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Diffstat (limited to 'Demo/tkinter/ttk/ttkcalendar.py')
| -rw-r--r-- | Demo/tkinter/ttk/ttkcalendar.py | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/Demo/tkinter/ttk/ttkcalendar.py b/Demo/tkinter/ttk/ttkcalendar.py deleted file mode 100644 index 8e35f1f..0000000 --- a/Demo/tkinter/ttk/ttkcalendar.py +++ /dev/null @@ -1,231 +0,0 @@ -""" -Simple calendar using ttk Treeview together with calendar and datetime -classes. -""" -import calendar -import tkinter -import tkinter.font -from tkinter import ttk - -def get_calendar(locale, fwday): - # instantiate proper calendar class - if locale is None: - return calendar.TextCalendar(fwday) - else: - return calendar.LocaleTextCalendar(fwday, locale) - -class Calendar(ttk.Frame): - # XXX ToDo: cget and configure - - datetime = calendar.datetime.datetime - timedelta = calendar.datetime.timedelta - - def __init__(self, master=None, **kw): - """ - WIDGET-SPECIFIC OPTIONS - - locale, firstweekday, year, month, selectbackground, - selectforeground - """ - # remove custom options from kw before initializating ttk.Frame - fwday = kw.pop('firstweekday', calendar.MONDAY) - year = kw.pop('year', self.datetime.now().year) - month = kw.pop('month', self.datetime.now().month) - locale = kw.pop('locale', None) - sel_bg = kw.pop('selectbackground', '#ecffc4') - sel_fg = kw.pop('selectforeground', '#05640e') - - self._date = self.datetime(year, month, 1) - self._selection = None # no date selected - - ttk.Frame.__init__(self, master, **kw) - - self._cal = get_calendar(locale, fwday) - - self.__setup_styles() # creates custom styles - self.__place_widgets() # pack/grid used widgets - self.__config_calendar() # adjust calendar columns and setup tags - # configure a canvas, and proper bindings, for selecting dates - self.__setup_selection(sel_bg, sel_fg) - - # store items ids, used for insertion later - self._items = [self._calendar.insert('', 'end', values='') - for _ in range(6)] - # insert dates in the currently empty calendar - self._build_calendar() - - # set the minimal size for the widget - self._calendar.bind('<Map>', self.__minsize) - - def __setitem__(self, item, value): - if item in ('year', 'month'): - raise AttributeError("attribute '%s' is not writeable" % item) - elif item == 'selectbackground': - self._canvas['background'] = value - elif item == 'selectforeground': - self._canvas.itemconfigure(self._canvas.text, item=value) - else: - ttk.Frame.__setitem__(self, item, value) - - def __getitem__(self, item): - if item in ('year', 'month'): - return getattr(self._date, item) - elif item == 'selectbackground': - return self._canvas['background'] - elif item == 'selectforeground': - return self._canvas.itemcget(self._canvas.text, 'fill') - else: - r = ttk.tclobjs_to_py({item: ttk.Frame.__getitem__(self, item)}) - return r[item] - - def __setup_styles(self): - # custom ttk styles - style = ttk.Style(self.master) - arrow_layout = lambda dir: ( - [('Button.focus', {'children': [('Button.%sarrow' % dir, None)]})] - ) - style.layout('L.TButton', arrow_layout('left')) - style.layout('R.TButton', arrow_layout('right')) - - def __place_widgets(self): - # header frame and its widgets - hframe = ttk.Frame(self) - lbtn = ttk.Button(hframe, style='L.TButton', command=self._prev_month) - rbtn = ttk.Button(hframe, style='R.TButton', command=self._next_month) - self._header = ttk.Label(hframe, width=15, anchor='center') - # the calendar - self._calendar = ttk.Treeview(show='', selectmode='none', height=7) - - # pack the widgets - hframe.pack(in_=self, side='top', pady=4, anchor='center') - lbtn.grid(in_=hframe) - self._header.grid(in_=hframe, column=1, row=0, padx=12) - rbtn.grid(in_=hframe, column=2, row=0) - self._calendar.pack(in_=self, expand=1, fill='both', side='bottom') - - def __config_calendar(self): - cols = self._cal.formatweekheader(3).split() - self._calendar['columns'] = cols - self._calendar.tag_configure('header', background='grey90') - self._calendar.insert('', 'end', values=cols, tag='header') - # adjust its columns width - font = tkinter.font.Font() - maxwidth = max(font.measure(col) for col in cols) - for col in cols: - self._calendar.column(col, width=maxwidth, minwidth=maxwidth, - anchor='e') - - def __setup_selection(self, sel_bg, sel_fg): - self._font = tkinter.font.Font() - self._canvas = canvas = tkinter.Canvas(self._calendar, - background=sel_bg, borderwidth=0, highlightthickness=0) - canvas.text = canvas.create_text(0, 0, fill=sel_fg, anchor='w') - - canvas.bind('<ButtonPress-1>', lambda evt: canvas.place_forget()) - self._calendar.bind('<Configure>', lambda evt: canvas.place_forget()) - self._calendar.bind('<ButtonPress-1>', self._pressed) - - def __minsize(self, evt): - width, height = self._calendar.master.geometry().split('x') - height = height[:height.index('+')] - self._calendar.master.minsize(width, height) - - def _build_calendar(self): - year, month = self._date.year, self._date.month - - # update header text (Month, YEAR) - header = self._cal.formatmonthname(year, month, 0) - self._header['text'] = header.title() - - # update calendar shown dates - cal = self._cal.monthdayscalendar(year, month) - for indx, item in enumerate(self._items): - week = cal[indx] if indx < len(cal) else [] - fmt_week = [('%02d' % day) if day else '' for day in week] - self._calendar.item(item, values=fmt_week) - - def _show_selection(self, text, bbox): - """Configure canvas for a new selection.""" - x, y, width, height = bbox - - textw = self._font.measure(text) - - canvas = self._canvas - canvas.configure(width=width, height=height) - canvas.coords(canvas.text, width - textw, height / 2 - 1) - canvas.itemconfigure(canvas.text, text=text) - canvas.place(in_=self._calendar, x=x, y=y) - - # Callbacks - - def _pressed(self, evt): - """Clicked somewhere in the calendar.""" - x, y, widget = evt.x, evt.y, evt.widget - item = widget.identify_row(y) - column = widget.identify_column(x) - - if not column or not item in self._items: - # clicked in the weekdays row or just outside the columns - return - - item_values = widget.item(item)['values'] - if not len(item_values): # row is empty for this month - return - - text = item_values[int(column[1]) - 1] - if not text: # date is empty - return - - bbox = widget.bbox(item, column) - if not bbox: # calendar not visible yet - return - - # update and then show selection - text = '%02d' % text - self._selection = (text, item, column) - self._show_selection(text, bbox) - - def _prev_month(self): - """Updated calendar to show the previous month.""" - self._canvas.place_forget() - - self._date = self._date - self.timedelta(days=1) - self._date = self.datetime(self._date.year, self._date.month, 1) - self._build_calendar() # reconstuct calendar - - def _next_month(self): - """Update calendar to show the next month.""" - self._canvas.place_forget() - - year, month = self._date.year, self._date.month - self._date = self._date + self.timedelta( - days=calendar.monthrange(year, month)[1] + 1) - self._date = self.datetime(self._date.year, self._date.month, 1) - self._build_calendar() # reconstruct calendar - - # Properties - - @property - def selection(self): - """Return a datetime representing the current selected date.""" - if not self._selection: - return None - - year, month = self._date.year, self._date.month - return self.datetime(year, month, int(self._selection[0])) - -def test(): - import sys - root = tkinter.Tk() - root.title('Ttk Calendar') - ttkcal = Calendar(firstweekday=calendar.SUNDAY) - ttkcal.pack(expand=1, fill='both') - - if 'win' not in sys.platform: - style = ttk.Style() - style.theme_use('clam') - - root.mainloop() - -if __name__ == '__main__': - test() |