void TargetDesignCanvas_PointerPressed(object sender, PointerRoutedEventArgs e)
{
if (createControlFunc == null)
{
foreach (var v in TargetDesignCanvas.Children)
{
if (v is ArrowCurveSegment)
{
(v as ArrowCurveSegment).ChangeActive(false);
}
if (v is DesignControl)
{
(v as DesignControl).ChangeActive(false);
}
}
if (DesignManager.SetCurrent != null && Parent != null)
{
var p = Parent as FrameworkElement;
DesignManager.SetCurrent(p.DataContext);
}
return;
}
if (DataContext == null)
{
return;
}
var dc = DataContext as DesignCanvasViewModel;
if (dc == null)
{
return;
}
var control = createControlFunc();
if (control == null)
{
throw new Exception("Can not create control");
}
var item = new DesignItem()
{
TargetControl = control,
Left = e.GetCurrentPoint(TargetDesignCanvas).Position.X,
Top = e.GetCurrentPoint(TargetDesignCanvas).Position.Y,
Width = double.IsNaN(control.Width) ? 200 : control.Width,
Height = double.IsNaN(control.Height) ? 150 : control.Height
};
dc.ItemList.Add(item);
var dcontrol = new DesignControl();
dcontrol.DataContext = item;
TargetDesignCanvas.Children.Add(dcontrol);
//RefreshDataContext(DataContext);
createControlFunc = null;
//e.Handled = true;
}
DesignConnection getConnectionControl(DesignControl c, RelativePosition type)
{
var l = c.GetConnectionList();
if (type == RelativePosition.Left)
{
return(l.FirstOrDefault(v => v.IsLeft));
}
if (type == RelativePosition.Right)
{
return(l.FirstOrDefault(v => v.IsRight));
}
if (type == RelativePosition.Bottom)
{
return(l.FirstOrDefault(v => v.IsBottom));
}
if (type == RelativePosition.Top)
{
return(l.FirstOrDefault(v => v.IsTop));
}
return(null);
}
void CreateControlInCanvas(FrameworkElement control, double x, double y)
{
if (control == null)
{
throw new Exception("Can not create control");
}
var dc = DataContext as DesignCanvasViewModel;
var item = new DesignItem()
{
TargetControl = control,
Left = x,
Top = y,
Width = double.IsNaN(control.Width) ? 200 : control.Width,
Height = double.IsNaN(control.Height) ? 150 : control.Height
};
dc.ItemList.Add(item);
var dcontrol = new DesignControl();
dcontrol.DataContext = item;
TargetDesignCanvas.Children.Add(dcontrol);
}
//void ConnectNode()
public void RefreshView(object value)
{
var vm = value as DesignCanvasViewModel;
if (vm == null)
{
return;
}
TargetDesignCanvas.Children.Clear();
vm.ItemList.ToList().ForEach(v =>
{
var control = new DesignControl()
{
DataContext = v
};
v.OutLinkList.Clear();
foreach (var outlink in vm.LinkList.Where(u => u.SourceDesignItemID == v.DesignItemID))
{
v.OutLinkList.Add(outlink);
}
v.InLinkList.Clear();
foreach (var inLink in vm.LinkList.Where(u => u.TargetDesignItemID == v.DesignItemID))
{
v.InLinkList.Add(inLink);
}
TargetDesignCanvas.Children.Add(control);
});
vm.LinkList.ToList().ForEach(v =>
{
if (!TargetDesignCanvas.Children.Contains(v.LinkLine))
{
TargetDesignCanvas.Children.Add(v.LinkLine);
}
Canvas.SetZIndex(v.LinkLine, 10);
});
}
