-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
-
-// File: XGUI_DataModel.h
-// Created: 21 Jul 2015
-// Author: Vitaly SMETANNIKOV
-
+// Copyright (C) 2014-2023 CEA, EDF
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
#ifndef XGUI_DataModel_H
#define XGUI_DataModel_H
#include <ModuleBase_Definitions.h>
#include <ModelAPI_Object.h>
#include <ModelAPI_Document.h>
-#include <Config_DataModelReader.h>
-#include <ModuleBase_IDocumentDataModel.h>
#include <Events_Listener.h>
+#include <QAbstractItemModel>
+
+class XGUI_Workshop;
+class ModuleBase_ITreeNode;
/**\class XGUI_DataModel
* \ingroup GUI
* - Non Valid Index - root index
* - An index with internal Id == -1 is a folder of root document
* - An index which contains internal pointer as ModelAPI_Object its the object
- * - An index which contains internal pointer as ModelAPI_Document is a folder which belongs to this document
+ * - An index which contains internal pointer as ModelAPI_Document is
+ * a folder which belongs to this document
*/
-class XGUI_EXPORT XGUI_DataModel : public ModuleBase_IDocumentDataModel, public Events_Listener
+class XGUI_EXPORT XGUI_DataModel : public QAbstractItemModel, public Events_Listener
{
Q_OBJECT
public:
+ /// Constructor
+ /// \param theParent a parent object
XGUI_DataModel(QObject* theParent);
+ /// Destructor
+ virtual ~XGUI_DataModel();
+
+
+ void setRoot(ModuleBase_ITreeNode* theRoot) { myRoot = theRoot; }
+
+ ModuleBase_ITreeNode* root() const { return myRoot; }
+
/// Event Listener method
/// \param theMessage an event message
virtual void processEvent(const std::shared_ptr<Events_Message>& theMessage);
//! Returns index of the object
//! \param theObject object to find
- virtual QModelIndex objectIndex(const ObjectPtr theObject) const;
+ virtual QModelIndex objectIndex(const ObjectPtr theObject, int theColumn = 1) const;
//! Clear internal data
virtual void clear();
//! Rebuild data tree
virtual void rebuildDataTree();
-
/// 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 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
+ /// 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;
/// \param theParent a parent model index
virtual int columnCount(const QModelIndex& theParent = QModelIndex()) const;
- /// Returns the index of the item in the model specified by the given row, column and parent index.
+ /// 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.
+ /// 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;
/// \param theParent a parent model index
virtual bool hasChildren(const QModelIndex& theParent = QModelIndex()) const;
- /// Inserts count rows into the model before the given row.
+ /// 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 theIndex a model index
virtual Qt::ItemFlags flags(const QModelIndex& theIndex) const;
+ /// Returns true if a model can accept a drop of the data (used for drag and drop functionality).
+ virtual bool canDropMimeData(const QMimeData *theData, Qt::DropAction theAction,
+ int theRow, int theColumn, const QModelIndex &theParent) const override;
+
+ /// Converts the dragged items information into mime data format (to be encoded in dropMimeData)
+ virtual QMimeData* mimeData(const QModelIndexList &indexes) const override;
+
+ /// Performs a drag and drop of Part feature operation when it is droped.
+ virtual bool dropMimeData(const QMimeData *theData, Qt::DropAction theAction,
+ int theRow, int theColumn, const QModelIndex &theParent) override;
+
/// Returns an index which is root of the given document
/// \param theDoc a document
- QModelIndex documentRootIndex(DocumentPtr theDoc) const;
+ QModelIndex documentRootIndex(DocumentPtr theDoc, int theColumn = 1) const;
+
+ /// Returns true if the data model item has Hidden visual state
+ /// \param theIndex a tree model item
+ /// \return boolean value
+ bool hasHiddenState(const QModelIndex& theIndex);
+
+ /// Returns true if the given index exists in data tree
+ /// \param theIndex an index to check
+ bool hasIndex(const QModelIndex& theIndex) const;
+
+ /// Returns true if the given node is a parto of the data tree
+ /// \param theNode a node to check
+ bool hasNode(ModuleBase_ITreeNode* theNode) const;
+
+ /// Returns document of the given index
+ /// \param theIndex an index to check
+ DocumentPtr document(const QModelIndex& theIndex) const;
- /// Returns last history object index
- virtual QModelIndex lastHistoryIndex() const;
+ /// Returns index for the node and column
+ /// \param theNode a node
+ /// \param thCol a column
+ QModelIndex getIndex(ModuleBase_ITreeNode* theNode, int thCol) const;
+
+ /// Allows to support drag and drop of some model items
+ virtual Qt::DropActions supportedDropActions() const override
+ {
+ return Qt::MoveAction;
+ }
+
+signals:
+ /// Signal send before tree rebuild
+ void beforeTreeRebuild();
+
+ /// Signal about tree had been rebuilt
+ void treeRebuilt();
private:
- /// Find a root index which contains objects of the given document
- /// \param theDoc the document object
- QModelIndex findDocumentRootIndex(const ModelAPI_Document* theDoc) const;
+ enum VisibilityState {
+ NoneState,
+ Visible,
+ SemiVisible,
+ Hidden };
+
- /// Returns number of folders in document. Considered folders which has to be shown only if they are not empty.
- /// \param theDoc document which has to be checked. If 0 then Root document will be considered
- int foldersCount(ModelAPI_Document* theDoc = 0) const;
+ QModelIndex getParentIndex(ModuleBase_ITreeNode* theNode, int thCol) const;
- /// Retrurns indexes of folders which can not be shown because they are empty
- /// \param theDoc document which has to be checked. If 0 then Root document will be considered
- QIntList missedFolderIndexes(ModelAPI_Document* theDoc = 0) const;
+ void updateSubTree(ModuleBase_ITreeNode* theParent);
- /// Returns list of folders types which can not be shown empty
- /// \param fromRoot - root document flag
- QStringList listOfShowNotEmptyFolders(bool fromRoot = true) const;
+ XGUI_Workshop* myWorkshop;
+ QMap<DocumentPtr, QStringList> myShownFolders;
- Config_DataModelReader myXMLReader;
+ ModuleBase_ITreeNode* myRoot;
};
#endif
\ No newline at end of file