2013-03-24 22:27:27 +00:00

492 lines
15 KiB
Python

#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2003-2007 Donald N. Allingham
# Copyright (C) 2007-2008 Brian G. Matherly
# Copyright (C) 2010 Jakim Friant
# Copyright (C) 2011-2012 Paul Franklin
#
# This program 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.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# $Id$
# Written by Alex Roitman,
# largely based on the BaseDoc classes by Don Allingham
#-------------------------------------------------------------------------
#
# Standard Python modules
#
#-------------------------------------------------------------------------
from ...const import GRAMPS_LOCALE as glocale
_ = glocale.get_translation().gettext
#------------------------------------------------------------------------
#
# Set up logging
#
#------------------------------------------------------------------------
import logging
log = logging.getLogger(".Book")
import os
#-------------------------------------------------------------------------
#
# SAX interface
#
#-------------------------------------------------------------------------
try:
from xml.sax import make_parser, handler, SAXParseException
from xml.sax.saxutils import escape
except:
from _xmlplus.sax import make_parser, handler, SAXParseException
from _xmlplus.sax.saxutils import escape
#-------------------------------------------------------------------------
#
# gramps modules
#
#-------------------------------------------------------------------------
from ...const import HOME_DIR
from ...utils.cast import get_type_converter_by_name, type_name
from ..docgen import StyleSheet, StyleSheetList
from .. import BasePluginManager
from . import book_categories
from ...constfunc import cuni
#------------------------------------------------------------------------
#
# Private Constants
#
#------------------------------------------------------------------------
_UNSUPPORTED = _("Unsupported")
#------------------------------------------------------------------------
#
# Book Item class
#
#------------------------------------------------------------------------
class BookItem(object):
"""
Interface into the book item -- a smallest element of the book.
"""
def __init__(self, dbase, name):
"""
Create a new empty BookItem.
name: the book item is retrieved
from the book item registry using name for lookup
"""
self.dbase = dbase
self.style_name = "default"
pmgr = BasePluginManager.get_instance()
for pdata in pmgr.get_reg_bookitems():
if pdata.id == name:
self.translated_name = pdata.name
if not pdata.supported:
self.category = _UNSUPPORTED
else:
self.category = book_categories[pdata.category]
mod = pmgr.load_plugin(pdata)
self.write_item = eval('mod.' + pdata.reportclass)
self.name = pdata.id
oclass = eval('mod.' + pdata.optionclass)
self.option_class = oclass(self.name, self.dbase)
self.option_class.load_previous_values()
def get_name(self):
"""
Return the name of the item.
"""
return self.name
def get_translated_name(self):
"""
Return the translated name of the item.
"""
return self.translated_name
def get_category(self):
"""
Return the category of the item.
"""
return self.category
def get_write_item(self):
"""
Return the report-writing function of the item.
"""
return self.write_item
def set_style_name(self, style_name):
"""
Set the style name for the item.
style_name: name of the style to set.
"""
self.style_name = style_name
def get_style_name(self):
"""
Return the style name of the item.
"""
return self.style_name
#------------------------------------------------------------------------
#
# Book class
#
#------------------------------------------------------------------------
class Book(object):
"""
Interface into the user-defined book -- a collection of book items.
"""
def __init__(self, obj=None):
"""
Create a new empty Book.
obj: if not None, creates the Book from the values in
obj, instead of creating an empty Book.
"""
self.name = ""
self.dbname = ""
if obj:
self.item_list = obj.item_list
else:
self.item_list = []
def set_name(self, name):
"""
Set the name of the book.
name: the name to set.
"""
self.name = name
def get_name(self):
"""
Return the name of the book.
"""
return self.name
def get_dbname(self):
"""
Return the name of the database file used for the book.
"""
return self.dbname
def set_dbname(self, name):
"""
Set the name of the database file used for the book.
name: a filename to set.
"""
self.dbname = name
def clear(self):
"""
Clears the contents of the book.
"""
self.item_list = []
def append_item(self, item):
"""
Add an item to the book.
item: an item to append.
"""
self.item_list.append(item)
def insert_item(self, index, item):
"""
Inserts an item into the given position in the book.
index: a position index.
item: an item to append.
"""
self.item_list.insert(index, item)
def pop_item(self, index):
"""
Pop an item from given position in the book.
index: a position index.
"""
return self.item_list.pop(index)
def get_item(self, index):
"""
Return an item at a given position in the book.
index: a position index.
"""
return self.item_list[index]
def set_item(self, index, item):
"""
Set an item at a given position in the book.
index: a position index.
item: an item to set.
"""
self.item_list[index] = item
def get_item_list(self):
"""
Return list of items in the current book.
"""
return self.item_list
#------------------------------------------------------------------------
#
# BookList class
#
#------------------------------------------------------------------------
class BookList(object):
"""
Interface into the user-defined list of books.
BookList is loaded from a specified XML file if it exists.
"""
def __init__(self, filename, dbase):
"""
Create a new BookList from the books that may be defined in the
specified file.
file: XML file that contains book items definitions
"""
self.dbase = dbase
self.bookmap = {}
self.file = os.path.join(HOME_DIR, filename)
self.parse()
def delete_book(self, name):
"""
Remove a book from the list. Since each book must have a
unique name, the name is used to delete the book.
name: name of the book to delete
"""
del self.bookmap[name]
def get_book_map(self):
"""
Return the map of names to books.
