+ callback = self.current_dialog.callback
+
+ retval = self.current_dialog.returnValue
+
+ if self.current_dialog.isTmp:
+ self.current_dialog.doClose()
+# dump(self.current_dialog)
+ del self.current_dialog
+ else:
+ del self.current_dialog.callback
+
+ self.popCurrent()
+ if callback is not None:
+ callback(*retval)
+
+ def execBegin(self, first=True):
+ assert not self.in_exec
+ self.in_exec = True
+ c = self.current_dialog
+
+ # when this is an execbegin after a execend of a "higher" dialog,
+ # popSummary already did the right thing.
+ if first:
+ self.pushSummary()
+ summary = c.createSummary() or SimpleSummary
+ self.summary = self.instantiateSummaryDialog(summary, c)
+ self.summary.show()
+ c.addSummary(self.summary)
+
+ c.execBegin()
+
+ # when execBegin opened a new dialog, don't bother showing the old one.
+ if c == self.current_dialog:
+ c.show()
+
+ def execEnd(self, last=True):
+ assert self.in_exec
+ self.in_exec = False
+
+ self.current_dialog.execEnd()
+ self.current_dialog.hide()
+
+ if last:
+ self.current_dialog.removeSummary(self.summary)
+ self.popSummary()
+
+ def create(self, screen, arguments, **kwargs):
+ # creates an instance of 'screen' (which is a class)
+ try:
+ return screen(self, *arguments, **kwargs)
+ except:
+ errstr = "Screen %s(%s, %s): %s" % (str(screen), str(arguments), str(kwargs), sys.exc_info()[0])
+ print errstr
+ traceback.print_exc(file=sys.stdout)
+ quitMainloop(5)
+
+ def instantiateDialog(self, screen, *arguments, **kwargs):
+ return self.doInstantiateDialog(screen, arguments, kwargs, self.desktop)
+
+ def deleteDialog(self, screen):
+ screen.hide()
+ screen.doClose()
+
+ def instantiateSummaryDialog(self, screen, *arguments, **kwargs):
+ return self.doInstantiateDialog(screen, arguments, kwargs, self.summary_desktop)
+
+ def doInstantiateDialog(self, screen, arguments, kwargs, desktop):
+ # create dialog
+
+ try:
+ dlg = self.create(screen, arguments, **kwargs)
+ except:
+ print 'EXCEPTION IN DIALOG INIT CODE, ABORTING:'
+ print '-'*60
+ traceback.print_exc(file=sys.stdout)
+ quitMainloop(5)
+ print '-'*60