ModelView::AllItemsTreeView Class Reference

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

Inheritance diagram for ModelView::AllItemsTreeView:

Collaboration diagram for ModelView::AllItemsTreeView:

Signals
void	itemSelected (ModelView::SessionItem *)

Public Member Functions
	AllItemsTreeView (SessionModel *model, QWidget *parent=nullptr)
	~AllItemsTreeView () override
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 items of SessionModel.

Definition at line 26 of file allitemstreeview.h.

Constructor & Destructor Documentation

AllItemsTreeView()

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

Definition at line 20 of file allitemstreeview.cpp.

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

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

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~AllItemsTreeView()

ModelView::AllItemsTreeView::~AllItemsTreeView ( )

overridedefault

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 AllItemsTreeView(), ModelView::TopItemsTreeView::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/allitemstreeview.h
• /home/www/ba/mvvm/view/mvvm/widgets/allitemstreeview.cpp