/// <summary>
/// Deserialization constructor
/// </summary>
/// <param name="info"></param>
/// <param name="context"></param>
protected Connector(SerializationInfo info, StreamingContext context) : base(info, context)
{
this.mName = info.GetString("mName");
this.mAllowMultipleConnections = info.GetBoolean("mAllowMultipleConnections");
this.ConnectorLocation = (ConnectorLocation)info.GetValue("mConnectorLocation", typeof(ConnectorLocation));
this.mConnectionShift = info.GetSingle("mConnectionShift");
try
{
this.mAllowNewConnectionsFrom = info.GetBoolean("mAllowNewConnectionsFrom");
}
catch
{
this.mAllowNewConnectionsFrom = true;
}
try
{
this.mAllowNewConnectionsTo = info.GetBoolean("mAllowNewConnectionsTo");
}
catch
{
this.mAllowNewConnectionsTo = true;
}
mConnections = new ConnectionCollection();
mSendList = new ArrayList();
mReceiveList = new ArrayList();
}
//-------------------------------------------------------------------------------------------//
//--- Add a new connector location list control to the list view as well as the data list ---//
//-------------------------------------------------------------------------------------------//
public void AddConnectorLocation(ConnectorLocation connectorLocation)
{
if (!HasConnectorLocation(connectorLocation))
{
AddListViewItem(connectorLocation);
}
}
private void ControlsToData()
{
if (connectorLocation == null)
{
connectorLocation = new ConnectorLocation();
}
connectorLocation = connectorLocationPinControl.ConnectorLocationPin;
}
private void DataToControls()
{
if (connectorLocation == null)
{
connectorLocation = new ConnectorLocation();
}
connectorLocationPinControl.ConnectorLocationPin = connectorLocation;
}
private void ControlsToData()
{
if (connectorLocationPin == null)
{
connectorLocationPin = new ConnectorLocation();
}
connectorLocationPin.connectorID = edtConnectorId.Text;
connectorLocationPin.pinID = edtConnectorPinId.Text;
}
private bool HasConnectorLocation(ConnectorLocation connectorLocation)
{
bool hasConnectorLocation = false;
foreach (ListViewItem selectedItem in SelectedItems)
{
ConnectorLocation item = selectedItem.Tag as ConnectorLocation;
if (item != null && item.connectorID.Equals(connectorLocation.connectorID) &&
item.pinID.Equals(connectorLocation.pinID))
{
hasConnectorLocation = true;
break;
}
}
return(hasConnectorLocation);
}
//-------------------------------------------------------------//
//--- Add a connector location pin to the list view control ---//
//-------------------------------------------------------------//
private int AddListViewItem(ConnectorLocation connectorLocation)
{
if (connectorLocation == null)
{
connectorLocation = new ConnectorLocation();
}
var item = new ListViewItem(connectorLocation.connectorID);
item.SubItems.Add(connectorLocation.pinID);
item.Tag = connectorLocation;
if (lvList.Columns.Count >= 2)
{
lvList.Columns[0].Width = -2;
lvList.Columns[1].Width = -2;
}
return(lvList.Items.Add(item).Index);
}
//----------------------------------------//
//--- Add a new connector location pin ---//
//----------------------------------------//
protected override void btnAdd_Click(object sender, EventArgs e)
{
var form = new ConnectorLocationPinForm(_connectors);
//--------------------------------------------------------------------------------------------------------------//
//--- If there already locations in the list, then lets grab the last connector id and set it on the new pin ---//
//--------------------------------------------------------------------------------------------------------------//
var locationPin = new ConnectorLocation();
if (lvList.Items.Count > 0)
{
locationPin.connectorID = ((ConnectorLocation)lvList.Items[lvList.Items.Count - 1].Tag).connectorID;
}
form.ConnectorLocation = locationPin;
if (DialogResult.OK == form.ShowDialog())
{
AddConnectorLocation(form.ConnectorLocation);
}
}
/// <summary>
/// Binds the given connection to the shape at the specified connector location.
/// </summary>
/// <param name="con">The connection.</param>
/// <param name="property">The property of the connection to bind to.</param>
/// <param name="location">The location (Right,
/// Left, Top or Bottom).</param>
public void BindConnection(Connection con, DependencyProperty property, ConnectorLocation location)
{
//A multibinding is like a many-to-one function which returns a value for a dependency property
//in terms of multiple values.
//The WidthConverter is the class that does the actual conversion of data to one Point-value.
