ModelView::PropertyTreeView Class Reference

Widget holding standard QTreeView and intended for displaying all properties of given SessionItem. More...

Inheritance diagram for ModelView::PropertyTreeView:

Collaboration diagram for ModelView::PropertyTreeView:

Signals
void	itemSelected (ModelView::SessionItem *)

Public Member Functions
	PropertyTreeView (QWidget *parent=nullptr)
	~PropertyTreeView ()
void	setItem (SessionItem *item)
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 properties of given SessionItem.

Definition at line 25 of file propertytreeview.h.

Constructor & Destructor Documentation

PropertyTreeView()

PropertyTreeView::PropertyTreeView

(

QWidget *

parent = nullptr

)

Definition at line 23 of file propertytreeview.cpp.

                                                  : ItemsTreeView(parent)
{
    treeView()->setHeaderHidden(false);
    // provide one click editing
    treeView()->setEditTriggers(QAbstractItemView::AllEditTriggers);
    treeView()->setAlternatingRowColors(true);
}

References ModelView::ItemsTreeView::treeView().

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~PropertyTreeView()

PropertyTreeView::~PropertyTreeView ( )

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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setItem()

void PropertyTreeView::setItem

(

SessionItem *

item

)

Definition at line 31 of file propertytreeview.cpp.

{
    if (!item) {
        treeView()->setModel(nullptr);
        return;
    }
 
    setViewModel(Factory::CreatePropertyViewModel(item->model()));
    viewModel()->setRootSessionItem(item);
    treeView()->setRootIsDecorated(false);
    treeView()->expandAll();
}

References ModelView::Factory::CreatePropertyViewModel(), ModelView::SessionItem::model(), ModelView::ViewModel::setRootSessionItem(), ModelView::ItemsTreeView::setViewModel(), ModelView::ItemsTreeView::treeView(), and ModelView::ItemsTreeView::viewModel().

Referenced by gui2::DataSelectorWidget::onSelectionChanged(), and gui2::InstrumentPropertyEditor::setModels().

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