1 files changed, 43 insertions, 0 deletions
diff --git a/pgu/gui/group.py b/pgu/gui/group.py
new file mode 100644
index 0000000..bcb231a
--- /dev/null
+++ b/pgu/gui/group.py
@@ -0,0 +1,43 @@
+"""
+"""
+from const import *
+import widget
+
+class Group(widget.Widget):
+    """An object for grouping together Form elements.
+    
+    <pre>Group(name=None,value=None)</pre>
+    
+    <dl>
+    <dt>name<dd>name as used in the Form
+    <dt>value<dd>values that are currently selected in the group
+    </dl>
+    
+    <p>See [[gui-button]] for several examples.</p>
+    
+    <p>When the value changes, an <tt>gui.CHANGE</tt> event is sent.
+    Although note, that when the value is a list, it may have to be sent by hand via
+    <tt>g.send(gui.CHANGE)</tt></p>
+    """
+    
+    def __init__(self,name=None,value=None):
+        widget.Widget.__init__(self,name=name,value=value)
+        self.widgets = []
+    
+    def add(self,w):
+        """Add a widget to this group.
+        
+        <pre>Group.add(w)</pre>
+        """
+        self.widgets.append(w)
+    
+    def __setattr__(self,k,v):
+        _v = self.__dict__.get(k,NOATTR)
+        self.__dict__[k] = v
+        if k == 'value' and _v != NOATTR and _v != v:
+            self._change()
+    
+    def _change(self):
+        self.send(CHANGE)
+        for w in self.widgets:
+            w.repaint()