Make possible for lists to have different names at different swimlanes. Make possible to drag list from one swimlane to another swimlane.

Thanks to xet7 !

models/boards.js

@@ -777,13 +777,22 @@ Boards.helpers({
       {
         boardId: this._id,
         archived: false,
+        // Get lists for all swimlanes in this board
+        swimlaneId: { $in: this.swimlanes().map(s => s._id) },
       },
       { sort: sortKey },
     );
   },
 
   draggableLists() {
-    return ReactiveCache.getLists({ boardId: this._id }, { sort: { sort: 1 } });
+    return ReactiveCache.getLists(
+      {
+        boardId: this._id,
+        // Get lists for all swimlanes in this board
+        swimlaneId: { $in: this.swimlanes().map(s => s._id) }
+      },
+      { sort: { sort: 1 } }
+    );
   },
 
   /** returns the last list
@@ -1171,6 +1180,7 @@ Boards.helpers({
       this.subtasksDefaultListId = Lists.insert({
         title: TAPi18n.__('queue'),
         boardId: this._id,
+        swimlaneId: this.getDefaultSwimline()._id, // Set default swimlane for subtasks list
       });
       this.setSubtasksDefaultListId(this.subtasksDefaultListId);
     }
@@ -1189,6 +1199,7 @@ Boards.helpers({
       this.dateSettingsDefaultListId = Lists.insert({
         title: TAPi18n.__('queue'),
         boardId: this._id,
+        swimlaneId: this.getDefaultSwimline()._id, // Set default swimlane for date settings list
       });
       this.setDateSettingsDefaultListId(this.dateSettingsDefaultListId);
     }

models/lists.js

@@ -50,10 +50,10 @@ Lists.attachSchema(
     },
     swimlaneId: {
       /**
-       * the swimlane associated to this list. Used for templates
+       * the swimlane associated to this list. Required for per-swimlane list titles
        */
       type: String,
-      defaultValue: '',
+      // Remove defaultValue to make it required
     },
     createdAt: {
       /**
@@ -196,7 +196,7 @@ Lists.helpers({
       _id = existingListWithSameName._id;
     } else {
       delete this._id;
-      delete this.swimlaneId;
+      this.swimlaneId = swimlaneId; // Set the target swimlane for the copied list
       _id = Lists.insert(this);
     }
 
@@ -231,6 +231,7 @@ Lists.helpers({
         type: this.type,
         archived: false,
         wipLimit: this.wipLimit,
+        swimlaneId: swimlaneId, // Set the target swimlane for the moved list
       });
     }
 
@@ -585,6 +586,7 @@ if (Meteor.isServer) {
         title: req.body.title,
         boardId: paramBoardId,
         sort: board.lists().length,
+        swimlaneId: req.body.swimlaneId || board.getDefaultSwimline()._id, // Use provided swimlaneId or default
       });
       JsonRoutes.sendResult(res, {
         code: 200,

models/swimlanes.js

@@ -173,6 +173,7 @@ Swimlanes.helpers({
           type: list.type,
           archived: false,
           wipLimit: list.wipLimit,
+          swimlaneId: toSwimlaneId, // Set the target swimlane for the copied list
         });
       }
 
@@ -213,7 +214,7 @@ Swimlanes.helpers({
     return ReactiveCache.getLists(
       {
         boardId: this.boardId,
-        swimlaneId: { $in: [this._id, ''] },
+        swimlaneId: this._id, // Only get lists that belong to this specific swimlane
         archived: false,
       },
       { sort: { modifiedAt: -1 } },
@@ -223,7 +224,7 @@ Swimlanes.helpers({
     return ReactiveCache.getLists(
       {
         boardId: this.boardId,
-        swimlaneId: { $in: [this._id, ''] },
+        swimlaneId: this._id, // Only get lists that belong to this specific swimlane
         //archived: false,
       },
       { sort: ['sort'] },