123 lines
3.8 KiB
Python
123 lines
3.8 KiB
Python
import math
|
|
import wx
|
|
|
|
def formatAmount(val, prec=3, lowest=0, highest=0):
|
|
"""
|
|
Add suffix to value, transform value to match new suffix and round it.
|
|
|
|
Keyword arguments:
|
|
val -- value to process
|
|
prec -- precision of final number (number of significant positions to show)
|
|
lowest -- lowest order for suffixizing
|
|
highest -- highest order for suffixizing
|
|
"""
|
|
if val is None:
|
|
result = ""
|
|
else:
|
|
# Separate value to mantissa and suffix
|
|
mantissa, suffix = suffixizeAmount(val, lowest, highest)
|
|
# Round mantissa and add suffix
|
|
newMantissa = processAmount(mantissa, prec)
|
|
result = u"{0}{1}".format(newMantissa, suffix)
|
|
return result
|
|
|
|
def suffixizeAmount(val, lowest=-6, highest=9):
|
|
"""
|
|
Add suffix to value and transform value to match new suffix.
|
|
|
|
Keyword arguments:
|
|
val -- value to process
|
|
lowest -- lowest order for suffixizing
|
|
highest -- highest order for suffixizing
|
|
|
|
Suffixes below lowest and above highest orders won't be used.
|
|
"""
|
|
if abs(val) >= 1000 and highest >= 3:
|
|
suffixmap = {3 : "k", 6 : "M", 9 : "G"}
|
|
# Start from highest possible suffix
|
|
for key in sorted(suffixmap, reverse = True):
|
|
# Find first suitable suffix and check if it's not above highest order
|
|
if val >= 10**key and key <= highest:
|
|
return val/float(10**key), suffixmap[key]
|
|
# Take numbers between 0 and 1, and matching/below highest possible negative suffix
|
|
elif abs(val) < 1 and val != 0 and lowest <= -3:
|
|
suffixmap = {-6 : u'\u03bc', -3 : "m"}
|
|
# Start from lowest possible suffix
|
|
for key in sorted(suffixmap, reverse = False):
|
|
# Check if mantissa with next suffix is in range [1, 1000)
|
|
# Here we assume that each next order is greater than previous by 3
|
|
if val < 10**(key+3) and key >= lowest:
|
|
return val/float(10**key), suffixmap[key]
|
|
# If no suitable suffixes are found within given order borders, or value
|
|
# is already within [1, 1000) boundaries, just return rounded value with no suffix
|
|
else:
|
|
return val, ""
|
|
|
|
def processAmount(val, prec=3):
|
|
"""
|
|
Round number and return as string.
|
|
|
|
Keyword arguments:
|
|
val -- value to round
|
|
prec -- precision of final number (number of significant positions to show)
|
|
|
|
Integer numbers are not rounded, only fractional part.
|
|
"""
|
|
if val == 0: # Logarithm is not defined for zero
|
|
return "0"
|
|
|
|
roundFactor = int(prec - math.ceil(math.log10(abs(val))))
|
|
# But we don't want to round integers
|
|
if roundFactor < 0: roundFactor = 0
|
|
val = round(val, roundFactor)
|
|
# Strip trailing zero for integers and convert to string
|
|
result = str(val)[-2:] == '.0' and str(val)[:-2] or str(val)
|
|
return result
|
|
|
|
def toClipboard(text):
|
|
clip = wx.TheClipboard
|
|
clip.Open()
|
|
data = wx.TextDataObject(text)
|
|
clip.SetData(data)
|
|
clip.Close()
|
|
|
|
def fromClipboard():
|
|
clip = wx.TheClipboard
|
|
clip.Open()
|
|
data = wx.TextDataObject("")
|
|
if clip.GetData(data):
|
|
clip.Close()
|
|
return data.GetText()
|
|
else:
|
|
clip.Close()
|
|
return None
|
|
|
|
|
|
|
|
|
|
def GetPartialText(dc, text , maxWidth):
|
|
ellipsis = "..."
|
|
base_w, h = dc.GetTextExtent(ellipsis)
|
|
|
|
lenText = len(text)
|
|
drawntext = text
|
|
w, dummy = dc.GetTextExtent(text)
|
|
|
|
while lenText > 1:
|
|
|
|
if w + base_w <= maxWidth:
|
|
break
|
|
|
|
w_c, h_c = dc.GetTextExtent(drawntext[-1])
|
|
drawntext = drawntext[0:-1]
|
|
lenText -= 1
|
|
w -= w_c
|
|
|
|
while len(ellipsis) > 0 and w + base_w > maxWidth:
|
|
ellipsis = ellipsis[0:-1]
|
|
base_w, h = dc.GetTextExtent(ellipsis)
|
|
if len(text) > lenText:
|
|
return drawntext + ellipsis
|
|
else:
|
|
return text
|