text: /*
   * Copyright (c) 2012 Adobe Systems Incorporated. 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.
   */
  
  (function(){
      /*
       * binding should provide a "setValue" and "getValue".
       */
      function EditableLabel(binding, label) {
          this.binding = binding;
          this.label = label;
          this.init();
      }
  
      EditableLabel.prototype = {
          init: function() {
              var self = this;
              this.label.click(function() {
                  if (self.binding.canEdit && !self.binding.canEdit())
                      return false;
                  self.label.hide();
                  self.createEditorIfNeeded();
                  self.editor.val(self.binding.getValueForLabelEditor());
                  self.editor.show().select();
                  return false;
              });
          },
  
          createEditorIfNeeded: function() {
              if (this.editor)
                  return;
              var self = this;
              this.editor = $("<input type='text' class='value-editor' />")
                  .hide()
                  .change(function() {
                      return self.onChange();
                  })
                  .focusout(function() {
                      self.hide();
                  }).keyup(function (e) {
                      self.onKeyUp(e);
                  });
              this.label.after(this.editor);
          },
  
          hide: function() {
              this.editor.hide();
              this.label.show();
          },
  
          onKeyUp: function(e) {
              if (e.which == 13) {
                  this.hide();
                  e.preventDefault();
              }
              if (!this.onChange()) {
                  // Rewrite last known good value.
                  this.editor.val(self.binding.getValue());
                  this.editor.select();
              }
          },
  
          onChange: function() {
              var newVal = this.editor.val();
              if (this.binding.validate && ((newVal = this.binding.validate(newVal)) === null))
                  return false;
              this.binding.setValueFromLabelEditor(newVal);
              return true;
          }
      }
  
      Global.EditableLabel = EditableLabel;
  
  })();