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# MapList.py
# This file is part of Labyrinth
#
# Copyright (C) 2006 - Andreas Sliwka <sndreas.sliwka@gmail.com>
#
# Labyrinth is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# Labyrinth is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Labyrinth; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor,
# Boston, MA 02110-1301 USA
#
import os
import utils
import pygtk
import gtk
import xml.dom.minidom as dom
import datetime
class MapList(object):
COL_ID = 0
COL_TITLE = 1
COL_FNAME = 2
COL_OPEN = 3
"""Holds the list of maps. has a couple of convinience functions. Sings irish folk
this is (regarding to MCV) a model class. """
class MapCore(object):
__slots__ = "__dict__ filename title nodes window index".split(" ")
def __init__(self, index):
self.__dict__["filename"] = None
self.__dict__["title"] = None
self.__dict__["modtime"] = None
self.__dict__["nodes"] = []
self.__dict__["window"] = None
self.__dict__["index"] = index
def _read_from_file(self, filename):
doc = dom.parse (filename)
top_element = doc.documentElement
self.filename = filename
self.title = top_element.getAttribute ("title")
self.window = None
def __getattr__(self, key):
dict = self.__dict__
if key in dict:
return dict[key]
else:
raise ValueError("Class MapCore does not have an attribute named %s" % key)
def __setattr__(self, key, value):
dict = self.__dict__
if key in dict:
old_value=dict[key]
dict[key]=value
else:
raise ValueError("Class MapCore does not have an attribute named %s" % key)
if "dont_listen" in dict: return
listener = "_%s_changed" % key
class_dict = self.__class__.__dict__
if listener in class_dict and callable(class_dict[listener]):
class_dict[listener](self, value, old_value)
# these listeners get called after the attribute has been changed already
def _filename_changed(self, value, old_value):
if not old_value is None:
del MapList._maps_by_filename[old_value]
if not value is None:
MapList._maps_by_filename[value] = self.index
def _title_changed(self, value, old_value):
MapList._at_col_set_value(self.index, MapList.COL_TITLE, value)
def __str__(self):
return "<MapCore title='%s' window='%s'>" % (self.title, self.window and "yes" or "no")
def __repr__(self):
return self.__str__()
_maps = []
_maps_by_filename = {}
tree_view_model = gtk.ListStore(int, str, str, str, 'gboolean')
def __init__(self):
raise Exception("This class is a singleton full of classmethods, dont instantiate it.")
@classmethod
def load_all_from_dir(cls,dir):
for f in os.listdir(dir):
if not os.path.isdir(dir+f):
cls.new_from_file(dir+f)
@classmethod
def new_from_file(cls, filename):
index = len(cls._maps)
map = cls.MapCore(index = index)
cls._maps.append(map)
map.modtime = datetime.datetime.fromtimestamp(os.stat(filename)[8]).strftime("%x %X")
cls.tree_view_model.append([map.index, map.title, map.modtime, map.filename, False])
map._read_from_file(filename)
return map
@classmethod
def create_empty_map(cls):
index = cls.next_col_id ()
map = cls.MapCore(index = index)
map.modtime = datetime.datetime.now().strftime("%x %X")
cls._maps.append(map)
cls.tree_view_model.append([map.index, map.title, map.modtime, map.filename, False])
return map
@classmethod
def __str__(cls):
return "<MapList>\n\t%s\n</MapList>" % "\n\t".join([ map.__str__() for map in cls._maps])
@classmethod
def delete(cls, map):
index = cls._maps.index(map)
del cls._maps[ index ]
if map.filename:
del cls._maps_by_filename[map.filename]
os.unlink(map.filename)
iter = cls.get_iter_by_col_id(map.index)
if iter:
cls.tree_view_model.remove(iter)
@classmethod
def index(cls, map):
cls._maps.index(map)
# these functions return None or a single MapCore
@classmethod
def get_by_index(cls, index):
for map in cls._maps:
if map.index == index:
return map
return None
@classmethod
def __getitem__(cls, index):
return cls._maps[index]
@classmethod
def get_by_filename(cls, name):
return cls._maps[cls._maps_by_filename[name]]
@classmethod
def get_by_window(cls, window):
for map in cls._maps:
if map.window == window:
return map
return None
#These functions return a (possibly empty) list of MapCores
@classmethod
def get_open_windows(cls):
return [map for map in cls._maps if map.window is not None]
# other functions
@classmethod
def count(cls):
return len(cls._maps)
# these functions wrap the gtk.ListStore that is used as View
@classmethod
def get_TreeViewModel(cls):
return cls.tree_view_model
@classmethod
def _at_col_set_value(cls, col_id, col, value):
iter = cls.get_iter_by_col_id (col_id)
if iter:
cls.tree_view_model.set_value(iter, col, value)
@classmethod
def get_iter_by_col_id(cls, col_id):
found = False
iter = cls.tree_view_model.get_iter_first ()
while iter:
(num,) = cls.tree_view_model.get (iter, MapList.COL_ID)
if col_id == num:
found = True
break
iter = cls.tree_view_model.iter_next (iter)
if not found:
iter = None
return iter
@classmethod
def next_col_id(cls):
next_col_id = -1
iter = cls.tree_view_model.get_iter_first ()
while iter:
(num,) = cls.tree_view_model.get (iter, MapList.COL_ID)
if next_col_id < num:
next_col_id = num
iter = cls.tree_view_model.iter_next (iter)
return next_col_id + 1
MapList.load_all_from_dir(utils.get_save_dir ())
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