0029674: Improvements in Inspector tool

- preferences for dock windows geometry, tree view columns and current view projection;
- ViewControl package for common functionality between plugins;
- processing Location and Orientation for external TopoDS_Shape object
- 'F5' key to update content of each plugin
- visibility column in tree view (used now only in ShapeView)
- properties child item for context (presents tree of current Filters of context)

tools/TreeModel/TreeModel_HeaderSection.hxx

@@ -0,0 +1,78 @@
+// Created on: 2017-06-16
+// Created by: Natalia ERMOLAEVA
+// Copyright (c) 2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement. 
+
+#ifndef TreeModel_HeaderSection_H
+#define TreeModel_HeaderSection_H
+
+#include <Standard.hxx>
+#include <Standard_Macro.hxx>
+
+#include <inspector/TreeModel_Tools.hxx>
+
+#include <Standard_WarningsDisable.hxx>
+#include <QString>
+#include <Standard_WarningsRestore.hxx>
+
+//! \class TreeModel_HeaderSection
+//! \brief Container of tree view header sections, like width, visibility, text value
+class TreeModel_HeaderSection
+{
+public:
+  //! Constructor
+  TreeModel_HeaderSection() : myName(), myWidth (-1), myIsHidden (false), myIsItalic (false) {}
+
+  //! Constructor
+  TreeModel_HeaderSection (const QString& theName, const int theWidth = -1, const bool theIsHidden = false,
+    const bool theIsItalic = false)
+  : myName (theName), myWidth (theWidth), myIsHidden (theIsHidden), myIsItalic (theIsItalic) {}
+
+  //! Destructor
+  ~TreeModel_HeaderSection() {}
+
+  //! Sets text value
+  //! \theName text value
+  void SetName (const QString& theName) { myName = theName; }
+
+  //! Returns text value
+  QString GetName() const { return myName; }
+
+  //! Sets section width
+  //! \param theValue width value
+  void SetWidth (const int theWidth) { myWidth = theWidth; }
+
+  //! Returns section width
+  int GetWidth (const bool isComputeDefault = true) const
+  { return (myWidth ==-1 && isComputeDefault) ? TreeModel_Tools::GetTextWidth (GetName(), 0) : myWidth; }
+
+  //! Sets section width
+  void SetIsHidden (bool isHidden) { myIsHidden = isHidden; }
+
+  //! Returns if the section is visiblt
+  bool IsHidden() const { return myIsHidden; }
+
+  //! Sets section width
+  void SetIsItalic (bool isItalic) { myIsItalic = isItalic; }
+
+  //! Returns if the section is visiblt
+  bool IsItalic() const { return myIsItalic; }
+
+private:
+  QString myName;  //! text value
+  int myWidth; //! section width
+  bool myIsHidden; //! visibility
+  bool myIsItalic; //! italic
+};
+
+#endif