--- /dev/null
+'''
+Created on Oct 3, 2010
+
+@authors: Daphna Rosenbom,Gitty Zinger,Moshe Cohavi and Yoav Glazner
+The widget is contributed by NDS ltd under the same license as wxPython
+
+items_picker.ItemsPicker:
+- Displays available items to choose from,</LI>
+- Selection is done by the Add button or Double Click,</LI>
+- De-Selection is done by the Remove button or Double Click,</LI>
+
+Derived from wxPanel
+'''
+import wx
+from listlex import ListForSpec
+__version__ = 0.1
+
+IP_DEFAULT_STYLE = 0
+IP_SORT_CHOICES = 1
+IP_SORT_SELECTED = 2
+IP_REMOVE_FROM_CHOICES = 4
+
+
+wxEVT_IP_SELECTION_CHANGED = wx.NewEventType()
+EVT_IP_SELECTION_CHANGED = wx.PyEventBinder(wxEVT_IP_SELECTION_CHANGED, 1)
+LB_STYLE = wx.LB_EXTENDED|wx.LB_HSCROLL
+
+
+class IpSelectionChanged(wx.PyCommandEvent):
+ def __init__(self, id, items, object = None):
+ wx.PyCommandEvent.__init__(self, wxEVT_IP_SELECTION_CHANGED, id)
+ self.__items = items
+ self.SetEventObject(object)
+
+ def GetItems(self):
+ return self.__items
+
+
+class VItemsPicker(wx.Panel):
+ '''
+ItemsPicker is a widget that allows the user to form a set of picked
+items out of a given list
+'''
+ def __init__(self, parent, id=wx.ID_ANY, choices = [],
+ label = '', selectedLabel = '',
+ ipStyle = IP_DEFAULT_STYLE,
+ *args, **kw):
+ '''
+ItemsPicker(parent, choices = [], label = '', selectedLabel = '',
+ipStyle = IP_DEFAULT_STYLE)
+'''
+ self.parent = parent
+ self._destData = {}
+ wx.Panel.__init__(self, parent, id, *args, **kw)
+ self._ipStyle = ipStyle
+ sizer = wx.BoxSizer(wx.HORIZONTAL)
+ sizer.Add(self._CreateSourceList(choices, label), 1,
+ wx.EXPAND|wx.ALL, 5)
+ sizer.Add(self._CreateButtons(), 0, wx.ALIGN_CENTER|wx.ALL, 5)
+ sizer.Add(self._CreateDestList(selectedLabel), 1,
+ wx.EXPAND|wx.ALL, 5)
+ self.SetSizer(sizer)
+
+
+ def SetItems(self, items):
+ '''SetItems(self, items)=> None
+items - Sequence of strings that the user can pick from'''
+ pass
+ #return self._source.SetItems(items)
+
+
+ def GetItems(self):
+ '''GetItems(self)=> items
+returns list of strings that the user can pick from'''
+ return self._source.GetItems()
+
+
+ Items = property(fget = GetItems,
+ fset = SetItems,
+ doc = 'See GetItems/SetItems')
+
+
+ def GetSelections(self):
+ '''GetSelections(self)=>items
+returns list of strings that were selected
+'''
+ return [self._destData[i][0] for i in self._destData]
+
+
+ def SetSelections(self, items):
+ '''SetSelections(self, items)=>None
+items - Sequence of strings to be selected
+The items are displayed in the selection part of the widget'''
+ assert len(items)==len(set(items)),"duplicate items are not allowed"
+ if items != self._dest.GetItems():
+ self._dest.SetItems(items)
+ self._FireIpSelectionChanged()
+
+
+ Selections = property(fget = GetSelections,
+ fset = SetSelections,
+ doc = 'See GetSelections/SetSelections')
+
+
+ def _CreateButtons(self):
+ sizer = wx.BoxSizer(wx.VERTICAL)
+ self.bAdd = wx.Button(self, -1, label = 'Add ->')
+ self.bAdd.Bind(wx.EVT_BUTTON, self._OnAdd)
+ self.bRemove = wx.Button(self, -1, label = '<- Remove')
+ self.bRemove.Bind(wx.EVT_BUTTON, self._OnRemove)
+ sizer.Add(self.bAdd, 0, wx.EXPAND|wx.ALL|wx.ALIGN_CENTER_VERTICAL, 5)
+ sizer.Add(self.bRemove, 0, wx.EXPAND|wx.ALL, 5)
+ return sizer
+
+
+ def _set_add_button_label(self, label=None):
+ if label is None:
+ return
+ self.bAdd.SetLabel(label)
+
+ add_button_label = property(fset = _set_add_button_label, fget = lambda x:x)
+
+
+ def _set_remove_button_label(self, label=None):
+ if label is None:
+ return
+ self.bRemove.SetLabel(label)
+
+ remove_button_label = property(fset = _set_remove_button_label, fget = lambda x:x)
+
+
+ def _OnAdd(self, e):
+ if self._ipStyle & IP_REMOVE_FROM_CHOICES:
+ self._MoveItems(self._source,self._dest)
+ else:
+ self._AddSelectedItems()
+
+ def _MoveItems(self,source,dest):
+ selections = source.GetSelections()
+ selectedItems = map(source.GetString, selections)
+ dest.SetItems(dest.GetItems() + selectedItems)
+ selections = set(selections)
