Fixed drag/drop

module/applications/sheets/api/application-mixin.mjs

@@ -74,6 +74,15 @@ export default function DHApplicationMixin(Base) {
     class DHSheetV2 extends HandlebarsApplicationMixin(Base) {
         #nonHeaderAttribution = ['environment', 'ancestry', 'community', 'domainCard'];
 
+        /**
+         * @param {DHSheetV2Configuration} [options={}]
+         */
+        constructor(options = {}) {
+            super(options);
+
+            this._setupDragDrop();
+        }
+
         /**
          * The default options for the sheet.
          * @type {DHSheetV2Configuration}
@@ -165,7 +174,9 @@ export default function DHApplicationMixin(Base) {
         /**@inheritdoc */
         _attachPartListeners(partId, htmlElement, options) {
             super._attachPartListeners(partId, htmlElement, options);
-            // this._dragDrop.forEach(d => d.bind(htmlElement));
+
+            /* Core dragDrop from ActorDocument is always only 1. Possible we could refactor our own */
+            if (Array.isArray(this._dragDrop)) this._dragDrop.forEach(d => d.bind(htmlElement));
 
             // Handle delta inputs
             for (const deltaInput of htmlElement.querySelectorAll('input[data-allow-delta]')) {
@@ -338,6 +349,26 @@ export default function DHApplicationMixin(Base) {
         /*  Drag and Drop                               */
         /* -------------------------------------------- */
 
+        /**
+         * Creates drag-drop handlers from the configured options.
+         * @returns {foundry.applications.ux.DragDrop[]}
+         * @private
+         */
+        _setupDragDrop() {
+            if (this._dragDrop) {
+                this._dragDrop.callbacks.dragStart = this._onDragStart;
+                this._dragDrop.callback.drop = this._onDrop;
+            } else {
+                this._dragDrop = this.options.dragDrop.map(d => {
+                    d.callbacks = {
+                        dragstart: this._onDragStart.bind(this),
+                        drop: this._onDrop.bind(this)
+                    };
+                    return new foundry.applications.ux.DragDrop.implementation(d);
+                });
+            }
+        }
+
         /**
          * Handle dragStart event.
          * @param {DragEvent} event