class MTPopup(MTScatterWidget):
'''Popup with customizable content.
:Parameters:
`show_cancel`: bool, default to True
Show/hide the cancel button
`label_cancel`: str, default to 'Cancel'
Change the label of cancel button
`label_submit`: str, default to 'Ok'
Change the label of submit button
`title`: str, default to 'PyMT popup'
Title of the popup (if None, no title will be added.)
`exit_on_submit`: bool, default to 'True'
Title of the popup (if None, no title will be added.)
:Events:
`on_submit`
Fired when the popup submit button is pressed.
In default behavior, the widget remove himself from parent.
`on_cancel`
Fired when the popup cancel button is pressed.
In default behavior, the widget remove himself from parent.
'''
def __init__(self, **kwargs):
kwargs.setdefault('do_scale', False)
kwargs.setdefault('size', (400, 400))
kwargs.setdefault('show_cancel', True)
kwargs.setdefault('label_cancel', 'Cancel')
kwargs.setdefault('label_submit', 'Ok')
kwargs.setdefault('title', 'PyMT popup')
kwargs.setdefault('exit_on_submit', True)
super(MTPopup, self).__init__(**kwargs)
self.register_event_type('on_submit')
self.register_event_type('on_cancel')
self.exit_on_submit = kwargs.get('exit_on_submit')
# Create layouts
self.layout = MTBoxLayout(size=self.size, orientation='vertical')
self.l_content = MTBoxLayout(orientation='vertical')
self.l_buttons = MTBoxLayout(size_hint=(1, None),
orientation='horizontal')
# Titles
if kwargs.get('title'):
self.w_title = MTLabel(label=kwargs.get('title'),
autosize=True, cls='popup-title')
# Buttons
self.w_submit = MTButton(label=kwargs.get('label_submit'),
size_hint=(0.5, None), height=40,
cls='popup-button')
self.w_submit.push_handlers(on_release=curry(
self._dispatch_event, 'on_submit'))
self.l_buttons.add_widget(self.w_submit)
if kwargs.get('show_cancel'):
self.w_cancel = MTButton(label=kwargs.get('label_cancel'),
size_hint=(0.5, None), height=40,
cls='popup-button')
self.w_cancel.push_handlers(on_release=curry(
self._dispatch_event, 'on_cancel'))
self.l_buttons.add_widget(self.w_cancel)
# Connect
if kwargs.get('title'):
self.layout.add_widget(self.w_title)
self.layout.add_widget(self.l_content)
self.layout.add_widget(self.l_buttons)
super(MTPopup, self).add_widget(self.layout)
def _ensure_layout(self, force=False):
while force or (self.size != self.layout.size):
self.layout.do_layout()
self.size = self.layout.size
force = False
def add_widget(self, widget, force=False):
self.l_content.add_widget(widget)
self._ensure_layout(force)
def remove_widget(self, widget, force=False):
self.l_content.remove_widget(widget)
self._ensure_layout(force)
def close(self):
if self.exit_on_submit:
self.parent.remove_widget(self)
else:
self.hide()
def on_submit(self):
self.close()
def on_cancel(self):
self.close()
def _dispatch_event(self, event, *largs):
self.dispatch_event(event)
def draw(self):
# draw background
set_color(*self.style['bg-color'])
drawCSSRectangle(size=self.size, style=self.style)
