mitk: QmitkCloseProjectAction.cpp Source File

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00001 /*=========================================================================
00002 
00003 Program:   Medical Imaging & Interaction Toolkit
00004 Language:  C++
00005 Date:      $Date: 2009-10-07 16:14:59 +0200 (Mi, 07 Okt 2009) $
00006 Version:   $Revision: 19343 $
00007 
00008 Copyright (c) German Cancer Research Center, Division of Medical and
00009 Biological Informatics. All rights reserved.
00010 See MITKCopyright.txt or https://www.mitk.org/copyright.html for details.
00011 
00012 This software is distributed WITHOUT ANY WARRANTY; without even
00013 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00014 PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 
00018 #include "QmitkCloseProjectAction.h"
00019 
00020 #include <mitkCoreObjectFactory.h>
00021 #include <mitkDataStorageEditorInput.h>
00022 #include <mitkNodePredicateNot.h>
00023 #include <mitkNodePredicateProperty.h>
00024 #include <berryIEditorPart.h>
00025 #include <berryIWorkbenchPage.h>
00026 #include "QmitkStdMultiWidgetEditor.h"
00027 
00028 #include <QMessageBox>
00029 
00030 QmitkCloseProjectAction::QmitkCloseProjectAction(berry::IWorkbenchWindow::Pointer window)
00031 : QAction(0)
00032 {
00033   this->init(window);
00034 }
00035 
00036 QmitkCloseProjectAction::QmitkCloseProjectAction(const QIcon & icon, berry::IWorkbenchWindow::Pointer window)
00037 : QAction(0)
00038 {
00039   this->setIcon(icon);
00040   this->init(window);
00041 }
00042 
00043 void QmitkCloseProjectAction::init(berry::IWorkbenchWindow::Pointer window)
00044 {
00045   m_Window = window;
00046   this->setParent(static_cast<QWidget*>(m_Window->GetShell()->GetControl()));
00047   this->setText("&Close Project...");
00048   this->setToolTip("Close Project will remove all data objects from the application. This will free up the memory that is used by the data.");
00049   m_Window = window;
00050   this->connect(this, SIGNAL(triggered(bool)), this, SLOT(Run()));
00051 }
00052 
00053 void QmitkCloseProjectAction::Run()
00054 {
00055 
00056 
00057   try
00058   {
00059     /* Get the DataStorage and the MultiWidget */
00060     mitk::DataStorageEditorInput::Pointer editorInput;
00061     mitk::DataStorage::Pointer storage;
00062     QmitkStdMultiWidgetEditor::Pointer multiWidgetEditor;
00063     berry::IEditorPart::Pointer editor = m_Window->GetActivePage()->GetActiveEditor();
00064     if (editor.Cast<QmitkStdMultiWidgetEditor>().IsNull())
00065     {
00066       editorInput = new mitk::DataStorageEditorInput();
00067       storage = editorInput->GetDataStorageReference()->GetDataStorage();
00068     }
00069     else
00070     {
00071       multiWidgetEditor = editor.Cast<QmitkStdMultiWidgetEditor>();
00072       storage = multiWidgetEditor->GetEditorInput().Cast<mitk::DataStorageEditorInput>()->GetDataStorageReference()->GetDataStorage();
00073     }
00074 
00075     //check if there is anything else then helper object in the storage
00076     if(storage->GetSubset(mitk::NodePredicateNot::New(mitk::NodePredicateProperty::New("helper object", mitk::BoolProperty::New(true))))->empty())
00077       return;
00078     /* Ask, if the user is sure about that */
00079     if (QMessageBox::question(NULL, "Remove all data?", "Are you sure that you want to close the current project? This will remove all data objects?", QMessageBox::Yes | QMessageBox::No) != QMessageBox::Yes)
00080       return;
00081 
00082     /* Remove everything */
00083     mitk::DataStorage::SetOfObjects::ConstPointer nodesToRemove = storage->GetAll();
00084     storage->Remove(nodesToRemove);
00085     /* Re-Add 2D renderer planes */
00086     if (multiWidgetEditor.IsNotNull())
00087       multiWidgetEditor->GetStdMultiWidget()->AddPlanesToDataStorage();
00088   }
00089   catch (std::exception& e)
00090   {
00091     MITK_ERROR << "Exception caught during scene saving: " << e.what();
00092     QMessageBox::warning(NULL, "Error", QString("An error occurred during Close Project: %1").arg(e.what()));
00093   }
00094 }