VFileSelector.h

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#pragma once
 
#include <string>
#include <QWidget>
#include <QFileDialog>
 
#include "VHBoxWidget.h"
 
class VPushButton;
class VLineEdit_Deprecated;
 
class VFileSelector : public VHBoxWidget {
    Q_OBJECT
 
public:
    std::string GetValue() const;
    bool        SetValue(const std::string &file);
 
    void HideLineEdit(bool hide);
 
protected:
    VFileSelector(const std::string &buttonText, const std::string &defaultPath, const std::string &filter);
 
    VLineEdit_Deprecated *_lineEdit;
    VPushButton *         _pushButton;
 
    std::string _filePath;
    std::string _filter;
 
private:
    virtual std::string _launchFileDialog() = 0;
    virtual bool        _isFileOperable(const std::string &file) const = 0;
 
public slots:
    void OpenFileDialog();
    void SetPathFromLineEdit(const std::string &value);
 
signals:
    void ValueChanged(const std::string &path);
};
 
class VFileReader : public VFileSelector {
    Q_OBJECT
 
public:
    VFileReader(const std::string &buttonText = "Select", const std::string &defaultPath = QDir::homePath().toStdString(), const std::string &filter = "");
 
private:
    virtual std::string _launchFileDialog();
    virtual bool        _isFileOperable(const std::string &file) const;
};
 
class VFileWriter : public VFileSelector {
    Q_OBJECT
 
public:
    VFileWriter(const std::string &buttonText = "Select", const std::string &defaultPath = QDir::homePath().toStdString(), const std::string &filter = "");
 
private:
    virtual std::string _launchFileDialog();
    virtual bool        _isFileOperable(const std::string &file) const;
};
 
class VDirSelector : public VFileSelector {
    Q_OBJECT
 
public:
    VDirSelector(const std::string &buttonText = "Select", const std::string &defaultPath = QDir::homePath().toStdString());
 
private:
    virtual std::string _launchFileDialog();
    virtual bool        _isFileOperable(const std::string &file) const;
};