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 TestSizeThatFits()
{
var platform = new UnitPlatform(useRealisticLabelMeasure: true);
var layout = new FlexLayout {
Direction = FlexDirection.Row,
AlignItems = FlexAlignItems.Start,
Platform = platform,
IsPlatformEnabled = true
};
var label1 = new Label {
Platform = platform,
IsPlatformEnabled = true,
LineBreakMode = LineBreakMode.TailTruncation,
Text = @"This is a very very very very very very very very long piece of text."
};
FlexLayout.SetShrink(label1, 1);
layout.Children.Add(label1);
var label2 = new Label {
Text = "",
Platform = platform,
IsPlatformEnabled = true,
WidthRequest = 10,
HeightRequest = 10
};
layout.Children.Add(label2);
layout.Layout(new Rectangle(0, 0, 320, 50));
var label2Size = label2.Measure(double.PositiveInfinity, double.PositiveInfinity);
Assert.AreEqual(10, label2Size.Request.Height);
Assert.AreEqual(10, label2Size.Request.Width);
var label1Size = label1.Measure(double.PositiveInfinity, double.PositiveInfinity);
// var layoutSize = layout.Measure(-1, -1);
}
public static TView Shrink <TView>(this TView view, float value) where TView : View
{
FlexLayout.SetShrink(view, value);
return(view);
}
public void TestAlignContentStretchRowWithFlexNoShrink()
{
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, 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.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.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(0f, view1.Width);
Assert.AreEqual(100f, view1.Height);
Assert.AreEqual(50f, view2.X);
Assert.AreEqual(0f, view2.Y);
Assert.AreEqual(50f, view2.Width);
Assert.AreEqual(100f, view2.Height);
Assert.AreEqual(100f, view3.X);
Assert.AreEqual(0f, view3.Y);
Assert.AreEqual(0f, view3.Width);
Assert.AreEqual(100f, view3.Height);
Assert.AreEqual(100f, view4.X);
Assert.AreEqual(0f, view4.Y);
Assert.AreEqual(50f, view4.Width);
Assert.AreEqual(100f, view4.Height);
}
public void TestAlignContentFlexStartWithFlex()
{
var platform = new UnitPlatform((visual, width, height) => new SizeRequest(new Size(0, 0)));
var layout = new FlexLayout {
Platform = platform,
IsPlatformEnabled = true,
WidthRequest = 100,
HeightRequest = 120,
Direction = FlexDirection.Column,
Wrap = FlexWrap.Wrap,
AlignItems = FlexAlignItems.Start,
};
var view0 = new View {
IsPlatformEnabled = true
};
FlexLayout.SetGrow(view0, 1);
FlexLayout.SetBasis(view0, 0);
view0.WidthRequest = 50;
layout.Children.Add(view0);
var view1 = new View {
IsPlatformEnabled = true
};
FlexLayout.SetGrow(view1, 1);
FlexLayout.SetBasis(view1, 0);
view1.WidthRequest = 50;
view1.HeightRequest = 10;
layout.Children.Add(view1);
var view2 = new View {
IsPlatformEnabled = true
};
view2.WidthRequest = 50;
layout.Children.Add(view2);
var view3 = new View {
IsPlatformEnabled = true
};
FlexLayout.SetGrow(view3, 1);
FlexLayout.SetShrink(view3, 1);
FlexLayout.SetBasis(view3, 0);
view3.WidthRequest = 50;
layout.Children.Add(view3);
var view4 = new View {
IsPlatformEnabled = true
};
view4.WidthRequest = 50;
layout.Children.Add(view4);
layout.Layout(new Rectangle(0, 0, 100, 120));
Assert.That(layout.Bounds, Is.EqualTo(new Rectangle(0, 0, 100, 120)));
Assert.That(view0.Bounds, Is.EqualTo(new Rectangle(0, 0, 50, 40)));
Assert.That(view1.Bounds, Is.EqualTo(new Rectangle(0, 40, 50, 40)));
Assert.That(view2.Bounds, Is.EqualTo(new Rectangle(0, 80, 50, 0)));
Assert.That(view3.Bounds, Is.EqualTo(new Rectangle(0, 80, 50, 40)));
Assert.That(view4.Bounds, Is.EqualTo(new Rectangle(0, 120, 50, 0)));
}
public static TView Shrink <TView>(this TView view, float value) where TView : View
{
VerifyExperimental();
FlexLayout.SetShrink(view, value);
return(view);
}
public void Shrink() => AssertExperimental(() =>
{
FlexLayout.SetShrink(Bindable, 1f);
Bindable.Shrink(0f);
Assert.That(FlexLayout.GetShrink(Bindable), Is.EqualTo(0f));
});
public void Shrink()
{
FlexLayout.SetShrink(Bindable, 1f);
Bindable.Shrink(0f);
Assert.That(FlexLayout.GetShrink(Bindable), Is.EqualTo(0f));
}