public void TestMarginWithSiblingRow()
{
var platform = new UnitPlatform((visual, width, height) => new SizeRequest(new Size(0, 0)));
var view0 = new View {
Platform = platform, IsPlatformEnabled = true, Margin = new Thickness(0, 0, 10, 0)
};
FlexLayout.SetGrow(view0, 1);
var view1 = new View {
Platform = platform, IsPlatformEnabled = true
};
FlexLayout.SetGrow(view1, 1);
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Children =
{
view0,
view1,
},
Direction = FlexDirection.Row,
};
layout.Layout(new Rectangle(0, 0, 100, 100));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 100, 100)));
Assert.That(view0.Bounds, Is.EqualTo(new Rectangle(0, 0, 45, 100)));
Assert.That(view1.Bounds, Is.EqualTo(new Rectangle(55, 0, 45, 100)));
}
public void TestFlexDirectionColumnWithoutHeight()
{
var platform = new UnitPlatform();
var view0 = new View {
Platform = platform, IsPlatformEnabled = true, HeightRequest = 10
};
var view1 = new View {
Platform = platform, IsPlatformEnabled = true, HeightRequest = 10
};
var view2 = new View {
Platform = platform, IsPlatformEnabled = true, HeightRequest = 10
};
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Children =
{
view0,
view1,
view2,
},
Direction = FlexDirection.Column,
};
var sizeRequest = layout.Measure(100, double.PositiveInfinity);
layout.Layout(new Rectangle(0, 0, sizeRequest.Request.Width, sizeRequest.Request.Height));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 100, 30)));
Assert.That(view0.Bounds, Is.EqualTo(new Rectangle(0, 0, 100, 10)));
Assert.That(view1.Bounds, Is.EqualTo(new Rectangle(0, 10, 100, 10)));
Assert.That(view2.Bounds, Is.EqualTo(new Rectangle(0, 20, 100, 10)));
}
public void TestMarginWithSiblingColumn()
{
var platform = new UnitPlatform();
var view0 = new View {
Platform = platform, IsPlatformEnabled = true, Margin = new Thickness(0, 0, 0, 10)
};
FlexLayout.SetGrow(view0, 1);
var view1 = new View {
Platform = platform, IsPlatformEnabled = true
};
FlexLayout.SetGrow(view1, 1);
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Children =
{
view0,
view1,
},
Direction = FlexDirection.Column,
};
layout.Layout(new Rectangle(0, 0, 100, 100));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 100, 100)));
Assert.That(view0.Bounds, Is.EqualTo(new Rectangle(0, 0, 100, 45)));
Assert.That(view1.Bounds, Is.EqualTo(new Rectangle(0, 55, 100, 45)));
}
public void TestFlexDirectionRowNoWidth()
{
var platform = new UnitPlatform();
var view0 = new View {
Platform = platform, IsPlatformEnabled = true, WidthRequest = 10,
};
var view1 = new View {
Platform = platform, IsPlatformEnabled = true, WidthRequest = 10,
};
var view2 = new View {
Platform = platform, IsPlatformEnabled = true, WidthRequest = 10,
};
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Children =
{
view0,
view1,
view2,
},
Direction = FlexDirection.Row,
};
var measure = layout.Measure(double.PositiveInfinity, 100);
layout.Layout(new Rectangle(0, 0, measure.Request.Width, measure.Request.Height));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 30, 100)));
Assert.That(view0.Bounds, Is.EqualTo(new Rectangle(0, 0, 10, 100)));
Assert.That(view1.Bounds, Is.EqualTo(new Rectangle(10, 0, 10, 100)));
Assert.That(view2.Bounds, Is.EqualTo(new Rectangle(20, 0, 10, 100)));
}
public void TestFlexDirectionRowReverse()
{
var platform = new UnitPlatform();
var view0 = new View {
Platform = platform, IsPlatformEnabled = true, WidthRequest = 10,
};
var view1 = new View {
Platform = platform, IsPlatformEnabled = true, WidthRequest = 10,
};
var view2 = new View {
Platform = platform, IsPlatformEnabled = true, WidthRequest = 10,
};
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Children =
{
view0,
view1,
view2,
},
Direction = FlexDirection.RowReverse,
};
layout.Layout(new Rectangle(0, 0, 100, 100));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 100, 100)));
Assert.That(view0.Bounds, Is.EqualTo(new Rectangle(90, 0, 10, 100)));
Assert.That(view1.Bounds, Is.EqualTo(new Rectangle(80, 0, 10, 100)));
Assert.That(view2.Bounds, Is.EqualTo(new Rectangle(70, 0, 10, 100)));
}
public void NativeSizedChildBehavior()
{
var plat = new UnitPlatform();
var child = new Label {
Platform = plat, IsPlatformEnabled = true, HorizontalOptions = LayoutOptions.Center
};
var root = new ContentPage {
Platform = plat, IsPlatformEnabled = true, Content = child
};
root.Layout(new Rectangle(0, 0, 200, 500));
Assert.AreEqual(50, child.X);
Assert.AreEqual(100, child.Width);
Assert.AreEqual(500, child.Height);
child = new Label()
{
Platform = plat, IsPlatformEnabled = true,
VerticalOptions = LayoutOptions.Center
};
root = new ContentPage {
Platform = plat, IsPlatformEnabled = true,
Content = child
};
root.Layout(new Rectangle(0, 0, 200, 500));
Assert.AreEqual(0, child.X);
Assert.AreEqual(240, child.Y);
Assert.AreEqual(200, child.Width);
Assert.AreEqual(20, child.Height);
}
public void TestFlexDirectionColumn()
{
var platform = new UnitPlatform();
var view0 = new View {
Platform = platform, IsPlatformEnabled = true, HeightRequest = 10
};
var view1 = new View {
Platform = platform, IsPlatformEnabled = true, HeightRequest = 10
};
var view2 = new View {
Platform = platform, IsPlatformEnabled = true, HeightRequest = 10
};
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Children =
{
view0,
view1,
view2,
},
Direction = FlexDirection.Column,
};
layout.Layout(new Rectangle(0, 0, 100, 100));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 100, 100)));
Assert.That(view0.Bounds, Is.EqualTo(new Rectangle(0, 0, 100, 10)));
Assert.That(view1.Bounds, Is.EqualTo(new Rectangle(0, 10, 100, 10)));
Assert.That(view2.Bounds, Is.EqualTo(new Rectangle(0, 20, 100, 10)));
}
public void TestBasicLayoutWithElementsWidth()
{
var platform = new UnitPlatform();
var label1 = new Label {
Platform = platform, IsPlatformEnabled = true, WidthRequest = 120
};
var label2 = new Label {
Platform = platform, IsPlatformEnabled = true, WidthRequest = 120
};
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Children =
{
label1,
label2,
}
};
layout.Layout(new Rectangle(0, 0, 912, 912));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 912, 912)));
Assert.That(label1.Bounds, Is.EqualTo(new Rectangle(0, 0, 120, 912)));
