| 15 |
from messages import MAPS_CHANGED, EXTENSIONS_CHANGED, FILENAME_CHANGED, \ |
from messages import MAPS_CHANGED, EXTENSIONS_CHANGED, FILENAME_CHANGED, \ |
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MAP_LAYERS_CHANGED, MAP_PROJECTION_CHANGED, \ |
MAP_LAYERS_CHANGED, MAP_PROJECTION_CHANGED, \ |
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LAYER_CHANGED, LAYER_PROJECTION_CHANGED, LAYER_VISIBILITY_CHANGED,\ |
LAYER_CHANGED, LAYER_PROJECTION_CHANGED, LAYER_VISIBILITY_CHANGED,\ |
| 18 |
EXTENSION_CHANGED, EXTENSION_OBJECTS_CHANGED, CHANGED |
EXTENSION_CHANGED, EXTENSION_OBJECTS_CHANGED, CHANGED, \ |
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|
TABLE_REMOVED |
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|
|
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from Thuban import _ |
from Thuban import _ |
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|
|
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from base import TitledObject, Modifiable |
from base import TitledObject, Modifiable |
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from map import Map |
from map import Map |
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from data import ShapefileStore |
from data import ShapefileStore |
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|
from table import DBFTable |
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|
|
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from transientdb import TransientDatabase, AutoTransientTable |
from transientdb import TransientDatabase, AutoTransientTable |
| 29 |
|
|
| 203 |
""" |
""" |
| 204 |
return self.tables + [store.Table() for store in self.ShapeStores()] |
return self.tables + [store.Table() for store in self.ShapeStores()] |
| 205 |
|
|
| 206 |
|
def UnreferencedTables(self): |
| 207 |
|
"""Return the tables that are not referenced by other data sources""" |
| 208 |
|
known = {} |
| 209 |
|
for table in self.tables: |
| 210 |
|
known[id(table)] = 0 |
| 211 |
|
for table in self.tables + self.ShapeStores(): |
| 212 |
|
for dep in table.Dependencies(): |
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|
known[id(dep)] = 1 |
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|
return [table for table in self.tables if known[id(table)] == 0] |
| 215 |
|
|
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def AddTable(self, table): |
def AddTable(self, table): |
| 217 |
"""Add the table to the session |
"""Add the table to the session |
| 218 |
|
|
| 237 |
else: |
else: |
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transient_table = table |
transient_table = table |
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self.tables.append(transient_table) |
self.tables.append(transient_table) |
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|
self.changed() |
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return transient_table |
return transient_table |
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|
|
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def RemoveTable(self, table): |
def RemoveTable(self, table): |
| 246 |
The table object must be a table object previously returned by |
The table object must be a table object previously returned by |
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the AddTable method. If the table is not part of the session |
the AddTable method. If the table is not part of the session |
| 248 |
raise a ValueError. |
raise a ValueError. |
| 249 |
|
|
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|
Issue a TABLE_REMOVED message after the table has been removed. |
| 251 |
|
The message has the removed table as the single parameter. |
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""" |
""" |
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tables = [t for t in self.tables if t is not table] |
tables = [t for t in self.tables if t is not table] |
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if len(tables) == len(self.tables): |
if len(tables) == len(self.tables): |
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raise ValueError |
raise ValueError |
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self.tables = tables |
self.tables = tables |
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|
self.changed(TABLE_REMOVED, table) |
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|
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|
def OpenTableFile(self, filename): |
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|
"""Open the table file filename and return the table object. |
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|
|
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The filename argument must be the name of a DBF file. |
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|
""" |
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return self.AddTable(DBFTable(filename)) |
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|
|
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def temp_directory(self): |
def temp_directory(self): |
| 267 |
""" |
""" |
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