################################################################################
# This software was developed by the University of Tennessee as part of the
# Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
# project funded by the US National Science Foundation.
#
# See the license text in license.txt
#
# copyright 2009, University of Tennessee
################################################################################
import wx
from wx.lib.scrolledpanel import ScrolledPanel
WIDTH = 400
HEIGHT = 350
[docs]class DialogPanel(ScrolledPanel):
def __init__(self, *args, **kwds):
ScrolledPanel.__init__(self, *args, **kwds)
self.SetupScrolling()
[docs]class InvTextCtrl(wx.TextCtrl):
"""
Text control for model and fit parameters.
Binds the appropriate events for user interactions.
"""
def __init__(self, *args, **kwds):
wx.TextCtrl.__init__(self, *args, **kwds)
# # Set to True when the mouse is clicked while
# the whole string is selected
self.full_selection = False
# # Call back for EVT_SET_FOCUS events
_on_set_focus_callback = None
# Bind appropriate events
self.Bind(wx.EVT_LEFT_UP, self._highlight_text)
self.Bind(wx.EVT_SET_FOCUS, self._on_set_focus)
def _on_set_focus(self, event):
"""
Catch when the text control is set in focus to highlight the whole
text if necessary
:param event: mouse event
"""
event.Skip()
self.full_selection = True
def _highlight_text(self, event):
"""
Highlight text of a TextCtrl only of no text has be selected
:param event: mouse event
"""
# Make sure the mouse event is available to other listeners
event.Skip()
control = event.GetEventObject()
if self.full_selection:
self.full_selection = False
# Check that we have a TextCtrl
if issubclass(control.__class__, wx.TextCtrl):
# Check whether text has been selected,
# if not, select the whole string
(start, end) = control.GetSelection()
if start == end:
control.SetSelection(-1, -1)
[docs]class OutputTextCtrl(wx.TextCtrl):
"""
Text control used to display outputs.
No editing allowed. The background is
grayed out. User can't select text.
"""
def __init__(self, *args, **kwds):
wx.TextCtrl.__init__(self, *args, **kwds)
self.SetEditable(False)
self.SetBackgroundColour(self.GetParent().GetBackgroundColour())
# Bind to mouse event to avoid text highlighting
# The event will be skipped once the call-back
# is called.
self.Bind(wx.EVT_MOUSE_EVENTS, self._click)
def _click(self, event):
"""
Prevent further handling of the mouse event
by not calling Skip().
"""
pass
[docs]class DataDialog(wx.Dialog):
"""
Allow file selection at loading time
"""
def __init__(self, data_list, parent=None, text='', *args, **kwds):
kwds['size'] = (WIDTH, HEIGHT)
kwds['title'] = "Data Selection"
wx.Dialog.__init__(self, parent, *args, **kwds)
self.list_of_ctrl = []
self._sizer_main = wx.BoxSizer(wx.VERTICAL)
self._sizer_txt = wx.BoxSizer(wx.VERTICAL)
self._sizer_button = wx.BoxSizer(wx.HORIZONTAL)
self._choice_sizer = wx.GridBagSizer(5, 5)
self._panel = DialogPanel(self, style=wx.RAISED_BORDER,
size=(WIDTH - 20, HEIGHT / 3))
self.SetSizer(self._sizer_main)
self.__do_layout(data_list, text=text)
self.Layout()
def __do_layout(self, data_list, text=''):
"""
layout the dialog
"""
# add text
if text.strip() == "":
text = "This Perspective does not allow multiple data !\n"
text += "Please select only one Data.\n"
text_ctrl = wx.TextCtrl(self, -1, str(text), style=wx.TE_MULTILINE,
size=(-1, HEIGHT / 3))
text_ctrl.SetEditable(False)
self._sizer_txt.Add(text_ctrl, 1, wx.EXPAND | wx.ALL, 10)
iy = 0
ix = 0
rbox = wx.RadioButton(self._panel, -1, str(data_list[0].name),
(10, 10), style=wx.RB_GROUP)
rbox.SetValue(True)
self.list_of_ctrl.append((rbox, data_list[0]))
self._choice_sizer.Add(rbox, (iy, ix), (1, 1),
wx.LEFT | wx.EXPAND | wx.ADJUST_MINSIZE, 15)
for i in range(1, len(data_list)):
iy += 1
rbox = wx.RadioButton(self._panel, -1,
str(data_list[i].name), (10, 10))
rbox.SetValue(False)
self.list_of_ctrl.append((rbox, data_list[i]))
self._choice_sizer.Add(rbox, (iy, ix),
(1, 1), wx.LEFT | wx.EXPAND | wx.ADJUST_MINSIZE, 15)
self._panel.SetSizer(self._choice_sizer)
# add sizer
self._sizer_button.Add((20, 20), 1, wx.EXPAND | wx.ADJUST_MINSIZE, 0)
button_cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
self._sizer_button.Add(button_cancel, 0,
wx.LEFT | wx.RIGHT | wx.ADJUST_MINSIZE, 10)
button_OK = wx.Button(self, wx.ID_OK, "Ok")
button_OK.SetFocus()
self._sizer_button.Add(button_OK, 0,
wx.LEFT | wx.RIGHT | wx.ADJUST_MINSIZE, 10)
static_line = wx.StaticLine(self, -1)
self._sizer_txt.Add(self._panel, 0, wx.EXPAND | wx.ALL, 5)
self._sizer_main.Add(self._sizer_txt, 0, wx.EXPAND | wx.ALL, 5)
self._sizer_main.Add(static_line, 0, wx.EXPAND, 0)
self._sizer_main.Add(self._sizer_button, 0, wx.EXPAND | wx.ALL, 10)
[docs] def get_data(self):
"""
return the selected data
"""
for item in self.list_of_ctrl:
rbox, data = item
if rbox.GetValue():
return data