#include <qtreeitemmodel.h>
Public Member Functions | |
QTreeItemModel (QObject *) | |
Default constructor. | |
~QTreeItemModel () | |
destructor | |
int | columnCount (const QModelIndex &parent=QModelIndex()) const |
implements QAbstractItemModel::columnCount() | |
int | rowCount (const QModelIndex &parent=QModelIndex()) const |
implements QAbstractItemModel::rowCount() | |
QModelIndex | index (int row, int col, const QModelIndex &parent=QModelIndex()) const |
implements QAbstractItemModel::index() | |
QModelIndex | parent (const QModelIndex &index) const |
implements QAbstractItemModel::parent() | |
QVariant | data (const QModelIndex &index, int role=Qt::DisplayRole) const |
implements QAbstractItemModel::data() | |
bool | setData (const QModelIndex &index, const QVariant &value, int role=Qt::EditRole) |
implements QAbstractItemModel::setData() | |
QVariant | headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const |
implements QAbstractItemModel::headerData() | |
Qt::ItemFlags | flags (const QModelIndex &) const |
implements QAbstractItemModel::flags() | |
void | addToRootItem (QTreeItem *) |
Add an item to the root. | |
Private Slots | |
void | nodeDeleted (QTreeItemNode *) |
A node was deleted. | |
void | nodeAdded (QTreeItemNode *newchild, QTreeItemNode *childsparent) |
A new node was added. | |
void | addingNode (QTreeItemNode *childsparent) |
A new node is about to be added. | |
void | checkForChanges () |
Private Member Functions | |
QTreeItemNode * | itemFromIndex (const QModelIndex &) const |
QModelIndex | indexFromItem (const QTreeItemNode *) const |
Private Attributes | |
QTreeItemModel_Root * | _roottreeitem |
QTreeItemNode * | _rootitem |
QList< QTreeItemNode * > | _nodesToDelete |
The classes in this module combine the Model-View-Pattern used in Qt with the coolness of trees of QTreeItem.
With this class it is possible to access a tree of NSCore::QTreeItem as a simple model of Qt's Model-View-Pattern. So all the different views can be used.
Usage inside a qobject is like the following:
TreeItemModel* model = new TreeItemModel( this ); model->setRootPath( rootitem ); // Any QTreeItem will do... QTreeWidget* tw = new QTreeWidget( this ); tw->setModel( model );
NSCore::QTreeItemModel::QTreeItemModel | ( | QObject * | ) |
Default constructor.
NSCore::QTreeItemModel::~QTreeItemModel | ( | ) |
destructor
int NSCore::QTreeItemModel::columnCount | ( | const QModelIndex & | parent = QModelIndex() |
) | const |
implements QAbstractItemModel::columnCount()
int NSCore::QTreeItemModel::rowCount | ( | const QModelIndex & | parent = QModelIndex() |
) | const |
implements QAbstractItemModel::rowCount()
QModelIndex NSCore::QTreeItemModel::index | ( | int | row, | |
int | col, | |||
const QModelIndex & | parent = QModelIndex() | |||
) | const |
implements QAbstractItemModel::index()
QModelIndex NSCore::QTreeItemModel::parent | ( | const QModelIndex & | index | ) | const |
implements QAbstractItemModel::parent()
QVariant NSCore::QTreeItemModel::data | ( | const QModelIndex & | index, | |
int | role = Qt::DisplayRole | |||
) | const |
implements QAbstractItemModel::data()
bool NSCore::QTreeItemModel::setData | ( | const QModelIndex & | index, | |
const QVariant & | value, | |||
int | role = Qt::EditRole | |||
) |
implements QAbstractItemModel::setData()
QVariant NSCore::QTreeItemModel::headerData | ( | int | section, | |
Qt::Orientation | orientation, | |||
int | role = Qt::DisplayRole | |||
) | const |
implements QAbstractItemModel::headerData()
Qt::ItemFlags NSCore::QTreeItemModel::flags | ( | const QModelIndex & | ) | const |
implements QAbstractItemModel::flags()
void NSCore::QTreeItemModel::addToRootItem | ( | QTreeItem * | ) |
Add an item to the root.
The added item can be any QTreeItem, even one in the middle of a tree.
void NSCore::QTreeItemModel::nodeDeleted | ( | QTreeItemNode * | ) | [private, slot] |
A node was deleted.
void NSCore::QTreeItemModel::nodeAdded | ( | QTreeItemNode * | newchild, | |
QTreeItemNode * | childsparent | |||
) | [private, slot] |
A new node was added.
void NSCore::QTreeItemModel::addingNode | ( | QTreeItemNode * | childsparent | ) | [private, slot] |
A new node is about to be added.
void NSCore::QTreeItemModel::checkForChanges | ( | ) | [private, slot] |
QTreeItemNode* NSCore::QTreeItemModel::itemFromIndex | ( | const QModelIndex & | ) | const [private] |
QModelIndex NSCore::QTreeItemModel::indexFromItem | ( | const QTreeItemNode * | ) | const [private] |
QTreeItemModel_Root* NSCore::QTreeItemModel::_roottreeitem [private] |
QTreeItemNode* NSCore::QTreeItemModel::_rootitem [private] |
QList<QTreeItemNode*> NSCore::QTreeItemModel::_nodesToDelete [private] |