protected override async Task LoadContent()
{
await base.LoadContent();
var uiImage = new UIImage(Asset.Load<Texture>("BorderButton")) { Borders = new Vector4(64, 64, 64, 64) };
var bi1 = new ImageElement { Source = uiImage, Height = 150 };
var bi2 = new ImageElement { Source = uiImage, Height = 300 };
var bi3 = new ImageElement { Source = uiImage, Height = 500 };
stackPanel = new StackPanel { Orientation = Orientation.Vertical };
stackPanel.Children.Add(bi1);
stackPanel.Children.Add(bi2);
stackPanel.Children.Add(bi3);
UIComponent.RootElement = new ScrollViewer { Content = stackPanel, ScrollMode = ScrollingMode.HorizontalVertical };
}
protected override async Task LoadContent()
{
await base.LoadContent();
var image1 = new ImageElement
{
Source = new UIImage(Asset.Load<Texture>("BorderButtonCentered")) { Region = new Rectangle(256, 128, 512, 256), Borders = new Vector4(0.125f, 0.125f, 0.25f, 0.25f) },
VerticalAlignment = VerticalAlignment.Center,
HorizontalAlignment = HorizontalAlignment.Center
};
var image2 = new ImageElement
{
Source = new UIImage(Asset.Load<Texture>("uv")) { Region = new Rectangle(0, 0, 512, 512) },
VerticalAlignment = VerticalAlignment.Center,
HorizontalAlignment = HorizontalAlignment.Center
};
var image3 = new ImageElement
{
Source = new UIImage(Asset.Load<Texture>("uv")) { Region = new Rectangle(512, 0, 512, 512) },
VerticalAlignment = VerticalAlignment.Center,
HorizontalAlignment = HorizontalAlignment.Center
};
var image4 = new ImageElement
{
Source = new UIImage(Asset.Load<Texture>("uv")) { Region = new Rectangle(0, 512, 512, 512) },
VerticalAlignment = VerticalAlignment.Center,
HorizontalAlignment = HorizontalAlignment.Center
};
var image5 = new ImageElement
{
Source = new UIImage(Asset.Load<Texture>("uv")) { Region = new Rectangle(512, 512, 512, 512) },
VerticalAlignment = VerticalAlignment.Center,
HorizontalAlignment = HorizontalAlignment.Center
};
stackPanel = new StackPanel { Orientation = Orientation.Vertical };
stackPanel.Children.Add(image1);
stackPanel.Children.Add(image2);
stackPanel.Children.Add(image3);
stackPanel.Children.Add(image4);
stackPanel.Children.Add(image5);
UIComponent.RootElement = new ScrollViewer { Content = stackPanel };
}
protected override async Task LoadContent()
{
await base.LoadContent();
// build the randomStackPanel elements
randomStackPanel = new StackPanel { Orientation = Orientation.Vertical };
for (int i = 0; i < 30; i++)
randomStackPanel.Children.Add(CreateButton(0, i, 50, 1200, true));
// build the randomStackPanel elements
virtualizedStackPanel = new StackPanel { Orientation = Orientation.Vertical, ItemVirtualizationEnabled = true };
for (int i = 0; i < 30; i++)
virtualizedStackPanel.Children.Add(CreateButton(0, i, 75, 1200));
// build the uniform grid
uniformGrid = new UniformGrid { Columns = 15, Rows = 20 };
for (int c = 0; c < uniformGrid.Columns; ++c)
{
for (int r = 0; r < uniformGrid.Rows; ++r)
uniformGrid.Children.Add(CreateButton(c,r, 175, 300));
}
// build the grid
const int gridColumns = 10;
const int gridRows = 10;
grid = new Grid();
grid.LayerDefinitions.Add(new StripDefinition(StripType.Auto));
for (int i = 0; i < gridColumns; i++)
grid.ColumnDefinitions.Add(new StripDefinition(StripType.Auto));
for (int i = 0; i < gridRows; i++)
grid.RowDefinitions.Add(new StripDefinition(StripType.Auto));
for (int c = 0; c < gridColumns; ++c)
{
for (int r = 0; r < gridRows; ++r)
grid.Children.Add(CreateButton(c, r, 50 + r * 30, 100 + c * 40));
}
// build the scroll viewer
scrollViewer = new TestScrollViewer { Name = "sv", Content = randomStackPanel, ScrollMode = ScrollingMode.HorizontalVertical, SnapToAnchors = true };
// set the scroll viewer as the root
UIComponent.RootElement = scrollViewer;
}
protected override async Task LoadContent()
{
await base.LoadContent();
var uiImages = Asset.Load<UIImageGroup>("UIImages");
var img1 = new ImageElement { Name = "UV 1 stack panel", Source = new UIImage(Asset.Load<Texture>("uv")) };
var img2 = new ImageElement { Name = "UV 2 stack panel", Source = new UIImage(Asset.Load<Texture>("uv")) };
img3 = new ImageElement { Name = "UV 3 stack panel", Source = new UIImage(Asset.Load<Texture>("uv")) };
stackPanel = new StackPanel { Orientation = Orientation.Vertical };
stackPanel.Children.Add(img1);
stackPanel.Children.Add(img2);
stackPanel.Children.Add(img3);
var img4 = new ImageElement { Name = "UV grid", Source = new UIImage(Asset.Load<Texture>("uv")) };
var img5 = new ImageElement { Name = "UV grid 2", Source = new UIImage(Asset.Load<Texture>("uv")) };
var img6 = new ImageElement { Name = "Game screen grid", Source = uiImages["GameScreen"] };
img4.DependencyProperties.Set(GridBase.ColumnPropertyKey, 0);
img4.DependencyProperties.Set(GridBase.RowPropertyKey, 0);
img5.DependencyProperties.Set(GridBase.ColumnPropertyKey, 1);
img5.DependencyProperties.Set(GridBase.RowPropertyKey, 0);
img6.DependencyProperties.Set(GridBase.ColumnPropertyKey, 0);
img6.DependencyProperties.Set(GridBase.RowPropertyKey, 1);
img6.DependencyProperties.Set(GridBase.ColumnSpanPropertyKey, 2);
grid = new UniformGrid { Columns = 2, Rows = 2 };
grid.Children.Add(img4);
grid.Children.Add(img5);
grid.Children.Add(img6);
scrollViewer = new ScrollViewer { Content = grid, ScrollMode = ScrollingMode.HorizontalVertical};
contentDecorator = new ContentDecorator { Content = scrollViewer };
UIComponent.RootElement = contentDecorator;
}
protected override async Task LoadContent()
{
await base.LoadContent();
