public DragablzDragCompletedEventArgs(DragablzItem dragablzItem, DragCompletedEventArgs dragCompletedEventArgs)
{
if (dragablzItem == null)
{
throw new ArgumentNullException("dragablzItem");
}
if (dragCompletedEventArgs == null)
{
throw new ArgumentNullException("dragCompletedEventArgs");
}
_dragablzItem = dragablzItem;
_dragCompletedEventArgs = dragCompletedEventArgs;
}
private LocationInfo GetLocationInfo(DragablzItem item)
{
var size = _getDesiredSize(item);
double startLocation;
if (!_activeStoryboardTargetLocations.TryGetValue(item, out startLocation))
{
startLocation = _getLocation(item);
}
var midLocation = startLocation + size / 2;
var endLocation = startLocation + size;
return(new LocationInfo(item, startLocation, midLocation, endLocation));
}
public DragablzDragCompletedEventArgs(RoutedEvent routedEvent, object source, DragablzItem dragablzItem, DragCompletedEventArgs dragCompletedEventArgs)
: base(routedEvent, source)
{
if (dragablzItem == null)
{
throw new ArgumentNullException("dragablzItem");
}
if (dragCompletedEventArgs == null)
{
throw new ArgumentNullException("dragCompletedEventArgs");
}
_dragablzItem = dragablzItem;
_dragCompletedEventArgs = dragCompletedEventArgs;
}
public ItemActionCallbackArgs(Window window, TOwner owner, DragablzItem dragablzItem)
{
if (window == null)
{
throw new ArgumentNullException("window");
}
if (owner == null)
{
throw new ArgumentNullException("owner");
}
if (dragablzItem == null)
{
throw new ArgumentNullException("dragablzItem");
}
_window = window;
_owner = owner;
_dragablzItem = dragablzItem;
}
private void SendToLocation(DragablzItem dragablzItem, double location)
{
double activeTarget;
if (Math.Abs(_getLocation(dragablzItem) - location) < 1.0
||
_activeStoryboardTargetLocations.TryGetValue(dragablzItem, out activeTarget) &&
Math.Abs(activeTarget - location) < 1.0)
{
return;
}
_activeStoryboardTargetLocations[dragablzItem] = location;
var storyboard = new Storyboard {
FillBehavior = FillBehavior.Stop
};
storyboard.WhenComplete(sb =>
{
_setLocation(dragablzItem, location);
sb.Remove(dragablzItem);
_activeStoryboardTargetLocations.Remove(dragablzItem);
});
var timeline = new DoubleAnimationUsingKeyFrames();
timeline.SetValue(Storyboard.TargetPropertyProperty, new PropertyPath(_canvasDependencyProperty));
timeline.KeyFrames.Add(
new EasingDoubleKeyFrame(location, KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(200)))
{
EasingFunction = new CubicEase()
{
EasingMode = EasingMode.EaseOut
}
});
storyboard.Children.Add(timeline);
storyboard.Begin(dragablzItem, true);
}
private void SetLocation(DragablzItem dragablzItem, double location)
{
_setLocation(dragablzItem, location);
}
public virtual void OrganiseOnDragCompleted(DragablzItemsControl requestor, Size measureBounds,
IEnumerable <DragablzItem> siblingItems, DragablzItem dragItem)
{
if (siblingItems == null)
{
throw new ArgumentNullException("siblingItems");
}
var currentLocations = siblingItems
.Select(GetLocationInfo)
.Union(new[] { GetLocationInfo(dragItem) })
.OrderBy(loc => loc.Item == dragItem ? loc.Start : _siblingItemLocationOnDragStart[loc.Item].Start);
var currentCoord = 0.0;
var z = int.MaxValue;
var logicalIndex = 0;
foreach (var location in currentLocations)
{
SetLocation(location.Item, currentCoord);
currentCoord += _getDesiredSize(location.Item) + _itemOffset;
Panel.SetZIndex(location.Item, --z);
location.Item.LogicalIndex = logicalIndex++;
}
Panel.SetZIndex(dragItem, int.MaxValue);
}
public virtual void OrganiseOnDragStarted(DragablzItemsControl requestor, Size measureBounds,
IEnumerable <DragablzItem> siblingItems, DragablzItem dragItem)
{
if (siblingItems == null)
{
throw new ArgumentNullException("siblingItems");
}
if (dragItem == null)
{
throw new ArgumentNullException("dragItem");
}
_siblingItemLocationOnDragStart = siblingItems.Select(GetLocationInfo).ToDictionary(loc => loc.Item);
}
public virtual void OrganiseOnMouseDownWithin(DragablzItemsControl requestor, Size measureBounds,
List <DragablzItem> siblingItems, DragablzItem dragablzItem)
{
}
public DragablzDragStartedEventArgs(RoutedEvent routedEvent, object source, DragablzItem dragablzItem, DragStartedEventArgs dragStartedEventArgs)
: base(routedEvent, source, dragablzItem)
{
_dragStartedEventArgs = dragStartedEventArgs;
}
public DragablzDragStartedEventArgs(RoutedEvent routedEvent, DragablzItem dragablzItem, DragStartedEventArgs dragStartedEventArgs)
: base(routedEvent, dragablzItem)
{
_dragStartedEventArgs = dragStartedEventArgs;
}
public DragablzItemEventArgs(RoutedEvent routedEvent, object source, DragablzItem dragablzItem)
: base(routedEvent, source)
{
_dragablzItem = dragablzItem;
}
public DragablzItemEventArgs(RoutedEvent routedEvent, DragablzItem dragablzItem)
: base(routedEvent)
{
_dragablzItem = dragablzItem;
}
public virtual void OrganiseOnDragCompleted(DragablzItemsControl requestor, Size measureBounds, IEnumerable <DragablzItem> siblingItems, DragablzItem dragItem)
{
}
public virtual void OrganiseOnMouseDownWithin(DragablzItemsControl requestor, Size measureBounds, List <DragablzItem> siblingItems, DragablzItem dragablzItem)
{
var zIndex = int.MaxValue;
foreach (var source in siblingItems.OrderByDescending(Panel.GetZIndex))
{
Panel.SetZIndex(source, --zIndex);
}
Panel.SetZIndex(dragablzItem, int.MaxValue);
}