Assert.That(label2.Bounds, Is.EqualTo(new Rectangle(120, 0, 120, 912)));
}
public void TestMeasuring()
{
var platform = new UnitPlatform();
var label = new Label {
Platform = platform,
IsPlatformEnabled = true,
};
var Layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Direction = FlexDirection.Row,
Wrap = FlexWrap.Wrap,
Children =
{
label,
}
};
//measure sith +inf as main-axis
var measure = Layout.Measure(double.PositiveInfinity, 40);
Assert.That(measure.Request, Is.EqualTo(new Size(100, 40)));
//measure sith +inf as cross-axis
measure = Layout.Measure(200, double.PositiveInfinity);
Assert.That(measure.Request, Is.EqualTo(new Size(200, 20)));
//measure with +inf as both axis
measure = Layout.Measure(double.PositiveInfinity, double.PositiveInfinity);
Assert.That(measure.Request, Is.EqualTo(new Size(100, 20)));
}
public void TestBasicLayoutWithElementsWidthAndMargin()
{
var platform = new UnitPlatform();
var label1 = new Label {
Platform = platform, IsPlatformEnabled = true, WidthRequest = 100, Margin = new Thickness(5, 0, 0, 0)
};
var label2 = new Label {
Platform = platform, IsPlatformEnabled = true, WidthRequest = 100, Margin = new Thickness(5, 0, 0, 0)
};
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Children =
{
label1,
label2,
}
};
layout.Layout(new Rectangle(0, 0, 912, 912));
Assert.AreEqual(912, layout.Width);
Assert.AreEqual(912, layout.Height);
Assert.AreEqual(new Rectangle(5, 0, 100, 912), label1.Bounds);
Assert.AreEqual(new Rectangle(110, 0, 100, 912), label2.Bounds);
}
public void TestBasicHorizontalLayout ()
{
var platform = new UnitPlatform ();
var layout = new Grid ();
layout.Platform = platform;
var label1 = new Label {Platform = platform, IsPlatformEnabled = true};
var label2 = new Label {Platform = platform, IsPlatformEnabled = true};
var label3 = new Label {Platform = platform, IsPlatformEnabled = true};
layout.Children.AddHorizontal (new View[] {
label1,
label2,
label3
});
layout.Layout (new Rectangle (0, 0, 912, 912));
Assert.AreEqual (912, layout.Width);
Assert.AreEqual (912, layout.Height);
Assert.AreEqual (new Rectangle (0, 0, 300, 912), label1.Bounds);
Assert.AreEqual (new Rectangle (306, 0, 300, 912), label2.Bounds);
Assert.AreEqual (new Rectangle (612, 0, 300, 912), label3.Bounds);
}
public void TestNesting()
{
var platform = new UnitPlatform();
var header = new View {
HeightRequest = 50, IsPlatformEnabled = true,
};
var footer = new View {
HeightRequest = 50, IsPlatformEnabled = true,
};
Func <View> createItem = () => {
var v = new View {
WidthRequest = 50, Margin = 5, IsPlatformEnabled = true,
};
FlexLayout.SetGrow(v, 1);
return(v);
};
var layout = new FlexLayout
{
Platform = platform,
IsPlatformEnabled = true,
Children =
{
header,
new FlexLayout {
Direction = FlexDirection.Row,
IsPlatformEnabled = true,
Children =
{
createItem(),
createItem(),
createItem(),
createItem(),
createItem(),
}
},
footer,
},
Direction = FlexDirection.Column,
};
var inner = layout.Children[1] as FlexLayout;
FlexLayout.SetGrow(inner, 1);
layout.Layout(new Rectangle(0, 0, 300, 600));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 300, 600)));
Assert.That(header.Bounds, Is.EqualTo(new Rectangle(0, 0, 300, 50)));
Assert.That(inner.Bounds, Is.EqualTo(new Rectangle(0, 50, 300, 500)));
Assert.That(inner.Children[0].Bounds, Is.EqualTo(new Rectangle(5, 5, 50, 490)));
Assert.That(inner.Children[1].Bounds, Is.EqualTo(new Rectangle(65, 5, 50, 490)));
Assert.That(inner.Children[2].Bounds, Is.EqualTo(new Rectangle(125, 5, 50, 490)));
Assert.That(inner.Children[3].Bounds, Is.EqualTo(new Rectangle(185, 5, 50, 490)));
Assert.That(inner.Children[4].Bounds, Is.EqualTo(new Rectangle(245, 5, 50, 490)));
Assert.That(footer.Bounds, Is.EqualTo(new Rectangle(0, 550, 300, 50)));
}
public void TestAlignContentStretchRowWithFlex()
{
var platform = new UnitPlatform();
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
AlignContent = FlexAlignContent.Stretch,
Direction = FlexDirection.Row,
Wrap = FlexWrap.Wrap,
};
var view0 = new View {
IsPlatformEnabled = true, WidthRequest = 50
};
layout.Children.Add(view0);
var view1 = new View {
IsPlatformEnabled = true, WidthRequest = 50
};
FlexLayout.SetGrow(view1, 1);
FlexLayout.SetShrink(view1, 1);
FlexLayout.SetBasis(view1, 0);
layout.Children.Add(view1);
var view2 = new View {
IsPlatformEnabled = true, WidthRequest = 50
};
layout.Children.Add(view2);
var view3 = new View {
IsPlatformEnabled = true, WidthRequest = 50
};
FlexLayout.SetGrow(view3, 1);
FlexLayout.SetShrink(view3, 1);
FlexLayout.SetBasis(view3, 0);
layout.Children.Add(view3);
var view4 = new View {
IsPlatformEnabled = true, WidthRequest = 50
};
layout.Children.Add(view4);
layout.Layout(new Rectangle(0, 0, 150, 100));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 150, 100)));
Assert.That(view0.Bounds, Is.EqualTo(new Rectangle(0, 0, 50, 100)));
Assert.That(view1.Bounds, Is.EqualTo(new Rectangle(50, 0, 0, 100)));
Assert.That(view2.Bounds, Is.EqualTo(new Rectangle(50, 0, 50, 100)));
Assert.That(view3.Bounds, Is.EqualTo(new Rectangle(100, 0, 0, 100)));
Assert.That(view4.Bounds, Is.EqualTo(new Rectangle(100, 0, 50, 100)));
}
public void TemplateInflates()
{
var platform = new UnitPlatform();
var contentView = new ContentView();
contentView.ControlTemplate = new ControlTemplate(typeof(SimpleTemplate));
contentView.Platform = platform;
Assert.That(contentView.LogicalChildren[0], Is.TypeOf <SimpleTemplate> ());
}
public void TestAlignContentFlexStart()
{
var platform = new UnitPlatform((visual, width, height) => new SizeRequest(new Size(50, 10)));
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
WidthRequest = 130,
HeightRequest = 100,
AlignContent = FlexAlignContent.Start,
AlignItems = FlexAlignItems.Start,
Direction = FlexDirection.Row,
Wrap = FlexWrap.Wrap,
};
var view0 = new View {
IsPlatformEnabled = true, WidthRequest = 50, HeightRequest = 10,
};
layout.Children.Add(view0);
var view1 = new View {
IsPlatformEnabled = true, WidthRequest = 50, HeightRequest = 10,
};
layout.Children.Add(view1);
var view2 = new View {
IsPlatformEnabled = true, WidthRequest = 50, HeightRequest = 10,
};
layout.Children.Add(view2);
var view3 = new View {
IsPlatformEnabled = true, WidthRequest = 50, HeightRequest = 10,
};
layout.Children.Add(view3);
var view4 = new View {
