private void ResizeableThumb_DragDelta(object sender, DragDeltaEventArgs e)
{
if (this._designerItem != null)
{
double deltaVertical, deltaHorizontal;
DesignerVisualElement element = (this._designerItem.Content as ContentControl).DataContext as DesignerVisualElement;
switch (VerticalAlignment)
{
case System.Windows.VerticalAlignment.Bottom:
deltaVertical = Math.Min(-e.VerticalChange, this._designerItem.ActualHeight - this._designerItem.MinHeight);
element.Position.MoveOffset(-deltaVertical * this.transformOrigin.Y * Math.Sin(-this.angle), (this.transformOrigin.Y * deltaVertical * (1 - Math.Cos(-this.angle))));
this._designerItem.Height -= deltaVertical;
//element.Size.Height -= deltaVertical;
break;
case System.Windows.VerticalAlignment.Top:
deltaVertical = Math.Min(e.VerticalChange, this._designerItem.ActualHeight - this._designerItem.MinHeight);
element.Position.MoveOffset(deltaVertical * Math.Sin(-this.angle) - (this.transformOrigin.Y * deltaVertical * Math.Sin(-this.angle)), deltaVertical * Math.Cos(-this.angle) + (this.transformOrigin.Y * deltaVertical * (1 - Math.Cos(-this.angle))));
this._designerItem.Height -= deltaVertical;
//element.Size.Height -= deltaVertical;
break;
default:
break;
}
switch (HorizontalAlignment)
{
case System.Windows.HorizontalAlignment.Left:
deltaHorizontal = Math.Min(e.HorizontalChange, this._designerItem.ActualWidth - this._designerItem.MinWidth);
element.Position.MoveOffset(deltaHorizontal * Math.Cos(this.angle) + (this.transformOrigin.X * deltaHorizontal * (1 - Math.Cos(this.angle))), deltaHorizontal * Math.Sin(this.angle) - this.transformOrigin.X * deltaHorizontal * Math.Sin(this.angle));
this._designerItem.Width -= deltaHorizontal;
//element.Size.Width -= deltaHorizontal;
break;
case System.Windows.HorizontalAlignment.Right:
deltaHorizontal = Math.Min(-e.HorizontalChange, this._designerItem.ActualWidth - this._designerItem.MinWidth);
element.Position.MoveOffset(-this.transformOrigin.X * deltaHorizontal * Math.Sin(this.angle), -this.transformOrigin.X * deltaHorizontal * Math.Sin(this.angle));
this._designerItem.Width -= deltaHorizontal;
//element.Size.Width -= deltaHorizontal;
break;
default:
break;
}
}
e.Handled = true;
}
/// <summary>
///
/// </summary>
/// <param name="c">UserControl</param>
/// <param name="location"></param>
void AddDesignerItem(object c, Point location)
{
DesignerItem designerItem = new DesignerItem(c);
this.Children.Add(designerItem);
IDesigner idr = designerItem.Content as IDesigner;
DesignerVisualElement dc = idr.GetDesignerModel() as DesignerVisualElement;
Binding canvasLeft = new Binding("Position.Location.X")
{
Source = dc
};
designerItem.SetBinding(Canvas.LeftProperty, canvasLeft);
Binding canvasTop = new Binding("Position.Location.Y")
{
Source = dc
};
designerItem.SetBinding(Canvas.TopProperty, canvasTop);
Binding canvasZIndex = new Binding("Position.ZIndex")
{
Source = dc
};
designerItem.SetBinding(Canvas.ZIndexProperty, canvasZIndex);
Binding widthBind = new Binding("Size.Width")
{
Source = dc, Mode = BindingMode.TwoWay
};
designerItem.SetBinding(WidthProperty, widthBind);
Binding heightBind = new Binding("Size.Height")
{
Source = dc, Mode = BindingMode.TwoWay
};
designerItem.SetBinding(HeightProperty, heightBind);
dc.Position.MoveTo(location.X, location.Y);
this.DeselectAll();
designerItem.IsSelected = true;
this.SelectItem = designerItem;
}
private void MoveThumb_DragDelta(object sender, DragDeltaEventArgs e)
{
if (this._beMovedItem != null && this._parent != null && this._beMovedItem.IsSelected)
{
Point dragDelta = new Point(e.HorizontalChange, e.VerticalChange);
Point offsetPoint = new Point(dragDelta.X, dragDelta.Y);
if (_transform != null)
{
offsetPoint = _transform.Transform(offsetPoint);
}
foreach (DesignerItem item in this._parent.SelectedItems)
{
DesignerVisualElement dc = (item.Content as IDesigner).GetDesignerModel() as DesignerVisualElement;
dc.Position.MoveOffset(offsetPoint.X, offsetPoint.Y);
// DesignerCanvas.SetLeft(item, DesignerCanvas.GetLeft(item) + );
//DesignerCanvas.SetTop(item, DesignerCanvas.GetTop() + );
}
this._parent.InvalidateMeasure();
e.Handled = true;
}
}