Example using traits as a model

examples/traits_model/person.enaml

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+#----------------------------------------------------------------------------
+#
+#  Copyright (c) 2013-14, Enthought, Inc.
+#  All rights reserved.
+#
+#  This software is provided without warranty under the terms of the BSD
+#  license included in /LICENSE.txt and may be redistributed only
+#  under the conditions described in the aforementioned license.  The license
+#  is also available online at http://www.enthought.com/licenses/BSD.txt
+#
+#  Thanks for using Enthought open source!
+#
+#----------------------------------------------------------------------------
+from enaml.widgets.api import Window, Container, Label, Field, Form
+from enaml.stdlib.fields import IntField
+
+enamldef PersonView(Window):
+    attr person
+
+    Container:
+        Form:
+            Label:
+                text = "First Name"
+            Field:
+                text := person.first_name
+            Label:
+                text = "Last Name"
+            Field:
+                text := person.last_name
+            Label:
+                text = "Age"
+            IntField:
+                minimum = 0
+                value := person.age

examples/traits_model/person.py

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+#----------------------------------------------------------------------------
+#
+#  Copyright (c) 2013-14, Enthought, Inc.
+#  All rights reserved.
+#
+#  This software is provided without warranty under the terms of the BSD
+#  license included in /LICENSE.txt and may be redistributed only
+#  under the conditions described in the aforementioned license.  The license
+#  is also available online at http://www.enthought.com/licenses/BSD.txt
+#
+#  Thanks for using Enthought open source!
+#
+#----------------------------------------------------------------------------
+import enaml
+from enaml.qt.qt_application import QtApplication
+
+from traits.api import HasTraits, Str, Range
+from traitsui.api import View
+
+
+
+class Person(HasTraits):
+    """ A simple class representing a person object.
+
+    """
+    last_name = Str()
+
+    first_name = Str()
+
+    age = Range(low=0)
+
+    def _age_changed(self, new):
+        """ Prints out a message whenever the person's age changes. """
+        msg = "{first} {last} is {age} years old."
+        s = msg.format(
+            first=self.first_name, last=self.last_name, age=self.age,
+        )
+        print s
+
+if __name__ == '__main__':
+    import traits_enaml
+    with traits_enaml.imports():
+        from person import PersonView
+
+    john = Person(first_name='John', last_name='Doe', age=42)
+
+    app = QtApplication()
+    view = PersonView(person=john)
+    view.show()
+
+    app.start()