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import Tkinter
import tkMessageBox
def askcells(cells, firstcolumn=[], firstrow=[], **kwds):
win = Tkcells(cells, firstcolumn, firstrow, **kwds)
return win.go()
class Tkcells(Tkinter.Toplevel):
OK = 'OK'
CANCEL = 'CANCEL'
REINIT = 'REINIT'
BT_WIDTH = 12
CELL_WIDTH = 12
WIDTH = 400
HEIGHT= 200
def __init__(self, cells, firstcolumn=[], firstrow=[], **kwds):
#arguments dispatching
can_width = Tkcells.WIDTH
if 'width' in kwds.keys():
can_width = kwds['width']
kwds.pop('width')
can_height = Tkcells.HEIGHT
if 'height' in kwds.keys():
can_height = kwds['height']
kwds.pop('height')
if 'title' in kwds.keys():
title = kwds['title']
kwds.pop('title')
else:
title = None
if 'parent' in kwds.keys():
self.parent = kwds['parent']
kwds.pop('parent')
else:
self.parent = None
#window creation
Tkinter.Toplevel.__init__(self, parent=self.parent, **kwds)
self.protocol('WM_DELETE_WINDOW', self.abort)
if title != None:
self.title(title)
self.cells = cells
self.firstcolumn = firstcolumn
self.firstrow = firstrow
self.tkvars = []
self.cellfrm = Tkinter.Frame(self, bd=0)
self.can = Tkinter.Canvas(self.cellfrm, width=can_width, height=can_height, bd=0)
self.vsb = Tkinter.Scrollbar(self.cellfrm, orient=Tkinter.VERTICAL)
self.hsb = Tkinter.Scrollbar(self.cellfrm, orient=Tkinter.HORIZONTAL)
self.sheet = Tkinter.Frame(self.can, bd=0)
self.can.create_window(0,0, window=self.sheet)
self.btfrm = Tkinter.Frame(self)
self.statusbar = Tkinter.StringVar()
Tkinter.Label(self.btfrm, textvariable=self.statusbar).grid(column=0, row=0)
Tkinter.Button(self.btfrm, width=Tkcells.BT_WIDTH, text=Tkcells.REINIT, command=self.reinit).grid(column=1, row=0)
Tkinter.Button(self.btfrm, width=Tkcells.BT_WIDTH, text=Tkcells.OK, command=self.accept).grid(column=2, row=0)
Tkinter.Button(self.btfrm, width=Tkcells.BT_WIDTH, text=Tkcells.CANCEL, command=self.abort).grid(column=3, row=0)
#cells filling
maxcols = len(firstrow)
if firstcolumn == []:
for index in range(len(cells)):
firstcolumn.append(index+1)
cols = len(cells[index])
if cols > maxcols:
maxcols = cols
for index, label in enumerate(firstcolumn):
Tkinter.Label(self.sheet, text=label).grid(column=0, row=index+1)
if firstrow == []:
for index in range(maxcols):
firstrow.append(self.intToColLabel(index))
for index, label in enumerate(firstrow):
Tkinter.Label(self.sheet, text=label).grid(column=index+1, row=0)
for y, row in enumerate(self.cells):
tkrow = []
for x, column in enumerate(row):
cell = Tkinter.StringVar()
cell.set(column)
tkrow.append(cell)
entry = Tkinter.Entry(self.sheet, text=label, textvariable=cell)
entry.grid(column=x+1, row=y+1)
entry.bind("<Enter>", lambda e, x=x, y=y:self.updateStatusbar(x, y))
entry.bind("<Leave>", lambda e:self.clearStatusbar())
self.tkvars.append(tkrow)
self.bind("<Escape>", self.abort)
width = entry.winfo_reqwidth() * (maxcols + 1)
height = entry.winfo_reqheight() * (len(self.cells) + 1)
self.can['scrollregion'] = (0, 0, width, height)
def go(self):
self.can['yscrollcommand'] = self.vsb.set
self.can['xscrollcommand'] = self.hsb.set
self.vsb.config(command=self.can.yview)
self.hsb.config(command=self.can.xview)
self.sheet.grid()
self.can.grid(column=0, row=0, sticky=Tkinter.W)
self.vsb.grid(column=1, row=0, sticky=Tkinter.S+Tkinter.N)
self.hsb.grid(column=0, row=1, sticky=Tkinter.W+Tkinter.E)
self.cellfrm.grid()
self.btfrm.grid(sticky=Tkinter.E)
self.can.create_window(0, 0, window=self.sheet, anchor=Tkinter.NW)
self.resizable(False, False)
self.transient(self.parent)
self.lift()
self.focus()
self.wait_visibility()
self.grab_set()
self.mainloop()
self.destroy()
return self.cells
def isInputOk(self):
for y, row in enumerate(self.cells):
for x, cell in enumerate(row):
strvar = self.tkvars[y][x]
if type(cell) == int:
try:
tempvar = int(strvar.get())
except:
return "%s/%s is not an integer!"%(self.firstrow[x], self.firstcolumn[y])
elif type(cell) == float:
try:
tempvar = float(strvar.get())
except:
return "%s/%s is not a float!"%(self.firstrow[x], self.firstcolumn[y])
return True
def update(self):
for y, row in enumerate(self.cells):
for x, cell in enumerate(row):
strvar = self.tkvars[y][x]
if type(cell) == int:
self.cells[y][x] = int(strvar.get())
elif type(cell) == float:
self.cells[y][x] = float(strvar.get())
else:
self.cells[y][x] = strvar.get()
def reinit(self):
for y, row in enumerate(self.cells):
for x, cell in enumerate(row):
self.tkvars[y][x].set(cell)
def abort(self, event=None):
self.quit()
def accept(self):
errmes = self.isInputOk()
if errmes != True:
tkMessageBox.showerror(sys.argv[0], errmes)
return
self.update()
self.abort()
def updateStatusbar(self, x, y):
self.statusbar.set("%s/%s"%(self.firstrow[x], self.firstcolumn[y]))
def clearStatusbar(self):
self.statusbar.set("")
def intToColLabel(self, value):
rest = value % 26
value = value/26
var = chr(ord('A') + rest)
while value != 0:
rest = value % 26
value = value/26
var = chr(ord('A') + rest) + var
return var
if __name__ == '__main__':
import sys
columns, rows = 40, 50
cells, firstcolumn, firstrow = [], [], []
def buildSheet():
global cells, firstcolumn, firstrow
#invoke Tkcells
cells = askcells(cells, firstcolumn, firstrow)
print cells
# build some data
for x in range(columns):
firstrow.append("column #%i"%x)
for y in range(rows):
firstcolumn.append("row #%i"%y)
row = []
for x in range(columns):
if x == 0:
row.append(100 + x + y * columns)
elif x == 1:
row.append("label (%u, %u)"%(x,y))
else:
row.append(float(y * columns + x) * 1.1111)
cells.append(row)
root=Tkinter.Tk()
Tkinter.Button(root, text='EDIT CELLS', width=40, height=3, command=buildSheet).grid()
root.mainloop() |
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