code: function($scope) {
      this.$scope = $scope;
  
      this.$markdownInput = $scope.find(SELECTORS.MARKDOWN_INPUT);
      this.$form = $scope.find(SELECTORS.FORM);
      this.$titleInput = $scope.find(SELECTORS.TITLE_INPUT);
      this.$deleteButton = $scope.find(SELECTORS.DELETE);
  
      this.dropzone = new Dropzone(SELECTORS.DROPZONE);
      this.simplemde = new SimpleMDE();
  
      this.bind();
  }
docs: Page View Class for the Document Edit page.