mitk: QmitkNodeTableViewKeyFilter.cpp Source File

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00001 /*=========================================================================
00002 
00003 Program:   Medical Imaging & Interaction Toolkit
00004 Language:  C++
00005 Date:      $Date: 2009-07-14 19:11:20 +0200 (Tue, 14 Jul 2009) $
00006 Version:   $Revision: 18127 $
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 "QmitkNodeTableViewKeyFilter.h"
00019 
00020 #include <QKeyEvent>
00021 #include <QKeySequence>
00022 #include "../QmitkDataManagerView.h"
00023 
00024 QmitkNodeTableViewKeyFilter::QmitkNodeTableViewKeyFilter( QObject* _DataManagerView )
00025 : QObject(_DataManagerView)
00026 {
00027   m_PreferencesService = 
00028     berry::Platform::GetServiceRegistry().GetServiceById<berry::IPreferencesService>(berry::IPreferencesService::ID);
00029 }
00030 
00031 bool QmitkNodeTableViewKeyFilter::eventFilter( QObject *obj, QEvent *event )
00032 {
00033   QmitkDataManagerView* _DataManagerView = qobject_cast<QmitkDataManagerView*>(this->parent());
00034   if (event->type() == QEvent::KeyPress && _DataManagerView) 
00035   {
00036     berry::IPreferencesService::Pointer prefService = m_PreferencesService.Lock();
00037     berry::IPreferences::Pointer nodeTableKeyPrefs = prefService->GetSystemPreferences()->Node("/DataManager/Hotkeys");
00038 
00039     QKeySequence _MakeAllInvisible = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Make all nodes invisible", "Ctrl+, V")));
00040     QKeySequence _ToggleVisibility = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Toggle visibility of selected nodes", "V")));
00041     QKeySequence _DeleteSelectedNodes = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Delete selected nodes", "Del")));
00042     QKeySequence _Reinit = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Reinit selected nodes", "R")));
00043     QKeySequence _GlobalReinit = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Global Reinit", "Ctrl+, R")));
00044     QKeySequence _Save = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Save selected nodes", "Ctrl+, S")));
00045     QKeySequence _Load = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Load", "Ctrl+, L")));
00046     QKeySequence _ShowInfo = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Show Node Information", "Ctrl+, I")));
00047 
00048     QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
00049 
00050     QKeySequence _KeySequence = QKeySequence(keyEvent->modifiers(), keyEvent->key());
00051     // if no modifier was pressed the sequence is now empty
00052     if(_KeySequence.isEmpty())
00053       _KeySequence = QKeySequence(keyEvent->key());
00054 
00055     if(_KeySequence == _MakeAllInvisible)
00056     {
00057       // trigger deletion of selected node(s)
00058       _DataManagerView->MakeAllNodesInvisible(true);
00059       // return true: this means the delete key event is not send to the table
00060       return true;
00061     }    
00062     else if(_KeySequence == _DeleteSelectedNodes)
00063     {
00064       // trigger deletion of selected node(s)
00065       _DataManagerView->RemoveSelectedNodes(true);
00066       // return true: this means the delete key event is not send to the table
00067       return true;
00068     }    
00069     else if(_KeySequence == _ToggleVisibility)
00070     {
00071       // trigger deletion of selected node(s)
00072       _DataManagerView->ToggleVisibilityOfSelectedNodes(true);
00073       // return true: this means the delete key event is not send to the table
00074       return true;
00075     }    
00076     else if(_KeySequence == _Reinit)
00077     {
00078       _DataManagerView->ReinitSelectedNodes(true);
00079       return true;
00080     }    
00081     else if(_KeySequence == _GlobalReinit)
00082     {
00083       _DataManagerView->GlobalReinit(true);
00084       return true;
00085     }    
00086     else if(_KeySequence == _Save)
00087     {
00088       _DataManagerView->SaveSelectedNodes(true);
00089       return true;
00090     }    
00091     else if(_KeySequence == _Load)
00092     {
00093       _DataManagerView->Load(true);
00094       return true;
00095     }
00096     else if(_KeySequence == _ShowInfo)
00097     {
00098       _DataManagerView->ShowInfoDialogForSelectedNodes(true);
00099       return true;
00100     }
00101   }
00102   // standard event processing
00103   return QObject::eventFilter(obj, event);
00104 }