var background = new Entity { new BackgroundComponent { Texture = Asset.Load<Texture>("ParadoxBackground") } };
Scene.AddChild(background);
button1 = new Button { Content = new TextBlock { Text = "text block button 1", Font = Asset.Load<SpriteFont>("CourierNew12"), SynchronousCharacterGeneration = true } };
button1.SetCanvasRelativePosition(new Vector3(0.025f, 0.05f, 0f));
edit1 = new EditText(Services) { Text = "Edit text 1", Font = Asset.Load<SpriteFont>("CourierNew12"), SynchronousCharacterGeneration = true, };
edit1.SetCanvasRelativePosition(new Vector3(0.025f, 0.15f, 0f));
button2 = new Button { Content = new TextBlock { Text = "text block button 2", Font = Asset.Load<SpriteFont>("MicrosoftSansSerif15"), SynchronousCharacterGeneration = true } };
edit2 = new EditText(Services) { Text = "Edit text 2", Font = Asset.Load<SpriteFont>("MicrosoftSansSerif15"), };
stackPanel = new StackPanel
{
Children = { button2, edit2 },
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
Orientation = Orientation.Horizontal
};
stackPanel.SetCanvasRelativePosition(new Vector3(0.5f, 0.5f, 0f));
stackPanel.SetCanvasPinOrigin(new Vector3(.5f));
canvas = new Canvas { Children = {button1, edit1, stackPanel}, CanBeHitByUser = true };
button1.MouseOverStateChanged += (sender, args) => { triggeredButton1 = true; oldValueButton1 = args.OldValue; newValueButton1 = args.NewValue;};
button2.MouseOverStateChanged += (sender, args) => { triggeredButton2 = true;};
edit1.MouseOverStateChanged += (sender, args) => { triggeredEdit1 = true;};
edit2.MouseOverStateChanged += (sender, args) => { triggeredEdit2 = true;};
canvas.MouseOverStateChanged += (sender, args) => { triggeredCanvas = true;};
stackPanel.MouseOverStateChanged += (sender, args) => { triggeredStackPanel = true;};
UIComponent.RootElement = canvas;
}
public void TestOffset()
{
var stackSize = new Vector3(100, 200, 300);
var childSize1 = new Vector3(50, 150, 250);
var childSize2 = new Vector3(150, 250, 350);
var childSize3 = new Vector3(250, 250, 350);
var childSize4 = new Vector3(350, 250, 350);
var stackPanel = new StackPanel { Size = stackSize, Orientation = Orientation.Horizontal };
Assert.AreEqual(Vector3.Zero, stackPanel.Offset);
var child1 = new StackPanel { Size = childSize1 };
var child2 = new StackPanel { Size = childSize2 };
var child3 = new StackPanel { Size = childSize3 };
var child4 = new StackPanel { Size = childSize4 };
stackPanel.Children.Add(child1);
stackPanel.Children.Add(child2);
stackPanel.Children.Add(child3);
stackPanel.Children.Add(child4);
var refenceOffset = Vector3.Zero;
// non virtualized children
stackPanel.ScrolllToElement(1);
stackPanel.Arrange(Vector3.Zero, false);
refenceOffset[0] -= childSize1.X;
Assert.AreEqual(refenceOffset, stackPanel.Offset);
stackPanel.ScrolllToElement(2.5f);
stackPanel.Arrange(Vector3.Zero, false);
refenceOffset[0] -= childSize2.X + childSize3.X / 2;
Assert.AreEqual(refenceOffset, stackPanel.Offset);
stackPanel.ScrollToEnd(Orientation.Horizontal);
stackPanel.Arrange(Vector3.Zero, false);
refenceOffset[0] = -childSize1.X - childSize2.X - childSize3.X - childSize4.X + stackPanel.Size.X;
Assert.IsTrue((refenceOffset-stackPanel.Offset).Length() < 0.001);
// virtualized children
refenceOffset[0] = 0;
stackPanel.ScrolllToElement(0);
stackPanel.ItemVirtualizationEnabled = true;
stackPanel.Arrange(Vector3.Zero, false);
Assert.AreEqual(refenceOffset, stackPanel.Offset);
refenceOffset[0] = 0;
stackPanel.ScrolllToElement(1);
stackPanel.Arrange(Vector3.Zero, false);
Assert.AreEqual(refenceOffset, stackPanel.Offset);
refenceOffset[0] = -childSize3.X / 2;
stackPanel.ScrolllToElement(2.5f);
stackPanel.Arrange(Vector3.Zero, false);
Assert.AreEqual(refenceOffset, stackPanel.Offset);
stackPanel.ScrollToEnd(Orientation.Horizontal);
stackPanel.Arrange(Vector3.Zero, false);
refenceOffset[0] = -childSize4.X + stackPanel.Size.X;
Assert.IsTrue((refenceOffset-stackPanel.Offset).Length() < 0.001);
}
private static void TestScrollPosition(bool virtualizeChildren)
{
var stackSize = new Vector3(100, 200, 300);
var childSize1 = new Vector3(50, 150, 250);
var childSize2 = new Vector3(150, 250, 350);
var childSize3 = new Vector3(250, 250, 350);
var childSize4 = new Vector3(350, 250, 350);
var stackPanel = new StackPanel { Size = stackSize, Orientation = Orientation.Horizontal, ItemVirtualizationEnabled = virtualizeChildren};
Assert.AreEqual(0f, stackPanel.ScrollPosition);
var child1 = new StackPanel { Size = childSize1 };
var child2 = new StackPanel { Size = childSize2 };
var child3 = new StackPanel { Size = childSize3 };
var child4 = new StackPanel { Size = childSize4 };
stackPanel.Children.Add(child1);
stackPanel.Children.Add(child2);
stackPanel.Children.Add(child3);
stackPanel.Children.Add(child4);
float referencePosition = 0;
stackPanel.ScrolllToElement(referencePosition);
stackPanel.Arrange(Vector3.Zero, false);
Assert.AreEqual(referencePosition, stackPanel.ScrollPosition);
referencePosition = 1;
stackPanel.ScrolllToElement(referencePosition);
stackPanel.Arrange(Vector3.Zero, false);
Assert.AreEqual(referencePosition, stackPanel.ScrollPosition);
referencePosition = 2;
stackPanel.ScrolllToElement(referencePosition);
stackPanel.Arrange(Vector3.Zero, false);
Assert.AreEqual(referencePosition, stackPanel.ScrollPosition);
referencePosition = 2.3f;
stackPanel.ScrolllToElement(referencePosition);
stackPanel.Arrange(Vector3.Zero, false);
Assert.AreEqual(referencePosition, stackPanel.ScrollPosition);
