diff --git a/src/SimNDT/gui/HelperMethods.py b/src/SimNDT/gui/HelperMethods.py
new file mode 100644
index 0000000..3aa6f03
--- /dev/null
+++ b/src/SimNDT/gui/HelperMethods.py
@@ -0,0 +1,187 @@
+#!/usr/bin/env python
+# encoding: utf-8
+"""
+HelperMethods.py
+
+Created by Miguel Molero on 2013-08-28.
+Copyright (c) 2013 MMolero. All rights reserved.
+"""
+
+import os
+from PySide.QtCore import *
+from PySide.QtGui import *
+
+import collections
+import re, copy
+import numpy as np
+
+
+def sort_nicely(l):
+    """
+    Sort the given list in the way that humans expect.
+    """
+    convert = lambda text: int(text) if text.isdigit() else text
+    alphanum_key = lambda key: [convert(c) for c in re.split('([0-9]+)', key)]
+    l.sort(key=alphanum_key)
+
+
+def createAction(parent, text, slot=None, shortcut=None, icon=None,
+                 tip=None, checkable=False, signal="triggered()"):
+    action = QAction(text, parent)
+    if icon is not None:
+        action.setIcon(QIcon(":/%s" % icon))
+    if shortcut is not None:
+        action.setShortcut(shortcut)
+    if tip is not None:
+        action.setToolTip(tip)
+        action.setStatusTip(tip)
+    if slot is not None:
+        parent.connect(action, SIGNAL(signal), slot)
+    if checkable:
+        action.setCheckable(True)
+    return action
+
+
+def addActions(target, actions):
+    if not isinstance(actions, collections.Iterable):
+        target.addAction(actions)
+    else:
+        for action in actions:
+            if action is None:
+                target.addSeparator()
+            else:
+                target.addAction(action)
+
+
+def addWidgets(target, widgets):
+    if not isinstance(widgets, collections.Iterable):
+        target.addWidget(widgets)
+    else:
+        for widget in widgets:
+            target.addWidget(widget)
+
+
+def setEnabled(actions, state):
+    if not isinstance(actions, collections.Iterable):
+        actions.setEnabled(state)
+    else:
+        for action in actions:
+            if action is not None:
+                action.setEnabled(state)
+
+
+def setVisible(target, state):
+    if not isinstance(target, collections.Iterable):
+        target.setVisible(state)
+    else:
+        for item in target:
+            if item is not None:
+                item.setVisible(state)
+
+
+def setText(target, string):
+    if not isinstance(target, collections.Iterable):
+        target.setText(string)
+    else:
+        for item in target:
+            if item is not None:
+                item.setText(string)
+
+
+def clear(target):
+    if not isinstance(target, collections.Iterable):
+        target.clear()
+    else:
+        for item in target:
+            item.clear()
+
+
+def is_number(s):
+    try:
+        float(s)
+        return True
+    except ValueError:
+        return False
+
+
+def mat2Obj(fromMat, toObj):
+    for name in fromMat._fieldnames:
+        value = getattr(fromMat, name)
+        if hasattr(toObj, name):
+            # print toObj, name
+            if isinstance(value, float) or isinstance(value, str) or isinstance(value, int):
+                setattr(toObj, name, value)
+            elif isinstance(value, np.ndarray):
+                if value.size == 1:
+                    setattr(toObj, name, value.item())
+                else:
+                    setattr(toObj, name, value)
+
+    return toObj
+
+
+def objWithListstoArrays(obj):
+    for name in obj._fieldnames:
+        value = getattr(obj, name)
+        if isinstance(value, list):
+            setattr(obj, name, np.array(value))
+
+    return obj
+
+
+def objWithArraysToLists(obj):
+    for name in obj._fieldnames:
+        value = getattr(obj, name)
+        if isinstance(value, np.ndarray):
+            setattr(obj, name, value.tolist())
+
+    return obj
+
+
+def loadDataFromList(data2load, key, Class):
+    if key in data2load:
+        target = list()
+        if isinstance(data2load[key], np.ndarray):
+            for item in (data2load[key]).tolist():
+                _item = copy.deepcopy(mat2Obj(item, Class))
+                target.append(_item)
+        else:
+            _class = copy.deepcopy(mat2Obj(data2load[key], Class))
+            target.append(_class)
+
+        return target
+    else:
+        None
+
+
+def loadDataFromListWithLabels(data2load, key, listLabels, listClasses):
+    if key in data2load:
+        target = list()
+
+        if isinstance(data2load[key], np.ndarray):
+            for item in (data2load[key]).tolist():
+                for i in range(len(listLabels)):
+                    if item.Name == listLabels[i]:
+                        _class = copy.deepcopy(mat2Obj(item, listClasses[i]))
+                        target.append(_class)
+        else:
+            item = data2load[key]
+            for i in range(len(listLabels)):
+                if item.Name == listLabels[i]:
+                    _class = copy.deepcopy(mat2Obj(item, listClasses[i]))
+                    target.append(_class)
+        return target
+
+    else:
+        None
+
+
+def loadDataWithLabels(data2load, key, listLabels, listClasses):
+    if key in data2load:
+        item = data2load[key]
+        for i in range(len(listLabels)):
+            if item.Name == listLabels[i]:
+                target = copy.deepcopy(mat2Obj(item, listClasses[i]))
+        return target
+    else:
+        None