protected void OnDependenciesChanged(IDependenciesChangeDiff changes,
IProjectVersionedValue <
Tuple <IProjectSubscriptionUpdate,
IProjectCatalogSnapshot,
IProjectSharedFoldersSnapshot> > e,
RuleHandlerType handlerType)
{
IImmutableDictionary <NamedIdentity, IComparable> dataSourceVersions = null;
lock (_syncObject)
{
if (_latestDataSourceVersions == null)
{
// very first time send some versions even for Evaluation
dataSourceVersions = e?.DataSourceVersions;
}
_latestDataSourceVersions = e?.DataSourceVersions;
if (handlerType == RuleHandlerType.DesignTimeBuild)
{
// Only update versions after DesignTimeBuild events, since they would bring resolved
// dependencies and if some components would want to known when tree latest state changed,
// DesignTimeBuild events are the ones that bring final state.
dataSourceVersions = _latestDataSourceVersions;
}
}
DependenciesChanged(this,
new DependenciesChangedEventArgs(
this,
changes,
e?.Value?.Item2,
dataSourceVersions));
}
/// <summary>
/// Discovers if there any changes to apply for existing node, after it's context changed.
/// </summary>
private bool AnyChangesToTrack(IDependencyNode node,
IDependencyNode updatedNode,
IDependenciesChangeDiff diff,
out IEnumerable <IDependencyNode> nodesToAdd,
out IEnumerable <IDependencyNode> nodesToRemove)
{
var existingChildren = node.Children;
if (node.Flags.Contains(DependencyNode.DependsOnOtherProviders))
{
var remove = new HashSet <IDependencyNode>(diff.RemovedNodes);
var add = new HashSet <IDependencyNode>(diff.AddedNodes);
foreach (var changedNode in diff.UpdatedNodes)
{
remove.Add(changedNode);
add.Add(changedNode);
}
nodesToAdd = add;
nodesToRemove = remove;
}
else
{
var updatedChildren = updatedNode.Children;
var comparer = new DependencyNodeResolvedStateComparer();
nodesToRemove = existingChildren.Except(updatedChildren, comparer).ToList();
nodesToAdd = updatedChildren.Except(existingChildren, comparer).ToList();
}
return(nodesToAdd.Any() || nodesToRemove.Any());
}
public DependenciesChangedEventArgs(IProjectDependenciesSubTreeProvider provider,
IDependenciesChangeDiff changes,
IProjectCatalogSnapshot catalogs,
IImmutableDictionary <NamedIdentity, IComparable> dataSourceVersions)
{
Provider = provider;
Changes = changes;
Catalogs = catalogs;
DataSourceVersions = dataSourceVersions;
}
protected void OnDependenciesChanged(IDependenciesChangeDiff changes,
IProjectVersionedValue <
Tuple <IProjectSubscriptionUpdate,
IProjectCatalogSnapshot,
IProjectSharedFoldersSnapshot> > e)
{
DependenciesChanged(this,
new DependenciesChangedEventArgs(
this,
changes,
e?.Value?.Item2,
e?.DataSourceVersions));
}
/// <summary>
/// Creates or updates a project tree for a given IProjectDependenciesSubTreeProvider
/// </summary>
/// <param name="dependenciesNode"></param>
/// <param name="subTreeProvider"></param>
/// <param name="changes"></param>
/// <param name="catalogs">Can be null if sub tree provider does not use design time build</param>
/// <param name="cancellationToken"></param>
/// <returns>IProjectTree for root Dependencies node</returns>
private IProjectTree CreateOrUpdateSubTreeProviderNode(IProjectTree dependenciesNode,
IProjectDependenciesSubTreeProvider subTreeProvider,
IDependenciesChangeDiff changes,
IProjectCatalogSnapshot catalogs,
CancellationToken cancellationToken)
{
Requires.NotNull(dependenciesNode, nameof(dependenciesNode));
Requires.NotNull(subTreeProvider, nameof(subTreeProvider));
Requires.NotNull(subTreeProvider.RootNode, nameof(subTreeProvider.RootNode));
Requires.NotNullOrEmpty(subTreeProvider.RootNode.Caption, nameof(subTreeProvider.RootNode.Caption));
Requires.NotNullOrEmpty(subTreeProvider.ProviderType, nameof(subTreeProvider.ProviderType));
var projectFolder = Path.GetDirectoryName(UnconfiguredProject.FullPath);
var providerRootTreeNode = GetSubTreeRootNode(dependenciesNode,
