import wx import wx.lib.newevent #from copy import deepcopy from sans.guiframe.utils import format_number from sans.guiframe.events import SlicerParameterEvent from sans.guiframe.events import EVT_SLICER_PARS from sans.guiframe.events import EVT_SLICER from sans.guiframe.panel_base import PanelBase class SlicerPanel(wx.Panel, PanelBase): """ Panel class to show the slicer parameters """ #TODO: show units #TODO: order parameters properly ## Internal name for the AUI manager window_name = "Slicer panel" ## Title to appear on top of the window window_caption = "Slicer Panel" CENTER_PANE = False def __init__(self, parent, id=-1, type=None, base=None, params=None, *args, **kwargs): wx.Panel.__init__(self, parent, id, *args, **kwargs) PanelBase.__init__(self) ## Initialization of the class self.base = base if params is None: params = {} self.params = params self.parent = parent self.type = type self.listeners = [] self.parameters = [] self.bck = wx.GridBagSizer(5, 5) self.SetSizer(self.bck) if type == None and params == None: label = "Right-click on 2D plot for slicer options" title = wx.StaticText(self, -1, label, style=wx.ALIGN_LEFT) self.bck.Add(title, (0, 0), (1, 2), flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=15) else: self.set_slicer(type, params) ## Bindings self.parent.Bind(EVT_SLICER, self.onEVT_SLICER) self.parent.Bind(EVT_SLICER_PARS, self.onParamChange) def onEVT_SLICER(self, event): """ Process EVT_SLICER events When the slicer changes, update the panel :param event: EVT_SLICER event """ event.Skip() if event.obj_class == None: self.set_slicer(None, None) else: self.set_slicer(event.type, event.params) def set_slicer(self, type, params): """ Rebuild the panel """ self.bck.Clear(True) self.type = type if type == None: label = "Right-click on 2D plot for slicer options" title = wx.StaticText(self, -1, label, style=wx.ALIGN_LEFT) self.bck.Add(title, (0, 0), (1, 2), flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=15) else: title = wx.StaticText(self, -1, "Slicer Parameters", style=wx.ALIGN_LEFT) self.bck.Add(title, (0, 0), (1, 2), flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=15) n = 1 self.parameters = [] keys = params.keys() keys.sort() for item in keys: if not item.lower() in ["errors", "count"]: n += 1 text = wx.StaticText(self, -1, item, style=wx.ALIGN_LEFT) self.bck.Add(text, (n-1, 0), flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=15) ctl = wx.TextCtrl(self, -1, size=(80, 20), style=wx.TE_PROCESS_ENTER) hint_msg = "Modify the value of %s to change " % item hint_msg += "the 2D slicer" ctl.SetToolTipString(hint_msg) ctl.SetValue(str(format_number(params[item]))) self.Bind(wx.EVT_TEXT_ENTER, self.onTextEnter) ctl.Bind(wx.EVT_SET_FOCUS, self.onSetFocus) ctl.Bind(wx.EVT_KILL_FOCUS, self.onTextEnter) self.parameters.append([item, ctl]) self.bck.Add(ctl, (n-1, 1), flag=wx.TOP|wx.BOTTOM, border=0) for item in keys: if item.lower() in ["errors", "count"]: n += 1 text = wx.StaticText(self, -1, item + ": ", style=wx.ALIGN_LEFT) self.bck.Add(text, (n-1, 0), flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=15) ctl = wx.StaticText(self, -1, str(format_number(params[item])), style=wx.ALIGN_LEFT) ctl.SetToolTipString("Result %s" % item) self.bck.Add(ctl, (n-1, 1), flag=wx.TOP|wx.BOTTOM, border=0) self.bck.Layout() #self.bck.Fit(self) self.Layout() self.parent.GetSizer().Layout() def onSetFocus(self, evt): """ Hightlight the textcrtl """ # Get a handle to the TextCtrl widget = evt.GetEventObject() # Select the whole control, after this event resolves wx.CallAfter(widget.SetSelection, -1, -1) return def onParamChange(self, evt): """ Receive and event and reset the text field contained in self.parameters """ evt.Skip() for item in self.parameters: if item[0] in evt.params: item[1].SetValue(format_number(evt.params[item[0]])) item[1].Refresh() def onTextEnter(self, evt): """ Parameters have changed """ params = {} has_error = False for item in self.parameters: try: params[item[0]] = float(item[1].GetValue()) item[1].SetBackgroundColour( wx.SystemSettings_GetColour(wx.SYS_COLOUR_WINDOW)) item[1].Refresh() except: has_error = True item[1].SetBackgroundColour("pink") item[1].Refresh() if has_error == False: # Post parameter event ## base is guiframe is this case event = SlicerParameterEvent(type=self.type, params=params) wx.PostEvent(self.base, event)