sourcegit/SourceGit/UI/Histories.xaml.cs
2020-07-20 12:00:41 +08:00

649 lines
24 KiB
C#

using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
namespace SourceGit.UI {
/// <summary>
/// Commit histories viewer
/// </summary>
public partial class Histories : UserControl {
/// <summary>
/// Current opened repository.
/// </summary>
public Git.Repository Repo { get; set; }
/// <summary>
/// Cached commits.
/// </summary>
private List<Git.Commit> cachedCommits = new List<Git.Commit>();
/// <summary>
/// Is in search mode?
/// </summary>
private bool isSearchMode = false;
/// <summary>
/// Regex to test search input.
/// </summary>
private Regex commitRegex = new Regex(@"^[0-9a-f]{6,40}$", RegexOptions.None);
/// <summary>
/// Constructor
/// </summary>
public Histories() {
InitializeComponent();
ChangeOrientation(null, null);
}
/// <summary>
/// Navigate to given commit.
/// </summary>
/// <param name="commit"></param>
public void Navigate(string commit) {
if (string.IsNullOrEmpty(commit)) return;
foreach (var item in commitList.ItemsSource) {
var c = item as Git.Commit;
if (c.SHA.StartsWith(commit)) {
commitList.SelectedItem = c;
commitList.ScrollIntoView(c);
return;
}
}
}
/// <summary>
/// Loading tips.
/// </summary>
/// <param name="enabled"></param>
public void SetLoadingEnabled(bool enabled) {
if (enabled) {
loading.Visibility = Visibility.Visible;
DoubleAnimation anim = new DoubleAnimation(0, 360, TimeSpan.FromSeconds(1));
anim.RepeatBehavior = RepeatBehavior.Forever;
loading.RenderTransform.BeginAnimation(RotateTransform.AngleProperty, anim);
} else {
loading.RenderTransform.BeginAnimation(RotateTransform.AngleProperty, null);
loading.Visibility = Visibility.Collapsed;
}
}
#region DATA
public void SetCommits(List<Git.Commit> commits) {
cachedCommits = commits;
if (isSearchMode) return;
var maker = Helpers.CommitGraphMaker.Parse(commits);
Dispatcher.Invoke(() => {
commitGraph.Children.Clear();
isSearchMode = false;
txtSearch.Text = "";
// Draw all lines.
foreach (var path in maker.Lines) {
var size = path.Points.Count;
var geo = new StreamGeometry();
var last = path.Points[0];
using (var ctx = geo.Open()) {
ctx.BeginFigure(last, false, false);
for (int i = 1; i < size; i++) {
var cur = path.Points[i];
if (cur.X > last.X) {
ctx.QuadraticBezierTo(new Point(cur.X, last.Y), cur, true, false);
} else if (cur.X < last.X) {
if (i < size - 1) {
cur.Y += Helpers.CommitGraphMaker.HALF_HEIGHT;
var midY = (last.Y + cur.Y) / 2;
var midX = (last.X + cur.X) / 2;
ctx.PolyQuadraticBezierTo(new Point[] {
new Point(last.X, midY),
new Point(midX, midY),
new Point(cur.X, midY),
cur
}, true, false);
} else {
ctx.QuadraticBezierTo(new Point(last.X, cur.Y), cur, true, false);
}
} else {
ctx.LineTo(cur, true, false);
}
last = cur;
}
}
geo.Freeze();
var p = new Path();
p.Data = geo;
p.Stroke = path.Brush;
p.StrokeThickness = 2;
commitGraph.Children.Add(p);
}
maker.Lines.Clear();
// Draw short links
foreach (var link in maker.Links) {
var geo = new StreamGeometry();
using (var ctx = geo.Open()) {
ctx.BeginFigure(link.Start, false, false);
ctx.QuadraticBezierTo(link.Control, link.End, true, false);
}
geo.Freeze();
var p = new Path();
p.Data = geo;
p.Stroke = link.Brush;
p.StrokeThickness = 2;
commitGraph.Children.Add(p);
}
maker.Links.Clear();
// Draw points.
