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#ifndef DIRECTORY_NODE_HPP__
#define DIRECTORY_NODE_HPP__
#include <QTreeWidgetItem>
#include <QString>
//
// Tree widget item representing a file system directory.
//
// It renders the directory name in the first column and progress
// information in the 2nd column. The progress information consists of
// two 64 bit integer values, the 1st in the DisplayRole is the number
// of bytes received and the 2nd in the UserRole the total bytes
// expected. The progress information is not automatically
// maintained, see the Directory class for an example of how to
// dynamically maintain the DirectoryNode progress values. The 1st
// column also renders a tristate check box that controls the first
// column check boxes of child items.
//
class DirectoryNode final
: public QTreeWidgetItem
{
public:
explicit DirectoryNode (QTreeWidgetItem * parent, QString const& name)
: QTreeWidgetItem {parent, Type}
{
setFlags (flags () | Qt::ItemIsUserCheckable | Qt::ItemIsTristate);
setText (0, name);
setCheckState (0, Qt::Unchecked);
// initialize as empty, the owning QTreeWidget must maintain these
// progress values
setData (1, Qt::DisplayRole, 0ll); // progress in bytes
setData (1, Qt::UserRole, 0ll); // expected bytes
}
bool operator == (QString const& name) const
{
return name == text (0);
}
static int constexpr Type {UserType};
};
inline
bool operator == (QString const& lhs, DirectoryNode const& rhs)
{
return rhs == lhs;
}
#endif
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