def step_test(tree):
node = walk_step(tree, tree.root)
prev_node = node
while True:
if node is None:
node = prev_node
else:
prev_node = node
print node.path
c = getch()
if c == 'q':
break
elif c == 'j': node = walk_step(tree, node, 'next')
elif c == 'k': node = walk_step(tree, node, 'prev')
elif '0' <= c <= '9':
nth_node = tree.root.ls[int(c)]
node = walk_step(tree, nth_node) # start from the nth directory (simulate jumping to a chapter)
if node is None:
print "|---- end ----|"
continue
print "broke out of loop!"
def __init__(self, root):
""" Partial directory view that can be moved around (can't be resized
yet, though that might be useful)
This works internally by storing a node list an using an image
cache to get the image corresponding to a certain node
@param root: the manga root directory
"""
self.tree = fetch.DirTree(root)
self.nodes = []
self.img_cache = ImageCache()
first_node = walk_step(self.tree, self.tree.root)
if first_node is None:
raise EmptyMangaException
self._reset_window_to_node(first_node)
def prev_item(self, path):
node = self.get_node(path)
return walk_step(self, node, 'prev')
def next_item(self, path):
node = self.get_node(path)
return walk_step(self, node, 'next')
def reset_to_path(self, path):
chapter_node = self.tree.get_node(path)
first_node = walk_step(self.tree, chapter_node)
return self._reset_window_to_node(first_node)
