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enhance: improve selection changed event handler performance

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leo 2024-07-06 17:29:24 +08:00
parent 3197b4bfe8
commit 36b8472d02
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2 changed files with 11 additions and 8 deletions
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1
src/ViewModels/BranchTreeNode.cs
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@ -16,6 +16,7 @@ namespace SourceGit.ViewModels
public object Backend { get; private set; } = null; public object Backend { get; private set; } = null;
public int Depth { get; set; } = 0; public int Depth { get; set; } = 0;
public bool IsFiltered { get; set; } = false; public bool IsFiltered { get; set; } = false;
public bool IsSelected { get; set; } = false;
public List<BranchTreeNode> Children { get; private set; } = new List<BranchTreeNode>(); public List<BranchTreeNode> Children { get; private set; } = new List<BranchTreeNode>();
public bool IsExpanded public bool IsExpanded

18
src/Views/BranchTree.axaml.cs
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@ -154,21 +154,24 @@ namespace SourceGit.Views
if (selected == null || selected.Count == 0) if (selected == null || selected.Count == 0)
return; return;
var set = new HashSet<ViewModels.BranchTreeNode>(); foreach (var item in e.AddedItems)
foreach (var item in selected)
{ {
if (item is ViewModels.BranchTreeNode node) if (item is ViewModels.BranchTreeNode node)
set.Add(node); node.IsSelected = true;
}
foreach (var item in e.RemovedItems)
{
if (item is ViewModels.BranchTreeNode node)
node.IsSelected = false;
} }
var prev = null as ViewModels.BranchTreeNode; var prev = null as ViewModels.BranchTreeNode;
var isPrevSelected = false;
foreach (var row in Rows) foreach (var row in Rows)
{ {
var isSelected = set.Contains(row); if (row.IsSelected)
if (isSelected)
{ {
if (isPrevSelected) if (prev is { IsSelected: true })
{ {
var prevTop = prev.CornerRadius.TopLeft; var prevTop = prev.CornerRadius.TopLeft;
prev.CornerRadius = new CornerRadius(prevTop, 0); prev.CornerRadius = new CornerRadius(prevTop, 0);
@ -180,7 +183,6 @@ namespace SourceGit.Views
} }
} }
isPrevSelected = isSelected;
prev = row; prev = row;
} }