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Code Issues Projects Releases Packages Wiki Activity Actions 2

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.Collections.Generic;
using CommunityToolkit.Mvvm.ComponentModel;
namespace SourceGit.ViewModels
namespace SourceGit.Models
{
public class FileTreeNode : ObservableObject
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 bool IsExpanded
{
get => _isExpanded;
set => SetProperty(ref _isExpanded, value);
}
public static List<FileTreeNode> Build(List<Models.Change> changes, bool expanded)
public static List<FileTreeNode> Build(List<Change> changes, bool expanded)
{
var nodes = new List<FileTreeNode>();
var folders = new Dictionary<string, FileTreeNode>();
@ -93,7 +86,7 @@ namespace SourceGit.ViewModels
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 folders = new Dictionary<string, FileTreeNode>();
@ -168,27 +161,6 @@ namespace SourceGit.ViewModels
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)
{
nodes.Sort((l, r) =>
@ -209,7 +181,5 @@ namespace SourceGit.ViewModels
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)
{
_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;
}
}
}

4
src/Resources/Styles.axaml
View file

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

24
src/ViewModels/CommitDetail.cs
View file

@ -5,7 +5,6 @@ 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;
@ -77,7 +76,7 @@ namespace SourceGit.ViewModels
}
}
public HierarchicalTreeDataGridSource<FileTreeNode> RevisionFiles
public HierarchicalTreeDataGridSource<Models.FileTreeNode> RevisionFiles
{
get => _revisionFiles;
private set => SetProperty(ref _revisionFiles, value);
@ -336,7 +335,6 @@ namespace SourceGit.ViewModels
}
}
var tree = FileTreeNode.Build(visible, true);
Dispatcher.UIThread.Invoke(() =>
{
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));
});
}
@ -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)
@ -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 =
{
new HierarchicalExpanderColumn<FileTreeNode>(
new TemplateColumn<FileTreeNode>("Icon", "FileTreeNodeExpanderTemplate", null, GridLength.Auto),
new HierarchicalExpanderColumn<Models.FileTreeNode>(
new TemplateColumn<Models.FileTreeNode>("Icon", "FileTreeNodeExpanderTemplate", null, GridLength.Auto),
x => x.Children,
x => x.Children.Count > 0,
x => x.IsExpanded),
new TextColumn<FileTreeNode, string>(
new TextColumn<Models.FileTreeNode, string>(
null,
x => string.Empty,
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.SelectionChanged += (s, _) =>
{
if (s is Models.TreeDataGridSelectionModel<FileTreeNode> selection)
if (s is Models.TreeDataGridSelectionModel<Models.FileTreeNode> selection)
RefreshViewRevisionFile(selection.SelectedItem?.Backend as Models.Object);
};
@ -537,7 +535,7 @@ namespace SourceGit.ViewModels
private string _searchChangeFilter = string.Empty;
private DiffContext _diffContext = null;
private List<Models.Object> _revisionFilesBackup = null;
private HierarchicalTreeDataGridSource<FileTreeNode> _revisionFiles = null;
private HierarchicalTreeDataGridSource<Models.FileTreeNode> _revisionFiles = null;
private string _searchFileFilter = string.Empty;
private object _viewRevisionFileContent = 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!!!");
return;
}
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"
ScrollViewer.BringIntoViewOnFocusChange="True">
<TreeDataGrid.Resources>
<DataTemplate x:Key="TreeModeTemplate" DataType="vm:FileTreeNode">
<DataTemplate x:Key="TreeModeTemplate" DataType="m:FileTreeNode">
<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"/>
<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;
if (viewMode == Models.ChangeViewMode.Tree)
{
var filetree = ViewModels.FileTreeNode.Build(changes, true);
var source = new HierarchicalTreeDataGridSource<ViewModels.FileTreeNode>(filetree)
var filetree = Models.FileTreeNode.Build(changes, true);
var source = new HierarchicalTreeDataGridSource<Models.FileTreeNode>(filetree)
{
Columns =
{
new HierarchicalExpanderColumn<ViewModels.FileTreeNode>(
new TemplateColumn<ViewModels.FileTreeNode>(null, "TreeModeTemplate", null, GridLength.Auto),
new HierarchicalExpanderColumn<Models.FileTreeNode>(
new TemplateColumn<Models.FileTreeNode>(null, "TreeModeTemplate", null, GridLength.Auto),
x => x.Children,
x => x.Children.Count > 0,
x => x.IsExpanded),
new TextColumn<ViewModels.FileTreeNode, string>(
null,
x => string.Empty,
GridLength.Star)
x => x.IsExpanded)
}
};
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.RowDoubleTapped += (_, e) => RaiseEvent(new RoutedEventArgs(ChangeDoubleTappedEvent));
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>();
foreach (var c in model.SelectedItems)
@ -202,7 +198,7 @@ namespace SourceGit.Views
else
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)
{
@ -215,9 +211,9 @@ namespace SourceGit.Views
foreach (var c in selected)
set.Add(c);
var nodes = new List<ViewModels.FileTreeNode>();
var nodes = new List<Models.FileTreeNode>();
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)
{
@ -231,7 +227,7 @@ namespace SourceGit.Views
_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)
{
@ -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)
return;

2
src/Views/RevisionFiles.axaml
View file

@ -48,7 +48,7 @@
Source="{Binding RevisionFiles}"
ContextRequested="OnFileContextRequested">
<TreeDataGrid.Resources>
<DataTemplate x:Key="FileTreeNodeExpanderTemplate" DataType="vm:FileTreeNode">
<DataTemplate x:Key="FileTreeNodeExpanderTemplate" DataType="m:FileTreeNode">
<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" 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)
{
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)
{
var menu = vm.CreateRevisionFileContextMenu(obj);