stackPanel.ScrollToEnd(Orientation.Horizontal);
referencePosition = 3 + (childSize4.X - stackSize.X) / childSize4.X;
stackPanel.Arrange(Vector3.Zero, false);
Assert.IsTrue(Math.Abs(referencePosition - stackPanel.ScrollPosition) < MathUtil.ZeroTolerance);
}
public void TestBasicInvalidations()
{
var panel = new StackPanel();
var child = new StackPanel();
panel.Children.Add(child);
// - test the properties that are not supposed to invalidate the object layout state
UIElementLayeringTests.TestNoInvalidation(panel, () => child.DependencyProperties.Set(ZIndexPropertyKey, 37));
}
private void CreateShipSelectionPopup()
{
// Create "Please select your SpaceShip" text
var pleaseSelectText = new TextBlock
{
Font = westernFont,
TextSize = 48,
TextColor = Color.White,
Text = "Please select your ship",
TextAlignment = TextAlignment.Center,
WrapText = true
};
// Layout elements in vertical StackPanel
var contentStackpanel = new StackPanel { Orientation = Orientation.Vertical };
// Create and Add SpaceShip to the stack layout
foreach (var ship in shipList)
contentStackpanel.Children.Add(CreateShipButtonElement(ship));
// Uncomment those lines to have an example of stack panel item virtualization
//var shipInitialCount = shipList.Count;
//contentStackpanel.ItemVirtualizationEnabled = true;
//for (int i = 0; i < 200; i++)
//{
// shipList.Add(new SpaceShip { Name = shipList[i % shipInitialCount].Name });
// contentStackpanel.Children.Add(CreateShipButtonElement(shipList[shipList.Count - 1]));
//}
UpdateShipStatus();
var contentScrollView = new ScrollViewer
{
MaximumHeight = 425,
Content = contentStackpanel,
ScrollMode = ScrollingMode.Vertical,
Margin = new Thickness(12, 10, 7, 10),
Padding = new Thickness(0, 0, 6, 0),
ScrollBarColor = Color.Orange
};
var scrollViewerBackgroundImage = mainScreneImages["scroll_background"];
var scrollViewerDecorator = new ContentDecorator { BackgroundImage = scrollViewerBackgroundImage, Content = contentScrollView, };
scrollViewerDecorator.SetGridRow(2);
var layoutGrid = new Grid();
layoutGrid.ColumnDefinitions.Add(new StripDefinition());
layoutGrid.RowDefinitions.Add(new StripDefinition(StripType.Auto));
layoutGrid.RowDefinitions.Add(new StripDefinition(StripType.Fixed, 10)); // white space
layoutGrid.RowDefinitions.Add(new StripDefinition(StripType.Star));
layoutGrid.LayerDefinitions.Add(new StripDefinition());
layoutGrid.Children.Add(pleaseSelectText);
layoutGrid.Children.Add(scrollViewerDecorator);
var shipSelectPopupContent = new ContentDecorator
{
BackgroundImage = popupWindowImage,
Content = layoutGrid,
Padding = new Thickness(110, 120, 100, 140)
};
// Create SpaceShip selection popup
shipSelectPopup = new ModalElement
{
Visibility = Visibility.Collapsed,
Content = shipSelectPopupContent
};
shipSelectPopup.SetPanelZIndex(1);
}
private UIElement CreateMainScreneTopBar()
{
// Create Life bar
lifeBarGaugeImage = mainScreneImages["life_bar"];
var lifeBarCoverImage = mainScreneImages["character_frame"];
gaugeBarRegion = lifeBarGaugeImage.Region;
var lifebarGauge = new ImageElement
{
Name = "LifeBarBackground",
Source = lifeBarGaugeImage,
StretchType = StretchType.Fill,
};
lifebarGauge.SetGridColumn(1);
lifeBarGrid = new Grid();
lifeBarGrid.Children.Add(lifebarGauge);
lifeBarGrid.ColumnDefinitions.Add(new StripDefinition(StripType.Fixed, lifeBarCoverImage.Borders.X));
lifeBarGrid.ColumnDefinitions.Add(new StripDefinition(StripType.Star, 0));
lifeBarGrid.ColumnDefinitions.Add(new StripDefinition(StripType.Star, 100));
lifeBarGrid.ColumnDefinitions.Add(new StripDefinition(StripType.Fixed, lifeBarCoverImage.Borders.Y));
lifeBarGrid.RowDefinitions.Add(new StripDefinition());
lifeBarGrid.LayerDefinitions.Add(new StripDefinition());
lifeBarGrid.SetCanvasRelativePosition(new Vector3(0f, 0.185f, 0f));
lifeBarGrid.SetCanvasRelativeSize(new Vector3(1f, 0.25f, 1f));
lifeBarGrid.SetPanelZIndex(-1);
var lifebarForeground = new ImageElement
{
Name = "LifeBarForeGround",
Source = lifeBarCoverImage,
StretchType = StretchType.Fill,
};
lifebarForeground.SetGridColumnSpan(3);
lifebarForeground.SetGridRowSpan(3);
lifebarForeground.SetCanvasRelativeSize(new Vector3(1f, 1f, 1f));
// Life count
lifeCounter = new TextBlock
{
Text = CreateLifeCountText(),
TextColor = Color.Gold,
Font = westernFont,
TextSize = 32,
HorizontalAlignment = HorizontalAlignment.Left
};
lifeCounter.SetCanvasAbsolutePosition(new Vector3(lifeBarCoverImage.Borders.X, float.NaN, float.NaN));
lifeCounter.SetCanvasRelativePosition(new Vector3(float.NaN, 0.44f, 0f));
lifeCounter.SetPanelZIndex(1);
LifeStatus = 3;
// Bonus items
var bonusIcon = new ImageElement
{
Source = mainScreneImages["gold_icon"],
Name = "bonus Icon",
VerticalAlignment = VerticalAlignment.Center
};
bonusCounter = new TextBlock
{
Text = CreateBonusCountText(),
TextColor = Color.White,
TextSize = 27,
Font = westernFont,
VerticalAlignment = VerticalAlignment.Center,
Margin = new Thickness(10, 0, 0, 0)
};
// Money
var moneyIcon = new ImageElement
{
Source = mainScreneImages["money_icon"],
Name = "money Icon",
Margin = new Thickness(20, 0, 0, 0),
VerticalAlignment = VerticalAlignment.Center
};
moneyCounter = new TextBlock
{
Text = CreateMoneyCountText(),
TextColor = Color.White,
TextSize = 27,
Font = westernFont,
VerticalAlignment = VerticalAlignment.Center,
Margin = new Thickness(10, 0, 0, 0)
};
// Stack panel containing the bonus and money counters
var moneyBonusStackPanel = new StackPanel
{
Name = "MoneyBonusStackPanel",
Orientation = Orientation.Horizontal,
