JsonWizard: Replace Python class wizard with a JsonWizard

* Remove Qt4 support.
* Remove some UI options that did not do anything in the original wizard

Change-Id: I9647cbc6cd0958a02df5b2fe480b9c8069249521
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>

share/qtcreator/templates/wizards/classes/python/file.py

@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+
+@if '%{Imports}'
+try:
+@if '%{ImportQtCore}'
+    from PySide import QtCore
+@endif
+@if '%{ImportQtWidgets}'
+    from PySide import QtWidgets
+@endif
+@if '%{ImportQtQuick}'
+    from PySide import QtQuick
+@endif
+except:
+@if '%{ImportQtCore}'
+    from PyQt5.QtCore import pyqtSlot as Slot
+    from PyQt5 import QtCore
+@endif
+@if '%{ImportQtWidgets}'
+    from PyQt5 import QtWidgets
+@endif
+@if '%{ImportQtQuick}'
+    from PyQt5 import QtQuick
+@endif
+
+
+@endif
+@if '%{Base}'
+class %{Class}(%{Base}):
+@else
+class %{Class}:
+@endif
+    def __init__(self):
+@if '%{Base}' === 'QWidget'
+        QtWidgets.QWidget.__init__(self)
+@endif
+@if '%{Base}' === 'QMainWindow'
+        QtWidgets.QMainWindow.__init__(self)
+@if '%{Base}' === 'QQuickItem'
+        QtQuick.QQuickItem.__init__(self)
+@endif
+        pass
+