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<!--
- @copyright Copyright (c) 2023 John Molakvoæ <skjnldsv@protonmail.com>
-
- @author John Molakvoæ <skjnldsv@protonmail.com>
- @author Ferdinand Thiessen <opensource@fthiessen.de>
-
- @license AGPL-3.0-or-later
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU Affero General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-->
<template>
<div v-show="dragover"
class="files-list__drag-drop-notice"
@drop="onDrop">
<div class="files-list__drag-drop-notice-wrapper">
<template v-if="canUpload && !isQuotaExceeded">
<TrayArrowDownIcon :size="48" />
<h3 class="files-list-drag-drop-notice__title">
{{ t('files', 'Drag and drop files here to upload') }}
</h3>
</template>
<!-- Not permitted to drop files here -->
<template v-else>
<h3 class="files-list-drag-drop-notice__title">
{{ cantUploadLabel }}
</h3>
</template>
</div>
</div>
</template>
<script lang="ts">
import { defineComponent } from 'vue'
import { Folder, Permission } from '@nextcloud/files'
import { showError, showSuccess } from '@nextcloud/dialogs'
import { translate as t } from '@nextcloud/l10n'
import TrayArrowDownIcon from 'vue-material-design-icons/TrayArrowDown.vue'
import logger from '../logger.js'
import { handleDrop } from '../services/DropService'
export default defineComponent({
name: 'DragAndDropNotice',
components: {
TrayArrowDownIcon,
},
props: {
currentFolder: {
type: Folder,
required: true,
},
},
data() {
return {
dragover: false,
}
},
computed: {
/**
* Check if the current folder has create permissions
*/
canUpload() {
return this.currentFolder && (this.currentFolder.permissions & Permission.CREATE) !== 0
},
isQuotaExceeded() {
return this.currentFolder?.attributes?.['quota-available-bytes'] === 0
},
cantUploadLabel() {
if (this.isQuotaExceeded) {
return this.t('files', 'Your have used your space quota and cannot upload files anymore')
} else if (!this.canUpload) {
return this.t('files', 'You don’t have permission to upload or create files here')
}
return null
},
},
mounted() {
// Add events on parent to cover both the table and DragAndDrop notice
const mainContent = window.document.querySelector('main.app-content') as HTMLElement
mainContent.addEventListener('dragover', this.onDragOver)
mainContent.addEventListener('dragleave', this.onDragLeave)
mainContent.addEventListener('drop', this.onContentDrop)
},
beforeDestroy() {
const mainContent = window.document.querySelector('main.app-content') as HTMLElement
mainContent.removeEventListener('dragover', this.onDragOver)
mainContent.removeEventListener('dragleave', this.onDragLeave)
mainContent.removeEventListener('drop', this.onContentDrop)
},
methods: {
onDragOver(event: DragEvent) {
// Needed to keep the drag/drop events chain working
event.preventDefault()
const isForeignFile = event.dataTransfer?.types.includes('Files')
if (isForeignFile) {
// Only handle uploading of outside files (not Nextcloud files)
this.dragover = true
}
},
onDragLeave(event: DragEvent) {
// Counter bubbling, make sure we're ending the drag
// only when we're leaving the current element
// Avoid flickering
const currentTarget = event.currentTarget as HTMLElement
if (currentTarget?.contains(event.relatedTarget as HTMLElement)) {
return
}
if (this.dragover) {
this.dragover = false
}
},
onContentDrop(event: DragEvent) {
logger.debug('Drag and drop cancelled, dropped on empty space', { event })
event.preventDefault()
if (this.dragover) {
this.dragover = false
}
},
onDrop(event: DragEvent) {
logger.debug('Dropped on DragAndDropNotice', { event, error: this.cantUploadLabel })
if (!this.canUpload || this.isQuotaExceeded) {
showError(this.cantUploadLabel)
return
}
if (this.$el.querySelector('tbody')?.contains(event.target as Node)) {
return
}
event.preventDefault()
event.stopPropagation()
if (event.dataTransfer && event.dataTransfer.items.length > 0) {
// Start upload
logger.debug(`Uploading files to ${this.currentFolder.path}`)
// Process finished uploads
handleDrop(event.dataTransfer).then((uploads) => {
logger.debug('Upload terminated', { uploads })
showSuccess(t('files', 'Upload successful'))
// Scroll to last upload in current directory if terminated
const lastUpload = uploads.findLast((upload) => !upload.file.webkitRelativePath.includes('/') && upload.response?.headers?.['oc-fileid'])
if (lastUpload !== undefined) {
this.$router.push({
...this.$route,
params: {
view: this.$route.params?.view ?? 'files',
// Remove instanceid from header response
fileid: parseInt(lastUpload.response!.headers['oc-fileid']),
},
})
}
})
}
this.dragover = false
},
t,
},
})
</script>
<style lang="scss" scoped>
.files-list__drag-drop-notice {
display: flex;
align-items: center;
justify-content: center;
width: 100%;
// Breadcrumbs height + row thead height
min-height: calc(58px + 55px);
margin: 0;
user-select: none;
color: var(--color-text-maxcontrast);
background-color: var(--color-main-background);
border-color: black;
h3 {
margin-left: 16px;
color: inherit;
}
&-wrapper {
display: flex;
align-items: center;
justify-content: center;
height: 15vh;
max-height: 70%;
padding: 0 5vw;
border: 2px var(--color-border-dark) dashed;
border-radius: var(--border-radius-large);
}
}
</style>
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