Listens MaterialModel for changes in MaterialItems and then updates MaterialProperties in all related items in SampleModel. More...

Inheritance diagram for MaterialPropertyController:

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Collaboration diagram for MaterialPropertyController:

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Public Slots
void	onMaterialModelLoad ()
	Special case when original MaterialModel was fully rebuild from MaterialEditor. More...

Public Member Functions
	MaterialPropertyController (QObject *parent=nullptr)

void	setModels (MaterialModel materialModel, SampleModel sampleModel)

Private Slots
void	onMaterialDataChanged (const QModelIndex &topLeft, const QModelIndex &, const QVector< int > &)
	On MaterialItem change: updates corresponding MaterialProperty in sample items. More...

void	onMaterialRowsAboutToBeRemoved (const QModelIndex &parent, int first, int last)
	On MaterialItem removal: updates corresponding MaterialProperty in sample items. More...

Private Member Functions
QVector< SessionItem * >	relatedSampleItems ()
	Returns vector of SessionItems having MaterialProperty on board. More...

Private Attributes
MaterialModel *	m_materialModel

SampleModel *	m_sampleModel

Detailed Description

Listens MaterialModel for changes in MaterialItems and then updates MaterialProperties in all related items in SampleModel.

Definition at line 27 of file MaterialPropertyController.h.

Constructor & Destructor Documentation

◆ MaterialPropertyController()

MaterialPropertyController::MaterialPropertyController ( QObject * parent = nullptr )

Definition at line 23 of file MaterialPropertyController.cpp.

     : QObject(parent), m_materialModel(nullptr), m_sampleModel(nullptr)
 {
 }

Member Function Documentation

◆ onMaterialDataChanged

void MaterialPropertyController::onMaterialDataChanged	(	const QModelIndex &	topLeft,
		const QModelIndex &	,
		const QVector< int > &
	)

privateslot

On MaterialItem change: updates corresponding MaterialProperty in sample items.

Definition at line 66 of file MaterialPropertyController.cpp.

 {
     auto changedItem = m_materialModel->itemForIndex(topLeft);
     if (auto materialItem =
             dynamic_cast<const MaterialItem*>(ModelPath::ancestor(changedItem, "Material"))) {
  
         for (auto sampleItem : relatedSampleItems()) {
             QString tag = MaterialItemUtils::materialTag(*sampleItem);
             ASSERT(!tag.isEmpty());
  
             ExternalProperty property = sampleItem->getItemValue(tag).value<ExternalProperty>();
             if (property.identifier() == materialItem->identifier()) {
                 ExternalProperty new_property = MaterialItemUtils::materialProperty(*materialItem);
                 sampleItem->setItemValue(tag, new_property.variant());
             }
         }
     }
 }

References ModelPath::ancestor(), ASSERT, SessionModel::itemForIndex(), m_materialModel, MaterialItemUtils::materialProperty(), MaterialItemUtils::materialTag(), relatedSampleItems(), and ExternalProperty::variant().

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◆ onMaterialModelLoad

void MaterialPropertyController::onMaterialModelLoad ( )

slot

Special case when original MaterialModel was fully rebuild from MaterialEditor.

Full update of MaterialProperties.

Definition at line 46 of file MaterialPropertyController.cpp.

 {
     for (auto sampleItem : relatedSampleItems()) {
         QString tag = MaterialItemUtils::materialTag(*sampleItem);
         ASSERT(!tag.isEmpty());
  
         ExternalProperty property = sampleItem->getItemValue(tag).value<ExternalProperty>();
         if (MaterialItem* material =
                 m_materialModel->materialFromIdentifier(property.identifier())) {
             ExternalProperty new_property = MaterialItemUtils::materialProperty(*material);
             sampleItem->setItemValue(tag, new_property.variant());
         } else {
             ExternalProperty undefined;
             sampleItem->setItemValue(tag, undefined.variant());
         }
     }
 }

References ASSERT, m_materialModel, MaterialModel::materialFromIdentifier(), MaterialItemUtils::materialProperty(), MaterialItemUtils::materialTag(), relatedSampleItems(), and ExternalProperty::variant().

Referenced by ApplicationModels::readFrom(), and setModels().

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◆ onMaterialRowsAboutToBeRemoved

void MaterialPropertyController::onMaterialRowsAboutToBeRemoved	(	const QModelIndex &	parent,
		int	first,
		int	last
	)

privateslot

On MaterialItem removal: updates corresponding MaterialProperty in sample items.

Definition at line 88 of file MaterialPropertyController.cpp.

 {
     // looking for top level items (MaterialItems)
     if (parent.isValid())
         return;
  
     // Building list of material identifiers which will be deleted
     QStringList identifiersToDelete;
     for (int i_row = first; i_row <= last; ++i_row) {
         QModelIndex changed = m_materialModel->index(i_row, 0, parent);
         if (auto material = dynamic_cast<MaterialItem*>(m_materialModel->itemForIndex(changed)))
             identifiersToDelete.push_back(material->identifier());
     }
  
     // rewriting MaterialProperty in corresponding sample items
     for (auto sampleItem : relatedSampleItems()) {
         QString tag = MaterialItemUtils::materialTag(*sampleItem);
         ASSERT(!tag.isEmpty());
  
         ExternalProperty property = sampleItem->getItemValue(tag).value<ExternalProperty>();
         if (identifiersToDelete.contains(property.identifier())) {
             ExternalProperty undefined;
             sampleItem->setItemValue(tag, undefined.variant());
         }
     }
 }

References ASSERT, SessionModel::index(), SessionModel::itemForIndex(), m_materialModel, MaterialItemUtils::materialTag(), relatedSampleItems(), and ExternalProperty::variant().

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◆ relatedSampleItems()

QVector< SessionItem * > MaterialPropertyController::relatedSampleItems ( )

private

Returns vector of SessionItems having MaterialProperty on board.

Definition at line 118 of file MaterialPropertyController.cpp.

 {
     static QStringList materialRelated = MaterialItemUtils::materialRelatedModelTypes();
  
     QVector<SessionItem*> result;
     ModelUtils::iterate(QModelIndex(), m_sampleModel, [&](const QModelIndex& index) {
         if (index.column() != 0)
             return;
  
         if (SessionItem* item = m_sampleModel->itemForIndex(index))
             if (materialRelated.contains(item->modelType()))
                 result.push_back(item);
     });
  
     return result;
 }

References SessionModel::itemForIndex(), ModelUtils::iterate(), m_sampleModel, and MaterialItemUtils::materialRelatedModelTypes().

Referenced by onMaterialDataChanged(), onMaterialModelLoad(), and onMaterialRowsAboutToBeRemoved().

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◆ setModels()

void MaterialPropertyController::setModels	(	MaterialModel *	materialModel,
		SampleModel *	sampleModel
	)

Definition at line 28 of file MaterialPropertyController.cpp.

 {
     m_materialModel = materialModel;
     m_sampleModel = sampleModel;
  
     //    connect(m_materialModel, &MaterialModel::dataChanged, this,
     //            &MaterialPropertyController::onMaterialDataChanged);
  
     //    connect(m_materialModel, &MaterialModel::rowsAboutToBeRemoved, this,
     //            &MaterialPropertyController::onMaterialRowsAboutToBeRemoved);
  
     connect(m_materialModel, &MaterialModel::modelLoaded, this,
             &MaterialPropertyController::onMaterialModelLoad);
 }