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<!-- ldgallery - A static generator which turns a collection of tagged
-- pictures into a searchable web gallery.
--
-- Copyright (C) 2019-2020 Guillaume FOUET
-- 2020 Pacien TRAN-GIRARD
--
-- 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 <https://www.gnu.org/licenses/>.
-->
<template>
<div>
<div v-for="proposed in proposedTags" :key="proposed.rawTag" class="proposition">
<a
class="operation-btns link"
:title="$t('tag-propositions.substraction')"
@click="add(Operation.SUBSTRACTION, proposed.rawTag)"
>
<fa-icon icon="minus" alt="[-]" />
</a>
<a
class="operation-btns link"
:title="$t('tag-propositions.addition')"
@click="add(Operation.ADDITION, proposed.rawTag)"
>
<fa-icon icon="plus" alt="[+]" />
</a>
<a
class="operation-tag link"
:title="$t('tag-propositions.intersection')"
@click="add(Operation.INTERSECTION, proposed.rawTag)"
>{{proposed.rawTag}}</a>
<div class="disabled" :title="$t('tag-propositions.item-count')">{{proposed.count}}</div>
</div>
</div>
</template>
<script lang="ts">
import { Component, Vue, Prop, PropSync } from "vue-property-decorator";
import { Operation } from "@/@types/Operation";
@Component
export default class LdProposition extends Vue {
@Prop({ type: Array, required: true }) readonly currentTags!: string[];
@Prop({ required: true }) readonly tagsIndex!: Tag.Index;
@PropSync("searchFilters", { type: Array, required: true }) model!: Tag.Search[];
get Operation() {
return Operation;
}
get proposedTags() {
let propositions: { [index: string]: number } = {};
if (this.model.length > 0) {
// Tags count from current search
this.extractDistinctItems(this.model)
.flatMap(item => item.tags)
.map(this.rightmost)
.filter(rawTag => !this.model.find(search => search.tag === rawTag))
.forEach(rawTag => (propositions[rawTag] = (propositions[rawTag] ?? 0) + 1));
} else {
// Tags count from the current directory
this.currentTags
.flatMap(tag => tag.split(":"))
.map(tag => this.tagsIndex[tag])
.forEach(tagindex => (propositions[tagindex.tag] = tagindex.items.length));
}
return Object.entries(propositions)
.sort((a, b) => b[1] - a[1])
.map(entry => ({ rawTag: entry[0], count: entry[1] }));
}
extractDistinctItems(currentTags: Tag.Search[]): Gallery.Item[] {
return [...new Set(currentTags.flatMap(tag => tag.items))];
}
rightmost(tag: Gallery.RawTag): Gallery.RawTag {
const dot = tag.lastIndexOf(":");
return dot <= 0 ? tag : tag.substr(dot + 1);
}
add(operation: Operation, rawTag: Gallery.RawTag) {
const node = this.tagsIndex[rawTag];
const search: Tag.Search = { ...node, operation, display: `${operation}${node.tag}` };
this.model.push(search);
}
}
</script>
<style lang="scss">
@import "@/assets/scss/theme.scss";
.proposition {
display: flex;
align-items: center;
padding-right: 7px;
.operation-tag {
text-overflow: ellipsis;
white-space: nowrap;
overflow: hidden;
flex-grow: 1;
cursor: pointer;
}
.operation-btns {
padding: 2px 7px;
cursor: pointer;
}
}
</style>
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