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

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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
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40
src/ViewModels/FileTreeNode.cs → src/Models/FileTreeNode.cs
View file

@ -1,24 +1,17 @@
using System; using System;
using System.Collections.Generic; using System.Collections.Generic;
using CommunityToolkit.Mvvm.ComponentModel; namespace SourceGit.Models
namespace SourceGit.ViewModels
{ {
public class FileTreeNode : ObservableObject public class FileTreeNode
{ {
public string FullPath { get; set; } = string.Empty; public string FullPath { get; set; } = string.Empty;
public bool IsFolder { get; set; } = false; public bool IsFolder { get; set; } = false;
public bool IsExpanded { get; set; } = false;
public object Backend { get; set; } = null; public object Backend { get; set; } = null;
public List<FileTreeNode> Children { get; set; } = new List<FileTreeNode>(); public List<FileTreeNode> Children { get; set; } = new List<FileTreeNode>();
public bool IsExpanded public static List<FileTreeNode> Build(List<Change> changes, bool expanded)
{
get => _isExpanded;
set => SetProperty(ref _isExpanded, value);
}
public static List<FileTreeNode> Build(List<Models.Change> changes, bool expanded)
{ {
var nodes = new List<FileTreeNode>(); var nodes = new List<FileTreeNode>();
var folders = new Dictionary<string, FileTreeNode>(); var folders = new Dictionary<string, FileTreeNode>();
@ -93,7 +86,7 @@ namespace SourceGit.ViewModels
return nodes; return nodes;
} }
public static List<FileTreeNode> Build(List<Models.Object> files, bool expanded) public static List<FileTreeNode> Build(List<Object> files, bool expanded)
{ {
var nodes = new List<FileTreeNode>(); var nodes = new List<FileTreeNode>();
var folders = new Dictionary<string, FileTreeNode>(); var folders = new Dictionary<string, FileTreeNode>();
@ -168,27 +161,6 @@ namespace SourceGit.ViewModels
return nodes; return nodes;
} }
public static FileTreeNode SelectByPath(List<FileTreeNode> nodes, string path)
{
foreach (var node in nodes)
{
if (node.FullPath == path)
return node;
if (node.IsFolder && path.StartsWith(node.FullPath + "/", StringComparison.Ordinal))
{
var foundInChildren = SelectByPath(node.Children, path);
if (foundInChildren != null)
{
node.IsExpanded = true;
}
return foundInChildren;
}
}
return null;
}
private static void Sort(List<FileTreeNode> nodes) private static void Sort(List<FileTreeNode> nodes)
{ {
nodes.Sort((l, r) => nodes.Sort((l, r) =>
@ -209,7 +181,5 @@ namespace SourceGit.ViewModels
Sort(node.Children); Sort(node.Children);
} }
} }
private bool _isExpanded = true;
} }
} }

22
src/Models/TreeDataGridSelectionModel.cs
View file

@ -188,7 +188,12 @@ namespace SourceGit.Models
} }
else if (e.ClickCount % 2 == 0) 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; e.Handled = true;
} }
else if (sender.RowSelection.Count > 1) else if (sender.RowSelection.Count > 1)
@ -420,7 +425,22 @@ namespace SourceGit.Models
protected override IEnumerable<TModel> GetChildren(TModel node) protected override IEnumerable<TModel> GetChildren(TModel node)
{ {
if (node == null)
return null;
return _childrenGetter?.Invoke(node); 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;
}
} }
} }

4
src/Resources/Styles.axaml
View file

@ -1123,6 +1123,10 @@
</Style> </Style>
</Style> </Style>
<Style Selector="TreeDataGridRow">
<Setter Property="Background" Value="Transparent"/>
</Style>
<Style Selector="TreeDataGridColumnHeader"> <Style Selector="TreeDataGridColumnHeader">
<Setter Property="HorizontalContentAlignment" Value="Center"/> <Setter Property="HorizontalContentAlignment" Value="Center"/>
</Style> </Style>

24
src/ViewModels/CommitDetail.cs
View file

@ -5,7 +5,6 @@ using System.Threading.Tasks;
using Avalonia.Controls; using Avalonia.Controls;
using Avalonia.Controls.Models.TreeDataGrid; using Avalonia.Controls.Models.TreeDataGrid;
using Avalonia.Interactivity;
using Avalonia.Media.Imaging; using Avalonia.Media.Imaging;
using Avalonia.Platform.Storage; using Avalonia.Platform.Storage;
using Avalonia.Threading; using Avalonia.Threading;
@ -77,7 +76,7 @@ namespace SourceGit.ViewModels
} }
} }
public HierarchicalTreeDataGridSource<FileTreeNode> RevisionFiles public HierarchicalTreeDataGridSource<Models.FileTreeNode> RevisionFiles
{ {
get => _revisionFiles; get => _revisionFiles;
private set => SetProperty(ref _revisionFiles, value); private set => SetProperty(ref _revisionFiles, value);
@ -336,7 +335,6 @@ namespace SourceGit.ViewModels
} }
} }
var tree = FileTreeNode.Build(visible, true);
Dispatcher.UIThread.Invoke(() => Dispatcher.UIThread.Invoke(() =>
{ {
Changes = changes; Changes = changes;
@ -362,7 +360,7 @@ namespace SourceGit.ViewModels
} }
} }
var tree = FileTreeNode.Build(visible, isSearching || visible.Count <= 100); var tree = Models.FileTreeNode.Build(visible, isSearching || visible.Count <= 100);
Dispatcher.UIThread.Invoke(() => BuildRevisionFilesSource(tree)); Dispatcher.UIThread.Invoke(() => BuildRevisionFilesSource(tree));
}); });
} }
@ -406,7 +404,7 @@ namespace SourceGit.ViewModels
} }
} }
BuildRevisionFilesSource(FileTreeNode.Build(visible, isSearching || visible.Count < 100)); BuildRevisionFilesSource(Models.FileTreeNode.Build(visible, isSearching || visible.Count < 100));
} }
private void RefreshViewRevisionFile(Models.Object file) private void RefreshViewRevisionFile(Models.Object file)
@ -493,29 +491,29 @@ namespace SourceGit.ViewModels
} }
} }
private void BuildRevisionFilesSource(List<FileTreeNode> tree) private void BuildRevisionFilesSource(List<Models.FileTreeNode> tree)
{ {
var source = new HierarchicalTreeDataGridSource<FileTreeNode>(tree) var source = new HierarchicalTreeDataGridSource<Models.FileTreeNode>(tree)
{ {
Columns = Columns =
{ {
new HierarchicalExpanderColumn<FileTreeNode>( new HierarchicalExpanderColumn<Models.FileTreeNode>(
new TemplateColumn<FileTreeNode>("Icon", "FileTreeNodeExpanderTemplate", null, GridLength.Auto), new TemplateColumn<Models.FileTreeNode>("Icon", "FileTreeNodeExpanderTemplate", null, GridLength.Auto),
x => x.Children, x => x.Children,
x => x.Children.Count > 0, x => x.Children.Count > 0,
x => x.IsExpanded), x => x.IsExpanded),
new TextColumn<FileTreeNode, string>( new TextColumn<Models.FileTreeNode, string>(
null, null,
x => string.Empty, x => string.Empty,
GridLength.Star) GridLength.Star)
} }
}; };
var selection = new Models.TreeDataGridSelectionModel<FileTreeNode>(source, x => x.Children); var selection = new Models.TreeDataGridSelectionModel<Models.FileTreeNode>(source, x => x.Children);
selection.SingleSelect = true; selection.SingleSelect = true;
selection.SelectionChanged += (s, _) => selection.SelectionChanged += (s, _) =>
{ {
if (s is Models.TreeDataGridSelectionModel<FileTreeNode> selection) if (s is Models.TreeDataGridSelectionModel<Models.FileTreeNode> selection)
RefreshViewRevisionFile(selection.SelectedItem?.Backend as Models.Object); RefreshViewRevisionFile(selection.SelectedItem?.Backend as Models.Object);
}; };
@ -537,7 +535,7 @@ namespace SourceGit.ViewModels
private string _searchChangeFilter = string.Empty; private string _searchChangeFilter = string.Empty;
private DiffContext _diffContext = null; private DiffContext _diffContext = null;
private List<Models.Object> _revisionFilesBackup = null; private List<Models.Object> _revisionFilesBackup = null;
private HierarchicalTreeDataGridSource<FileTreeNode> _revisionFiles = null; private HierarchicalTreeDataGridSource<Models.FileTreeNode> _revisionFiles = null;
private string _searchFileFilter = string.Empty; private string _searchFileFilter = string.Empty;
private object _viewRevisionFileContent = null; private object _viewRevisionFileContent = null;
private Commands.Command.CancelToken _cancelToken = null; private Commands.Command.CancelToken _cancelToken = null;

