Commit before breaking everything

[matches/honours.git] / research / transmission_spectroscopy / simulator / pgu-0.18 / pgu / gui / group.py

diff --git a/research/transmission_spectroscopy/simulator/pgu-0.18/pgu/gui/group.py b/research/transmission_spectroscopy/simulator/pgu-0.18/pgu/gui/group.py
new file mode 100644 (file)
index 0000000..3406ce6
--- /dev/null
+++ b/research/transmission_spectroscopy/simulator/pgu-0.18/pgu/gui/group.py
@@ -0,0 +1,49 @@
+"""
+"""
+from .const import *
+from . import widget
+
+class Group(widget.Widget):
+    """An object for grouping together Form elements.
+    
+    When the value changes, an gui.CHANGE event is sent. Although note, 
+    that when the value is a list, it may have to be sent by hand via 
+    g.send(gui.CHANGE).
+
+    """
+
+    _value = None
+    widgets = None
+    
+    def __init__(self,name=None,value=None):
+        """Create Group instance.
+
+        Arguments:
+        name -- name as used in the Form
+        value -- values that are currently selected in the group
+    
+        """
+        widget.Widget.__init__(self,name=name,value=value)
+        self.widgets = []
+    
+    def add(self,w):
+        """Add a widget to this group."""
+        self.widgets.append(w)
+
+    @property
+    def value(self):
+        return self._value
+
+    @value.setter
+    def value(self, val):
+        oldval = self._value
+        self._value = val
+        if (oldval != val):
+            self._change()
+    
+    def _change(self):
+        self.send(CHANGE)
+        if (self.widgets):
+            for w in self.widgets:
+                w.repaint()
+