ComponentTreeView Class Reference

Component property tree for SessionItems. More...

Inheritance diagram for ComponentTreeView:

Collaboration diagram for ComponentTreeView:

Public Member Functions
	ComponentTreeView (QWidget *parent=nullptr)
	~ComponentTreeView ()
virtual void	addItem (SessionItem *)
void	clearEditor ()
void	setItem (SessionItem *item)
void	setShowHeader (bool show)
void	setShowRootItem (bool show)

Private Slots
void	onCustomContextMenuRequested (const QPoint &pos)

Private Member Functions
void	setModel (SessionModel *model)
void	setRootIndex (const QModelIndex &index, bool show_root_item=true)

Private Attributes
ComponentTreeActions *	m_actions
SessionModelDelegate *	m_delegate
std::unique_ptr< RightMouseButtonEater >	m_eventFilter
QStandardItemModel *	m_placeHolderModel
ComponentProxyModel *	m_proxyModel
bool	m_show_root_item
	Tree will starts from item itself, if true. More...
QTreeView *	m_tree

Detailed Description

Component property tree for SessionItems.

Shows only PropertyItems and current items of GroupProperties.

Definition at line 34 of file ComponentTreeView.h.

Constructor & Destructor Documentation

ComponentTreeView()

ComponentTreeView::ComponentTreeView

(

QWidget *

parent = nullptr

)

Definition at line 26 of file ComponentTreeView.cpp.

    : ComponentView(parent)
    , m_tree(new QTreeView)
    , m_delegate(new SessionModelDelegate(this))
    , m_proxyModel(new ComponentProxyModel(this))
    , m_placeHolderModel(new QStandardItemModel(this))
    , m_eventFilter(new RightMouseButtonEater)
    , m_actions(new ComponentTreeActions(this))
    , m_show_root_item(false)
{
    auto layout = new QVBoxLayout;
 
    layout->setMargin(0);
    layout->setSpacing(0);
    layout->addWidget(m_tree);
 
    setLayout(layout);
 
    QStringList labels = {"Name", "Value"};
    m_placeHolderModel->setHorizontalHeaderLabels(labels);
 
    StyleUtils::setPropertyStyle(m_tree);
    m_tree->setRootIsDecorated(false);
    m_tree->setModel(m_placeHolderModel);
    m_tree->setItemDelegate(m_delegate);
 
    // provide one click editing, but still keeping custom context menu alive
    m_tree->setEditTriggers(QAbstractItemView::AllEditTriggers);
    m_tree->viewport()->installEventFilter(m_eventFilter.get());
 
    // custom context menu setup
    m_tree->setContextMenuPolicy(Qt::CustomContextMenu);
    connect(m_tree, &QTreeView::customContextMenuRequested, this,
            &ComponentTreeView::onCustomContextMenuRequested);
}

References m_delegate, m_eventFilter, m_placeHolderModel, m_tree, onCustomContextMenuRequested(), and StyleUtils::setPropertyStyle().

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~ComponentTreeView()

ComponentTreeView::~ComponentTreeView ( )

default

Member Function Documentation

addItem()

virtual void ComponentView::addItem ( SessionItem *  )

inlinevirtualinherited

Reimplemented in ComponentFlatView.

Definition at line 31 of file ComponentView.h.

{}

Referenced by ComponentEditor::addItem().

clearEditor()

void ComponentTreeView::clearEditor ( )

virtual

Implements ComponentView.

Definition at line 75 of file ComponentTreeView.cpp.

{
    m_tree->setModel(m_placeHolderModel);
}

References m_placeHolderModel, and m_tree.

onCustomContextMenuRequested

void ComponentTreeView::onCustomContextMenuRequested ( const QPoint &  pos )

privateslot

Definition at line 109 of file ComponentTreeView.cpp.

{
    auto point = m_tree->mapToGlobal(pos);
    auto treeIndex = m_tree->indexAt(pos);
    if (!treeIndex.isValid())
        return;
 
    auto index = m_proxyModel->mapToSource(treeIndex);
 
    SessionItem* item = static_cast<SessionItem*>(index.internalPointer());
    if (item->value().type() != QVariant::Double)
        return;
 
    m_actions->onCustomContextMenuRequested(point, *item);
}

References m_actions, m_proxyModel, m_tree, ComponentProxyModel::mapToSource(), ComponentTreeActions::onCustomContextMenuRequested(), and SessionItem::value().

