ModelView::TopItemsTreeView Class Reference

Widget holding standard QTreeView and intended for displaying all top level items of SessionModel. More...

Inheritance diagram for ModelView::TopItemsTreeView:

Collaboration diagram for ModelView::TopItemsTreeView:

Signals
void	itemSelected (ModelView::SessionItem *)

Public Member Functions
	TopItemsTreeView (SessionModel *model, QWidget *parent=nullptr)
	~TopItemsTreeView ()
void	setRootSessionItem (SessionItem *item)
void	setSelected (SessionItem *item)
	Make given item selected in QTreeView. More...
void	setViewModel (std::unique_ptr< ViewModel > viewModel)
void	setViewModelDelegate (std::unique_ptr< ViewModelDelegate > delegate)
QTreeView *	treeView ()
ViewModel *	viewModel () const

Private Slots
void	onSelectionChanged (const QItemSelection &, const QItemSelection &)
	Processes selections in QTreeView. More...

Private Member Functions
QItemSelectionModel *	selectionModel ()
void	set_connected (bool flag)

Private Attributes
bool	m_block_selection
std::unique_ptr< ViewModelDelegate >	m_delegate
QTreeView *	m_treeView {nullptr}
std::unique_ptr< ViewModel >	m_viewModel

Detailed Description

Widget holding standard QTreeView and intended for displaying all top level items of SessionModel.

All property items (i.e. "thickness", "color" etc) will be filtered out, top level items (i.e. Layer, MultiLayer, ...) will be presented as simple parent/child tree.

Definition at line 30 of file topitemstreeview.h.

Constructor & Destructor Documentation

TopItemsTreeView()

ModelView::TopItemsTreeView::TopItemsTreeView	(	SessionModel *	model,
		QWidget *	parent = nullptr
	)

Definition at line 20 of file topitemstreeview.cpp.

                                                                       : ItemsTreeView(parent)
{
    setViewModel(Factory::CreateTopItemsViewModel(model));
}

References ModelView::Factory::CreateTopItemsViewModel(), and ModelView::ItemsTreeView::setViewModel().

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~TopItemsTreeView()

ModelView::TopItemsTreeView::~TopItemsTreeView ( )

default

Member Function Documentation

itemSelected

void ModelView::ItemsTreeView::itemSelected ( ModelView::SessionItem *  )

signalinherited

Referenced by ModelView::ItemsTreeView::onSelectionChanged().

onSelectionChanged

void ItemsTreeView::onSelectionChanged ( const QItemSelection &  , const QItemSelection &    )

privateslotinherited

Processes selections in QTreeView.

Finds SessionItem corresponding to selected indexes and emit itemSelected signal.

Definition at line 79 of file itemstreeview.cpp.

{
    if (m_block_selection)
        return;
 
    auto indexes = m_treeView->selectionModel()->selectedIndexes();
    if (!indexes.empty()) {
        auto item = m_viewModel->sessionItemFromIndex(indexes.at(0));
        m_block_selection = true;
        itemSelected(item);
        m_block_selection = false;
    }
}

References ModelView::ItemsTreeView::itemSelected(), ModelView::ItemsTreeView::m_block_selection, ModelView::ItemsTreeView::m_treeView, and ModelView::ItemsTreeView::m_viewModel.

Referenced by ModelView::ItemsTreeView::set_connected().

selectionModel()

QItemSelectionModel * ItemsTreeView::selectionModel ( )

privateinherited

Definition at line 110 of file itemstreeview.cpp.

{
    return m_treeView->selectionModel();
}

References ModelView::ItemsTreeView::m_treeView.

Referenced by ModelView::ItemsTreeView::set_connected(), and ModelView::ItemsTreeView::setSelected().

set_connected()

void ItemsTreeView::set_connected ( bool  flag )

privateinherited

Definition at line 93 of file itemstreeview.cpp.

{
    Q_ASSERT(selectionModel());
 
    if (flag)
        connect(selectionModel(), &QItemSelectionModel::selectionChanged, this,
                &ItemsTreeView::onSelectionChanged);
    else
        disconnect(selectionModel(), &QItemSelectionModel::selectionChanged, this,
                   &ItemsTreeView::onSelectionChanged);
}

References ModelView::ItemsTreeView::onSelectionChanged(), and ModelView::ItemsTreeView::selectionModel().

Referenced by ModelView::ItemsTreeView::setViewModel().

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setRootSessionItem()

void ItemsTreeView::setRootSessionItem ( SessionItem *  item )

inherited

Definition at line 65 of file itemstreeview.cpp.

