sourcegit/src/ViewModels/CommitDetail.cs

545 lines
20 KiB
C#
Raw Normal View History

using System;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;
using Avalonia.Controls;
using Avalonia.Controls.Models.TreeDataGrid;
using Avalonia.Interactivity;
using Avalonia.Media.Imaging;
using Avalonia.Platform.Storage;
using Avalonia.Threading;
using CommunityToolkit.Mvvm.ComponentModel;
namespace SourceGit.ViewModels
{
public class CommitDetail : ObservableObject
{
public DiffContext DiffContext
{
get => _diffContext;
private set => SetProperty(ref _diffContext, value);
}
public int ActivePageIndex
{
get => _activePageIndex;
set => SetProperty(ref _activePageIndex, value);
}
public Models.Commit Commit
{
get => _commit;
set
{
if (SetProperty(ref _commit, value))
Refresh();
}
}
public List<Models.Change> Changes
{
get => _changes;
set => SetProperty(ref _changes, value);
}
public List<Models.Change> VisibleChanges
{
get => _visibleChanges;
set => SetProperty(ref _visibleChanges, value);
}
public List<Models.Change> SelectedChanges
{
get => _selectedChanges;
set
{
if (SetProperty(ref _selectedChanges, value))
{
if (value == null || value.Count != 1)
DiffContext = null;
else
DiffContext = new DiffContext(_repo, new Models.DiffOption(_commit, value[0]), _diffContext);
}
}
}
public string SearchChangeFilter
{
get => _searchChangeFilter;
set
{
if (SetProperty(ref _searchChangeFilter, value))
{
RefreshVisibleChanges();
}
}
}
public HierarchicalTreeDataGridSource<FileTreeNode> RevisionFiles
{
get => _revisionFiles;
private set => SetProperty(ref _revisionFiles, value);
}
public string SearchFileFilter
{
get => _searchFileFilter;
set
{
if (SetProperty(ref _searchFileFilter, value))
{
RefreshVisibleFiles();
}
}
}
public object ViewRevisionFileContent
{
get => _viewRevisionFileContent;
set => SetProperty(ref _viewRevisionFileContent, value);
}
public CommitDetail(string repo)
{
_repo = repo;
}
public void Cleanup()
{
2024-02-20 02:27:59 -08:00
_repo = null;
_commit = null;
if (_changes != null)
_changes.Clear();
if (_visibleChanges != null)
_visibleChanges.Clear();
if (_selectedChanges != null)
_selectedChanges.Clear();
2024-02-20 02:27:59 -08:00
_searchChangeFilter = null;
_diffContext = null;
if (_revisionFilesBackup != null)
_revisionFilesBackup.Clear();
if (_revisionFiles != null)
_revisionFiles.Dispose();
2024-02-20 02:27:59 -08:00
_searchFileFilter = null;
_viewRevisionFileContent = null;
_cancelToken = null;
}
public void NavigateTo(string commitSHA)
{
var repo = Preference.FindRepository(_repo);
if (repo != null)
repo.NavigateToCommit(commitSHA);
}
public void ClearSearchChangeFilter()
{
SearchChangeFilter = string.Empty;
}
public void ClearSearchFileFilter()
{
SearchFileFilter = string.Empty;
}
public ContextMenu CreateChangeContextMenu(Models.Change change)
{
var menu = new ContextMenu();
var diffWithMerger = new MenuItem();
diffWithMerger.Header = App.Text("DiffWithMerger");
diffWithMerger.Icon = App.CreateMenuIcon("Icons.Diff");
diffWithMerger.Click += (_, ev) =>
{
var opt = new Models.DiffOption(_commit, change);
var type = Preference.Instance.ExternalMergeToolType;
var exec = Preference.Instance.ExternalMergeToolPath;
