QIsisApplication.cpp

#include "QIsisApplication.h"
 
#include <locale.h>
 
#include <QDesktopServices>
#include <QFileInfo>
#include <QObject>
#include <QMessageBox>
#include <QUrl>
 
#include <gdal_priv.h>
 
#include "FileName.h"
#include "Preference.h"
#include "IException.h"
#include "IString.h"
 
namespace Isis {
  QIsisApplication::QIsisApplication(int &argc, char *argv[]) :
    QApplication(argc, argv) {
    // try to use US locale for numbers so we don't end up printing "," instead
    //   of "." where it might count.
 
    // Setup gdal drivers and error handler
    try {
      GDALAllRegister();
      CPLSetErrorHandler(CPLQuietErrorHandler);
    }
    catch(std::exception &e) {
      QString msg = "Failed to load GDAL Drivers, with error [" + QString(e.what()) + "]";
      throw IException(IException::Unknown, msg, _FILEINFO_);
    }
 
    for (int i = 1; i < argc; i++) {
        QString arg(argv[i]);
        if (arg.startsWith("-pref")) {
 
            // So that we can grab the file located after the current '-pref' flag.
            int nextIndex = i + 1;
 
            if (nextIndex < argc) {
                FileName preferenceFile(argv[nextIndex]);
                QString filePath = preferenceFile.expanded();
                Preference::Preferences().clear();
                Preference::Preferences().Load(filePath);
            }
            else {
                QMessageBox::warning(NULL, "Warning", "Preference flag set but no preference file given.");
            }
        }
    }
    setlocale(LC_NUMERIC, "en_US.UTF-8");
 
    QDesktopServices::setUrlHandler("http", this, "openUrl");
  }
 

  bool QIsisApplication::notify(QObject *rec, QEvent *ev) {
    try {
      return QApplication::notify(rec, ev);
    }
    catch(IException &e) {
      QMessageBox::critical(NULL, "Error", e.what());
    }
    return false;
  }
 

  void QIsisApplication::openUrl(QUrl url) {
     QDesktopServices::openUrl(url);
  }
}