subTreeProvider.RootNode.Flags);
if (subTreeProvider.RootNode.HasChildren || subTreeProvider.ShouldBeVisibleWhenEmpty)
{
bool newNode = false;
if (providerRootTreeNode == null)
{
providerRootTreeNode = NewTree(
caption: subTreeProvider.RootNode.Caption,
visible: true,
filePath: subTreeProvider.RootNode.Id.ToString(),
browseObjectProperties: null,
flags: subTreeProvider.RootNode.Flags,
icon: subTreeProvider.RootNode.Icon.ToProjectSystemType(),
expandedIcon: subTreeProvider.RootNode.ExpandedIcon.ToProjectSystemType());
newNode = true;
}
if (changes != null)
{
foreach (var removedItem in changes.RemovedNodes)
{
if (cancellationToken.IsCancellationRequested)
{
return(dependenciesNode);
}
var treeNode = FindProjectTreeNode(providerRootTreeNode, removedItem, projectFolder);
if (treeNode != null)
{
providerRootTreeNode = treeNode.Remove();
}
}
foreach (var updatedItem in changes.UpdatedNodes)
{
if (cancellationToken.IsCancellationRequested)
{
return(dependenciesNode);
}
var treeNode = FindProjectTreeNode(providerRootTreeNode, updatedItem, projectFolder);
if (treeNode != null)
{
var updatedNodeParentContext = GetCustomPropertyContext(treeNode.Parent);
var updatedValues = new ReferencesProjectTreeCustomizablePropertyValues
{
Caption = updatedItem.Caption,
Flags = updatedItem.Flags,
Icon = updatedItem.Icon.ToProjectSystemType(),
ExpandedIcon = updatedItem.ExpandedIcon.ToProjectSystemType()
};
ApplyProjectTreePropertiesCustomization(updatedNodeParentContext, updatedValues);
// update existing tree node properties
treeNode = treeNode.SetProperties(
caption: updatedItem.Caption,
flags: updatedItem.Flags,
icon: updatedItem.Icon.ToProjectSystemType(),
expandedIcon: updatedItem.ExpandedIcon.ToProjectSystemType());
providerRootTreeNode = treeNode.Parent;
}
}
foreach (var addedItem in changes.AddedNodes)
{
if (cancellationToken.IsCancellationRequested)
{
return(dependenciesNode);
}
var treeNode = FindProjectTreeNode(providerRootTreeNode, addedItem, projectFolder);
if (treeNode == null)
{
treeNode = CreateProjectItemTreeNode(providerRootTreeNode, addedItem, catalogs);
providerRootTreeNode = providerRootTreeNode.Add(treeNode).Parent;
}
}
}
if (newNode)
{
dependenciesNode = dependenciesNode.Add(providerRootTreeNode).Parent;
}
else
{
dependenciesNode = providerRootTreeNode.Parent;
}
}
else
{
if (providerRootTreeNode != null)
{
dependenciesNode = dependenciesNode.Remove(providerRootTreeNode);
}
}
return(dependenciesNode);
}
/// <summary>
/// Creates or updates a project tree for a given IProjectDependenciesSubTreeProvider
/// </summary>
/// <param name="dependenciesNode"></param>
/// <param name="subTreeProvider"></param>
/// <param name="changes"></param>
/// <param name="catalogs">Can be null if sub tree provider does not use design time build</param>
/// <param name="cancellationToken"></param>
/// <returns>IProjectTree for root Dependencies node</returns>
private IProjectTree CreateOrUpdateSubTreeProviderNode(IProjectTree dependenciesNode,
IProjectDependenciesSubTreeProvider subTreeProvider,
IDependenciesChangeDiff changes,
IProjectCatalogSnapshot catalogs,
CancellationToken cancellationToken)
{
Requires.NotNull(dependenciesNode, nameof(dependenciesNode));
Requires.NotNull(subTreeProvider, nameof(subTreeProvider));
Requires.NotNull(subTreeProvider.RootNode, nameof(subTreeProvider.RootNode));
Requires.NotNullOrEmpty(subTreeProvider.RootNode.Caption, nameof(subTreeProvider.RootNode.Caption));
Requires.NotNullOrEmpty(subTreeProvider.ProviderType, nameof(subTreeProvider.ProviderType));
var providerRootTreeNode = GetSubTreeRootNode(dependenciesNode,
subTreeProvider.RootNode.Flags);
if (subTreeProvider.RootNode.HasChildren || subTreeProvider.ShouldBeVisibleWhenEmpty)
{
bool newNode = false;
if (providerRootTreeNode == null)
{
