63 	function setActiveDescendant(tree, $target) {  argument
66 		tree.$container.attr("aria-activedescendant", id);
103 	function findNeighbourTd(tree, $target, keyCode) {  argument
109 			treeOpts = tree.options,
127 				nextNode = tree.findRelatedNode(node, keyCode);
149 	function getGridNavMode(tree) {  argument
150 		if (tree.$activeTd) {
151 			return tree.forceNavMode ? "cell-nav" : "cell-edit";
187 			tree = this,
207 				activeTd: tree.$activeTd,
300 			var tree = ctx.tree,
305 			if (tree.ext.grid) {
354 						!$td.is(tree.$activeTd) &&
358 						tree.activateCell($td);
366 						tree.debug("Enforce cell-mode on init");
367 						tree.debug(
369 							tree.getActiveNode() || tree.getFirstChild()
372 							tree.getActiveNode() || tree.getFirstChild()
373 						).setActive(true, { cell: tree.nodeColumnIdx });
374 						tree.debug(
376 							tree.getActiveNode() || tree.getFirstChild()
382 					if (opts.cellFocus === "force" && !tree.$activeTd) {
383 						var node = tree.getActiveNode() || tree.getFirstChild();
384 						tree.debug("Enforce cell-mode on focusTree event");
395 					if (tree.viewport && tree.$activeTd) {
396 						tree.info("Cancel cell-mode due to scroll event.");
397 						tree.activateCell(null);
403 				tree = ctx.tree,
409 			tree.debug(
419 					(tree.$activeTd ? tree.$activeTd.text() : null)
422 			if (tree.$activeTd) {
424 				tree.activateCell($td);
438 			var tree = ctx.tree,
447 				!tree.$activeTd &&
451 				tree.activateCell($td);
495 				tree = ctx.tree,
508 				tree.activateCell($td);
520 				tree = ctx.tree,
532 					tree.forceNavMode &&
548 			tree.debug(
568 						$td = findNeighbourTd(tree, $activeTd, eventString);
570 							tree.activateCell($td);
583 						tree.activateCell($td);
596 						$td = findNeighbourTd(tree, $activeTd, eventString);
604 							tree.activateCell($td);
611 					if ($activeTd && !tree.forceNavMode) {
614 						tree.forceNavMode = true;
615 						tree.debug("Enter cell-nav-mode");
616 						tree.$container.toggleClass(
618 							!!tree.forceNavMode
623 						tree.activateCell(null);
632 					res = tree._triggerNodeEvent(
637 							activeTd: tree.$activeTd ? tree.$activeTd[0] : null,
639 							mode: getGridNavMode(tree),
659 						} else if (tree.forceNavMode && $target.is(":input")) {
660 							tree.forceNavMode = false;
661 							tree.$container.removeClass(
664 							tree.debug("enable cell-edit-mode");
673 						tree.activateCell($td);
697 			var tree = ctx.tree,
698 				opts = tree.options.ariagrid;