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#coding=utf-8
from functools import partial
import tkinter as tk
from tkinter import ttk
def getIntVal(widget, default=0):
try:
return int(widget.get().strip())
except ValueError:
return default
def setPanelState(frame, state):
for child in frame.winfo_children():
if isinstance(child, tk.Frame):
setPanelState(child, state)
else:
child.configure(state=state)
class WidgetRepeater(tk.Frame):
def __init__(self, master, widgetClass, headers=None, classParams=None,
*args, **kwargs):
widgetList = widgetClass
if not isinstance(widgetClass, list):
widgetList = [widgetClass]
for widget in widgetList:
if not issubclass(widget, RepeatableFrame):
raise AttributeError(
'WidgetRepeater widget must be a RepeatableFrame')
tk.Frame.__init__(self, master, **kwargs)
self.widgetClass = widgetClass
self.widgetClassParams = classParams
self.widgets = []
self.headers = headers
self.addButton = ttk.Button(
self, text='[+]', width=5, command=self._addWidget)
self.renderContent()
def _findWidget(self, row, column):
for children in self.children.values():
info = children.grid_info()
if info['row'] == str(row) and info['column'] == str(column):
return children
return None
def _createWidget(self, widgetClass, widgetClassParams=None):
removeButton = ttk.Button(
self, text='[-]', width=5,
command=lambda i=len(self.widgets): self._removeWidget(i))
removeButton.grid(row=len(self.widgets), column=0, sticky=tk.N)
widget = widgetClass(self)
if widgetClassParams is not None:
widget.configureContent(**widgetClassParams)
self.widgets.append(widget)
self._updateGrid()
def _handleWidgetSelection(self, selected):
if selected < len(self.widgetClass):
params = None
if isinstance(self.widgetClassParams, list) and \
selected < len(self.widgetClassParams):
params = self.widgetClassParams[selected]
self._createWidget(self.widgetClass[selected], params)
def _widgetSelectionDialog(self):
dialog = tk.Toplevel(self)
dialog.title('Wybór elementu do dodania')
dialog.geometry('%dx%d' % (300, len(self.widgetClass) * 20 + 30))
dialog.grab_set()
dialog.focus_force()
frame = WidgetSelectionFrame(
dialog, vertical=True,
widgets=self.widgetClass, callback=self._handleWidgetSelection)
frame.pack(side=tk.TOP, fill=tk.BOTH, expand=True)
def _addWidget(self):
if isinstance(self.widgetClass, list):
self._widgetSelectionDialog()
else:
self._createWidget(self.widgetClass, self.widgetClassParams)
def _removeWidget(self, idx):
self.widgets.pop(idx).destroy()
self._findWidget(row=len(self.widgets), column=0).destroy()
self._updateGrid()
def _updateGrid(self):
for idx, widget in enumerate(self.widgets):
widget.grid(row=idx, column=1, sticky=tk.W+tk.E+tk.N+tk.S)
self.addButton.grid(
row=len(self.widgets), column=0, columnspan=1, sticky=tk.W+tk.N)
def _renderHeader(self):
if self.headers:
headerFrame = tk.Frame(self)
for idx, header in enumerate(self.headers):
headerFrame.columnconfigure(idx, weight=1)
widget = header[0](headerFrame, **header[1])
widget.grid(row=0, column=idx, sticky=tk.W+tk.E+tk.N)
self.widgets.append(headerFrame)
(tk.Label(self, text=' ')).grid(
row=0, column=0, sticky=tk.W+tk.E+tk.N)
def renderContent(self):
self.columnconfigure(1, weight=1)
self._renderHeader()
self._updateGrid()
def getValue(self):
return [widget.getValue() for widget in self.widgets
if isinstance(widget, self.widgetClass)]
def setValue(self, value):
for i in range(0, len(value)):
if i >= len(self.widgets):
self._addWidget()
self.widgets[i].setValue(value[i])
class GuiFrame(tk.Frame):
def __init__(self, *args, **kwargs):
tk.Frame.__init__(self, *args, **kwargs)
self.renderContent()
def renderContent(self):
pass
class RepeatableFrame(tk.Frame):
def __init__(self, *args, **kwargs):
tk.Frame.__init__(self, *args, **kwargs)
self.renderContent()
def renderContent(self):
pass
def configureContent(self, **kwargs):
pass
def getValue(self):
pass
def setValue(self, value):
pass
@classmethod
def info(cls):
return cls.__name__
class RepeatableEntry(RepeatableFrame):
def renderContent(self):
self.value = tk.StringVar()
self.field = ttk.Entry(self, textvariable=self.value)
self.field.pack(expand=True, fill=tk.BOTH)
def configureContent(self, **kwargs):
for param, value in kwargs.iteritems():
self.field[param] = value
def getValue(self):
return self.value.get()
def setValue(self, value):
return self.value.set(value)
class ScrollableFrame(tk.Frame):
def __init__(self, *args, **kwargs):
vertical = False
if 'vertical' in kwargs:
vertical = kwargs['vertical']
del kwargs['vertical']
horizontal = False
if 'horizontal' in kwargs:
horizontal = kwargs['horizontal']
del kwargs['horizontal']
tk.Frame.__init__(self, *args, **kwargs)
canvas = tk.Canvas(self, borderwidth=0, highlightthickness=0)
if horizontal:
hscroll = tk.Scrollbar(
self, orient=tk.HORIZONTAL, command=canvas.xview)
hscroll.pack(side=tk.BOTTOM, fill=tk.X)
canvas.configure(xscrollcommand=hscroll.set)
if vertical:
vscroll = tk.Scrollbar(
self, orient=tk.VERTICAL, command=canvas.yview)
vscroll.pack(side=tk.RIGHT, fill=tk.Y)
canvas.configure(yscrollcommand=vscroll.set)
frame = tk.Frame(canvas, borderwidth=0, highlightthickness=0)
canvas.pack(side=tk.TOP, fill=tk.BOTH, expand=True)
canvas.create_window((0,0), window=frame, anchor=tk.N+tk.W)
frame.bind(
'<Configure>',
lambda ev: canvas.configure(scrollregion=canvas.bbox('all')))
self.renderContent(frame)
def renderContent(self, container):
pass
class WidgetSelectionFrame(ScrollableFrame):
def __init__(self, *args, **kwargs):
self.widgets = []
self.callback = None
for var in ['widgets', 'callback']:
if var in kwargs:
setattr(self, var, kwargs[var])
del kwargs[var]
ScrollableFrame.__init__(self, *args, **kwargs)
addBtn = ttk.Button(
self.master, text='Dodaj', command=self._onConfirm)
addBtn.pack(side=tk.BOTTOM)
def renderContent(self, container):
self.value = tk.IntVar()
for idx, widget in enumerate(self.widgets):
(ttk.Radiobutton(
container, variable=self.value, value=idx,
text=widget.info())).pack(side=tk.TOP, fill=tk.X, expand=True)
def _onConfirm(self):
if self.callback is not None:
self.callback(self.value.get())
self.winfo_toplevel().destroy()
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