+ #source.SetItems([item for i, item in enumerate(source.GetItems())\
+ # if i not in selections])
+ self._FireIpSelectionChanged()
+
+ def _AddSelectedItems(self):
+ newItems = self._source.getselectedwords()#map(self._source.GetString, self._source.GetSelections())
+ items = [self._destData[i][0] for i in self._destData]
+ oldItems = set(items)
+ for newItem in newItems:
+ if newItem not in oldItems:
+ self._destData[len(self._destData)] = [newItem, '']
+ self._SetDestItems()
+ self._source.selected[newItem] = 1
+ self._source.Refresh()
+ #self.SetSelections(items)
+ self._FireIpSelectionChanged()
+
+ def _FireIpSelectionChanged(self):
+ self.GetEventHandler().ProcessEvent(
+ IpSelectionChanged(self.GetId(),
+ None,
+ self ))
+
+
+ def _OnRemove(self, e):
+ if self._ipStyle & IP_REMOVE_FROM_CHOICES:
+ self._MoveItems(self._dest, self._source)
+ else:
+ self._RemoveSelected()
+
+ def _RemoveSelected(self):
+ selections = self._dest.getselectedwords()
+ if selections:
+ #allItems = self._dest.GetItems()
+ #items = [item for i, item in enumerate(allItems)\
+ # if i not in selections]
+ #notselected = [item for i, item in enumerate(allItems)\
+ # if i in selections]
+
+ for item in selections :
+ del self._source.selected[item]
+ tokeep = [self._destData[i][0] for i in self._destData if self._destData[i][0] not in selections]
+ self._destData = dict([[i, [word, '']] for i, word in enumerate(tokeep)])
+ self._source.Refresh()
+ self._SetDestItems()
+ #self.SetSelections(items)
+ self._FireIpSelectionChanged()
+
+
+ def _CreateSourceList(self, items, label):
+ style = LB_STYLE
+ if self._ipStyle & IP_SORT_CHOICES:
+ style |= wx.LB_SORT
+ sizer = wx.BoxSizer(wx.VERTICAL)
+ if label:
+ sizer.Add(wx.StaticText(self, label = label), 0,
+ wx.ALIGN_LEFT|wx.ALL, 5)
+ #self._source = wx.VListBox(self, -1, style = style)
+ self._source = ListForSpec(self, self.parent, dlist = items, first = ['eff'], menu = True)
+ self._source.Bind(wx.EVT_LIST_ITEM_ACTIVATED, self._OnDClick)
+ #self._source.Bind(wx.EVT_LISTBOX_DCLICK, self._OnDClick)
+ #self._source.SetItems(items)
+ sizer.Add(self._source, 1, wx.EXPAND|wx.ALL, 5)
+ return sizer
+
+
+ def _CreateDestList(self, label):
+ style = LB_STYLE
+ if self._ipStyle & IP_SORT_SELECTED:
+ style |= wx.LB_SORT
+ sizer = wx.BoxSizer(wx.VERTICAL)
+ if label:
+ sizer.Add(wx.StaticText(self, label = label), 0,
+ wx.ALIGN_LEFT|wx.ALL, 5)
+ #self._dest = wx.ListBox(self, -1, style = style)
+ self._dest = ListForSpec(self, self.parent, dlist = {}, first = ['eff'], menu = True)
+ self._dest.Bind(wx.EVT_LIST_ITEM_ACTIVATED, self._OnDClick)
+ #self._dest.Bind(wx.EVT_LISTBOX_DCLICK, self._OnDClick)
+ sizer.Add(self._dest, 1, wx.EXPAND|wx.ALL, 5)
+ return sizer
+
+ def _SetDestItems(self):
+ self._dest.itemDataMap = self._destData
+ self._dest.itemIndexMap = self._destData.keys()
+ self._dest.SetItemCount(len(self._destData))
+ self._dest.Refresh()
+
+ def _OnDClick(self, e):
+ lb = e.GetEventObject()
+ selections = lb.GetSelections()
+ if len(selections) != 1:
+ return #DCLICK only works on one item
+ #if e.GetSelection() != selections[0]:
+ #this can happen using ^DCLICK when two items are selected
+ # return
+ if lb == self._source:
+ self._OnAdd(e)
+ else:
+ self._OnRemove(e)
+
+
+
+
+if __name__ == '__main__':
+ print 'ezerzerzer'
+ test = wx.App(0)
+ frame = wx.Frame(None, -1)
+ d = wx.Dialog(frame, style = wx.RESIZE_BORDER|wx.DEFAULT_DIALOG_STYLE)
+
+ d.sizer = wx.BoxSizer(wx.VERTICAL)
+ d.sizer.Add(wx.StaticText(d, -1, label = 'Example of the ItemsPicker'),
+ 0, wx.ALL, 10)
+ ip = ItemsPicker(d, -1, ['pop', 'cool', 'lame'],
+ 'Stuff:', 'Selected stuff:',IP_SORT_SELECTED|IP_SORT_CHOICES|IP_REMOVE_FROM_CHOICES)
+ ip.add_button_label = u'left -> right'
+ ip.remove_button_label = u'right -> left'
+ d.sizer.Add(ip, 1, wx.EXPAND, 1)
+ d.SetSizer(d.sizer)
+ test.SetTopWindow(frame)
+ def callback(e):
+ print 'selected items', e.GetItems()
+ d.Bind(EVT_IP_SELECTION_CHANGED, callback)
+ d.ShowModal()
+ d.Destroy()
+ frame.Close()
\ No newline at end of file
projects / iramuteq / blobdiff