"""
return self.bookmap
def get_book(self, name):
"""
Return the Book associated with the name
name: name associated with the desired Book.
"""
return self.bookmap[name]
def get_book_names(self):
"Return a list of all the book names in the BookList, sorted"
return sorted(self.bookmap.keys())
def set_book(self, name, book):
"""
Add or replaces a Book in the BookList.
name: name associated with the Book to add or replace.
book: definition of the Book
"""
self.bookmap[name] = book
def save(self):
"""
Saves the current BookList to the associated file.
"""
f = open(self.file, "w")
f.write("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n")
f.write('<booklist>\n')
for name in sorted(self.bookmap): # enable a diff of archived copies
book = self.get_book(name)
dbname = book.get_dbname()
f.write('<book name="%s" database="%s">\n' % (name, dbname) )
for item in book.get_item_list():
f.write(' <item name="%s" trans_name="%s">\n' %
(item.get_name(),item.get_translated_name() ) )
options = item.option_class.handler.options_dict
for option_name in sorted(options.keys()): # enable a diff
option_value = options[option_name]
if isinstance(option_value, (list, tuple)):
f.write(' <option name="%s" value="" '
'length="%d">\n' % (
escape(option_name),
len(options[option_name]) ) )
for list_index in range(len(option_value)):
option_type = type_name(option_value[list_index])
value = escape(cuni(option_value[list_index]))
value = value.replace('"', '&quot;')
f.write(' <listitem number="%d" type="%s" '
'value="%s"/>\n' % (
list_index,
option_type,
value ) )
f.write(' </option>\n')
else:
option_type = type_name(option_value)
value = escape(cuni(option_value))
value = value.replace('"', '&quot;')
f.write(' <option name="%s" type="%s" '
'value="%s"/>\n' % (
escape(option_name),
option_type,
value) )
f.write(' <style name="%s"/>\n' % item.get_style_name() )
f.write(' </item>\n')
f.write('</book>\n')
f.write('</booklist>\n')
f.close()
def parse(self):
"""
Loads the BookList from the associated file, if it exists.
"""
try:
p = make_parser()
p.setContentHandler(BookParser(self, self.dbase))
the_file = open(self.file)
p.parse(the_file)
the_file.close()
except (IOError, OSError, ValueError, SAXParseException, KeyError,
AttributeError):
pass
#-------------------------------------------------------------------------
#
# BookParser
#
#-------------------------------------------------------------------------
class BookParser(handler.ContentHandler):
"""
SAX parsing class for the Books XML file.
"""
def __init__(self, booklist, dbase):
"""
Create a BookParser class that populates the passed booklist.
booklist: BookList to be loaded from the file.
"""
handler.ContentHandler.__init__(self)
self.dbase = dbase
self.booklist = booklist
self.b = None
self.i = None
self.o = None
self.an_o_name = None
self.an_o_value = None
self.s = None
self.bname = None
self.iname = None
def startElement(self, tag, attrs):
"""
Overridden class that handles the start of a XML element
"""
if tag == "book":
self.b = Book()
self.bname = attrs['name']
self.b.set_name(self.bname)
self.dbname = attrs['database']
self.b.set_dbname(self.dbname)
elif tag == "item":
self.i = BookItem(self.dbase, attrs['name'])
self.o = {}
elif tag == "option":
self.an_o_name = attrs['name']
if 'length' in attrs:
self.an_o_value = []
else:
converter = get_type_converter_by_name(attrs['type'])
self.an_o_value = converter(attrs['value'])
elif tag == "listitem":
converter = get_type_converter_by_name(attrs['type'])
self.an_o_value.append(converter(attrs['value']))
elif tag == "style":
self.s = attrs['name']
else:
pass
def endElement(self, tag):
"Overridden class that handles the end of a XML element"
if tag == "option":
self.o[self.an_o_name] = self.an_o_value
elif tag == "item":
self.i.option_class.handler.options_dict.update(self.o)
self.i.set_style_name(self.s)
self.b.append_item(self.i)
elif tag == "book":
self.booklist.set_book(self.bname, self.b)
#-------------------------------------------------------------------------
#
# Functions
#
#-------------------------------------------------------------------------
def append_styles(selected_style, item):
"""
Append the styles for a book item to the stylesheet.
"""
handler = item.option_class.handler
# Set up default style
handler.set_default_stylesheet_name(item.get_style_name())
default_style = StyleSheet()
make_default_style = item.option_class.make_default_style
make_default_style(default_style)
# Read all style sheets available for this item
style_file = handler.get_stylesheet_savefile()
style_list = StyleSheetList(style_file, default_style)
# Get the selected stylesheet
style_name = handler.get_default_stylesheet_name()
style_sheet = style_list.get_style_sheet(style_name)
for this_style_name in style_sheet.get_paragraph_style_names():
selected_style.add_paragraph_style(
this_style_name,
style_sheet.get_paragraph_style(this_style_name))
for this_style_name in style_sheet.get_draw_style_names():
selected_style.add_draw_style(
this_style_name,
style_sheet.get_draw_style(this_style_name))
for this_style_name in style_sheet.get_table_style_names():
selected_style.add_table_style(
this_style_name,
style_sheet.get_table_style(this_style_name))
for this_style_name in style_sheet.get_cell_style_names():
selected_style.add_cell_style(
this_style_name,
style_sheet.get_cell_style(this_style_name))