};
moneyBonusStackPanel.Children.Add(bonusIcon);
moneyBonusStackPanel.Children.Add(bonusCounter);
moneyBonusStackPanel.Children.Add(moneyIcon);
moneyBonusStackPanel.Children.Add(moneyCounter);
moneyBonusStackPanel.SetCanvasRelativePosition(new Vector3(0.93f, 0.44f, 0f));
moneyBonusStackPanel.SetCanvasRelativeSize(new Vector3(float.NaN, 0.4f, 1f));
moneyBonusStackPanel.SetCanvasPinOrigin(new Vector3(1f, 0f, 0f));
moneyBonusStackPanel.SetPanelZIndex(1);
// the main grid of the top bar
var mainLayer = new Canvas
{
VerticalAlignment = VerticalAlignment.Top,
MaximumHeight = 150
};
mainLayer.Children.Add(lifeBarGrid);
mainLayer.Children.Add(lifebarForeground);
mainLayer.Children.Add(lifeCounter);
mainLayer.Children.Add(moneyBonusStackPanel);
return mainLayer;
}
private void SetCurrentContent(StackPanel newContent)
{
currentStackPanel = newContent;
scrollViewer.Content = currentStackPanel;
}
private static void TestScrollBarPosition(bool virtualizeChildren)
{
var stackSize = new Vector3(100, 200, 300);
var childSize1 = new Vector3(50, 150, 250);
var childSize2 = new Vector3(150, 250, 350);
var childSize3 = new Vector3(250, 250, 350);
var stackPanel = new StackPanel { Size = stackSize, ItemVirtualizationEnabled = virtualizeChildren, Orientation = Orientation.Horizontal };
Assert.AreEqual(Vector3.Zero, stackPanel.ScrollBarPositions);
var child1 = new StackPanel { Size = childSize1 };
var child2 = new StackPanel { Size = childSize2 };
var child3 = new StackPanel { Size = childSize3 };
stackPanel.Children.Add(child1);
stackPanel.Children.Add(child2);
stackPanel.Children.Add(child3);
var reference = Vector3.Zero;
stackPanel.ScrollToBeginning(Orientation.Horizontal);
stackPanel.Arrange(Vector3.Zero, false);
Assert.AreEqual(reference, stackPanel.ScrollBarPositions);
reference[0] = 1;
stackPanel.ScrollToEnd(Orientation.Horizontal);
stackPanel.Arrange(Vector3.Zero, false);
Assert.AreEqual(reference, stackPanel.ScrollBarPositions);
stackPanel.ScrolllToElement(1);
stackPanel.Arrange(Vector3.Zero, false);
if (virtualizeChildren)
{
reference[0] = 1 / (2 + (childSize3.X - stackPanel.Size.X) / childSize3.X);
}
else
{
reference[0] = childSize1.X / (childSize1.X + childSize2.X + childSize3.X - stackPanel.Size.X);
}
Assert.AreEqual(reference, stackPanel.ScrollBarPositions);
}
private void AssertCanScroll(StackPanel stackPanel)
{
for (int i = 0; i < 3; i++)
Assert.AreEqual(i==(int)stackPanel.Orientation, stackPanel.CanScroll((Orientation)i));
}
protected override async Task LoadContent()
{
await base.LoadContent();
var resolution = (Vector3)UIComponent.VirtualResolution;
var canvas = new Canvas();
var imgElt = new ImageElement { Name = "UV image", Source = new Sprite(Asset.Load<Texture>("uv")), Width = resolution.X / 5, Height = resolution.Y / 5, StretchType = StretchType.Fill };
imgElt.DependencyProperties.Set(Canvas.PinOriginPropertyKey, 0.5f * Vector3.One);
imgElt.DependencyProperties.Set(Canvas.AbsolutePositionPropertyKey, new Vector3(resolution.X / 10, resolution.Y / 10, 0));
imgElt.DependencyProperties.Set(Panel.ZIndexPropertyKey, -1);
stackPanel = new StackPanel { Orientation = Orientation.Vertical };
scrollViewer = new ScrollViewer { ScrollMode = ScrollingMode.Vertical };
scrollViewer.DependencyProperties.Set(Canvas.AbsolutePositionPropertyKey, new Vector3(resolution.X / 4, resolution.Y / 10, 0));
scrollViewer.Content = stackPanel;
var button1 = new Button { Margin = Thickness.UniformRectangle(5), Padding = Thickness.UniformRectangle(5), LocalMatrix = Matrix.Scaling(2, 2, 2) };
var textOnly = new TextBlock { Text = "Text only button", Font = Asset.Load<SpriteFont>("MicrosoftSansSerif15"), TextColor = new Color(1f, 0, 0, 0.5f) };
button1.Content = textOnly;
var button2 = new Button { Name = "Button2", Margin = Thickness.UniformRectangle(5), Padding = Thickness.UniformRectangle(5) };
var imageContent = new ImageElement { Name = "Image Button2", Source = new Sprite(Asset.Load<Texture>("uv")), StretchType = StretchType.FillOnStretch, MaximumHeight = 50 };
button2.Content = imageContent;
var button3 = new Button { Margin = Thickness.UniformRectangle(5), Padding = Thickness.UniformRectangle(5) };
var stackContent = new StackPanel { Orientation = Orientation.Horizontal };
var stackImage = new ImageElement { Name = "Image stack panel", Source = new Sprite(Asset.Load<Texture>("uv")), MaximumHeight = 50 };
var stackText = new TextBlock { Text = "button text", Font = Asset.Load<SpriteFont>("MicrosoftSansSerif15"), Margin = Thickness.UniformRectangle(5) };
stackContent.Children.Add(stackImage);
stackContent.Children.Add(stackText);
button3.Content = stackContent;
var button4 = new Button { Margin = Thickness.UniformRectangle(5), HorizontalAlignment = HorizontalAlignment.Right, Padding = Thickness.UniformRectangle(5) };
var imageContent2 = new ImageElement { Name = "button 4 uv image", Source = new Sprite(Asset.Load<Texture>("uv")), StretchType = StretchType.FillOnStretch, MaximumHeight = 40, Opacity = 0.5f };
button4.Content = imageContent2;
var button5 = new Button { Margin = Thickness.UniformRectangle(5), HorizontalAlignment = HorizontalAlignment.Left, Padding = Thickness.UniformRectangle(5) };
var textOnly2 = new TextBlock { Text = "Left aligned", Font = Asset.Load<SpriteFont>("MicrosoftSansSerif15") };
button5.Content = textOnly2;
var button6 = new ImageButton
{
Height = 50,
Margin = Thickness.UniformRectangle(5),
HorizontalAlignment = HorizontalAlignment.Center,
