/// <summary>
/// calculates the restore data
/// </summary>
/// <returns></returns>
public static RestoreData GetRestoreData(GeometryObject geometryObject)
{
Node node = geometryObject as Node;
if (node != null)
{
return GetRestoreData(node);
}
Edge edge = geometryObject as Edge;
if (edge != null)
{
return GetRestoreData(edge);
}
Label label = geometryObject as Label;
if (label != null)
{
return GetRestoreData(label);
}
GeometryGraph graph = geometryObject as GeometryGraph;
if (graph != null)
{
return GetRestoreData(graph);
}
return null;
}
/// <summary>
/// Constructor
/// </summary>
///<param name="labelWidth">width</param>
///<param name="labelHeight">height</param>
///<param name="parentP">the corresponding edge</param>
public Label(double labelWidth, double labelHeight, GeometryObject parentP)
{
Width = labelWidth;
Height = labelHeight;
GeometryParent = parentP;
PlacementStrategyPriority = new[] { PlacementStrategy.AlongCurve, PlacementStrategy.Horizontal };
}
internal Label(GeometryObject parentPar) {
GeometryParent = parentPar;
}
/// <summary>
/// Constructor
/// </summary>
///<param name="labelWidth">width</param>
///<param name="labelHeight">height</param>
///<param name="parentP">the corresponding edge</param>
public Label(double labelWidth, double labelHeight, GeometryObject parentP) {
Width = labelWidth;
Height = labelHeight;
GeometryParent = parentP;
PlacementStrategyPriority = new[] {PlacementStrategy.AlongCurve, PlacementStrategy.Horizontal};
}
internal Label(GeometryObject parentPar)
{
GeometryParent = parentPar;
}
static EdgeGeometry CreateEdgeGeometryForSelfEdge(GeometryObject geometryGraph, GeometryNode node) {
var tempEdge = new Core.Layout.Edge(node, node)
{
GeometryParent = geometryGraph,
SourcePort =
new FloatingPort(node.BoundaryCurve, node.Center),
TargetPort =
new FloatingPort(node.BoundaryCurve, node.Center),
EdgeGeometry = { TargetArrowhead = new Arrowhead() }
};
StraightLineEdges.CreateSimpleEdgeCurveWithUnderlyingPolyline(tempEdge);
return tempEdge.EdgeGeometry;
}
void UpdateGraphBoundingBoxWithCheck(GeometryObject geomObj) {
var cl = geomObj as Cluster;
Rectangle bBox = cl != null ? cl.BoundaryCurve.BoundingBox : geomObj.BoundingBox;
{
var edge = geomObj as GeomEdge;
if (edge != null && edge.Label != null)
bBox.Add(edge.Label.BoundingBox);
}
var p = new Point(-Graph.Margins, Graph.Margins);
Rectangle bounds = Graph.BoundingBox;
GraphBoundingBoxGetsExtended |= bounds.AddWithCheck(bBox.LeftTop + p);
GraphBoundingBoxGetsExtended |= bounds.AddWithCheck(bBox.RightBottom - p);
Graph.BoundingBox = bounds;
}
static void ShiftDragEdge(Point delta, GeometryObject geomObj) {
var edge = geomObj as GeomEdge;
if (edge != null)
edge.Translate(delta);
else {
var label = geomObj as GeomLabel;
if (label != null)
DragLabel(label, delta);
else
throw new NotImplementedException();
}
}
void ReadLabelFromAttribute(GeometryObject geomObj) {
string str;
if (!TryGetAttribute(GeometryToken.Label, out str)) return;
var label = new Label(geomObj);
Point center;
double width, height;
ParseLabel(str, out center, out width, out height);
label.Center = center;
label.Width = width;
label.Height = height;
var edge = geomObj as Edge;
if (edge != null) {
edge.Label = label;
}
}
internal void AddRestoreData(GeometryObject msaglObject, RestoreData restoreData) {
lock (restoreData)
restoreDataDictionary[msaglObject] = restoreData;
}
internal RestoreData GetRestoreData(GeometryObject msaglObject) {
return restoreDataDictionary[msaglObject];
}
internal static GeometryGraph GetParentGraph(GeometryObject geomObj) {
do {
GeometryGraph graph = geomObj.GeometryParent as GeometryGraph;
if (graph != null)
return graph;
geomObj = geomObj.GeometryParent;
} while (true);
}
