From bbf26edb8d6d2a1cbe69548401a472eb804efcee Mon Sep 17 00:00:00 2001
From: n0mad <59114761+BlaiseLebreton@users.noreply.github.com>
Date: Tue, 20 Oct 2026 21:45:50 +0200
Subject: [PATCH] feat: Rework breadcrumb (for small screens)

---
 .../breadcrumb/breadcrumb.component.html      |  7 ++--
 .../layout/breadcrumb/breadcrumb.component.ts | 31 ++++++++++++++-
 frontend/src/styles/components/_header.scss   | 38 ++++++++++++++-----
 3 files changed, 61 insertions(+), 15 deletions(-)

diff --git a/frontend/src/app/layout/breadcrumb/breadcrumb.component.html b/frontend/src/app/layout/breadcrumb/breadcrumb.component.html
index d19c0b5f..e2fab0d5 100644
--- a/frontend/src/app/layout/breadcrumb/breadcrumb.component.html
+++ b/frontend/src/app/layout/breadcrumb/breadcrumb.component.html
@@ -1,15 +1,13 @@
 <div class="breadcrumb">
-  <div class="breadcrumb-content">
+  <div #breadcrumbContent class="breadcrumb-content">
     @for (item of levels; track $index) {
       @if (!$first) {
         <svg
-          [class.breadcrumb-mobile-hidden]="!$last"
           [lucideIcon]="icons.LucideChevronRight">
         </svg>
       }
       <li
         [class.breadcrumb-mobile-active]="!$first && $last"
-        [class.breadcrumb-mobile-hidden]="!$first && !$last"
         routerLinkActive="active"
         [routerLinkActiveOptions]="{matrixParams: 'ignored', queryParams: 'ignored', paths: 'exact', fragment: 'ignored'}">
         <a [routerLink]="item.link">
@@ -18,6 +16,9 @@
           }
           <span>{{ item.title }}</span>
         </a>
+        @if ($first && !$last) {
+          <span class="breadcrumb-overflow-marker" aria-hidden="true">...</span>
+        }
       </li>
     }
   </div>
diff --git a/frontend/src/app/layout/breadcrumb/breadcrumb.component.ts b/frontend/src/app/layout/breadcrumb/breadcrumb.component.ts
index b4dbac4e..b3326543 100644
--- a/frontend/src/app/layout/breadcrumb/breadcrumb.component.ts
+++ b/frontend/src/app/layout/breadcrumb/breadcrumb.component.ts
@@ -1,4 +1,4 @@
-import { Component, inject, OnDestroy } from '@angular/core'
+import { AfterViewChecked, AfterViewInit, Component, ElementRef, inject, OnDestroy, ViewChild } from '@angular/core'
 import { RouterLink, RouterLinkActive } from '@angular/router'
 import type { LucideIcon } from '@lucide/angular'
 import { LucideChevronRight, LucideDynamicIcon } from '@lucide/angular'
@@ -11,12 +11,15 @@ import { BreadCrumbUrl } from './breadcrumb.interfaces'
   templateUrl: 'breadcrumb.component.html',
   imports: [RouterLink, RouterLinkActive, LucideDynamicIcon]
 })
-export class BreadcrumbComponent implements OnDestroy {
+export class BreadcrumbComponent implements AfterViewChecked, AfterViewInit, OnDestroy {
+  @ViewChild('breadcrumbContent') private breadcrumbContent!: ElementRef<HTMLDivElement>
   protected readonly icons = { LucideChevronRight }
   protected breadcrumbIcon: LucideIcon = null
   protected levels: { link: string[] | string; title: string }[] = []
   private readonly layout = inject(LayoutService)
   private subscriptions: Subscription[] = []
+  private scrollToCurrentFolder = false
+  private resizeObserver: ResizeObserver | null = null
 
   constructor() {
     this.subscriptions.push(this.layout.breadcrumbNav.subscribe((url) => this.updateNav(url)))
@@ -25,9 +28,33 @@ export class BreadcrumbComponent implements OnDestroy {
 
   ngOnDestroy() {
     this.subscriptions.forEach((s) => s.unsubscribe())
+    this.resizeObserver?.disconnect()
+  }
+
+  ngAfterViewInit() {
+    const content = this.breadcrumbContent?.nativeElement
+    if (content) {
+      this.resizeObserver = new ResizeObserver(() => this.updateOverflow(content))
+      this.resizeObserver.observe(content)
+      this.updateOverflow(content)
+    }
+  }
+
+  ngAfterViewChecked() {
+    const content = this.breadcrumbContent?.nativeElement
+    if (content) this.updateOverflow(content)
+    if (this.scrollToCurrentFolder) {
+      this.scrollToCurrentFolder = false
+      if (content) content.scrollLeft = content.scrollWidth
+    }
+  }
+
+  private updateOverflow(content: HTMLDivElement) {
+    content.classList.toggle('breadcrumb-content--overflowing', content.scrollWidth > content.clientWidth)
   }
 
   updateNav(url: BreadCrumbUrl) {
+    this.scrollToCurrentFolder = true
     const splicing = url.splicing || 1
     const translating = url.translating || false
     const sameLink = url.sameLink || false
diff --git a/frontend/src/styles/components/_header.scss b/frontend/src/styles/components/_header.scss
index 957edac0..3409d57c 100644
--- a/frontend/src/styles/components/_header.scss
+++ b/frontend/src/styles/components/_header.scss
@@ -496,7 +496,16 @@
     justify-content: flex-start;
     width: 100%;
     min-width: 0;
-    @include text-truncate-utility;
+    overflow-x: auto;
+    overflow-y: hidden;
+    white-space: nowrap;
+    scrollbar-width: none;
+    -webkit-overflow-scrolling: touch;
+
+    &::-webkit-scrollbar {
+      display: none;
+    }
+
     @include no-select-pointer-utility;
 
     @include media-breakpoint-down(sm) {
@@ -504,17 +513,11 @@
         color: $gray-lightest !important;
       }
 
-      .breadcrumb-mobile-hidden {
-        display: none;
-      }
     }
 
     > li {
-      &:not(:first-child) {
-        @include text-truncate-utility;
-      }
-
       display: inline;
+      flex: 0 0 auto;
       list-style: none;
 
       &.active {
@@ -524,12 +527,23 @@
       }
 
       &:first-child {
+        position: sticky;
+        left: 0;
+        z-index: 1;
+        display: flex;
+        align-items: center;
         overflow: visible;
+        background-color: $app-header-bg;
 
         > a {
           gap: .4rem;
           margin-right: .3rem;
         }
+
+        > .breadcrumb-overflow-marker {
+          display: none;
+          margin-right: .3rem;
+        }
       }
 
       > a {
@@ -550,10 +564,14 @@
         }
 
         > span {
-          min-width: 0;
-          @include text-truncate-utility;
+          white-space: nowrap;
         }
       }
+
+    }
+
+    &.breadcrumb-content--overflowing > li:first-child > .breadcrumb-overflow-marker {
+      display: inline;
     }
 
     > .lucide {