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Fixed Crash on Missing Name & State of Fixed State Machine on Run. #25

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Fixed Crash on Missing Name & State of Fixed State Machine on Run. #25

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16 changes: 16 additions & 0 deletions src/jls/elem/StateMachine.java
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Original file line number Diff line number Diff line change
Expand Up @@ -809,6 +809,7 @@ private class StateEditor extends JDialog
private Point movingPoint;
private boolean nameChange;
private StateMachine machine;
private boolean creating;

/**
* Set up create dialog window.
Expand All @@ -824,6 +825,7 @@ private StateEditor(StateMachine machine, boolean creating) {
// save reference to me
currentDialog = this;
this.machine = machine;
this.creating = creating;

// set not canceled
canceled = false;
Expand Down Expand Up @@ -1058,6 +1060,20 @@ public void actionPerformed(ActionEvent event) {
else {
nameChange = true;
}
if (creating) {
String message = "";
if (states.isEmpty() && name.trim().isEmpty()) {
message = "You need a name and at least one state.";
} else if (states.isEmpty()) {
message = "You need at least one state.";
} else if (name.trim().isEmpty()) {
message = "You need a name.";
}
if (!message.isEmpty()) {
JOptionPane.showMessageDialog(this, message, "Error", JOptionPane.ERROR_MESSAGE);
return;
}
}
dispose();
}
else if (event.getSource() == cancel) {
Expand Down