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Allow opening statepoint files when one is already open #177

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Merged
paulromano merged 3 commits into from
Jul 9, 2026
Merged

Allow opening statepoint files when one is already open #177

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47a56c2
Allow opening statepoint files when one is already open
pshriwise Mar 8, 2026
736c694
Remove test
paulromano Jul 9, 2026
d3b64b0
Better handling of exception when loading statepoint
paulromano Jul 9, 2026
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30 changes: 17 additions & 13 deletions openmc_plotter/main_window.py
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Original file line number Diff line number Diff line change
Expand Up @@ -582,31 +582,34 @@ def openView(self):
self.loadViewFile(filename)

def openStatePoint(self):
# check for an alread-open statepoint
# confirm replacement when a statepoint is already open
if self.model.statepoint:
msg_box = QMessageBox()
msg_box.setText("Please close the current statepoint file before "
"opening a new one.")
msg_box = QMessageBox(self)
msg_box.setText("A statepoint file is currently open. Continue to "
"close it and open a new one?")
msg_box.setIcon(QMessageBox.Information)
msg_box.setStandardButtons(QMessageBox.Ok)
msg_box.exec()
return
msg_box.setStandardButtons(QMessageBox.Yes | QMessageBox.Cancel)
msg_box.setDefaultButton(QMessageBox.Cancel)
msg_box.button(QMessageBox.Yes).setText("Continue")
if msg_box.exec() != QMessageBox.Yes:
return
self.closeStatePoint()
filename, ext = QFileDialog.getOpenFileName(self, "Open StatePoint",
".", "*.h5")
if filename:
try:
self.model.openStatePoint(filename)
message = 'Opened statepoint file: {}'
except (FileNotFoundError, OSError):
message = 'Error opening statepoint file: {}'
message = f'Opened statepoint file: {filename}'
except Exception as e:
message = f'Error opening statepoint file: {filename}'
msg_box = QMessageBox()
msg = "Could not open statepoint file: \n\n {} \n"
msg_box.setText(msg.format(filename))
msg = f"Could not open statepoint file:\n{filename}\n\n{e}"
msg_box.setText(msg)
msg_box.setIcon(QMessageBox.Warning)
msg_box.setStandardButtons(QMessageBox.Ok)
msg_box.exec()
finally:
self.statusBar().showMessage(message.format(filename), 5000)
self.statusBar().showMessage(message, 5000)
self.updateDataMenu()
self.tallyPanel.update()

Expand Down Expand Up @@ -635,6 +638,7 @@ def importProperties(self):
def closeStatePoint(self):
# remove the statepoint object and update the data menu
filename = self.model.statepoint.filename
self.model.statepoint.close()
self.model.statepoint = None
self.model.currentView.selectedTally = None
self.model.activeView.selectedTally = None
Expand Down
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