Add attribute information table so we generate correct setters.

lib/src/emitters.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.
 
 /** Collects several code emitters for the template tool. */
 // TODO(sigmund): add visitor that applies all emitters on a component
 // TODO(sigmund): add support for conditionals, so context is changed at that
 // point.
 library emitters;
 
@@ skipping 200 matching lines @@
                 if (e.oldValue != null && e.oldValue != '') {
                   $elemField.classes.remove(e.oldValue);
                 }
                 if (e.newValue != null && e.newValue != '') {
                   $elemField.classes.add(e.newValue);
                 }
               });
           ''');
         }
       } else {
+        // Note: it is important for correctness to use the DOM setter if it
+        // is available. Otherwise changes will not be applied. This is most
+        // easily observed with "InputElement.value", ".checked", etc.
+        var setter;
+        var allowedTags = htmlAttributeTags[name];

[Siggi Cherem (dart-lang), 2012/10/27 00:46:45]

nit: maybe some alternative name? allowedTags rings a different bell. Maybe
tagsWithAttribue, tagsAllowingAttribute, validTags?

+        if (allowedTags == allHtmlElements ||
+            allowedTags != null && allowedTags.contains(elem.tagName)) {
+          var renamed = elementFieldRenames[name];

[Siggi Cherem (dart-lang), 2012/10/27 00:46:45]

elementFieldRenames => domToDartHtml?

+          setter = renamed != null ? renamed : name;
+        } else {
+          setter = 'attributes["$name"]';
+        }
+
         var val = attrInfo.boundValue;
         var stopperName = attrInfo.stopperNames[0];
-        var setter;
-        // TODO(sigmund): use setters when they are available (issue #112)
-        if (elem.tagName == 'input' && (name == 'value' || name == 'checked')) {
-            setter = name;
-        } else {
-            setter = 'attributes["$name"]';
-        }
         context.insertedMethod.add('''
             $stopperName = autogenerated.watchAndInvoke(() => $val, (e) {
               $elemField.$setter = e.newValue;
             });
         ''');
       }
     });
 
     // stop-functions for watchers associated with data-bound content
     if (elemInfo.contentBinding != null) {
@@ skipping 429 matching lines @@
           (c) => PathInfo.relativePath(_info, c));
     printer.add(codegen.importList(imports))
         .add(codegen.mainDartCode(codeInfo.code,
             _context.declarations.formatString(0),
             _context.createdMethod.formatString(1),
             _context.insertedMethod.formatString(1),
             document.body.innerHTML.trim()));
     return printer.formatString();
   }
 }