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# -*- coding: utf-8 -*-
# -----------------------------------------------------------------------------
# Copyright (c) 2014, Nicolas P. Rougier. All rights reserved.
# Distributed under the terms of the new BSD License.
# -----------------------------------------------------------------------------
import copy
from ...util import logger
from . path import Path
from . base import namespace
from . transformable import Transformable
class Group(Transformable):
def __init__(self, content=None, parent=None):
Transformable.__init__(self, content, parent)
self._items = []
for element in content:
if not element.tag.startswith(namespace):
continue
tag = element.tag[len(namespace):]
if tag == "g":
item = Group(element, self)
elif tag == "path":
item = Path(element, self)
else:
logger.warn("Unhandled SVG tag (%s)" % tag)
continue
self._items.append(item)
@property
def flatten(self):
i = 0
L = copy.deepcopy(self._items)
while i < len(L):
while isinstance(L[i], Group) and len(L[i]._items):
L[i:i + 1] = L[i]._items
i += 1
return L
@property
def paths(self):
return [item for item in self.flatten if isinstance(item, Path)]
def __repr__(self):
s = ""
for item in self._items:
s += repr(item)
return s
@property
def xml(self):
return self._xml()
def _xml(self, prefix=""):
s = prefix + "<g "
s += 'id="%s" ' % self._id
s += self._transform.xml
s += self._style.xml
s += ">\n"
for item in self._items:
s += item._xml(prefix=prefix + " ")
s += prefix + "</g>\n"
return s
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