# -*- coding: utf-8 -*-
"""Labeled entry widget.
The goal of these widgets is twofold: to make it easier for developers
to implement dialogs with compound widgets, and to naturally
standardize the user interface presented to the user.
"""
import logging
import seamm_widgets as sw
import tkinter as tk
import tkinter.ttk as ttk
logger = logging.getLogger(__name__)
options = {
"entry": {
"class_": "class_",
"cursor": "cursor",
"exportselection": "exportselection",
"font": "font",
"invalidcommand": "invalidcommand",
"justify": "justify",
"show": "show",
"style": "style",
"takefocus": "takefocus",
"variable": "textvariable",
"validate": "validate",
"validatecommand": "validatecommand",
"width": "width",
"xscrollcommand": "xscrollcommand",
},
}
[docs]class LabeledEntry(sw.LabeledWidget):
def __init__(self, parent, *args, **kwargs):
"""Initialize the instance"""
class_ = kwargs.pop("class_", "MLabeledEntry")
super().__init__(parent, class_=class_)
interior = self.interior
# entry
justify = kwargs.pop("justify", tk.LEFT)
entrywidth = kwargs.pop("width", 15)
self.entry = ttk.Entry(interior, justify=justify, width=entrywidth)
self.entry.grid(row=0, column=0, sticky=tk.EW)
# interior frame
self.interior = ttk.Frame(interior)
self.interior.grid(row=0, column=1, sticky=tk.NSEW)
interior.columnconfigure(0, weight=1)
self.config(**kwargs)
@property
def value(self):
return self.get()
@value.setter
def value(self, value):
self.set(value)
[docs] def show(self, *args):
"""Show only the specified subwidgets.
'all' or no arguments reverts to showing all"""
super().show(*args)
show_all = len(args) == 0 or args[0] == "all"
if show_all or "entry" in args:
self.entry.grid(row=0, column=0, sticky=tk.EW)
else:
self.entry.grid_forget()
[docs] def set(self, value):
"""Set the value of the entry widget"""
self.entry.delete(0, tk.END)
if value is None:
return
self.entry.insert(0, value)
[docs] def get(self):
"""return the current value"""
value = self.entry.get()
return value
[docs] def config(self, **kwargs):
"""Set the configuration of the megawidget"""
# our options that we deal with
entry = options["entry"]
# cannot modify kwargs while iterating over it...
keys = [*kwargs.keys()]
for k in keys:
if k in entry:
v = kwargs.pop(k)
self.entry.config(**{entry[k]: v})
# having removed our options, pass rest to parent
super().config(**kwargs)