public List debugLastStates() {
List states = new ArrayList();
Set set = machine.getStateSet();
if (set.isEmpty()) set = machine.getStartStates();
Iterator iterator = set.iterator();
while (iterator.hasNext()) {
states.add(getState((String) iterator.next()));
}
return states;
}
public String check(String s) {
String error = machine.check();
if (error != null) {
JOptionPane.showMessageDialog(
null,
Localized.getString("faCannotStart") + "\n" + error,
Localized.getString("error"),
JOptionPane.INFORMATION_MESSAGE,
null);
return null;
}
if (s == null)
s =
(String)
JOptionPane.showInputDialog(
null,
Localized.getString("faParseString"),
Localized.getString("faStartTitle"),
JOptionPane.QUESTION_MESSAGE,
null,
null,
null);
return s;
}
public void debugReset(String s) {
String r = check(s);
if (r == null) return;
state = STATE_READY;
machine.debugReset(r);
}
public boolean createLink(
GElementFAState source,
String sourceAnchorKey,
GElementFAState target,
String targetAnchorKey,
int shape,
Point mouse) {
String pattern =
(String)
JOptionPane.showInputDialog(
null,
Localized.getString("faNewLinkMessage"),
Localized.getString("faNewLinkTitle"),
JOptionPane.QUESTION_MESSAGE,
null,
null,
null);
if (pattern != null) {
machine.addTransitionPattern(source.state.name, pattern, target.state.name);
addElement(
new GLink(
source,
sourceAnchorKey,
target,
targetAnchorKey,
shape,
pattern,
mouse,
GView.DEFAULT_LINK_FLATENESS));
}
return pattern != null;
}
public List debugLastTransitions() {
List transitions = new ArrayList();
Iterator iterator = machine.getLastTransitionSet().iterator();
while (iterator.hasNext()) {
transitions.add(getTransition((FATransition) iterator.next()));
}
return transitions;
}
public void reconstruct() {
elements.clear();
List stateNames = machine.getStateList();
ListIterator iterator = stateNames.listIterator(stateNames.size());
int x = 0;
int y = 0;
while (iterator.hasPrevious()) {
addElement(new GElementFAState((FAState) iterator.previous(), 100 + x * 200, 50 + y * 200));
x++;
if (x > 4) {
y++;
x = 0;
}
}
List transitions = machine.getTransitions().getTransitions();
iterator = transitions.listIterator();
while (iterator.hasNext()) {
FATransition transition = (FATransition) iterator.next();
GElementFAState s1 = getState(transition.s1);
GElementFAState s2 = s1;
if (transition.s1.equals(transition.s2) == false) s2 = getState(transition.s2);
GLink link = getLink(s1, s2);
if (link == null)
addElement(
new GLink(
s1,
GElementFAState.ANCHOR_CENTER,
s2,
GElementFAState.ANCHOR_CENTER,
GLink.SHAPE_ARC,
transition.symbol,
20));
else link.pattern = Tool.addSymbolToPattern(link.pattern, transition.symbol);
}
}
/**
* Called to convert FSM to LaTeX code. Once the Latex is generated, a popup window is created
* from within the function.
*/
public void toLatex() {
List<FATransition> transitions = machine.getTransitionList();
String latex = "\\begin{tikzpicture}[shorten >=1pt, node distance = 2.5cm, auto]\n";
// Following block is for state data
// TODO Insert positioning data
List<GElementFAState> nodes = getStates();
Vector2D scale = getScaleFactor(nodes);
// latex += "minX " + this.left + " minY " + this.bottom + " maxX " +
// this.right + " maxY " + this.top;
latex += nodesToLatex(nodes, scale);
Iterator<FATransition> it = transitions.iterator();
List<String> transitionToLatex = new LinkedList();
while (it.hasNext()) {
FATransition transition = it.next();
int node1 = getLatexId(transition.s1);
int node2 = getLatexId(transition.s2);
String s = new String();
s = "\t\t(q" + node1 + ")";
if (node1 == node2) {
s += "\tedge [loop] node {" + transition.symbol + "}";
} else {
s += "\tedge node {" + transition.symbol + "}";
}
s += " (q" + node2 + ")";
transitionToLatex.add(s);
}
latex += "\\path[->]";
for (String s : transitionToLatex) {
latex += "\n" + s;
}
latex += ";\n";
// End the LaTeX FA element
latex += "\\end{tikzpicture}";
LaTexWindow w = new LaTexWindow(latex);
w.setVisible(true);
}
public void removeState(GElementFAState s) {
machine.removeState(s.state);
removeElement(s);
// Remove any other link which is using the state s
ListIterator e = elements.listIterator();
while (e.hasNext()) {
GElement element = (GElement) e.next();
if (element.getClass().equals(GLink.class)) {
GLink link = (GLink) element;
if (link.source == s || link.target == s) {
removeElement(link);
e = elements.listIterator();
}
}
}
}
public void run(String s) {
s = check(s);
if (s == null) return;
if (machine.accept(s))
JOptionPane.showMessageDialog(
null,
Localized.getString("faAcceptString"),
Localized.getString("automaton"),
JOptionPane.INFORMATION_MESSAGE,
null);
else
JOptionPane.showMessageDialog(
null,
Localized.getString("faRejectString"),
Localized.getString("automaton"),
JOptionPane.ERROR_MESSAGE,
null);
}
public boolean editLink(GLink link) {
String pattern =
(String)
JOptionPane.showInputDialog(
null,
Localized.getString("faEditLinkMessage"),
Localized.getString("faEditLinkTitle"),
JOptionPane.QUESTION_MESSAGE,
null,
null,
link.pattern);
if (pattern != null) {
removeLink(link);
link.pattern = pattern;
machine.addTransitionPattern(
getState1(link).state.name, link.pattern, getState2(link).state.name);
addElement(link);
}
return pattern != null;
}
public void addStateAtXY(String s, double x, double y) {
FAState state = new FAState(s);
machine.addState(state);
addElement(new GElementFAState(state, x, y));
}
public Object[] getSymbols() {
return machine.getSymbols().toArray();
}
public void clear() {
machine.clear();
elements.clear();
}
public void debugStepForward() {
if (machine.debugStepForward()) state = STATE_PAUSED;
else state = STATE_STOPPED;
}
public void removeLink(GLink link) {
removeElement(link);
machine.removeTransitionPattern(
getState1(link).state.name, link.pattern, getState2(link).state.name);
}