public override void OnApplyTemplate()
{
base.OnApplyTemplate();
upButton = (DragRepeatButton)Template.FindName("PART_UpButton", this);
downButton = (DragRepeatButton)Template.FindName("PART_DownButton", this);
textBox = (TextBox)Template.FindName("PART_TextBox", this);
upButton.Click += upButton_Click;
downButton.Click += downButton_Click;
textBox.LostFocus += (sender, e) => OnLostFocus(e);
var upDrag = new DragListener(upButton);
var downDrag = new DragListener(downButton);
upDrag.Started += drag_Started;
upDrag.Changed += drag_Changed;
upDrag.Completed += drag_Completed;
downDrag.Started += drag_Started;
downDrag.Changed += drag_Changed;
downDrag.Completed += drag_Completed;
Print();
}
void Target_MouseMove(object sender, MouseEventArgs e)
{
if (IsDown)
{
DeltaDelta = e.GetPosition(null) - CurrentPoint;
CurrentPoint += DeltaDelta;
if (!IsActive)
{
if (Math.Abs(Delta.X) >= SystemParameters.MinimumHorizontalDragDistance ||
Math.Abs(Delta.Y) >= SystemParameters.MinimumVerticalDragDistance)
{
IsActive = true;
CurrentListener = this;
if (Started != null)
{
Started(this);
}
}
}
if (IsActive && Changed != null)
{
Changed(this);
}
}
}
void Complete()
{
IsActive = false;
CurrentListener = null;
if (Completed != null)
{
Completed(this);
}
}
protected void drag_Changed(DragListener drag)
{
var mprt = drag.Target as PathThumb;
if (mprt != null)
{
_isDragging = true;
MovePoints(drag.Delta.X, drag.Delta.Y);
}
}
// TODO : Remove all hide/show extensions from here.
protected void drag_Started(DragListener drag)
{
//get current thumb
var mprt = (drag.Target as PathThumb);
if (mprt != null)
{
SetOperation();
}
}
protected void drag_Completed(DragListener drag)
{
var mprt = drag.Target as PathThumb;
if (mprt != null)
{
if (operation != null && drag.IsCanceled)
{
operation.Abort();
}
else if (drag.IsCanceled)
{
changeGroup.Abort();
}
CommitOperation();
}
}
protected virtual PathThumb CreateThumb(PlacementAlignment alignment, Cursor cursor, int index,
PathPoint pathpoint, Transform transform)
{
var designerThumb = new PathThumb(index, pathpoint)
{
Cursor = cursor
};
designerThumb.OperationMenu = BuildMenu(pathpoint);
designerThumb.InnerRenderTransform = ((Transform)transform.Inverse);
if (pathpoint.TargetPathPoint != null)
{
designerThumb.IsEllipse = true;
designerThumb.Foreground = Brushes.Blue;
var bnd = new Binding("TranslatedPoint")
{
Source = pathpoint.TargetPathPoint,
Mode = BindingMode.OneWay,
Converter = new RelativeToPointConverter(pathpoint)
};
designerThumb.SetBinding(PathThumb.RelativeToPointProperty, bnd);
}
AdornerPanel.SetPlacement(designerThumb, designerThumb.AdornerPlacement);
adornerPanel.Children.Add(designerThumb);
DragListener drag = new DragListener(designerThumb);
drag.Transform = transform;
WeakEventManager <DesignerThumb, MouseButtonEventArgs> .AddHandler(designerThumb,
"PreviewMouseLeftButtonDown", ResizeThumbOnMouseLeftButtonUp);
drag.MouseDown += drag_MouseDown;
drag.Started += drag_Started;
drag.Changed += drag_Changed;
drag.Completed += drag_Completed;
return(designerThumb);
}
protected void drag_MouseDown(DragListener drag)
{
}
void drag_Completed(DragListener drag)
{
IsDragging = false;
OnDragCompleted();
}
void drag_Changed(DragListener drag)
{
IsDragging = true;
MoveValue(-drag.DeltaDelta.Y * SmallChange);
}
void drag_Started(DragListener drag)
{
OnDragStarted();
}
