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 c1a9527bde13639ade41a9f18c05dfb6f2e4ca60..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
@@ -26,14 +25,20 @@
 #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
 
 /**
 * \ingroup GUI
@@ -84,7 +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:
@@ -118,6 +123,22 @@ public slots:
 
    /// Redefinition of virtual method
   virtual void resizeEvent(QResizeEvent* theEvent);
+
+   /// Redefinition of virtual method
+  virtual void mouseReleaseEvent(QMouseEvent* theEvent);
+
+#ifdef DEBUG_INDXES
+  virtual void mousePressEvent(QMouseEvent* theEvent);
+#endif
+
+private:
+  /// Process a history change request
+  /// \param theIndex a clicked data index
+  void processHistoryChange(const QModelIndex& theIndex);
+
+  /// Process a visibility change request
+  /// \param theIndex a clicked data index
+  void processEyeClick(const QModelIndex& theIndex);
 };
 
 /**\class XGUI_ObjectsBrowser
@@ -130,7 +151,7 @@ Q_OBJECT
  public:
    /// Constructor
    /// \param theParent a parent widget
-  XGUI_ObjectsBrowser(QWidget* theParent);
+  XGUI_ObjectsBrowser(QWidget* theParent, XGUI_Workshop* theWorkshop);
   virtual ~XGUI_ObjectsBrowser();
 
   //! Returns Model which provides access to data objects
@@ -147,10 +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
@@ -168,9 +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
@@ -182,6 +209,20 @@ Q_OBJECT
   /// \param theStates list of booleans with state expanded or not
   void setStateForDoc(DocumentPtr theDoc, const std::list<bool>& theStates);
 
+  /// Returns current workshop
+  XGUI_Workshop* workshop() const { return myWorkshop; }
+
+  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
   void onEditItem();
@@ -196,6 +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
@@ -213,15 +263,17 @@ 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;
   XGUI_ActiveDocLbl* myActiveDocLbl;
   XGUI_DataTree* myTreeView;
+  XGUI_Workshop* myWorkshop;
 
   /// A field to store expanded items before model reset
-  QModelIndexList myExpandedItems;
+  //QModelIndexList myExpandedItems;
+  QList<ModuleBase_ITreeNode*> myExpandedItems;
 };
 
 #endif