IsPlatformEnabled = true, WidthRequest = 50, HeightRequest = 10,
};
layout.Children.Add(view4);
layout.Layout(new Rectangle(0, 0, 130, 100));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 130, 100)));
Assert.That(view0.Bounds, Is.EqualTo(new Rectangle(0, 0, 50, 10)));
Assert.That(view1.Bounds, Is.EqualTo(new Rectangle(50, 0, 50, 10)));
Assert.That(view2.Bounds, Is.EqualTo(new Rectangle(0, 10, 50, 10)));
Assert.That(view3.Bounds, Is.EqualTo(new Rectangle(50, 10, 50, 10)));
Assert.That(view4.Bounds, Is.EqualTo(new Rectangle(0, 20, 50, 10)));
}
// fixed at https://github.com/xamarin/flex/commit/0ccb9f1625abdc5400def29651373937bf6610cd
public void TestSwapChildrenOrder()
{
var layoutSize = new Size(300, 50);
var platform = new UnitPlatform();
var layout = new FlexLayout {
Direction = FlexDirection.Row,
Platform = platform,
IsPlatformEnabled = true,
};
var label0 = new Label {
Platform = platform, IsPlatformEnabled = true, Text = "Label0"
};
FlexLayout.SetGrow(label0, 1);
layout.Children.Add(label0);
var label1 = new Label {
Platform = platform, IsPlatformEnabled = true, Text = "Label1"
};
FlexLayout.SetGrow(label1, 1);
layout.Children.Add(label1);
var label2 = new Label {
Platform = platform, IsPlatformEnabled = true, Text = "Label2"
};
FlexLayout.SetGrow(label2, 1);
layout.Children.Add(label2);
layout.Layout(new Rectangle(0, 0, layoutSize.Width, layoutSize.Height));
Assert.AreEqual(new Rectangle(0, 0, 100, 50), label0.Bounds);
Assert.AreEqual(new Rectangle(100, 0, 100, 50), label1.Bounds);
Assert.AreEqual(new Rectangle(200, 0, 100, 50), label2.Bounds);
var lastItem = layout.Children[2];
Assert.That(lastItem, Is.SameAs(label2));
layout.Children.Remove(lastItem);
Assert.AreEqual(new Rectangle(0, 0, 150, 50), label0.Bounds);
Assert.AreEqual(new Rectangle(150, 0, 150, 50), label1.Bounds);
layout.Children.Insert(0, lastItem);
Assert.AreEqual(new Rectangle(0, 0, 100, 50), label2.Bounds);
Assert.AreEqual(new Rectangle(100, 0, 100, 50), label0.Bounds);
Assert.AreEqual(new Rectangle(200, 0, 100, 50), label1.Bounds);
}
public void TestAlignContentFlexEnd()
{
var platform = new UnitPlatform((visual, width, height) => new SizeRequest(new Size(50, 10)));
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
WidthRequest = 100,
HeightRequest = 100,
Direction = FlexDirection.Column,
AlignContent = FlexAlignContent.End,
AlignItems = FlexAlignItems.Start,
Wrap = FlexWrap.Wrap,
};
Func <View> createView = () => new View {
IsPlatformEnabled = true,
Platform = platform,
WidthRequest = 50,
HeightRequest = 10,
};
var view0 = createView();
layout.Children.Add(view0);
var view1 = createView();
layout.Children.Add(view1);
var view2 = createView();
layout.Children.Add(view2);
var view3 = createView();
layout.Children.Add(view3);
var view4 = createView();
layout.Children.Add(view4);
var measure = layout.Measure(100, 100);
layout.Layout(new Rectangle(0, 0, 100, 100));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 100, 100)));
Assert.That(view0.Bounds, Is.EqualTo(new Rectangle(50, 0, 50, 10)));
Assert.That(view1.Bounds, Is.EqualTo(new Rectangle(50, 10, 50, 10)));
Assert.That(view2.Bounds, Is.EqualTo(new Rectangle(50, 20, 50, 10)));
Assert.That(view3.Bounds, Is.EqualTo(new Rectangle(50, 30, 50, 10)));
Assert.That(view4.Bounds, Is.EqualTo(new Rectangle(50, 40, 50, 10)));
}
public void NonTemplatedContentInheritsBindingContext()
{
var platform = new UnitPlatform();
var contentView = new ContentView();
var child = new View();
contentView.Content = child;
contentView.Platform = platform;
contentView.BindingContext = "Foo";
Assert.AreEqual("Foo", child.BindingContext);
}
public void ContentParentIsNotInsideTempalte()
{
var platform = new UnitPlatform();
var contentView = new ContentView();
var child = new View();
contentView.ControlTemplate = new ControlTemplate(typeof(SimpleTemplate));
contentView.Content = child;
contentView.Platform = platform;
Assert.AreEqual(contentView, child.Parent);
}
public void NullTemplateDirectlyHosts()
{
// order of setting properties carefully picked to emulate running on real backend
var platform = new UnitPlatform();
var contentView = new ContentView();
var child = new View();
contentView.Content = child;
contentView.Platform = platform;
Assert.AreEqual(child, contentView.LogicalChildren[0]);
}
public void PacksContent()
{
var platform = new UnitPlatform();
var contentView = new ContentView();
var child = new View();
contentView.ControlTemplate = new ControlTemplate(typeof(SimpleTemplate));
contentView.Content = child;
contentView.Platform = platform;
Assume.That(contentView.LogicalChildren[0], Is.TypeOf <SimpleTemplate> ());
Assert.That(contentView.Descendants(), Contains.Item(child));
}
public void TestMarginsWithWrap()
{
var platform = new UnitPlatform();
var label0 = new Label {
Platform = platform,
IsPlatformEnabled = true,
Margin = 6,
};
var label1 = new Label {
Platform = platform,
IsPlatformEnabled = true,
Margin = 6,
};
var label2 = new Label {
Platform = platform,
IsPlatformEnabled = true,
};
FlexLayout.SetGrow(label0, 0);
FlexLayout.SetBasis(label0, new FlexBasis(.5f, true));
FlexLayout.SetGrow(label1, 0);
FlexLayout.SetBasis(label1, new FlexBasis(.5f, true));
FlexLayout.SetGrow(label2, 0);
FlexLayout.SetBasis(label2, new FlexBasis(1f, true));
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Direction = FlexDirection.Row,
Wrap = FlexWrap.Wrap,
AlignItems = FlexAlignItems.Start,
AlignContent = FlexAlignContent.Start,
Children =
{
label0,
label1,
label2,
}
};
var measure = layout.Measure(300, double.PositiveInfinity);
Assert.That(measure.Request, Is.EqualTo(new Size(300, 52)));
layout.Layout(new Rectangle(0, 0, 300, 300));
Assert.That(label0.Bounds, Is.EqualTo(new Rectangle(6, 6, 138, 20)));
Assert.That(label1.Bounds, Is.EqualTo(new Rectangle(156, 6, 138, 20)));
Assert.That(label2.Bounds, Is.EqualTo(new Rectangle(0, 32, 300, 20)));
}
public void TestSetBounds()
{
var layoutSize = new Size(320, 50);
var platform = new UnitPlatform();
var layout = new FlexLayout {
Direction = FlexDirection.Row,
AlignItems = FlexAlignItems.Start,
Platform = platform,
IsPlatformEnabled = true
};
var label1 = new Label {
Platform = platform, IsPlatformEnabled = true
};
FlexLayout.SetGrow(label1, 1);
layout.Children.Add(label1);
