Merging OpenRecentProjectWorkOrder from IPCE to trunk. Fixes #4026,#3994

/**

 * @file

 * $Revision: 1.19 $

 * $Date: 2010/03/22 19:44:53 $

 *

 *   Unless noted otherwise, the portions of Isis written by the USGS are

 *   public domain. See individual third-party library and package descriptions

 *   for intellectual property information, user agreements, and related

 *   information.

 *

 *   Although Isis has been used by the USGS, no warranty, expressed or

 *   implied, is made by the USGS as to the accuracy and functioning of such

 *   software and related material nor shall the fact of distribution

 *   constitute any such warranty, and no responsibility is assumed by the

 *   USGS in connection therewith.

 *

 *   For additional information, launch

 *   $ISISROOT/doc//documents/Disclaimers/Disclaimers.html

 *   in a browser or see the Privacy & Disclaimers page on the Isis website,

 *   http://isis.astrogeology.usgs.gov, and the USGS privacy and disclaimers on

 *   http://www.usgs.gov/privacy.html.

 */

#include "OpenRecentProjectWorkOrder.h"

#include <QCoreApplication>

#include <QDebug>

#include <QMessageBox>

#include "FileName.h"

#include "Project.h"

namespace Isis {

/**

 * @brief Constructor which creates a WorkOrder that will open a recent project.

 * @param project The Project that this work order should be interacting with

 *

 */

  OpenRecentProjectWorkOrder::OpenRecentProjectWorkOrder(Project *project) :

  WorkOrder(project) {

    QAction::setText(tr("Open &Recent Project") );

    setCreatesCleanState(true);

  }

  /**

   * @brief Copies the OpenRecentProjectWorkOrder 'other' into this new instance.

   * @param other The WorkOrder being copied.

   *

   */

  OpenRecentProjectWorkOrder::OpenRecentProjectWorkOrder(const OpenRecentProjectWorkOrder &other) :

      WorkOrder(other) {

  }

  /**

   * @brief The Destructor.

   */

  OpenRecentProjectWorkOrder::~OpenRecentProjectWorkOrder() {

  }

  /**

   * @brief Returns a copy of this OpenRecentProjectWorkOrder instance.

   * @return @b ( OpenRecentWorkOrder *) A pointer to a copy of this object.

   */

  OpenRecentProjectWorkOrder *OpenRecentProjectWorkOrder::clone() const {

    return new OpenRecentProjectWorkOrder(*this);

  }

  /**

   * @brief This function determines if the given project file name can be opened.

   * @param projectFileName  The path to the project file.

   * @return @b bool True if the file exists, False otherwise.

   */

  bool OpenRecentProjectWorkOrder::isExecutable(QString projectFileName) {

    FileName fname = projectFileName;

    if (!fname.fileExists() )

      return false;

    return true;

  }

  /**

   * @brief Attempts to open the recent project.

   * @return  @b bool True if successful, False if not.

   */

  bool OpenRecentProjectWorkOrder::execute() {

    bool success = WorkOrder::execute();

    // We dislike the progress bar

    // delete progressBar();

    // If more than this work order is in the history, don't allow this operation

    if (success && project()->workOrderHistory().count()) {

      QMessageBox::critical(NULL, tr("Unable To Open a Project"),

                            tr("If you have modified your current project, you cannot open a new "

                               "project because this is not yet implemented"));

      success = false;

    }

    else if (success) {

      QString projectName = QAction::text();

      if (!projectName.isEmpty() ) {

        project()->open(projectName);

      }

      else {

        success = false;

      }

    }

    return success;

  }

}

#ifndef OpenRecentProjectWorkOrder_H

#define OpenRecentProjectWorkOrder_H

/**

 * @file

 * $Revision: 1.19 $

 * $Date: 2010/03/22 19:44:53 $

 *

 *   Unless noted otherwise, the portions of Isis written by the USGS are

 *   public domain. See individual third-party library and package descriptions

 *   for intellectual property information, user agreements, and related

 *   information.

 *

 *   Although Isis has been used by the USGS, no warranty, expressed or

 *   implied, is made by the USGS as to the accuracy and functioning of such

 *   software and related material nor shall the fact of distribution

 *   constitute any such warranty, and no responsibility is assumed by the

 *   USGS in connection therewith.

 *

 *   For additional information, launch

 *   $ISISROOT/doc//documents/Disclaimers/Disclaimers.html

 *   in a browser or see the Privacy & Disclaimers page on the Isis website,

 *   http://isis.astrogeology.usgs.gov, and the USGS privacy and disclaimers on

 *   http://www.usgs.gov/privacy.html.

 */

#include "WorkOrder.h"

class QString;

namespace Isis {

  /**

   *  @brief  This is a child of class WorkOrder which is used for anything that performs

   *  an action in a Project.  This class opens and displays a recent

   *  project.

   *

   * @author 2014-04-13 Ken Edmundson

   *

   *

   * @internal

   *   @author 2016-06-06 Tyler Wilson - Added documentation for the functions and

   *              brought the code into compliance with ISIS3 coding standards.

   *              References #3944.

   */

  class OpenRecentProjectWorkOrder : public WorkOrder {

      Q_OBJECT

    public:

      OpenRecentProjectWorkOrder(Project *project);

      OpenRecentProjectWorkOrder(const OpenRecentProjectWorkOrder &other);

      ~OpenRecentProjectWorkOrder();

      virtual OpenRecentProjectWorkOrder *clone() const;

      virtual bool isExecutable(QString projectFileName);

      bool execute();

    private:

      OpenRecentProjectWorkOrder &operator=(const OpenRecentProjectWorkOrder &rhs);

  };

}

#endif // OpenRecentProjectWorkOrder_H