1
src/ViewModels/Repository.cs
View file

@ -389,6 +389,7 @@ namespace SourceGit.ViewModels
App.RaiseException(_fullpath, "Can NOT found current branch!!!"); App.RaiseException(_fullpath, "Can NOT found current branch!!!");
return; return;
} }
PopupHost.ShowPopup(new Push(this, null)); PopupHost.ShowPopup(new Push(this, null));
} }

6
src/ViewModels/RevisionCompare.cs
View file

@ -99,11 +99,7 @@ namespace SourceGit.ViewModels
} }
} }
var tree = FileTreeNode.Build(visible, true); Dispatcher.UIThread.Invoke(() => VisibleChanges = visible);
Dispatcher.UIThread.Invoke(() =>
{
VisibleChanges = visible;
});
}); });
} }

2
src/Views/ChangeCollectionView.axaml
View file

@ -16,7 +16,7 @@
CanUserSortColumns="False" CanUserSortColumns="False"
ScrollViewer.BringIntoViewOnFocusChange="True"> ScrollViewer.BringIntoViewOnFocusChange="True">
<TreeDataGrid.Resources> <TreeDataGrid.Resources>
<DataTemplate x:Key="TreeModeTemplate" DataType="vm:FileTreeNode"> <DataTemplate x:Key="TreeModeTemplate" DataType="m:FileTreeNode">
<Grid HorizontalAlignment="Stretch" Height="24" ColumnDefinitions="Auto,*"> <Grid HorizontalAlignment="Stretch" Height="24" ColumnDefinitions="Auto,*">
<Path Grid.Column="0" Classes="folder_icon" Width="14" Height="14" Margin="0,2,0,0" IsVisible="{Binding IsFolder}" Fill="Goldenrod" VerticalAlignment="Center"/> <Path Grid.Column="0" Classes="folder_icon" Width="14" Height="14" Margin="0,2,0,0" IsVisible="{Binding IsFolder}" Fill="Goldenrod" VerticalAlignment="Center"/>
<v:ChangeStatusIcon Grid.Column="0" Width="14" Height="14" IsWorkingCopyChange="{Binding #me.IsWorkingCopyChange}" Change="{Binding Backend}" IsVisible="{Binding !IsFolder}"/> <v:ChangeStatusIcon Grid.Column="0" Width="14" Height="14" IsWorkingCopyChange="{Binding #me.IsWorkingCopyChange}" Change="{Binding Backend}" IsVisible="{Binding !IsFolder}"/>

