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_ContextMenu.cxx

@@ -0,0 +1,82 @@
+// 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. 
+
+#include <inspector/TreeModel_ContextMenu.hxx>
+#include <inspector/TreeModel_ModelBase.hxx>
+#include <inspector/TreeModel_Tools.hxx>
+
+#include <inspector/ViewControl_Tools.hxx>
+
+#include <Standard_WarningsDisable.hxx>
+#include <QHeaderView>
+#include <QMenu>
+#include <QTreeView>
+#include <Standard_WarningsRestore.hxx>
+
+// =======================================================================
+// function : Constructor
+// purpose :
+// =======================================================================
+TreeModel_ContextMenu::TreeModel_ContextMenu (QTreeView* theTreeView)
+  : QObject (theTreeView), myTreeView (theTreeView)
+{
+  myTreeView->header()->setContextMenuPolicy (Qt::CustomContextMenu);
+#if QT_VERSION >= 0x050000
+  myTreeView->header()->setSectionsClickable (true);
+#endif
+  myTreeView->header()->setHighlightSections (true);
+  connect (myTreeView->header(), SIGNAL (customContextMenuRequested (const QPoint&)),
+           this, SLOT (onTreeViewHeaderContextMenuRequested (const QPoint&)));
+}
+
+// =======================================================================
+// function : onTreeViewHeaderContextMenuRequested
+// purpose :
+// =======================================================================
+void TreeModel_ContextMenu::onTreeViewHeaderContextMenuRequested (const QPoint& thePosition)
+{
+  TreeModel_ModelBase* aModel = dynamic_cast<TreeModel_ModelBase*> (myTreeView->model());
+  if (!aModel)
+    return;
+
+  QMenu* aMenu = new QMenu (myTreeView);
+  int aNbSections = aModel->columnCount();
+  for (int aColumnId = 0; aColumnId < aNbSections; aColumnId++)
+  {
+    QAction* anAction = ViewControl_Tools::CreateAction (aModel->GetHeaderItem (aColumnId).GetName(),
+                                                       SLOT (onColumnVisibilityChanged()), myTreeView, this);
+    anAction->setCheckable (true);
+    anAction->setChecked (!myTreeView->isColumnHidden (aColumnId));
+    anAction->setData (aColumnId);
+    aMenu->addAction (anAction);
+  }
+
+  if (aMenu->actions().isEmpty())
+    return;
+
+  QPoint aPoint = myTreeView->mapToGlobal (thePosition);
+  aMenu->exec (aPoint);
+}
+
+// =======================================================================
+// function : onColumnVisibilityChanged
+// purpose :
+// =======================================================================
+void TreeModel_ContextMenu::onColumnVisibilityChanged()
+{
+  QAction* aClickedAction = (QAction*)sender();
+
+  myTreeView->setColumnHidden(aClickedAction->data().toInt(), !aClickedAction->isChecked());
+}