var label2 = new Label {
Platform = platform, IsPlatformEnabled = true
};
FlexLayout.SetGrow(label2, 1);
layout.Children.Add(label2);
var label3 = new Label {
Platform = platform, IsPlatformEnabled = true
};
FlexLayout.SetGrow(label3, 1);
layout.Children.Add(label3);
layout.Layout(new Rectangle(0, 0, layoutSize.Width, layoutSize.Height));
Assert.AreEqual(label2.Bounds.Left, Math.Max(label1.Bounds.Left, label1.Bounds.Right), 1);
Assert.AreEqual(label3.Bounds.Left, Math.Max(label2.Bounds.Left, label2.Bounds.Right), 1);
double totalWidth = 0;
foreach (var view in layout.Children)
{
totalWidth += view.Bounds.Width;
}
Assert.AreEqual(layoutSize.Width, totalWidth, 2);
}
public void ContentDoesGetBindingContext()
{
var platform = new UnitPlatform();
var contentView = new ContentView();
var child = new View();
contentView.ControlTemplate = new ControlTemplate(typeof(SimpleTemplate));
contentView.Content = child;
contentView.Platform = platform;
var bc = "Test";
contentView.BindingContext = bc;
Assert.AreEqual(bc, child.BindingContext);
}
public void TestRelayoutOnChildrenRemoved()
{
var layoutSize = new Size(300, 50);
var platform = new UnitPlatform();
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Direction = FlexDirection.Row
};
var label1 = new Label {
Platform = platform, IsPlatformEnabled = true
};
FlexLayout.SetGrow(label1, 1);
layout.Children.Add(label1);
var label2 = new Label {
Platform = platform, IsPlatformEnabled = true
};
FlexLayout.SetGrow(label2, 1);
layout.Children.Add(label2);
var label3 = new Label {
Platform = platform, IsPlatformEnabled = true
};
FlexLayout.SetGrow(label3, 1);
layout.Children.Add(label3);
layout.Layout(new Rectangle(0, 0, layoutSize.Width, layoutSize.Height));
foreach (var view in layout.Children)
{
Assert.That(view.Bounds.Width, Is.EqualTo(100));
}
layout.Children.Remove(label3);
Assert.That(label1.Bounds.Width, Is.EqualTo(150));
Assert.That(label2.Bounds.Width, Is.EqualTo(150));
Assert.That(label3.Bounds.Width, Is.EqualTo(100));
}
public void TestSizedChildBehavior ()
{
var plat = new UnitPlatform ();
var child = new Label {Platform = plat, IsPlatformEnabled = true, WidthRequest = 100, HorizontalOptions = LayoutOptions.Center};
var root = new ContentPage {Platform = plat, IsPlatformEnabled = true, Content = child};
root.Layout (new Rectangle (0, 0, 200, 500));
Assert.AreEqual (50, child.X);
Assert.AreEqual (100, child.Width);
Assert.AreEqual (500, child.Height);
child = new Label () {
Platform = plat, IsPlatformEnabled = true,
HeightRequest = 100,
VerticalOptions = LayoutOptions.Center
};
root = new ContentPage {
Platform = plat, IsPlatformEnabled = true,
Content = child
};
root.Layout (new Rectangle (0, 0, 200, 500));
Assert.AreEqual (0, child.X);
Assert.AreEqual (200, child.Y);
Assert.AreEqual (200, child.Width);
Assert.AreEqual (100, child.Height);
child = new Label ();
child.IsPlatformEnabled = true;
child.HeightRequest = 100;
root = new ContentPage {
Content = child,
Platform = plat, IsPlatformEnabled = true
};
root.Layout (new Rectangle (0, 0, 200, 500));
Assert.AreEqual (0, child.X);
Assert.AreEqual (0, child.Y);
Assert.AreEqual (200, child.Width);
Assert.AreEqual (500, child.Height);
}
public void DoesNotInheritBindingContextToTemplate()
{
var platform = new UnitPlatform();
var contentView = new ContentView();
var child = new View();
contentView.ControlTemplate = new ControlTemplate(typeof(SimpleTemplate));
contentView.Content = child;
contentView.Platform = platform;
var bc = "Test";
contentView.BindingContext = bc;
Assert.AreNotEqual(bc, contentView.LogicalChildren[0].BindingContext);
Assert.IsNull(contentView.LogicalChildren[0].BindingContext);
}
public void TestAlignItemsStretch()
{
var platform = new UnitPlatform();
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Direction = FlexDirection.Column,
};
var view0 = new View {
IsPlatformEnabled = true, HeightRequest = 10,
};
layout.Children.Add(view0);
layout.Layout(new Rectangle(0, 0, 100, 100));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 100, 100)));
Assert.That(view0.Bounds, Is.EqualTo(new Rectangle(0, 0, 100, 10)));
}
public void TestAlignContentStretchRowWithSingleRow()
{
var platform = new UnitPlatform();
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Direction = FlexDirection.Row,
AlignContent = FlexAlignContent.Stretch,
Wrap = FlexWrap.Wrap,
WidthRequest = 150,
HeightRequest = 100
};
var view0 = new View {
IsPlatformEnabled = true
};
view0.WidthRequest = 50;
layout.Children.Add(view0);
var view1 = new View {
IsPlatformEnabled = true
};
view1.WidthRequest = 50;
layout.Children.Add(view1);
layout.Layout(new Rectangle(0, 0, 150, 100));
Assert.AreEqual(0f, layout.X);
Assert.AreEqual(0f, layout.Y);
Assert.AreEqual(150f, layout.Width);
Assert.AreEqual(100f, layout.Height);
Assert.AreEqual(0f, view0.X);
Assert.AreEqual(0f, view0.Y);
Assert.AreEqual(50f, view0.Width);
Assert.AreEqual(100f, view0.Height);
Assert.AreEqual(50f, view1.X);
Assert.AreEqual(0f, view1.Y);
Assert.AreEqual(50f, view1.Width);
Assert.AreEqual(100f, view1.Height);
}
public void TestFlexLayoutIsIncludeChangeWorksOnSecondPass()
{
var layoutSize = new Size(300, 50);
var platform = new UnitPlatform();
var layout = new FlexLayout {
Direction = FlexDirection.Row,
Platform = platform,
IsPlatformEnabled = true,
};
var label1 = new Label {
Platform = platform, IsPlatformEnabled = true
};
FlexLayout.SetGrow(label1, 1);
layout.Children.Add(label1);
var label2 = new Label {
Platform = platform, IsPlatformEnabled = true
};
FlexLayout.SetGrow(label2, 1);
layout.Children.Add(label2);
var label3 = new Label {
Platform = platform, IsPlatformEnabled = true
};
FlexLayout.SetGrow(label3, 1);
layout.Layout(new Rectangle(0, 0, layoutSize.Width, layoutSize.Height));
Assert.AreEqual(150, label1.Bounds.Width);
Assert.AreEqual(150, label2.Bounds.Width);
Assert.AreEqual(-1, label3.Bounds.Width);
layout.Children.Add(label3);
layout.Layout(new Rectangle(0, 0, layoutSize.Width, layoutSize.Height));
Assert.AreEqual(100, label1.Bounds.Width);
Assert.AreEqual(100, label2.Bounds.Width);
Assert.AreEqual(100, label3.Bounds.Width);
}
public void TestOrderingElements()
{
var platform = new UnitPlatform();
var label0 = new Label {
Platform = platform, IsPlatformEnabled = true
