def __init__(self, parent, data_file):
self.parent = parent
self.title = 'Preview - {0}'.format(os.path.basename(data_file))
super(PreviewWindow, self).__init__(parent=self.parent,
title=self.title)
self.controller = PreviewWindowController(self, data_file)
self.init_ui()
module_logger.info("Successfully initialized PreviewWindow.")
self.load_data()
def __init__(self, parent, data_file):
self.parent = parent
self.title = 'Preview - {0}'.format(os.path.basename(data_file))
super(PreviewWindow, self).__init__(parent=self.parent, title=self.title)
self.controller = PreviewWindowController(self, data_file)
self.init_ui()
module_logger.info("Successfully initialized PreviewWindow.")
self.load_data()
class PreviewWindow(wx.Frame):
"""Basic wxPython wxFrame for previewing data in tabular format"""
def __init__(self, parent, data_file):
self.parent = parent
self.title = 'Preview - {0}'.format(os.path.basename(data_file))
super(PreviewWindow, self).__init__(parent=self.parent,
title=self.title)
self.controller = PreviewWindowController(self, data_file)
self.init_ui()
module_logger.info("Successfully initialized PreviewWindow.")
self.load_data()
def has_data(self):
"""Returns True if data is not None"""
return self.controller.data is not None
def load_data(self):
exception_queue = Queue.Queue()
data_thd = workerthread.WorkerThread(exception_queue=exception_queue,
target=self.controller.load_data)
data_thd.start()
while True:
data_thd.join(0.125)
if not data_thd.is_alive():
try:
exc_type, exc = exception_queue.get(block=False)
err_str = str(exc)
if len(err_str) == 0:
err_str = exc_type.__name__
module_logger.error(
"Unable to load data: {0}".format(err_str))
err_msg = "An error occurred while loading data:\n{0}".format(
err_str)
if len(err_msg) > 150:
# Truncate lengthy error messages
err_msg = ''.join([err_msg[:150], "\n(continued)"])
err_dlg = wx.MessageDialog(self.parent,
message=err_msg,
caption="Unable To Load Data",
style=wx.ICON_ERROR)
err_dlg.ShowModal()
except Queue.Empty:
pass
break
wx.GetApp().Yield(True)
if self.has_data():
if self.controller.data.ndim == 3:
module_logger.info("Data are 3D, requesting planar slice.")
slice_dlg = dialogs.PlanarSliceDialog(
parent=self,
data_shape=self.controller.data.shape,
title="Specify 2D Plane")
if slice_dlg.ShowModal() == wx.ID_OK:
self.controller.load_data(slice_dlg.get_data_slice())
module_logger.info("User cancelled planar slice operation.")
slice_dlg.Destroy()
self.controller.populate_spreadsheet()
def init_ui(self):
"""Creates and lays out the user interface"""
self.main_panel = wx.Panel(self)
self.main_panel_sizer = wx.BoxSizer(wx.HORIZONTAL)
self.spreadsheet = wxspreadsheet.Spreadsheet(self.main_panel)
self.init_toolbar()
self.main_panel_sizer.Add(self.spreadsheet, ui_defaults.ctrl_pct,
ui_defaults.sizer_flags, 0)
self.SetIcon(self.parent.GetIcon())
self.main_panel.SetSizerAndFit(self.main_panel_sizer)
def init_toolbar(self):
"""Creates a simple toolbar for the spreadsheet window"""
self.spreadsheet_tb = wx.ToolBar(self.main_panel,
style=wx.TB_VERTICAL | wx.TB_FLAT
| wx.TB_NODIVIDER | wx.NO_BORDER)
self.spreadsheet_tb.SetToolBitmapSize((16, 16))
self.spreadsheet_tb.AddSimpleTool(20, self.get_bitmap("Refresh.png"),
"Reload Data")
self.spreadsheet_tb.AddSimpleTool(wx.ID_SAVE,
self.get_bitmap("Save.png"),
"Export As CSV Text File")
self.Bind(wx.EVT_TOOL, self.controller.on_tb_click, id=20)
self.Bind(wx.EVT_TOOL, self.controller.on_tb_click, id=wx.ID_SAVE)
self.spreadsheet_tb.Realize()
self.main_panel_sizer.Add(self.spreadsheet_tb, 0, wx.TOP, border=0)
def get_bitmap(self, bitmap_name):
"""Given the base name for a file, returns a wx Bitmap instance from the bitmap folder"""
return wx.Bitmap(os.path.join(pathfinder.bitmap_path(), bitmap_name))
class PreviewWindow(wx.Frame):
"""Basic wxPython wxFrame for previewing data in tabular format"""
def __init__(self, parent, data_file):
self.parent = parent
self.title = 'Preview - {0}'.format(os.path.basename(data_file))
super(PreviewWindow, self).__init__(parent=self.parent, title=self.title)
self.controller = PreviewWindowController(self, data_file)
self.init_ui()
module_logger.info("Successfully initialized PreviewWindow.")
