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More work on toc highlighting

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This commit is contained in:
Kovid Goyal 2016-12-24 11:05:13 +05:30
parent c8a52515ef
commit a35f1b7d26
1 changed files with 16 additions and 2 deletions
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18
src/pyj/read_book/toc.pyj
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@ -16,7 +16,14 @@ def update_visible_toc_nodes(visible_anchors):
update_visible_toc_nodes.data = {}
def get_highlighted_toc_nodes(toc, parent_map, id_map):
def iter_toc_nodes(node, callback):
if callback(node):
return
for child in node.children:
if callback(child):
return
def get_highlighted_toc_nodes(toc, spine, parent_map, id_map):
data = update_visible_toc_nodes.data
ans = {}
if data.has_visible:
@ -25,7 +32,14 @@ def get_highlighted_toc_nodes(toc, parent_map, id_map):
if data.before:
ans[data.before] = True
else:
pass # TODO: implement this
nodes_before = v'[]'
iter_toc_nodes(toc, def(node):
if node.dest is current_spine_item():
return True
nodes_before.push(node)
)
if nodes_before.length:
ans[nodes_before[-1].id] = True
for node_id in Object.keys(ans):
pid = parent_map[node_id]
while pid: