1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
from Source import Source
from Components.Element import cached
class List(Source, object):
"""The datasource of a listbox. Currently, the format depends on the used converter. So
if you put a simple string list in here, you need to use a StringList converter, if you are
using a "multi content list styled"-list, you need to use the StaticMultiList converter, and
setup the "fonts".
This has been done so another converter could convert the list to a different format, for example
to generate HTML."""
def __init__(self, list = [ ], enableWrapAround = False, item_height = 25, fonts = [ ]):
Source.__init__(self)
self.__list = list
self.onSelectionChanged = [ ]
self.item_height = item_height
self.fonts = fonts
self.disable_callbacks = False
def setList(self, list):
self.__list = list
self.changed((self.CHANGED_ALL,))
list = property(lambda self: self.__list, setList)
def entry_changed(self, index):
if not self.disable_callbacks:
self.downstream_elements.entry_changed(self, index)
def selectionChanged(self, index):
if self.disable_callbacks:
return
for x in self.onSelectionChanged:
x()
@cached
def getCurrent(self):
return self.master is not None and self.master.current
current = property(getCurrent)
def setIndex(self, index):
if self.master is not None:
self.master.index = index
@cached
def getIndex(self):
if self.master is not None:
return self.master.index
else:
return -1
setCurrentIndex = setIndex
index = property(getIndex, setIndex)
def updateList(self, list):
"""Changes the list without changing the selection or emitting changed Events"""
assert len(list) == len(self.__list)
print "get old index"
old_index = self.index
print "disable callback"
self.disable_callbacks = True
print "set list"
self.list = list
print "set index"
self.index = old_index
print "reenable callbacks"
self.disable_callbacks = False
print "done"
|