var tool = Models.ExternalMerger.Supported.Find(x => x.Type == type);
if (tool == null || !File.Exists(exec))
{
App.RaiseException(_repo, "Invalid merge tool in preference setting!");
return;
}
var args = tool.Type != 0 ? tool.DiffCmd : Preference.Instance.ExternalMergeToolDiffCmd;
Task.Run(() => Commands.MergeTool.OpenForDiff(_repo, exec, args, opt));
ev.Handled = true;
};
menu.Items.Add(diffWithMerger);
if (change.Index != Models.ChangeState.Deleted)
{
var history = new MenuItem();
history.Header = App.Text("FileHistory");
history.Icon = App.CreateMenuIcon("Icons.Histories");
history.Click += (_, ev) =>
{
var window = new Views.FileHistories() { DataContext = new FileHistories(_repo, change.Path) };
window.Show();
ev.Handled = true;
};
var blame = new MenuItem();
blame.Header = App.Text("Blame");
blame.Icon = App.CreateMenuIcon("Icons.Blame");
blame.Click += (o, ev) =>
{
var window = new Views.Blame() { DataContext = new Blame(_repo, change.Path, _commit.SHA) };
window.Show();
ev.Handled = true;
};
var full = Path.GetFullPath(Path.Combine(_repo, change.Path));
var explore = new MenuItem();
explore.Header = App.Text("RevealFile");
explore.Icon = App.CreateMenuIcon("Icons.Folder.Open");
explore.IsEnabled = File.Exists(full);
explore.Click += (_, ev) =>
{
Native.OS.OpenInFileManager(full, true);
ev.Handled = true;
};
menu.Items.Add(new MenuItem { Header = "-" });
menu.Items.Add(history);
menu.Items.Add(blame);
menu.Items.Add(explore);
menu.Items.Add(new MenuItem { Header = "-" });
}
var copyPath = new MenuItem();
copyPath.Header = App.Text("CopyPath");
copyPath.Icon = App.CreateMenuIcon("Icons.Copy");
copyPath.Click += (_, ev) =>
{
App.CopyText(change.Path);
ev.Handled = true;
};
menu.Items.Add(copyPath);
return menu;
}
public ContextMenu CreateRevisionFileContextMenu(Models.Object file)
{
var history = new MenuItem();
history.Header = App.Text("FileHistory");
history.Icon = App.CreateMenuIcon("Icons.Histories");
history.Click += (_, ev) =>
{
var window = new Views.FileHistories() { DataContext = new FileHistories(_repo, file.Path) };
window.Show();
ev.Handled = true;
};
var blame = new MenuItem();
blame.Header = App.Text("Blame");
blame.Icon = App.CreateMenuIcon("Icons.Blame");
blame.Click += (o, ev) =>
{
var window = new Views.Blame() { DataContext = new Blame(_repo, file.Path, _commit.SHA) };
window.Show();
ev.Handled = true;
};
var full = Path.GetFullPath(Path.Combine(_repo, file.Path));
var explore = new MenuItem();
explore.Header = App.Text("RevealFile");
explore.Icon = App.CreateMenuIcon("Icons.Folder.Open");
explore.Click += (_, ev) =>
{
Native.OS.OpenInFileManager(full, file.Type == Models.ObjectType.Blob);
ev.Handled = true;
};
var saveAs = new MenuItem();
saveAs.Header = App.Text("SaveAs");
saveAs.Icon = App.CreateMenuIcon("Icons.Save");
saveAs.IsEnabled = file.Type == Models.ObjectType.Blob;
saveAs.Click += async (_, ev) =>
{
var topLevel = App.GetTopLevel();
if (topLevel == null)
return;
var options = new FolderPickerOpenOptions() { AllowMultiple = false };
var selected = await topLevel.StorageProvider.OpenFolderPickerAsync(options);
if (selected.Count == 1)
{
var saveTo = Path.Combine(selected[0].Path.LocalPath, Path.GetFileName(file.Path));
