public CanvasContent Deserialize()
{
var root = XElement.Load( myReader );
double offsetX = Double.Parse( root.Attribute( "OffsetX" ).Value, CultureInfo.InvariantCulture );
double offsetY = Double.Parse( root.Attribute( "OffsetY" ).Value, CultureInfo.InvariantCulture );
var items = new List<DesignerItem>();
var itemsXML = root.Elements( "DesignerItems" ).Elements( "DesignerItem" );
foreach( var itemXML in itemsXML )
{
var id = new Guid( itemXML.Element( "ID" ).Value );
var item = DeserializeDesignerItem( itemXML, id );
item.SetConnectorDecoratorTemplate();
items.Add( item );
}
var connections = new List<Connection>();
var connectionsXML = root.Elements( "Connections" ).Elements( "Connection" );
foreach( var connectionXML in connectionsXML )
{
var sourceID = new Guid( connectionXML.Element( "SourceID" ).Value );
var sinkID = new Guid( connectionXML.Element( "SinkID" ).Value );
var sourceConnectorName = connectionXML.Element( "SourceConnectorName" ).Value;
var sinkConnectorName = connectionXML.Element( "SinkConnectorName" ).Value;
var sourceConnector = GetConnector( items, sourceID, sourceConnectorName );
var sinkConnector = GetConnector( items, sinkID, sinkConnectorName );
var connection = new Connection( sourceConnector, sinkConnector );
connection.SourceArrowSymbol = ( ArrowSymbol )Enum.Parse( typeof( ArrowSymbol ), connectionXML.Element( "SourceArrowSymbol" ).Value );
connection.SinkArrowSymbol = ( ArrowSymbol )Enum.Parse( typeof( ArrowSymbol ), connectionXML.Element( "SinkArrowSymbol" ).Value );
connection.IsDotted = connectionXML.Element( "IsDotted" ) != null ? bool.Parse( connectionXML.Element( "IsDotted" ).Value ) : false;
Canvas.SetZIndex( connection, Int32.Parse( connectionXML.Element( "zIndex" ).Value ) );
var propertiesContent = ConvertBladeNamespaces(connectionXML.Element("Properties").Value);
using (var reader = XmlReader.Create(new StringReader(propertiesContent)))
{
var properties = (ItemPropertyCollection)XamlReader.Load(reader);
connection.Properties = properties;
}
connection.Caption = connectionXML.Element( "Caption" ).Value;
connections.Add( connection );
}
var canvas = new CanvasContent( items, connections );
canvas.AddOffset( offsetX, offsetY );
return canvas;
}
public void Save( CanvasContent content, string file )
{
using ( var writer = new StreamWriter( file ) )
{
var serializer = new CanvasXmlWriter( writer );
serializer.Location = Path.GetDirectoryName( file );
serializer.Serialize( content );
}
}
public void Serialize( CanvasContent content )
{
var root = new XElement( "Root",
new XAttribute( "OffsetX", content.Offset.X ),
new XAttribute( "OffsetY", content.Offset.X ),
new XAttribute( "Version", Version ),
Serialize( content.Items ),
Serialize( content.Connections ) );
root.Save( myWriter );
}
public void CopyToClipboard( CanvasContent content )
{
using ( var writer = new StringWriter() )
{
var settings = new SerializationSettings();
settings.RewriteIds = true;
var serializer = new CanvasXmlWriter( writer, settings );
serializer.Serialize( content );
Clipboard.Clear();
Clipboard.SetData( DataFormats.Xaml, writer.ToString() );
}
}
private void CopyCurrentSelection()
{
var selectedDesignerItems = SelectionService.CurrentSelection.OfType<DesignerItem>();
var selectedConnections = SelectionService.CurrentSelection.OfType<Connection>().ToList();
foreach( Connection connection in this.Children.OfType<Connection>() )
{
if( !selectedConnections.Contains( connection ) )
{
DesignerItem sourceItem = ( from item in selectedDesignerItems
where item.ID == connection.Source.ParentDesignerItem.ID
select item ).FirstOrDefault();
DesignerItem sinkItem = ( from item in selectedDesignerItems
where item.ID == connection.Sink.ParentDesignerItem.ID
select item ).FirstOrDefault();
if( sourceItem != null &&
sinkItem != null &&
BelongToSameGroup( sourceItem, sinkItem ) )
{
selectedConnections.Add( connection );
}
}
}
var content = new CanvasContent( selectedDesignerItems, selectedConnections );
content.AddOffset( 10, 10 );
PersistenceService.CopyToClipboard( content );
}
private bool Save()
{
if( Filename == null )
{
SaveFileDialog saveFile = new SaveFileDialog();
saveFile.Filter = "WhiteBoard Files (*.bwb)|*.bwb|PNG (*.png)|*.png";
var ret = saveFile.ShowDialog();
if( ret == false )
{
return false;
}
try
{
if( saveFile.FilterIndex == 2 )
{
SelectionService.ClearSelection();
PersistenceService.SaveToPng( this, saveFile.FileName );
return false;
}
else
{
Filename = saveFile.FileName;
}
}
catch( Exception ex )
{
MessageBox.Show( ex.StackTrace, ex.Message, MessageBoxButton.OK, MessageBoxImage.Error );
}
}
try
{
var content = new CanvasContent( Children.OfType<DesignerItem>(), Children.OfType<Connection>() );
PersistenceService.Save( content, Filename );
return true;
}
catch( Exception ex )
{
MessageBox.Show( ex.StackTrace, ex.Message, MessageBoxButton.OK, MessageBoxImage.Error );
}
return false;
}