PressedImage = new Sprite(Asset.Load<Texture>("ImageButtonPressed")),
NotPressedImage = new Sprite(Asset.Load<Texture>("ImageButtonNotPressed")),
};
toggle = new ToggleButton
{
Content = new TextBlock { Text = "Toggle button test", Font = Asset.Load<SpriteFont>("MicrosoftSansSerif15") },
IsThreeState = true
};
scrollingText = new ScrollingText { Font = Asset.Load<SpriteFont>("MicrosoftSansSerif15"), Text = "<<<--- Scrolling text in a button ", IsEnabled = IsUpdateAutomatic };
var button7 = new Button { Margin = Thickness.UniformRectangle(5), Content = scrollingText };
var uniformGrid = new UniformGrid { Rows = 2, Columns = 2 };
var gridText = new TextBlock { Text = "Uniform grid", Font = Asset.Load<SpriteFont>("MicrosoftSansSerif15"), TextAlignment = TextAlignment.Center};
gridText.DependencyProperties.Set(GridBase.ColumnSpanPropertyKey, 2);
var buttonLeft = new Button { Content = new TextBlock { Text = "unif-grid left", Font = Asset.Load<SpriteFont>("MicrosoftSansSerif15"), TextAlignment = TextAlignment.Center } };
buttonLeft.DependencyProperties.Set(GridBase.RowPropertyKey, 1);
var buttonRight = new Button { Content = new TextBlock { Text = "unif-grid right", Font = Asset.Load<SpriteFont>("MicrosoftSansSerif15"), TextAlignment = TextAlignment.Center } };
buttonRight.DependencyProperties.Set(GridBase.RowPropertyKey, 1);
buttonRight.DependencyProperties.Set(GridBase.ColumnPropertyKey, 1);
uniformGrid.Children.Add(gridText);
uniformGrid.Children.Add(buttonLeft);
uniformGrid.Children.Add(buttonRight);
stackPanel.Children.Add(button1);
stackPanel.Children.Add(button2);
stackPanel.Children.Add(button3);
stackPanel.Children.Add(button4);
stackPanel.Children.Add(button5);
stackPanel.Children.Add(button6);
stackPanel.Children.Add(toggle);
stackPanel.Children.Add(button7);
stackPanel.Children.Add(uniformGrid);
canvas.Children.Add(imgElt);
canvas.Children.Add(scrollViewer);
UIComponent.RootElement = canvas;
}
public void TestSurroudingAnchor(bool virtualizeItems)
{
var stackSize = new Vector3(100, 200, 300);
var childSize1 = new Vector3(50, 150, 250);
var childSize2 = new Vector3(150, 250, 350);
var childSize3 = new Vector3(250, 250, 350);
var stackPanel = new StackPanel { Size = stackSize, ItemVirtualizationEnabled = virtualizeItems, Orientation = Orientation.Horizontal };
var child1 = new StackPanel { Size = childSize1 };
var child2 = new StackPanel { Size = childSize2 };
var child3 = new StackPanel { Size = childSize3 };
stackPanel.Children.Add(child1);
stackPanel.Children.Add(child2);
stackPanel.Children.Add(child3);
stackPanel.Arrange(Vector3.Zero, false);
// checks in the scrolling direction
stackPanel.ScrollToBeginning(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(new Vector2(0, 50), stackPanel.GetSurroudingAnchorDistances(Orientation.Horizontal, 0));
stackPanel.ScrolllToElement(0.5f);
Utilities.AssertAreNearlyEqual(new Vector2(-25, 25), stackPanel.GetSurroudingAnchorDistances(Orientation.Horizontal, 0));
stackPanel.ScrolllToElement(1f);
Utilities.AssertAreNearlyEqual(new Vector2(0, 150), stackPanel.GetSurroudingAnchorDistances(Orientation.Horizontal, 0));
stackPanel.ScrolllToElement(2 + 3/5f);
Utilities.AssertAreNearlyEqual(new Vector2(-150, 100), stackPanel.GetSurroudingAnchorDistances(Orientation.Horizontal, 0));
stackPanel.ScrollToEnd(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(new Vector2(-150, 100), stackPanel.GetSurroudingAnchorDistances(Orientation.Horizontal, 0));
// checks in other directions
Assert.AreEqual(new Vector2(0, 200), stackPanel.GetSurroudingAnchorDistances(Orientation.Vertical, -1));
Assert.AreEqual(new Vector2(-100, 100), stackPanel.GetSurroudingAnchorDistances(Orientation.Vertical, 100));
Assert.AreEqual(new Vector2(-200, 0), stackPanel.GetSurroudingAnchorDistances(Orientation.Vertical, 500));
Assert.AreEqual(new Vector2(0, 300), stackPanel.GetSurroudingAnchorDistances(Orientation.InDepth, -1));
Assert.AreEqual(new Vector2(-150, 150), stackPanel.GetSurroudingAnchorDistances(Orientation.InDepth, 150));
Assert.AreEqual(new Vector2(-300, 0), stackPanel.GetSurroudingAnchorDistances(Orientation.InDepth, 500));
}
public void TestItemVirtualizedMeasure()
{
var measureSize = new Vector3(100, 200, 300);
var stackPanel = new StackPanel { ItemVirtualizationEnabled = true, Orientation = Orientation.Vertical };
stackPanel.Children.Add(new UniformGrid { Width = 10, Height = 40 });
stackPanel.Children.Add(new UniformGrid { Width = 20, Height = 30 });
stackPanel.Children.Add(new UniformGrid { Width = 30, Height = 20 });
stackPanel.Measure(measureSize);
Assert.AreEqual(new Vector3(30, 90, 0), stackPanel.DesiredSizeWithMargins);
}
public void TestScrollOf(bool virtualizeItems)
{
var stackSize = new Vector3(100, 200, 300);
var childSize1 = new Vector3(50, 150, 250);
var childSize2 = new Vector3(150, 250, 350);
var childSize3 = new Vector3(250, 250, 350);
var stackPanel = new StackPanel
{
Size = stackSize,
ItemVirtualizationEnabled = virtualizeItems,
Orientation = Orientation.Horizontal,
LayoutingContext = new LayoutingContext()
};
var child1 = new StackPanel { Size = childSize1 };
var child2 = new StackPanel { Size = childSize2 };
var child3 = new StackPanel { Size = childSize3 };
stackPanel.Children.Add(child1);
stackPanel.Children.Add(child2);
stackPanel.Children.Add(child3);
stackPanel.Arrange(Vector3.Zero, false);
// pre-arranged
stackPanel.ScrollOf(childSize1);
Utilities.AssertAreNearlyEqual(1, stackPanel.ScrollPosition);
stackPanel.ScrollOf(childSize1);
