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UIX:TabbedPanel fix binding for default_tab and clarify doc. 

Make deletion of `default_tab` on change universal not just for default
auto provided tab.
This commit is contained in:
qua-non 2012-11-30 02:27:28 +05:30
parent fe9b3f9eff
commit 97fe1c6d47
1 changed files with 14 additions and 7 deletions
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21
kivy/uix/tabbedpanel.py
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@ -26,7 +26,7 @@ Simple example
.. note::
A new Class :class:`TabbedPanelItem` has been introduced in 1.5.0 for
convineance. So now one can simply add a :class:`TabbedPanelItem` to a
conveniance. So now one can simply add a :class:`TabbedPanelItem` to a
:class:`TabbedPanel` and the `content` to the :class:`TabbedPanelItem`
like in the example provided above.
@ -72,7 +72,7 @@ default tab::
The default tab machinery requires special consideration and management.
Accordingly, an `on_default_tab` event is provided for associating a callback::
tp.bind(on_default_tab = my_default_tab_callback)
tp.bind(default_tab = my_default_tab_callback)
It's important to note that as by default :data:`default_tab_cls` is of type
:class:`TabbedPanelHeader` it has the same properties as other tabs.
@ -342,12 +342,17 @@ class TabbedPanel(GridLayout):
'''
content = ObjectProperty(None)
'''This is the object holding the content of the current tab.
'''This is the object holding(current_tab's content is added to this)
the content of the current tab. To Listen to the changes in the content
of the current tab you should bind to `current_tab` and then access it's
`content` property.
:data:`content` is a :class:`~kivy.properties.ObjectProperty`,
default to 'None'.
'''
_default_tab = ObjectProperty(None)
def get_def_tab(self):
return self._default_tab
@ -359,17 +364,19 @@ class TabbedPanel(GridLayout):
return
oltab = self._default_tab
self._default_tab = new_tab
if hasattr(self, '_original_tab') and self._original_tab == oltab:
self.remove_widget(oltab)
self._original_tab = None
self.remove_widget(oltab)
self._original_tab = None
self.switch_to(new_tab)
new_tab.state = 'down'
default_tab = AliasProperty(get_def_tab, set_def_tab)
default_tab = AliasProperty(get_def_tab, set_def_tab,
bind=('_default_tab', ))
'''Holds the default tab.
.. Note:: For convenience, the automatically provided default tab is
deleted when you change default_tab to something else.
As of 1.5.0 This behaviour has been extended to every
`default_tab` for consistency not just the auto provided one.
:data:`default_tab` is a :class:`~kivy.properties.AliasProperty`
'''