/*=============================================================================

  Library: CTK

  Copyright (c) German Cancer Research Center,
    Division of Medical and Biological Informatics

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

=============================================================================*/

#ifndef CTKCMDLINEMODULEFRONTEND_H
#define CTKCMDLINEMODULEFRONTEND_H

#include "ctkCommandLineModulesCoreExport.h"

#include <QObject>

template<class K, class V> class QHash;
class QUrl;

class ctkCmdLineModuleFuture;
class ctkCmdLineModuleReference;
class ctkCmdLineModuleFrontendPrivate;

/**
 * \ingroup CommandLineModulesCore
 */
class CTK_CMDLINEMODULECORE_EXPORT ctkCmdLineModuleFrontend : public QObject
{
  Q_OBJECT

public:

  ~ctkCmdLineModuleFrontend();

  virtual QObject* guiHandle() const = 0;

  virtual QVariant value(const QString& parameter) const = 0;
  virtual void setValue(const QString& parameter, const QVariant& value) = 0;

  virtual ctkCmdLineModuleFuture future() const;

  QUrl location() const;

  ctkCmdLineModuleReference moduleReference() const;

  virtual QList<QString> parameterNames() const;

  virtual QHash<QString,QVariant> values() const;
  virtual void setValues(const QHash<QString,QVariant>& values);

  bool isRunning() const;
  bool isPaused() const;

  Q_SIGNAL void valueChanged(const QString& parameter, const QVariant& value);

protected:

  ctkCmdLineModuleFrontend(const ctkCmdLineModuleReference& moduleRef);

  void setFuture(const ctkCmdLineModuleFuture& future);

private:

  Q_DISABLE_COPY(ctkCmdLineModuleFrontend)

  friend class ctkCmdLineModuleManager;
  friend class ctkCmdLineModulePrivate;

  QScopedPointer<ctkCmdLineModuleFrontendPrivate> d;

};

#endif // CTKCMDLINEMODULEFRONTEND_H