/**
* This method is called when the user has created manually an edge in the graph, by dragging a
* link between two spot cells. It checks whether the matching edge in the model exists, and tune
* what should be done accordingly.
*
* @param cell the mxCell of the edge that has been manually created.
*/
protected void addEdgeManually(mxCell cell) {
if (cell.isEdge()) {
final mxIGraphModel graphModel = graph.getModel();
cell.setValue("New");
model.beginUpdate();
graphModel.beginUpdate();
try {
Spot source = graph.getSpotFor(cell.getSource());
Spot target = graph.getSpotFor(cell.getTarget());
if (DEBUG) {
System.out.println(
"[TrackScheme] #addEdgeManually: edge is between 2 spots belonging to the same frame. Removing it.");
System.out.println(
"[TrackScheme] #addEdgeManually: adding edge between source "
+ source
+ " at frame "
+ source.getFeature(Spot.FRAME).intValue()
+ " and target "
+ target
+ " at frame "
+ target.getFeature(Spot.FRAME).intValue());
}
if (Spot.frameComparator.compare(source, target) == 0) {
// Prevent adding edges between spots that belong to the same frame
if (DEBUG) {
System.out.println(
"[TrackScheme] addEdgeManually: edge is between 2 spots belonging to the same frame. Removing it.");
}
graph.removeCells(new Object[] {cell});
} else {
// We can add it to the model
// Put them right in order: since we use a oriented graph,
// we want the source spot to precede in time.
if (Spot.frameComparator.compare(source, target) > 0) {
if (DEBUG) {
System.out.println(
"[TrackScheme] #addEdgeManually: Source "
+ source
+ " succeed target "
+ target
+ ". Inverting edge direction.");
}
Spot tmp = source;
source = target;
target = tmp;
}
// We add a new jGraphT edge to the underlying model, if it does not exist yet.
DefaultWeightedEdge edge = model.getTrackModel().getEdge(source, target);
if (null == edge) {
edge = model.addEdge(source, target, -1);
if (DEBUG) {
System.out.println(
"[TrackScheme] #addEdgeManually: Creating new edge: " + edge + ".");
}
} else {
// Ah. There was an existing edge in the model we were trying to re-add there, from the
// graph.
// We remove the graph edge we have added,
if (DEBUG) {
System.out.println("[TrackScheme] #addEdgeManually: Edge pre-existed. Retrieve it.");
}
graph.removeCells(new Object[] {cell});
// And re-create a graph edge from the model edge.
cell = graph.addJGraphTEdge(edge);
cell.setValue(String.format("%.1f", model.getTrackModel().getEdgeWeight(edge)));
// We also need now to check if the edge belonged to a visible track. If not,
// we make it visible.
int ID = model.getTrackModel().trackIDOf(edge);
// This will work, because track indices will be reprocessed only after the
// graphModel.endUpdate()
// reaches 0. So now, it's like we are dealing with the track indices priori to
// modification.
if (model.getTrackModel().isVisible(ID)) {
if (DEBUG) {
System.out.println(
"[TrackScheme] #addEdgeManually: Track was visible. Do nothing.");
}
} else {
if (DEBUG) {
System.out.println(
"[TrackScheme] #addEdgeManually: Track was invisible. Make it visible.");
}
importTrack(ID);
}
}
graph.mapEdgeToCell(edge, cell);
}
} finally {
graphModel.endUpdate();
model.endUpdate();
selectionModel.clearEdgeSelection();
}
}
}
/**
* Create links between all the spots currently in the {@link Model} selection. We update
* simultaneously the {@link Model} and the {@link JGraphXAdapter}.
*/
public void linkSpots() {
// Sort spots by time
TreeMap<Integer, Spot> spotsInTime = new TreeMap<Integer, Spot>();
for (Spot spot : selectionModel.getSpotSelection()) {
spotsInTime.put(spot.getFeature(Spot.FRAME).intValue(), spot);
}
// Find adequate column
int targetColumn = getUnlaidSpotColumn();
// Then link them in this order
model.beginUpdate();
graph.getModel().beginUpdate();
try {
Iterator<Integer> it = spotsInTime.keySet().iterator();
Integer previousTime = it.next();
Spot previousSpot = spotsInTime.get(previousTime);
// If this spot belong to an invisible track, we make it visible
Integer ID = model.getTrackModel().trackIDOf(previousSpot);
if (ID != null && !model.getTrackModel().isVisible(ID)) {
importTrack(ID);
}
while (it.hasNext()) {
Integer currentTime = it.next();
Spot currentSpot = spotsInTime.get(currentTime);
// If this spot belong to an invisible track, we make it visible
ID = model.getTrackModel().trackIDOf(currentSpot);
if (ID != null && !model.getTrackModel().isVisible(ID)) {
importTrack(ID);
}
// Check that the cells matching the 2 spots exist in the graph
mxICell currentCell = graph.getCellFor(currentSpot);
if (null == currentCell) {
currentCell = insertSpotInGraph(currentSpot, targetColumn);
if (DEBUG) {
System.out.println(
"[TrackScheme] linkSpots: creating cell "
+ currentCell
+ " for spot "
+ currentSpot);
}
}
mxICell previousCell = graph.getCellFor(previousSpot);
if (null == previousCell) {
int frame = previousSpot.getFeature(Spot.FRAME).intValue();
int column = Math.max(targetColumn, getNextFreeColumn(frame));
rowLengths.put(frame, column);
previousCell = insertSpotInGraph(previousSpot, column);
if (DEBUG) {
System.out.println(
"[TrackScheme] linkSpots: creating cell "
+ previousCell
+ " for spot "
+ previousSpot);
}
}
// Check if the model does not have already a edge for these 2 spots (that is
// the case if the 2 spot are in an invisible track, which track scheme does not
// know of).
DefaultWeightedEdge edge = model.getTrackModel().getEdge(previousSpot, currentSpot);
if (null == edge) {
// We create a new edge between 2 spots, and pair it with a new cell edge.
edge = model.addEdge(previousSpot, currentSpot, -1);
mxCell cell = (mxCell) graph.addJGraphTEdge(edge);
cell.setValue("New");
} else {
// We retrieve the edge, and pair it with a new cell edge.
mxCell cell = (mxCell) graph.addJGraphTEdge(edge);
cell.setValue(String.format("%.1f", model.getTrackModel().getEdgeWeight(edge)));
// Also, if the existing edge belonged to an existing invisible track, we make it visible.
ID = model.getTrackModel().trackIDOf(edge);
if (ID != null && !model.getTrackModel().isVisible(ID)) {
importTrack(ID);
}
}
previousSpot = currentSpot;
}
} finally {
graph.getModel().endUpdate();
model.endUpdate();
}
}