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from tkinter import Entry, StringVar, Text, END
from tkinter.scrolledtext import ScrolledText
from . import utilities as utils
from .base import TextWidget
class TextBox(TextWidget):
def __init__(
self,
master,
text="",
width=10,
height=1,
grid=None,
align=None,
visible=True,
enabled=None,
multiline=False,
scrollbar=False,
command=None):
description = "[TextBox] object with text \"" + str(text) + "\""
self._multiline = multiline
# Set up controlling string variable
self._text = StringVar()
self._text.set( str(text) )
# Create a tk object for the text box
if multiline:
if scrollbar:
#tk = ScrolledText(master.tk, width=width, height=height, wrap="word")
tk = ScrolledText(master.tk, wrap="word")
else:
#tk = Text(master.tk, width=width, height=height)
tk = Text(master.tk)
tk.insert(END,self._text.get())
else:
#tk = Entry(master.tk, textvariable=self._text, width=width)
tk = Entry(master.tk, textvariable=self._text)
super(TextBox, self).__init__(master, tk, description, grid, align, visible, enabled, width, height)
self.update_command(command)
# Bind the key pressed event
self.events.set_event("<TextBox.KeyPress>", "<KeyPress>", self._key_pressed)
# PROPERTIES
# ----------------------------------
# The text value
@property
def value(self):
if self._multiline:
return self.tk.get(1.0,END)
else:
return self._text.get()
@value.setter
def value(self, value):
self._text.set( str(value) )
if self._multiline:
self.tk.delete(1.0,END)
self.tk.insert(END,self._text.get())
self.description = "[TextBox] object with text \"" + str(value) + "\""
def resize(self, width, height):
self._width = width
if width != "fill":
self._set_tk_config("width", width)
if height is not None:
if self._multiline:
self._height = height
if height != "fill":
self.tk.config(height=height)
else:
if isinstance(height, int):
if height > 1:
utils.error_format("Cannot change the height of a single line TextBox{}".format(self.description))
# METHODS
# -------------------------------------------
def _key_pressed(self, event):
if self._command:
args_expected = utils.no_args_expected(self._command)
if args_expected == 0:
self._command()
elif args_expected == 1:
self._command(event.key)
else:
utils.error_format("TextBox command function must accept either 0 or 1 arguments.\nThe current command has {} arguments.".format(args_expected))
def update_command(self, command):
if command is None:
self._command = lambda: None
else:
self._command = command
# Clear text box
def clear(self):
self.value = ""
# Append text
def append(self, text):
self.value = self.value + str(text)
# DEPRECATED METHODS
# --------------------------------------------
# Returns the text
def get(self):
return self.value
utils.deprecated("TextBox get() is deprecated. Please use the value property instead.")
# Sets the text
def set(self, text):
self.value = text
utils.deprecated("TextBox set() is deprecated. Please use the value property instead.")
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