diff --git a/Core/Code/DataManagement/mitkLevelWindowManager.cpp b/Core/Code/DataManagement/mitkLevelWindowManager.cpp index cc4ebe84b5..d95f7ecfaf 100644 --- a/Core/Code/DataManagement/mitkLevelWindowManager.cpp +++ b/Core/Code/DataManagement/mitkLevelWindowManager.cpp @@ -1,431 +1,420 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #include "mitkLevelWindowManager.h" #include #include "mitkDataStorage.h" #include "mitkNodePredicateBase.h" #include "mitkNodePredicateProperty.h" #include "mitkNodePredicateDataType.h" #include "mitkNodePredicateAnd.h" #include "mitkNodePredicateOr.h" #include "mitkNodePredicateNot.h" #include "mitkProperties.h" #include "mitkMessage.h" mitk::LevelWindowManager::LevelWindowManager() : m_DataStorage(NULL) , m_LevelWindowProperty(NULL) , m_AutoTopMost(true) , m_IsObserverTagSet(false) , m_CurrentImage(NULL) , m_IsPropertyModifiedTagSet(false) { } mitk::LevelWindowManager::~LevelWindowManager() { if (m_DataStorage.IsNotNull()) { m_DataStorage->AddNodeEvent.RemoveListener( MessageDelegate1( this, &LevelWindowManager::DataStorageAddedNode )); m_DataStorage->RemoveNodeEvent.RemoveListener( MessageDelegate1( this, &LevelWindowManager::DataStorageRemovedNode )); m_DataStorage = NULL; } if (m_IsPropertyModifiedTagSet && m_LevelWindowProperty.IsNotNull()) { m_LevelWindowProperty->RemoveObserver(m_PropertyModifiedTag); m_IsPropertyModifiedTagSet = false; } //clear both observer maps this->ClearPropObserverLists(); } void mitk::LevelWindowManager::SetDataStorage( mitk::DataStorage* ds ) { if (ds == NULL) return; /* remove listeners of old DataStorage */ if (m_DataStorage.IsNotNull()) { m_DataStorage->AddNodeEvent.RemoveListener( MessageDelegate1( this, &LevelWindowManager::DataStorageAddedNode )); m_DataStorage->RemoveNodeEvent.RemoveListener( MessageDelegate1( this, &LevelWindowManager::DataStorageRemovedNode )); } /* register listener for new DataStorage */ m_DataStorage = ds; // register m_DataStorage->AddNodeEvent.AddListener( MessageDelegate1( this, &LevelWindowManager::DataStorageAddedNode )); m_DataStorage->RemoveNodeEvent.AddListener( MessageDelegate1( this, &LevelWindowManager::DataStorageRemovedNode )); this->DataStorageAddedNode(); // update us with new DataStorage } void mitk::LevelWindowManager::OnPropertyModified(const itk::EventObject& ) { Modified(); } void mitk::LevelWindowManager::SetAutoTopMostImage(bool autoTopMost, const mitk::DataNode* removedNode) { m_AutoTopMost = autoTopMost; if (m_AutoTopMost == false) return; if (m_IsPropertyModifiedTagSet && m_LevelWindowProperty.IsNotNull()) { m_LevelWindowProperty->RemoveObserver(m_PropertyModifiedTag); m_IsPropertyModifiedTagSet = false; } /* search topmost image */ if (m_DataStorage.IsNull()) { itkExceptionMacro("DataStorage not set"); } int maxLayer = itk::NumericTraits::min(); m_LevelWindowProperty = NULL; mitk::DataNode::Pointer topLevelNode; mitk::DataStorage::SetOfObjects::ConstPointer all = this->GetRelevantNodes(); for (mitk::DataStorage::SetOfObjects::ConstIterator it = all->Begin(); it != all->End(); ++it) { mitk::DataNode::Pointer node = it->Value(); if (node.IsNull() || (removedNode != NULL && node == removedNode)) continue; node->SetBoolProperty( "imageForLevelWindow", false ); if (node->IsVisible(NULL) == false) continue; int layer = 0; node->GetIntProperty("layer", layer); if ( layer < maxLayer ) continue; mitk::LevelWindowProperty::Pointer levelWindowProperty = dynamic_cast(node->GetProperty("levelwindow")); if (levelWindowProperty.IsNull()) continue; m_LevelWindowProperty = levelWindowProperty; m_CurrentImage = dynamic_cast(node->GetData()); topLevelNode = node; maxLayer = layer; } if (topLevelNode.IsNotNull()) { topLevelNode->SetBoolProperty( "imageForLevelWindow", true ); } this->SetLevelWindowProperty( m_LevelWindowProperty ); if ( m_LevelWindowProperty.IsNull() ) { Modified(); } // else SetLevelWindowProperty will call Modified(); } // sets an specific LevelWindowProperty, all changes will affect the image belonging to this property. void mitk::LevelWindowManager::SetLevelWindowProperty(LevelWindowProperty::Pointer levelWindowProperty) { if (levelWindowProperty.IsNull()) return; if (m_IsPropertyModifiedTagSet) // remove listener for old property { m_LevelWindowProperty->RemoveObserver(m_PropertyModifiedTag); m_IsPropertyModifiedTagSet = false; } m_LevelWindowProperty = levelWindowProperty; itk::ReceptorMemberCommand::Pointer command = itk::ReceptorMemberCommand::New(); // register listener for new property command->SetCallbackFunction(this, &LevelWindowManager::OnPropertyModified); m_PropertyModifiedTag = m_LevelWindowProperty->AddObserver( itk::ModifiedEvent(), command ); m_IsPropertyModifiedTagSet = true; /* search image than belongs to the property */ mitk::NodePredicateProperty::Pointer p = mitk::NodePredicateProperty::New("levelwindow", m_LevelWindowProperty); mitk::DataNode* n = m_DataStorage->GetNode(p); if (n == NULL) { mitkThrow() << "No Image in DataStorage that belongs to LevelWindow property" << m_LevelWindowProperty; } m_CurrentImage = dynamic_cast(n->GetData()); n->SetBoolProperty( "imageForLevelWindow", true ); this->Modified(); } // returns the current mitkLevelWindowProperty object from the image that is affected by changes mitk::LevelWindowProperty::Pointer mitk::LevelWindowManager::GetLevelWindowProperty() { return m_LevelWindowProperty; } // returns Level/Window values for the current image const mitk::LevelWindow& mitk::LevelWindowManager::GetLevelWindow() { if (m_LevelWindowProperty.IsNotNull()) { return m_LevelWindowProperty->GetLevelWindow(); } else { itkExceptionMacro("No LevelWindow available!"); } } // sets new Level/Window values and informs all listeners about changes void mitk::LevelWindowManager::SetLevelWindow(const mitk::LevelWindow& levelWindow) { if (m_LevelWindowProperty.IsNotNull()) { m_LevelWindowProperty->SetLevelWindow(levelWindow); } this->Modified(); } void mitk::LevelWindowManager::DataStorageAddedNode( const mitk::DataNode* ) { //update observers with new data storage UpdateObservers(); //check if everything is still ok if ((m_PropObserverToNode.size() != m_PropObserverToNode2.size()) || (m_PropObserverToNode2.size() != this->GetRelevantNodes()->size())) {mitkThrow() << "Wrong number of observers in Level Window Manager!";} } void mitk::LevelWindowManager::DataStorageRemovedNode( const mitk::DataNode* removedNode ) { - //first: check if deleted node is part of relevant nodes. If not, abort method because there is no need change anything. - if ((this->GetRelevantNodes()->size() == 0)) return; - for (mitk::DataStorage::SetOfObjects::ConstIterator it = this->GetRelevantNodes()->Begin(); - it != this->GetRelevantNodes()->End(); - ++it) - {if (it->Value() == removedNode) {return;}} - //remember node which will be removed m_NodeMarkedToDelete = removedNode; //update observers UpdateObservers(); /* search image than belongs to the property */ if (m_LevelWindowProperty.IsNull()) { SetAutoTopMostImage(true, removedNode); } else { mitk::NodePredicateProperty::Pointer p2 = mitk::NodePredicateProperty::New("levelwindow", m_LevelWindowProperty); mitk::DataNode* n = m_DataStorage->GetNode(p2); if (n == NULL || m_AutoTopMost) // if node was deleted, change our behaviour to AutoTopMost, if AutoTopMost is true change level window to topmost node { SetAutoTopMostImage(true, removedNode); } } //reset variable m_NodeMarkedToDelete = NULL; //check if everything is still ok if ((m_PropObserverToNode.size() != m_PropObserverToNode2.size()) || (m_PropObserverToNode2.size() != (this->GetRelevantNodes()->size()-1))) - { - MITK_ERROR << "Wrong number of observers in Level Window Manager!"; - mitkThrow() << "Wrong number of observers in Level Window Manager!"; - } - + {mitkThrow() << "Wrong number of observers in Level Window Manager!";} } void mitk::LevelWindowManager::UpdateObservers() { this->ClearPropObserverLists(); //remove old observers CreatePropObserverLists(); //create new observer lists } int mitk::LevelWindowManager::GetNumberOfObservers() { return m_PropObserverToNode.size(); } mitk::DataStorage* mitk::LevelWindowManager::GetDataStorage() { return m_DataStorage.GetPointer(); } // true if changes on slider or line-edits will affect always the topmost layer image bool mitk::LevelWindowManager::isAutoTopMost() { return m_AutoTopMost; } void mitk::LevelWindowManager::Update(const itk::EventObject&) // visible property of a image has changed { if (m_AutoTopMost) { SetAutoTopMostImage(true); return; } mitk::DataStorage::SetOfObjects::ConstPointer all = this->GetRelevantNodes(); for (mitk::DataStorage::SetOfObjects::ConstIterator it = all->Begin(); it != all->End(); ++it) { mitk::DataNode::Pointer node = it->Value(); if (node.IsNull()) continue; node->SetBoolProperty( "imageForLevelWindow", false ); if (node->IsVisible(NULL) == false) continue; mitk::LevelWindowProperty::Pointer levelWindowProperty = dynamic_cast(node->GetProperty("levelwindow")); if (levelWindowProperty.IsNull()) continue; m_LevelWindowProperty = levelWindowProperty; m_CurrentImage = dynamic_cast(node->GetData()); node->SetBoolProperty( "imageForLevelWindow", true ); if (m_LevelWindowProperty.IsNull() && m_LevelWindowProperty.GetPointer() == levelWindowProperty) // we found our m_LevelWindowProperty { return; } } Modified(); } mitk::DataStorage::SetOfObjects::ConstPointer mitk::LevelWindowManager::GetRelevantNodes() { if (m_DataStorage.IsNull()) return mitk::DataStorage::SetOfObjects::ConstPointer(mitk::DataStorage::SetOfObjects::New()); // return empty set mitk::BoolProperty::Pointer trueProp = mitk::BoolProperty::New(true); mitk::NodePredicateProperty::Pointer notBinary = mitk::NodePredicateProperty::New("binary", mitk::BoolProperty::New(false)); mitk::NodePredicateProperty::Pointer hasLevelWindow = mitk::NodePredicateProperty::New("levelwindow", NULL); mitk::NodePredicateDataType::Pointer isImage = mitk::NodePredicateDataType::New("Image"); mitk::NodePredicateDataType::Pointer isDImage = mitk::NodePredicateDataType::New("DiffusionImage"); mitk::NodePredicateDataType::Pointer isTImage = mitk::NodePredicateDataType::New("TensorImage"); mitk::NodePredicateDataType::Pointer isQImage = mitk::NodePredicateDataType::New("QBallImage"); mitk::NodePredicateOr::Pointer predicateTypes = mitk::NodePredicateOr::New(); predicateTypes->AddPredicate(isImage); predicateTypes->AddPredicate(isDImage); predicateTypes->AddPredicate(isTImage); predicateTypes->AddPredicate(isQImage); mitk::NodePredicateAnd::Pointer predicate = mitk::NodePredicateAnd::New(); predicate->AddPredicate(notBinary); predicate->AddPredicate(hasLevelWindow); predicate->AddPredicate(predicateTypes); mitk::DataStorage::SetOfObjects::ConstPointer relevantNodes = m_DataStorage->GetSubset( predicate ); return relevantNodes; } mitk::Image* mitk::LevelWindowManager::GetCurrentImage() { return m_CurrentImage; } void mitk::LevelWindowManager::ClearPropObserverLists() { for( ObserverToPropertyMap::iterator iter = m_PropObserverToNode.begin(); iter != m_PropObserverToNode.end(); ++iter ) { (*iter).second->RemoveObserver((*iter).first.first); (*iter).second = 0; } m_PropObserverToNode.clear(); for( ObserverToPropertyMap::iterator iter = m_PropObserverToNode2.begin(); iter != m_PropObserverToNode2.end(); ++iter ) { (*iter).second->RemoveObserver((*iter).first.first); (*iter).second = 0; } m_PropObserverToNode2.clear(); } void mitk::LevelWindowManager::CreatePropObserverLists() { if (m_DataStorage.IsNull()) //check if data storage is set {itkExceptionMacro("DataStorage not set");} /* add observers for all relevant nodes */ mitk::DataStorage::SetOfObjects::ConstPointer all = this->GetRelevantNodes(); for (mitk::DataStorage::SetOfObjects::ConstIterator it = all->Begin(); it != all->End(); ++it) { if ((it->Value().IsNull()) || (it->Value() == m_NodeMarkedToDelete)) {continue;} /* register listener for changes in visible property */ itk::ReceptorMemberCommand::Pointer command = itk::ReceptorMemberCommand::New(); command->SetCallbackFunction(this, &LevelWindowManager::Update); unsigned long idx = it->Value()->GetProperty("visible")->AddObserver( itk::ModifiedEvent(), command ); m_PropObserverToNode[PropDataPair(idx, it->Value())] = it->Value()->GetProperty("visible"); } /* add observers for all layer properties*/ for (mitk::DataStorage::SetOfObjects::ConstIterator it = all->Begin(); it != all->End(); ++it) { if ((it->Value().IsNull()) || (it->Value() == m_NodeMarkedToDelete)) {continue;} /* register listener for changes in layer property */ itk::ReceptorMemberCommand::Pointer command2 = itk::ReceptorMemberCommand::New(); command2->SetCallbackFunction(this, &LevelWindowManager::Update); unsigned long idx = it->Value()->GetProperty("layer")->AddObserver( itk::ModifiedEvent(), command2 ); m_PropObserverToNode2[PropDataPair(idx, it->Value())] = it->Value()->GetProperty("layer"); } }