TSI_Config/tmrrelayassociation.h

#ifndef TMRRELAYASSOCIATION_H
#define TMRRELAYASSOCIATION_H

#include <QDialog>
#include <QButtonGroup>
#include <QPushButton>
#include "data_config.h"
#include "config_mgr.h"
#include <QStandardItemModel>   //数据模型类
#include <QTreeView>

namespace Ui {
class TMRRelayAssociation;
}
struct ExprNode {
    QString value;
    QList<ExprNode*> children;
};

class DropTreeModel : public QStandardItemModel {
public:
    using QStandardItemModel::QStandardItemModel;

    QStringList mimeTypes() const override {
        return { "application/x-custom" };
    }

    bool dropMimeData(const QMimeData *data, Qt::DropAction action,
                      int row, int column, const QModelIndex &parent) override {
        if (!data->hasFormat("application/x-custom"))
            return false;

        QByteArray rawData = data->data("application/x-custom");
        QString customText = QString::fromUtf8(rawData);

        QStandardItem *newItem = new QStandardItem(customText);
        newItem->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable |
                          Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled);

        QStandardItem *parentItem = this->itemFromIndex(parent);
        if (!parentItem) parentItem = this->invisibleRootItem();

        if (row < 0)
            parentItem->appendRow(newItem);
        else
            parentItem->insertRow(row, newItem);

        return true;
    }

    Qt::DropActions supportedDropActions() const override {
        return Qt::CopyAction;
    }
};

class TMRRelayAssociation : public QDialog
{
    Q_OBJECT

public:
    explicit TMRRelayAssociation(int slot,int cardtype,QWidget *parent = nullptr);
    ~TMRRelayAssociation();
    int slot_no;
    CardType car_type;
private slots:
    void on_pushButton_cancel_clicked();

    void on_pushButton_confirm_clicked();

    void onComboBoxIndexChanged(int index);

    void OnButtonGroup(QAbstractButton *);


    void on_pushButton_and_clicked();

    void on_pushButton_or_clicked();

    void on_treeView_Relay_customContextMenuRequested(const QPoint &pos);
    void slotDeleteItem();
private:
    Ui::TMRRelayAssociation *ui;
    QButtonGroup * btnGroup_slot = nullptr;
    DraggableListWidget *list_widget_available = nullptr;
    int current_index;
    QTreeView *treeView_relay;
    QStandardItemModel     *model_Relay;

    void Init();
    void buildTreeFromExpression(QTreeView *treeView, const QString &expr);
    ExprNode* parseExpression(const QString& expr, int& pos);
    QStandardItem* buildItemTree(ExprNode* node);
    void setExpressionToTreeView(QTreeView* treeView, const QString& expr);
    QStandardItem* parseExpression(const QString &expr);
    QString buildLogicExpression(QStandardItem *item);
};

#endif // TMRRELAYASSOCIATION_H