Source code for sas.sasgui.perspectives.calculator.data_editor


import wx
import sys
import os
from copy import deepcopy

from sas.sascalc.dataloader.loader import Loader
from sas.sascalc.dataloader.data_info import Data2D
from detector_editor import DetectorDialog
from collimation_editor import CollimationDialog
from console import ConsoleDialog

from sas.sasgui.guiframe.events import StatusEvent


_QMIN_DEFAULT = 0.001
_QMAX_DEFAULT = 0.13
_NPTS_DEFAULT = 50
#Control panel width 
if sys.platform.count("darwin") == 0:
    PANEL_WIDTH = 500
    PANEL_HEIGTH = 350
    FONT_VARIANT = 0
    _BOX_WIDTH = 51
    ON_MAC = False
else:
    _BOX_WIDTH = 76
    PANEL_WIDTH = 550
    PANEL_HEIGTH = 400
    FONT_VARIANT = 1
    ON_MAC = True

[docs]def load_error(error=None): """ Pop up an error message. @param error: details error message to be displayed """ message = "You had to try this, didn't you?\n\n" message += "The data file you selected could not be loaded.\n" message += "Make sure the content of your file is properly formatted.\n\n" if error is not None: message += "When contacting the SasView team," message += " mention the following:\n%s" % str(error) dial = wx.MessageDialog(None, message, 'Error Loading File', wx.OK | wx.ICON_EXCLAMATION) dial.ShowModal()
[docs]class DataEditorPanel(wx.ScrolledWindow): """ :param data: when not empty the class can same information into a dat object and post event containing the changed data object to some other frame """ def __init__(self, parent, data=[], *args, **kwds): kwds['name'] = "Data Editor" kwds["size"] = (PANEL_WIDTH, PANEL_HEIGTH) wx.ScrolledWindow.__init__(self, parent, *args, **kwds) self.parent = parent self._data = data self._reset_data = deepcopy(data) self.reader = None self._notes = "" self._description = "Edit Data" self._default_save_location = os.getcwd() self._do_layout() self.reset_panel() self.bt_apply.Disable() if data: self.complete_loading(data=data) self.bt_apply.Enable() def _define_structure(self): """ define initial sizer """ self.main_sizer = wx.BoxSizer(wx.VERTICAL) name_box = wx.StaticBox(self, -1, "Load Data") self.name_sizer = wx.StaticBoxSizer(name_box, wx.HORIZONTAL) self.title_sizer = wx.BoxSizer(wx.HORIZONTAL) self.run_sizer = wx.BoxSizer(wx.HORIZONTAL) self.instrument_sizer = wx.BoxSizer(wx.HORIZONTAL) edit_box = wx.StaticBox(self, -1, "Edit ") self.edit_sizer = wx.StaticBoxSizer(edit_box, wx.HORIZONTAL) self.button_sizer = wx.BoxSizer(wx.HORIZONTAL) def _layout_name(self): """ Do the layout for data name related widgets """ #data name [string] data_name_txt = wx.StaticText(self, -1, 'Data : ') self.data_cbox = wx.ComboBox(self, -1, style=wx.CB_READONLY) wx.EVT_COMBOBOX(self.data_cbox, -1, self.on_select_data) hint_data = "Loaded data." self.data_cbox.SetToolTipString(hint_data) id = wx.NewId() self.browse_button = wx.Button(self, id, "Browse") hint_on_browse = "Click on this button to import data in this panel." self.browse_button.SetToolTipString(hint_on_browse) self.Bind(wx.EVT_BUTTON, self.on_click_browse, id=id) self.name_sizer.AddMany([(data_name_txt, 0, wx.LEFT, 15), (self.data_cbox, 0, wx.LEFT, 10), (self.browse_button, 0, wx.LEFT, 10)]) def _layout_title(self): """ Do the layout for data title related widgets """ #title name [string] data_title_txt = wx.StaticText(self, -1, 'Title : ') self.data_title_tcl = wx.TextCtrl(self, -1, size=(PANEL_WIDTH * 3 / 5, -1)) self.data_title_tcl.Bind(wx.EVT_TEXT_ENTER, self.on_change_title) hint_title = "Data's title." self.data_title_tcl.SetToolTipString(hint_title) self.title_sizer.AddMany([(data_title_txt, 0, wx.LEFT, 15), (self.data_title_tcl, 0, wx.LEFT, 10)]) def _layout_run(self): """ Do the layout for data run related widgets """ data_run_txt = wx.StaticText(self, -1, 'Run : ') data_run_txt.SetToolTipString('') self.data_run_tcl = wx.TextCtrl(self, -1, size=(PANEL_WIDTH * 3 / 5, -1), style=wx.TE_MULTILINE) hint_run = "Data's run." self.data_run_tcl.SetToolTipString(hint_run) self.run_sizer.AddMany([(data_run_txt, 0, wx.LEFT, 15), (self.data_run_tcl, 0, wx.LEFT, 10)]) def _layout_instrument(self): """ Do the layout for instrument related widgets """ instrument_txt = wx.StaticText(self, -1, 'Instrument : ') hint_instrument_txt = '' instrument_txt.SetToolTipString(hint_instrument_txt) self.instrument_tcl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH * 5, 20)) hint_instrument = "Instrument." self.instrument_tcl.SetToolTipString(hint_instrument) self.instrument_sizer.AddMany([(instrument_txt, 0, wx.LEFT, 15), (self.instrument_tcl, 0, wx.LEFT, 10)]) def _layout_editor(self): """ Do the layout for sample related widgets """ self.detector_rb = wx.RadioButton(self, -1, "Detector", style=wx.RB_GROUP) self.sample_rb = wx.RadioButton(self, -1, "Sample") self.source_rb = wx.RadioButton(self, -1, "Source") self.collimation_rb = wx.RadioButton(self, -1, "Collimation") self.bt_edit = wx.Button(self, -1, "Edit") self.bt_edit.SetToolTipString("Edit data.") self.bt_edit.Bind(wx.EVT_BUTTON, self.on_edit) self.edit_sizer.AddMany([(self.detector_rb, 0, wx.ALL, 10), (self.sample_rb, 0, wx.RIGHT | wx.BOTTOM | wx.TOP, 10), (self.source_rb, 0, wx.RIGHT | wx.BOTTOM | wx.TOP, 10), (self.collimation_rb, 0, wx.RIGHT | wx.BOTTOM | wx.TOP, 10), (self.bt_edit, 0, wx.RIGHT | wx.BOTTOM | wx.TOP, 10)]) self.reset_radiobox() def _layout_source(self): """ Do the layout for source related widgets """ source_txt = wx.StaticText(self, -1, 'Source ') hint_source_txt = '' source_txt.SetToolTipString(hint_source_txt) self.bt_edit_source = wx.Button(self, -1, "Edit") self.bt_edit_source.SetToolTipString("Edit data's sample.") self.bt_edit_source.Bind(wx.EVT_BUTTON, self.edit_source) #self.source_sizer.AddMany([(source_txt, 0, wx.ALL, 10), # (self.bt_edit_source, 0, # wx.RIGHT|wx.BOTTOM|wx.TOP, 10)]) def _layout_summary(self): """ Layout widgets related to data's summary """ self.data_summary = wx.TextCtrl(self, -1, style=wx.TE_MULTILINE | wx.HSCROLL, size=(-1, 200)) summary = 'No data info available...' self.data_summary.SetValue(summary) #self.summary_sizer.Add(self.data_summary, 1, wx.EXPAND|wx.ALL, 10) def _layout_button(self): """ Do the layout for the button widgets """ self.bt_summary = wx.Button(self, -1, "View", size=(_BOX_WIDTH, -1)) self.bt_summary.SetToolTipString("View final changes on data.") self.bt_summary.Bind(wx.EVT_BUTTON, self.on_click_view) self.bt_save = wx.Button(self, -1, "Save As", size=(_BOX_WIDTH, -1)) self.bt_save.SetToolTipString("Save changes in a file.") self.bt_save.Bind(wx.EVT_BUTTON, self.on_click_save) self.bt_apply = wx.Button(self, -1, "Apply", size=(_BOX_WIDTH, -1)) self.bt_apply.SetToolTipString("Save changes into the imported data.") self.bt_apply.Bind(wx.EVT_BUTTON, self.on_click_apply) self.bt_reset = wx.Button(self, -1, 'Reset', size=(_BOX_WIDTH, -1)) self.bt_reset.Bind(wx.EVT_BUTTON, self.on_click_reset) self.bt_reset.SetToolTipString("Reset data to its initial state.") self.bt_close = wx.Button(self, -1, 'Close', size=(_BOX_WIDTH, -1)) self.bt_close.Bind(wx.EVT_BUTTON, self.on_close) self.bt_close.SetToolTipString("Close this panel.") self.button_sizer.AddMany([(self.bt_save, 0, wx.LEFT, 120), (self.bt_apply, 0, wx.LEFT, 10), (self.bt_reset, 0, wx.LEFT | wx.RIGHT, 10), (self.bt_summary, 0, wx.RIGHT, 10), (self.bt_close, 0, wx.RIGHT, 10)]) def _do_layout(self): """ Draw the current panel """ self._define_structure() self._layout_name() self._layout_title() self._layout_run() self._layout_editor() self._layout_button() self.main_sizer.AddMany([(self.name_sizer, 0, wx.EXPAND | wx.ALL, 10), (self.title_sizer, 0, wx.EXPAND | wx.TOP | wx.BOTTOM, 5), (self.run_sizer, 0, wx.EXPAND | wx.TOP | wx.BOTTOM, 5), (self.instrument_sizer, 0, wx.EXPAND | wx.TOP | wx.BOTTOM, 5), (self.edit_sizer, 0, wx.EXPAND | wx.LEFT | wx.RIGHT | wx.TOP, 10), (self.button_sizer, 0, wx.EXPAND | wx.TOP | wx.BOTTOM, 5)]) self.SetSizer(self.main_sizer) self.SetScrollbars(20, 20, 25, 65) self.SetAutoLayout(True)
[docs] def fill_data_combox(self): """ fill the current combobox with the available data """ if not self._data: return self.data_cbox.Clear() for data in self._data: name = data.title if data.run: name = data.run[0] if name.lstrip().rstrip() == "": name = data.filename pos = self.data_cbox.Append(str(name)) self.data_cbox.SetClientData(pos, data) self.data_cbox.SetSelection(pos) self.data_cbox.SetStringSelection(str(name))