providerRootTreeNode = NewTree(
caption: subTreeProvider.RootNode.Caption,
visible: true,
filePath: subTreeProvider.RootNode.Id.ToString(),
browseObjectProperties: null,
flags: subTreeProvider.RootNode.Flags,
icon: subTreeProvider.RootNode.Icon.ToProjectSystemType(),
expandedIcon: subTreeProvider.RootNode.ExpandedIcon.ToProjectSystemType());
newNode = true;
}
if (changes != null)
{
foreach (var removedItem in changes.RemovedNodes)
{
if (cancellationToken.IsCancellationRequested)
{
return(dependenciesNode);
}
var treeNode = providerRootTreeNode.FindNodeByPath(removedItem.Id.ToString());
if (treeNode != null)
{
providerRootTreeNode = treeNode.Remove();
}
}
foreach (var updatedItem in changes.UpdatedNodes)
{
if (cancellationToken.IsCancellationRequested)
{
return(dependenciesNode);
}
var treeNode = providerRootTreeNode.FindNodeByPath(updatedItem.Id.ToString());
if (treeNode != null)
{
var updatedNodeParentContext = GetCustomPropertyContext(treeNode.Parent);
var updatedValues = new ReferencesProjectTreeCustomizablePropertyValues
{
Caption = updatedItem.Caption,
Flags = updatedItem.Flags,
Icon = updatedItem.Icon.ToProjectSystemType(),
ExpandedIcon = updatedItem.ExpandedIcon.ToProjectSystemType()
};
ApplyProjectTreePropertiesCustomization(updatedNodeParentContext, updatedValues);
// update existing tree node properties
treeNode = treeNode.SetProperties(
caption: updatedItem.Caption,
flags: updatedItem.Flags,
icon: updatedItem.Icon.ToProjectSystemType(),
expandedIcon: updatedItem.ExpandedIcon.ToProjectSystemType());
providerRootTreeNode = treeNode.Parent;
}
}
var configuredProjectExports = GetActiveConfiguredProjectExports(ActiveConfiguredProject);
foreach (var addedItem in changes.AddedNodes)
{
if (cancellationToken.IsCancellationRequested)
{
return(dependenciesNode);
}
var treeNode = providerRootTreeNode.FindNodeByPath(addedItem.Id.ToString());
if (treeNode == null)
{
IRule rule = null;
if (addedItem.Properties != null)
{
// when itemSpec is not in valid absolute path format, property page does not show
// item name correctly.
var itemSpec = addedItem.Flags.Contains(DependencyNode.CustomItemSpec)
? addedItem.Caption
: addedItem.Id.ItemSpec;
var itemContext = ProjectPropertiesContext.GetContext(UnconfiguredProject,
addedItem.Id.ItemType,
itemSpec);
if (addedItem.Resolved)
{
rule = GetRuleForResolvableReference(
itemContext,
new KeyValuePair <string, IImmutableDictionary <string, string> >(
addedItem.Id.ItemSpec, addedItem.Properties),
catalogs,
configuredProjectExports);
}
else
{
rule = GetRuleForUnresolvableReference(
itemContext,
catalogs,
configuredProjectExports);
}
}
// Notify about tree changes to customization context
var customTreePropertyContext = GetCustomPropertyContext(providerRootTreeNode);
var customTreePropertyValues = new ReferencesProjectTreeCustomizablePropertyValues
{
Caption = addedItem.Caption,
Flags = addedItem.Flags,
Icon = addedItem.Icon.ToProjectSystemType()
};
ApplyProjectTreePropertiesCustomization(customTreePropertyContext, customTreePropertyValues);
treeNode = NewTree(caption: addedItem.Caption,
visible: true,
filePath: addedItem.Id.ToString(),
browseObjectProperties: rule,
flags: addedItem.Flags,
icon: addedItem.Icon.ToProjectSystemType(),
expandedIcon: addedItem.ExpandedIcon.ToProjectSystemType());
providerRootTreeNode = providerRootTreeNode.Add(treeNode).Parent;
}
}
}
if (newNode)
{
dependenciesNode = dependenciesNode.Add(providerRootTreeNode).Parent;
}
else
{
dependenciesNode = providerRootTreeNode.Parent;
}
}
else
{
if (providerRootTreeNode != null)
{
dependenciesNode = dependenciesNode.Remove(providerRootTreeNode);
}
}
return(dependenciesNode);
}
public ProjectContextEventArgs(IDependenciesGraphProjectContext context,
IDependenciesChangeDiff diff = null)
{
Context = context;
Diff = diff ?? new DependenciesChange().GetDiff();
}
