WFileWidget.h

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#pragma once
#include <Wt/WContainerWidget.h>
#include <Wt/WLineEdit.h>
#include <Wt/WFileUpload.h>
#include <Wt/WPushButton.h>
#include <Wt/WString.h>
#include <Wt/WVBoxLayout.h>
#include <Wt/WMessageBox.h>
 
#include <WParameterDataNode.h>
 
#include <fstream>
#include <filesystem>
 
class WFileWidget : public Wt::WContainerWidget
{
public:
    WFileWidget(dyno::FBase*);
    ~WFileWidget();
 
    static Wt::WContainerWidget* WFileWidgetConstructor(dyno::FBase* field)
    {
        return new WFileWidget(field);
    };
 
    void setValue(dyno::FBase*);
 
    //Called when the widget is updated
    void updateField();
    Wt::Signal<int>& changeValue()
    {
        return changeValue_;
    }
 
private:
    dyno::FBase* mfield;
    Wt::WVBoxLayout* layout;
    Wt::WLineEdit* mfilename;
    //Wt::WPushButton* uploadButton;
    Wt::WFileUpload* upload;
    Wt::Signal<int> changeValue_;
 
    void uploadFile();
    void fileTooLarge();
    bool hasFile(std::string);
    std::string shortFilePath(std::string str);
};