[docs] def reset_panel(self): """ """ self.enable_data_cbox() self.data_title_tcl.SetValue("") self.data_run_tcl.SetValue("")
[docs] def on_select_data(self, event=None): """ """ data, _, _ = self.get_current_data() self.reset_panel() if data is None: return self.data_title_tcl.SetValue(str(data.title)) text = "" if data.run: for item in data.run: text += item + "\n" self.data_run_tcl.SetValue(str(text))
[docs] def get_current_data(self): """ """ position = self.data_cbox.GetSelection() if position == wx.NOT_FOUND: return None, None, None data_name = self.data_cbox.GetStringSelection() data = self.data_cbox.GetClientData(position) return data, data_name, position
[docs] def enable_data_cbox(self): """ """ if self._data: self.data_cbox.Enable() self.bt_summary.Enable() self.bt_reset.Enable() self.bt_save.Enable() self.bt_edit.Enable() else: self.data_cbox.Disable() self.bt_summary.Disable() self.bt_reset.Disable() self.bt_save.Disable() self.bt_edit.Disable()
[docs] def reset_radiobox(self): """ """ self.detector_rb.SetValue(True) self.source_rb.SetValue(False) self.sample_rb.SetValue(False) self.collimation_rb.SetValue(False)
[docs] def set_sample(self, sample, notes=None): """ set sample for data """ data, _, _ = self.get_current_data() if data is None: return data.sample = sample if notes is not None: data.process.append(notes)
[docs] def set_source(self, source, notes=None): """ set source for data """ data, data_name, position = self.get_current_data() if data is None: return data.source = source if notes is not None: data.process.append(notes)
[docs] def set_detector(self, detector, notes=None): """ set detector for data """ data, data_name, position = self.get_current_data() if data is None: return data.detector = detector if notes is not None: data.process.append(notes)
[docs] def set_collimation(self, collimation, notes=None): """ set collimation for data """ data, data_name, position = self.get_current_data() if data is None: return data.collimation = collimation if notes is not None: data.process.append(notes)
[docs] def edit_collimation(self): """ Edit the selected collimation """ data, data_name, position = self.get_current_data() if data is None: return dlg = CollimationDialog(collimation=data.collimation) dlg.set_manager(self) dlg.ShowModal()
[docs] def edit_detector(self): """ Edit the selected detector """ data, data_name, position = self.get_current_data() if data is None: return dlg = DetectorDialog(detector=data.detector) dlg.set_manager(self) dlg.ShowModal()
[docs] def edit_sample(self): """ Open the dialog to edit the sample of the current data """ data, _, _ = self.get_current_data() if data is None: return from sample_editor import SampleDialog dlg = SampleDialog(parent=self, sample=data.sample) dlg.set_manager(self) dlg.ShowModal()
[docs] def edit_source(self): """ Open the dialog to edit the saource of the current data """ data, data_name, position = self.get_current_data() if data is None: return from source_editor import SourceDialog dlg = SourceDialog(parent=self, source=data.source) dlg.set_manager(self) dlg.ShowModal()
[docs] def choose_data_file(self, location=None): """ Open a file dialog to allow loading a file """ path = None if location == None: location = os.getcwd() l = Loader() cards = l.get_wildcards() wlist = '|'.join(cards) dlg = wx.FileDialog(self, "Choose a file", location, "", wlist, wx.OPEN) if dlg.ShowModal() == wx.ID_OK: path = dlg.GetPath() mypath = os.path.basename(path) dlg.Destroy() return path
[docs] def complete_loading(self, data=None, filename=''): """ Complete the loading and compute the slit size """ self.done = True self._data = [] if data is None: msg = "Couldn't load data" wx.PostEvent(self.parent.parent, StatusEvent(status=msg, info="warning", type='stop')) return if not data.__class__.__name__ == "list": self._data.append(data) self._reset_data.append(deepcopy(data)) else: self._data = deepcopy(data) self._reset_data = deepcopy(data) self.set_values() if self.parent.parent is None: return msg = "Load Complete" wx.PostEvent(self.parent.parent, StatusEvent(status=msg, info="info", type='stop'))
[docs] def set_values(self): """ take the aperture values of the current data and display them through the panel """ if self._data: self.fill_data_combox() self.on_select_data(event=None)
