/**
* Returns the value to assign to the otherEnd variable.
*
* @return the end of the Edge before reconnection that is not represented by the SourceView
* variable
*/
protected Object getOtherEndValue() {
// If the reconnectionSource is equals to the sourceNode of the edge
if (edge.getSourceNode().equals(reconnectionSource)) {
// The other end will be the target node
return edge.getTargetNode();
} else {
return edge.getSourceNode();
}
}
/**
* Construct a new Reconnection command builder.
*
* @param tool the reconnection tool
* @param edge the edge which is reconnected
* @param source the source of the reconnection
* @param target the target of the reconnection
*/
public ReconnectionCommandBuilder(
final ReconnectEdgeDescription tool,
final DEdge edge,
final EdgeTarget source,
final EdgeTarget target) {
this.tool = tool;
this.edge = edge;
this.reconnectionSource = source;
this.reconnectionTarget = target;
this.oldTarget = edge.getTargetNode();
this.oldSource = edge.getSourceNode();
}
/**
* Generic service used to process treatments on a reconnect. The processing has to be defined by
* overriding the corresponding caseXXX.
*
* @param context Element attached to the existing edge
* @param edgeView Represents the graphical new edge
* @param sourceView Represents the graphical element pointed by the edge before reconnecting
* @param targetView Represents the graphical element pointed by the edge after reconnecting
* @param source Represents the semantic element pointed by the edge before reconnecting
* @param target Represents the semantic element pointed by the edge after reconnecting
* @return the Element attached to the edge once it has been modified
*/
public Element reconnectEdge(
Element context,
DEdge edgeView,
EdgeTarget sourceView,
EdgeTarget targetView,
Element source,
Element target) {
final ReconnectSwitch reconnectService = new ReconnectSwitch();
// The edge view represents the new graphical edge
// with testing of its source and target nodes we can
// know if the user reconnected the source or the target of the edge
if (edgeView.getSourceNode().equals(sourceView)) {
reconnectService.setReconnectKind(ReconnectSwitch.RECONNECT_SOURCE);
} else {
reconnectService.setReconnectKind(ReconnectSwitch.RECONNECT_TARGET);
}
reconnectService.setOldPointedElement(source);
reconnectService.setNewPointedElement(target);
reconnectService.setEdgeToReconnect(edgeView);
return reconnectService.doSwitch(context);
}