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Diffstat (limited to 'dispatch.py')
| -rw-r--r-- | dispatch.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/dispatch.py b/dispatch.py index 505c56a63..6499f0824 100644 --- a/dispatch.py +++ b/dispatch.py @@ -109,6 +109,16 @@ class Dispatcher: self.dir = 1 self.moveStep() + def canGoBack(self): + # begin with the step before this one. If all steps are skipped, + # we can not go backwards from this screen + i = self.step - 1 + while i >= self.firstStep: + if not self.skipSteps.has_key(installSteps[i][0]): + return 1 + i = i - 1 + return 0 + def setStepList(self, *steps): # only remove non-permanently skipped steps from our skip list for step, state in self.skipSteps.items(): |