[docs] def get_data(self): """ return the current data """ return self._data
[docs] def get_notes(self): """ return notes """ return self._notes
[docs] def on_change_run(self, event=None): """ Change run """ run = [] data, _, _ = self.get_current_data() for i in range(self.data_run_tcl.GetNumberOfLines()): text = self.data_run_tcl.GetLineText(i).lstrip().rstrip() if text != "": run.append(text) if data.run != run: self._notes += "Change data 's " self._notes += "run from %s to %s \n" % (data.run, str(run)) data.run = run if event is not None: event.Skip()
[docs] def on_change_title(self, event=None): """ Change title """ data, _, _ = self.get_current_data() #Change data's name title = self.data_title_tcl.GetValue().lstrip().rstrip() if data.title != title: self._notes += "Change data 's " self._notes += "title from %s to %s \n" % (data.title, str(title)) data.title = title if event is not None: event.Skip()
[docs] def on_click_browse(self, event): """ Open a file dialog to allow the user to select a given file. Display the loaded data if available. """ path = self.choose_data_file(location=self._default_save_location) if path is None: return if self.parent.parent is not None: wx.PostEvent(self.parent.parent, StatusEvent(status="Loading...", info="info", type="progress")) self.done = False self._default_save_location = path try: #Load data from load_thread import DataReader ## If a thread is already started, stop it if self.reader is not None and self.reader.isrunning(): self.reader.stop() self.reader = DataReader(path=path, completefn=self.complete_loading, updatefn=None) self.reader.queue() except: msg = "Data Editor: %s" % (sys.exc_value) load_error(msg) return event.Skip()
[docs] def on_edit(self, event): """ """ if self.detector_rb.GetValue(): self.edit_detector() if self.sample_rb.GetValue(): self.edit_sample() if self.source_rb.GetValue(): self.edit_source() if self.collimation_rb.GetValue(): self.edit_collimation() event.Skip()
[docs] def on_click_apply(self, event): """ changes are saved in data object imported to edit """ data, _, _ = self.get_current_data() if data is None: return self.on_change_run(event=None) self.on_change_title(event=None) #must post event here event.Skip()
[docs] def on_click_save(self, event): """ Save change into a file """ if not self._data: return self.on_change_run(event=None) self.on_change_title(event=None) path = None wildcard = "CanSAS 1D files(*.xml)|*.xml" dlg = wx.FileDialog(self, "Choose a file", self._default_save_location, "", wildcard , wx.SAVE) for data in self._data: if issubclass(data.__class__, Data2D): msg = "No conventional writing format for \n\n" msg += "Data2D at this time.\n" dlg = wx.MessageDialog(None, msg, 'Error Loading File', wx.OK | wx.ICON_EXCLAMATION) dlg.ShowModal() else: if dlg.ShowModal() == wx.ID_OK: path = dlg.GetPath() mypath = os.path.basename(path) loader = Loader() format = ".xml" if os.path.splitext(mypath)[1].lower() == format: loader.save(path, data, format) try: self._default_save_location = os.path.dirname(path) except: pass dlg.Destroy() event.Skip()
[docs] def on_click_view(self, event): """ Display data info """ data, data_name, position = self.get_current_data() if data is None: return self.on_change_run(event=None) self.on_change_title(event=None) dlg = ConsoleDialog(data=data) dlg.ShowModal() event.Skip()
[docs] def on_click_reset(self, event): """ """ data, data_name, position = self.get_current_data() if data is None: return self._data[position] = deepcopy(self._reset_data[position]) self.set_values() event.Skip()
[docs] def on_close(self, event): """ leave data as it is and close """ self.parent.Close() event.Skip()
[docs]class DataEditorWindow(wx.Frame): def __init__(self, parent, manager, data=None, *args, **kwds): kwds["size"] = (PANEL_WIDTH, PANEL_HEIGTH) wx.Frame.__init__(self, parent, *args, **kwds) self.parent = parent self.manager = manager self.panel = DataEditorPanel(parent=self, data=data) self.Show()
[docs] def get_data(self): """ return the current data """ return self.panel.get_data()
if __name__ == "__main__": app = wx.App() window = DataEditorWindow(parent=None, data=[], title="Data Editor") app.MainLoop()