public void AddEdge(GraphEdge edge) {
_edges.Add(edge);
edge.FromNode.AddEdge(edge);
edge.ToNode.AddEdge(edge);
if (_updating == false) {
RaiseChangedEvent();
}
else {
_updated = true;
}
}
public void AddEdge(GraphEdge edge)
{
_edges.Add(edge);
edge.FromNode.AddEdge(edge);
edge.ToNode.AddEdge(edge);
if (_updating == false)
{
RaiseChangedEvent();
}
else
{
_updated = true;
}
}
public void RemoveEdge(GraphEdge edge)
{
edge.FromNode.RemoveEdge(edge);
edge.ToNode.RemoveEdge(edge);
_edges.Remove(edge);
if (_updating == false)
{
RaiseChangedEvent();
}
else
{
_updated = true;
}
}
private void RelaxEdge(GraphEdge edge) {
// Pull nodes closes together by 'relaxing' each edge
double vx = edge.ToNode.x - edge.FromNode.x;
double vy = edge.ToNode.y - edge.FromNode.y;
double distance = Math.Sqrt(vx * vx + vy * vy);
// Rigidity makes edges tighter
double dx = vx * _rigidity;
double dy = vy * _rigidity;
int div = edge.Length * 100;
dx = dx / div;
dy = dy / div;
// Edges pull directly in proportion to the distance between the nodes. This is good,
// because we want the edges to be stretchy. The edges are ideal rubberbands. They
// They don't become springs when they are too short. That only causes the graph to
// oscillate.
edge.ToNode.dx = edge.ToNode.dx - dx * distance;
edge.ToNode.dy = edge.ToNode.dy - dy * distance;
edge.FromNode.dx = edge.FromNode.dx + dx * distance;
edge.FromNode.dy = edge.FromNode.dy + dy * distance;
}
internal void RemoveEdge(GraphEdge edge)
{
_edges.Remove(edge);
}
internal void AddEdge(GraphEdge edge)
{
_edges.Add(edge);
}
internal void RemoveEdge(GraphEdge edge) {
_edges.Remove(edge);
}
internal void AddEdge(GraphEdge edge) {
_edges.Add(edge);
}
private static void UpdatePhotos(bool newPhotos) {
if (newPhotos) {
if (_mapEntities != null) {
_map.Entities.Remove(_mapEntities);
}
_mapEntities = new MapEntityCollection();
_map.Entities.Push(_mapEntities);
_photoViews = new Dictionary<string, PhotoView>();
}
if (_model.Photos.Count == 0) {
Document.Body.ClassName = MapModeClassName;
return;
}
Document.Body.ClassName = PhotosModeClassName;
_graph = new Graph();
_model.Photos.ForEach(delegate(Photo photo) {
MapLocation location = new MapLocation(photo.latitude, photo.longitude);
MapPoint point = _map.TryLocationToPixel(location, MapPointReference.Control);
PhotoView photoView;
if (newPhotos) {
MapPolylineOptions connectorOptions = new MapPolylineOptions();
connectorOptions.StrokeColor = new MapColor(255, 0x4E, 0xD3, 0x4E);
connectorOptions.StrokeThickness = 2;
MapInfoboxOptions calloutOptions = new MapInfoboxOptions();
calloutOptions.Width = 50;
calloutOptions.Height = 50;
calloutOptions.ShowPointer = false;
calloutOptions.ShowCloseButton = false;
calloutOptions.Offset = new MapPoint(-25, -25);
calloutOptions.HtmlContent =
"<div class=\"photoInfobox\" style=\"background-image: url(" + photo.thumbnailUrl + ")\"" +
" title=\"" + photo.title.HtmlEncode() + "\"></div>";
calloutOptions.Visible = true;
MapPushpinOptions pushpinOptions = new MapPushpinOptions();
pushpinOptions.Icon = "Dot.png";
pushpinOptions.Width = 10;
pushpinOptions.Height = 10;
pushpinOptions.Anchor = new MapPoint(5, 5);
pushpinOptions.TypeName = "locationPushpin";
photoView = new PhotoView();
photoView.pushpin = new MapPushpin(location, pushpinOptions);
photoView.connector = new MapPolyline(new MapLocation[] { location, location }, connectorOptions);
photoView.callout = new MapInfobox(location, calloutOptions);
photoView.callout.Data = photo;
_photoViews[photo.id] = photoView;
_mapEntities.Insert(photoView.connector, 0);
_mapEntities.Insert(photoView.callout, 0);
_mapEntities.Insert(photoView.pushpin, 0);
MapEvents.AddHandler(photoView.callout, "click", delegate(MapEventArgs e) {
ShowPhoto(photo);
});
}
else {
photoView = _photoViews[photo.id];
}
photoView.pushpinNode = new GraphNode();
photoView.pushpinNode.x = point.X;
photoView.pushpinNode.y = point.Y;
photoView.pushpinNode.moveable = false;
photoView.calloutNode = new GraphNode();
photoView.calloutNode.x = point.X;
photoView.calloutNode.y = point.Y;
GraphEdge connectorEdge = new GraphEdge(photoView.pushpinNode,
photoView.calloutNode,
10 + Math.Random() * 15);
_graph.AddNode(photoView.pushpinNode);
_graph.AddNode(photoView.calloutNode);
_graph.AddEdge(connectorEdge);
});
Window.SetTimeout(UpdateLayout, 30);
}
public void RemoveEdge(GraphEdge edge) {
edge.FromNode.RemoveEdge(edge);
edge.ToNode.RemoveEdge(edge);
_edges.Remove(edge);
if (_updating == false) {
RaiseChangedEvent();
}
else {
_updated = true;
}
}