{
    m_viewModel->setRootSessionItem(item);
    m_treeView->expandAll();
}

References ModelView::ItemsTreeView::m_treeView, and ModelView::ItemsTreeView::m_viewModel.

setSelected()

void ItemsTreeView::setSelected ( SessionItem *  item )

inherited

Make given item selected in QTreeView.

Definition at line 55 of file itemstreeview.cpp.

{
    if (!m_viewModel)
        return;
 
    auto indexes = m_viewModel->indexOfSessionItem(item);
    if (!indexes.empty())
        selectionModel()->select(indexes.at(0), QItemSelectionModel::SelectCurrent);
}

References ModelView::ItemsTreeView::m_viewModel, and ModelView::ItemsTreeView::selectionModel().

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setViewModel()

void ItemsTreeView::setViewModel ( std::unique_ptr< ViewModel >  viewModel )

inherited

Definition at line 38 of file itemstreeview.cpp.

{
    m_viewModel = std::move(viewModel);
    m_treeView->setItemDelegate(m_delegate.get());
    m_treeView->setModel(m_viewModel.get());
    m_treeView->expandAll();
    m_treeView->resizeColumnToContents(0);
    set_connected(true);
}

References ModelView::ItemsTreeView::m_delegate, ModelView::ItemsTreeView::m_treeView, ModelView::ItemsTreeView::m_viewModel, ModelView::ItemsTreeView::set_connected(), and ModelView::ItemsTreeView::viewModel().

Referenced by ModelView::AllItemsTreeView::AllItemsTreeView(), TopItemsTreeView(), and ModelView::PropertyTreeView::setItem().

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setViewModelDelegate()

void ItemsTreeView::setViewModelDelegate ( std::unique_ptr< ViewModelDelegate >  delegate )

inherited

Definition at line 48 of file itemstreeview.cpp.

{
    m_delegate = std::move(delegate);
}

References ModelView::ItemsTreeView::m_delegate.

Referenced by gui2::InstrumentPropertyEditor::setModels().

treeView()

QTreeView * ItemsTreeView::treeView ( )

inherited

Definition at line 105 of file itemstreeview.cpp.

{
    return m_treeView;
}

References ModelView::ItemsTreeView::m_treeView.

Referenced by ModelView::PropertyTreeView::PropertyTreeView(), ModelView::PropertyTreeView::setItem(), and gui2::InstrumentPropertyEditor::setModels().

viewModel()

ViewModel * ItemsTreeView::viewModel ( ) const

inherited

Definition at line 71 of file itemstreeview.cpp.

{
    return m_viewModel.get();
}

References ModelView::ItemsTreeView::m_viewModel.

Referenced by ModelView::PropertyTreeView::setItem(), and ModelView::ItemsTreeView::setViewModel().

Member Data Documentation

m_block_selection

bool ModelView::ItemsTreeView::m_block_selection

privateinherited

Definition at line 68 of file itemstreeview.h.

Referenced by ModelView::ItemsTreeView::onSelectionChanged().

m_delegate

std::unique_ptr<ViewModelDelegate> ModelView::ItemsTreeView::m_delegate

privateinherited

Definition at line 67 of file itemstreeview.h.

Referenced by ModelView::ItemsTreeView::setViewModel(), and ModelView::ItemsTreeView::setViewModelDelegate().

m_treeView

QTreeView* ModelView::ItemsTreeView::m_treeView {nullptr}

privateinherited

Definition at line 65 of file itemstreeview.h.

Referenced by ModelView::ItemsTreeView::ItemsTreeView(), ModelView::ItemsTreeView::onSelectionChanged(), ModelView::ItemsTreeView::selectionModel(), ModelView::ItemsTreeView::setRootSessionItem(), ModelView::ItemsTreeView::setViewModel(), and ModelView::ItemsTreeView::treeView().

m_viewModel

std::unique_ptr<ViewModel> ModelView::ItemsTreeView::m_viewModel

privateinherited

Definition at line 66 of file itemstreeview.h.

Referenced by ModelView::ItemsTreeView::onSelectionChanged(), ModelView::ItemsTreeView::setRootSessionItem(), ModelView::ItemsTreeView::setSelected(), ModelView::ItemsTreeView::setViewModel(), and ModelView::ItemsTreeView::viewModel().

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

• /home/www/ba/mvvm/view/mvvm/widgets/topitemstreeview.h
• /home/www/ba/mvvm/view/mvvm/widgets/topitemstreeview.cpp