viewer: migrate to vue 3, general refactoring and cleanup

Non-exhaustive list of fixes and improvements done at the same time:

- html default background to grey (avoids white flash during init)
- unified links behavior
- added more theme variables
- removed the flex-expand transition (it wasn't working) and replaced it
  with a slide
- fixed LdLoading not centered on the content
- title on removable tags
- fixed an issue with encoded URI from vue-router
- unified Item resource URLs
- removed the iframe for PlainTextViewer (it wasn't working properly)
  and replaced it with a pre
- fixed clear and search buttons tabindex
- fixed the information panel bumping up during the fade animation of
  tag's dropdown
- fixed some focus outlines not appearing correctly
- moved CSS variables to the :root context
- Code cleaning

GitHub: closes #217
GitHub: closes #300
GitHub: closes #297
GitHub: closes #105
GitHub: closes #267
GitHub: closes #275
GitHub: closes #228
GitHub: closes #215
GitHub: closes #112

1 files changed, 0 insertions, 91 deletions

diff --git a/viewer/src/components/LdThumbnail.vue b/viewer/src/components/LdThumbnail.vue
deleted file mode 100644
index 4623b44..0000000
--- a/viewer/src/components/LdThumbnail.vue
+++ /dev/null
@@ -1,91 +0,0 @@
-<!-- ldgallery - A static generator which turns a collection of tagged
---             pictures into a searchable web gallery.
---
--- Copyright (C) 2019-2020  Guillaume FOUET
---
--- 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 :class="{ [$style.preload]: loading }">
-    <v-lazy-image
-      v-if="item.thumbnail"
-      :src="pictureSrc(item.thumbnail.resource)"
-      :style="pictureStyle"
-      :title="item.title"
-      @intersect="loading = true"
-      @load="loading = false"
-    />
-    <div v-else class="flex-column flex-center" :class="$style.thumbnailOther">
-      <div>
-        <fa-icon :icon="icon" size="4x" />
-      </div>
-      {{ item.title }}
-    </div>
-  </div>
-</template>
-
-<script lang="ts">
-import { Item } from "@/@types/gallery";
-import Navigation from "@/services/navigation";
-import { Component, Prop, Vue } from "vue-property-decorator";
-
-@Component
-export default class LdThumbnail extends Vue {
-  @Prop({ required: true }) readonly item!: Item;
-
-  loading: boolean = false;
-
-  pictureSrc(resource: string) {
-    return this.$galleryStore.resourceRoot + resource;
-  }
-
-  get pictureStyle() {
-    const resolution = this.item.thumbnail!.resolution;
-    return { width: `${resolution.width}px`, height: `${resolution.height}px` };
-  }
-
-  get icon() {
-    return Navigation.getIcon(this.item);
-  }
-}
-</script>
-
-<style lang="scss" module>
-@import "~@/assets/scss/theme.scss";
-
-.thumbnailOther {
-  width: $thumbnail-other-size;
-  height: $thumbnail-other-size;
-  padding-top: $body-line-height * 1em;
-  text-align: center;
-  word-break: break-word;
-  overflow: hidden;
-  > div {
-    min-height: $body-line-height * 3em;
-  }
-}
-
-.preload {
-  animation: preloadAnimation 1s infinite ease-in-out alternate;
-}
-@keyframes preloadAnimation {
-  from {
-    background-color: $content-bgcolor;
-  }
-  to {
-    background-color: $loader-color;
-  }
-}
-</style>