1 files changed, 45 insertions, 0 deletions
diff --git a/src/pybind/mgr/dashboard/frontend/src/app/shared/models/cd-table-selection.ts b/src/pybind/mgr/dashboard/frontend/src/app/shared/models/cd-table-selection.ts
new file mode 100644
index 000000000..bbe1e5088
--- /dev/null
+++ b/src/pybind/mgr/dashboard/frontend/src/app/shared/models/cd-table-selection.ts
@@ -0,0 +1,45 @@
+export class CdTableSelection {
+  private _selected: any[] = [];
+  hasMultiSelection: boolean;
+  hasSingleSelection: boolean;
+  hasSelection: boolean;
+
+  constructor(rows?: any[]) {
+    if (rows) {
+      this._selected = rows;
+    }
+    this.update();
+  }
+
+  /**
+   * Recalculate the variables based on the current number
+   * of selected rows.
+   */
+  private update() {
+    this.hasSelection = this._selected.length > 0;
+    this.hasSingleSelection = this._selected.length === 1;
+    this.hasMultiSelection = this._selected.length > 1;
+  }
+
+  set selected(selection: any[]) {
+    this._selected = selection;
+    this.update();
+  }
+
+  get selected() {
+    return this._selected;
+  }
+
+  add(row: any) {
+    this._selected.push(row);
+    this.update();
+  }
+
+  /**
+   * Get the first selected row.
+   * @return {any | null}
+   */
+  first() {
+    return this.hasSelection ? this._selected[0] : null;
+  }
+}