www.iramuteq.org Git - iramuteq/blob - vitemspicker.py

   1 # -*- coding: utf-8 -*-
   2 #modification pour python 3 : Laurent Mérat, 6x7 - mai 2020
   3
   4 '''
   5 Created on Oct 3, 2010
   6
   7 @authors: Daphna Rosenbom,Gitty Zinger,Moshe Cohavi and Yoav Glazner
   8 The widget is contributed by NDS ltd under the same license as wxPython
   9
  10 items_picker.ItemsPicker:
  11 - Displays available items to choose from,</LI>
  12 - Selection is done by the Add button or Double Click,</LI>
  13 - De-Selection is done by the Remove button or Double Click,</LI>
  14
  15 Derived from wxPanel
  16 '''
  17
  18 #------------------------------------
  19 # import des modules python
  20 #------------------------------------
  21 import langue
  22 langue.run()
  23
  24 #------------------------------------
  25 # import des modules wx
  26 #------------------------------------
  27 import wx
  28
  29 #------------------------------------
  30 # import des fichiers du projet
  31 #------------------------------------
  32 from listlex import ListForSpec
  33
  34
  35 __version__ = 0.1
  36
  37 IP_DEFAULT_STYLE = 0
  38 IP_SORT_CHOICES = 1
  39 IP_SORT_SELECTED = 2
  40 IP_REMOVE_FROM_CHOICES = 4
  41 wxEVT_IP_SELECTION_CHANGED = wx.NewEventType()
  42 EVT_IP_SELECTION_CHANGED = wx.PyEventBinder(wxEVT_IP_SELECTION_CHANGED, 1)
  43 LB_STYLE = wx.LB_EXTENDED|wx.LB_HSCROLL
  44
  45
  46 class IpSelectionChanged(wx.PyCommandEvent):
  47
  48     def __init__(self, id, items, object = None):
  49         wx.PyCommandEvent.__init__(self, wxEVT_IP_SELECTION_CHANGED, id)
  50         self.__items = items
  51         self.SetEventObject(object)
  52
  53     def GetItems(self):
  54         return self.__items
  55
  56
  57 class VItemsPicker(wx.Panel):
  58     '''
  59 ItemsPicker is a widget that allows the user to form a set of picked
  60 items out of a given list
  61 '''
  62
  63     def __init__(self, parent, id=wx.ID_ANY, choices = [],
  64                  label = '', selectedLabel = '',
  65                  ipStyle = IP_DEFAULT_STYLE,
  66                  *args, **kw):
  67         '''
  68 ItemsPicker(parent, choices = [], label = '', selectedLabel = '',
  69 ipStyle = IP_DEFAULT_STYLE)
  70 '''
  71         self.parent = parent
  72         self._destData = {}
  73         wx.Panel.__init__(self, parent, id, *args, **kw)
  74         self._ipStyle = ipStyle
  75         sizer = wx.BoxSizer(wx.HORIZONTAL)
  76         sizer.Add(self._CreateSourceList(choices, label), 1,
  77                    wx.EXPAND|wx.ALL, 5)
  78         sizer.Add(self._CreateButtons(), 0, wx.ALIGN_CENTER|wx.ALL, 5)
  79         sizer.Add(self._CreateDestList(selectedLabel), 1,
  80                    wx.EXPAND|wx.ALL, 5)
  81         self.SetSizer(sizer)
  82
  83     def SetItems(self, items):
  84         '''SetItems(self, items)=> None
  85 items - Sequence of strings that the user can pick from'''
  86         pass
  87         #return self._source.SetItems(items)
  88
  89     def GetItems(self):
  90         '''GetItems(self)=> items
  91 returns list of strings that the user can pick from'''
  92         return self._source.GetItems()
  93
  94     # propriété de VItemsPicker
  95     Items = property(fget = GetItems,
  96                      fset = SetItems,
  97                      doc = 'See GetItems/SetItems')
  98
  99     def GetSelections(self):
 100         '''GetSelections(self)=>items
 101 returns list of strings that were selected
 102 '''
 103         return [self._destData[i][0] for i in self._destData]
 104
 105     def SetSelections(self, items):
 106         '''SetSelections(self, items)=>None
 107 items - Sequence of strings to be selected
 108 The items are displayed in the selection part of the widget'''
 109         assert len(items)==len(set(items)),"duplicate items are not allowed"
 110         if items != self._dest.GetItems():
 111             self._dest.SetItems(items)
 112             self._FireIpSelectionChanged()
 113
 114     # propriété de VItemsPicker
 115     Selections = property(fget = GetSelections,
 116                      fset = SetSelections,
 117                      doc = 'See GetSelections/SetSelections')
 118
 119     def _CreateButtons(self):
 120         sizer = wx.BoxSizer(wx.VERTICAL)
 121         self.bAdd = wx.Button(self, -1, label = 'Add ->')
 122         self.bAdd.Bind(wx.EVT_BUTTON, self._OnAdd)
 123         self.bRemove = wx.Button(self, -1, label = '<- Remove')
 124         self.bRemove.Bind(wx.EVT_BUTTON, self._OnRemove)
 125         sizer.Add(self.bAdd, 0, wx.EXPAND, 5)
 126         sizer.Add(self.bRemove, 0, wx.EXPAND|wx.ALL, 5)
 127         return sizer
 128
 129     def _set_add_button_label(self, label=None):
 130         if label is None:
 131             return
 132         self.bAdd.SetLabel(label)
 133
 134     # propriété ???