self.load_data()
def has_data(self):
"""Returns True if data is not None"""
return self.controller.data is not None
def load_data(self):
exception_queue = Queue.Queue()
data_thd = workerthread.WorkerThread(exception_queue=exception_queue,
target=self.controller.load_data)
data_thd.start()
while True:
data_thd.join(0.125)
if not data_thd.is_alive():
try:
exc_type, exc = exception_queue.get(block=False)
err_str = str(exc)
if len(err_str) == 0:
err_str = exc_type.__name__
module_logger.error("Unable to load data: {0}".format(err_str))
err_msg = "An error occurred while loading data:\n{0}".format(err_str)
if len(err_msg) > 150:
# Truncate lengthy error messages
err_msg = ''.join([err_msg[:150], "\n(continued)"])
err_dlg = wx.MessageDialog(self.parent, message=err_msg,
caption="Unable To Load Data", style=wx.ICON_ERROR)
err_dlg.ShowModal()
except Queue.Empty:
pass
break
wx.GetApp().Yield(True)
if self.has_data():
if self.controller.data.ndim == 3:
module_logger.info("Data are 3D, requesting planar slice.")
slice_dlg = dialogs.PlanarSliceDialog(parent=self, data_shape=self.controller.data.shape,
title="Specify 2D Plane")
if slice_dlg.ShowModal() == wx.ID_OK:
self.controller.load_data(slice_dlg.get_data_slice())
module_logger.info("User cancelled planar slice operation.")
slice_dlg.Destroy()
self.controller.populate_spreadsheet()
def init_ui(self):
"""Creates and lays out the user interface"""
self.main_panel = wx.Panel(self)
self.main_panel_sizer = wx.BoxSizer(wx.HORIZONTAL)
self.spreadsheet = wxspreadsheet.Spreadsheet(self.main_panel)
self.init_toolbar()
self.main_panel_sizer.Add(self.spreadsheet, ui_defaults.ctrl_pct, ui_defaults.sizer_flags, 0)
self.SetIcon(self.parent.GetIcon())
self.main_panel.SetSizerAndFit(self.main_panel_sizer)
def init_toolbar(self):
"""Creates a simple toolbar for the spreadsheet window"""
self.spreadsheet_tb = wx.ToolBar(self.main_panel,
style=wx.TB_VERTICAL | wx.TB_FLAT | wx.TB_NODIVIDER | wx.NO_BORDER)
self.spreadsheet_tb.SetToolBitmapSize((16, 16))
self.spreadsheet_tb.AddSimpleTool(20, self.get_bitmap("Refresh.png"), "Reload Data")
self.spreadsheet_tb.AddSimpleTool(wx.ID_SAVE, self.get_bitmap("Save.png"),
"Export As CSV Text File")
self.Bind(wx.EVT_TOOL, self.controller.on_tb_click, id=20)
self.Bind(wx.EVT_TOOL, self.controller.on_tb_click, id=wx.ID_SAVE)
self.spreadsheet_tb.Realize()
self.main_panel_sizer.Add(self.spreadsheet_tb, 0, wx.TOP, border=0)
def get_bitmap(self, bitmap_name):
"""Given the base name for a file, returns a wx Bitmap instance from the bitmap folder"""
return wx.Bitmap(os.path.join(pathfinder.bitmap_path(), bitmap_name))
