text: import $ from '../../core/renderer';
  import { noop } from '../../core/utils/common';
  import Class from '../../core/class';
  import { extend } from '../../core/utils/extend';
  import { each } from '../../core/utils/iterator';
  import errors from '../widget/ui.errors';
  import { registry } from './ui.list.edit.decorator_registry';
  var editOptionsRegistry = [];
  
  var registerOption = function registerOption(enabledFunc, decoratorTypeFunc, decoratorSubTypeFunc) {
    editOptionsRegistry.push({
      enabled: enabledFunc,
      decoratorType: decoratorTypeFunc,
      decoratorSubType: decoratorSubTypeFunc
    });
  }; // NOTE: option registration order does matter
  
  
  registerOption(function () {
    return this.option('menuItems').length;
  }, function () {
    return 'menu';
  }, function () {
    return this.option('menuMode');
  });
  registerOption(function () {
    return !this.option('menuItems').length && this.option('allowItemDeleting');
  }, function () {
    var mode = this.option('itemDeleteMode');
    return mode === 'toggle' || mode === 'slideButton' || mode === 'swipe' || mode === 'static' ? 'delete' : 'menu';
  }, function () {
    var mode = this.option('itemDeleteMode');
  
    if (mode === 'slideItem') {
      mode = 'slide';
    }
  
    return mode;
  });
  registerOption(function () {
    return this.option('selectionMode') !== 'none' && this.option('showSelectionControls');
  }, function () {
    return 'selection';
  }, function () {
    return 'default';
  });
  registerOption(function () {
    return this.option('itemDragging.allowReordering') || this.option('itemDragging.allowDropInsideItem') || this.option('itemDragging.group');
  }, function () {
    return 'reorder';
  }, function () {
    return 'default';
  });
  var LIST_ITEM_BEFORE_BAG_CLASS = 'dx-list-item-before-bag';
  var LIST_ITEM_AFTER_BAG_CLASS = 'dx-list-item-after-bag';
  var DECORATOR_BEFORE_BAG_CREATE_METHOD = 'beforeBag';
  var DECORATOR_AFTER_BAG_CREATE_METHOD = 'afterBag';
  var DECORATOR_MODIFY_ELEMENT_METHOD = 'modifyElement';
  var DECORATOR_AFTER_RENDER_METHOD = 'afterRender';
  var DECORATOR_GET_EXCLUDED_SELECTORS_METHOD = 'getExcludedSelectors';
  var EditProvider = Class.inherit({
    ctor: function ctor(list) {
      this._list = list;
  
      this._fetchRequiredDecorators();
    },
    dispose: function dispose() {
      if (this._decorators && this._decorators.length) {
        each(this._decorators, function (_, decorator) {
          decorator.dispose();
        });
      }
    },
    _fetchRequiredDecorators: function _fetchRequiredDecorators() {
      this._decorators = [];
      each(editOptionsRegistry, function (_, option) {
        var optionEnabled = option.enabled.call(this._list);
  
        if (optionEnabled) {
          var decoratorType = option.decoratorType.call(this._list);
          var decoratorSubType = option.decoratorSubType.call(this._list);
  
          var decorator = this._createDecorator(decoratorType, decoratorSubType);
  
          this._decorators.push(decorator);
        }
      }.bind(this));
    },
    _createDecorator: function _createDecorator(type, subType) {
      var decoratorClass = this._findDecorator(type, subType);
  
      return new decoratorClass(this._list);
    },
    _findDecorator: function _findDecorator(type, subType) {
      var _registry$type;
  
      var foundDecorator = (_registry$type = registry[type]) === null || _registry$type === void 0 ? void 0 : _registry$type[subType];
  
      if (!foundDecorator) {
        throw errors.Error('E1012', type, subType);
      }
  
      return foundDecorator;
    },
    modifyItemElement: function modifyItemElement(args) {
      var $itemElement = $(args.itemElement);
      var config = {
        $itemElement: $itemElement
      };
  
      this._prependBeforeBags($itemElement, config);
  
      this._appendAfterBags($itemElement, config);
  
      this._applyDecorators(DECORATOR_MODIFY_ELEMENT_METHOD, config);
    },
    afterItemsRendered: function afterItemsRendered() {
      this._applyDecorators(DECORATOR_AFTER_RENDER_METHOD);
    },
    _prependBeforeBags: function _prependBeforeBags($itemElement, config) {
      var $beforeBags = this._collectDecoratorsMarkup(DECORATOR_BEFORE_BAG_CREATE_METHOD, config, LIST_ITEM_BEFORE_BAG_CLASS);
  
      $itemElement.prepend($beforeBags);
    },
    _appendAfterBags: function _appendAfterBags($itemElement, config) {
      var $afterBags = this._collectDecoratorsMarkup(DECORATOR_AFTER_BAG_CREATE_METHOD, config, LIST_ITEM_AFTER_BAG_CLASS);
  
      $itemElement.append($afterBags);
    },
    _collectDecoratorsMarkup: function _collectDecoratorsMarkup(method, config, containerClass) {
      var $collector = $('<div>');
      each(this._decorators, function () {
        var $container = $('<div>').addClass(containerClass);
        this[method](extend({
          $container: $container
        }, config));
  
        if ($container.children().length) {
          $collector.append($container);
        }
      });
      return $collector.children();
    },
    _applyDecorators: function _applyDecorators(method, config) {
      each(this._decorators, function () {
        this[method](config);
      });
    },
    _handlerExists: function _handlerExists(name) {
      if (!this._decorators) {
        return false;
      }
  
      var decorators = this._decorators;
      var length = decorators.length;
  
      for (var i = 0; i < length; i++) {
        if (decorators[i][name] !== noop) {
          return true;
        }
      }
  
      return false;
    },
    _eventHandler: function _eventHandler(name, $itemElement, e) {
      if (!this._decorators) {
        return false;
      }
  
      var response = false;
      var decorators = this._decorators;
      var length = decorators.length;
  
      for (var i = 0; i < length; i++) {
        response = decorators[i][name]($itemElement, e);
  
        if (response) {
          break;
        }
      }
  
      return response;
    },
    handleClick: function handleClick($itemElement, e) {
      return this._eventHandler('handleClick', $itemElement, e);
    },
    handleKeyboardEvents: function handleKeyboardEvents(currentFocusedIndex, moveFocusUp) {
      return this._eventHandler('handleKeyboardEvents', currentFocusedIndex, moveFocusUp);
    },
    handleEnterPressing: function handleEnterPressing(e) {
      return this._eventHandler('handleEnterPressing', e);
    },
    contextMenuHandlerExists: function contextMenuHandlerExists() {
      return this._handlerExists('handleContextMenu');
    },
    handleContextMenu: function handleContextMenu($itemElement, e) {
      return this._eventHandler('handleContextMenu', $itemElement, e);
    },
    getExcludedItemSelectors: function getExcludedItemSelectors() {
      var excludedSelectors = [];
  
      this._applyDecorators(DECORATOR_GET_EXCLUDED_SELECTORS_METHOD, excludedSelectors);
  
      return excludedSelectors.join(',');
    }
  });
  export default EditProvider;