public void Items_Should_Be_Created()
{
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = CreateTestTreeData(),
DataTemplates = CreateNodeDataTemplate(),
};
target.ApplyTemplate();
Assert.Equal(new[] { "Root" }, ExtractItemHeader(target, 0));
Assert.Equal(new[] { "Child1", "Child2" }, ExtractItemHeader(target, 1));
Assert.Equal(new[] { "Grandchild2a" }, ExtractItemHeader(target, 2));
}
public void Root_ItemContainerGenerator_Containers_Should_Be_Root_Containers()
{
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = CreateTestTreeData(),
DataTemplates = CreateNodeDataTemplate(),
};
target.ApplyTemplate();
var container = (TreeViewItem)target.ItemContainerGenerator.Containers.Single();
var header = (TextBlock)container.Header;
Assert.Equal("Root", header.Text);
}
public void Items_Should_Be_Created()
{
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = CreateTestTreeData(),
DataTemplates = CreateNodeDataTemplate(),
};
target.ApplyTemplate();
Assert.Equal(new[] { "Root" }, ExtractItemHeader(target, 0));
Assert.Equal(new[] { "Child1", "Child2" }, ExtractItemHeader(target, 1));
Assert.Equal(new[] { "Grandchild2a" }, ExtractItemHeader(target, 2));
}
public void Root_ItemContainerGenerator_Containers_Should_Be_Root_Containers()
{
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = CreateTestTreeData(),
DataTemplates = CreateNodeDataTemplate(),
};
target.ApplyTemplate();
var container = (TreeViewItem)target.ItemContainerGenerator.Containers.Single();
var header = (TextBlock)container.Header;
Assert.Equal("Root", header.Text);
}
public void LogicalChildren_Should_Be_Set()
{
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = new[] { "Foo", "Bar", "Baz " },
};
target.ApplyTemplate();
var result = target.GetLogicalChildren()
.OfType <TreeViewItem>()
.Select(x => x.Header)
.OfType <TextBlock>()
.Select(x => x.Text)
.ToList();
Assert.Equal(new[] { "Foo", "Bar", "Baz " }, result);
}
public void Control_Item_Should_Not_Be_NameScope()
{
var items = new object[]
{
new TreeViewItem(),
};
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = items,
};
target.ApplyTemplate();
target.Presenter.ApplyTemplate();
var item = target.Presenter.Panel.LogicalChildren[0];
Assert.Null(NameScope.GetNameScope((TreeViewItem)item));
}
public void DataTemplate_Created_Item_Should_Be_NameScope()
{
var items = new object[]
{
"foo",
};
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = items,
};
target.ApplyTemplate();
target.Presenter.ApplyTemplate();
var item = target.Presenter.Panel.LogicalChildren[0];
Assert.NotNull(NameScope.GetNameScope((TreeViewItem)item));
}
public void DataContexts_Should_Be_Correctly_Set()
{
var items = new object[]
{
"Foo",
new Node {
Value = "Bar"
},
new TextBlock {
Text = "Baz"
},
new TreeViewItem {
Header = "Qux"
},
};
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
DataContext = "Base",
DataTemplates = new DataTemplates
{
new FuncDataTemplate <Node>(x => new Button {
Content = x
})
},
Items = items,
};
target.ApplyTemplate();
var dataContexts = target.Presenter.Panel.Children
.Cast <Control>()
.Select(x => x.DataContext)
.ToList();
Assert.Equal(
new object[] { items[0], items[1], "Base", "Base" },
dataContexts);
}
private void ApplyTemplates(TreeView tree)
{
tree.ApplyTemplate();
tree.Presenter.ApplyTemplate();
ApplyTemplates(tree.Presenter.Panel.Children);
}
private void ApplyTemplates(TreeView tree)
{
tree.ApplyTemplate();
tree.Presenter.ApplyTemplate();
ApplyTemplates(tree.Presenter.Panel.Children);
}
public void DataContexts_Should_Be_Correctly_Set()
{
var items = new object[]
{
"Foo",
new Node { Value = "Bar" },
new TextBlock { Text = "Baz" },
new TreeViewItem { Header = "Qux" },
};
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
DataContext = "Base",
DataTemplates = new DataTemplates
{
new FuncDataTemplate<Node>(x => new Button { Content = x })
},
Items = items,
};
target.ApplyTemplate();
var dataContexts = target.Presenter.Panel.Children
.Cast<Control>()
.Select(x => x.DataContext)
.ToList();
Assert.Equal(
new object[] { items[0], items[1], "Base", "Base" },
dataContexts);
}
public void LogicalChildren_Should_Be_Set()
{
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = new[] { "Foo", "Bar", "Baz " },
};
target.ApplyTemplate();
var result = target.GetLogicalChildren()
.OfType<TreeViewItem>()
.Select(x => x.Header)
.OfType<TextBlock>()
.Select(x => x.Text)
.ToList();
Assert.Equal(new[] { "Foo", "Bar", "Baz " }, result);
}