from typing import Optional
from decimal import Decimal
from fractions import Fraction
from validator_collection import validators
from highcharts_core.decorators import class_sensitive
from highcharts_core.metaclasses import HighchartsMeta
from highcharts_core.utility_classes.animation import AnimationOptions
[docs]class PatternOptions(HighchartsMeta):
"""Definition of a pattern."""
def __init__(self, **kwargs):
self._aspect_ratio = None
self._background_color = None
self._color = None
self._height = None
self._id = None
self._image = None
self._opacity = None
self._path = None
self._pattern_transform = None
self._width = None
self._x = None
self._y = None
self.aspect_ratio = kwargs.get('aspect_ratio', None)
self.background_color = kwargs.get('background_color', None)
self.color = kwargs.get('color', None)
self.height = kwargs.get('height', None)
self.id = kwargs.get('id', None)
self.image = kwargs.get('image', None)
self.opacity = kwargs.get('opacity', None)
self.path = kwargs.get('path', None)
self.pattern_transform = kwargs.get('pattern_transform', None)
self.width = kwargs.get('width', None)
self.x = kwargs.get('x', None)
self.y = kwargs.get('y', None)
@property
def aspect_ratio(self) -> Optional[int | float | Decimal | Fraction]:
"""For automatically calculated width and height on images, it is possible to set
an aspect ratio. The image will be zoomed to fill the bounding box, maintaining
the aspect ratio defined.
:returns: The aspect ratio applied.
:rtype: numeric or :obj:`None <python:None>`
"""
return self._aspect_ratio
@aspect_ratio.setter
def aspect_ratio(self, value):
self._aspect_ratio = validators.numeric(value, allow_empty = True)
@property
def background_color(self) -> Optional[str]:
"""Background color for the pattern if a :meth:`PatternOptions.path` is set (not
images).
:rtype: :class:`str <python:str>` or :obj:`None <python:None>`
"""
return self._background_color
@background_color.setter
def background_color(self, value):
self._background_color = validators.string(value, allow_empty = True)
@property
def color(self) -> Optional[str]:
"""Pattern color, used as default path stroke.
:rtype: :class:`str <python:str>` or :obj:`None <python:None>`
"""
return self._color
@color.setter
def color(self, value):
self._color = validators.string(value, allow_empty = True)
@property
def height(self) -> Optional[int | float | Decimal]:
"""Height of the pattern expressed in pixels.
.. note::
For images this is automatically set to the height of the element bounding box
if not supplied.
For non-image patterns the default is ``32px``.
Note that automatic resizing of image patterns to fill a bounding box
dynamically is only supported for patterns with an automatically calculated ID.
:rtype: numeric or :obj:`None <python:None>`
"""
return self._height
@height.setter
def height(self, value):
self._height = validators.numeric(value, allow_empty = True)
@property
def id(self) -> Optional[str]:
"""ID to assign to the pattern.
.. note::
This is automatically computed if not specified explicitly, and identical
patterns are reused.
To refer to an existing pattern for a Highcharts color in JavaScript, use color:
``"url(#pattern-id)"``.
:rtype: :class:`str <python:str>` or :obj:`None <python:None>`
"""
return self._id
@id.setter
def id(self, value):
self._id = validators.string(value, allow_empty = True)
@property
def image(self) -> Optional[str]:
"""URL to an image to use as the pattern.
:rtype: :class:`str <python:str>` or :obj:`None <python:None>`
:raises ValueError: if value provided is not URL or path-like
"""
return self._image
@image.setter
def image(self, value):
try:
self._image = validators.url(value, allow_empty = True)
except ValueError:
self._image = validators.path(value, allow_empty = True)
@property
def opacity(self) -> Optional[float]:
"""Opacity of the pattern as a float value from 0 to 1.
:rtype: :class:`float <python:float` or :obj:`None <python:None>`
:raises ValueError: if outside the range 0 - 1
"""
return self._opacity
@opacity.setter
def opacity(self, value):
self._opacity = validators.float(value,
allow_empty = True,
minimum = 0,
maximum = 1)
@property
def path(self) -> Optional[str]:
"""An SVG path expressed as a string.
.. note::
If a path is supplied for the pattern, the :meth:`PatternOptions.image` property
is ignored.
.. warning::
Highcharts for Python does not yet support the JavaScript
``Highcharts.SVGAttributes`` object. Only strings are currently supported.
.. todo:
Add ``Highcharts.SVGAttributes`` to utility classes.
:rtype: :class:`str <python:str>` or :obj:`None <python:None>`
"""
return self._path
@path.setter
def path(self, value):
self._path = validators.string(value, allow_empty = True)
@property
def pattern_transform(self) -> Optional[str]:
"""SVG ``patternTransform`` to apply to the entire pattern.
