isDragging = false;
			this.browser.isDragSource = false;
		},

		onThumbnailLoaded() {
			if (this.file.properties.average_color) {
				anime({
					targets: this.$refs.thumbnail,
					backgroundColor: `rgba(${this.file.properties.average_color.join(',')}, 0)`,
					duration: 100,
					easing: 'linear'
				});
			}
		}
	}
});
</script>

<style lang="stylus" scoped>
.mk-drive-file
	padding 8px 0 0 0
	height 180px
	border-radius 4px

	&, *
		cursor pointer

	&:hover
		background rgba(0, 0, 0, 0.05)

		> .label
			&:before
			&:after
				background #0b65a5

	&:active
		background rgba(0, 0, 0, 0.1)

		> .label
			&:before
			&:after
				background #0b588c

	&[data-is-selected]
		background $theme-color

		&:hover
			background lighten($theme-color, 10%)

		&:active
			background darken($theme-color, 10%)

		> .label
			&:before
			&:after
				display none

		> .name
			color $theme-color-foreground

	&[data-is-contextmenu-showing]
		&:after
			content ""
			pointer-events none
			position absolute
			top -4px
			right -4px
			bottom -4px
			left -4px
			border 2px dashed rgba($theme-color, 0.3)
			border-radius 4px

	> .label
		position absolute
		top 0
		left 0
		pointer-events none

		&:before
			content ""
			display block
			position absolute
			z-index 1
			top 0
			left 57px
			width 28px
			height 8px
			background #0c7ac9

		&:after
			content ""
			display block
			position absolute
			z-index 1
			top 57px
			left 0
			width 8px
			height 28px
			background #0c7ac9

		> img
			position absolute
			z-index 2
			top 0
			left 0

		> p
			position absolute
			z-index 3
			top 19px
			left -28px
			width 120px
			margin 0
			text-align center
			line-height 28px
			color #fff
			transform rotate(-45deg)

	> .thumbnail
		width 128px
		height 128px
		margin auto

		> img
			display block
			position absolute
			top 0
			left 0
			right 0
			bottom 0
			margin auto
			max-width 128px
			max-height 128px
			pointer-events none

	> .name
		display block
		margin 4px 0 0 0
		font-size 0.8em
		text-align center
		word-break break-all
		color #444
		overflow hidden

		> .ext
			opacity 0.5

</style>