Utilities.AssertAreNearlyEqual(1 + 1 / 3f, stackPanel.ScrollPosition);
// post arranged
stackPanel.InvalidateArrange();
stackPanel.ScrollOf(childSize1);
Utilities.AssertAreNearlyEqual(1 + 1 / 3f, stackPanel.ScrollPosition);
stackPanel.Arrange(Vector3.Zero, false);
Utilities.AssertAreNearlyEqual(1 + 2 / 3f, stackPanel.ScrollPosition);
stackPanel.InvalidateArrange();
stackPanel.ScrollOf(- 2 *childSize1);
Utilities.AssertAreNearlyEqual(1 + 2 / 3f, stackPanel.ScrollPosition);
stackPanel.Arrange(Vector3.Zero, false);
Utilities.AssertAreNearlyEqual(1, stackPanel.ScrollPosition);
}
public void TestScrollToExtrema(bool virtualizeItems)
{
var stackSize = new Vector3(100, 200, 300);
var childSize1 = new Vector3(50, 150, 250);
var childSize2 = new Vector3(150, 250, 350);
var childSize3 = new Vector3(250, 250, 350);
var stackPanel = new StackPanel { Size = stackSize, ItemVirtualizationEnabled = virtualizeItems, Orientation = Orientation.Horizontal };
var child1 = new StackPanel { Size = childSize1 };
var child2 = new StackPanel { Size = childSize2 };
var child3 = new StackPanel { Size = childSize3 };
stackPanel.Children.Add(child1);
stackPanel.Children.Add(child2);
stackPanel.Children.Add(child3);
stackPanel.Arrange(Vector3.Zero, false);
// pre-arranged
stackPanel.ScrollToEnd(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(2 + 3 / 5f, stackPanel.ScrollPosition);
stackPanel.ScrollToBeginning(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(0, stackPanel.ScrollPosition);
// post arranged
stackPanel.InvalidateArrange();
stackPanel.ScrollToEnd(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(0, stackPanel.ScrollPosition);
stackPanel.Arrange(Vector3.Zero, false);
Utilities.AssertAreNearlyEqual(2 + 3 / 5f, stackPanel.ScrollPosition);
stackPanel.InvalidateArrange();
stackPanel.ScrollToBeginning(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(2 + 3 / 5f, stackPanel.ScrollPosition);
stackPanel.Arrange(Vector3.Zero, false);
Utilities.AssertAreNearlyEqual(0, stackPanel.ScrollPosition);
}
public void TestScrollToNeighborScreen(bool virtualizeItems)
{
var stackSize = new Vector3(100, 200, 300);
var childSize1 = new Vector3(50, 150, 250);
var childSize2 = new Vector3(150, 250, 350);
var childSize3 = new Vector3(250, 250, 350);
var stackPanel = new StackPanel { Size = stackSize, ItemVirtualizationEnabled = virtualizeItems, Orientation = Orientation.Horizontal };
var child1 = new StackPanel { Size = childSize1 };
var child2 = new StackPanel { Size = childSize2 };
var child3 = new StackPanel { Size = childSize3 };
stackPanel.Children.Add(child1);
stackPanel.Children.Add(child2);
stackPanel.Children.Add(child3);
stackPanel.Arrange(Vector3.Zero, false);
// pre-arranged
stackPanel.ScrollToNextPage(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(1 + 1 / 3f, stackPanel.ScrollPosition);
stackPanel.ScrollToPreviousPage(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(0, stackPanel.ScrollPosition);
stackPanel.ScrolllToElement(1 + 2 / 3f);
stackPanel.ScrollToPreviousPage(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(1f, stackPanel.ScrollPosition);
stackPanel.ScrolllToElement(1 + 2 / 3f);
stackPanel.ScrollToNextPage(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(2.2f, stackPanel.ScrollPosition);
// reset scrolling
stackPanel.ScrollToBeginning(Orientation.Horizontal);
stackPanel.Arrange(Vector3.Zero, false);
// post arranged
stackPanel.InvalidateArrange();
stackPanel.ScrollToNextPage(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(0, stackPanel.ScrollPosition);
stackPanel.Arrange(Vector3.Zero, false);
Utilities.AssertAreNearlyEqual(1 + 1 / 3f, stackPanel.ScrollPosition);
stackPanel.InvalidateArrange();
stackPanel.ScrollToPreviousPage(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(1 + 1 / 3f, stackPanel.ScrollPosition);
stackPanel.Arrange(Vector3.Zero, false);
Utilities.AssertAreNearlyEqual(0, stackPanel.ScrollPosition);
stackPanel.ScrolllToElement(1 + 2 / 3f);
stackPanel.Arrange(Vector3.Zero, false);
stackPanel.InvalidateArrange();
stackPanel.ScrollToPreviousPage(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(1 + 2 / 3f, stackPanel.ScrollPosition);
stackPanel.Arrange(Vector3.Zero, false);
Utilities.AssertAreNearlyEqual(1, stackPanel.ScrollPosition);
stackPanel.ScrolllToElement(1 + 2 / 3f);
stackPanel.Arrange(Vector3.Zero, false);
stackPanel.InvalidateArrange();
stackPanel.ScrollToNextPage(Orientation.Horizontal);
Utilities.AssertAreNearlyEqual(1 + 2 / 3f, stackPanel.ScrollPosition);
stackPanel.Arrange(Vector3.Zero, false);
Utilities.AssertAreNearlyEqual(2.2f, stackPanel.ScrollPosition);
}
private void TestExtent(Orientation direction)
{
var stackSize = new Vector3(100, 200, 300);
var childSize1 = new Vector3(50, 150, 250);
var childSize2 = new Vector3(150, 250, 350);
var stackPanel = new StackPanel { Size = stackSize, Orientation = direction };
Assert.AreEqual(Vector3.Zero, stackPanel.Extent);
var child1 = new StackPanel { Size = childSize1 };
var child2 = new StackPanel { Size = childSize2 };
var child3 = new StackPanel { Size = childSize1 };
stackPanel.Children.Add(child1);
stackPanel.Children.Add(child2);
stackPanel.Children.Add(child3);
stackPanel.Arrange(Vector3.Zero, false);
var exactReferenceExtent = stackSize;
exactReferenceExtent[(int)direction] = 0;
foreach (var child in stackPanel.Children)
exactReferenceExtent[(int)direction] += child.Size[(int)direction];
Assert.AreEqual(exactReferenceExtent, stackPanel.Extent);
// with virtualized items.
