1 files changed, 44 insertions, 0 deletions
diff --git a/apps/files/src/store/selection.ts b/apps/files/src/store/selection.ts
new file mode 100644
index 00000000000..fa35d953406
--- /dev/null
+++ b/apps/files/src/store/selection.ts
@@ -0,0 +1,44 @@
+/**
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+import type { FileSource, SelectionStore } from '../types'
+import { defineStore } from 'pinia'
+import Vue from 'vue'
+
+export const useSelectionStore = defineStore('selection', {
+	state: () => ({
+		selected: [],
+		lastSelection: [],
+		lastSelectedIndex: null,
+	} as SelectionStore),
+
+	actions: {
+		/**
+		 * Set the selection of fileIds
+		 * @param selection
+		 */
+		set(selection = [] as FileSource[]) {
+			Vue.set(this, 'selected', [...new Set(selection)])
+		},
+
+		/**
+		 * Set the last selected index
+		 * @param lastSelectedIndex
+		 */
+		setLastIndex(lastSelectedIndex = null as number | null) {
+			// Update the last selection if we provided a new selection starting point
+			Vue.set(this, 'lastSelection', lastSelectedIndex ? this.selected : [])
+			Vue.set(this, 'lastSelectedIndex', lastSelectedIndex)
+		},
+
+		/**
+		 * Reset the selection
+		 */
+		reset() {
+			Vue.set(this, 'selected', [])
+			Vue.set(this, 'lastSelection', [])
+			Vue.set(this, 'lastSelectedIndex', null)
+		},
+	},
+})