Show original positions of swimlanes, lists and cards.

Thanks to xet7 !

Fixes #5939

client/components/common/originalPosition.js

@@ -0,0 +1,98 @@
+import { BlazeComponent } from 'meteor/peerlibrary:blaze-components';
+import { ReactiveVar } from 'meteor/reactive-var';
+import { Meteor } from 'meteor/meteor';
+import { Template } from 'meteor/templating';
+import './originalPosition.html';
+
+/**
+ * Component to display original position information for swimlanes, lists, and cards
+ */
+class OriginalPositionComponent extends BlazeComponent {
+  onCreated() {
+    super.onCreated();
+    this.originalPosition = new ReactiveVar(null);
+    this.isLoading = new ReactiveVar(false);
+    this.hasMoved = new ReactiveVar(false);
+    
+    this.autorun(() => {
+      const data = this.data();
+      if (data && data.entityId && data.entityType) {
+        this.loadOriginalPosition(data.entityId, data.entityType);
+      }
+    });
+  }
+
+  loadOriginalPosition(entityId, entityType) {
+    this.isLoading.set(true);
+    
+    const methodName = `positionHistory.get${entityType.charAt(0).toUpperCase() + entityType.slice(1)}OriginalPosition`;
+    
+    Meteor.call(methodName, entityId, (error, result) => {
+      this.isLoading.set(false);
+      if (error) {
+        console.error('Error loading original position:', error);
+        this.originalPosition.set(null);
+      } else {
+        this.originalPosition.set(result);
+        
+        // Check if the entity has moved
+        const movedMethodName = `positionHistory.has${entityType.charAt(0).toUpperCase() + entityType.slice(1)}Moved`;
+        Meteor.call(movedMethodName, entityId, (movedError, movedResult) => {
+          if (!movedError) {
+            this.hasMoved.set(movedResult);
+          }
+        });
+      }
+    });
+  }
+
+  getOriginalPosition() {
+    return this.originalPosition.get();
+  }
+
+  isLoading() {
+    return this.isLoading.get();
+  }
+
+  hasMovedFromOriginal() {
+    return this.hasMoved.get();
+  }
+
+  getOriginalPositionDescription() {
+    const position = this.getOriginalPosition();
+    if (!position) return 'No original position data';
+    
+    if (position.originalPosition) {
+      const entityType = this.data().entityType;
+      let description = `Original position: ${position.originalPosition.sort || 0}`;
+      
+      if (entityType === 'list' && position.originalSwimlaneId) {
+        description += ` in swimlane ${position.originalSwimlaneId}`;
+      } else if (entityType === 'card') {
+        if (position.originalSwimlaneId) {
+          description += ` in swimlane ${position.originalSwimlaneId}`;
+        }
+        if (position.originalListId) {
+          description += ` in list ${position.originalListId}`;
+        }
+      }
+      
+      return description;
+    }
+    
+    return 'No original position data';
+  }
+
+  getOriginalTitle() {
+    const position = this.getOriginalPosition();
+    return position ? position.originalTitle : '';
+  }
+
+  showOriginalPosition() {
+    return this.getOriginalPosition() !== null;
+  }
+}
+
+OriginalPositionComponent.register('originalPosition');
+
+export default OriginalPositionComponent;