feat: kanban view

2026-08-31 02:46:27 +08:00 · 2026-06-14 00:46:54 +01:00
parent 572452c80b
commit 5ec4f19839
55 changed files with 2820 additions and 373 deletions
@@ -0,0 +1,34 @@
+import { generateJitteredKeyBetween } from "fractional-indexing-jittered";
+import { NO_VALUE_CHOICE_ID, type IBaseRow } from "@/ee/base/types/base.types";
+
+export function resolveCardDrop(args: {
+  draggedRowId: string;
+  targetRowId: string | null;
+  edge: "top" | "bottom" | null;
+  targetColumnKey: string;
+  sourceColumnKey: string;
+  targetColumnRows: IBaseRow[];
+}): { columnChanged: boolean; destChoiceValue: string | null; position: string } | null {
+  const { draggedRowId, targetRowId, edge, targetColumnKey, sourceColumnKey, targetColumnRows } = args;
+  const columnChanged = sourceColumnKey !== targetColumnKey;
+  if (!columnChanged && draggedRowId === targetRowId) return null;
+  const destChoiceValue = targetColumnKey === NO_VALUE_CHOICE_ID ? null : targetColumnKey;
+  const rows = targetColumnRows.filter((r) => r.id !== draggedRowId);
+  let position: string;
+  if (!targetRowId || edge === null) {
+    const last = rows[rows.length - 1];
+    position = generateJitteredKeyBetween(last?.position ?? null, null);
+  } else {
+    const idx = rows.findIndex((r) => r.id === targetRowId);
+    if (idx === -1) {
+      const last = rows[rows.length - 1];
+      position = generateJitteredKeyBetween(last?.position ?? null, null);
+    } else {
+      const neighbor = edge === "top" ? idx - 1 : idx + 1;
+      const lower = edge === "top" ? rows[neighbor]?.position ?? null : rows[idx].position;
+      const upper = edge === "top" ? rows[idx].position : rows[neighbor]?.position ?? null;
+      position = generateJitteredKeyBetween(lower, upper);
+    }
+  }
+  return { columnChanged, destChoiceValue, position };
+}