};
var label1 = new Label {
Platform = platform, IsPlatformEnabled = true
};
var label2 = new Label {
Platform = platform, IsPlatformEnabled = true
};
var label3 = new Label {
Platform = platform, IsPlatformEnabled = true
};
FlexLayout.SetOrder(label3, 0);
FlexLayout.SetOrder(label2, 1);
FlexLayout.SetOrder(label1, 2);
FlexLayout.SetOrder(label0, 3);
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Direction = FlexDirection.Column,
Children =
{
label0,
label1,
label2,
label3
}
};
layout.Layout(new Rectangle(0, 0, 912, 912));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 912, 912)));
Assert.That(label3.Bounds, Is.EqualTo(new Rectangle(0, 0, 912, 20)));
Assert.That(label2.Bounds, Is.EqualTo(new Rectangle(0, 20, 912, 20)));
Assert.That(label1.Bounds, Is.EqualTo(new Rectangle(0, 40, 912, 20)));
Assert.That(label0.Bounds, Is.EqualTo(new Rectangle(0, 60, 912, 20)));
}
public void TestIsVisible()
//https://github.com/xamarin/Xamarin.Forms/issues/2593
{
var platform = new UnitPlatform();
var label0 = new Label {
Platform = platform,
IsPlatformEnabled = true,
};
var label1 = new Label {
Platform = platform,
IsPlatformEnabled = true,
};
var label2 = new Label {
Platform = platform,
IsPlatformEnabled = true,
};
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
Direction = FlexDirection.Column,
Children =
{
label0,
label1,
label2,
}
};
layout.Layout(new Rectangle(0, 0, 300, 300));
Assert.That(label0.Bounds, Is.EqualTo(new Rectangle(0, 0, 300, 20)));
Assert.That(label1.Bounds, Is.EqualTo(new Rectangle(0, 20, 300, 20)));
Assert.That(label2.Bounds, Is.EqualTo(new Rectangle(0, 40, 300, 20)));
label1.IsVisible = false;
Assert.That(label0.Bounds, Is.EqualTo(new Rectangle(0, 0, 300, 20)));
Assert.That(label2.Bounds, Is.EqualTo(new Rectangle(0, 20, 300, 20)));
label0.IsVisible = false;
label1.IsVisible = true;
Assert.That(label1.Bounds, Is.EqualTo(new Rectangle(0, 0, 300, 20)));
Assert.That(label2.Bounds, Is.EqualTo(new Rectangle(0, 20, 300, 20)));
}
public void GetSizeRequestIncludesMargins ()
{
var platform = new UnitPlatform ((b, d, e) => new SizeRequest(new Size(100,50)));
var parent = new ContentView {
Platform = platform,
IsPlatformEnabled = true,
};
var child = new Button {
Text = "Test",
Platform = platform,
IsPlatformEnabled = true,
};
child.Margin = new Thickness (10, 20, 30, 40);
parent.Content = child;
var result = parent.Measure (double.PositiveInfinity, double.PositiveInfinity, MeasureFlags.IncludeMargins);
Assert.AreEqual (new Size (140, 110), result.Request);
}
public void MarginsAffectPositionInContentView ()
{
var platform = new UnitPlatform ((b, d, e) => new SizeRequest(new Size(100,50)));
var parent = new ContentView {
Platform = platform,
IsPlatformEnabled = true,
};
var child = new Button {
Text = "Test",
Platform = platform,
IsPlatformEnabled = true,
};
child.Margin = new Thickness (10, 20, 30, 40);
parent.Content = child;
parent.Layout (new Rectangle (0, 0, 140, 110));
Assert.AreEqual (new Rectangle (10, 20, 100, 50), child.Bounds);
}
public void ChangingMarginCausesRelayout ()
{
var platform = new UnitPlatform ((b, d, e) => new SizeRequest(new Size(100,50)));
var parent = new ContentView {
Platform = platform,
IsPlatformEnabled = true,
};
var child = new Button {
Text = "Test",
VerticalOptions = LayoutOptions.Start,
HorizontalOptions = LayoutOptions.Start,
Platform = platform,
IsPlatformEnabled = true,
};
child.Margin = new Thickness (10, 20, 30, 40);
parent.Content = child;
parent.Layout (new Rectangle (0, 0, 1000, 1000));
Assert.AreEqual (new Rectangle (10, 20, 100, 50), child.Bounds);
}
public void TestEnd ()
{
var platform = new UnitPlatform ();
var layout = new Grid ();
layout.Platform = platform;
var label1 = new Label { Platform = platform, IsPlatformEnabled = true, HorizontalOptions = LayoutOptions.End, VerticalOptions = LayoutOptions.EndAndExpand };
layout.Children.AddVertical (label1);
layout.ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition () {Width = new GridLength (1, GridUnitType.Star)},
};
layout.RowDefinitions = new RowDefinitionCollection {
new RowDefinition () {Height = new GridLength (1,GridUnitType.Star)},
};
layout.Layout (new Rectangle (0, 0, 1000, 1000));
Assert.AreEqual (new Rectangle (900, 980, 100, 20), label1.Bounds);
}
public void TestLimitedHeightSizeRequest ()
{
var platform = new UnitPlatform ();
var layout = new Grid {Platform = platform, IsPlatformEnabled = true};
layout.Children.AddVertical (new[] {
new View {Platform = platform, IsPlatformEnabled = true},
new View {Platform = platform, IsPlatformEnabled = true},
new View {Platform = platform, IsPlatformEnabled = true}
});
var result = layout.GetSizeRequest (double.PositiveInfinity, 10).Request;
Assert.AreEqual (new Size (100, 72), result);
}
public void IntegrationTest ()
{
var platform = new UnitPlatform ((b, d, e) => new SizeRequest(new Size(100,50)));
var parent = new StackLayout {
Platform = platform,
Spacing = 0,
IsPlatformEnabled = true,
};
var child1 = new Button {
Text = "Test",
VerticalOptions = LayoutOptions.Start,
HorizontalOptions = LayoutOptions.Start,
Platform = platform,
IsPlatformEnabled = true,
};
var child2 = new Button {
Text = "Test",
Platform = platform,
IsPlatformEnabled = true,
};
child2.Margin = new Thickness (5, 10, 15, 20);
parent.Children.Add (child1);
parent.Children.Add (child2);
parent.Layout (new Rectangle (0, 0, 1000, 1000));
Assert.AreEqual (new Rectangle (0, 0, 100, 50), child1.Bounds);
Assert.AreEqual (new Rectangle (5, 60, 980, 50), child2.Bounds);
child1.Margin = new Thickness (10, 20, 30, 40);
Assert.AreEqual (new Rectangle (10, 20, 100, 50), child1.Bounds);
Assert.AreEqual (new Rectangle (5, 120, 980, 50), child2.Bounds);
}
public void ChildrenLayoutRespectAlignment ()
{
var platform = new UnitPlatform ();
var grid = new Grid {
ColumnDefinitions = { new ColumnDefinition { Width = new GridLength (300) } },
RowDefinitions = { new RowDefinition { Height = new GridLength (100) } },
Platform = platform,
};
var label = new Label {
Platform = platform,
IsPlatformEnabled = true,
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.End,
};
grid.Children.Add (label);
grid.Layout (new Rectangle (0, 0, 500, 500));
Assert.AreEqual (new Rectangle (200, 40, 100, 20), label.Bounds);