stackPanel.ItemVirtualizationEnabled = true;
stackPanel.Arrange(Vector3.Zero, false);
var childCount = 0;
var approximatedSize = 0f;
var approximatedReferenceExtent = stackSize;
while (childCount < stackPanel.Children.Count-1 && approximatedSize < stackPanel.Size[(int)direction])
{
++childCount;
approximatedSize += stackPanel.Children[stackPanel.Children.Count - childCount].Size[(int)direction];
}
approximatedReferenceExtent[(int)direction] = stackPanel.Children.Count / (float)childCount * approximatedSize;
Assert.AreEqual(approximatedReferenceExtent, stackPanel.Extent);
}
private void CreateUI()
{
VirtualResolution = new Vector3(GraphicsDevice.BackBuffer.Width, GraphicsDevice.BackBuffer.Height, 1);
var font = Asset.Load<SpriteFont>("Font");
var canvas = new Canvas();
var stackPanel = new StackPanel
{
Orientation = Orientation.Vertical,
HorizontalAlignment = HorizontalAlignment.Left,
MinimumWidth = 200
};
var buttonLightDirect = CreateButton("direct", GetButtonTextOnOff("Direct light: ", directionalLight.Enabled), font, Thickness.UniformRectangle(5));
buttonLightDirect.Click += ToggleLight;
var buttonLightPoint = CreateButton("point", GetButtonTextOnOff("Point lights: ", pointLights[0].Enabled), font, Thickness.UniformRectangle(5));
buttonLightPoint.Click += ToggleLight;
var buttonLightSpot = CreateButton("spot", GetButtonTextOnOff("Spot light: ", spotLight.Enabled), font, Thickness.UniformRectangle(5));
buttonLightSpot.Click += ToggleLight;
buttonShadow = CreateButton("direct", GetButtonTextOnOff("Shadow: ", directionalLight.ShadowMap), font, new Thickness(20, 5, 5, 5));
buttonShadow.Opacity = directionalLight.Enabled ? 1.0f : 0.3f;
buttonShadow.CanBeHitByUser = directionalLight.Enabled;
buttonShadow.Click += ToggleShadowMap;
buttonSpotShadow = CreateButton("spot", GetButtonTextOnOff("Shadow: ", spotLight.ShadowMap), font, new Thickness(20, 5, 5, 5));
buttonSpotShadow.Opacity = spotLight.Enabled ? 1.0f : 0.3f;
buttonSpotShadow.CanBeHitByUser = spotLight.Enabled;
buttonSpotShadow.Click += ToggleShadowMap;
buttonLightRotate = CreateButton("rotate", GetButtonTextOnOff("Lights rotation: ", rotateLights), font, new Thickness(20, 5, 5, 5));
var enabled = pointLights.Count > 0 && pointLights[0].Enabled;
buttonLightRotate.Opacity = enabled ? 1.0f : 0.3f;
buttonLightRotate.CanBeHitByUser = enabled;
buttonLightRotate.Click += ToogleRotation;
stackPanel.Children.Add(buttonLightDirect);
stackPanel.Children.Add(buttonShadow);
stackPanel.Children.Add(buttonLightPoint);
stackPanel.Children.Add(buttonLightRotate);
stackPanel.Children.Add(buttonLightSpot);
stackPanel.Children.Add(buttonSpotShadow);
canvas.Children.Add(stackPanel);
UI.RootElement = canvas;
}
protected override async Task LoadContent()
{
await base.LoadContent();
var random = new Random(0);
var Sprites = Asset.Load<SpriteSheet>("UIImages");
var img1 = new ImageElement { Source = new Sprite(Asset.Load<Texture>("uv")) };
var img2 = new ImageElement { Source = Sprites["GameScreenLeft"] };
var img3 = new ImageElement { Source = Sprites["GameScreenRight"] };
stackPanel1 = new StackPanel { Orientation = Orientation.Vertical, ItemVirtualizationEnabled = true };
stackPanel1.Children.Add(img1);
stackPanel1.Children.Add(img2);
stackPanel1.Children.Add(img3);
stackPanel2 = new StackPanel { Orientation = Orientation.Vertical, ItemVirtualizationEnabled = true };
for (var i = 0; i < 1000; i++)
stackPanel2.Children.Add(new Button { Name = "" + i, Height = 75, Content = new TextBlock { Text = "button number " + i, Font = Asset.Load<SpriteFont>("MicrosoftSansSerif15") } });
stackPanel3 = new StackPanel { Orientation = Orientation.Vertical, ItemVirtualizationEnabled = true, VerticalAlignment = VerticalAlignment.Center };
for (var i = 0; i < 103; i++)
stackPanel3.Children.Add(new Button { Name = "" + i, Height = 50 + 500 * random.NextFloat(), Content = new TextBlock { Text = "random button number " + i, Font = Asset.Load<SpriteFont>("MicrosoftSansSerif15") } });
stackPanel4 = new StackPanel { Orientation = Orientation.Vertical, ItemVirtualizationEnabled = true };
for (var i = 0; i < 5; i++)
stackPanel4.Children.Add(new Button { Name = "" + i, Height = i * 30, Content = new TextBlock { Text = "random button number " + i, Font = Asset.Load<SpriteFont>("MicrosoftSansSerif15") } });
currentStackPanel = stackPanel1;
scrollViewer = new ScrollViewer { Name = "sv", Content = currentStackPanel, ScrollMode = ScrollingMode.Vertical };
UIComponent.RootElement = scrollViewer;
}
public void TestPropagateEvent()
{
// create a hierarchy of UIElements
// (00)
// |
// (10)
// / \
// (20) (21)
// | / \
// (30) (31) (32)
var element00 = new ContentControlTest();
var element10 = new StackPanel();
var element20 = new ContentControlTest();
var element21 = new StackPanel();
var element30 = new UIElementLayeringTests();
var element31 = new UIElementLayeringTests();
var element32 = new UIElementLayeringTests();
element00.Content = element10;
element10.Children.Add(element20);
element10.Children.Add(element21);
element20.Content = element30;
element21.Children.Add(element31);
element21.Children.Add(element32);
var elements = new List<UIElement> { element00, element10, element20, element21, element30, element31, element32 };
// create routed events
var tunnelingEvent = EventManager.RegisterRoutedEvent<RoutedEventArgs>("TestTuneling", RoutingStrategy.Tunnel, typeof(UIElementLayeringTests));
