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** This file is part of the demonstration applications of the Qt Toolkit.
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module edittreeview;


import qt.gui.QTreeView;
import qt.gui.QKeyEvent;


class EditTreeView : public QTreeView
{
public:

	this(QWidget parent = null)
	{
		super(parent);
	}
	
	void keyPressEvent(QKeyEvent event)
	{
		if ((event.key() == Qt.Key_Delete || event.key() == Qt.Key_Backspace) && model()) {
			removeOne();
		} else {
			QAbstractItemView.keyPressEvent(event);
		}
	}

public:

	void removeOne()
	{
		if (!model())
			return;
		QModelIndex ci = currentIndex();
		int row = ci.row();
		model().removeRow(row, ci.parent());
	}

	void removeAll()
	{
		if (!model())
			return;
		model().removeRows(0, model().rowCount(rootIndex()), rootIndex());
	}
}