diff -r e5703dc8848e -r 8c18b1a3e2bf dialogs/UriEditor.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dialogs/UriEditor.py	Thu Nov 08 11:14:06 2018 +0100
@@ -0,0 +1,79 @@
+from __future__ import absolute_import
+
+import wx
+from connectors import ConnectorSchemes, EditorClassFromScheme
+
+
+[ID_URIWIZARDDIALOG, ID_URITYPECHOICE] = [wx.NewId() for _init_ctrls in range(2)]
+
+class UriEditor(wx.Dialog):
+    def _init_ctrls(self, parent):
+        self.UriTypeChoice = wx.Choice(parent=self, id=ID_URIWIZARDDIALOG, choices=self.URITYPES)
+        self.UriTypeChoice.SetSelection(0)
+        self.Bind(wx.EVT_CHOICE, self.OnTypeChoice, self.UriTypeChoice)
+        self.editor_sizer = wx.BoxSizer(wx.HORIZONTAL)
+        self.ButtonSizer = self.CreateButtonSizer(wx.OK | wx.CANCEL)
+
+    def _init_sizers(self):
+        self.mainSizer = wx.BoxSizer(wx.VERTICAL)
+        typeSizer = wx.BoxSizer(wx.HORIZONTAL)
+        typeSizer.Add(wx.StaticText(self, wx.ID_ANY, _("Scheme :")), border=5, flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL)
+        typeSizer.Add(self.UriTypeChoice, border=5, flag=wx.ALL)
+        self.mainSizer.Add(typeSizer)
+
+        self.mainSizer.Add(self.editor_sizer, border=5, flag=wx.ALL)
+        self.mainSizer.Add(self.ButtonSizer, border=5, flag=wx.BOTTOM | wx.ALIGN_CENTER_HORIZONTAL)
+        self.SetSizer(self.mainSizer)
+        self.Layout()
+        self.Fit()
+
+    def __init__(self, parent, uri):
+        wx.Dialog.__init__(self, id=ID_URIWIZARDDIALOG,
+                           name='UriEditor', parent=parent,
+                           title=_('URI Editor'))
+        self.URITYPES = [_("- Select URI Scheme -")] + ConnectorSchemes()
+        self._init_ctrls(parent)
+        self._init_sizers()
+        self.scheme = None
+        self.scheme_editor = None
+        self.SetURI(uri)
+        self.CenterOnParent()
+
+    def OnTypeChoice(self, event):
+        index = event.GetSelection()
+        self._replaceSchemeEditor(event.GetString() if index > 0 else None)
+
+    def SetURI(self, uri):
+        try:
+            scheme, loc = uri.strip().split("://",1)
+        except:
+            return None
+        scheme = scheme.upper()
+        if scheme in ConnectorSchemes():
+            self.UriTypeChoice.SetStringSelection(scheme)
+            self._replaceSchemeEditor(scheme)
+            self.scheme_editor.SetLoc(loc)
+
+    def GetURI(self):
+        if self.scheme_editor is None:
+            return None
+        else:
+            return self.scheme+"://"+self.scheme_editor.GetLoc()
+
+    def _replaceSchemeEditor(self, scheme):
+        self.scheme = scheme
+       
+        if self.scheme_editor is not None:
+            self.editor_sizer.Detach(self.scheme_editor)
+            self.scheme_editor.Destroy()
+            self.scheme_editor = None
+
+        EditorClass = EditorClassFromScheme(scheme)
+        if EditorClass is not None:
+            self.scheme_editor = EditorClass(scheme,self)
+            self.editor_sizer.Add(self.scheme_editor)
+            self.scheme_editor.Refresh()
+        self.editor_sizer.Layout()
+        self.mainSizer.Layout()
+        self.Fit()
+