Separate log model into base class and lazy implementation. Add basis for a filter model based on that

This commit is contained in:
René Stadler 2007-11-14 15:44:01 +02:00 committed by Stefan Sauer
parent c84f0ccd75
commit 09b74c44b2

View file

@ -51,7 +51,7 @@ from GstDebugViewer.Common import utils
from GstDebugViewer import Data, Main
class LazyLogModel (gtk.GenericTreeModel):
class LogModelBase (gtk.GenericTreeModel):
__metaclass__ = Common.GUI.MetaModel
@ -66,12 +66,99 @@ class LazyLogModel (gtk.GenericTreeModel):
"COL_OBJECT", str,
"COL_MESSAGE", str,)
def __init__ (self, log_obj = None):
def __init__ (self):
gtk.GenericTreeModel.__init__ (self)
##self.props.leak_references = False
self.line_offsets = []
self.line_cache = {}
def on_get_flags (self):
flags = gtk.TREE_MODEL_LIST_ONLY | gtk.TREE_MODEL_ITERS_PERSIST
return flags
def on_get_n_columns (self):
return len (self.column_types)
def on_get_column_type (self, col_id):
return self.column_types[col_id]
def on_get_iter (self, path):
if len (path) > 1:
raise ValueError ("flat model")
line_index = path[0]
return line_index
def on_get_path (self, line_index):
return (line_index,)
def on_get_value (self, line_index, col_id):
if line_index > len (self.line_offsets) - 1:
return None
line_offset = self.line_offsets[line_index]
self.ensure_cached (line_offset)
return self.line_cache[line_offset][col_id]
def on_iter_next (self, line_index):
if line_index > len (self.line_offsets) - 1:
return None
else:
return line_index + 1
def on_iter_children (self, parent):
return self.on_iter_nth_child (parent, 0)
def on_iter_has_child (self, line_index):
return False
def on_iter_n_children (self, rowref):
if rowref is not None:
return 0
return len (self.line_offsets)
def on_iter_nth_child (self, parent, n):
if parent or n > len (self.line_offsets) - 1:
return None
else:
return n ## self.line_offsets[n]
def on_iter_parent (self, child):
return None
## def on_ref_node (self, rowref):
## pass
## def on_unref_node (self, rowref):
## pass
class LazyLogModel (LogModelBase):
def __init__ (self, log_obj = None):
LogModelBase.__init__ (self)
self.__log_obj = log_obj
self.__line_regex = Data.default_log_line_regex ()
@ -85,25 +172,21 @@ class LazyLogModel (gtk.GenericTreeModel):
self.COL_FUNCTION,
self.COL_OBJECT,
self.COL_MESSAGE,)
self.__line_offsets = []
self.__line_cache = {}
if log_obj:
self.set_log (log_obj)
def set_log (self, log_obj):
self.__line_cache.clear ()
self.__line_offsets = log_obj.line_cache.offsets
self.__fileobj = log_obj.fileobj
def __ensure_cached (self, line_index):
self.line_cache.clear ()
self.line_offsets = log_obj.line_cache.offsets
if line_index in self.__line_cache:
def ensure_cached (self, line_offset):
if line_offset in self.line_cache:
return
line_offset = self.__line_offsets[line_index]
if line_offset == 0:
self.__fileobj.seek (0)
line = self.__fileobj.readline ()
@ -135,81 +218,23 @@ class LazyLogModel (gtk.GenericTreeModel):
groups = [x[1] for x in sorted (zip (self.__line_match_order,
groups))]
self.__line_cache[line_index] = groups
self.line_cache[line_offset] = groups
def on_get_flags (self):
class FilteredLogModel (LogModelBase):
flags = gtk.TREE_MODEL_LIST_ONLY | gtk.TREE_MODEL_ITERS_PERSIST
def __init__ (self, lazy_log_model):
return flags
LogModelBase.__init__ (self)
def on_get_n_columns (self):
self.parent_model = lazy_log_model
return len (self.column_types)
self.line_offsets = []
self.line_cache = lazy_log_model.line_cache
def on_get_column_type (self, index):
def ensure_cached (self, line_index):
return self.column_types[index]
def on_get_iter (self, path):
if len (path) > 1:
raise ValueError ("flat model")
line_index = path[0]
return line_index
def on_get_path (self, rowref):
return (rowref,)
def on_get_value (self, rowref, column):
if rowref >= len (self.__line_offsets):
return None
self.__ensure_cached (rowref)
return self.__line_cache[rowref][column]
def on_iter_next (self, rowref):
if rowref >= len (self.__line_offsets):
return None
else:
return rowref + 1
def on_iter_children (self, parent):
return self.on_iter_nth_child (parent, 0)
def on_iter_has_child (self, rowref):
return False
def on_iter_n_children (self, rowref):
return len (self.__line_offsets)
def on_iter_nth_child (self, parent, n):
if parent or n >= len (self.__line_offsets):
return None
else:
return n ## self.__line_offsets[n]
def on_iter_parent (self, child):
return None
def on_ref_node (self, rowref):
pass
def on_unref_node (self, rowref):
pass
line_offset = self.line_offsets[line_index]
self.parent_model.ensure_cached (line_offset)
# Sync with gst-inspector!
class Column (object):