nextcloud/apps/files_sharing/src/components/CollectionList.vue

<!--
  - @copyright Copyright (c) 2019 Julius Härtl <jus@bitgrid.net>
  -
  - @author Julius Härtl <jus@bitgrid.net>
  -
  - @license GNU AGPL version 3 or any later version
  -
  - 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>
	<ul id="shareWithList" class="shareWithList" v-if="collections">
		<li @click="showSelect">
			<div class="avatar"><span class="icon-category-integration icon-white"></span></div>
			<multiselect v-model="value" :options="options" :placeholder="placeholder" tag-placeholder="Create a new collection" ref="select" @select="select" @search-change="search" label="title" track-by="title" :reset-after="true" :limit="5">
				<template slot="singleLabel" slot-scope="props">
					<span class="option__desc">
						<span class="option__title">{{ props.option.title }}</span>
					</span>
				</template>
				<template slot="option" slot-scope="props">
					<span class="option__wrapper">
						<span v-if="props.option.class" :class="props.option.class" class="avatar"></span>
						<avatar v-else :displayName="props.option.title" :allowPlaceholder="true"></avatar>
						<span class="option__title">{{ props.option.title }}</span>
					</span>
				</template>
			</multiselect>
		</li>
		<collection-list-item v-for="collection in collections" :collection="collection" :key="collection.id" />
	</ul>
</template>

<style lang="scss" scoped>
	.multiselect {
		width: 100%;
		margin-left: 3px;
	}
	span.avatar {
		padding: 16px;
		display: block;
		background-repeat: no-repeat;
		background-position: center;
		opacity: 0.7;
		&:hover {
			opacity: 1;
		}
	}

	/** TODO provide white icon in core */
	.icon-category-integration.icon-white {
		filter: invert(100%);
		padding: 16px;
		display: block;
		background-repeat: no-repeat;
		background-position: center;
	}

	.option__wrapper {
		display: flex;
		.avatar {
			display: block;
			background-color: var(--color-background-darker) !important;
		}
		.option__title {
			padding: 4px;
		}
	}

</style>
<style lang="scss">
	/** TODO check why this doesn't work when scoped */
	.shareWithList .multiselect:not(.multiselect--active ) .multiselect__tags {
		border: none !important;
		input::placeholder {
			color: var(--color-main-text);
		}
	}
</style>

<script>
	import { Multiselect, Avatar } from 'nextcloud-vue';
	import CollectionListItem from '../components/CollectionListItem';

	const METHOD_CREATE_COLLECTION = 0;
	const METHOD_ADD_TO_COLLECTION = 1;
	export default {
		name: 'CollectionList',
		components: {
			CollectionListItem,
			Avatar,
			Multiselect: Multiselect,
		},
		props: {
			'type': {
				type: String,
				default: ''
			}
		},
		data() {
			return {
				selectIsOpen: false,
				generatingCodes: false,
				codes: undefined,
				value: null,
				model: {},
				searchCollections: []
			};
		},
		mounted() {
			this.$store.dispatch('fetchCollectionsByResource', {
				resourceType: this.type,
				resourceId: this.$root.model.id
			})
		},
		computed: {
			collections() {
				return this.$store.getters.collectionsByResource(this.type, this.$root.model.id)
			},
			placeholder() {
				return t('files_sharing', 'Add to a collection');
			},
			options() {
				let options = [];
				let types = window.OCP.Collaboration.getTypes().sort();
				for(let type in types) {
					options.push({
						method: METHOD_CREATE_COLLECTION,
						type: types[type],
						title: window.OCP.Collaboration.getLabel(types[type]),
						class: window.OCP.Collaboration.getIcon(types[type]),
						action: () => window.OCP.Collaboration.trigger(types[type])
					})
				}
				for(let index in this.searchCollections) {
					if (this.collections.findIndex((collection) => collection.id === this.searchCollections[index].id) === -1) {
						options.push({
							method: METHOD_ADD_TO_COLLECTION,
							title: this.searchCollections[index].name,
							collectionId: this.searchCollections[index].id
						})
					}
				}
				return options;
			}
		},
		methods: {
			select(selectedOption, id) {
				if (selectedOption.method === METHOD_CREATE_COLLECTION) {
					selectedOption.action().then((id) => {
						this.$store.dispatch('createCollection', {
							baseResourceType: this.type,
							baseResourceId: this.$root.model.id,
							resourceType: selectedOption.type,
							resourceId: id,
							name: this.$root.model.name,
						})
					}).catch((e) => {
						console.error('No resource selected', e);
					});
				}

				if (selectedOption.method === METHOD_ADD_TO_COLLECTION) {
					this.$store.dispatch('addResourceToCollection', {
						collectionId: selectedOption.collectionId, resourceType: this.type, resourceId: this.$root.model.id
					})
				}
			},
			search(query) {
				this.$store.dispatch('search', query).then((collections) => {
					this.searchCollections = collections
				})
			},
			showSelect() {
				this.selectIsOpen = true
				this.$refs.select.$el.focus()
			},
			hideSelect() {
				this.selectIsOpen = false
			},
			isVueComponent(object) {
				return object._isVue
			}
		}
	}
</script>