protected override void OnDrop(DragEventArgs e)
{
base.OnDrop(e);
var dragObject = e.Data.GetData(typeof (DragObject)) as DragObject;
if (dragObject != null) // && !String.IsNullOrEmpty(dragObject.Xaml))
{
DesignerItem newItem = null;
//Object content = XamlReader.Load(XmlReader.Create(new StringReader(dragObject.Xaml)));
var content = "";
if (content != null)
{
var vm = DataContext as EditorWindowViewModel;
if (vm == null)
{
throw new ArgumentException("DataContext as ConstructorViewModel");
return;
}
var visualProperties = new VisualProperties();
//visualProperties.Size =
var elementProperties = new ElementProperties(visualProperties, new DomainProperties());
var initialElement = dragObject.InitialElementViewModel.InitialElement;
var model = new Element(initialElement, elementProperties);
var elementViewModel = new ElementViewModel(model);
elementViewModel.ElementPropertiesViewModel.Name = string.Format("{0} {1}", initialElement.Name, count++);
newItem = new DesignerItem(elementViewModel);
newItem.SizeChanged += (sender, args) =>
{
var newSize = args.NewSize;
elementViewModel.ElementPropertiesViewModel.ElementVisualPropertiesViewModel.Size = new ElementSize(newSize.Height, newSize.Width);
};
var button = new Ellipse
{
//Width = 100,
//Height = 100,
Fill = Brushes.Aqua
};
newItem.Content = ResourceUtil.GetResourceByName(dragObject.InitialElementViewModel.StyleName) ?? button;
var position = e.GetPosition(this);
if (dragObject.DesiredSize.HasValue)
{
var desiredSize = dragObject.DesiredSize.Value;
newItem.Width = desiredSize.Width;
newItem.Height = desiredSize.Height;
SetLeft(newItem, Math.Max(0, position.X - newItem.Width/2));
SetTop(newItem, Math.Max(0, position.Y - newItem.Height/2));
}
else
{
SetLeft(newItem, Math.Max(0, position.X));
SetTop(newItem, Math.Max(0, position.Y));
}
newItem.SetCoords();
SetZIndex(newItem, Children.Count);
Children.Add(newItem);
SetConnectorDecoratorTemplate(newItem);
//update selection
SelectionService.SelectItem(newItem);
newItem.Focus();
vm.Add(newItem.ElementViewModel);
}
e.Handled = true;
}
}
private static DesignerItem DeserializeDesignerItem(XElement itemXML, Guid id, double OffsetX, double OffsetY)
{
var item = new DesignerItem(id);
item.Width = double.Parse(itemXML.Element("Width").Value, CultureInfo.InvariantCulture);
item.Height = double.Parse(itemXML.Element("Height").Value, CultureInfo.InvariantCulture);
item.ParentID = new Guid(itemXML.Element("ParentID").Value);
item.IsGroup = bool.Parse(itemXML.Element("IsGroup").Value);
SetLeft(item, double.Parse(itemXML.Element("Left").Value, CultureInfo.InvariantCulture) + OffsetX);
SetTop(item, double.Parse(itemXML.Element("Top").Value, CultureInfo.InvariantCulture) + OffsetY);
SetZIndex(item, int.Parse(itemXML.Element("zIndex").Value));
var content = XamlReader.Load(XmlReader.Create(new StringReader(itemXML.Element("Content").Value)));
item.Content = content;
return item;
}
private void SetConnectorDecoratorTemplate(DesignerItem item)
{
if (item.ApplyTemplate() && item.Content is UIElement)
{
var template = DesignerItem.GetConnectorDecoratorTemplate(item.Content as UIElement);
var decorator = item.Template.FindName("PART_ConnectorDecorator", item) as Control;
if (decorator != null && template != null)
decorator.Template = template;
}
}
private void Group_Executed(object sender, ExecutedRoutedEventArgs e)
{
var items = from item in SelectionService.CurrentSelection.OfType<DesignerItem>()
where item.ParentID == Guid.Empty
select item;
var rect = GetBoundingRectangle(items);
var groupItem = new DesignerItem();
groupItem.IsGroup = true;
groupItem.Width = rect.Width;
groupItem.Height = rect.Height;
SetLeft(groupItem, rect.Left);
SetTop(groupItem, rect.Top);
var groupCanvas = new Canvas();
groupItem.Content = groupCanvas;
SetZIndex(groupItem, Children.Count);
Children.Add(groupItem);
foreach (var item in items)
item.ParentID = groupItem.ID;
SelectionService.SelectItem(groupItem);
}
