Chris@0: /**
Chris@0:  * @file
Chris@0:  * Taxonomy behaviors.
Chris@0:  */
Chris@0: 
Chris@17: (function($, Drupal) {
Chris@0:   /**
Chris@0:    * Move a block in the blocks table from one region to another.
Chris@0:    *
Chris@0:    * This behavior is dependent on the tableDrag behavior, since it uses the
Chris@0:    * objects initialized in that behavior to update the row.
Chris@0:    *
Chris@0:    * @type {Drupal~behavior}
Chris@0:    *
Chris@0:    * @prop {Drupal~behaviorAttach} attach
Chris@0:    *   Attaches the drag behavior to a applicable table element.
Chris@0:    */
Chris@0:   Drupal.behaviors.termDrag = {
Chris@0:     attach(context, settings) {
Chris@0:       const backStep = settings.taxonomy.backStep;
Chris@0:       const forwardStep = settings.taxonomy.forwardStep;
Chris@0:       // Get the blocks tableDrag object.
Chris@0:       const tableDrag = Drupal.tableDrag.taxonomy;
Chris@0:       const $table = $('#taxonomy');
Chris@0:       const rows = $table.find('tr').length;
Chris@0: 
Chris@0:       // When a row is swapped, keep previous and next page classes set.
Chris@17:       tableDrag.row.prototype.onSwap = function(swappedRow) {
Chris@17:         $table
Chris@17:           .find('tr.taxonomy-term-preview')
Chris@17:           .removeClass('taxonomy-term-preview');
Chris@17:         $table
Chris@17:           .find('tr.taxonomy-term-divider-top')
Chris@17:           .removeClass('taxonomy-term-divider-top');
Chris@17:         $table
Chris@17:           .find('tr.taxonomy-term-divider-bottom')
Chris@17:           .removeClass('taxonomy-term-divider-bottom');
Chris@0: 
Chris@0:         const tableBody = $table[0].tBodies[0];
Chris@0:         if (backStep) {
Chris@0:           for (let n = 0; n < backStep; n++) {
Chris@0:             $(tableBody.rows[n]).addClass('taxonomy-term-preview');
Chris@0:           }
Chris@0:           $(tableBody.rows[backStep - 1]).addClass('taxonomy-term-divider-top');
Chris@0:           $(tableBody.rows[backStep]).addClass('taxonomy-term-divider-bottom');
Chris@0:         }
Chris@0: 
Chris@0:         if (forwardStep) {
Chris@0:           for (let k = rows - forwardStep - 1; k < rows - 1; k++) {
Chris@0:             $(tableBody.rows[k]).addClass('taxonomy-term-preview');
Chris@0:           }
Chris@17:           $(tableBody.rows[rows - forwardStep - 2]).addClass(
Chris@17:             'taxonomy-term-divider-top',
Chris@17:           );
Chris@17:           $(tableBody.rows[rows - forwardStep - 1]).addClass(
Chris@17:             'taxonomy-term-divider-bottom',
Chris@17:           );
Chris@0:         }
Chris@0:       };
Chris@0:     },
Chris@0:   };
Chris@17: })(jQuery, Drupal);