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Implement backward search result navigation

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This commit is contained in:
René Stadler 2007-12-10 17:40:31 +02:00 committed by Stefan Sauer
parent d6240e93a7
commit ca40c5e58a
1 changed files with 41 additions and 25 deletions
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66
debug-viewer/GstDebugViewer/Plugins/FindBar.py
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@ -74,16 +74,27 @@ class SearchSentinel (object):
model = operation.model
if operation.start_position is not None:
start_iter = model.iter_nth_child (None, operation.start_position)
start_pos = operation.start_position
elif operation.search_forward:
start_pos = 0
else:
start_iter = model.iter_nth_child (None, 0)
start_pos = len (model) - 1
if not operation.search_forward:
# FIXME:
raise NotImplementedError ("backward search not supported yet")
start_iter = model.iter_nth_child (None, start_pos)
match_func = operation.match_func
iter_next = model.iter_next
if operation.search_forward:
iter_next = model.iter_next
else:
# FIXME: This is really ugly.
nth_child = model.iter_nth_child
def iter_next_ ():
for i in xrange (start_pos, -1, -1):
yield nth_child (None, i)
yield None
it_ = iter_next_ ()
def iter_next (it):
return it_.next ()
YIELD_LIMIT = 1000
i = YIELD_LIMIT
@ -284,21 +295,19 @@ class FindBarFeature (FeatureBase):
def handle_goto_previous_search_result_action_activate (self, action):
# FIXME:
pass
if self.prev_match is None:
self.logger.warning ("inconsistent action sensitivity")
return
## model = self.log_view.props.model
self.scroll_view_to_line (self.prev_match)
self.prev_match = None
## start_path, end_path = self.log_view.get_visible_range ()
## start_index, end_index = start_path[0], end_path[0]
start_path = self.log_view.get_visible_range ()[0]
new_position = start_path[0] - 1
self.start_search_operation (start_position = new_position,
forward = False)
## for line_index in reversed (self.matches):
## if line_index < start_index:
## break
## else:
## return
## self.scroll_view_to_line (line_index)
# FIXME
def handle_goto_next_search_result_action_activate (self, action):
@ -311,7 +320,8 @@ class FindBarFeature (FeatureBase):
end_path = self.log_view.get_visible_range ()[1]
new_position = end_path[0] + 1
self.start_search_operation (start_position = new_position)
self.start_search_operation (start_position = new_position,
forward = True)
# FIXME: Finish.
## model = self.log_view.props.model
@ -383,7 +393,9 @@ class FindBarFeature (FeatureBase):
raise ValueError ("search_text not given but have no previous search operation")
search_text = operation.search_text
self.operation = SearchOperation (model, search_text, start_position = start_position)
self.operation = SearchOperation (model, search_text,
start_position = start_position,
search_forward = forward)
self.sentinel.run_for (self.operation)
def handle_match_found (self, model, tree_iter):
@ -407,18 +419,22 @@ class FindBarFeature (FeatureBase):
if self.scroll_match:
self.logger.debug ("scrolling to matching line")
self.scroll_view_to_line (line_index)
# FIXME: Implement backward search!!!
# Now search for the next one:
self.scroll_match = False
self.start_search_operation (start_position = line_index + 1)
# FIXME: Start with first line that is outside of the visible range.
self.start_search_operation (start_position = line_index + 1,
forward = forward_search)
else:
if forward_search:
self.next_match = line_index
self.search_state = "search-backward"
self.start_search_operation (forward = False,
start_position = line_index - 1)
else:
self.prev_match = line_index
self.update_sensitivity ()
self.bar.clear_status ()
self.update_sensitivity ()
self.bar.clear_status ()
def handle_search_complete (self):