public void toggleStartState(GElementFAState state) {
if (state.isStart() == false) {
Iterator iterator = elements.iterator();
while (iterator.hasNext()) {
GElement element = (GElement) iterator.next();
if (element instanceof GElementFAState) {
((GElementFAState) element).setStart(false);
}
}
}
state.toggleStart();
}
/**
* @param name The name of the state / node
* @return Index of the state with the given name
*/
private Integer getLatexId(String name) {
// List <FAState> states = machine.getStateList();
List<GElementFAState> states = getStates();
int i = 0;
for (GElementFAState a : states) {
if (a.getLabel().equals(name)) return i;
i++;
}
java.lang.System.err.print("Error getting transition node ID");
java.lang.System.exit(1);
return 0;
}
/**
* @param states - List of geometric nodes (GElementFAState) for all nodes in the FA
* @param scale - Vector2D of X scale and Y scale factors
* @return The string that contains all of the node declarations and positioning information
*/
private String nodesToLatex(List<GElementFAState> states, Vector2D scale) {
List<String> latexNodes = new LinkedList<String>();
int i = 0;
for (GElementFAState a : states) {
String latexOneNode = "";
String name = a.getState().name;
String id = "q" + i;
i += 1;
FAState state = a.getState();
latexOneNode += "\\node";
if (state.isAccepted() && state.isStart()) {
latexOneNode += " [state, initial, accepting]";
} else if (state.isStart()) {
latexOneNode += " [state, initial]";
} else if (state.isAccepted()) {
latexOneNode += " [state, accepting]";
} else {
latexOneNode += " [state]";
}
int x_pos = (int) ((a.getPositionX() - this.left) / scale.getX());
int y_pos = (int) ((a.getPositionY() - this.top) / scale.getY());
y_pos *= -1;
latexOneNode += " (" + id + ")";
latexOneNode += " at (" + x_pos + "," + y_pos + ")";
latexOneNode += " {" + name + "};";
latexNodes.add(latexOneNode);
}
String s = "";
for (String a : latexNodes) s += a + "\n";
return s;
}
public Vector2D getScaleFactor(List<GElementFAState> states) {
double minX, minY, maxX, maxY;
double scaleX, scaleY;
Iterator<GElementFAState> iterator = states.iterator();
if (iterator.hasNext()) {
GElementFAState node = iterator.next();
minX = node.getPositionX();
maxX = minX;
minY = node.getPositionY();
maxY = minY;
while (iterator.hasNext()) {
node = iterator.next();
if (node.getPositionX() < minX) {
minX = node.getPositionX();
} else if (node.getPositionX() > maxX) {
maxX = node.getPositionX();
}
if (node.getPositionY() < minY) {
minY = node.getPositionY();
} else if (node.getPositionY() > maxY) {
maxY = node.getPositionY();
}
}
this.top = (int) minY;
this.left = (int) minX;
this.right = (int) maxX;
this.bottom = (int) maxY;
scaleX = ((maxX - minX) / 13);
scaleY = ((maxY - minY) / 10);
} else {
scaleX = 100;
scaleY = 100;
}
return new Vector2D(scaleX, scaleY);
}