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/Plugins/PythonQtPlugin/demo.py

@@ -0,0 +1,70 @@
+import os
+import PythonQt
+from PythonQt import QtGui, QtCore
+import paraview.simple as smp
+
+
+
+def getPVApplicationCore():
+    return PythonQt.paraview.pqPVApplicationCore.instance()
+
+
+def getPVSettings():
+    return getPVApplicationCore().settings()
+
+
+def getServerManagerModel():
+    return getPVApplicationCore().getServerManagerModel()
+
+
+def getPQView(view):
+    model = app.getServerManagerModel()
+    return PythonQt.paraview.pqPythonQtMethodHelpers.findProxyItem(model, view.SMProxy)
+
+
+def getRenderView():
+    renderView = smp.GetRenderView()
+    return getPQView(renderView)
+
+
+def findQObjectByName(widgets, name):
+    for w in widgets:
+        if w.objectName == name:
+            return w
+
+
+def getMainWindow():
+    topLevelWidgets = QtGui.QApplication.topLevelWidgets()
+    for widget in QtGui.QApplication.topLevelWidgets():
+        if isinstance(widget, PythonQt.private.ParaViewMainWindow)
+            return widget
+    #
+    # alternate implementation:
+    #return findQObjectByName(QtGui.QApplication.topLevelWidgets(), 'pqClientMainWindow')
+
+
+def testButton():
+    def makeSphere():
+        smp.Sphere()
+        smp.Show()
+        smp.ResetCamera()
+        smp.Render()
+    global button
+    button = QtGui.QPushButton('sphere')
+    button.connect('clicked()', makeSphere)
+    button.show()
+    # note, the button was assigned to a global variable so that the
+    # reference is not deleted when this function returns
+
+
+def sayHello():
+    QtGui.QMessageBox.information(getMainWindow(), 'Hello PythonQt!')
+
+
+def testUserInput():
+    fileName = QtGui.QFileDialog.getOpenFileName(getMainWindow(), 'Open file',)
+    if fileName:
+        smp.OpenDataFile(fileName, guiName=os.path.basename(fileName))
+        smp.Show()
+        smp.ResetCamera()
+        smp.Render()