protected override void OnApplyTemplate()
{
base.OnApplyTemplate();
_canvas = GetTemplateChild <Canvas>(CanvasName);
_image = GetTemplateChild <Image>(ImageName);
// Add manipulation event handlers
_canvas.ManipulationMode =
ManipulationModes.Scale | ManipulationModes.ScaleInertia |
ManipulationModes.TranslateX | ManipulationModes.TranslateY | ManipulationModes.TranslateInertia;
_canvas.ManipulationStarting += OnManipulationStarting;
_canvas.ManipulationStarted += OnManipulationStarted;
_canvas.ManipulationDelta += OnManipulationDelta;
_canvas.ManipulationCompleted += OnManipulationCompleted;
_canvas.ManipulationInertiaStarting += OnManipulationInertiaStarting;
// CAUTION: this needs to not happen in design mode, as it causes a problem there
// Window.Current.CoreWindow.PointerWheelChanged += OnPointerWheelChanged;
FrameworkElementExtensions.SetCursor(this, new CoreCursor(CoreCursorType.Arrow, 0));
_canvas.PointerMoved += OnPointerMoved;
_cropLeft = _cropRight = _cropTop = _cropBottom = 50;
// Set image to a zero size until it's properly loaded
// This handily avoids some crashes, and some visual issues
SetWidthHeight(_image, 0, 0);
_isTemplateApplied = true;
Setup();
}
private void Page_Loaded(object sender, RoutedEventArgs e)
{
Thumb volSliderThumb = FrameworkElementExtensions.FindChildOfType <Thumb>(positionSlider);
if (volSliderThumb != null)
{
volSliderThumb.DragCompleted += VolSliderThumb_DragCompleted;
volSliderThumb.DragStarted += VolSliderThumb_DragStarted;
}
Window.Current.CoreWindow.PointerPressed += (ea, a) =>
{
if (positionSlider.GetBoundingRect().Contains(a.CurrentPoint.Position))
{
isPressed = true;
ShellVM.DontUpdatePosition = true;
}
};
Window.Current.CoreWindow.PointerReleased += (ea, a) =>
{
if (isPressed)
{
UpdatePosition(true); isPressed = false;
}
};
}
private Point SetCursorForPosition(Point position)
{
DragMode dragMode = CalculateDragMode(position);
CoreCursorType cursorType;
if (dragMode == DragMode.Full)
{
cursorType = CoreCursorType.Hand;
}
else if (dragMode == DragMode.TopLeft || dragMode == DragMode.BottomRight)
{
cursorType = CoreCursorType.SizeNorthwestSoutheast;
}
else if (dragMode == DragMode.TopRight || dragMode == DragMode.BottomLeft)
{
cursorType = CoreCursorType.SizeNortheastSouthwest;
}
else if (dragMode == DragMode.Top || dragMode == DragMode.Bottom)
{
cursorType = CoreCursorType.SizeNorthSouth;
}
else if (dragMode == DragMode.Left || dragMode == DragMode.Right)
{
cursorType = CoreCursorType.SizeWestEast;
}
else
{
cursorType = CoreCursorType.Arrow;
}
FrameworkElementExtensions.SetCursor(this, new CoreCursor(cursorType, (uint)cursorType));
return(position);
}
private void Page_Loaded(object sender, RoutedEventArgs e)
{
Thumb volSliderThumb = FrameworkElementExtensions.FindChildOfType <Thumb>(positionSlider);
volSliderThumb.DragCompleted += VolSliderThumb_DragCompleted;
volSliderThumb.DragStarted += VolSliderThumb_DragStarted;
Player.MediaStateChanged += Player_MediaStateChanged;
}
private void Page_Loaded(object sender, RoutedEventArgs e)