}
public void TestHorizontalExpandMiddle ()
{
var platform = new UnitPlatform ();
var layout = new Grid ();
layout.Platform = platform;
var label1 = new Label {Platform = platform, IsPlatformEnabled = true};
var label2 = new Label {Platform = platform, IsPlatformEnabled = true};
var label3 = new Label {Platform = platform, IsPlatformEnabled = true};
layout.ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition { Width = GridLength.Auto },
new ColumnDefinition { Width = new GridLength (1, GridUnitType.Star) },
new ColumnDefinition { Width = GridLength.Auto },
};
layout.Children.Add (label1, 0, 0);
layout.Children.Add (label2, 1, 0);
layout.Children.Add (label3, 2, 0);
layout.Layout (new Rectangle (0, 0, 1000, 1000));
Assert.AreEqual (1000, layout.Width);
Assert.AreEqual (1000, layout.Height);
Assert.AreEqual (new Rectangle (0, 0, 100, 1000), label1.Bounds);
Assert.AreEqual (new Rectangle (106, 0, 1000 - 212, 1000), label2.Bounds);
Assert.AreEqual (new Rectangle (900, 0, 100, 1000), label3.Bounds);
}
public void TestTableExpandedSpan ()
{
var platform = new UnitPlatform ();
var layout = new Grid ();
layout.Platform = platform;
var label1 = new Label {Platform = platform, IsPlatformEnabled = true};
var label2 = new Label {Platform = platform, IsPlatformEnabled = true};
var label3 = new Label {Platform = platform, IsPlatformEnabled = true};
layout.ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition { Width = new GridLength (1, GridUnitType.Star) },
new ColumnDefinition { Width = new GridLength (1, GridUnitType.Star) },
};
layout.RowDefinitions = new RowDefinitionCollection {
new RowDefinition { Height = GridLength.Auto},
new RowDefinition { Height = GridLength.Auto}
};
layout.Children.Add (label1, 0, 2, 0, 1);
layout.Children.Add (label2, 0, 1, 1, 2);
layout.Children.Add (label3, 1, 2, 1, 2);
layout.Layout (new Rectangle (0, 0, 1000, 1000));
Assert.AreEqual (1000, layout.Width);
Assert.AreEqual (1000, layout.Height);
Assert.AreEqual (new Rectangle (0, 0, 1000, 20), label1.Bounds);
Assert.AreEqual (new Rectangle (0, 26, 497, 20), label2.Bounds);
Assert.AreEqual (new Rectangle (503, 26, 497, 20), label3.Bounds);
}
public void TestAddedBP ()
{
var platform = new UnitPlatform ();
var labela0 = new Label {Platform = platform, IsPlatformEnabled = true};
var labela1 = new Label { Platform = platform, IsPlatformEnabled = true };
Grid.SetColumn (labela1, 1);
var labelb1 = new Label {Platform = platform, IsPlatformEnabled = true};
Grid.SetRow (labelb1, 1);
Grid.SetColumn (labelb1, 1);
var labelc = new Label {Platform = platform, IsPlatformEnabled = true};
Grid.SetRow (labelc, 2);
Grid.SetColumnSpan (labelc, 2);
var layout = new Grid {
Platform = platform,
Children = {
labela0,
labela1,
labelb1,
labelc
}
};
layout.ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition { Width = GridLength.Auto },
new ColumnDefinition { Width = GridLength.Auto },
};
layout.RowDefinitions = new RowDefinitionCollection {
new RowDefinition { Height = GridLength.Auto},
new RowDefinition { Height = GridLength.Auto},
new RowDefinition { Height = GridLength.Auto},
};
layout.Layout (new Rectangle (0, 0, 1000, 1000));
Assert.AreEqual (1000, layout.Width);
Assert.AreEqual (1000, layout.Height);
Assert.AreEqual (new Rectangle (0, 0, 100, 20), labela0.Bounds);
Assert.AreEqual (new Rectangle (106, 0, 100, 20), labela1.Bounds);
Assert.AreEqual (new Rectangle (106, 26, 100, 20), labelb1.Bounds);
Assert.AreEqual (new Rectangle (0, 52, 206, 20), labelc.Bounds);
}
//Issue 1384
public void ImageInAutoCellIsProperlyConstrained ()
{
var platform = new UnitPlatform ();
var content = new Image {
Aspect= Aspect.AspectFit,
Platform = platform,
IsPlatformEnabled = true
};
var grid = new Grid {
Platform = platform,
IsPlatformEnabled = true,
BackgroundColor = Color.Red,
VerticalOptions=LayoutOptions.Start,
Children = {
content
},
RowDefinitions = { new RowDefinition { Height = GridLength.Auto} },
ColumnDefinitions = { new ColumnDefinition { Width = GridLength.Auto } }
};
var view = new ContentView {
Platform = platform,
IsPlatformEnabled = true,
Content = grid,
};
view.Layout (new Rectangle (0, 0, 100, 100));
Assert.AreEqual (100, grid.Width);
Assert.AreEqual (20, grid.Height);
view.Layout (new Rectangle (0, 0, 50, 50));
Assert.AreEqual (50, grid.Width);
Assert.AreEqual (10, grid.Height);
}
public void TestVerticalExpandStart ()
{
var platform = new UnitPlatform ();
var layout = new Grid ();
layout.Platform = platform;
var label1 = new Label {Platform = platform, IsPlatformEnabled = true};
var label2 = new Label {Platform = platform, IsPlatformEnabled = true};
layout.RowDefinitions = new RowDefinitionCollection {
new RowDefinition { Height = new GridLength (1, GridUnitType.Star) },
new RowDefinition { Height = GridLength.Auto},
};
layout.Children.Add (label1, 0, 0);
layout.Children.Add (label2, 0, 1);
layout.Layout (new Rectangle (0, 0, 1000, 1000));
Assert.AreEqual (1000, layout.Width);
Assert.AreEqual (1000, layout.Height);
Assert.AreEqual (new Rectangle (0, 0, 1000, 1000 - 20 - layout.RowSpacing), label1.Bounds);
Assert.AreEqual (new Rectangle (0, 1000 - 20, 1000, 20), label2.Bounds);
}
public void SizeRequestForStar ()
{
var platform = new UnitPlatform ();
var grid = new Grid{
RowDefinitions = new RowDefinitionCollection {
new RowDefinition {Height = new GridLength (1, GridUnitType.Star)},
new RowDefinition {Height = GridLength.Auto},
},
ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition {Width = new GridLength (1, GridUnitType.Star)},
new ColumnDefinition {Width = GridLength.Auto},
}
};
grid.Children.Add (new Label {BackgroundColor = Color.Lime, Text="Foo", Platform = platform, IsPlatformEnabled = true});
grid.Children.Add (new Label {Text = "Bar", Platform = platform, IsPlatformEnabled = true},0,1);
grid.Children.Add (new Label {Text="Baz",XAlign = TextAlignment.End, Platform = platform, IsPlatformEnabled = true},1,0);
grid.Children.Add (new Label {Text="Qux", XAlign = TextAlignment.End, Platform = platform, IsPlatformEnabled = true},1,1);
var request = grid.GetSizeRequest (double.PositiveInfinity, double.PositiveInfinity);
Assert.AreEqual (206, request.Request.Width);
Assert.AreEqual (46, request.Request.Height);
