Implement #15

PythonHome/Lib/idlelib/dynOptionMenuWidget.py

@@ -0,0 +1,57 @@
+"""
+OptionMenu widget modified to allow dynamic menu reconfiguration
+and setting of highlightthickness
+"""
+from Tkinter import OptionMenu, _setit, Tk, StringVar, Button
+
+import copy
+import re
+
+class DynOptionMenu(OptionMenu):
+    """
+    unlike OptionMenu, our kwargs can include highlightthickness
+    """
+    def __init__(self, master, variable, value, *values, **kwargs):
+        #get a copy of kwargs before OptionMenu.__init__ munges them
+        kwargsCopy=copy.copy(kwargs)
+        if 'highlightthickness' in kwargs.keys():
+            del(kwargs['highlightthickness'])
+        OptionMenu.__init__(self, master, variable, value, *values, **kwargs)
+        self.config(highlightthickness=kwargsCopy.get('highlightthickness'))
+        #self.menu=self['menu']
+        self.variable=variable
+        self.command=kwargs.get('command')
+
+    def SetMenu(self,valueList,value=None):
+        """
+        clear and reload the menu with a new set of options.
+        valueList - list of new options
+        value - initial value to set the optionmenu's menubutton to
+        """
+        self['menu'].delete(0,'end')
+        for item in valueList:
+            self['menu'].add_command(label=item,
+                    command=_setit(self.variable,item,self.command))
+        if value:
+            self.variable.set(value)
+
+def _dyn_option_menu(parent):
+    root = Tk()
+    root.title("Tets dynamic option menu")
+    var = StringVar(root)
+    width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
+    root.geometry("+%d+%d"%(x, y + 150))
+    var.set("Old option set") #Set the default value
+    dyn = DynOptionMenu(root,var, "old1","old2","old3","old4")
+    dyn.pack()
+
+    def update():
+        dyn.SetMenu(["new1","new2","new3","new4"],value="new option set")
+
+    button = Button(root, text="Change option set", command=update)
+    button.pack()
+    root.mainloop()
+
+if __name__ == '__main__':
+    from idlelib.idle_test.htest import run
+    run(_dyn_option_menu)