{
Thumb volSliderThumb = FrameworkElementExtensions.FindChildOfType <Thumb>(positionSlider);
if (volSliderThumb != null)
{
volSliderThumb.DragCompleted += VolSliderThumb_DragCompleted;
volSliderThumb.DragStarted += VolSliderThumb_DragStarted;
}
}
/// <inheritdoc/>
public override void OnApplyTemplate()
{
templateApplied = false;
base.OnApplyTemplate();
if (colorPickerRenderSurface != null)
{
colorPickerRenderSurface.MouseDown -= OnColorPickerRenderSurfaceMouseDown;
colorPickerRenderSurface.MouseUp -= OnColorPickerRenderSurfaceMouseUp;
colorPickerRenderSurface.MouseMove -= OnColorPickerRenderSurfaceMouseMove;
}
if (huePickerRenderSurface != null)
{
huePickerRenderSurface.MouseDown -= OnHuePickerRenderSurfaceMouseDown;
huePickerRenderSurface.MouseUp -= OnHuePickerRenderSurfaceMouseUp;
huePickerRenderSurface.MouseMove -= OnHuePickerRenderSurfaceMouseMove;
}
colorPickerRenderSurface = FrameworkElementExtensions.CheckTemplatePart <Rectangle>(GetTemplateChild("PART_ColorPickerRenderSurface"));
colorPreviewRenderSurface = FrameworkElementExtensions.CheckTemplatePart <Rectangle>(GetTemplateChild("PART_ColorPreviewRenderSurface"));
colorPickerSelector = FrameworkElementExtensions.CheckTemplatePart <Canvas>(GetTemplateChild("PART_ColorPickerSelector"));
huePickerSelector = FrameworkElementExtensions.CheckTemplatePart <Rectangle>(GetTemplateChild("PART_HuePickerSelector"));
huePickerRenderSurface = FrameworkElementExtensions.CheckTemplatePart <FrameworkElement>(GetTemplateChild("PART_HuePickerRenderSurface"));
if (colorPickerRenderSurface != null)
{
colorPickerRenderSurface.MouseDown += OnColorPickerRenderSurfaceMouseDown;
colorPickerRenderSurface.MouseUp += OnColorPickerRenderSurfaceMouseUp;
colorPickerRenderSurface.MouseMove += OnColorPickerRenderSurfaceMouseMove;
}
if (huePickerRenderSurface != null)
{
huePickerRenderSurface.MouseDown += OnHuePickerRenderSurfaceMouseDown;
huePickerRenderSurface.MouseUp += OnHuePickerRenderSurfaceMouseUp;
huePickerRenderSurface.MouseMove += OnHuePickerRenderSurfaceMouseMove;
}
RenderColorPickerSurface();
if (colorPickerSelector != null && colorPickerRenderSurface != null)
{
Canvas.SetLeft(colorPickerSelector, Saturation * colorPickerRenderSurface.Width / 100.0);
Canvas.SetTop(colorPickerSelector, Brightness * colorPickerRenderSurface.Height / 100.0);
}
if (huePickerSelector != null && huePickerRenderSurface != null)
{
Canvas.SetLeft(huePickerSelector, Hue * huePickerRenderSurface.Width / 360.0);
}
templateApplied = true;
}
public RippleAdorner(FrameworkElement frameworkElement) : base(frameworkElement)
{
Children = new(this);
target = new()
{
Height = 0,
Opacity = 0,
Stroke = FrameworkElementExtensions.GetRippleBrush(frameworkElement),
Width = 0
};
Children.Add(target);
}
public ResizeAdorner(FrameworkElement frameworkElement) : base(frameworkElement)
{
Snap
= FrameworkElementExtensions.GetResizeSnap(frameworkElement);
ThumbStyle
= FrameworkElementExtensions.GetResizeThumbStyle(frameworkElement);
Children
= new VisualCollection(this);