Assert.AreEqual (106, request.Minimum.Width);
Assert.AreEqual (26, request.Minimum.Height);
//
}
public void Remove ()
{
var platform = new UnitPlatform();
var labela0 = new Label { Platform = platform, IsPlatformEnabled = true };
var labela1 = new Label { Platform = platform, IsPlatformEnabled = true };
Grid.SetColumn(labela1, 1);
var labelb1 = new Label { Platform = platform, IsPlatformEnabled = true };
Grid.SetRow(labelb1, 1);
Grid.SetColumn(labelb1, 1);
var labelc = new Label { Platform = platform, IsPlatformEnabled = true };
Grid.SetRow(labelc, 2);
Grid.SetColumnSpan(labelc, 2);
var layout = new Grid {
Platform = platform,
Children = {
labela0,
labela1,
labelb1,
labelc
}
};
layout.Children.Remove (labela0);
Assert.False (layout.LogicalChildren.Contains (labela0));
}
public void ContentParentIsNotInsideTempalte ()
{
var platform = new UnitPlatform ();
var contentView = new ContentView ();
var child = new View ();
contentView.ControlTemplate = new ControlTemplate (typeof (SimpleTemplate));
contentView.Content = child;
contentView.Platform = platform;
Assert.AreEqual (contentView, child.Parent);
}
//Issue 1497
public void StarRowsShouldOccupyTheSpace ()
{
var platform = new UnitPlatform ();
var label = new Label {
Platform = platform,
IsPlatformEnabled = true,
};
var Button = new Button {
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.EndAndExpand,
Platform = platform,
IsPlatformEnabled = true,
};
var grid = new Grid {
RowDefinitions = new RowDefinitionCollection {
new RowDefinition { Height = GridLength.Auto },
new RowDefinition { Height = new GridLength (1, GridUnitType.Star) },
},
ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition {Width = new GridLength(1, GridUnitType.Star)},
},
Platform = platform,
IsPlatformEnabled = true,
};
grid.Children.Add (label);
grid.Children.Add (Button, 0, 1);
grid.Layout (new Rectangle (0, 0, 300, 300));
Assert.AreEqual (new Rectangle (0, 280, 300, 20), Button.Bounds);
}
public void TestInvalidSet ()
{
var platform = new UnitPlatform ();
var layout = new Grid ();
layout.Platform = platform;
var label1 = new Label {Platform = platform, IsPlatformEnabled = true};
bool thrown = false;
try {
layout.Children.Add (label1, 2, 1, 0, 1);
} catch (ArgumentOutOfRangeException) {
thrown = true;
}
Assert.True (thrown);
}
public void TestAutoLayoutWithSpans ()
{
var platform = new UnitPlatform ();
var layout = new Grid ();
layout.Platform = platform;
var label1 = new Label { Platform = platform, IsPlatformEnabled = true, WidthRequest = 150, Text = "label1" };
var label2 = new Label { Platform = platform, IsPlatformEnabled = true, HeightRequest = 50, Text = "label2" };
var label3 = new Label { Platform = platform, IsPlatformEnabled = true, Text = "label3" };
layout.ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition {Width = GridLength.Auto},
new ColumnDefinition {Width = GridLength.Auto},
new ColumnDefinition {Width = GridLength.Auto},
};
layout.RowDefinitions = new RowDefinitionCollection {
new RowDefinition {Height = GridLength.Auto},
new RowDefinition {Height = GridLength.Auto},
new RowDefinition {Height = GridLength.Auto},
};
layout.Children.Add (label1, 0, 2, 0, 1);
layout.Children.Add (label2, 2, 3, 0, 2);
layout.Children.Add (label3, 1, 2);
layout.Layout (new Rectangle (0, 0, 1002, 462));
Assert.AreEqual (1002, layout.Width);
Assert.AreEqual (462, layout.Height);
Assert.AreEqual (new Rectangle (0, 0, 150, 20), label1.Bounds);
Assert.AreEqual (new Rectangle (156, 0, 100, 50), label2.Bounds);
Assert.AreEqual (new Rectangle (50, 56, 100, 20), label3.Bounds);
}
public void TestSizeRequestWithPadding ()
{
var platform = new UnitPlatform ();
var layout = new Grid {Platform = platform, IsPlatformEnabled = true, Padding = new Thickness(20, 10, 15, 5)};
layout.Children.AddVertical (new[] {
new View {Platform = platform, IsPlatformEnabled = true},
new View {Platform = platform, IsPlatformEnabled = true},
new View {Platform = platform, IsPlatformEnabled = true}
});
var result = layout.GetSizeRequest (double.PositiveInfinity, double.PositiveInfinity).Request;
Assert.AreEqual (new Size (135, 87), result);
}
public void AutoLayoutWithComplexSpans ()
{
var platform = new UnitPlatform ();
var layout = new Grid ();
layout.Platform = platform;
var label1 = new Label {Platform = platform, IsPlatformEnabled = true};
var label2 = new Label {Platform = platform, IsPlatformEnabled = true};
var label3 = new Label {Platform = platform, IsPlatformEnabled = true};
var label4 = new Label {Platform = platform, IsPlatformEnabled = true, WidthRequest = 206};
var label5 = new Label {Platform = platform, IsPlatformEnabled = true, WidthRequest = 312};
var label6 = new Label {Platform = platform, IsPlatformEnabled = true, WidthRequest = 312};
layout.ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition {Width = GridLength.Auto},
new ColumnDefinition {Width = GridLength.Auto},
new ColumnDefinition {Width = GridLength.Auto},
new ColumnDefinition {Width = GridLength.Auto},
new ColumnDefinition {Width = GridLength.Auto},
};
layout.Children.Add (label1, 0, 0);
layout.Children.Add (label2, 1, 0);
layout.Children.Add (label3, 4, 0);
layout.Children.Add (label4, 2, 4, 0, 1);
layout.Children.Add (label5, 0, 3, 0, 1);
layout.Children.Add (label6, 2, 6, 0, 1);
layout.Layout (new Rectangle (0, 0, 1000, 500));
Assert.AreEqual (100, layout.ColumnDefinitions [0].ActualWidth);
Assert.AreEqual (100, layout.ColumnDefinitions [1].ActualWidth);
Assert.AreEqual (100, layout.ColumnDefinitions [2].ActualWidth);
Assert.AreEqual (100, layout.ColumnDefinitions [3].ActualWidth);
Assert.AreEqual (100, layout.ColumnDefinitions [4].ActualWidth);
}
public void NonTemplatedContentInheritsBindingContext ()
{
var platform = new UnitPlatform ();
var contentView = new ContentView ();
var child = new View ();
contentView.Content = child;
contentView.Platform = platform;
contentView.BindingContext = "Foo";
Assert.AreEqual ("Foo", child.BindingContext);
}
public void IgnoresInvisibleChildren ()
{
var platform = new UnitPlatform ();
var layout = new Grid {Platform = platform};
var label1 = new Label { Platform = platform, IsVisible = false, IsPlatformEnabled = true, VerticalOptions = LayoutOptions.FillAndExpand };
var label2 = new Label { Platform = platform, IsPlatformEnabled = true};
