* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
/*****************************************
* general item used in the Tree Model
*****************************************/
/*****************************************
* general item used in the Tree Model
*****************************************/
- AbstractTreeItem(AbstractTreeItem *parent = 0);
- virtual ~AbstractTreeItem();
+ enum TreeItemFlag
+ {
+ NoTreeItemFlag = 0x00,
+ DeleteOnLastChildRemoved = 0x01
+ };
+ Q_DECLARE_FLAGS(TreeItemFlags, TreeItemFlag)
+
+ AbstractTreeItem(AbstractTreeItem* parent = nullptr);
- bool removeChild(int row);
- inline bool removeChild(AbstractTreeItem *child) { return removeChild(child->row()); }
- void removeAllChilds();
+ bool removeChild(int row);
+ inline bool removeChild(AbstractTreeItem* child) { return removeChild(child->row()); }
+ void removeAllChilds();
- virtual QVariant data(int column, int role) const = 0;
- virtual bool setData(int column, const QVariant &value, int role) = 0;
+ virtual int columnCount() const = 0;
- virtual inline Qt::ItemFlags flags() const { return _flags; }
- virtual inline void setFlags(Qt::ItemFlags flags) { _flags = flags; }
+ virtual QVariant data(int column, int role) const = 0;
+ virtual bool setData(int column, const QVariant& value, int role) = 0;
- void dataChanged(int column = -1);
-
- void beginAppendChilds(int firstRow, int lastRow);
- void endAppendChilds();
-
- void beginRemoveChilds(int firstRow, int lastRow);
- void endRemoveChilds();
-
+ void dataChanged(int column = -1);
+
+ void beginAppendChilds(int firstRow, int lastRow);
+ void endAppendChilds();
+
+ void beginRemoveChilds(int firstRow, int lastRow);
+ void endRemoveChilds();
+
+protected:
+ void customEvent(QEvent* event) override;
+
- QList<AbstractTreeItem *> _childItems;
- Qt::ItemFlags _flags;
+ QList<AbstractTreeItem*> _childItems;
+ Qt::ItemFlags _flags{};
+ TreeItemFlags _treeItemFlags{};
+
+ void removeChildLater(AbstractTreeItem* child);
+ inline void checkForDeletion()
+ {
+ if (treeItemFlags() & DeleteOnLastChildRemoved && childCount() == 0)
+ parent()->removeChildLater(this);
+ }
- virtual QVariant data(int column, int role) const;
- virtual bool setData(int column, const QVariant &value, int role);
+ QVariant data(int column, int role) const override;
+ bool setData(int column, const QVariant& value, int role) override;
- virtual ~PropertyMapItem();
-
- virtual QVariant data(int column, int role) const;
- virtual bool setData(int column, const QVariant &value, int role);
+ virtual QStringList propertyOrder() const = 0;
- virtual QString toolTip(int column) const { Q_UNUSED(column) return QString(); }
- virtual int columnCount() const;
-
- void appendProperty(const QString &property);
+ QVariant data(int column, int role) const override;
+ bool setData(int column, const QVariant& value, int role) override;
- enum myRoles {
- SortRole = Qt::UserRole,
- UserRole
- };
+ enum myRoles
+ {
+ SortRole = Qt::UserRole,
+ UserRole
+ };
+
+ TreeModel(const QList<QVariant>&, QObject* parent = nullptr);
+ ~TreeModel() override;
- virtual QVariant data(const QModelIndex &index, int role) const;
- virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
+ QVariant data(const QModelIndex& index, int role) const override;
+ bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole) override;
- virtual Qt::ItemFlags flags(const QModelIndex &index) const;
- QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
-
- QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
- QModelIndex indexByItem(AbstractTreeItem *item) const;
+ Qt::ItemFlags flags(const QModelIndex& index) const override;
+ QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
- QModelIndex parent(const QModelIndex &index) const;
+ QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
+ QModelIndex indexByItem(AbstractTreeItem* item) const;
- void itemDataChanged(int column = -1);
-
- void beginAppendChilds(int firstRow, int lastRow);
- void endAppendChilds();
-
- void beginRemoveChilds(int firstRow, int lastRow);
- void endRemoveChilds();
-
+ void itemDataChanged(int column = -1);
+
+ void beginAppendChilds(int firstRow, int lastRow);
+ void endAppendChilds();
+
+ void beginRemoveChilds(int firstRow, int lastRow);
+ void endRemoveChilds();
+
- void connectItem(AbstractTreeItem *item);
-
- struct ChildStatus {
- QModelIndex parent;
- int childCount;
- int start;
- int end;
- inline ChildStatus(QModelIndex parent_, int cc_, int s_, int e_) : parent(parent_), childCount(cc_), start(s_), end(e_) {};
- };
- ChildStatus _childStatus;
- int _aboutToRemoveOrInsert;
+ void connectItem(AbstractTreeItem* item);
+
+ struct ChildStatus
+ {
+ QModelIndex parent;
+ int childCount;
+ int start;
+ int end;
+ inline ChildStatus(QModelIndex parent_, int cc_, int s_, int e_)
+ : parent(parent_)
+ , childCount(cc_)
+ , start(s_)
+ , end(e_){};
+ };
+ ChildStatus _childStatus;
+ int _aboutToRemoveOrInsert;
- void debug_rowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
- void debug_rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
- void debug_rowsInserted(const QModelIndex &parent, int start, int end);
- void debug_rowsRemoved(const QModelIndex &parent, int start, int end);
- void debug_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
+ void debug_rowsAboutToBeInserted(const QModelIndex& parent, int start, int end);
+ void debug_rowsAboutToBeRemoved(const QModelIndex& parent, int start, int end);
+ void debug_rowsInserted(const QModelIndex& parent, int start, int end);
+ void debug_rowsRemoved(const QModelIndex& parent, int start, int end);
+ void debug_dataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight);