Revert revision 33053

third_party/pkg/angular/lib/directive/ng_src_boolean.dart

 part of angular.directive;
 
 /**
  * Allows adding and removing the boolean attributes from the element.
  *
  * Using `<button disabled="{{false}}">` does not work since it would result
  * in `<button disabled="false">` rather than `<button>`.
  * Browsers change behavior based on presence/absence of attribute rather the
  * its value.
  *
@@ skipping 12 matching lines @@
  *  - [ng-selected]
  */
 @NgDirective(selector: '[ng-checked]',  map: const {'ng-checked':  '=>checked'})
 @NgDirective(selector: '[ng-disabled]', map: const {'ng-disabled': '=>disabled'})
 @NgDirective(selector: '[ng-multiple]', map: const {'ng-multiple': '=>multiple'})
 @NgDirective(selector: '[ng-open]',     map: const {'ng-open':     '=>open'})
 @NgDirective(selector: '[ng-readonly]', map: const {'ng-readonly': '=>readonly'})
 @NgDirective(selector: '[ng-required]', map: const {'ng-required': '=>required'})
 @NgDirective(selector: '[ng-selected]', map: const {'ng-selected': '=>selected'})
 class NgBooleanAttributeDirective {
-  final NodeAttrs attrs;
+  NodeAttrs attrs;
   NgBooleanAttributeDirective(this.attrs);
 
   _setBooleanAttribute(name, value) => attrs[name] = (toBool(value) ? '' : null);
 
   set checked(value)   => _setBooleanAttribute('checked',  value);
   set disabled(value)  => _setBooleanAttribute('disabled', value);
   set multiple(value)  => _setBooleanAttribute('multiple', value);
   set open(value)      => _setBooleanAttribute('open',     value);
   set readonly(value)  => _setBooleanAttribute('readonly', value);
   set required(value)  => _setBooleanAttribute('required', value);
@@ skipping 14 matching lines @@
  * The full list of supported attributes are:
  *
  * - [ng-href]
  * - [ng-src]
  * - [ng-srcset]
  */
 @NgDirective(selector: '[ng-href]',   map: const {'ng-href':   '@href'})
 @NgDirective(selector: '[ng-src]',    map: const {'ng-src':    '@src'})
 @NgDirective(selector: '[ng-srcset]', map: const {'ng-srcset': '@srcset'})
 class NgSourceDirective {
-  final NodeAttrs attrs;
+  NodeAttrs attrs;
   NgSourceDirective(this.attrs);
 
   set href(value)   => attrs['href']   = value;
   set src(value)    => attrs['src']    = value;
   set srcset(value) => attrs['srcset'] = value;
 
 }
 
 /**
- * In SVG some attributes have a specific syntax. Placing `{{interpolation}}` in
- * those attributes will break the attribute syntax, and browser will clear the
- * attribute.
+ * In SVG some attributes have a specific syntax. Placing `{{interpolation}}` in those
+ * attributes will break the attribute syntax, and browser will clear the attribute.
  *
- * The `ng-attr-*` is a generic way to use interpolation without breaking the
- * attribute syntax validator. The `ng-attr-` part get stripped.
+ * The `ng-attr-*` is a generic way to use interpolation without breaking the attribute
+ * syntax validator. The `ng-attr-` part get stripped.
  *
  * @example
- *     <svg>
- *       <circle ng-attr-cx="{{cx}}"></circle>
- *     </svg>
+       <svg>
+         <circle ng-attr-cx="{{cx}}"></circle>
+       </svg>
  */
 @NgDirective(selector: '[ng-attr-*]')
 class NgAttributeDirective implements NgAttachAware {
-  final NodeAttrs _attrs;
+  NodeAttrs _attrs;
 
-  NgAttributeDirective(this._attrs);
+  NgAttributeDirective(NodeAttrs this._attrs);
 
   void attach() {
-    String ngAttrPrefix = 'ng-attr-';
     _attrs.forEach((key, value) {
-      if (key.startsWith(ngAttrPrefix)) {
-        var newKey = key.substring(ngAttrPrefix.length);
+      if (key.startsWith('ngAttr')) {
+        String newKey = snakecase(key.substring(6));
         _attrs[newKey] = value;
-        _attrs.observe(key, (newValue) => _attrs[newKey] = newValue );
+        _attrs.observe(snakecase(key), (newValue) => _attrs[newKey] = newValue );
       }
     });
   }
 }