QmitkNodeTableViewKeyFilter Class Reference

#include <QmitkNodeTableViewKeyFilter.h>

List of all members.

Public Member Functions
	QmitkNodeTableViewKeyFilter (QObject *_DataManagerView=0)
Protected Member Functions
bool	eventFilter (QObject *obj, QEvent *event)
Protected Attributes
berry::IPreferencesService::WeakPtr	m_PreferencesService

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Detailed Description

A small class which "eats" all Del-Key-pressed events on the node table. When the Del Key is pressed selected nodes should be removed.

Definition at line 29 of file QmitkNodeTableViewKeyFilter.h.

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Constructor & Destructor Documentation

QmitkNodeTableViewKeyFilter::QmitkNodeTableViewKeyFilter

(

QObject *

_DataManagerView = 0 )

Definition at line 24 of file QmitkNodeTableViewKeyFilter.cpp.

References berry::Platform::GetServiceRegistry(), ID, and m_PreferencesService.

: QObject(_DataManagerView)
{
  m_PreferencesService = 
    berry::Platform::GetServiceRegistry().GetServiceById<berry::IPreferencesService>(berry::IPreferencesService::ID);
}

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Member Function Documentation

bool QmitkNodeTableViewKeyFilter::eventFilter	(	QObject *	obj,
		QEvent *	event
	)		[protected]

Definition at line 31 of file QmitkNodeTableViewKeyFilter.cpp.

References QmitkDataManagerView::GlobalReinit(), QmitkDataManagerView::Load(), berry::WeakPointer< TObjectType >::Lock(), m_PreferencesService, QmitkDataManagerView::MakeAllNodesInvisible(), QmitkDataManagerView::ReinitSelectedNodes(), QmitkDataManagerView::RemoveSelectedNodes(), QmitkDataManagerView::SaveSelectedNodes(), QmitkDataManagerView::ShowInfoDialogForSelectedNodes(), and QmitkDataManagerView::ToggleVisibilityOfSelectedNodes().

{
  QmitkDataManagerView* _DataManagerView = qobject_cast<QmitkDataManagerView*>(this->parent());
  if (event->type() == QEvent::KeyPress && _DataManagerView) 
  {
    berry::IPreferencesService::Pointer prefService = m_PreferencesService.Lock();
    berry::IPreferences::Pointer nodeTableKeyPrefs = prefService->GetSystemPreferences()->Node("/DataManager/Hotkeys");

    QKeySequence _MakeAllInvisible = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Make all nodes invisible", "Ctrl+, V")));
    QKeySequence _ToggleVisibility = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Toggle visibility of selected nodes", "V")));
    QKeySequence _DeleteSelectedNodes = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Delete selected nodes", "Del")));
    QKeySequence _Reinit = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Reinit selected nodes", "R")));
    QKeySequence _GlobalReinit = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Global Reinit", "Ctrl+, R")));
    QKeySequence _Save = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Save selected nodes", "Ctrl+, S")));
    QKeySequence _Load = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Load", "Ctrl+, L")));
    QKeySequence _ShowInfo = QKeySequence(QString::fromStdString(nodeTableKeyPrefs->Get("Show Node Information", "Ctrl+, I")));

    QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);

    QKeySequence _KeySequence = QKeySequence(keyEvent->modifiers(), keyEvent->key());
    // if no modifier was pressed the sequence is now empty
    if(_KeySequence.isEmpty())
      _KeySequence = QKeySequence(keyEvent->key());

    if(_KeySequence == _MakeAllInvisible)
    {
      // trigger deletion of selected node(s)
      _DataManagerView->MakeAllNodesInvisible(true);
      // return true: this means the delete key event is not send to the table
      return true;
    }    
    else if(_KeySequence == _DeleteSelectedNodes)
    {
      // trigger deletion of selected node(s)
      _DataManagerView->RemoveSelectedNodes(true);
      // return true: this means the delete key event is not send to the table
      return true;
    }    
    else if(_KeySequence == _ToggleVisibility)
    {
      // trigger deletion of selected node(s)
      _DataManagerView->ToggleVisibilityOfSelectedNodes(true);
      // return true: this means the delete key event is not send to the table
      return true;
    }    
    else if(_KeySequence == _Reinit)
    {
      _DataManagerView->ReinitSelectedNodes(true);
      return true;
    }    
    else if(_KeySequence == _GlobalReinit)
    {
      _DataManagerView->GlobalReinit(true);
      return true;
    }    
    else if(_KeySequence == _Save)
    {
      _DataManagerView->SaveSelectedNodes(true);
      return true;
    }    
    else if(_KeySequence == _Load)
    {
      _DataManagerView->Load(true);
      return true;
    }
    else if(_KeySequence == _ShowInfo)
    {
      _DataManagerView->ShowInfoDialogForSelectedNodes(true);
      return true;
    }
  }
  // standard event processing
  return QObject::eventFilter(obj, event);
}

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Member Data Documentation

berry::IPreferencesService::WeakPtr QmitkNodeTableViewKeyFilter::m_PreferencesService [protected]

The Preferences Service to retrieve and store preferences.

Definition at line 40 of file QmitkNodeTableViewKeyFilter.h.

Referenced by eventFilter(), and QmitkNodeTableViewKeyFilter().

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The documentation for this class was generated from the following files:

• QmitkNodeTableViewKeyFilter.h
• QmitkNodeTableViewKeyFilter.cpp