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# listbox.py
import wx
import containers
import waxyobject
import styles
class ListBox(wx.ListBox, waxyobject.WaxyObject):
__events__ = {
'Click': wx.EVT_LISTBOX,
'DoubleClick': wx.EVT_LISTBOX_DCLICK,
}
def __init__(self, parent, choices=[], size=None, **kwargs):
style = 0
style |= self._params(kwargs)
style |= styles.window(kwargs)
wx.ListBox.__init__(self, parent, wx.NewId(), size=size or (-1,-1),
choices=choices, style=style)
self.BindEvents()
styles.properties(self, kwargs)
def SetSelectionType(self, selection):
style = 0
selection = selection.lower()
if selection == "single":
style |= wx.LB_SINGLE
elif selection == "multiple":
style |= wx.LB_MULTIPLE
elif selection == "extended":
style |= wx.LB_EXTENDED
else:
raise ValueError, "selection must be single, multiple or extended"
return style
def SetItems(self, items):
""" Clear the internal list of items, and set new items. <items> is
a list of 2-tuples (string, data). """
self.Clear()
for s, data in items:
self.Append(s, data)
def Fill(self, items):
""" Like SetItems, but just uses a list of strings. """
self.Clear()
for s in items:
self.Append(s)
def GetItems(self):
""" Return a list of 2-tuples (string, data). """
items = []
for i in range(self.GetCount()):
s = self.GetString(i)
data = self.GetClientData(i)
items.append((s, data))
return items
# TODO:
# Add __getitem__, __setitem__, __delitem__
# These should probably work with tuples (string, data).
# 1-tuples can be used, in which case data are left alone.
# Non-tuples are not allowed.
# We should also be able to iterate over a ListBox...
# Although for (s, data) in listbox.GetItems() would work too.
#
# style parameters
_listbox_selection = {
'single': wx.LB_SINGLE,
'multiple': wx.LB_MULTIPLE,
'extended': wx.LB_EXTENDED,
}
_listbox_scrollbar = {
'always': wx.LB_ALWAYS_SB,
'needed': wx.LB_NEEDED_SB,
}
def _params(self, kwargs):
flags = 0
flags |= styles.styledictstart('selection', self._listbox_selection, kwargs)
flags |= styles.styledictstart('scrollbar', self._listbox_scrollbar, kwargs)
flags |= styles.stylebool('sort', wx.LB_SORT, kwargs)
flags |= styles.stylebool('horizontal_scrollbar', wx.LB_HSCROLL, kwargs)
return flags
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