void SnapDataBlockLogicItem(ILocation locacion, double dX, double dY, DataBlockSnapMode mode)
{
double left = SnapGrid.Snap(locacion.X + dX, UnitConverter.CmToDip(0.1));
//double top = SnapGrid.Snap(locacion.Y + dY, UnitConverter.CmToDip(1.0), UnitConverter.CmToDip(0.1));
double top = UnitConverter.CmToDip(Math.Floor(UnitConverter.DipToCm(locacion.Y + dY)) + 0.1);
switch (mode)
{
case DataBlockSnapMode.Input:
{
left = UnitConverter.CmToDip(1.3);
}
break;
case DataBlockSnapMode.Output:
{
left = UnitConverter.CmToDip(31.2);
}
break;
case DataBlockSnapMode.Auto:
{
if (left < UnitConverter.CmToDip(1.3))
{
// X < 1.3cm
left = UnitConverter.CmToDip(1.3);
}
else if (left >= UnitConverter.CmToDip(1.3) && left < UnitConverter.CmToDip(11.2))
{
// 1.3cm >= X > 11.2cm
left = UnitConverter.CmToDip(1.3);
}
else if (left >= UnitConverter.CmToDip(11.2) && left < UnitConverter.CmToDip(31.2))
{
// 11.2cm >= X > 31.2cm
if (left <= UnitConverter.CmToDip(21.2))
{
// move to inputs
left = UnitConverter.CmToDip(1.3);
}
else
{
// move to outputs
left = UnitConverter.CmToDip(31.2);
}
}
else
{
// X >= 31.2cm
left = UnitConverter.CmToDip(31.2);
}
}
break;
}
if (top <= UnitConverter.CmToDip(2.1))
{
// Y <= 2.1cm
top = UnitConverter.CmToDip(2.1);
}
else if (top >= UnitConverter.CmToDip(25.1))
{
// Y >= 25.1
top = UnitConverter.CmToDip(25.1);
}
else
{
// 2.1cm < Y < 25.1cm
//top = top + UnitConverter.CmToDip(0.1);
}
locacion.X = left;
locacion.Y = top;
}
protected override void OnPreviewMouseLeftButtonDown(MouseButtonEventArgs e)
{
if (!(this.DataContext is Node))
{
base.OnPreviewMouseLeftButtonDown(e);
return;
}
var diagram = (this.DataContext as Node).Diagram;
var element = e.Source as FrameworkElement;
var visualParent = FindVisualParent <DiagramCanvas>(this);
var p = e.GetPosition(visualParent);
if (element.DataContext is Pin)
{
var pin = element.DataContext as Pin;
if (visualParent.IsMouseCaptured)
{
if (visualParent.HaveStart)
{
visualParent.CurrentWire.EndPin = pin;
pin.IsConnected = true;
visualParent.CurrentWire = null;
visualParent.StartPin = null;
visualParent.HaveStart = false;
visualParent.ReleaseMouseCapture();
e.Handled = true;
}
}
else
{
Wire wire = new Wire()
{
Id = Guid.NewGuid(),
X = UnitConverter.CmToDip(0.0),
Y = UnitConverter.CmToDip(0.0),
Z = 0,
Diagram = diagram
};
wire.SetStartPin(pin);
Pin endPin = new Pin()
{
Id = Guid.Empty,
ParentId = Guid.Empty,
OffsetX = 0.0,
OffsetY = 0.0,
X = p.X,
Y = p.Y,
Alignment = PinAlignment.None
};
wire.SetEndPin(endPin);
visualParent.StartPin = pin;
diagram.Items.Add(wire);
visualParent.CurrentWire = wire;
visualParent.HaveStart = true;
Mouse.Capture(visualParent, CaptureMode.SubTree);
e.Handled = true;
}
}
else
{
if (visualParent.IsMouseCaptured == true)
{
e.Handled = true;
}
base.OnPreviewMouseLeftButtonDown(e);
}
}
void Print(PageItem Page)
{
try
{
Page.IsGridVisible = false;
Page.IsPrinting = true;
ContentControl cc = new ContentControl();
cc.ContentTemplate = this.FindResource("LogicPageItemTemplate1") as DataTemplate;
cc.Content = Page;
PrintDialog dlg = new System.Windows.Controls.PrintDialog();
dlg.PrintQueue = LocalPrintServer.GetDefaultPrintQueue();
dlg.PrintTicket = dlg.PrintQueue.DefaultPrintTicket;
dlg.PrintTicket.PageOrientation = PageOrientation.Landscape;
dlg.PrintTicket.OutputQuality = OutputQuality.High;
//dlg.PrintTicket.OutputColor = OutputColor.Monochrome;
dlg.PrintTicket.TrueTypeFontMode = TrueTypeFontMode.DownloadAsNativeTrueTypeFont;
Nullable <bool> result = dlg.ShowDialog();
if (result == true)
{
System.Printing.PrintCapabilities capabilities = dlg.PrintQueue.GetPrintCapabilities(dlg.PrintTicket);
double scale = Math.Min(capabilities.PageImageableArea.ExtentWidth / UnitConverter.CmToDip(42.0),
capabilities.PageImageableArea.ExtentHeight / UnitConverter.CmToDip(29.7));
cc.LayoutTransform = new ScaleTransform(scale, scale);
Size sz = new Size(capabilities.PageImageableArea.ExtentWidth, capabilities.PageImageableArea.ExtentHeight);
cc.Measure(sz);
cc.Arrange(new Rect(new Point(capabilities.PageImageableArea.OriginWidth, capabilities.PageImageableArea.OriginHeight), sz));
cc.UpdateLayout();
dlg.PrintVisual(cc, "Page");
}
Page.IsGridVisible = true;
Page.IsPrinting = false;
}
catch (Exception ex)
{
Debug.Print(ex.Message);
}
}