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#------------------------------------------------------------------------------
# Copyright (c) 2005, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
# Thanks for using Enthought open source!
#
# Author: Enthought, Inc.
# Description: <Enthought util package component>
#------------------------------------------------------------------------------
import wx
try:
from scimath.units.unit_parser import unit_parser
except ImportError:
unit_parser = None
from .default_renderer import DefaultRenderer
class UnitRenderer(DefaultRenderer):
def DrawForeground(self, grid, attr, dc, rect, row, col, isSelected):
dc.SetBackgroundMode(wx.TRANSPARENT)
text = grid.model.GetValue(row, col)
#print 'Rendering ', row, col, text, text.__class__
dc.SetFont(self.font)
dc.DrawText(text, rect.x+1, rect.y+1)
return
def DrawBackground(self, grid, attr, dc, rect, row, col, isSelected):
""" Erases whatever is already in the cell by drawing over it.
"""
# We have to set the clipping region on the grid's DC,
# otherwise the text will spill over to the next cell
dc.SetClippingRect(rect)
# overwrite anything currently in the cell ...
dc.SetBackgroundMode(wx.SOLID)
dc.SetPen(wx.Pen(wx.WHITE, 1, wx.SOLID))
text = grid.model.GetValue(row, col)
if isSelected:
dc.SetBrush(DefaultRenderer.selected_cells)
elif unit_parser and unit_parser.parse_unit(text).is_valid():
dc.SetBrush(DefaultRenderer.normal_cells)
else:
dc.SetBrush(DefaultRenderer.error_cells)
dc.DrawRectangle(rect.x, rect.y, rect.width, rect.height)
return
#-------------------------------------------------------------------------------
class MultiUnitRenderer(DefaultRenderer):
def __init__( self, color="black", font="ARIAL", fontsize=8,
suppress_warnings=False):
self.suppress_warnings = suppress_warnings
DefaultRenderer.__init__( self, color, font, fontsize )
def DrawForeground(self, grid, attr, dc, rect, row, col, isSelected):
dc.SetBackgroundMode(wx.TRANSPARENT)
text = grid.model.GetValue(row, col)
dc.SetFont(self.font)
dc.DrawText(text, rect.x+1, rect.y+1)
return
def DrawBackground(self, grid, attr, dc, rect, row, col, isSelected):
""" Erases whatever is already in the cell by drawing over it.
"""
# We have to set the clipping region on the grid's DC,
# otherwise the text will spill over to the next cell
dc.SetClippingRect(rect)
# overwrite anything currently in the cell ...
dc.SetBackgroundMode(wx.SOLID)
dc.SetPen(wx.Pen(wx.WHITE, 1, wx.SOLID))
text = grid.model.GetValue(row, col)
if unit_parser:
this_unit = unit_parser.parse_unit(text, self.suppress_warnings)
else:
this_unit = None
# Todo - clean up this hardcoded logic/column position mess
family = grid.model.GetValue(row, 6)
# AI units of 'impedance ((kg/s)*(g/cc))' creates list of 3, not 2!
try:
family, other_text = family[:-1].split('(')
except:
family, other_text = family[:-1].split(' ')
if unit_parser:
other_unit = unit_parser.parse_unit(other_text, self.suppress_warnings)
dimensionally_equivalent = this_unit.can_convert(other_unit)
else:
other_unit = None
dimensionally_equivalent = False
if isSelected:
dc.SetBrush(DefaultRenderer.selected_cells)
elif not this_unit or not this_unit.is_valid():
dc.SetBrush(DefaultRenderer.error_cells)
elif not dimensionally_equivalent:
dc.SetBrush(DefaultRenderer.warn_cells)
else:
dc.SetBrush(DefaultRenderer.normal_cells)
dc.DrawRectangle(rect.x, rect.y, rect.width, rect.height)
return
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