old_contents: /**
   * @license
   * Copyright 2017 The FOAM Authors. All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  foam.CLASS({
    package: 'foam.comics',
    name: 'DAOUpdateController',
  
    topics: [
      'finished',
      'throwError'
    ],
  
    properties: [
      {
        name: 'dao'
      },
      {
        name: 'data'
      },
      {
        name: 'exception'
      },
      {
        name: 'obj',
        factory: function() {
          var self = this;
          this.dao.find(this.data).then(function(obj) {
            self.obj = obj.clone();
          });
          return null;
        }
      }
    ],
  
    actions: [
      {
        name: 'save',
        isEnabled: function(obj) { return !! obj; },
        code: function() {
          var self = this;
          this.dao.put(this.obj).then(function() {
            self.finished.pub();
          }, function(e) {
            self.exception = e;
            self.throwError.pub();
          });
        }
      },
      {
        name: 'delete',
        isEnabled: function(obj) { return !! obj; },
        confirmationRequired: true,
        code: function() {
          var self = this;
          this.dao.remove(this.obj).then(function() {
            self.finished.pub();
          }, function(e) {
            self.exception = e;
            self.throwError.pub();
          });
        }
      }
    ]
  });
  
new_contents: /**
   * @license
   * Copyright 2017 The FOAM Authors. All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  foam.CLASS({
    package: 'foam.comics',
    name: 'DAOUpdateController',
  
    topics: [
      'finished',
      'throwError'
    ],
  
    properties: [
      {
        name: 'dao'
      },
      {
        name: 'data'
      },
      {
        name: 'exception'
      },
      {
        name: 'obj',
        factory: function() {
          var self = this;
          this.dao.find(this.data).then(function(obj) {
            self.obj = obj.clone();
          });
          return null;
        }
      }
    ],
  
    actions: [
      {
        name: 'save',
        isEnabled: function(obj) { return !! obj; },
        code: function() {
          var self = this;
          this.dao.put(this.obj.clone()).then(function() {
            self.finished.pub();
          }, function(e) {
            self.exception = e;
            self.throwError.pub();
          });
        }
      },
      {
        name: 'delete',
        isEnabled: function(obj) { return !! obj; },
        confirmationRequired: true,
        code: function() {
          var self = this;
          this.dao.remove(this.obj).then(function() {
            self.finished.pub();
          }, function(e) {
            self.exception = e;
            self.throwError.pub();
          });
        }
      }
    ]
  });
  
subject: Revert "remove clone on save in DAOUpdateController"