コード例 #1
0
        public void calculates_diff_from_level_0_to_level_1()
        {
            var node       = CreateNodeOfLevel0();
            var otherNode  = CreateNodeOfLevel1();
            var diffResult = TreeMenuDiff.Calculate(node, otherNode);

            Assert.Equal(new[] { 0, 2, 3, 4 }, diffResult.AddedIndexes);
            Assert.Equal(new[] { 1 }, diffResult.RemovedIndexes);
            Assert.Equal(new[] { (0, ItemRelation.Selected) }, diffResult.ChangedIndexes);
        private async Task SetCurrentNodeWithAnimationAsync(UICollectionView collectionView, TreeNode <T, TKey> selectedNode)
        {
            var diffResult = TreeMenuDiff.Calculate(_currentNode, selectedNode);

            diffResult
            .ChangedIndexes
            .Select(x => (cell: collectionView.CellForItem(NSIndexPath.FromRowSection(x.Index, 0)), relation: x.Relation))
            .Where(x => x.cell != null)
            .ForEach((_, x) => _itemStateChanged(x.cell, x.relation));

            _currentNode = selectedNode;
            _itemCollection.CurrentNode = selectedNode;

            await AnimateDiffAsync(collectionView, diffResult);

            NodeSelected?.Invoke(this, selectedNode);
        }
コード例 #3
0
        private async Task SetCurrentNodeWithAnimationAsync(TreeNode <T, TKey> selectedNode)
        {
            var diffResult = TreeMenuDiff.Calculate(_currentNode, selectedNode);

            diffResult
            .ChangedIndexes
            .Select(x => (cell: _recyclerView.FindViewHolderForLayoutPosition(x.Index), relation: x.Relation))
            .Where(x => x.cell != null)
            .ForEach((_, x) => _itemStateChanged(x.cell, x.relation));

            _currentNode = selectedNode;
            _itemCollection.CurrentNode = selectedNode;

            _itemAnimator.DiffResult = diffResult;
            await AnimateDiffAsync(diffResult);

            NodeSelected?.Invoke(this, selectedNode);
        }