import EmberObject, { computed } from '@ember/object';
              
              /**
               * @class Column
               * @extends Ember.Object
               * @namespace SemanticUI
               */
              export default EmberObject.extend({
                /**
                 * Label for the column header.
                 *
                 * @property label
                 * @type String
                 * @required
                 * @public
                 */
                label: '',
              
                /**
                 * Path to the value displayed in this column.
                 *
                 * @property valuePath
                 * @type String
                 * @public
                 */
                valuePath: null,
              
                /**
                 * Type of the header for this column. The type is mapped to a component
                 * name prefixed with `table-header/`. To create custom header types, you
                 * can create a new component named `table-header/my-custom-header` and
                 * specify it here as `headerType: 'my-custom-header'`.
                 *
                 * @property headerType
                 * @type String
                 * @default 'default'
                 * @public
                 */
                headerType: 'default',
              
                /**
                 * Type of the cells for this column. The type is mapped to a component name
                 * prefixed with `table-cell/`. To create custom cell types, you can create
                 * a new component named `table-cell/my-custom-cell` specify it here as
                 * `cellType: 'my-custom-cell'`.
                 *
                 * @property cellType
                 * @type String
                 * @default 'default'
                 * @public
                 */
                cellType: 'default',
              
                /**
                 * Whether the column can be hidden.
                 *
                 * @property hideable
                 * @type Boolean
                 * @default true
                 * @public
                 */
                hideable: true,
              
                /**
                 * Whether the column is hidden.
                 *
                 * @property hidden
                 * @type Boolean
                 * @default false
                 * @public
                 */
                hidden: false,
              
                /**
                 * Whether the column is visible.
                 *
                 * @property visible
                 * @type Boolean
                 * @default true
                 * @public
                 */
                visible: computed('hidden', {
                  get() {
                    return !this.get('hidden');
                  },
                  set(name, value) {
                    this.set('hidden', !value);
                  }
                }),
              
                /**
                 * Whether the column can be sorted.
                 *
                 * @property sortable
                 * @type Boolean
                 * @default false
                 * @public
                 */
                sortable: false,
              
                /**
                 * Whether the column is sorted.
                 *
                 * @property sorted
                 * @type Boolean
                 * @default false
                 * @public
                 */
                sorted: false,
              
                /**
                 * The sort direction when `sorted` is `true`. Either 'ascending' or 'descending'.
                 *
                 * @property direction
                 * @type String
                 * @public
                 */
                direction: '',
              
                /**
                 * Text alignment for the column header and respective cells. Possible
                 * values are `'left'`, `'center'` and `'right'`.
                 *
                 * @property align
                 * @type String
                 * @default 'left'
                 * @public
                 */
                align: 'left',
              
                /**
                 * Vertical alignment for the column header and respective cells. Possible
                 * values are `'top'`, `'middle'` and `'bottom'`.
                 *
                 * @property verticalAlign
                 * @type String
                 * @default 'top'
                 * @public
                 */
                verticalAlign: 'top',
              
                /**
                 * Column width specified as in Semantic UI grid size (e.g. 'ten wide').
                 *
                 * @property width
                 * @type String
                 * @default null
                 * @public
                 */
                width: null,
              
                /**
                 * Whether the column is collapsing so that it only uses as much space
                 * as required.
                 *
                 * @property collapsing
                 * @type Boolean
                 * @default false
                 * @public
                 */
                collapsing: false,
              
                /**
                 * Whether the cells in this column can be edited. Must be used together
                 * with a `cellType` that supports editing.
                 *
                 * @property editable
                 * @type Boolean
                 * @default false
                 * @public
                 */
                editable: false
              });