import six

from . import Utility

from . import Color

class Alignment(object):

def __init__(self, horizontal='left', vertical='bottom', rotation=0, wrap_text=False):

self._horizontal = horizontal

self._vertical = vertical

self._rotation = rotation

self._wrap_text = wrap_text

@property

def wrap_text(self):

return self._wrap_text

@wrap_text.setter

def wrap_text(self, value):

if value not in (True, False):

raise TypeError('Invalid wrap text alignment value. Expects either True or False.')

self._wrap_text = value

@property

def horizontal(self):

return self._horizontal

@horizontal.setter

def horizontal(self, value):

if value not in ('left', 'center', 'right'):

raise ValueError('Invalid horizontal alignment value. Expects either \'left\', \'center\', or \'right\'.')

self._horizontal = value

@property

def vertical(self):

return self._vertical

@vertical.setter

def vertical(self, value):

if value not in ('top', 'center', 'bottom'):

raise ValueError('Invalid vertical alignment value. Expects either \'top\', \'center\', or \'bottom\'.')

self._vertical = value

@property

def rotation(self):

return self._rotation

@rotation.setter

def rotation(self, value):

self._rotation = (value % 360)

@property

def is_default(self):

return self._horizontal == 'left' and self._vertical == 'bottom' and self._rotation == 0 and not self._wrap_text

def get_xml_string(self):

return "<alignment horizontal=\"%s\" vertical=\"%s\" textRotation=\"%.15g\" wrapText=\"%d\"/>" % (self._horizontal, self._vertical, self._rotation, 1 if self._wrap_text else 0)

def __or__(self, other):

return self._binary_operation(other, Utility.nonboolean_or)

def __and__(self, other):

return self._binary_operation(other, Utility.nonboolean_and)

def __xor__(self, other):

return self._binary_operation(other, Utility.nonboolean_xor)

def _binary_operation(self, other, operation):

return Alignment( \

horizontal = operation(self._horizontal, other._horizontal, 'left'), \

vertical = operation(self._vertical, other._vertical, 'bottom'), \

rotation = operation(self._rotation, other._rotation, 0), \

wrap_text = operation(self._wrap_text, other._wrap_text, False)

)

def __eq__(self, other):

if other is None:

return self.is_default

elif Utility.YOLO:

return self._vertical == other._vertical and self._rotation == other._rotation

else:

return self._vertical == other._vertical and self._rotation == other._rotation and self._horizontal == other._horizontal and self._wrap_text == other._wrap_text

def __hash__(self):

return hash((self._horizontal, self._wrap_text))

def __str__(self):

return "Align: %s %s %s" % (self._horizontal, self._vertical, self._rotation)