10 files changed, 117 insertions, 35 deletions

diff --git a/viewer/src/@types/gallery.d.ts b/viewer/src/@types/gallery.d.ts
index 4fa544f..de1c0dd 100644
--- a/viewer/src/@types/gallery.d.ts
+++ b/viewer/src/@types/gallery.d.ts
@@ -23,7 +23,8 @@ declare namespace Gallery {
     }
 
     interface GalleryProperties {
-        galleryTitle: string
+        galleryTitle: string,
+        tagCategories: RawTag[]
     }
     interface Index {
         properties: GalleryProperties,
diff --git a/viewer/src/@types/tag.d.ts b/viewer/src/@types/tag.d.ts
index a390c80..229c418 100644
--- a/viewer/src/@types/tag.d.ts
+++ b/viewer/src/@types/tag.d.ts
@@ -21,6 +21,7 @@ declare namespace Tag {
     interface Node {
         tag: Gallery.RawTag;
         tagfiltered: Gallery.RawTag;
+        rootPart: boolean;
         items: Gallery.Item[];
         children: Index;
     }
@@ -31,4 +32,9 @@ declare namespace Tag {
     }
     type SearchByOperation = { [index: string]: Tag.Search[] };
     type Index = { [index: string]: Node };
+
+    interface Category {
+        tag: string;
+        index: Index;
+    }
 }
diff --git a/viewer/src/assets/scss/global.scss b/viewer/src/assets/scss/global.scss
index bd7a7e7..9e61b8b 100644
--- a/viewer/src/assets/scss/global.scss
+++ b/viewer/src/assets/scss/global.scss
@@ -85,8 +85,8 @@ button svg + span {
   overflow: auto;
 }
 .scrollbar::-webkit-scrollbar {
-  width: 10px;
-  height: 10px;
+  width: $scrollbar-width;
+  height: $scrollbar-width;
 }
 .scrollbar::-webkit-scrollbar-corner {
   background-color: transparent;
diff --git a/viewer/src/assets/scss/theme.scss b/viewer/src/assets/scss/theme.scss
index 26cb355..feb8543 100644
--- a/viewer/src/assets/scss/theme.scss
+++ b/viewer/src/assets/scss/theme.scss
@@ -42,6 +42,8 @@ $radius: 0;
 $loading-background: $palette-800;
 $title-color: $palette-200;
 $title-size: $size-5;
+$subtitle-color: $palette-200;
+$subtitle-size: $size-5;
 $tag-background-color: $palette-800;
 $button-color: $palette-100;
 $button-active-color: $palette-100;
@@ -61,11 +63,13 @@ $panel-left-txtcolor: $primary;
 $command-buttons-bgcolor: $palette-700;
 $content-bgcolor: $palette-900;
 $scrollbar-color: $palette-300;
+$scrollbar-width: 10px;
 $loader-color: $palette-800;
 $input-tag-delete-background-color: $palette-700;
 $breadcrumb-margins: 12px;
 $breadcrumb-overflow-mask-size: $breadcrumb-margins + 60px;
 $thumbnail-other-size: 120px;
+$proposed-category-bgcolor: $palette-700;
 
 // Layout
 
diff --git a/viewer/src/components/LdProposition.vue b/viewer/src/components/LdProposition.vue
index 3357777..c69a7c3 100644
--- a/viewer/src/components/LdProposition.vue
+++ b/viewer/src/components/LdProposition.vue
@@ -19,8 +19,9 @@
 -->
 
 <template>
-  <div>
-    <div v-for="proposed in proposedTags" :key="proposed.rawTag" class="proposition">
+  <div class="proposition">
+    <h2 v-if="showCategory && proposedTags.length" class="subtitle category">{{title}}</h2>
+    <div v-for="proposed in proposedTags" :key="proposed.rawTag">
       <a
         class="operation-btns link"
         :title="$t('tag-propositions.substraction')"
@@ -54,6 +55,8 @@ import { Operation } from "@/@types/Operation";
 
 @Component
 export default class LdProposition extends Vue {
+  @Prop() readonly category?: Tag.Node;
+  @Prop({ type: Boolean, required: true }) readonly showCategory!: boolean;
   @Prop({ type: Array, required: true }) readonly currentTags!: string[];
   @Prop({ required: true }) readonly tagsIndex!: Tag.Index;
   @PropSync("searchFilters", { type: Array, required: true }) model!: Tag.Search[];
@@ -69,13 +72,14 @@ export default class LdProposition extends Vue {
       this.extractDistinctItems(this.model)
         .flatMap(item => item.tags)
         .map(this.rightmost)
-        .filter(rawTag => !this.model.find(search => search.tag === rawTag))
+        .filter(rawTag => this.tagsIndex[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])
+        .filter(Boolean)
         .forEach(tagindex => (propositions[tagindex.tag] = tagindex.items.length));
     }
 
@@ -84,6 +88,10 @@ export default class LdProposition extends Vue {
       .map(entry => ({ rawTag: entry[0], count: entry[1] }));
   }
 
+  get title() {
+    return this.category?.tag ?? this.$t("panelLeft.propositions.other");
+  }
+
   extractDistinctItems(currentTags: Tag.Search[]): Gallery.Item[] {
     return [...new Set(currentTags.flatMap(tag => tag.items))];
   }
@@ -95,8 +103,8 @@ export default class LdProposition extends Vue {
 
   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);
+    const display = this.category ? `${operation}${this.category.tag}:${node.tag}` : `${operation}${node.tag}`;
+    this.model.push({ ...node, parent: this.category, operation, display });
   }
 }
 </script>
@@ -105,19 +113,29 @@ export default class LdProposition extends Vue {
 @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;
+  .subtitle {
+    background-color: $proposed-category-bgcolor;
+    width: 100%;
+    padding: 0 0 6px 0;
+    margin: 0;
+    text-align: center;
+    font-variant: small-caps;
   }
-  .operation-btns {
-    padding: 2px 7px;
-    cursor: pointer;
+  > div {
+    display: flex;
+    align-items: center;
+    padding-right: 7px;
+    .operation-tag {
+      text-overflow: ellipsis;
+      white-space: nowrap;
+      overflow: hidden;
+      flex-grow: 1;
+      cursor: pointer;
+    }
+    .operation-btns {
+      padding: 2px 7px;
+      cursor: pointer;
+    }
   }
 }
 </style>
diff --git a/viewer/src/components/LdTagInput.vue b/viewer/src/components/LdTagInput.vue
index b1b9e3e..6b6e749 100644
--- a/viewer/src/components/LdTagInput.vue
+++ b/viewer/src/components/LdTagInput.vue
@@ -57,10 +57,17 @@ export default class LdTagInput extends Vue {
     return `${option.display} (${option.items.length})`;
   }
 
+  filterAlreadyPresent(newSearch: Tag.Search) {
+    return !this.model.find(
+      currentSearch =>
+        currentSearch.tag === newSearch.tag && (!currentSearch.parent || currentSearch.parent === newSearch.parent)
+    );
+  }
+
   searchTags(filter: string) {