public async Task Refresh(DependencyExplorerWindowViewModel viewModel)
{
Node sourceNode = GetNodeOrParent(viewModel.SourceNodeName);
Node targetNode = GetNodeOrParent(viewModel.TargetNodeName);
await SetSourceAndTargetItemsAsync(viewModel, sourceNode, targetNode);
}
public async void FilterOn(
DependencyExplorerWindowViewModel viewModel,
DependencyItem dependencyItem,
bool isSourceSide)
{
if (!TryGetNode(viewModel.SourceNodeName, out Node sourceNode))
{
message.ShowInfo(
$"The source node no longer exists in the model:\n{viewModel.SourceNodeName.DisplayLongName}");
return;
}
if (!TryGetNode(viewModel.TargetNodeName, out Node targetNode))
{
message.ShowInfo(
$"The target node no longer exists in the model:\n{viewModel.TargetNodeName.DisplayLongName}");
return;
}
if (!TryGetNode(dependencyItem.NodeName, out Node itemNode))
{
message.ShowInfo(
$"The clicked node no longer exists in the model:\n{dependencyItem.NodeName.DisplayLongName}");
return;
}
await FilterOn(viewModel, sourceNode, targetNode, itemNode, isSourceSide);
}
private async void InitializeFromLineAsync(DependencyExplorerWindowViewModel viewModel, Line line)
{
// For lines to/from parent, use root
Node sourceNode = line.Source;
Node targetNode = line.Target;
await SetSourceAndTargetItemsAsync(viewModel, sourceNode, targetNode);
}
public async Task SwitchSidesAsync(DependencyExplorerWindowViewModel viewModel)
{
NodeName nodeName = viewModel.SourceNodeName;
viewModel.SourceNodeName = viewModel.TargetNodeName;
viewModel.TargetNodeName = nodeName;
await SetSidesAsync(viewModel);
}
public void Initialize(DependencyExplorerWindowViewModel viewModel, Node node, Line line)
{
if (node != null)
{
InitializeFromNodeAsync(viewModel, node);
}
else
{
InitializeFromLineAsync(viewModel, line);
}
}
private Task <IReadOnlyList <DependencyItem> > GetDependencyItemsAsync(
DependencyExplorerWindowViewModel viewModel,
bool isSourceSide,
Node sourceNode,
Node targetNode)
{
Options options = new Options(
isSourceSide, sourceNode, targetNode, viewModel.HiddenSourceNodes, viewModel.HiddenTargetNodes);
return(dependenciesService.GetDependencyItemsAsync(options));
}
private async Task SetTextsAsync(
DependencyExplorerWindowViewModel viewModel,
Node sourceNode,
Node targetNode)
{
await Task.Yield();
NodeName sourceName = sourceNode == targetNode.Parent ? NodeName.Root : viewModel.SourceNodeName;
NodeName targetName = targetNode == sourceNode.Parent ? NodeName.Root : viewModel.TargetNodeName;
viewModel.SourceText = ToNodeText(sourceName);
viewModel.TargetText = ToNodeText(targetName);
}
public void ShowDependencies(
DependencyExplorerWindowViewModel viewModel, NodeName nodeName, bool isSourceItem)
{
var hiddenNodes = isSourceItem ? viewModel.HiddenSourceNodes : viewModel.HiddenTargetNodes;
Node node = hiddenNodes.FirstOrDefault(n => n.Name == nodeName);
if (node != null)
{
hiddenNodes.Remove(node);
}
viewModel.ModelChanged();
viewModel.NotifyAll();
}
private async Task SetSourceAndTargetItemsAsync(
DependencyExplorerWindowViewModel viewModel,
Node sourceNode,
Node targetNode)
{
viewModel.SourceNodeName = sourceNode.Name;
viewModel.TargetNodeName = targetNode.Name;
await SetDependencyItemsAsync(viewModel, sourceNode, targetNode, true);
await SetDependencyItemsAsync(viewModel, sourceNode, targetNode, false);
await SetTextsAsync(viewModel, sourceNode, targetNode);
SelectNode(sourceNode, viewModel.SourceItems);
SelectNode(targetNode, viewModel.TargetItems);
}
private async Task FilterOn(
DependencyExplorerWindowViewModel viewModel,
Node sourceNode,
Node targetNode,
Node itemNode,
bool isSourceSide)
{
bool isAncestor = false;
if (isSourceSide)
{
isAncestor = sourceNode.Ancestors().Contains(itemNode);
sourceNode = itemNode;
}
else
{
isAncestor = targetNode.Ancestors().Contains(itemNode);
targetNode = itemNode;
}
await SetDependencyItemsAsync(viewModel, sourceNode, targetNode, !isSourceSide);
if (isAncestor)
{
await SetDependencyItemsAsync(viewModel, sourceNode, targetNode, isSourceSide);
}
await SetTextsAsync(viewModel, sourceNode, targetNode);
if (isSourceSide)
{
SelectNode(targetNode, viewModel.TargetItems);
if (isAncestor)
{
SelectNode(sourceNode, viewModel.SourceItems);
}
}
else
{
SelectNode(sourceNode, viewModel.SourceItems);
if (isAncestor)
{
SelectNode(targetNode, viewModel.TargetItems);
}
}
}
public void HideDependencies(
DependencyExplorerWindowViewModel viewModel, NodeName nodeName, bool isSourceItem)
{
if (!modelService.TryGetNode(nodeName, out Node node))
{
return;
}
var hiddenNodes = isSourceItem ? viewModel.HiddenSourceNodes : viewModel.HiddenTargetNodes;
if (!hiddenNodes.Contains(node))
{
hiddenNodes.Add(node);
}
viewModel.ModelChanged();
viewModel.NotifyAll();
}
private async Task SetSidesAsync(DependencyExplorerWindowViewModel viewModel)
{
if (!TryGetNode(viewModel.SourceNodeName, out Node sourceNode))
{
message.ShowInfo(
$"The source node no longer exists in the model:\n{viewModel.SourceNodeName.DisplayLongName}");
return;
}
if (!TryGetNode(viewModel.TargetNodeName, out Node targetNode))
{
message.ShowInfo(
$"The target node no longer exists in the model:\n{viewModel.TargetNodeName.DisplayLongName}");
return;
}
await SetSourceAndTargetItemsAsync(viewModel, sourceNode, targetNode);
}
private async Task SetDependencyItemsAsync(
DependencyExplorerWindowViewModel viewModel,
Node sourceNode,
Node targetNode,
bool isSourceSide)
{
viewModel.SourceNodeName = sourceNode.Name;
viewModel.TargetNodeName = targetNode.Name;
var dependencyItems = await GetDependencyItemsAsync(viewModel, isSourceSide, sourceNode, targetNode);
var items = isSourceSide ? viewModel.SourceItems : viewModel.TargetItems;
items.Clear();
dependencyItems
.OrderBy(item => item.NodeName.DisplayShortName)
.Select(item => new DependencyItemViewModel(item, viewModel, isSourceSide))
.ForEach(item => items.Add(item));
}
private async void InitializeFromNodeAsync(DependencyExplorerWindowViewModel viewModel, Node node)
{
Node sourceNode;
Node targetNode;
// By default assume node is source if there are source lines (or node is no target)
if (node.SourceLines.Any(l => l.Owner != node) || !node.TargetLines.Any())
{
sourceNode = node;
targetNode = node.Root;
}
else
{
// Node has no source lines so node as target
sourceNode = node.Root;
targetNode = node;
}
await SetSourceAndTargetItemsAsync(viewModel, sourceNode, targetNode);
}