:rtype: :class:`str <python:str>` or :obj:`None <python:None>`
"""
return self._pattern_transform
@pattern_transform.setter
def pattern_transform(self, value):
self._pattern_transform = validators.string(value, allow_empty = True)
@property
def width(self) -> Optional[int | float | Decimal]:
"""Width of the pattern expressed in pixels.
.. note::
For images this is automatically set to the width of the element bounding box
if not supplied.
For non-image patterns the default is ``32px``.
Note that automatic resizing of image patterns to fill a bounding box
dynamically is only supported for patterns with an automatically calculated ID.
:rtype: numeric or :obj:`None <python:None>`
"""
return self._width
@width.setter
def width(self, value):
self._width = validators.numeric(value, allow_empty = True)
@property
def x(self) -> Optional[int | float | Decimal]:
"""Horizontal offset applied to the pattern. Defaults to ``0``.
:rtype: numeric or :obj:`None <python:None>`
"""
return self._x
@x.setter
def x(self, value):
self._x = validators.numeric(value, allow_empty = True)
@property
def y(self) -> Optional[int | float | Decimal]:
"""Vertical offset applied to the pattern. Defaults to ``0``.
:rtype: numeric or :obj:`None <python:None>`
"""
return self._y
@y.setter
def y(self, value):
self._y = validators.numeric(value, allow_empty = True)
@classmethod
def _get_kwargs_from_dict(cls, as_dict):
kwargs = {
'aspect_ratio': as_dict.get('aspectRatio', None),
'background_color': as_dict.get('backgroundColor', None),
'color': as_dict.get('color', None),
'height': as_dict.get('height', None),
'id': as_dict.get('id', None),
'image': as_dict.get('image', None),
'opacity': as_dict.get('opacity', None),
'path': as_dict.get('path', None),
'pattern_transform': as_dict.get('patternTransform', None),
'width': as_dict.get('width', None),
'x': as_dict.get('x', None),
'y': as_dict.get('y', None)
}
return kwargs
def _to_untrimmed_dict(self, in_cls = None) -> dict:
untrimmed = {
'aspectRatio': self.aspect_ratio,
'backgroundColor': self.background_color,
'color': self.color,
'height': self.height,
'id': self.id,
'image': self.image,
'opacity': self.opacity,
'path': self.path,
'patternTransform': self.pattern_transform,
'width': self.width,
'x': self.x,
'y': self.y
}
return untrimmed
[docs]class Pattern(HighchartsMeta):
"""Holds a pattern definition."""
def __init__(self, **kwargs):
self._animation = None
self._pattern_options = None
self._pattern_index = None
self.animation = kwargs.get('animation', None)
self.pattern_options = kwargs.get('pattern_options', None)
self.pattern_index = kwargs.get('pattern_index', None)
@property
def animation(self) -> Optional[AnimationOptions]:
"""Animations options for the loading of image patterns.
:returns: Settings for the animation of image patterns.
:rtype: :class:`AnimationOptions` or :obj:`None <python:None>`
"""
return self._animation
@animation.setter
@class_sensitive(AnimationOptions)
def animation(self, value):
self._animation = value
@property
def pattern_options(self) -> Optional[PatternOptions]:
"""Options to define a Pattern.
:rtype: :class:`PatternOptions` or :obj:`None <python:None>`
"""
return self._pattern_options
@pattern_options.setter
@class_sensitive(PatternOptions)
def pattern_options(self, value):
self._pattern_options = value
@property
def pattern_index(self) -> Optional[int]:
"""An optional index that indicates which of Highcharts default patterns to apply.
Default patterns are part of the (JavaScript) ``Highcharts.patterns`` array, and
additional patterns may be added to that array as well.
:rtype: :class:`int <python:int>` or :obj:`None <python:None>`
"""
return self._pattern_index
@pattern_index.setter
def pattern_index(self, value):
self._pattern_index = validators.integer(value,
allow_empty = True,
minimum = True,
coerce_value = True)
@classmethod
def _get_kwargs_from_dict(cls, as_dict):
pattern_options = as_dict.get('pattern', None) or \
as_dict.get('pattern_options', None) or \
as_dict.get('patternOptions', None)
kwargs = {
'animation': as_dict.get('animation', None),
'pattern_options': pattern_options,
'pattern_index': as_dict.get('patternIndex', None)
}
return kwargs
def _to_untrimmed_dict(self, in_cls = None) -> dict:
untrimmed = {
'animation': self.animation,
'pattern': self.pattern_options,
'patternIndex': self.pattern_index
}
return untrimmed