dearwolf/sourcegit
1
0
Fork 0
mirror of https://github.com/sourcegit-scm/sourcegit synced 2025-05-22 12:45:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

feature: new way to expand/collapse folder node in TreeDataGrid

Browse source
This commit is contained in:
leo 2024-05-30 09:53:07 +08:00
parent f4d379e3b8
commit 55c9fae110
10 changed files with 58 additions and 73 deletions
Download patch file Download diff file Expand all files Collapse all files

185
src/Models/FileTreeNode.cs Normal file
View file

@ -0,0 +1,185 @@
using System;
using System.Collections.Generic;
namespace SourceGit.Models
{
public class FileTreeNode
{
public string FullPath { get; set; } = string.Empty;
public bool IsFolder { get; set; } = false;
public bool IsExpanded { get; set; } = false;
public object Backend { get; set; } = null;
public List<FileTreeNode> Children { get; set; } = new List<FileTreeNode>();
public static List<FileTreeNode> Build(List<Change> changes, bool expanded)
{
var nodes = new List<FileTreeNode>();
var folders = new Dictionary<string, FileTreeNode>();
foreach (var c in changes)
{
var sepIdx = c.Path.IndexOf('/', StringComparison.Ordinal);
if (sepIdx == -1)
{
nodes.Add(new FileTreeNode()
{
FullPath = c.Path,
Backend = c,
IsFolder = false,
IsExpanded = false
});
}
else
{
FileTreeNode lastFolder = null;
var start = 0;
while (sepIdx != -1)
{
var folder = c.Path.Substring(0, sepIdx);
if (folders.TryGetValue(folder, out var value))
{
lastFolder = value;
}
else if (lastFolder == null)
{
lastFolder = new FileTreeNode()
{
FullPath = folder,
Backend = null,
IsFolder = true,
IsExpanded = expanded
};
nodes.Add(lastFolder);
folders.Add(folder, lastFolder);
}
else
{
var cur = new FileTreeNode()
{
FullPath = folder,
Backend = null,
IsFolder = true,
IsExpanded = expanded
};
folders.Add(folder, cur);
lastFolder.Children.Add(cur);
lastFolder = cur;
}
start = sepIdx + 1;
sepIdx = c.Path.IndexOf('/', start);
}
lastFolder.Children.Add(new FileTreeNode()
{
FullPath = c.Path,
Backend = c,
IsFolder = false,
IsExpanded = false
});
}
}
folders.Clear();
Sort(nodes);
return nodes;
}
public static List<FileTreeNode> Build(List<Object> files, bool expanded)
{
var nodes = new List<FileTreeNode>();
var folders = new Dictionary<string, FileTreeNode>();
foreach (var f in files)
{
var sepIdx = f.Path.IndexOf('/', StringComparison.Ordinal);
if (sepIdx == -1)
{
nodes.Add(new FileTreeNode()
{
FullPath = f.Path,
Backend = f,
IsFolder = false,
IsExpanded = false
});
}
else
{
FileTreeNode lastFolder = null;
var start = 0;
while (sepIdx != -1)
{
var folder = f.Path.Substring(0, sepIdx);
if (folders.TryGetValue(folder, out var value))
{
lastFolder = value;
}
else if (lastFolder == null)
{
lastFolder = new FileTreeNode()
{
FullPath = folder,
Backend = null,
IsFolder = true,
IsExpanded = expanded
};
nodes.Add(lastFolder);
folders.Add(folder, lastFolder);
}
else
{
var cur = new FileTreeNode()
{
FullPath = folder,
Backend = null,
IsFolder = true,
IsExpanded = expanded
};
folders.Add(folder, cur);
lastFolder.Children.Add(cur);
lastFolder = cur;
}
start = sepIdx + 1;
sepIdx = f.Path.IndexOf('/', start);
}
lastFolder.Children.Add(new FileTreeNode()
{
FullPath = f.Path,
Backend = f,
IsFolder = false,
IsExpanded = false
});
}
}
folders.Clear();
Sort(nodes);
return nodes;
}
private static void Sort(List<FileTreeNode> nodes)
{
nodes.Sort((l, r) =>
{
if (l.IsFolder == r.IsFolder)
{
return l.FullPath.CompareTo(r.FullPath);
}
else
{
return l.IsFolder ? -1 : 1;
}
});
foreach (var node in nodes)
{
if (node.Children.Count > 1)
Sort(node.Children);
}
}
}
}

22
src/Models/TreeDataGridSelectionModel.cs
View file

@ -188,7 +188,12 @@ namespace SourceGit.Models
}
else if (e.ClickCount % 2 == 0)
{
_rowDoubleTapped?.Invoke(this, e);
var focus = _source.Rows[row.RowIndex];
if (focus is IExpander expander && HasChildren(focus))
expander.IsExpanded = !expander.IsExpanded;
else
_rowDoubleTapped?.Invoke(this, e);
e.Handled = true;
}
else if (sender.RowSelection.Count > 1)
@ -420,7 +425,22 @@ namespace SourceGit.Models
protected override IEnumerable<TModel> GetChildren(TModel node)
{
if (node == null)
return null;
return _childrenGetter?.Invoke(node);
}
private bool HasChildren(IRow row)
{
var children = GetChildren(row.Model as TModel);
if (children != null)
{
foreach (var c in children)
return true;
}
return false;
}
}
}