BuildThumb(ref top,
Cursors.SizeNS);
BuildThumb(ref left,
Cursors.SizeWE);
BuildThumb(ref right,
Cursors.SizeWE);
BuildThumb(ref bottom,
Cursors.SizeNS);
BuildThumb(ref topLeft,
Cursors.SizeNWSE);
BuildThumb(ref topRight,
Cursors.SizeNESW);
BuildThumb(ref bottomLeft,
Cursors.SizeNESW);
BuildThumb(ref bottomRight,
Cursors.SizeNWSE);
Subscribe();
/*
* rotateLine = new System.Windows.Shapes.Rectangle()
* {
* Fill = Brushes.Black,
* Height = 20,
* Width = 1
* };
* visualChildren.Add(rotateLine);
* rotateSphere = new Thumb()
* {
* Background = Brushes.Black,
* Height = 10,
* BorderBrush = Brushes.White,
* BorderThickness = new Thickness(1),
* Style = rotateThumbStyle,
* Width = 10
* };
* rotateSphere.DragDelta += new DragDeltaEventHandler(OnRotating);
* rotateSphere.DragStarted += new DragStartedEventHandler(OnRotateStarted);
* visualChildren.Add(rotateSphere);
*/
}
private void DetermineResizeCursor()
{
var effectiveResizeDirection =
this.DetermineEffectiveResizeDirection();
if (effectiveResizeDirection == GridResizeDirection.Columns)
{
FrameworkElementExtensions.SetCursor(this, new CoreCursor(CoreCursorType.SizeWestEast, 1));
}
else
{
FrameworkElementExtensions.SetCursor(this, new CoreCursor(CoreCursorType.SizeNorthSouth, 1));
}
}
public void FrameworkElementExtensions_ArgumentChecks()
{
var element = new Button();
AssertEx.Throws <ArgumentNullException>(
() => FrameworkElementExtensions.SetTag(null, 0),
ex => Assert.AreEqual("view", ex.ParamName));
AssertEx.Throws <ArgumentNullException>(
() => FrameworkElementExtensions.SetReactContext(null, null),
ex => Assert.AreEqual("view", ex.ParamName));
AssertEx.Throws <ArgumentNullException>(
() => FrameworkElementExtensions.GetTag(null),
ex => Assert.AreEqual("view", ex.ParamName));
AssertEx.Throws <ArgumentNullException>(
() => FrameworkElementExtensions.GetReactContext(null),
ex => Assert.AreEqual("view", ex.ParamName));
}
static Storyboard GetStoryboard(FrameworkElement frameworkElement)
{
var result = new Storyboard {
Duration = FrameworkElementExtensions.GetRippleDuration(frameworkElement)
};
var hAnimation = new DoubleAnimationUsingKeyFrames()
{
Duration = FrameworkElementExtensions.GetRippleDuration(frameworkElement),
AccelerationRatio = FrameworkElementExtensions.GetRippleAcceleration(frameworkElement),
DecelerationRatio = FrameworkElementExtensions.GetRippleDeceleration(frameworkElement)
};
var wAnimation = new DoubleAnimationUsingKeyFrames()
{
Duration = FrameworkElementExtensions.GetRippleDuration(frameworkElement),
AccelerationRatio = FrameworkElementExtensions.GetRippleAcceleration(frameworkElement),
DecelerationRatio = FrameworkElementExtensions.GetRippleDeceleration(frameworkElement)
};
var tAnimation = new DoubleAnimationUsingKeyFrames()
{
Duration = FrameworkElementExtensions.GetRippleDuration(frameworkElement),
AccelerationRatio = FrameworkElementExtensions.GetRippleAcceleration(frameworkElement),
DecelerationRatio = FrameworkElementExtensions.GetRippleDeceleration(frameworkElement)
};
var oAnimation = new DoubleAnimationUsingKeyFrames()
