Mercurial > urwid-satext
diff urwid_satext/sat_widgets.py @ 75:8ff563825080
FocusFrame is now based on Pile instead of Frame, header, body and footer attributes can be used to change part at any time
author | Goffi <goffi@goffi.org> |
---|---|
date | Fri, 21 Mar 2014 15:20:59 +0100 |
parents | 0afff3c54b6e |
children | 6c2a1b349416 |
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--- a/urwid_satext/sat_widgets.py Fri Mar 21 15:14:53 2014 +0100 +++ b/urwid_satext/sat_widgets.py Fri Mar 21 15:20:59 2014 +0100 @@ -1045,23 +1045,98 @@ return urwid.CanvasJoin(render) -class FocusFrame(urwid.Frame): - """Frame which manage 'tab' key""" +class FocusFrame(urwid.Pile): + """Frame-like which manage 'tab' key""" + _sizing = frozenset(['box']) + + def __init__(self, body, header=None, footer=None, focus_part='body'): + self._header = self._footer = None + super(FocusFrame, self).__init__([body]) + self.header = header + self._body = body + self.footer = footer + self.focus_position = focus_part + + def _focus_part_recalc(self): + self._FOCUS_PARTS=[] + if self._header is not None: + self._FOCUS_PARTS.append('header') + self._FOCUS_PARTS.append('body') + if self._footer is not None: + self._FOCUS_PARTS.append('footer') + assert(len(self._FOCUS_PARTS) == len(self.contents)) + + @property + def header(self): + return self._header + + @header.setter + def header(self, widget): + content = (widget, ('pack', None)) + if widget is None: + if self._header is not None: + del self.contents[0] + elif self._header is None: + self.contents.insert(0, content) + else: + self.contents[0] = content + self._header = widget + self._focus_part_recalc() + + @property + def body(self): + return self._body + + @body.setter + def body(self, widget): + assert widget is not None + idx = self._FOCUS_PARTS.index('body') + self.contents[idx] = (widget, ("weight", 1)) + + @property + def footer(self): + return self._footer + + @footer.setter + def footer(self, widget): + content = (widget, ('pack', None)) + if widget is None: + if self._footer is not None: + del self.contents[-1] + elif self._footer is None: + self.contents.append(content) + else: + self.contents[-1] = content + self._footer = widget + self._focus_part_recalc() + + @property + def focus_position_named(self): + return self._FOCUS_PARTS[self.int_focus_position] + + @property + def focus_position(self): + return super(FocusFrame, self).focus_position + + @focus_position.setter + def focus_position(self, position): + if isinstance(position, basestring): + try: + position = self._FOCUS_PARTS.index(position) + except IndexError: + raise IndexError("This FocusFrame has no %s" % position) + urwid.Pile.focus_position.__set__(self, position) def keypress(self, size, key): - ret = urwid.Frame.keypress(self, size, key) + ret = super(FocusFrame, self).keypress(size, key) if not ret: return if key == 'tab': - focus_list = ('header','body','footer') - focus_idx = focus_list.index(self.focus_part) - for i in range(2): - focus_idx = (focus_idx + 1) % len(focus_list) - focus_name = focus_list[focus_idx] - widget = getattr(self,'_'+focus_name) - if widget!=None and widget.selectable(): - self.set_focus(focus_name) + try: + self.focus_position -= 1 + except IndexError: + self.focus_position = 2 return ret