SampleTreeWidget Class Reference

Holds tree to select top level sample items. Part of SampleView. More...

Inheritance diagram for SampleTreeWidget:

Collaboration diagram for SampleTreeWidget:

Public Member Functions
	SampleTreeWidget (QWidget *parent, SampleModel *model)
QTreeView *	treeView ()

Protected Slots
void	addItem (const QString &item_name)
void	deleteItem ()
void	showContextMenu (const QPoint &pnt)

Private Member Functions
QModelIndex	getIndexAtColumnZero (const QModelIndex &index)
void	scrollToIndex (const QModelIndex &index)

Private Attributes
QMap< QString, QAction * >	m_add_action_map
QAction *	m_delete_item_action
SampleModel *	m_sampleModel
ItemTreeView *	m_treeView

Detailed Description

Holds tree to select top level sample items. Part of SampleView.

Definition at line 29 of file SampleTreeWidget.h.

Constructor & Destructor Documentation

SampleTreeWidget()

SampleTreeWidget::SampleTreeWidget	(	QWidget *	parent,
		SampleModel *	model
	)

Definition at line 24 of file SampleTreeWidget.cpp.

    : QWidget(parent), m_treeView(new ItemTreeView), m_sampleModel(model)
{
    setWindowTitle("Sample Tree");
    setObjectName(QLatin1String("SampleTreeWidget"));
 
    auto mainLayout = new QVBoxLayout;
    mainLayout->setMargin(0);
    mainLayout->setSpacing(0);
    mainLayout->setContentsMargins(0, 0, 0, 0);
    mainLayout->addWidget(m_treeView);
    setLayout(mainLayout);
 
    FilterPropertyProxy* proxy = new FilterPropertyProxy(1, parent);
    proxy->setSourceModel(m_sampleModel);
    m_treeView->setModel(proxy);
    m_treeView->setAttribute(Qt::WA_MacShowFocusRect, false);
 
    connect(m_treeView, &ItemTreeView::customContextMenuRequested, this,
            &SampleTreeWidget::showContextMenu);
 
    m_delete_item_action = new QAction("Delete", this);
    m_delete_item_action->setStatusTip("Delete current object");
    connect(m_delete_item_action, &QAction::triggered, this, &SampleTreeWidget::deleteItem);
 
    m_treeView->expandAll();
    connect(m_treeView->model(), &QAbstractItemModel::rowsInserted, this,
            [this]() { m_treeView->expandAll(); });
}

References deleteItem(), m_delete_item_action, m_sampleModel, m_treeView, and showContextMenu().

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Member Function Documentation

addItem

void SampleTreeWidget::addItem ( const QString &  item_name )

protectedslot

Definition at line 93 of file SampleTreeWidget.cpp.

{
    QModelIndex currentIndex = FilterPropertyProxy::toSourceIndex(treeView()->currentIndex());
 
    QModelIndex currentIndexAtColumnZero = getIndexAtColumnZero(currentIndex);
    SessionItem* new_item = m_sampleModel->insertNewItem(item_name, currentIndexAtColumnZero);
    if (new_item) {
        QModelIndex new_index = m_sampleModel->indexOfItem(new_item);
        scrollToIndex(new_index);
    }
}

References getIndexAtColumnZero(), SessionModel::indexOfItem(), SessionModel::insertNewItem(), m_sampleModel, scrollToIndex(), FilterPropertyProxy::toSourceIndex(), and treeView().

Referenced by showContextMenu().

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deleteItem

void SampleTreeWidget::deleteItem ( )

protectedslot

Definition at line 105 of file SampleTreeWidget.cpp.

{
    QModelIndex currentIndex = FilterPropertyProxy::toSourceIndex(treeView()->currentIndex());
 
    if (!currentIndex.isValid())
        return;
    QModelIndex parent_index = m_sampleModel->parent(currentIndex);
    int row = currentIndex.row();
    if (currentIndex.isValid()) {
        m_sampleModel->removeRows(row, 1, parent_index);
    }
}

References m_sampleModel, SessionModel::parent(), SessionModel::removeRows(), FilterPropertyProxy::toSourceIndex(), and treeView().

