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# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in 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!
from string import atof
import wx
from wx.grid import PyGridCellRenderer
class DefaultRenderer(PyGridCellRenderer):
""" This renderer provides the default representation of an
Enthought spreadsheet cell.
"""
selected_cells = wx.Brush(wx.Colour(255, 255, 200), wx.SOLID)
normal_cells = wx.Brush("white", wx.SOLID)
odd_cells = wx.Brush(wx.Colour(240, 240, 240), wx.SOLID)
error_cells = wx.Brush(wx.Colour(255, 122, 122), wx.SOLID)
warn_cells = wx.Brush(wx.Colour(255, 242, 0), wx.SOLID)
def __init__(self, color="black", font="ARIAL", fontsize=8):
PyGridCellRenderer.__init__(self)
self.color = color
self.foundary = font
self.fontsize = fontsize
self.font = wx.Font(
fontsize, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL, 0, font
)
def Clone(self):
return DefaultRenderer(self.color, self.foundary, self.fontsize)
def Draw(self, grid, attr, dc, rect, row, col, isSelected):
self.DrawBackground(grid, attr, dc, rect, row, col, isSelected)
self.DrawForeground(grid, attr, dc, rect, row, col, isSelected)
dc.DestroyClippingRegion()
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.SetClippingRegion(rect)
# overwrite anything currently in the cell ...
dc.SetBackgroundMode(wx.SOLID)
dc.SetPen(wx.Pen(wx.WHITE, 1, wx.SOLID))
if isSelected:
dc.SetBrush(DefaultRenderer.selected_cells)
elif row % 2:
dc.SetBrush(DefaultRenderer.normal_cells)
else:
dc.SetBrush(DefaultRenderer.odd_cells)
dc.DrawRectangle(rect.x, rect.y, rect.width, rect.height)
def DrawForeground(self, grid, attr, dc, rect, row, col, isSelected):
""" Draws the cell (text) on top of the existing background color.
"""
dc.SetBackgroundMode(wx.TRANSPARENT)
text = grid.model.GetValue(row, col)
dc.SetTextForeground(self.color)
dc.SetFont(self.font)
dc.DrawText(self.FormatText(text), rect.x + 1, rect.y + 1)
self.DrawEllipses(grid, attr, dc, rect, row, col, isSelected)
def FormatText(self, text):
""" Formats numbers to 3 decimal places.
"""
try:
text = "%0.3f" % atof(text)
except:
pass
return text
def DrawEllipses(self, grid, attr, dc, rect, row, col, isSelected):
""" Adds three dots "..." to indicate the cell is truncated.
"""
text = grid.model.GetValue(row, col)
if not isinstance(text, str):
msg = 'Problem appending "..." to cell: %d %d' % (row, col)
raise TypeError(msg)
width, height = dc.GetTextExtent(text)
if width > rect.width - 2:
width, height = dc.GetTextExtent("...")
x = rect.x + 1 + rect.width - 2 - width
dc.DrawRectangle(x, rect.y + 1, width + 1, height)
dc.DrawText("...", x, rect.y + 1)
def GetBestSize88(self, grid, attr, dc, row, col):
""" This crashes the app - hmmmm. """
size = PyGridCellRenderer.GetBestSize(self, grid, attr, dc, row, col)
print("-----------------------------", size)
return size
# -------------------------------------------------------------------------------
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