Commands.SaveRevisionFile.Run(_repo, _commit.SHA, file.Path, saveTo);
}
ev.Handled = true;
};
var copyPath = new MenuItem();
copyPath.Header = App.Text("CopyPath");
copyPath.Icon = App.CreateMenuIcon("Icons.Copy");
copyPath.Click += (_, ev) =>
{
App.CopyText(file.Path);
ev.Handled = true;
};
var menu = new ContextMenu();
menu.Items.Add(history);
menu.Items.Add(blame);
menu.Items.Add(explore);
menu.Items.Add(saveAs);
menu.Items.Add(copyPath);
return menu;
}
private void Refresh()
{
_changes = null;
VisibleChanges = null;
SelectedChanges = null;
if (_revisionFiles != null)
{
_revisionFiles.Dispose();
_revisionFiles = null;
}
if (_commit == null)
return;
if (_cancelToken != null)
_cancelToken.Requested = true;
_cancelToken = new Commands.Command.CancelToken();
var parent = _commit.Parents.Count == 0 ? "4b825dc642cb6eb9a060e54bf8d69288fbee4904" : _commit.Parents[0];
var cmdChanges = new Commands.CompareRevisions(_repo, parent, _commit.SHA) { Cancel = _cancelToken };
var cmdRevisionFiles = new Commands.QueryRevisionObjects(_repo, _commit.SHA) { Cancel = _cancelToken };
Task.Run(() =>
{
var changes = cmdChanges.Result();
if (cmdChanges.Cancel.Requested)
return;
var visible = changes;
if (!string.IsNullOrWhiteSpace(_searchChangeFilter))
{
visible = new List<Models.Change>();
foreach (var c in changes)
{
if (c.Path.Contains(_searchChangeFilter, StringComparison.OrdinalIgnoreCase))
{
visible.Add(c);
}
}
}
var tree = FileTreeNode.Build(visible, true);
Dispatcher.UIThread.Invoke(() =>
{
Changes = changes;
VisibleChanges = visible;
});
});
Task.Run(() =>
{
_revisionFilesBackup = cmdRevisionFiles.Result();
if (cmdRevisionFiles.Cancel.Requested)
return;
var visible = _revisionFilesBackup;
var isSearching = !string.IsNullOrWhiteSpace(_searchFileFilter);
if (isSearching)
{
visible = new List<Models.Object>();
foreach (var f in _revisionFilesBackup)
{
if (f.Path.Contains(_searchFileFilter, StringComparison.OrdinalIgnoreCase))
visible.Add(f);
}
}
var tree = FileTreeNode.Build(visible, isSearching || visible.Count <= 100);
Dispatcher.UIThread.Invoke(() => BuildRevisionFilesSource(tree));
});
}
private void RefreshVisibleChanges()
{
if (_changes == null)
return;
if (string.IsNullOrEmpty(_searchChangeFilter))
{
VisibleChanges = _changes;
}
else
{
var visible = new List<Models.Change>();
foreach (var c in _changes)
{
if (c.Path.Contains(_searchChangeFilter, StringComparison.OrdinalIgnoreCase))
visible.Add(c);
}
VisibleChanges = visible;
}
}
private void RefreshVisibleFiles()
{
if (_revisionFiles == null)
return;
var visible = _revisionFilesBackup;
var isSearching = !string.IsNullOrWhiteSpace(_searchFileFilter);
if (isSearching)
{
visible = new List<Models.Object>();
foreach (var f in _revisionFilesBackup)
{
if (f.Path.Contains(_searchFileFilter, StringComparison.OrdinalIgnoreCase))
visible.Add(f);
}
}
BuildRevisionFilesSource(FileTreeNode.Build(visible, isSearching || visible.Count < 100));
}
private void RefreshViewRevisionFile(Models.Object file)
{
if (file == null)
{
ViewRevisionFileContent = null;
return;
}
switch (file.Type)
{
case Models.ObjectType.Blob:
Task.Run(() =>
{
var isBinary = new Commands.IsBinary(_repo, _commit.SHA, file.Path).Result();
