better-testing

behavior-reorder-fields.js
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			/**
			* @provides javelin-behavior-config-reorder-fields
			* @requires javelin-behavior
			* javelin-stratcom
			* javelin-dom
			* javelin-json
			* phabricator-draggable-list
			*/

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

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

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

			list.listen('didDrop', function() {
			write_state_to_form();
			});

			JX.DOM.listen(root, 'click', 'field-spec-toggle', function(e) {
			e.kill();

			var key = e.getNodeData('field-spec').fieldKey;
			fields[key].disabled = !fields[key].disabled;

			JX.DOM.replace(
			e.getNode('field-spec'),
			JX.$H(
			fields[key].disabled ?
			fields[key].disabledMarkup :
			fields[key].enabledMarkup));

			write_state_to_form();
			});

			var write_state_to_form = function() {
			var nodes = list.findItems();
			var order = [];
			var key;
			for (var ii = 0; ii < nodes.length; ii++) {
			key = JX.Stratcom.getData(nodes[ii]).fieldKey;
			if (key) {
			order.push({
			key: key,
			disabled: fields[key].disabled
			});
			}
			}

			JX.$(config.inputID).value = JX.JSON.stringify(order);
			};

			});