def _list_contents (self):
"""F.list_contents (...) -> None
Populates the directory contents to the scrolled list.
"""
items = ListItemCollection ()
items.append (FileListItem (os.pardir, stat.S_IFDIR))
stats = None
files = []
dirs = []
dappend = dirs.append
fappend = files.append
entries = os.listdir (self._directory)
isdir = os.path.isdir
pjoin = os.path.join
for filename in entries:
if isdir (pjoin (self._directory, filename)):
dappend (filename)
else:
fappend (filename)
dirs.sort ()
files.sort ()
map (items.append, [FileListItem (d, stat.S_IFDIR) for d in dirs])
for filename in files:
stats = os.stat (pjoin (self._directory, filename))
items.append (FileListItem (filename, stats.st_mode))
self.set_items (items)
def __init__(self, width, height, collection=None):
# Temporary placeholder for kwargs of the update() method.
self.__lastargs = None
ScrolledWindow.__init__(self, width, height)
self._spacing = 0
# The item cursor position within the list.
self._cursor = None
# Used for selections.
self._last_direction = None
self._signals[SIG_LISTCHANGED] = []
self._signals[SIG_SELECTCHANGED] = []
# Items and selection.
self._itemcollection = None
self._selectionmode = SELECTION_MULTIPLE
if collection:
self.set_items(collection)
else:
self._itemcollection = ListItemCollection()
self._itemcollection.list_changed = self._list_has_changed
self._itemcollection.item_changed = self._item_has_changed
self.child = ListViewPort(self)
def _list_contents(self):
"""F.list_contents (...) -> None
Populates the directory contents to the scrolled list.
"""
items = ListItemCollection()
items.append(FileListItem(os.pardir, stat.S_IFDIR))
stats = None
files = []
dirs = []
dappend = dirs.append
fappend = files.append
entries = os.listdir(self._directory)
isdir = os.path.isdir
pjoin = os.path.join
for filename in entries:
if isdir(pjoin(self._directory, filename)):
dappend(filename)
else:
fappend(filename)
dirs.sort()
files.sort()
map(items.append, [FileListItem(d, stat.S_IFDIR) for d in dirs])
for filename in files:
stats = os.stat(pjoin(self._directory, filename))
items.append(FileListItem(filename, stats.st_mode))
self.set_items(items)
def set_items(self, items):
"""S.set_items (...) -> None
Sets a collection of items to display.
"""
old = self._itemcollection
self.vscrollbar.value = 0
self.hscrollbar.value = 0
if isinstance(items, ListItemCollection):
self._itemcollection = items
else:
self._itemcollection = ListItemCollection(items)
self._itemcollection.list_changed = self._list_has_changed
self._itemcollection.item_changed = self._item_has_changed
old.list_changed = None
old.item_changed = None
del old
if len(self._itemcollection) > 0:
self._cursor = self._itemcollection[0]
else:
self._cursor = None
self._list_has_changed(self._itemcollection)
# ListItemCollection example.
from ocempgui.widgets.components import ListItemCollection, TextListItem
# Item change handler.
def item_has_changed (item):
print "Item '%s' has changed" % item.text
# List change handler.
def list_has_changed (l):
print "List now contains %d item(s)" % l.length
collection = ListItemCollection ()
# Set up a notification handler for item changes.
collection.item_changed = item_has_changed
# Set up a notification handler for list changes
collection.list_changed = list_has_changed
for i in xrange (5):
collection.append (TextListItem ("Item no. %d" % i))
collection[2].text = "New text in item 3"
# Use a tuple as constructor argument.
items = (TextListItem ("String 1"), TextListItem ("String 2"),
TextListItem ("String 3"))
collection = ListItemCollection (items)
print "New collection:"
print collection
