behavior-reorder-columns.js
24a6eeb8d8a5master

behavior-reorder-columns.js
View Options

			/**
			* @provides javelin-behavior-reorder-columns
			* @requires javelin-behavior
			* javelin-stratcom
			* javelin-workflow
			* javelin-dom
			* phabricator-draggable-list
			*/

			JX.behavior('reorder-columns', function(config) {

			var root = JX.$(config.listID);

			var list = new JX.DraggableList('board-column', root)
			.setFindItemsHandler(function() {
			return JX.DOM.scry(root, 'li', 'board-column');
			});

			list.listen('didDrop', function(node) {
			var nodes = list.findItems();

			var node_data = JX.Stratcom.getData(node);

			// Find the column sequence of the previous node.
			var sequence = null;
			var data;
			for (var ii = 0; ii < nodes.length; ii++) {
			data = JX.Stratcom.getData(nodes[ii]);
			if (data.columnPHID === node_data.columnPHID) {
			break;
			}
			sequence = data.columnSequence;
			}

			list.lock();
			JX.DOM.alterClass(node, 'drag-sending', true);

			var parameters = {
			columnPHID: node_data.columnPHID,
			sequence: (sequence === null) ? 0 : (parseInt(sequence, 10) + 1)
			};

			new JX.Workflow(config.reorderURI, parameters)
			.setHandler(function(r) {

			// Adjust metadata for the new sequence numbers.
			for (var ii = 0; ii < nodes.length; ii++) {
			var data = JX.Stratcom.getData(nodes[ii]);
			data.columnSequence = r.sequenceMap[data.columnPHID];
			}

			list.unlock();
			JX.DOM.alterClass(node, 'drag-sending', false);
			})
			.start();
			});

			});