if (isBinary)
{
var ext = Path.GetExtension(file.Path);
if (IMG_EXTS.Contains(ext))
{
var stream = Commands.QueryFileContent.Run(_repo, _commit.SHA, file.Path);
var bitmap = stream.Length > 0 ? new Bitmap(stream) : null;
Dispatcher.UIThread.Invoke(() =>
{
ViewRevisionFileContent = new Models.RevisionImageFile() { Image = bitmap };
});
}
else
{
var size = new Commands.QueryFileSize(_repo, file.Path, _commit.SHA).Result();
Dispatcher.UIThread.Invoke(() =>
{
ViewRevisionFileContent = new Models.RevisionBinaryFile() { Size = size };
});
}
return;
}
var contentStream = Commands.QueryFileContent.Run(_repo, _commit.SHA, file.Path);
var content = new StreamReader(contentStream).ReadToEnd();
if (content.StartsWith("version https://git-lfs.github.com/spec/", StringComparison.Ordinal))
{
var obj = new Models.RevisionLFSObject() { Object = new Models.LFSObject() };
var lines = content.Split('\n', StringSplitOptions.RemoveEmptyEntries);
if (lines.Length == 3)
{
foreach (var line in lines)
{
if (line.StartsWith("oid sha256:", StringComparison.Ordinal))
{
obj.Object.Oid = line.Substring(11);
}
else if (line.StartsWith("size ", StringComparison.Ordinal))
{
obj.Object.Size = long.Parse(line.Substring(5));
}
}
Dispatcher.UIThread.Invoke(() =>
{
ViewRevisionFileContent = obj;
});
return;
}
}
Dispatcher.UIThread.Invoke(() =>
{
ViewRevisionFileContent = new Models.RevisionTextFile()
{
FileName = file.Path,
Content = content
};
});
});
break;
case Models.ObjectType.Commit:
ViewRevisionFileContent = new Models.RevisionSubmodule() { SHA = file.SHA };
break;
default:
ViewRevisionFileContent = null;
break;
}
}
private void BuildRevisionFilesSource(List<FileTreeNode> tree)
{
var source = new HierarchicalTreeDataGridSource<FileTreeNode>(tree)
{
Columns =
{
new HierarchicalExpanderColumn<FileTreeNode>(
new TemplateColumn<FileTreeNode>("Icon", "FileTreeNodeExpanderTemplate", null, GridLength.Auto),
x => x.Children,
x => x.Children.Count > 0,
x => x.IsExpanded),
new TextColumn<FileTreeNode, string>(
null,
x => string.Empty,
GridLength.Star)
}
};
source.Selection = new Models.TreeDataGridSelectionModel<FileTreeNode>(source, x => x.Children);
source.RowSelection.SingleSelect = true;
source.RowSelection.SelectionChanged += (s, _) =>
{
if (s is Models.TreeDataGridSelectionModel<FileTreeNode> selection)
RefreshViewRevisionFile(selection.SelectedItem?.Backend as Models.Object);
};
RevisionFiles = source;
}
private static readonly HashSet<string> IMG_EXTS = new HashSet<string>()
{
".ico", ".bmp", ".jpg", ".png", ".jpeg"
};
private string _repo = string.Empty;
private int _activePageIndex = 0;
private Models.Commit _commit = null;
private List<Models.Change> _changes = null;
private List<Models.Change> _visibleChanges = null;
private List<Models.Change> _selectedChanges = null;
private string _searchChangeFilter = string.Empty;
private DiffContext _diffContext = null;
private List<Models.Object> _revisionFilesBackup = null;
private HierarchicalTreeDataGridSource<FileTreeNode> _revisionFiles = null;
private string _searchFileFilter = string.Empty;
private object _viewRevisionFileContent = null;
private Commands.Command.CancelToken _cancelToken = null;
}
}