Referenced by ComponentTreeView().

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setItem()

void ComponentTreeView::setItem ( SessionItem *  item )

virtual

Implements ComponentView.

Definition at line 64 of file ComponentTreeView.cpp.

{
    if (!item) {
        setModel(nullptr);
        return;
    }
    setModel(item->model());
    setRootIndex(item->index(), m_show_root_item);
    m_tree->expandAll();
}

References SessionItem::index(), m_show_root_item, m_tree, SessionItem::model(), setModel(), and setRootIndex().

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setModel()

void ComponentTreeView::setModel ( SessionModel *  model )

private

Definition at line 80 of file ComponentTreeView.cpp.

{
    m_proxyModel->setSessionModel(model);
    if (model)
        m_tree->setModel(m_proxyModel);
    else
        m_tree->setModel(m_placeHolderModel);
}

References m_placeHolderModel, m_proxyModel, m_tree, and ComponentProxyModel::setSessionModel().

Referenced by setItem().

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setRootIndex()

void ComponentTreeView::setRootIndex ( const QModelIndex &  index, bool  show_root_item = true  )

private

Definition at line 89 of file ComponentTreeView.cpp.

{
    if (QWidget* editor = m_tree->indexWidget(m_tree->currentIndex()))
        m_delegate->closeEditor(editor, QAbstractItemDelegate::NoHint);
    ASSERT(m_proxyModel);
    m_proxyModel->setRootIndex(index);
    if (!show_root_item)
        m_tree->setRootIndex(m_proxyModel->mapFromSource(index));
}

References ASSERT, m_delegate, m_proxyModel, m_tree, ComponentProxyModel::mapFromSource(), and ComponentProxyModel::setRootIndex().

Referenced by setItem().

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setShowHeader()

void ComponentTreeView::setShowHeader

(

bool

show

)

Definition at line 99 of file ComponentTreeView.cpp.

{
    m_tree->setHeaderHidden(!show);
}

References m_tree.

Referenced by ComponentEditor::createComponentView().

setShowRootItem()

void ComponentTreeView::setShowRootItem

(

bool

show

)

Definition at line 104 of file ComponentTreeView.cpp.

{
    m_show_root_item = show;
}

References m_show_root_item.

Member Data Documentation

m_actions

ComponentTreeActions* ComponentTreeView::m_actions

private

Definition at line 58 of file ComponentTreeView.h.

Referenced by onCustomContextMenuRequested().

m_delegate

SessionModelDelegate* ComponentTreeView::m_delegate

private

Definition at line 54 of file ComponentTreeView.h.

Referenced by ComponentTreeView(), and setRootIndex().

m_eventFilter

std::unique_ptr<RightMouseButtonEater> ComponentTreeView::m_eventFilter

private

Definition at line 57 of file ComponentTreeView.h.

Referenced by ComponentTreeView().

m_placeHolderModel

QStandardItemModel* ComponentTreeView::m_placeHolderModel

private

Definition at line 56 of file ComponentTreeView.h.

Referenced by ComponentTreeView(), clearEditor(), and setModel().

m_proxyModel

ComponentProxyModel* ComponentTreeView::m_proxyModel

private

Definition at line 55 of file ComponentTreeView.h.

Referenced by onCustomContextMenuRequested(), setModel(), and setRootIndex().

m_show_root_item

bool ComponentTreeView::m_show_root_item

private

Tree will starts from item itself, if true.

Definition at line 59 of file ComponentTreeView.h.

Referenced by setItem(), and setShowRootItem().

m_tree

QTreeView* ComponentTreeView::m_tree

private

Definition at line 53 of file ComponentTreeView.h.

Referenced by ComponentTreeView(), clearEditor(), onCustomContextMenuRequested(), setItem(), setModel(), setRootIndex(), and setShowHeader().

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

• /home/www/ba/GUI/coregui/Views/PropertyEditor/ComponentTreeView.h
• /home/www/ba/GUI/coregui/Views/PropertyEditor/ComponentTreeView.cpp