Referenced by SampleTreeWidget().

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getIndexAtColumnZero()

QModelIndex SampleTreeWidget::getIndexAtColumnZero ( const QModelIndex &  index )

private

Definition at line 125 of file SampleTreeWidget.cpp.

{
    if (index == QModelIndex() || index.column() == 0)
        return index;
    QModelIndex parent_index = m_sampleModel->parent(index);
    return m_sampleModel->index(index.row(), 0, parent_index);
}

References SessionModel::index(), m_sampleModel, and SessionModel::parent().

Referenced by addItem().

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scrollToIndex()

void SampleTreeWidget::scrollToIndex ( const QModelIndex &  index )

private

Definition at line 118 of file SampleTreeWidget.cpp.

{
    if (index.isValid()) {
        treeView()->scrollTo(index);
    }
}

References treeView().

Referenced by addItem().

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showContextMenu

void SampleTreeWidget::showContextMenu ( const QPoint &  pnt )

protectedslot

Definition at line 59 of file SampleTreeWidget.cpp.

{
    QMenu menu;
    QMenu add_menu("Add");
    QVector<QString> addItemNames;
    QModelIndex parent_index = FilterPropertyProxy::toSourceIndex(treeView()->indexAt(pnt));
    treeView()->setCurrentIndex(parent_index);
    if (!parent_index.isValid()) {
        addItemNames = ItemFactory::ValidTopItemTypes().toVector();
    } else {
        addItemNames = m_sampleModel->acceptableDefaultItemTypes(parent_index);
    }
    if (addItemNames.size() > 0) {
        for (QString item_name : addItemNames) {
            QAction* add_action = nullptr;
            if (m_add_action_map.contains(item_name)) {
                add_action = m_add_action_map[item_name];
            } else {
                add_action = new QAction(item_name, this);
                m_add_action_map[item_name] = add_action;
                connect(add_action, &QAction::triggered, [=] { addItem(item_name); });
            }
            add_menu.addAction(add_action);
        }
        menu.addMenu(&add_menu);
    }
    if (parent_index.isValid()) {
        menu.addAction(m_delete_item_action);
    }
    if (!menu.isEmpty()) {
        menu.exec(treeView()->mapToGlobal(pnt));
    }
}

References SessionModel::acceptableDefaultItemTypes(), addItem(), m_add_action_map, m_delete_item_action, m_sampleModel, FilterPropertyProxy::toSourceIndex(), treeView(), and ItemFactory::ValidTopItemTypes().

Referenced by SampleTreeWidget().

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treeView()

QTreeView * SampleTreeWidget::treeView

(

)

Definition at line 54 of file SampleTreeWidget.cpp.

{
    return m_treeView;
}

References m_treeView.

Referenced by addItem(), SampleView::createSubWindows(), deleteItem(), scrollToIndex(), and showContextMenu().

Member Data Documentation

m_add_action_map

QMap<QString, QAction*> SampleTreeWidget::m_add_action_map

private

Definition at line 45 of file SampleTreeWidget.h.

Referenced by showContextMenu().

m_delete_item_action

QAction* SampleTreeWidget::m_delete_item_action

private

Definition at line 46 of file SampleTreeWidget.h.

Referenced by SampleTreeWidget(), and showContextMenu().

m_sampleModel

SampleModel* SampleTreeWidget::m_sampleModel

private

Definition at line 49 of file SampleTreeWidget.h.

Referenced by SampleTreeWidget(), addItem(), deleteItem(), getIndexAtColumnZero(), and showContextMenu().

m_treeView

ItemTreeView* SampleTreeWidget::m_treeView

private

Definition at line 48 of file SampleTreeWidget.h.

Referenced by SampleTreeWidget(), and treeView().

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

• /home/www/ba/GUI/coregui/Views/SampleDesigner/SampleTreeWidget.h
• /home/www/ba/GUI/coregui/Views/SampleDesigner/SampleTreeWidget.cpp