static Point ComputeLocation(Node node1, Node node2)
{
// Initially set the location to the center of the first node.
Point loc = new Point
{
X = node1.LocationX + node1.NodeWidth / 2,
Y = node1.LocationY + node1.NodeHeight / 2
};
bool overlapY = Math.Abs(node1.LocationY - node2.LocationY) < node1.NodeHeight;
if(!overlapY)
{
bool above = node1.LocationY < node2.LocationY;
if(above)
loc.Y += node1.NodeHeight / 2;
else
loc.Y -= node1.NodeHeight / 2;
}
bool overlapX = Math.Abs(node1.LocationX - node2.LocationX) < node1.NodeWidth;
if(!overlapX)
{
bool left = node1.LocationX < node2.LocationX;
if(left)
loc.X += node1.NodeWidth / 2;
else
loc.X -= node1.NodeWidth / 2;
}
return loc;
}
void AddConnector(Node startNode, Node endNode)
{
var connector = new NodeConnector(startNode, endNode);
_nodeConnectors.Add(connector);
// Add the connector to the visual and logical tree so that
// rendering and resource inheritance will work properly.
AddVisualChild(connector);
AddLogicalChild(connector);
}
public NodeConnector(Node startNode, Node endNode)
{
_startNode = startNode;
_endNode = endNode;
SetIsPartOfCircularDependency();
SetToolTip();
UpdateLocations(false);
startNode.PropertyChanged += StartNodePropertyChanged;
endNode.PropertyChanged += EndNodePropertyChanged;
}
public void Node_ToString_WhenNotBroken_ExpectStringNode()
{
//------------Setup for test--------------------------
var node = new Node("Node 1", 100, 100, false, false);
const string expected = @"<node id=""Node 1"" x=""100"" y=""100"" broken=""False""></node>";
//------------Execute Test---------------------------
var result = node.ToString();
//------------Assert Results-------------------------
StringAssert.Contains(result, expected);
}
public void Node_ToString_WhenNodeContainsDependencies_ExpectStringNodeWithDependenices()
{
//------------Setup for test--------------------------
var node = new Node("Node 1", 100, 100, true, true);
node.NodeDependencies.Add(new Node("Dependant Node",200,100,false,false));
const string expected = @"<node id=""Node 1"" x=""100"" y=""100"" broken=""True""><dependency id=""Dependant Node"" /></node>";
//------------Execute Test---------------------------
var result = node.ToString();
//------------Assert Results-------------------------
StringAssert.Contains(result, expected);
}
public NodeInfo(Node node)
{
Node = node;
_index = 0;
}