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""" Defines the Preferences class for the Chaco shell.
"""
from enable.api import white_color_trait
from traits.api import Enum, HasTraits, Int, Str
class Preferences(HasTraits):
""" Contains all the preferences that configure the Chaco shell session.
"""
# Width of the plot window, in pixels.
window_width = Int(600)
# Height of the plot window, in pixels.
window_height = Int(600)
# The type of plot to display.
plot_type = Enum("line", "scatter")
# Default name to use for the plot window.
default_window_name = Str("Chaco Plot")
# The default background color.
bgcolor = white_color_trait
# The default location of the origin for new image plots
image_default_origin = Enum("top left", "bottom left",
"bottom right", "top right")
@classmethod
def from_file(cls, filename):
""" Creates a new preferences object from a file on disk.
"""
prefs = cls()
prefs.load(filename)
return prefs
def load(self, filename):
""" Loads a preferences file; existing settings are overwritten.
"""
pass
def save(self, filename):
""" Saves the preferences to *filename*.
"""
pass
# EOF
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