RecentFiles.hh

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//=============================================================================
//
//  Options used throughout the System
//
//=============================================================================
 
#pragma once
 
#include <QDir>
#include <QStringList>
#include <QString>
#include <QComboBox>
#include <QFileDialog>
#include <stdexcept>
 
#include <OpenFlipper/common/Types.hh>
 
namespace OpenFlipper {
namespace Options {
  
 
//===========================================================================
//===========================================================================  
  
  DLLEXPORT
  void addRecentFile(QString _file, DataType _type);
 
  DLLEXPORT
  void rememberRecentItem(const QString &propName, const QString &itemName, const int RECENT_ITEMS_MAX_SIZE = 10);
 
  DLLEXPORT
  QStringList getRecentItems(const QString &propName);
 
  DLLEXPORT
  QString getMostRecentItem(const QString &propName);
 
  inline static void updateComboBox(QComboBox *cb, const QString &value, const char *propName) {
      if (propName != 0) {
          cb->clear();
          if (value.length() > 0)
              rememberRecentItem(QString::fromUtf8(propName), value);
          const QStringList content = getRecentItems(QString::fromUtf8(propName));
          cb->insertItems(0, content);
      }
      cb->setEditText(value);
  }
 
  enum DialogType {
      DT_OPEN,
      DT_SAVE,
      DT_CHOOSE_PATH,
  };
 
  inline static QString obtainPathName(QComboBox *cb, const char *title, const char *filters,
                                       const char *propName, DialogType dialog_type = DT_OPEN) {
      QString result;
      switch (dialog_type) {
          case DT_OPEN:
              result = QFileDialog::getOpenFileName(0, QObject::tr(title), cb->currentText(), QObject::tr(filters));
              break;
          case DT_SAVE:
              result = QFileDialog::getSaveFileName(0, QObject::tr(title), cb->currentText(), QObject::tr(filters));
              break;
          case DT_CHOOSE_PATH:
              result = QFileDialog::getExistingDirectory(0, QObject::tr(title), cb->currentText());
              break;
          default:
              throw std::logic_error("Unknown value for dialog_type.");
      }
 
      if (result.length() > 0)
          updateComboBox(cb, result, propName);
 
      return result;
  }
}
}