feat: 添加ElaWidgetTool库

ElaWidgetTools/DeveloperComponents/ElaPivotModel.h

@@ -0,0 +1,26 @@
+#ifndef ELAPIVOTMODEL_H
+#define ELAPIVOTMODEL_H
+
+#include <QAbstractListModel>
+
+class ElaPivotModel : public QAbstractListModel
+{
+    Q_OBJECT
+public:
+    explicit ElaPivotModel(QObject* parent = nullptr);
+    ~ElaPivotModel();
+
+    void appendPivot(QString pivot);
+    void removePivot(QString pivot);
+
+    int getPivotListCount() const;
+
+protected:
+    int rowCount(const QModelIndex& parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex& index, int role) const override;
+
+private:
+    QStringList _pivotList;
+};
+
+#endif // ELAPIVOTMODEL_H