Source Code for Module reflectometry.model1d.adaptor.reflDatasetMeta

  1  import os 
  2  import sys 
  3  import wx 
  4  import traceback 
  5   
  6  from reflData import ReflMetaData 
  7  from park.parkAui.common.auiPanel import AuiPanel 
  8  from park.parkAui.common.parkEvent import wxEVT_PARK_DATASET, EVT_PARK_DATASET,\ 
  9                                            ParkDatasetEvent 
 10   
 11  # slide scaler 
 12  SCALER_MIN    = 0 
 13  SCALER_MAX    = 10000 
 14  REVERT_SCALER = 1.0/(SCALER_MAX-SCALER_MIN) 
 15   
 16  # slide scaler 
 17  SCALER_MIN_DEFAULT = 1.0e-7 
 18  SCALER_MAX_DEFAULT = 1000.0 
 19  SCALER_DEFAULT     = 1 
 20   
 21  REFL_META_NAMES  = ('wavelength', 'wavelengthDiv', 'background', 'angularDiv') 
 22  REFL_META_LABELS = { 
 23      'wavelength':'WaveLength:', 'wavelengthDiv':'Wavelength Divergence:', 
 24      'background':'Background:', 'angularDiv':'Angular Divergence:', 
 25      } 
 26  REFL_META_NAME_COL  = 2 
 27  REFL_META_NAME_ROW  = 4 
 28  REFL_META_RANGE_COL = 2 
 29   
 30   
 31  _wxSTYLE = wx.SHRINK | wx.GROW | wx.EXPAND | wx.ALL | wx.ALIGN_CENTER 
 32   
 33 -class ReflDatasetMetaPanel(AuiPanel): 
 34   
 35 -    def __init__(self, 
 36                   parent, 
 37                   id=-1, 
 38                   pos=wx.DefaultPosition, 
 39                   size=(450, 60), 
 40                   style=wx.TAB_TRAVERSAL 
 41                   ): 
 42          super(ReflDatasetMetaPanel, self).__init__(parent, id=id, pos=pos, 
 43                                                     size=size, style=style) 
 44   
 45          mainSizer = wx.FlexGridSizer(cols=2, hgap=0, rows=1, vgap=0) 
 46          miscSizer = wx.FlexGridSizer(cols=REFL_META_NAME_COL*2, hgap=0, 
 47                                       rows=REFL_META_NAME_ROW,   vgap=0) 
 48          mainSizer.AddSizer(miscSizer, 2, border=2, flag=_wxSTYLE) 
 49   
 50          mainSizer.AddGrowableCol(0) 
 51          mainSizer.AddGrowableCol(1) 
 52   
 53   
 54          miscLabels = [wx.StaticText(parent=self,name='%stxt' %(name), style=0) 
 55                          for name in REFL_META_NAMES ] 
 56          self.miscNumbers = [ wx.TextCtrl(parent=self, name=name) 
 57                                     for name in REFL_META_NAMES ] 
 58   
 59          for i in xrange(len(REFL_META_NAMES)): 
 60              label = REFL_META_NAMES[i] 
 61              if label in REFL_META_LABELS: 
 62                  miscLabels[i].SetLabel(REFL_META_LABELS[label]) 
 63              else: 
 64                  miscLabels[i].SetLabel('%s:' %(label.capitalize())) 
 65   
 66              self.miscNumbers[i].Bind(wx.EVT_KILL_FOCUS, self.OnUpdateFloatData) 
 67   
 68              miscSizer.Add(miscLabels[i],       0, border=2, flag=_wxSTYLE) 
 69              miscSizer.Add(self.miscNumbers[i], 1, border=2, flag=_wxSTYLE) 
 70   
 71   
 72          miscSizer.AddGrowableCol(1) 
 73          miscSizer.AddGrowableCol(3) 
 74   
 75          self.SetSizer(mainSizer) 
 76          self.Bind(wx.EVT_LEFT_DCLICK, self.OnLeftDClick) 
 77          self.SetMinSize(size) 
 78          self.SetMaxSize(size) 
 79          self.dataset = None 
 80          self.dataind = 0 
 81          self.inst = None 
 82   
 83          self.SetInstData2Viewer() 
 84   
 85   
 86 -    def Enable(self): 
 87          #enable = not( (self.dataset is None) or (self.dataind < 0)) 
 88          enable = True 
 89          for ind in xrange(len(REFL_META_NAMES)): 
 90              self.miscNumbers[ind].Enable(enable) 
 91   
 92   
 93 -    def SetDataset(self, dataset, ind): 
 94          #print "CALL SetDataset", dataset 
 95          self.dataset = dataset 
 96          self.dataind = ind 
 97   
 98          self.SetInstData2Viewer() 
 99   
100   
101 -    def GetInstData(self): 
102          try: 
103              inst = self.dataset.getOneXmlData(self.dataind 
104                                                ).getXmlInstrumentData() 
105          except: 
106              inst = None 
107   
108          return inst 
109   
110   
111 -    def SetInstData2Viewer(self): 
112          """ Update the viewer.""" 
113   
114          self.Enable() 
115          try:  ## set the default value. 
116              inst = self.dataset.getOneXmlData(self.dataind).getXmlInstrumentData() 
117          except: 
118              inst = ReflMetaData() 
119   
120          for ind in xrange(len(REFL_META_NAMES)): 
121              label = REFL_META_NAMES[ind] 
122              self.miscNumbers[ind].SetValue(str(getattr(inst, label))) 
123   
124 -    def OnUpdateFloatData(self, event): 
125          inst = self.GetInstData() 
126          if inst is None: 
127              return 
128   
129          fireEvent = False 
130   
131          for ind in xrange(len(REFL_META_NAMES)): 
132              label = REFL_META_NAMES[ind] 
133              try: 
134                  val = float(self.miscNumbers[ind].GetValue()) 
135                  if val != getattr(inst, label): 
136                      setattr(inst, label, val) 
137                      fireEvent = True 
138              except: 
139                  val = str(getattr(inst, label)) 
140                  self.miscNumbers[ind].SetValue(val) 
141   
142          #if fireEvent: 
143          #    self._fireEvent() 
144   
145   
146 -    def _fireEvent(self): 
147          """ fire an event. """ 
148          evt = ParkDatasetEvent(wxEVT_PARK_DATASET , 
149                                 self.GetId(), 
150                                 self.dataset, 
151                                 self.dataind 
152                                 ) 
153          self.GetEventHandler().ProcessEvent(evt) 
154