28
src/Views/ChangeCollectionView.axaml.cs
View file

@ -91,29 +91,25 @@ namespace SourceGit.Views
var viewMode = ViewMode; var viewMode = ViewMode;
if (viewMode == Models.ChangeViewMode.Tree) if (viewMode == Models.ChangeViewMode.Tree)
{ {
var filetree = ViewModels.FileTreeNode.Build(changes, true); var filetree = Models.FileTreeNode.Build(changes, true);
var source = new HierarchicalTreeDataGridSource<ViewModels.FileTreeNode>(filetree) var source = new HierarchicalTreeDataGridSource<Models.FileTreeNode>(filetree)
{ {
Columns = Columns =
{ {
new HierarchicalExpanderColumn<ViewModels.FileTreeNode>( new HierarchicalExpanderColumn<Models.FileTreeNode>(
new TemplateColumn<ViewModels.FileTreeNode>(null, "TreeModeTemplate", null, GridLength.Auto), new TemplateColumn<Models.FileTreeNode>(null, "TreeModeTemplate", null, GridLength.Auto),
x => x.Children, x => x.Children,
x => x.Children.Count > 0, x => x.Children.Count > 0,
x => x.IsExpanded), x => x.IsExpanded)
new TextColumn<ViewModels.FileTreeNode, string>(
null,
x => string.Empty,
GridLength.Star)
} }
}; };
var selection = new Models.TreeDataGridSelectionModel<ViewModels.FileTreeNode>(source, x => x.Children); var selection = new Models.TreeDataGridSelectionModel<Models.FileTreeNode>(source, x => x.Children);
selection.SingleSelect = SingleSelect; selection.SingleSelect = SingleSelect;
selection.RowDoubleTapped += (_, e) => RaiseEvent(new RoutedEventArgs(ChangeDoubleTappedEvent)); selection.RowDoubleTapped += (_, e) => RaiseEvent(new RoutedEventArgs(ChangeDoubleTappedEvent));
selection.SelectionChanged += (s, _) => selection.SelectionChanged += (s, _) =>
{ {
if (!_isSelecting && s is Models.TreeDataGridSelectionModel<ViewModels.FileTreeNode> model) if (!_isSelecting && s is Models.TreeDataGridSelectionModel<Models.FileTreeNode> model)
{ {
var selection = new List<Models.Change>(); var selection = new List<Models.Change>();
foreach (var c in model.SelectedItems) foreach (var c in model.SelectedItems)
@ -202,7 +198,7 @@ namespace SourceGit.Views
else else
changeSelection.Select(selected); changeSelection.Select(selected);
} }
else if (tree.Source.Selection is Models.TreeDataGridSelectionModel<ViewModels.FileTreeNode> treeSelection) else if (tree.Source.Selection is Models.TreeDataGridSelectionModel<Models.FileTreeNode> treeSelection)
{ {
if (selected == null || selected.Count == 0) if (selected == null || selected.Count == 0)
{ {
@ -215,9 +211,9 @@ namespace SourceGit.Views
foreach (var c in selected) foreach (var c in selected)
set.Add(c); set.Add(c);
var nodes = new List<ViewModels.FileTreeNode>(); var nodes = new List<Models.FileTreeNode>();
foreach (var node in tree.Source.Items) foreach (var node in tree.Source.Items)
CollectSelectedNodeByChange(nodes, node as ViewModels.FileTreeNode, set); CollectSelectedNodeByChange(nodes, node as Models.FileTreeNode, set);
if (nodes.Count == 0) if (nodes.Count == 0)
{ {
@ -231,7 +227,7 @@ namespace SourceGit.Views
_isSelecting = false; _isSelecting = false;
} }
private void CollectChangesInNode(List<Models.Change> outs, ViewModels.FileTreeNode node) private void CollectChangesInNode(List<Models.Change> outs, Models.FileTreeNode node)
{ {
if (node.IsFolder) if (node.IsFolder)
{ {
@ -246,7 +242,7 @@ namespace SourceGit.Views
} }
} }
private void CollectSelectedNodeByChange(List<ViewModels.FileTreeNode> outs, ViewModels.FileTreeNode node, HashSet<object> selected) private void CollectSelectedNodeByChange(List<Models.FileTreeNode> outs, Models.FileTreeNode node, HashSet<object> selected)
{ {
if (node == null) if (node == null)
return; return;

2
src/Views/RevisionFiles.axaml
View file

@ -48,7 +48,7 @@
Source="{Binding RevisionFiles}" Source="{Binding RevisionFiles}"
ContextRequested="OnFileContextRequested"> ContextRequested="OnFileContextRequested">
<TreeDataGrid.Resources> <TreeDataGrid.Resources>
<DataTemplate x:Key="FileTreeNodeExpanderTemplate" DataType="vm:FileTreeNode"> <DataTemplate x:Key="FileTreeNodeExpanderTemplate" DataType="m:FileTreeNode">
<Grid HorizontalAlignment="Stretch" Height="24" ColumnDefinitions="Auto,*"> <Grid HorizontalAlignment="Stretch" Height="24" ColumnDefinitions="Auto,*">
<Path Grid.Column="0" Classes="folder_icon" Width="14" Height="14" Margin="0,2,0,0" IsVisible="{Binding IsFolder}" Fill="Goldenrod" VerticalAlignment="Center"/> <Path Grid.Column="0" Classes="folder_icon" Width="14" Height="14" Margin="0,2,0,0" IsVisible="{Binding IsFolder}" Fill="Goldenrod" VerticalAlignment="Center"/>
<Path Grid.Column="0" Width="14" Height="14" IsVisible="{Binding !IsFolder}" Data="{StaticResource Icons.File}" VerticalAlignment="Center"/> <Path Grid.Column="0" Width="14" Height="14" IsVisible="{Binding !IsFolder}" Data="{StaticResource Icons.File}" VerticalAlignment="Center"/>

2
src/Views/RevisionFiles.axaml.cs
View file

@ -217,7 +217,7 @@ namespace SourceGit.Views
{ {
if (DataContext is ViewModels.CommitDetail vm && sender is TreeDataGrid tree) if (DataContext is ViewModels.CommitDetail vm && sender is TreeDataGrid tree)
{ {
var selected = tree.RowSelection.SelectedItem as ViewModels.FileTreeNode; var selected = tree.RowSelection.SelectedItem as Models.FileTreeNode;
if (selected != null && !selected.IsFolder && selected.Backend is Models.Object obj) if (selected != null && !selected.IsFolder && selected.Backend is Models.Object obj)
{ {
var menu = vm.CreateRevisionFileContextMenu(obj); var menu = vm.CreateRevisionFileContextMenu(obj);