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Adds TreeView MaxDepth (#2651)

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This commit is contained in:
Thomas Nind
2023-05-21 22:26:50 +01:00
committed by GitHub
parent 4d6781e5f9
commit 0ea7a871ce
3 changed files with 107 additions and 2 deletions
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95
UnitTests/Views/TreeViewTests.cs
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@@ -131,7 +131,7 @@ namespace Terminal.Gui.ViewsTests {
{
var tree = CreateTree (out Factory f, out Car car1, out Car car2);
tree.BeginInit (); tree.EndInit ();
// control only allows 1 row to be viewed at once
tree.Bounds = new Rect (0, 0, 20, 1);
@@ -902,6 +902,99 @@ namespace Terminal.Gui.ViewsTests {
new [] { tv.ColorScheme.Normal, pink });
}
[Fact, AutoInitShutdown]
public void TestBottomlessTreeView_MaxDepth_5 ()
{
var tv = new TreeView<string> () { Width = 20, Height = 10 };
tv.TreeBuilder = new DelegateTreeBuilder<string> (
(s) => new [] { (int.Parse (s) + 1).ToString () }
);
tv.AddObject ("1");
tv.ColorScheme = new ColorScheme ();
tv.LayoutSubviews ();
tv.Draw ();
// Nothing expanded
TestHelpers.AssertDriverContentsAre (
@"└+1
", output);
tv.MaxDepth = 5;
tv.ExpandAll ();
tv.Draw ();
// Normal drawing of the tree view
TestHelpers.AssertDriverContentsAre (
@"
└-1
└-2
└-3
└-4
└-5
└─6
", output);
Assert.False (tv.CanExpand ("6"));
Assert.False (tv.IsExpanded ("6"));
tv.Collapse("6");
Assert.False (tv.CanExpand ("6"));
Assert.False (tv.IsExpanded ("6"));
tv.Collapse ("5");
Assert.True (tv.CanExpand ("5"));
Assert.False (tv.IsExpanded ("5"));
tv.Draw ();
// Normal drawing of the tree view
TestHelpers.AssertDriverContentsAre (
@"
└-1
└-2
└-3
└-4
└+5
", output);
}
[Fact, AutoInitShutdown]
public void TestBottomlessTreeView_MaxDepth_3 ()
{
var tv = new TreeView<string> () { Width = 20, Height = 10 };
tv.TreeBuilder = new DelegateTreeBuilder<string> (
(s) => new [] { (int.Parse (s) + 1).ToString () }
);
tv.AddObject ("1");
tv.ColorScheme = new ColorScheme ();
tv.LayoutSubviews ();
tv.Draw ();
// Nothing expanded
TestHelpers.AssertDriverContentsAre (
@"└+1
", output);
tv.MaxDepth = 3;
tv.ExpandAll ();
tv.Draw ();
// Normal drawing of the tree view
TestHelpers.AssertDriverContentsAre (
@"
└-1
└-2
└-3
└─4
", output);
}
[Fact, AutoInitShutdown]
public void TestTreeView_Filter ()
{