I am trying to remove an item from a listbox that is connected to a function from my checkbutton.
ShrimpTempVar=DoubleVar()
ShrimpTempCheck=Checkbutton(menu,variable = ShrimpTempVar, onvalue=5.99, offvalue=0,command=ShrimpTempuraOrder)
def ShrimpTempuraOrder():
if ShrimpTempVar.get()==5.99:
qty=int(QTY2Var.get())
finalprice=ShrimpTempVar.get()*qty
listbox.insert(END, "Shrimp Tempura")
listboxprice.insert( END, finalprice)
elif ShrimpTempVar.get()==0:
listbox.delete(0,END)
listboxprice.delete(0,END)
I would like the item to be removed when I unselect it. In another post, it was suggested to do something like this:
listBox.Items.Delete(listbox.Items.IndexOf('Calamari'));
but it says that Listbox has no attribute in Items
In addition, I do not know the index number, since it changes due to the order in which I select the different checkbuttons.
Thanks for any help!
1 Answer
Question: Remove Item from Listbox Python, if I do not know the index number
Documentations
Python Documentation - Common Sequence Operations
s.index(x[, i[, j]]) index of the first occurrence of x in s (at or after index i and before index j)Note: (8) index raises ValueError when x is not found in s. Not all implementations support passing the additional arguments i and j. These arguments allow efficient searching of subsections of the sequence. Passing the extra arguments is roughly equivalent to using s[i:j].index(x), only without copying any data and with the returned index being relative to the start of the sequence rather than the start of the slice.
The Tkinter Listbox Widget - get(first, last=None)
This function returns the string corresponding to the given index (or the strings in the given index range). Use get(0, END) to get a list of all items in the list.
Get the index of a
ListboxItem using it's label stringlabel = "Shrimp Tempura" idx = listbox.get(0, tk.END).index(label)Delete the
ListboxItem at this indexlistbox.delete(idx)
Tested with Python: 3.5 - TkVersion: 8.6
