/// <summary>
/// Function retrieves the point around which the connector will be drawn.
/// </summary>
/// <param name="c">Connector that wants to draw itself</param>
/// <returns>Point where the connector should be drawn
/// </returns>
public override PointF ConnectionPoint(Connector c)
{
//counting the y coordinate of the middle of the box
float middle = (Rectangle.Bottom - Rectangle.Top)/2 +
Rectangle.Top;
if (c == OutputConnector) //for the output connector
//returns the middle of the box
return new PointF(Rectangle.Right, middle);
else
{
FerdaConstants constants = new FerdaConstants();
PointF cPoint = new PointF(0,0);
//checking which connector was calling the function
int whichConnector = -1;
for (int i = 0; i < InputConnectors.Count; i++ )
{
if ( c == InputConnectors[i] )
{
whichConnector = i;
break;
}
}
//exception, if anything goes wrong
if ( whichConnector == -1 )
throw new ApplicationException("KrabickaNode.ConnectionPoint : no connector recognized");
//counting which connector is in da middle
//!!!! counting from 1 (not from 0)
int middleConnector;
if ( (InputConnectors.Count/2) == ( (float) InputConnectors.Count/2) )
middleConnector = InputConnectors.Count/2;
else
middleConnector = InputConnectors.Count/2 + 1;
//changing to count from 0
middleConnector--;
//setting the y coordinate
cPoint.Y = middle + (whichConnector - middleConnector)*
(constants.ConnectorGap + constants.ConnectorSize);
//setting the x coordinate
cPoint.X = Rectangle.Left - constants.ConnectorLeftOffset;
return cPoint;
}
}
/// <summary>
/// Default constructor for the class
/// </summary>
/// <remarks>
/// Parametrem by se mohlo predavat jmeno vystupniho konektoru.
/// Problem bude s resenim vystupniho konenktoru, pro ktery vlastne
/// neni socket ale pozaduje SVG (bud kreslit natvrdo, nebo udelat
/// v IBoxModule pro to nejaky zvlastni socket
/// </remarks>
/// <param name="site">Interface of a graph site (control)
/// </param>
/// <param name="box">Box that is connected with this node</param>
/// <param name="resM">Resource manager of the application</param>
/// <param name="svgman">Provider of svg images</param>
/// <param name="view">View where this box is located</param>
public BoxNode(IGraphSite site, ModulesManager.IBoxModule box,
SVGManager svgman, ProjectManager.View view, ResourceManager resM)
: base(site)
{
FerdaConstants constants = new FerdaConstants();
//filling the node
this.box = box;
this.svgManager = svgman;
this.ResManager = resM;
//determining the size
Rectangle = new RectangleF(0, 0, constants.KrabickaWidth, constants.KrabickaHeight);
//adding the output connector
//it is not a FerdaConnector, because the box has no socket defined
outputConnector = new Connector(this, ResManager.GetString("PropertiesOutputConnector"), true);
Connectors.Add(outputConnector);
outputConnector.ConnectorLocation = ConnectorLocations.East;
//adding the input connectors
inputConnectors = new ConnectorCollection();
for (int i = 0; i < box.Sockets.Length; i++)
{
bool packed = view.IsAnyBoxPackedIn(box, box.Sockets[i].name);
inputConnectors.Add(
new FerdaConnector(this, svgManager, box.Sockets[i], packed));
Connectors.Add(inputConnectors[i]);
inputConnectors[i].ConnectorLocation = ConnectorLocations.West;
}
//getting the bitmap
bitmap = svgManager.GetBoxBitmap(box);
//setting the view
this.view = view;
//adding the moving handler
OnMouseDown += new MouseEventHandler(BoxNode_OnMouseDown);
OnMouseUp += new MouseEventHandler(BoxNode_OnMouseUp);
Resizable = false;
this.Text = box.UserName;
//using a smaller font - we have big labels
mFont = new Font(mFontFamily, 7, FontStyle.Regular, GraphicsUnit.Point);
}
