From 3defbba5fdff0b99b27aad3cac28cd1bd45d4e9e Mon Sep 17 00:00:00 2001
From: Juergen Kunz <juergen@foss.global>
Date: Fri, 3 Apr 2026 19:50:46 +0000
Subject: [PATCH] feat(pdf-viewer): enhance PDF viewer with file size display
 and footer layout

---
 .../dees-pdf-viewer/component.ts              |  40 ++++++-
 .../00group-media/dees-pdf-viewer/demo.ts     |   5 +-
 .../00group-media/dees-pdf-viewer/styles.ts   | 102 +++++++++++++++---
 3 files changed, 125 insertions(+), 22 deletions(-)

diff --git a/ts_web/elements/00group-media/dees-pdf-viewer/component.ts b/ts_web/elements/00group-media/dees-pdf-viewer/component.ts
index 23becde..43d0c17 100644
--- a/ts_web/elements/00group-media/dees-pdf-viewer/component.ts
+++ b/ts_web/elements/00group-media/dees-pdf-viewer/component.ts
@@ -3,6 +3,7 @@ import { PdfManager } from '../dees-pdf-shared/PdfManager.js';
 import { viewerStyles } from './styles.js';
 import { demo as demoFunc } from './demo.js';
 import '../../00group-utility/dees-icon/dees-icon.js';
+import '../../00group-layout/dees-tile/dees-tile.js';
 
 declare global {
   interface HTMLElementTagNameMap {
@@ -54,6 +55,9 @@ export class DeesPdfViewer extends DeesElement {
   @property({ type: Array })
   accessor pageData: Array<{page: number, rendered: boolean, rendering: boolean, textLayerRendered: boolean}> = [];
 
+  @property({ type: Number })
+  accessor pdfFileSize: number = 0;
+
   private pdfDocument: any;
   private renderState: RenderState = 'idle';
   private renderAbortController: AbortController | null = null;
@@ -85,9 +89,9 @@ export class DeesPdfViewer extends DeesElement {
 
   public render(): TemplateResult {
     return html`
-      <div class="pdf-viewer ${this.showSidebar ? 'with-sidebar' : ''}">
+      <dees-tile class="${this.showSidebar ? 'with-sidebar' : ''}">
         ${this.showToolbar ? html`
-          <div class="toolbar">
+          <div slot="header" class="toolbar">
             <div class="toolbar-group">
               <button
                 class="toolbar-button"
@@ -240,7 +244,23 @@ export class DeesPdfViewer extends DeesElement {
             `}
           </div>
         </div>
-      </div>
+        <div slot="footer" class="pdf-footer">
+          <div class="pdf-footer-left">
+            <span class="pdf-footer-item">Zoom ${Math.round(this.currentZoom * 100)}%</span>
+            ${this.pdfFileSize > 0 ? html`
+              <span class="pdf-footer-item">${this.formatFileSize(this.pdfFileSize)}</span>
+            ` : ''}
+          </div>
+          <div class="pdf-footer-center" style="margin-left: ${this.showSidebar ? '100px' : '0'}">
+            <span>Page ${this.currentPage} of ${this.totalPages}</span>
+          </div>
+          <div class="pdf-footer-right">
+            ${this.pdfUrl ? html`
+              <span class="pdf-footer-filename">${this.pdfUrl.split('/').pop()}</span>
+            ` : ''}
+          </div>
+        </div>
+      </dees-tile>
     `;
   }
 
@@ -305,6 +325,12 @@ export class DeesPdfViewer extends DeesElement {
     }
   }
 
+  private formatFileSize(bytes: number): string {
+    if (bytes < 1024) return `${bytes} B`;
+    if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`;
+    return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
+  }
+
   private async loadPdf() {
     this.loading = true;
     this.renderState = 'loading';
@@ -323,6 +349,14 @@ export class DeesPdfViewer extends DeesElement {
       this.currentPage = this.initialPage;
       this.resolveInitialViewportMode();
 
+      // Get file size
+      try {
+        const data = await this.pdfDocument.getData();
+        this.pdfFileSize = data.length;
+      } catch (e) {
+        this.pdfFileSize = 0;
+      }
+
       // Initialize thumbnail and page data arrays
       this.thumbnailData = Array.from({length: this.totalPages}, (_, i) => ({
         page: i + 1,
diff --git a/ts_web/elements/00group-media/dees-pdf-viewer/demo.ts b/ts_web/elements/00group-media/dees-pdf-viewer/demo.ts
index 6fbeab7..b9bb932 100644
--- a/ts_web/elements/00group-media/dees-pdf-viewer/demo.ts
+++ b/ts_web/elements/00group-media/dees-pdf-viewer/demo.ts
@@ -3,8 +3,8 @@ import { html } from '@design.estate/dees-element';
 export const demo = () => html`
   <style>
     .demo-container {
-      padding: 40px;
-      background: #f5f5f5;
+      padding: 20px;
+      background: #000000;
     }
 