foreach (var dot in maker.Dots) {
var ellipse = new Ellipse();
ellipse.Height = 6;
ellipse.Width = 6;
ellipse.Fill = dot.Color;
ellipse.SetValue(Canvas.LeftProperty, dot.X);
ellipse.SetValue(Canvas.TopProperty, dot.Y);
commitGraph.Children.Add(ellipse);
}
maker.Dots.Clear();
commitList.ItemsSource = new List<Git.Commit>(cachedCommits);
Navigate(maker.Highlight);
SetLoadingEnabled(false);
});
}
public void SetSearchResult(List<Git.Commit> commits) {
isSearchMode = true;
foreach (var c in commits) c.GraphOffset = 0;
Dispatcher.Invoke(() => {
commitGraph.Children.Clear();
commitList.ItemsSource = new List<Git.Commit>(commits);
SetLoadingEnabled(false);
});
}
private void Cleanup(object sender, RoutedEventArgs e) {
commitGraph.Children.Clear();
commitList.ItemsSource = null;
cachedCommits.Clear();
}
#endregion
#region SEARCH_BAR
public void OpenSearchBar() {
if (searchBar.Margin.Top == 0) return;
ThicknessAnimation anim = new ThicknessAnimation();
anim.From = new Thickness(0, -32, 0, 0);
anim.To = new Thickness(0);
anim.Duration = TimeSpan.FromSeconds(.3);
searchBar.BeginAnimation(Grid.MarginProperty, anim);
txtSearch.Focus();
}
public void HideSearchBar() {
if (searchBar.Margin.Top != 0) return;
ClearSearch(null, null);
ThicknessAnimation anim = new ThicknessAnimation();
anim.From = new Thickness(0);
anim.To = new Thickness(0, -32, 0, 0);
anim.Duration = TimeSpan.FromSeconds(.3);
searchBar.BeginAnimation(Grid.MarginProperty, anim);
}
private void ClearSearch(object sender, RoutedEventArgs e) {
txtSearch.Text = "";
if (isSearchMode) {
isSearchMode = false;
SetLoadingEnabled(true);
Task.Run(() => SetCommits(cachedCommits));
}
}
private void PreviewSearchKeyDown(object sender, KeyEventArgs e) {
if (e.Key == Key.Enter) {
string search = txtSearch.Text;
if (string.IsNullOrEmpty(search)) {
ClearSearch(sender, e);
} else if (commitRegex.IsMatch(search)) {
SetLoadingEnabled(true);
Task.Run(() => {
var commits = Repo.Commits($"search -n 1");
SetSearchResult(commits);
});
} else {
SetLoadingEnabled(true);
Task.Run(() => {
List<Git.Commit> found = new List<Git.Commit>();
foreach (var commit in cachedCommits) {
if (commit.Subject.IndexOf(search, StringComparison.OrdinalIgnoreCase) >= 0 ||
(commit.Author != null && commit.Author.Name.Equals(search, StringComparison.OrdinalIgnoreCase)) ||
(commit.Committer != null && commit.Committer.Name.Equals(search, StringComparison.OrdinalIgnoreCase)) ||
commit.Message.IndexOf(search, StringComparison.OrdinalIgnoreCase) >= 0) {
found.Add(commit);
}
}
SetSearchResult(found);
});
}
}
}
#endregion
#region COMMIT_DATAGRID_AND_GRAPH
private void CommitListScrolled(object sender, ScrollChangedEventArgs e) {
commitGraph.Margin = new Thickness(0, -e.VerticalOffset * Helpers.CommitGraphMaker.UNIT_HEIGHT, 0, 0);
}
private void CommitSelectChanged(object sender, SelectionChangedEventArgs e) {
mask4MultiSelection.Visibility = Visibility.Collapsed;
var selected = commitList.SelectedItems;
if (selected.Count == 1) {
var commit = selected[0] as Git.Commit;
if (commit != null) commitViewer.SetData(Repo, commit);
} else if (selected.Count > 1) {
mask4MultiSelection.Visibility = Visibility.Visible;
txtTotalSelected.Content = $"SELECTED {selected.Count} COMMITS";
}
}
private MenuItem GetCurrentBranchContextMenu(Git.Branch branch) {
