#include <Wt/WApplication>
#include <Wt/WBreak>
#include <Wt/WContainerWidget>
#include <Wt/WLineEdit>
#include <Wt/WPushButton>
#include <Wt/WText>
#include <Wt/WMessageBox>
#include <Wt/WProgressBar>
#include <Wt/WFileUpload>
#include <Wt/WLogger>

using namespace Wt;

class HelloApplication : public WApplication
{
public:
  HelloApplication(const WEnvironment& env);

private:
  void fileUploaded();
  void tooLarge();

  WPushButton* button_;
  WFileUpload* fileUpload_;
};

HelloApplication::HelloApplication(const WEnvironment& env)
  : WApplication(env)
{
  setTitle("Hello world");

  fileUpload_ = new WFileUpload(root());
  button_ = new WPushButton("Send", root());
  button_->setMargin(5, Left);

  button_->clicked().connect(fileUpload_, &WFileUpload::upload);
  button_->clicked().connect(button_, &WPushButton::disable);
  fileUpload_->uploaded().connect(this, &HelloApplication::fileUploaded);
  fileUpload_->fileTooLarge().connect(this, &HelloApplication::tooLarge);
  fileUpload_->setProgressBar(new WProgressBar());
}

void HelloApplication::fileUploaded()
{
  log("trace") << "fileUploaded";
}

void HelloApplication::tooLarge()
{
  log("trace") << "tooLarge";
}

WApplication *createApplication(const WEnvironment& env)
{
  return new HelloApplication(env);
}

int main(int argc, char **argv)
{
  return WRun(argc, argv, &createApplication);
}