using System;

using System.Text;

using Avalonia.Controls;

using Avalonia.Input;

using Avalonia.VisualTree;

namespace SourceGit.Views

{

public partial class CommitChanges : UserControl

{

public CommitChanges()

{

InitializeComponent();

}

private void OnChangeContextRequested(object sender, ContextRequestedEventArgs e)

{

e.Handled = true;

if (sender is not ChangeCollectionView { SelectedChanges: { Count: > 0 } changes } view)

return;

var detailView = this.FindAncestorOfType<CommitDetail>();

if (detailView == null)

return;

var container = view.FindDescendantOfType<ChangeCollectionContainer>();

if (container is { SelectedItems.Count: 1, SelectedItem: ViewModels.ChangeTreeNode { IsFolder: true } node })

detailView.CreateChangeContextMenuByFolder(node, changes)?.Open(view);

else if (changes.Count > 1)

detailView.CreateMultipleChangesContextMenu(changes)?.Open(view);

else

detailView.CreateChangeContextMenu(changes[0])?.Open(view);

}

private async void OnChangeCollectionViewKeyDown(object sender, KeyEventArgs e)

{

if (DataContext is not ViewModels.CommitDetail vm)

return;

if (sender is not ChangeCollectionView { SelectedChanges: { Count: > 0 } selectedChanges } view)

return;

var cmdKey = OperatingSystem.IsMacOS() ? KeyModifiers.Meta : KeyModifiers.Control;

if (e.Key == Key.C && e.KeyModifiers.HasFlag(cmdKey))

{

var builder = new StringBuilder();

var copyAbsPath = e.KeyModifiers.HasFlag(KeyModifiers.Shift);

var container = view.FindDescendantOfType<ChangeCollectionContainer>();

if (container is { SelectedItems.Count: 1, SelectedItem: ViewModels.ChangeTreeNode { IsFolder: true } node })

{

builder.Append(copyAbsPath ? vm.GetAbsPath(node.FullPath) : node.FullPath);

}

else if (selectedChanges.Count == 1)

{

builder.Append(copyAbsPath ? vm.GetAbsPath(selectedChanges[0].Path) : selectedChanges[0].Path);

}

else

{

foreach (var c in selectedChanges)

builder.AppendLine(copyAbsPath ? vm.GetAbsPath(c.Path) : c.Path);

}

await this.CopyTextAsync(builder.ToString());

e.Handled = true;

}

else if (e.Key == Key.F && e.KeyModifiers == cmdKey)

{

CommitChangeSearchBox.Focus();

e.Handled = true;

}

}

}

}