Fixed breakage in template utility now that statics aren't inherited.

samples/calculator/calculator.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #import('dart:html');
 #source('tape.dart');
 #source('settings.dart');
 #source('calcui.dart');
 
 var padUI;          // Calculator Pad UI.
@@ skipping 53 matching lines @@
   dotKeyPresses = new Set.from([190 /* . */,
                                 110 /* Keypad . */]);
   backspacePresses = new Set.from([8 /* Keypad <- or Backspace */]);
 
   addPadEvents();
 
   // Catch user keypresses, decide whether to use them or pass to the browser.
   document.on.keyUp.add((e) {
     processKeyEvent(e);
   });
-  
+
   document.on.click.add((MouseEvent e) {
+    bool wasOpened = mySettings.isOpen;
+
     // If settings dialog is open close it.
     mySettings.close(e);
 
     renderPad(document.body.elements.last());
-    addPadEvents();
+    if (wasOpened) {
+      removePadEvents();
+      addPadEvents();
+    }
   });
 }
 
 void addPadEvents() {
   // Hook-up number key events:
   padUI.keyZero.on.click.add((MouseEvent e) { doCalc(48); });
   padUI.keyOne.on.click.add((MouseEvent e) { doCalc(49); });
   padUI.keyTwo.on.click.add((MouseEvent e) { doCalc(50); });
   padUI.keyThree.on.click.add((MouseEvent e) { doCalc(51); });
   padUI.keyFour.on.click.add((MouseEvent e) { doCalc(52); });
@@ skipping 264 matching lines @@
     }
   }
 }
 
 void main() {
   final Element element = new Element.tag('div');
 
   // Create our Tape UI.
   tapeUI = new TapeUI();
   element.elements.add(tapeUI.root);
-  
+
   // Create our tape controller.
   tape = new Tape();
 
   renderPad(element);
 
   // Render the UI.
   document.body.elements.add(element);
 
   currentRegister = "";
   total = 0.0;
 
   setupEvents();
 }