private void PlaceAdornerPanel()
{
AdornerPanel.SetHorizontalStretch(designerUI, AdornerStretch.Stretch);
AdornerPanel.SetVerticalStretch(designerUI, AdornerStretch.Stretch);
var placement = new AdornerPlacementCollection();
placement.PositionRelativeToContentHeight(0, -10);
placement.PositionRelativeToContentWidth(1, 0);
placement.SizeRelativeToAdornerDesiredHeight(1, 0);
placement.SizeRelativeToAdornerDesiredWidth(1, 0);
AdornerPanel.SetPlacements(designerUI, placement);
}
protected override void Activate(ModelItem item, DependencyObject view)
{
view.SetValue(Control.BackgroundProperty, Brushes.Aqua);
adornedControlModel = item;
adornedControlModel.PropertyChanged += adornedControlModel_PropertyChanged;
AdornerPanel draggablePointAdornerPanel = new AdornerPanel();
AdornerPlacementCollection placement = new AdornerPlacementCollection();
draggablePointAdornerPanel.CoordinateSpace = AdornerCoordinateSpaces.Layout;
base.Activate(item, view);
}
protected override void Activate(ModelItem item, DependencyObject view)
{
view.SetValue(Control.BackgroundProperty, Brushes.Aqua);
adornedControlModel = item;
adornedControlModel.PropertyChanged += adornedControlModel_PropertyChanged;
AdornerPanel draggablePointAdornerPanel = new AdornerPanel();
AdornerPlacementCollection placement = new AdornerPlacementCollection();
draggablePointAdornerPanel.CoordinateSpace = AdornerCoordinateSpaces.Layout;
base.Activate(item, view);
}
public override Size ArrangeChildren(FrameworkElement parent, UIElementCollection internalChildren, Size finalSize)
{
AdornerPanel adornerPanel = parent as AdornerPanel;
if (adornerPanel == null)
{
return(finalSize);
}
ModelItem model = adornerPanel.Model;
ViewItem adornedElement = model == null ? (ViewItem)null : model.View;
Vector vector = (Vector)parent.GetValue(TransformAwareAdornerLayout.DesignerElementScalingFactorWithZoom);
foreach (UIElement uiElement in internalChildren)
{
uiElement.SetValue(TransformAwareAdornerLayout.DesignerElementScalingFactorWithZoom, (object)vector);
AdornerPlacementCollection currentPlacements = AdornerPanel.GetCurrentPlacements(uiElement);
currentPlacements.ComputePlacement(AdornerCoordinateSpaces.Default, uiElement, adornedElement, new Vector(1.0, 1.0), finalSize);
Rect finalRect = new Rect((Point)currentPlacements.TopLeft, (Size)currentPlacements.Size);
finalRect.Width = BaseAdornerLayout.ValidateDouble(finalRect.Width, uiElement.RenderSize.Width);
finalRect.Height = BaseAdornerLayout.ValidateDouble(finalRect.Height, uiElement.RenderSize.Height);
uiElement.Arrange(finalRect);
if (uiElement is FrameworkElement)
{
if (adornerPanel.IsMirroredTransform)
{
uiElement.SetValue(FrameworkElement.FlowDirectionProperty, (object)FlowDirection.RightToLeft);
uiElement.RenderTransform = TransformAwareAdornerLayout.RTLAdornerTransformGroup.Create(uiElement, finalRect.Width);
}
else
{
uiElement.RenderTransform = TransformAwareAdornerLayout.RTLAdornerTransformGroup.Unwrap(uiElement);
uiElement.SetValue(FrameworkElement.FlowDirectionProperty, (object)FlowDirection.LeftToRight);
}
}
}
return(finalSize);
}
protected override void Activate(ModelItem item)
{
// Save the ModelItem and hook into when it changes.
// This enables updating the slider position when
// a new Background value is set.
adornedControlModel = item;
adornedControlModel.PropertyChanged +=
new System.ComponentModel.PropertyChangedEventHandler(
AdornedControlModel_PropertyChanged);
// Setup the slider's min and max values.
spaceSlider.Minimum = -20;
spaceSlider.Maximum = 20;
spaceSlider.TickFrequency = 1;
spaceSlider.IsSnapToTickEnabled = true;
spaceSlider.Background = new SolidColorBrush(Colors.Green);
spaceSlider.Foreground = new SolidColorBrush(Colors.Red);
// Setup the adorner panel.
// All adorners are placed in an AdornerPanel
// for sizing and layout support.
