ParaView-5.0.1: Added the source-tree to ThirdParty-dev and patched as described in the README file

Resolves bug-report http://bugs.openfoam.org/view.php?id=2098

ParaView-5.0.1/Qt/Widgets/pqTreeWidgetSelectionHelper.cxx

@@ -0,0 +1,111 @@
+/*=========================================================================
+
+   Program: ParaView
+   Module:    pqTreeWidgetSelectionHelper.cxx
+
+   Copyright (c) 2005,2006 Sandia Corporation, Kitware Inc.
+   All rights reserved.
+
+   ParaView is a free software; you can redistribute it and/or modify it
+   under the terms of the ParaView license version 1.2. 
+
+   See License_v1.2.txt for the full ParaView license.
+   A copy of this license can be obtained by contacting
+   Kitware Inc.
+   28 Corporate Drive
+   Clifton Park, NY 12065
+   USA
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+========================================================================*/
+#include "pqTreeWidgetSelectionHelper.h"
+
+// Server Manager Includes.
+
+// Qt Includes.
+#include <QTreeWidget>
+#include <QtDebug>
+#include <QMenu>
+// ParaView Includes.
+
+//-----------------------------------------------------------------------------
+pqTreeWidgetSelectionHelper::pqTreeWidgetSelectionHelper(QTreeWidget* tree):
+  Superclass(tree)
+{
+  this->TreeWidget = tree;
+  tree->setSelectionMode(QAbstractItemView::ExtendedSelection);
+  tree->setContextMenuPolicy(Qt::CustomContextMenu);
+
+  QObject::connect(tree, SIGNAL(itemPressed(QTreeWidgetItem*, int)),
+    this, SLOT(onItemPressed(QTreeWidgetItem*, int)));
+  QObject::connect(tree, SIGNAL(customContextMenuRequested(const QPoint&)),
+    this, SLOT(showContextMenu(const QPoint&)));
+}
+
+//-----------------------------------------------------------------------------
+pqTreeWidgetSelectionHelper::~pqTreeWidgetSelectionHelper()
+{
+}
+
+//-----------------------------------------------------------------------------
+void pqTreeWidgetSelectionHelper::onItemPressed(QTreeWidgetItem* item, int )
+{
+  this->PressState = -1;
+  if ((item->flags() & Qt::ItemIsUserCheckable) == Qt::ItemIsUserCheckable)
+    {
+    this->PressState = item->checkState(0);
+    this->Selection = this->TreeWidget->selectionModel()->selection();
+    }
+}
+
+//-----------------------------------------------------------------------------
+void pqTreeWidgetSelectionHelper::setSelectedItemsCheckState(Qt::CheckState state)
+{
+  // Change all checkable items in the this->Selection to match the new
+  // check state.
+  this->TreeWidget->selectionModel()->select(this->Selection, 
+    QItemSelectionModel::ClearAndSelect);
+
+  QList<QTreeWidgetItem*> items = this->TreeWidget->selectedItems();
+  foreach (QTreeWidgetItem* curitem, items)
+    {
+    if ((curitem->flags() & Qt::ItemIsUserCheckable) == Qt::ItemIsUserCheckable)
+      {
+      curitem->setCheckState(/*column*/0, state);
+      }
+    }
+}
+
+//-----------------------------------------------------------------------------
+void pqTreeWidgetSelectionHelper::showContextMenu(const QPoint &pos)
+{
+  if (this->TreeWidget->selectionModel()->selectedIndexes().size() > 0)
+    {
+    QMenu menu;
+    menu.setObjectName("TreeWidgetCheckMenu");
+    QAction* check = new QAction("Check", &menu);
+    QAction* uncheck = new QAction("Uncheck", &menu);
+    menu.addAction(check);
+    menu.addAction(uncheck);
+    QAction* result = menu.exec(this->TreeWidget->mapToGlobal(pos));
+    if (result == check)
+      {
+      this->setSelectedItemsCheckState(Qt::Checked);
+      }
+    else if (result == uncheck)
+      {
+      this->setSelectedItemsCheckState(Qt::Unchecked);
+      }
+    }
+}