#ifndef NMWXGEOREFDLG_H
#define NMWXGEOREFDLG_H

#include <QDialog>
#include <QLineEdit>
#include <QComboBox>
#include <QPushButton>
#include <QMessageBox>

#include "nmSubWxs_global.h"
#include "nmDataGeoRef.h"

class NM_SUB_WXS_EXPORT nmWxGeoRefDlg : public QDialog
{
    Q_OBJECT

public:
    explicit nmWxGeoRefDlg(QWidget* parent = 0);
	void loadDataToUI();        // 从数据加载到界面
	void saveDataUI();      // 从界面保存到数据

    // 坐标转换辅助函数
    void updateFromLatLon();                    // 根据经纬度更新UTM坐标
    void updateFromUTM();                       // 根据UTM坐标更新经纬度
    void latLonToUTM(double lat, double lon, int& zone, char& band, double& easting, double& northing);
    bool utmToLatLon(int zone, char band, double easting, double northing, double& lat, double& lon);
    int getUTMZoneFromLongitude(double longitude);
    char getUTMBandFromLatitude(double latitude);
	double calculateNorthing(double latitude, double longitude, int zone);
	void restoreLastValidValues();

    // 输入验证函数
    bool isValidLatitude(double lat);
    bool isValidLongitude(double lon);
    bool isValidEasting(double easting);
    bool isValidNorthing(double northing);

    private slots:
        void onUtmZoneChanged(int index);
        void onLongitudeChanged();     // 经度改变槽函数
        void onLatitudeChanged();      // 纬度改变槽函数
        void onEastingChanged();       // 东向坐标改变槽函数
        void onNorthingChanged();      // 北向坐标改变槽函数
		void okAccept();
		void cancelReject();

private:
    void initUI();

    QLineEdit* m_pLongitudeEdit;
    QLineEdit* m_pLatitudeEdit;

    QComboBox* m_pUtmZoneCombo;
    QLineEdit* m_pEastingEdit;
    QLineEdit* m_pNorthingEdit;

    QPushButton* m_pOkButton;
    QPushButton* m_pCancelButton;

    QString m_lastLongitude;
    QString m_lastLatitude;
    QString m_lastEasting;
    QString m_lastNorthing;

    // 防止递归更新的标志
    bool m_bUpdating;

	nmDataGeoRef m_geoRefData;
};

#endif // NMWXGEOREFDLG_H