{
Duration = FrameworkElementExtensions.GetRippleDuration(frameworkElement),
AccelerationRatio = FrameworkElementExtensions.GetRippleAcceleration(frameworkElement),
DecelerationRatio = FrameworkElementExtensions.GetRippleDeceleration(frameworkElement)
};
Storyboard.SetTargetProperty(hAnimation,
new PropertyPath(nameof(Ellipse.Height)));
Storyboard.SetTargetProperty(wAnimation,
new PropertyPath(nameof(Ellipse.Width)));
Storyboard.SetTargetProperty(oAnimation,
new PropertyPath(nameof(Ellipse.Opacity)));
Storyboard.SetTargetProperty(tAnimation,
new PropertyPath(nameof(Ellipse.StrokeThickness)));
hAnimation.KeyFrames.Add(new DiscreteDoubleKeyFrame(0, KeyTime.FromTimeSpan(FrameworkElementExtensions.GetRippleDelay(frameworkElement).TimeSpan)));
hAnimation.KeyFrames.Add(new LinearDoubleKeyFrame(FrameworkElementExtensions.GetRippleMaximumRadius(frameworkElement), KeyTime.FromTimeSpan(FrameworkElementExtensions.GetRippleDuration(frameworkElement).TimeSpan)));
hAnimation.KeyFrames.Add(new DiscreteDoubleKeyFrame(0, KeyTime.FromTimeSpan(FrameworkElementExtensions.GetRippleDuration(frameworkElement).TimeSpan)));
wAnimation.KeyFrames.Add(new DiscreteDoubleKeyFrame(0, KeyTime.FromTimeSpan(FrameworkElementExtensions.GetRippleDelay(frameworkElement).TimeSpan)));
wAnimation.KeyFrames.Add(new LinearDoubleKeyFrame(FrameworkElementExtensions.GetRippleMaximumRadius(frameworkElement), KeyTime.FromTimeSpan(FrameworkElementExtensions.GetRippleDuration(frameworkElement).TimeSpan)));
wAnimation.KeyFrames.Add(new DiscreteDoubleKeyFrame(0, KeyTime.FromTimeSpan(FrameworkElementExtensions.GetRippleDuration(frameworkElement).TimeSpan)));
var offset = (FrameworkElementExtensions.GetRippleDuration(frameworkElement).TimeSpan.Ticks / 4) * 3;
tAnimation.KeyFrames.Add(new DiscreteDoubleKeyFrame(FrameworkElementExtensions.GetRippleFromStrokeThickness(frameworkElement), KeyTime.FromTimeSpan(FrameworkElementExtensions.GetRippleDelay(frameworkElement).TimeSpan)));
tAnimation.KeyFrames.Add(new LinearDoubleKeyFrame(FrameworkElementExtensions.GetRippleToStrokeThickness(frameworkElement), KeyTime.FromTimeSpan(FrameworkElementExtensions.GetRippleDuration(frameworkElement).TimeSpan)));
oAnimation.KeyFrames.Add(new DiscreteDoubleKeyFrame(FrameworkElementExtensions.GetRippleMaximumOpacity(frameworkElement), KeyTime.FromTimeSpan(FrameworkElementExtensions.GetRippleDelay(frameworkElement).TimeSpan)));
oAnimation.KeyFrames.Add(new LinearDoubleKeyFrame(FrameworkElementExtensions.GetRippleMaximumOpacity(frameworkElement) / 2.0, KeyTime.FromTimeSpan(new TimeSpan(offset))));
oAnimation.KeyFrames.Add(new LinearDoubleKeyFrame(0.0, KeyTime.FromTimeSpan(FrameworkElementExtensions.GetRippleDuration(frameworkElement).TimeSpan)));
result.Children.Add(hAnimation);
result.Children.Add(wAnimation);
result.Children.Add(oAnimation);
result.Children.Add(tAnimation);
if (FrameworkElementExtensions.GetRippleMouseEvent(frameworkElement) == MouseEvent.None)
{
result.RepeatBehavior = RepeatBehavior.Forever;
}
return(result);
}