var icon = new Path();
icon.Style = FindResource("Style.Icon") as Style;
icon.Data = FindResource("Icon.Branch") as Geometry;
icon.VerticalAlignment = VerticalAlignment.Bottom;
icon.Width = 10;
var submenu = new MenuItem();
submenu.Header = branch.Name;
submenu.Icon = icon;
if (!string.IsNullOrEmpty(branch.Upstream)) {
var upstream = branch.Upstream.Substring(13);
var fastForward = new MenuItem();
fastForward.Header = $"Fast-Forward to '{upstream}'";
fastForward.Click += (o, e) => {
Merge.StartDirectly(Repo, upstream, branch.Name);
e.Handled = true;
};
submenu.Items.Add(fastForward);
var pull = new MenuItem();
pull.Header = $"Pull '{upstream}' ...";
pull.Click += (o, e) => {
Pull.Show(Repo);
e.Handled = true;
};
submenu.Items.Add(pull);
}
var push = new MenuItem();
push.Header = $"Push '{branch.Name}' ...";
push.Click += (o, e) => {
Push.Show(Repo, branch);
e.Handled = true;
};
submenu.Items.Add(push);
submenu.Items.Add(new Separator());
if (branch.Kind != Git.Branch.Type.Normal) {
var flowIcon = new Path();
flowIcon.Style = FindResource("Style.Icon") as Style;
flowIcon.Data = FindResource("Icon.Flow") as Geometry;
flowIcon.Width = 10;
var finish = new MenuItem();
finish.Header = $"Git Flow - Finish '{branch.Name}'";
finish.Icon = flowIcon;
finish.Click += (o, e) => {
GitFlowFinishBranch.Show(Repo, branch);
e.Handled = true;
};
submenu.Items.Add(finish);
submenu.Items.Add(new Separator());
}
var rename = new MenuItem();
rename.Header = "Rename ...";
rename.Click += (o, e) => {
RenameBranch.Show(Repo, branch);
e.Handled = true;
};
submenu.Items.Add(rename);
return submenu;
}
private MenuItem GetOtherBranchContextMenu(Git.Branch current, Git.Branch branch, bool merged) {
var icon = new Path();
icon.Style = FindResource("Style.Icon") as Style;
icon.Data = FindResource("Icon.Branch") as Geometry;
icon.VerticalAlignment = VerticalAlignment.Bottom;
icon.Width = 10;
var submenu = new MenuItem();
submenu.Header = branch.Name;
submenu.Icon = icon;
var checkout = new MenuItem();
checkout.Header = $"Checkout '{branch.Name}'";
checkout.Click += (o, e) => {
if (branch.IsLocal) {
Task.Run(() => Repo.Checkout(branch.Name));
} else {
var upstream = $"refs/remotes/{branch.Name}";
var tracked = Repo.Branches().Find(b => b.IsLocal && b.Upstream == upstream);
if (tracked == null) {
CreateBranch.Show(Repo, branch);
} else if (!tracked.IsCurrent) {
Task.Run(() => Repo.Checkout(tracked.Name));
}
}
e.Handled = true;
};
submenu.Items.Add(checkout);
var merge = new MenuItem();
merge.Header = $"Merge into '{current.Name}' ...";
merge.IsEnabled = !merged;
merge.Click += (o, e) => {
Merge.Show(Repo, branch.Name, current.Name);
e.Handled = true;
};
submenu.Items.Add(merge);
submenu.Items.Add(new Separator());
if (branch.Kind != Git.Branch.Type.Normal) {
var flowIcon = new Path();
flowIcon.Style = FindResource("Style.Icon") as Style;
flowIcon.Data = FindResource("Icon.Flow") as Geometry;
flowIcon.Width = 10;
var finish = new MenuItem();
finish.Header = $"Git Flow - Finish '{branch.Name}'";
finish.Icon = flowIcon;
finish.Click += (o, e) => {
GitFlowFinishBranch.Show(Repo, branch);
e.Handled = true;
};
submenu.Items.Add(finish);
submenu.Items.Add(new Separator());
}
var rename = new MenuItem();
rename.Header = "Rename ...";
rename.Visibility = branch.IsLocal ? Visibility.Visible : Visibility.Collapsed;