//MultiBinding mb = new MultiBinding();
Binding bb = new Binding("Who");
bb.Source = this;
bb.Converter = new ConnectorConverter2();
bb.NotifyOnSourceUpdated = true;
bb.Mode = BindingMode.OneWay;
bb.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged;
//mb.Converter = new ConnectorConverter();
//this is nasty hack, don't like it but the connection will not be visible if the
//converter does not return because width and/or height is NaN. Argh.
//if (double.IsNaN(this.Width))
// this.Width = this.DesiredSize.Width;
//if (double.IsNaN(this.Height))
// this.Height = this.DesiredSize.Height;
//mb.Mode = BindingMode.TwoWay;
//mb.NotifyOnSourceUpdated = true;
//Because of the multiple locations we have to switch between the various possibilities.
switch (location)
{
case ConnectorLocation.Top:
bb.ConverterParameter = "Top";
break;
case ConnectorLocation.Right:
bb.ConverterParameter = "Right";
break;
case ConnectorLocation.Bottom:
bb.ConverterParameter = "Bottom";
break;
case ConnectorLocation.Left:
bb.ConverterParameter = "Left";
break;
default:
break;
}
//Binding bx = new Binding("(Canvas.Left)");
//bx.Source = this;
//bx.Mode = BindingMode.TwoWay;
//bx.NotifyOnSourceUpdated = true;
//mb.Bindings.Add(bx);
//Binding by = new Binding("(Canvas.Top)");
//by.Source = this;
////bwh.Mode = BindingMode.TwoWay;
//mb.Bindings.Add(by);
//Binding bw = new Binding("Width");
//bw.Source = this;
////bww.Mode = BindingMode.TwoWay;
//mb.Bindings.Add(bw);
//Binding bh = new Binding("Height");
//bh.Source = this;
////bww.Mode = BindingMode.TwoWay;
//mb.Bindings.Add(bh);
con.SetBinding(property, bb);
this.mConnections.Add(con);
}
/// <summary>
/// Binds the given connection to the shape at the specified connector location.
/// </summary>
/// <param name="con">The connection.</param>
/// <param name="property">The property of the connection to bind to.</param>
/// <param name="location">The location (Right,
/// Left, Top or Bottom).</param>
public void BindConnection(Connection con, DependencyProperty property, ConnectorLocation location)
{
//A multibinding is like a many-to-one function which returns a value for a dependency property
//in terms of multiple values.
//The WidthConverter is the class that does the actual conversion of data to one Point-value.
//MultiBinding mb = new MultiBinding();
Binding bb = new Binding("Who");
bb.Source = this;
bb.Converter = new ConnectorConverter2();
bb.NotifyOnSourceUpdated = true;
bb.Mode = BindingMode.OneWay;
bb.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged;
//mb.Converter = new ConnectorConverter();
//this is nasty hack, don't like it but the connection will not be visible if the
//converter does not return because width and/or height is NaN. Argh.
//if (double.IsNaN(this.Width))
// this.Width = this.DesiredSize.Width;
//if (double.IsNaN(this.Height))
// this.Height = this.DesiredSize.Height;
//mb.Mode = BindingMode.TwoWay;
//mb.NotifyOnSourceUpdated = true;
//Because of the multiple locations we have to switch between the various possibilities.
switch (location)
{
case ConnectorLocation.Top:
bb.ConverterParameter = "Top";
break;
case ConnectorLocation.Right:
bb.ConverterParameter = "Right";
break;
case ConnectorLocation.Bottom:
bb.ConverterParameter = "Bottom";
break;
case ConnectorLocation.Left:
bb.ConverterParameter = "Left";
break;
default:
break;
}
//Binding bx = new Binding("(Canvas.Left)");
//bx.Source = this;
//bx.Mode = BindingMode.TwoWay;
//bx.NotifyOnSourceUpdated = true;
//mb.Bindings.Add(bx);
//Binding by = new Binding("(Canvas.Top)");
//by.Source = this;
////bwh.Mode = BindingMode.TwoWay;
//mb.Bindings.Add(by);
//Binding bw = new Binding("Width");
//bw.Source = this;
////bww.Mode = BindingMode.TwoWay;
//mb.Bindings.Add(bw);
//Binding bh = new Binding("Height");
//bh.Source = this;
////bww.Mode = BindingMode.TwoWay;
//mb.Bindings.Add(bh);
con.SetBinding(property, bb);
this.mConnections.Add(con);
}