layout.Children.AddVertical (label1);
layout.Children.AddVertical (label2);
layout.ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition { Width = GridLength.Auto },
};
layout.RowDefinitions = new RowDefinitionCollection {
new RowDefinition { Height = GridLength.Auto},
new RowDefinition { Height = GridLength.Auto},
};
layout.Layout (new Rectangle (0, 0, 1000, 1000));
Assert.AreEqual (1000, layout.Width);
Assert.AreEqual (1000, layout.Height);
Assert.AreEqual (new Rectangle (0, 0, -1, -1), label1.Bounds);
Assert.AreEqual (new Rectangle (0, 6, 100, 20), label2.Bounds);
}
public void AutoLayoutExpandColumns ()
{
var platform = new UnitPlatform ();
var layout = new Grid ();
layout.Platform = platform;
var label1 = new Label {Platform = platform, IsPlatformEnabled = true};
var label2 = new Label {Platform = platform, IsPlatformEnabled = true};
var label3 = new Label {Platform = platform, IsPlatformEnabled = true, WidthRequest = 300};
layout.ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition { Width = GridLength.Auto },
new ColumnDefinition { Width = GridLength.Auto },
};
layout.Children.Add (label1, 0, 0);
layout.Children.Add (label2, 1, 0);
layout.Children.Add (label3, 0, 2, 0, 1);
layout.Layout (new Rectangle (0, 0, 1000, 500));
Assert.AreEqual (100, layout.ColumnDefinitions [0].ActualWidth);
Assert.AreEqual (194, layout.ColumnDefinitions [1].ActualWidth);
}
public void TestAbsoluteLayoutWithSpans ()
{
var platform = new UnitPlatform ();
var layout = new Grid ();
layout.Platform = platform;
var label1 = new Label {Platform = platform, IsPlatformEnabled = true};
var label2 = new Label {Platform = platform, IsPlatformEnabled = true};
var label3 = new Label {Platform = platform, IsPlatformEnabled = true};
layout.ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition {Width = new GridLength (150)},
new ColumnDefinition {Width = new GridLength (150)},
new ColumnDefinition {Width = new GridLength (150)},
};
layout.RowDefinitions = new RowDefinitionCollection {
new RowDefinition {Height = new GridLength (30)},
new RowDefinition {Height = new GridLength (30)},
new RowDefinition {Height = new GridLength (30)},
};
layout.Children.Add (label1, 0, 2, 0, 1);
layout.Children.Add (label2, 2, 3, 0, 2);
layout.Children.Add (label3, 1, 2);
layout.Layout (new Rectangle (0, 0, 1000, 1000));
Assert.AreEqual (1000, layout.Width);
Assert.AreEqual (1000, layout.Height);
Assert.AreEqual (new Rectangle (0, 0, 306, 30), label1.Bounds);
Assert.AreEqual (new Rectangle (312, 0, 150, 66), label2.Bounds);
Assert.AreEqual (new Rectangle (156, 72, 150, 30), label3.Bounds);
}
public void TestStarLayoutWithSpans ()
{
var platform = new UnitPlatform ();
var layout = new Grid ();
layout.Platform = platform;
var label1 = new Label {Platform = platform, IsPlatformEnabled = true};
var label2 = new Label {Platform = platform, IsPlatformEnabled = true};
var label3 = new Label {Platform = platform, IsPlatformEnabled = true};
layout.ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition {Width = new GridLength (1, GridUnitType.Star)},
new ColumnDefinition {Width = new GridLength (1, GridUnitType.Star)},
new ColumnDefinition {Width = new GridLength (1, GridUnitType.Star)},
};
layout.RowDefinitions = new RowDefinitionCollection {
new RowDefinition {Height = new GridLength (1, GridUnitType.Star)},
new RowDefinition {Height = new GridLength (1, GridUnitType.Star)},
new RowDefinition {Height = new GridLength (1, GridUnitType.Star)},
};
layout.Children.Add (label1, 0, 2, 0, 1);
layout.Children.Add (label2, 2, 3, 0, 2);
layout.Children.Add (label3, 1, 2);
layout.Layout (new Rectangle (0, 0, 1002, 462));
Assert.AreEqual (1002, layout.Width);
Assert.AreEqual (462, layout.Height);
Assert.AreEqual (new Rectangle (0, 0, 666, 150), label1.Bounds);
Assert.AreEqual (new Rectangle (672, 0, 330, 306), label2.Bounds);
Assert.AreEqual (new Rectangle (336, 312, 330, 150), label3.Bounds);
}
//Issue 1384
public void ImageInStarCellIsProperlyConstrained ()
{
var platform = new UnitPlatform ();
var content = new Image {
Aspect= Aspect.AspectFit,
Platform = platform,
MinimumHeightRequest = 10,
MinimumWidthRequest = 50,
IsPlatformEnabled = true
};
var grid = new Grid {
Platform = platform,
IsPlatformEnabled = true,
BackgroundColor = Color.Red,
VerticalOptions=LayoutOptions.Start,
Children = {
content
}
};
var view = new ContentView {
Platform = platform,
IsPlatformEnabled = true,
Content = grid,
};
view.Layout (new Rectangle (0, 0, 100, 100));
Assert.AreEqual (100, grid.Width);
Assert.AreEqual (20, grid.Height);
view.Layout (new Rectangle (0, 0, 50, 50));
Assert.AreEqual (50, grid.Width);
Assert.AreEqual (10, grid.Height);
}
public void TestAutoLayout ()
{
var platform = new UnitPlatform ();
var layout = new Grid ();
layout.Platform = platform;
var label1 = new Label {Platform = platform, IsPlatformEnabled = true};
var label2 = new Label {Platform = platform, IsPlatformEnabled = true};
var label3 = new Label {Platform = platform, IsPlatformEnabled = true};
layout.ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition {Width = GridLength.Auto},
new ColumnDefinition {Width = GridLength.Auto},
new ColumnDefinition {Width = GridLength.Auto},
};
layout.RowDefinitions = new RowDefinitionCollection {
new RowDefinition {Height = GridLength.Auto},
new RowDefinition {Height = GridLength.Auto},
new RowDefinition {Height = GridLength.Auto},
};
layout.Children.Add (label1, 0, 0);
layout.Children.Add (label2, 1, 1);
layout.Children.Add (label3, 2, 2);
layout.Layout (new Rectangle (0, 0, 1000, 1000));
Assert.AreEqual (1000, layout.Width);
Assert.AreEqual (1000, layout.Height);
Assert.AreEqual (new Rectangle (0, 0, 100, 20), label1.Bounds);
Assert.AreEqual (new Rectangle (106, 26, 100, 20), label2.Bounds);
Assert.AreEqual (new Rectangle (212, 52, 100, 20), label3.Bounds);
}
public void ContentDoesGetBindingContext ()
{
var platform = new UnitPlatform ();
var contentView = new ContentView ();
var child = new View ();
contentView.ControlTemplate = new ControlTemplate (typeof (SimpleTemplate));
contentView.Content = child;
contentView.Platform = platform;
var bc = "Test";
contentView.BindingContext = bc;
Assert.AreEqual (bc, child.BindingContext);
}