rename.Click += (o, e) => {
RenameBranch.Show(Repo, current);
e.Handled = true;
};
submenu.Items.Add(rename);
var delete = new MenuItem();
delete.Header = "Delete ...";
delete.Click += (o, e) => {
DeleteBranch.Show(Repo, branch);
};
submenu.Items.Add(delete);
return submenu;
}
private MenuItem GetTagContextMenu(Git.Tag tag) {
var icon = new Path();
icon.Style = FindResource("Style.Icon") as Style;
icon.Data = FindResource("Icon.Tag") as Geometry;
icon.Width = 10;
var submenu = new MenuItem();
submenu.Header = tag.Name;
submenu.Icon = icon;
submenu.MinWidth = 200;
var push = new MenuItem();
push.Header = "Push ...";
push.Click += (o, e) => {
PushTag.Show(Repo, tag);
e.Handled = true;
};
submenu.Items.Add(push);
var delete = new MenuItem();
delete.Header = "Delete ...";
delete.Click += (o, e) => {
DeleteTag.Show(Repo, tag);
e.Handled = true;
};
submenu.Items.Add(delete);
return submenu;
}
private void CommitContextMenuOpening(object sender, ContextMenuEventArgs ev) {
var row = sender as DataGridRow;
if (row == null) return;
var commit = row.DataContext as Git.Commit;
if (commit == null) return;
commitList.SelectedItem = commit;
var current = Repo.CurrentBranch();
if (current == null) return;
var menu = new ContextMenu();
menu.MinWidth = 200;
// Decorators.
{
var localBranchContextMenus = new List<MenuItem>();
var remoteBranchContextMenus = new List<MenuItem>();
var tagContextMenus = new List<MenuItem>();
foreach (var d in commit.Decorators) {
if (d.Type == Git.DecoratorType.CurrentBranchHead) {
menu.Items.Add(GetCurrentBranchContextMenu(current));
} else if (d.Type == Git.DecoratorType.LocalBranchHead) {
var branch = Repo.Branches().Find(b => b.Name == d.Name);
if (branch != null) {
localBranchContextMenus.Add(GetOtherBranchContextMenu(current, branch, commit.IsMerged));
}
} else if (d.Type == Git.DecoratorType.RemoteBranchHead) {
var branch = Repo.Branches().Find(b => b.Name == d.Name);
if (branch != null) {
remoteBranchContextMenus.Add(GetOtherBranchContextMenu(current, branch, commit.IsMerged));
}
} else if (d.Type == Git.DecoratorType.Tag) {
var tag = Repo.Tags().Find(t => t.Name == d.Name);
if (tag != null) tagContextMenus.Add(GetTagContextMenu(tag));
}
}
foreach (var m in localBranchContextMenus) menu.Items.Add(m);
foreach (var m in remoteBranchContextMenus) menu.Items.Add(m);
if (menu.Items.Count > 0) menu.Items.Add(new Separator());
if (tagContextMenus.Count > 0) {
foreach (var m in tagContextMenus) menu.Items.Add(m);
menu.Items.Add(new Separator());
}
}
// Reset
var reset = new MenuItem();
reset.Header = $"Reset '{current.Name}' To Here";
reset.Visibility = commit.IsHEAD ? Visibility.Collapsed : Visibility.Visible;
reset.Click += (o, e) => {
Reset.Show(Repo, commit);
e.Handled = true;
};
menu.Items.Add(reset);
// Rebase or interactive rebase
var rebase = new MenuItem();
rebase.Header = commit.IsMerged ? $"Interactive Rebase '{current.Name}' From Here" : $"Rebase '{current.Name}' To Here";
rebase.Visibility = commit.IsHEAD ? Visibility.Collapsed : Visibility.Visible;
rebase.Click += (o, e) => {
if (commit.IsMerged) {
if (Repo.LocalChanges().Count > 0) {
App.RaiseError("You have local changes!!!");
e.Handled = true;
return;
}
var dialog = new InteractiveRebase(Repo, commit);
dialog.Owner = App.Current.MainWindow;
