import sys import wx import wx.lib import numpy import copy from sans.guicomm.events import StatusEvent (ModelEventbox, EVT_MODEL_BOX) = wx.lib.newevent.NewEvent() _BOX_WIDTH = 80 def format_number(value, high=False): """ Return a float in a standardized, human-readable formatted string """ try: value = float(value) except: print "returning 0" return "0" if high: return "%-6.4g" % value else: return "%-5.3g" % value class ModelPage(wx.Panel): """ FitPanel class contains fields allowing to display results when fitting a model and one data @note: For Fit to be performed the user should check at least one parameter on fit Panel window. """ ## Internal name for the AUI manager window_name = "Fit page" ## Title to appear on top of the window window_caption = "Fit Page" def __init__(self, parent,model, *args, **kwargs): wx.Panel.__init__(self, parent, *args, **kwargs) """ Initialization of the Panel """ self.manager = None self.parent = parent self.event_owner=None #panel interface self.vbox = wx.BoxSizer(wx.VERTICAL) self.sizer3 = wx.GridBagSizer(5,5) self.sizer2 = wx.GridBagSizer(5,5) self.modelbox = wx.ComboBox(self, -1) id = wx.NewId() self.vbox.Add(self.sizer3) self.vbox.Add(self.sizer2) ix = 0 iy = 1 self.sizer3.Add(wx.StaticText(self,-1,'Model'),(iy,ix),(1,1)\ , wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ix += 1 self.sizer3.Add(self.modelbox,(iy,ix),(1,1), wx.EXPAND|wx.ADJUST_MINSIZE, 0) # contains link between model ,all its parameters, and panel organization self.parameters=[] #contains link between a model and selected parameters to fit self.param_toFit=[] # model on which the fit would be performed self.model=model self.set_panel(model) # preview selected model name self.prevmodel_name=model.__class__.__name__ self.modelbox.SetValue(self.prevmodel_name) # flag to check if the user has selected a new model in the combox box self.model_hasChanged=False #dictionary of model name and model class self.model_list_box={} # Data1D to make a deep comparison between 2 Data1D for checking data #change self.vbox.Layout() self.vbox.Fit(self) self.SetSizer(self.vbox) self.Centre() def set_owner(self,owner): """ set owner of fitpage @param owner: the class responsible of plotting """ self.event_owner=owner def set_manager(self, manager): """ set panel manager @param manager: instance of plugin fitting """ self.manager = manager def populate_box(self, dict): """ Populate each combox box of each page @param page: the page to populate """ id=0 self.model_list_box=dict for item in self.model_list_box.itervalues(): if hasattr(item, "name"): name = item.name else: name = item.__name__ self.modelbox.Insert(name,int(id)) id+=1 wx.EVT_COMBOBOX(self.modelbox,-1, self._on_select_model) return 0 def set_page(self, model): print " modelpage: set_page was called",model self.model=model if hasattr(self.model, "name"): name = self.model.name else: name = self.model.__class__.__name__ self.modelbox.SetValue(name) self.set_panel(self.model) self.manager.draw_model(self.model) def _on_select_model(self,event): """ react when a model is selected from page's combo box post an event to its owner to draw an appropriate theory """ print "modelpage: self.model_list_box ",self.model_list_box for item in self.model_list_box.itervalues(): model=item() print "modelpage:model",model if hasattr(model, "name"): name = model.name else: name = model.__class__.__name__ try: if name ==event.GetString(): self.model=model self.set_panel(self.model) self.manager.draw_model(self.model) except: raise #ValueError,"model.name is not equal to model class name" def set_model_name(self,name): """ set model name. set also self.model_hasChanged to true is the model type has changed or false if it didn't @param name: model 's name """ self.model_hasChanged=False if (name != self.prevmodel_name): self.model_hasChanged=True self.prevmodel_name=self.modelbox.GetValue() def get_model_box(self): """ return reference to combox box self.model""" return self.modelbox def get_param_list(self): """ @return self.param_toFit: list containing references to TextCtrl checked.Theses TextCtrl will allow reference to parameters to fit. @raise: if return an empty list of parameter fit will nnote work properly so raise ValueError,"missing parameter to fit" """ if self.param_toFit !=[]: return self.param_toFit else: raise ValueError,"missing parameter to fit" def set_panel(self,model): """ Build the panel from the model content @param model: the model selected in combo box for fitting purpose """ self.sizer2.Clear(True) self.parameters = [] self.param_toFit=[] self.model = model keys = self.model.getParamList() keys.sort() iy = 1 ix = 0 self.cb1 = wx.StaticText(self, -1,'Parameters') self.sizer2.Add(self.cb1,(iy, ix),(1,1),\ wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ix +=1 self.text2_2 = wx.StaticText(self, -1, 'Values') self.sizer2.Add(self.text2_2,(iy, ix),(1,1),\ wx.EXPAND|wx.ADJUST_MINSIZE, 0) ix +=1 self.text2_4 = wx.StaticText(self, -1, 'Units') self.sizer2.Add(self.text2_4,(iy, ix),(1,1),\ wx.EXPAND|wx.ADJUST_MINSIZE, 0) self.text2_4.Hide() for item in keys: iy += 1 ix = 0 cb=wx.StaticText(self, -1, item) self.sizer2.Add( cb,( iy, ix),(1,1), wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ix += 1 value= self.model.getParam(item) ctl1 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20), style=wx.TE_PROCESS_ENTER) ctl1.SetValue(str (format_number(value))) ctl1.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter) self.sizer2.Add(ctl1, (iy,ix),(1,1), wx.EXPAND|wx.ADJUST_MINSIZE, 0) ix +=1 # Units try: units = wx.StaticText(self, -1, self.model.details[item][0], style=wx.ALIGN_LEFT) except: units = wx.StaticText(self, -1, "", style=wx.ALIGN_LEFT) self.sizer2.Add(units, (iy,ix),(1,1), wx.EXPAND|wx.ADJUST_MINSIZE, 0) #save data self.parameters.append([cb,ctl1]) #Display units text on panel for item in keys: if self.model.details[item][0]!='': self.text2_4.Show() break else: self.text2_4.Hide() self.vbox.Layout() self.GrandParent.GetSizer().Layout() def _onparamEnter(self,event): """ when enter value on panel redraw model according to changed """ self.set_model_parameter() def set_model_parameter(self): if len(self.parameters) !=0 and self.model !=None: for item in self.parameters: try: name=str(item[0].GetLabelText()) value= float(item[1].GetValue()) print "modelpage: name. value",name , value self.model.setParam(name,value) self.manager.draw_model(self.model) except: wx.PostEvent(self.parent.GrandParent, StatusEvent(status=\ "Drawing Error:wrong value entered : %s"% sys.exc_value))