var bubblingEvent = EventManager.RegisterRoutedEvent<RoutedEventArgs>("TestBubbling", RoutingStrategy.Bubble, typeof(UIElementLayeringTests));
var directEvent = EventManager.RegisterRoutedEvent<RoutedEventArgs>("TestDirect", RoutingStrategy.Direct, typeof(UIElementLayeringTests));
// test propagation direction, propagation bounds and sender values
foreach (var uiElement in elements)
{
uiElement.AddHandler(tunnelingEvent, TestAddSenderToList);
uiElement.AddHandler(bubblingEvent, TestAddSenderToList);
uiElement.AddHandler(directEvent, TestAddSenderToList);
}
// tunneling test 1
senderList.Clear();
element20.RaiseEvent(new RoutedEventArgs(tunnelingEvent));
Assert.AreEqual(3, senderList.Count);
Assert.AreEqual(element00, senderList[0]);
Assert.AreEqual(element10, senderList[1]);
Assert.AreEqual(element20, senderList[2]);
// tunneling test 2
senderList.Clear();
element31.RaiseEvent(new RoutedEventArgs(tunnelingEvent));
Assert.AreEqual(4, senderList.Count);
Assert.AreEqual(element00, senderList[0]);
Assert.AreEqual(element10, senderList[1]);
Assert.AreEqual(element21, senderList[2]);
Assert.AreEqual(element31, senderList[3]);
// direct test
senderList.Clear();
element10.RaiseEvent(new RoutedEventArgs(directEvent));
Assert.AreEqual(1, senderList.Count);
Assert.AreEqual(element10, senderList[0]);
// tunneling test 1
senderList.Clear();
element30.RaiseEvent(new RoutedEventArgs(bubblingEvent));
Assert.AreEqual(4, senderList.Count);
Assert.AreEqual(element30, senderList[0]);
Assert.AreEqual(element20, senderList[1]);
Assert.AreEqual(element10, senderList[2]);
Assert.AreEqual(element00, senderList[3]);
// tunneling test 2
senderList.Clear();
element20.RaiseEvent(new RoutedEventArgs(bubblingEvent));
Assert.AreEqual(3, senderList.Count);
Assert.AreEqual(element20, senderList[0]);
Assert.AreEqual(element10, senderList[1]);
Assert.AreEqual(element00, senderList[2]);
// test with another type of handler
var eventMyTestHandler = EventManager.RegisterRoutedEvent<MyTestRoutedEventArgs>("TestMyTestHandler", RoutingStrategy.Direct, typeof(UIElementLayeringTests));
AddHandler(eventMyTestHandler, TestMyTestHandler);
RaiseEvent(new MyTestRoutedEventArgs(eventMyTestHandler));
Assert.AreEqual(true, testMyTestHandlerCalled);
// test Handled and EventHandledToo
foreach (var uiElement in elements)
{
uiElement.RemoveHandler(bubblingEvent, TestAddSenderToList);
uiElement.AddHandler(bubblingEvent, TestHandledHandler);
}
senderList.Clear();
element00.AddHandler(bubblingEvent, TestEventHandledHandler, true);
element32.RaiseEvent(new RoutedEventArgs(bubblingEvent));
Assert.AreEqual(1, senderList.Count);
Assert.AreEqual(element32, senderList[0]);
Assert.AreEqual(true, testEventHandledTooCalled);
// test class handlers basic working
foreach (var uiElement in elements)
uiElement.RemoveHandler(bubblingEvent, TestHandledHandler);
EventManager.RegisterClassHandler(typeof(ContentControl), bubblingEvent, TestAddSenderToClassHandlerList);
element30.RaiseEvent(new RoutedEventArgs(bubblingEvent));
Assert.AreEqual(2, classHandlerSenderList.Count);
Assert.AreEqual(element20, classHandlerSenderList[0]);
Assert.AreEqual(element00, classHandlerSenderList[1]);
// test that class handlers are called before instance handlers + test handledEventToo for class handlers
senderList.Clear();
classHandlerSenderList.Clear();
EventManager.RegisterClassHandler(typeof(ContentControl), bubblingEvent, TestClassHandlerHandled);
EventManager.RegisterClassHandler(typeof(StackPanel), bubblingEvent, TestClassHandlerEventHandled, true);
foreach (var uiElement in elements)
uiElement.AddHandler(bubblingEvent, TestAddSenderToList);
element20.RaiseEvent(new RoutedEventArgs(bubblingEvent));
Assert.AreEqual(1, classHandlerSenderList.Count);
Assert.AreEqual(element20, classHandlerSenderList[0]);
Assert.AreEqual(0, senderList.Count);
Assert.AreEqual(true, testClassHandlerEventHandledTooCalled);
}
public void TestCanScroll()
{
var stackPanel = new StackPanel();
stackPanel.Orientation = Orientation.Horizontal;
AssertCanScroll(stackPanel);
}
public void TestViewport(bool virtualizeChildren)
{
var random = new Random();
var childSize1 = new Vector3(50, 150, 250);
var childSize2 = new Vector3(150, 250, 350);
var childSize3 = new Vector3(250, 250, 350);
var childSize4 = new Vector3(350, 250, 350);
var stackPanel = new StackPanel { DepthAlignment = DepthAlignment.Stretch, ItemVirtualizationEnabled = virtualizeChildren };
Assert.AreEqual(Vector3.Zero, stackPanel.Viewport);
var child1 = new StackPanel { Size = childSize1 };
var child2 = new StackPanel { Size = childSize2 };
var child3 = new StackPanel { Size = childSize3 };
var child4 = new StackPanel { Size = childSize4 };
stackPanel.Children.Add(child1);
stackPanel.Children.Add(child2);
stackPanel.Children.Add(child3);
stackPanel.Children.Add(child4);
var referencePosition = Vector3.Zero;
stackPanel.Arrange(referencePosition, false);
Assert.AreEqual(referencePosition, stackPanel.Viewport);
referencePosition = random.NextVector3();
stackPanel.Arrange(referencePosition, false);
Assert.AreEqual(referencePosition, stackPanel.Viewport);
referencePosition = random.NextVector3();
stackPanel.ScrollToEnd(Orientation.Horizontal);
stackPanel.ScrollToEnd(Orientation.Vertical);
stackPanel.Children.Remove(child4);
stackPanel.Arrange(referencePosition, false);
Assert.AreEqual(referencePosition, stackPanel.Viewport);
var stackSize = new Vector3(100, 200, 300);
stackPanel.Size = stackSize;
stackPanel.Arrange(Vector3.Zero, false);
Assert.AreEqual(stackSize, stackPanel.Viewport);
}