     .demo-section {
@@ -15,6 +15,7 @@ export const demo = () => html`
       margin-bottom: 20px;
       font-size: 18px;
       font-weight: 600;
+      color: #fafafa;
     }
 
     dees-pdf-viewer {
diff --git a/ts_web/elements/00group-media/dees-pdf-viewer/styles.ts b/ts_web/elements/00group-media/dees-pdf-viewer/styles.ts
index 583217b..96a3e54 100644
--- a/ts_web/elements/00group-media/dees-pdf-viewer/styles.ts
+++ b/ts_web/elements/00group-media/dees-pdf-viewer/styles.ts
@@ -12,25 +12,47 @@ export const viewerStyles = [
       contain: layout style;
     }
 
-    .pdf-viewer {
-      width: 100%;
+    dees-tile {
       height: 100%;
-      display: flex;
-      flex-direction: column;
-      background: ${cssManager.bdTheme('hsl(0 0% 97%)', 'hsl(215 20% 10%)')};
-      position: relative;
-      overflow: hidden;
+    }
+
+    .viewer-container::before,
+    .viewer-container::after {
+      content: '';
+      position: absolute;
+      left: 0;
+      right: 0;
+      height: 8px;
+      z-index: 5;
+      pointer-events: none;
+    }
+
+    .viewer-container::before {
+      top: 0;
+      background: linear-gradient(
+        to bottom,
+        ${cssManager.bdTheme('hsl(0 0% 0% / 0.08)', 'hsl(0 0% 0% / 0.4)')},
+        ${cssManager.bdTheme('hsl(0 0% 0% / 0.03)', 'hsl(0 0% 0% / 0.12)')},
+        transparent
+      );
+    }
+
+    .viewer-container::after {
+      bottom: 0;
+      background: linear-gradient(
+        to top,
+        ${cssManager.bdTheme('hsl(0 0% 0% / 0.08)', 'hsl(0 0% 0% / 0.4)')},
+        ${cssManager.bdTheme('hsl(0 0% 0% / 0.03)', 'hsl(0 0% 0% / 0.12)')},
+        transparent
+      );
     }
 
     .toolbar {
-      height: 48px;
-      background: ${cssManager.bdTheme('hsl(0 0% 100%)', 'hsl(215 20% 15%)')};
-      border-bottom: 1px solid ${cssManager.bdTheme('hsl(214 31% 91%)', 'hsl(217 25% 22%)')};
+      height: 40px;
       display: flex;
       align-items: center;
-      padding: 0 16px;
-      gap: 16px;
-      flex-shrink: 0;
+      padding: 0 12px;
+      gap: 12px;
     }
 
     .toolbar-group {
@@ -108,16 +130,15 @@ export const viewerStyles = [
     }
 
     .viewer-container {
-      flex: 1;
+      position: absolute;
+      inset: 0;
       display: flex;
       overflow: hidden;
-      position: relative;
-      min-height: 0;
     }
 
     .sidebar {
       width: 200px;
-      background: ${cssManager.bdTheme('hsl(0 0% 100%)', 'hsl(215 20% 15%)')};
+      background: transparent;
       border-right: 1px solid ${cssManager.bdTheme('hsl(214 31% 91%)', 'hsl(217 25% 22%)')};
       display: flex;
       flex-direction: column;
@@ -334,5 +355,52 @@ export const viewerStyles = [
     .pdf-viewer.with-sidebar .viewer-main {
       margin-left: 0;
     }
+
+    .pdf-footer {
+      height: 28px;
+      padding: 0 16px;
+      display: flex;
+      align-items: center;
+      font-size: 11px;
+      color: ${cssManager.bdTheme('hsl(0 0% 45%)', 'hsl(0 0% 55%)')};
+      width: 100%;
+      box-sizing: border-box;
+      position: relative;
+    }
+
+    .pdf-footer-left {
+      display: flex;
+      align-items: center;
+      gap: 12px;
+    }
+
+    .pdf-footer-left .pdf-footer-item + .pdf-footer-item {
+      padding-left: 12px;
+      border-left: 1px solid ${cssManager.bdTheme('hsl(0 0% 89.8%)', 'hsl(0 0% 14.9%)')};
+    }
+
+    .pdf-footer-center {
+      position: absolute;
+      left: 50%;
+      transform: translateX(-50%);
+      font-weight: 500;
+      transition: margin-left 0.15s ease;
+    }
+
+    .pdf-footer-right {
+      margin-left: auto;
+    }
+
+    .pdf-footer-item {
+      white-space: nowrap;
+    }
+
+    .pdf-footer-filename {
+      font-family: 'Intel One Mono', 'Geist Mono', monospace;
+      opacity: 0.7;
+      overflow: hidden;
+      text-overflow: ellipsis;
+      white-space: nowrap;
+    }
   `,
 ];
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