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"""Implements the volume editor."""
import wx
class VolumeDialog(wx.Dialog):
"""Get the new volume."""
def __init__(self, parent):
"""Construct."""
wx.Dialog.__init__(self, parent, -1, 'Edit volume.')
# Buttons.
okButton = wx.Button(self, wx.ID_OK, 'OK')
okButton.SetDefault()
cancelButton = wx.Button(self, wx.ID_CANCEL, 'Cancel')
buttons = wx.BoxSizer(wx.HORIZONTAL)
buttons.Add(okButton, 0, wx.ALIGN_RIGHT, 5)
buttons.Add(cancelButton, 0, wx.ALIGN_RIGHT, 5)
sizer = wx.BoxSizer(wx.VERTICAL)
# Volume.
sizer.Add(wx.StaticText(self, -1, 'Enter the new volume in liters.'),
0, wx.ALL, border=5)
self.volume = wx.TextCtrl(self)
sizer.Add(self.volume, 0, wx.ALL, border=5)
# Update mass action propensities.
self.update = wx.CheckBox(self, -1, 'Update mass action propensities.')
sizer.Add(self.update, 0, wx.ALL, border=5)
sizer.Add(buttons, 0, wx.ALIGN_RIGHT | wx.ALIGN_BOTTOM, 5)
self.SetSizer(sizer)
self.Layout()
self.Fit()
class VolumeEditor(wx.Panel):
"""The volume editor."""
def __init__(self, parent, application):
"""."""
wx.Panel.__init__(self, parent)
self.application = application
button = wx.Button(self, label='Volume')
self.volume = wx.StaticText(self, -1, '')
# Layout with sizers.
sizer = wx.BoxSizer(wx.HORIZONTAL)
sizer.Add(button, 0, wx.ALL, 5)
sizer.Add(self.volume, 0, wx.ALL, 5)
# Add a little extra space to the volume string is not clipped.
sizer.Add(wx.StaticText(self, -1, ' '), 0, wx.ALL, 5)
self.Bind(wx.EVT_BUTTON, self.onEdit, button)
self.SetSizer(sizer)
sizer.Fit(self)
def setModel(self, model):
self.model = model
if self.model:
self.volume.SetLabel(str(self.model.volume))
else:
self.volume.SetLabel('')
def onEdit(self, event):
# Make sure that a model is selected.
if not self.model:
wx.MessageBox('Error: No model is selected.', 'Error')
return
# Volume dialog.
dialog = VolumeDialog(self)
if dialog.ShowModal() != wx.ID_OK:
return
volumeString = dialog.volume.GetValue()
doUpdate = dialog.update.IsChecked()
dialog.Destroy()
# Check the volume.
try:
volume = float(volumeString)
except:
wx.MessageBox(volumeString + ' is not a floating-point number.',
'Error!', style=wx.OK|wx.ICON_EXCLAMATION)
return
if volume <= 0:
wx.MessageBox(volumeString + ' is not a positive volume.',
'Error!', style=wx.OK|wx.ICON_EXCLAMATION)
return
# If we are updating the mass action propensities we need to parse
# the model first.
if doUpdate:
self.application.syncModel(self.model.id)
self.application.parseModel(self.model.id)
# Set the volume.
self.model.setVolume(volume, doUpdate)
# Update the display.
self.volume.SetLabel(str(self.model.volume))
self.application.updateVolume(self.model.id)
# Test code.
class VolumeEditorModel:
def __init__(self):
self.id = None
self.volume = 1.
def setVolume(self, volume, doUpdate):
self.volume = volume
class VolumeEditorFrame(wx.Frame):
def __init__(self, parent=None):
wx.Frame.__init__(self, parent, title='Volume Editor',
size=(200,100))
editor = VolumeEditor(self, self)
editor.setModel(VolumeEditorModel())
def updateVolume(self, id):
pass
def syncModel(self, id):
pass
def parseModel(self, id):
pass
def main():
app = wx.PySimpleApp()
frame = VolumeEditorFrame()
frame.Show()
app.MainLoop()
if __name__ == '__main__':
main()
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