From 58cedb9fade983a812fded96230976ee775677c0 Mon Sep 17 00:00:00 2001
From: "Janus C. H. Knudsen" <janus007@gmail.com>
Date: Mon, 15 Dec 2025 21:25:01 +0100
Subject: [PATCH] Improves column key extraction in header drawer

Enhances column key retrieval to use consistent key format
Adds null check for filter template to prevent potential errors
Uses buildKeyFromColumn() for more robust key generation
---
 .claude/settings.local.json                          | 3 ++-
 src/v2/features/headerdrawer/HeaderDrawerRenderer.ts | 4 +++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 3a069d9..6916dda 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -12,7 +12,8 @@
       "Bash(npm install:*)",
       "WebFetch(domain:raw.githubusercontent.com)",
       "Bash(npm run css:analyze:*)",
-      "Bash(npm run test:run:*)"
+      "Bash(npm run test:run:*)",
+      "Bash(cd:*)"
     ],
     "deny": [],
     "ask": []
diff --git a/src/v2/features/headerdrawer/HeaderDrawerRenderer.ts b/src/v2/features/headerdrawer/HeaderDrawerRenderer.ts
index 6eaa6f7..1b528cd 100644
--- a/src/v2/features/headerdrawer/HeaderDrawerRenderer.ts
+++ b/src/v2/features/headerdrawer/HeaderDrawerRenderer.ts
@@ -384,12 +384,14 @@ export class HeaderDrawerRenderer {
 
   /**
    * Get visible column keys from DOM (preserves order for multi-resource views)
+   * Uses filterTemplate.buildKeyFromColumn() for consistent key format with events
    */
   private getVisibleColumnKeysFromDOM(): string[] {
+    if (!this.filterTemplate) return [];
     const columns = document.querySelectorAll('swp-day-column');
     const columnKeys: string[] = [];
     columns.forEach(col => {
-      const columnKey = (col as HTMLElement).dataset.columnKey;
+      const columnKey = this.filterTemplate!.buildKeyFromColumn(col as HTMLElement);
       if (columnKey) columnKeys.push(columnKey);
     });
     return columnKeys;