/// <summary>
/// Loads children items for the provided item in to the specified nodes.
/// Loaded children are cached until <see cref="ResetCache"/> method is called.
/// For file type items it also loads icons associated with these types at the OS level.
/// </summary>
/// <param name="item"></param>
/// <param name="nodes"></param>
/// <param name="imageCollection"></param>
/// <remarks>The method DOES NOT check any input parameters for performance reasons.</remarks>
public void LoadChildren(IGitItem item, TreeNodeCollection nodes, ImageList.ImageCollection imageCollection)
{
var childrenItems = _cachedItems.GetOrAdd(item.Guid, _revisionInfoProvider.LoadChildren(item));
if (childrenItems == null)
{
return;
}
foreach (var childItem in childrenItems.OrderBy(gi => gi, new GitFileTreeComparer()))
{
var subNode = nodes.Add(childItem.Name);
subNode.Tag = childItem;
var gitItem = childItem as GitItem;
if (gitItem == null)
{
subNode.Nodes.Add(new TreeNode());
continue;
}
switch (gitItem.ObjectType)
{
case GitObjectType.Tree:
{
subNode.ImageIndex = subNode.SelectedImageIndex = TreeNodeImages.Folder;
subNode.Nodes.Add(new TreeNode());
break;
}
case GitObjectType.Commit:
{
subNode.ImageIndex = subNode.SelectedImageIndex = TreeNodeImages.Submodule;
subNode.Text = $@"{childItem.Name} (Submodule)";
break;
}
case GitObjectType.Blob:
{
var extension = Path.GetExtension(gitItem.FileName);
if (string.IsNullOrWhiteSpace(extension))
{
continue;
}
if (!imageCollection.ContainsKey(extension))
{
var fileIcon = _iconProvider.Get(_module.WorkingDir, gitItem.FileName);
if (fileIcon == null)
{
continue;
}
imageCollection.Add(extension, fileIcon);
}
subNode.ImageKey = subNode.SelectedImageKey = extension;
break;
}
}
}
}
/// <summary>
/// Loads the provided items in the specified nodes.
/// For file type items it also loads icons associated with these types at the OS level.
/// </summary>
/// <param name="items"></param>
/// <param name="node"></param>
/// <param name="imageCollection"></param>
/// <remarks>The method DOES NOT check any input parameters for performance reasons.</remarks>
public void LoadItemsInTreeView(IEnumerable <IGitItem> items, TreeNodeCollection node, ImageList.ImageCollection imageCollection)
{
var sortedItems = items.OrderBy(gi => gi, new GitFileTreeComparer());
foreach (var item in sortedItems)
{
var subNode = node.Add(item.Name);
subNode.Tag = item;
var gitItem = item as GitItem;
if (gitItem == null)
{
subNode.Nodes.Add(new TreeNode());
continue;
}
if (gitItem.IsTree)
{
subNode.ImageIndex = subNode.SelectedImageIndex = TreeNodeImages.Folder;
subNode.Nodes.Add(new TreeNode());
continue;
}
if (gitItem.IsCommit)
{
subNode.ImageIndex = subNode.SelectedImageIndex = TreeNodeImages.Submodule;
subNode.Text = $@"{item.Name} (Submodule)";
continue;
}
if (gitItem.IsBlob)
{
var extension = Path.GetExtension(gitItem.FileName);
if (string.IsNullOrWhiteSpace(extension))
{
continue;
}
if (!imageCollection.ContainsKey(extension))
{
var fileIcon = _iconProvider.Get(_module.WorkingDir, gitItem.FileName);
if (fileIcon == null)
{
continue;
}
imageCollection.Add(extension, fileIcon);
}
subNode.ImageKey = subNode.SelectedImageKey = extension;
}
}
}