dialog.ShowDialog();
} else {
Rebase.Show(Repo, commit);
}
e.Handled = true;
};
menu.Items.Add(rebase);
// Cherry-Pick
var cherryPick = new MenuItem();
cherryPick.Header = "Cherry-Pick This Commit";
cherryPick.Visibility = commit.IsMerged ? Visibility.Collapsed : Visibility.Visible;
cherryPick.Click += (o, e) => {
CherryPick.Show(Repo, commit);
e.Handled = true;
};
menu.Items.Add(cherryPick);
// Revert commit
var revert = new MenuItem();
revert.Header = "Revert commit";
revert.Visibility = !commit.IsMerged ? Visibility.Collapsed : Visibility.Visible;
revert.Click += (o, e) => {
Revert.Show(Repo, commit);
e.Handled = true;
};
menu.Items.Add(revert);
menu.Items.Add(new Separator());
// Common
var createBranch = new MenuItem();
createBranch.Header = "Create Branch";
createBranch.Click += (o, e) => {
CreateBranch.Show(Repo, commit);
e.Handled = true;
};
menu.Items.Add(createBranch);
var createTag = new MenuItem();
createTag.Header = "Create Tag";
createTag.Click += (o, e) => {
CreateTag.Show(Repo, commit);
e.Handled = true;
};
menu.Items.Add(createTag);
menu.Items.Add(new Separator());
// Save as patch
var patch = new MenuItem();
patch.Header = "Save As Patch";
patch.Click += (o, e) => {
var dialog = new System.Windows.Forms.FolderBrowserDialog();
dialog.ShowNewFolderButton = true;
if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK) {
Repo.RunCommand($"format-patch {commit.SHA} -1 -o \"{dialog.SelectedPath}\"", null);
}
};
menu.Items.Add(patch);
menu.Items.Add(new Separator());
// Copy SHA
var copySHA = new MenuItem();
copySHA.Header = "Copy Commit SHA";
copySHA.Click += (o, e) => {
Clipboard.SetText(commit.SHA);
};
menu.Items.Add(copySHA);
// Copy info
var copyInfo = new MenuItem();
copyInfo.Header = "Copy Commit Info";
copyInfo.Click += (o, e) => {
Clipboard.SetText(string.Format(
"SHA: {0}\nTITLE: {1}\nAUTHOR: {2} <{3}>\nTIME: {4}",
commit.SHA, commit.Subject, commit.Committer.Name, commit.Committer.Email, commit.Committer.Time));
};
menu.Items.Add(copyInfo);
menu.IsOpen = true;
ev.Handled = true;
}
#endregion
#region LAYOUT
private void ChangeOrientation(object sender, RoutedEventArgs e) {
if (commitDetailPanel == null || splitter == null || commitListPanel == null) return;
layout.RowDefinitions.Clear();
layout.ColumnDefinitions.Clear();
if (App.Preference.UIUseHorizontalLayout) {
layout.ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(1, GridUnitType.Star), MinWidth = 200 });
layout.ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(2) });
layout.ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(1, GridUnitType.Star), MinWidth = 200 });
Grid.SetRow(commitListPanel, 0);
Grid.SetRow(splitter, 0);
Grid.SetRow(commitDetailPanel, 0);
Grid.SetColumn(commitListPanel, 0);
Grid.SetColumn(splitter, 1);
Grid.SetColumn(commitDetailPanel, 2);
} else {
layout.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star), MinHeight = 100 });
layout.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(2) });
layout.RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star), MinHeight = 100 });
Grid.SetRow(commitListPanel, 0);
Grid.SetRow(splitter, 1);
Grid.SetRow(commitDetailPanel, 2);
Grid.SetColumn(commitListPanel, 0);
Grid.SetColumn(splitter, 0);
Grid.SetColumn(commitDetailPanel, 0);
}
layout.InvalidateVisual();
}
#endregion
}
}