+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
#ifndef XGUI_DocumentDataModel_H
#define XGUI_DocumentDataModel_H
+#include "XGUI.h"
+#include <ModuleBase_Definitions.h>
+#include <ModelAPI_ResultPart.h>
+
+#include <Events_Listener.h>
+
#include <QAbstractItemModel>
+#include <QList>
class ModelAPI_Document;
+class XGUI_PartModel;
+class XGUI_TopDataModel;
-class XGUI_DocumentDataModel : public QAbstractItemModel
+/**\class XGUI_DocumentDataModel
+ * \ingroup GUI
+ * \brief This is a proxy data model for Object Browser (QTreeView).
+ * It contains several sub-models for generation of each sub-part of data tree.
+ */
+class XGUI_EXPORT XGUI_DocumentDataModel : public QAbstractItemModel, public Events_Listener
{
- Q_OBJECT
-public:
+Q_OBJECT
+ public:
+ /// Constructor
+ /// \param theParent a parent object
XGUI_DocumentDataModel(QObject* theParent);
virtual ~XGUI_DocumentDataModel();
+ /// Event Listener method
+ /// \param theMessage an event message
+ virtual void processEvent(const std::shared_ptr<Events_Message>& theMessage);
+ /// Returns the data stored under the given role for the item referred to by the index.
+ /// \param theIndex a model index
+ /// \param theRole a data role (see Qt::ItemDataRole)
virtual QVariant data(const QModelIndex& theIndex, int theRole) const;
- virtual QVariant headerData(int section, Qt::Orientation orientation,
- int role = Qt::DisplayRole) const;
- virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
- virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;
+ /// Returns the data for the given role and section in the header with the specified orientation.
+ /// \param theSection a section
+ /// \param theOrient an orientation
+ /// \param theRole a data role (see Qt::ItemDataRole)
+ virtual QVariant headerData(int theSection, Qt::Orientation theOrient, int theRole =
+ Qt::DisplayRole) const;
+
+ /// Returns the number of rows under the given parent. When the parent is valid it means that
+ /// rowCount is returning the number of children of parent.
+ /// \param theParent a parent model index
+ virtual int rowCount(const QModelIndex& theParent = QModelIndex()) const;
- virtual QModelIndex index(int theRow, int theColumn,
- const QModelIndex &parent = QModelIndex()) const;
+ /// Returns the number of columns for the children of the given parent.
+ /// It has a one column
+ /// \param theParent a parent model index
+ virtual int columnCount(const QModelIndex& theParent = QModelIndex()) const;
- virtual QModelIndex parent(const QModelIndex &index) const;
+ /// Returns the index of the item in the model specified by the given row, column and parent index.
+ /// \param theRow a row
+ /// \param theColumn a column
+ /// \param theParent a parent model index
+ virtual QModelIndex index(int theRow, int theColumn, const QModelIndex &theParent =
+ QModelIndex()) const;
+ /// Returns the parent of the model item with the given index.
+ /// If the item has no parent, an invalid QModelIndex is returned.
+ /// \param theIndex a model index
+ virtual QModelIndex parent(const QModelIndex& theIndex) const;
+
+ /// Returns true if parent has any children; otherwise returns false.
+ /// \param theParent a parent model index
virtual bool hasChildren(const QModelIndex& theParent = QModelIndex()) const;
-private:
- //std::shared_ptr<ModelAPI_Feature> myRoot;
- short myParamsFolder;
- short myConstructFolder;
+ /// Inserts count rows into the model before the given row.
+ /// Items in the new row will be children of the item represented by the parent model index.
+ /// \param theRow a start row
+ /// \param theCount a nember of rows to insert
+ /// \param theParent a parent model index
+ bool insertRows(int theRow, int theCount, const QModelIndex& theParent = QModelIndex());
+
+ /// Removes count rows starting with the given row under parent parent from the model.
+ /// \param theRow a start row
+ /// \param theCount a nember of rows to remove
+ /// \param theParent a parent model index
+ bool removeRows(int theRow, int theCount, const QModelIndex& theParent = QModelIndex());
+
+ /// Returns the item flags for the given index.
+ /// \param theIndex a model index
+ Qt::ItemFlags flags(const QModelIndex& theIndex) const;
+
+ //! Returns an object by the given Model index.
+ //! Returns 0 if the given index is not index of an object
+ ObjectPtr object(const QModelIndex& theIndex) const;
+
+ //! Returns index of the object
+ //! \param theObject object to find
+ QModelIndex objectIndex(const ObjectPtr theObject) const;
+
+ //! Returns QModelIndex which corresponds to the given part
+ //! If the object is not found then index is not valid
+ //! \param thePart a part for analysis
+ QModelIndex partIndex(const ResultPartPtr& thePart) const;
+
+ //! Activates a part data model if the index is a Part node index.
+ //! Returns true if active part changed.
+ //! \param theIndex a model index
+ bool activatedIndex(const QModelIndex& theIndex);
+
+ //! Retrurns active part
+ ResultPartPtr activePart() const;
+
+ //! Retrurns QModelIndex of active part
+ QModelIndex activePartIndex() const
+ {
+ return myActivePartIndex;
+ }
+
+ //! Deactivates a Part
+ void deactivatePart();
+
+ //! Rebuild data tree
+ void rebuildDataTree();
+
+ //! Clear internal data
+ void clear();
+
+
+ private:
+
+ enum
+ {
+ PartsFolder,
+ HistoryNode
+ };
+
+ //! Converts QModelIndex of this model to QModelIndex of a one of sub-models.
+ QModelIndex* toSourceModelIndex(const QModelIndex& theProxy) const;
+
+ //! Finds a pointer on QModelIndex which is equal to the given one
+ QModelIndex* findModelIndex(const QModelIndex& theIndex) const;
+
+ //! Returns pointer on QModelIndex which is equal to the given one.
+ QModelIndex* getModelIndex(const QModelIndex& theIndex) const;
+
+ //! Deletes all saved pointers on QModelIndex objects.
+ void clearModelIndexes();
+
+ //! Deletes all saved pointers on QModelIndex objects.
+ void clearSubModels();
+
+ //! Removes sub-model on removing a part object. Also it removes QModelIndex-es which refer to this model
+ void removeSubModel(int theModelId);
+
+ //! Returns true if the given model is a one of sub-models (of both types)
+ bool isSubModel(const QAbstractItemModel* theModel) const;
+
+ //! Returns true if the given model is a one of sub-models of Part type
+ bool isPartSubModel(const QAbstractItemModel* theModel) const;
+
+ //! Returns Parts Folder node
+ QModelIndex partFolderNode() const;
+
+ int historyOffset() const;
+
+ //! Data model of top part of data tree (not parts object)
+ XGUI_TopDataModel* myModel;
+
+ //! Data models for Parts data tree representation (one data model per a one part)
+ QList<XGUI_PartModel*> myPartModels;
+
+ //! Active part in part editing mode
+ XGUI_PartModel* myActivePart;
+
+ QModelIndex myActivePartIndex;
+
+ //! List of saved QModelIndexes created by sub-models
+ QList<QModelIndex*> myIndexes;
- std::shared_ptr<ModelAPI_Document> myDocument;
};
-#endif
\ No newline at end of file
+#endif