AdornerPanel myPanel = this.Panel;
AdornerPanel.SetHorizontalStretch(spaceSlider, AdornerStretch.Stretch);
AdornerPanel.SetVerticalStretch(spaceSlider, AdornerStretch.None);
AdornerPlacementCollection placement = new AdornerPlacementCollection();
// The adorner's width is relative to the content.
// The slider extends the full width of the control it adorns.
placement.SizeRelativeToContentWidth(1.0, 0);
// The adorner's height is the same as the slider's.
placement.SizeRelativeToAdornerDesiredHeight(1.0, 0);
// Position the adorner above the control it adorns.
placement.PositionRelativeToAdornerHeight(-2.0, 0);
// Position the adorner up 5 pixels. This demonstrates
// that these placement calls are additive. These two calls
// are equivalent to the following single call:
// PositionRelativeToAdornerHeight(-1.0, -5).
placement.PositionRelativeToAdornerHeight(0, -5);
AdornerPanel.SetPlacements(spaceSlider, placement);
// Initialize the slider when it is loaded.
spaceSlider.Loaded += new RoutedEventHandler(slider_Loaded);
// Handle the value changes of the slider control.
spaceSlider.ValueChanged +=
new RoutedPropertyChangedEventHandler <double>(
slider_ValueChanged);
spaceSlider.PreviewMouseLeftButtonUp +=
new System.Windows.Input.MouseButtonEventHandler(
slider_MouseLeftButtonUp);
spaceSlider.PreviewMouseLeftButtonDown +=
new System.Windows.Input.MouseButtonEventHandler(
slider_MouseLeftButtonDown);
base.Activate(item);
}
private void PlaceAdornerPanel()
{
AdornerPanel.SetHorizontalStretch(designerUI, AdornerStretch.Stretch);
AdornerPanel.SetVerticalStretch(designerUI, AdornerStretch.Stretch);
var placement = new AdornerPlacementCollection();
placement.PositionRelativeToContentHeight(0, -10);
placement.PositionRelativeToContentWidth(1, 0);
placement.SizeRelativeToAdornerDesiredHeight(1, 0);
placement.SizeRelativeToAdornerDesiredWidth(1, 0);
AdornerPanel.SetPlacements(designerUI, placement);
}
// The following method is called when the adorner is activated.
// It creates the adorner control, sets up the adorner panel,
// and attaches a ModelItem to the adorned control.
protected override void Activate(ModelItem item, DependencyObject view)
{
//MessageBox.Show("OpacitySliderAdornerProvider Activate");
// Save the ModelItem and hook into when it changes.
// This enables updating the slider position when
// a new Background value is set.
adornedControlModel = item;
adornedControlModel.PropertyChanged +=
new System.ComponentModel.PropertyChangedEventHandler(
AdornedControlModel_PropertyChanged);
// Setup the slider's min and max values.
opacitySlider.Minimum = 0;
opacitySlider.Maximum = 1;
// Setup the adorner panel.
// All adorners are placed in an AdornerPanel
// for sizing and layout support.
AdornerPanel myPanel = this.Panel;
AdornerPanel.SetHorizontalStretch(opacitySlider, AdornerStretch.Stretch);
AdornerPanel.SetVerticalStretch(opacitySlider, AdornerStretch.None);
AdornerPlacementCollection placement = new AdornerPlacementCollection();
// The adorner's width is relative to the content.
// The slider extends the full width of the control it adorns.
placement.SizeRelativeToContentWidth(1.0, 0);
// The adorner's height is the same as the slider's.
placement.SizeRelativeToAdornerDesiredHeight(1.0, 0);
// Position the adorner above the control it adorns.
placement.PositionRelativeToAdornerHeight(-1.0, 0);
// Position the adorner up 5 pixels. This demonstrates
// that these placement calls are additive. These two calls
// are equivalent to the following single call:
// PositionRelativeToAdornerHeight(-1.0, -5).
placement.PositionRelativeToAdornerHeight(0, -5);
AdornerPanel.SetPlacements(opacitySlider, placement);
// Initialize the slider when it is loaded.
opacitySlider.Loaded += new RoutedEventHandler(slider_Loaded);
// Handle the value changes of the slider control.
opacitySlider.ValueChanged +=
new RoutedPropertyChangedEventHandler<double>(
slider_ValueChanged);
opacitySlider.PreviewMouseLeftButtonUp +=
new System.Windows.Input.MouseButtonEventHandler(
slider_MouseLeftButtonUp);
opacitySlider.PreviewMouseLeftButtonDown +=
new System.Windows.Input.MouseButtonEventHandler(
slider_MouseLeftButtonDown);
base.Activate(item, view);
}