 135     add_button_label = property(fset = _set_add_button_label, fget = lambda x:x)
 136
 137     def _set_remove_button_label(self, label=None):
 138         if label is None:
 139             return
 140         self.bRemove.SetLabel(label)
 141
 142     # propriété ???
 143     remove_button_label = property(fset = _set_remove_button_label, fget = lambda x:x)
 144
 145     def _OnAdd(self, e):
 146         if self._ipStyle & IP_REMOVE_FROM_CHOICES:
 147             self._MoveItems(self._source,self._dest)
 148         else:
 149             self._AddSelectedItems()
 150
 151     def _MoveItems(self,source,dest):
 152         selections = source.GetSelections()
 153         selectedItems = list(map(source.GetString, selections))
 154         dest.SetItems(dest.GetItems() + selectedItems)
 155         selections = set(selections)
 156         #source.SetItems([item for i, item in enumerate(source.GetItems())\
 157         #              if i not in selections])
 158         self._FireIpSelectionChanged()
 159
 160     def _AddSelectedItems(self):
 161         newItems = self._source.getselectedwords()#map(self._source.GetString, self._source.GetSelections())
 162         items = [self._destData[i][0] for i in self._destData]
 163         oldItems = set(items)
 164         for newItem in newItems:
 165             if newItem not in oldItems:
 166                 self._destData[len(self._destData)] = [newItem, '']
 167                 self._SetDestItems()
 168                 self._source.selected[newItem] = 1
 169                 self._source.Refresh()
 170         #self.SetSelections(items)
 171         self._FireIpSelectionChanged()
 172
 173     def _FireIpSelectionChanged(self):
 174             self.GetEventHandler().ProcessEvent(
 175                         IpSelectionChanged(self.GetId(),
 176                                             None,
 177                                              self ))
 178
 179     def _OnRemove(self, e):
 180         if self._ipStyle & IP_REMOVE_FROM_CHOICES:
 181             self._MoveItems(self._dest, self._source)
 182         else:
 183             self._RemoveSelected()
 184
 185     def _RemoveSelected(self):
 186         selections = self._dest.getselectedwords()
 187         if selections:
 188             #allItems = self._dest.GetItems()
 189             #items = [item for i, item in enumerate(allItems)\
 190             #          if i not in selections]
 191             #notselected = [item for i, item in enumerate(allItems)\
 192             #          if i in selections]
 193             for item in selections :
 194                 print(item)
 195                 del self._source.selected[item]
 196             tokeep = [self._destData[i][0] for i in self._destData if self._destData[i][0] not in selections]
 197             self._destData = dict([[i, [word, '']] for i, word in enumerate(tokeep)])
 198             self._source.Refresh()
 199             self._SetDestItems()
 200             #self.SetSelections(items)
 201             self._FireIpSelectionChanged()
 202
 203     def _CreateSourceList(self, items, label):
 204         style = LB_STYLE
 205         if self._ipStyle & IP_SORT_CHOICES:
 206             style |= wx.LB_SORT
 207         sizer = wx.BoxSizer(wx.VERTICAL)
 208         if label:
 209             sizer.Add(wx.StaticText(self, label = label), 0,
 210                        wx.ALIGN_LEFT|wx.ALL, 5)
 211         #self._source = wx.VListBox(self, -1, style = style)
 212         self._source = ListForSpec(self, self.parent, dlist = items, first = ['eff', _("POS")], menu = True)
 213         self._source.Bind(wx.EVT_LIST_ITEM_ACTIVATED, self._OnDClick)
 214         #self._source.Bind(wx.EVT_LISTBOX_DCLICK, self._OnDClick)
 215         #self._source.SetItems(items)
 216         sizer.Add(self._source, 1, wx.EXPAND|wx.ALL, 5)
 217         return sizer
 218
 219     def _CreateDestList(self, label):
 220         style = LB_STYLE
 221         if self._ipStyle & IP_SORT_SELECTED:
 222             style |= wx.LB_SORT
 223         sizer = wx.BoxSizer(wx.VERTICAL)
 224         if label:
 225             sizer.Add(wx.StaticText(self, label = label), 0,
 226                        wx.ALIGN_LEFT|wx.ALL, 5)
 227         #self._dest = wx.ListBox(self, -1, style = style)
 228         self._dest = ListForSpec(self, self.parent, dlist = {}, first = ['eff'], menu = True)
 229         self._dest.Bind(wx.EVT_LIST_ITEM_ACTIVATED, self._OnDClick)
 230         #self._dest.Bind(wx.EVT_LISTBOX_DCLICK, self._OnDClick)
 231         sizer.Add(self._dest, 1, wx.EXPAND|wx.ALL, 5)
 232         return sizer
 233
 234     def _SetDestItems(self):
 235         self._dest.itemDataMap = self._destData
 236         self._dest.itemIndexMap = list(self._destData.keys())
 237         self._dest.SetItemCount(len(self._destData))
 238         self._dest.Refresh()
 239
 240     def _OnDClick(self, e):
 241         lb = e.GetEventObject()
 242         selections = lb.GetSelections()
 243         if len(selections) != 1:
 244             return #DCLICK only works on one item
 245         #if e.GetSelection() != selections[0]:
 246             #this can happen using ^DCLICK when two items are selected
 247         #    return
 248         if lb == self._source:
 249             self._OnAdd(e)
 250         else:
 251             self._OnRemove(e)