Issue #3120: Show Empty panel if selection doesn't contain a shape

[modules/shaper.git] / src / XGUI / XGUI_ObjectsBrowser.h

diff --git a/src/XGUI/XGUI_ObjectsBrowser.h b/src/XGUI/XGUI_ObjectsBrowser.h
index fd522c61a8dd253aaafc940fec2aadac2b942018..f3e335eefd4cedeb448d075fdce4def7167cd6e4 100644 (file)
--- a/src/XGUI/XGUI_ObjectsBrowser.h
+++ b/src/XGUI/XGUI_ObjectsBrowser.h
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2017  CEA/DEN, EDF R&D
+// Copyright (C) 2014-2019  CEA/DEN, EDF R&D
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
@@ -12,10 +12,9 @@
 //
 // 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
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 //
-// See http://www.salome-platform.org/ or
-// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 //
 
 #ifndef XGUI_ObjectsBrowser_H
@@ -26,15 +25,18 @@
 #include <ModelAPI_Object.h>
 #include <ModelAPI_ResultPart.h>
 #include <ModelAPI_Events.h>
+#include <ModelAPI_Folder.h>
 
 #include <QWidget>
 #include <QTreeView>
 #include <QLabel>
+#include <QMap>
 
 class ModuleBase_IDocumentDataModel;
 class XGUI_DataModel;
 class Config_DataModelReader;
 class XGUI_Workshop;
+class ModuleBase_ITreeNode;
 
 //#define DEBUG_INDXES
 
@@ -87,7 +89,7 @@ private:
 * \ingroup GUI
 * Implementation of Data Tree object for Object Browser
 */
-class XGUI_DataTree : public QTreeView
+class XGUI_EXPORT XGUI_DataTree : public QTreeView
 {
 Q_OBJECT
  public:
@@ -166,10 +168,17 @@ Q_OBJECT
   /// \param theObjects list of objects to select
   void setObjectsSelected(const QObjectPtrList& theObjects);
 
+  //! Scroll TreeView to make given object visible
+  //! \param theObject object to make it visible
+  void ensureVisible(const ObjectPtr theObject);
+
   //! Returns currently selected indexes
   QModelIndexList selectedIndexes() const
   {
-    return myTreeView->selectionModel()->selectedIndexes();
+    if (myTreeView->selectionModel())
+      return myTreeView->selectionModel()->selectedIndexes();
+    else
+      return QModelIndexList();
   }
 
   //! Returns TreeView widget
@@ -187,9 +196,8 @@ Q_OBJECT
   /// Resets the object browser into initial state
   void clearContent();
 
-  /// Set XML reader object for data model
-  /// \param theReader the reader object
-  void setXMLReader(Config_DataModelReader* theReader);
+  /// Initialize the Object browser
+  void initialize(ModuleBase_ITreeNode* theRoot);
 
   /// Returns list of folders opened state for the given document
   /// \param theDoc the document
@@ -206,6 +214,14 @@ Q_OBJECT
 
   void onSelectionChanged();
 
+  /// Updates all items of object browser
+  /// \param theColumn - column of items
+  /// \param theParent - a parent item (by default from root)
+  void updateAllIndexes(int theColumn = 0, const QModelIndex& theParent = QModelIndex());
+
+  QMap<ObjectPtr, bool> getFoldersState(DocumentPtr theDoc) const;
+
+  void setFoldersState(const QMap<ObjectPtr, bool>& theStates);
 
 public slots:
   //! Called on Edit command request
@@ -221,6 +237,15 @@ signals:
   //! Segnal is emitted when user cliks by mouse in header label of object browser
   void headerMouseDblClicked(const QModelIndex&);
 
+  //! An signal emitted on resize of the Object Browser
+  void sizeChanged();
+
+
+protected:
+  //! redefinition of a virtual method
+  void resizeEvent(QResizeEvent* theEvent);
+
+
  private slots:
   /// Show context menu
   /// \param theEvent a context menu event
@@ -238,7 +263,7 @@ signals:
   void onAfterModelReset();
 
  private:
-  QModelIndexList expandedItems(const QModelIndex& theParent = QModelIndex()) const;
+   QList<ModuleBase_ITreeNode*> expandedItems(const QModelIndex& theParent = QModelIndex()) const;
 
   //! Internal model
   XGUI_DataModel* myDocModel;
@@ -247,7 +272,8 @@ signals:
   XGUI_Workshop* myWorkshop;
 
   /// A field to store expanded items before model reset
-  QModelIndexList myExpandedItems;
+  //QModelIndexList myExpandedItems;
+  QList<ModuleBase_ITreeNode*> myExpandedItems;
 };
 
 #endif