def __init__(self, parent, canvas):
""" Initialization
"""
NavigationToolbar2.__init__(self, canvas, canvas)
self._myParent = parent
self._navigationMode = MyNavigationToolbar.NAVIGATION_MODE_NONE
return
def draw(self):
"""
Canvas is drawn called by pan(), zoom()
:return:
"""
NavigationToolbar2.draw(self)
self._myParent.evt_view_updated()
return
def _update_view(self):
"""
view update called by home(), back() and forward()
:return:
"""
NavigationToolbar2._update_view(self)
self._myParent.evt_view_updated()
return
def release_zoom(self, event):
"""
override zoom released method
Parameters
----------
event
Returns
-------
"""
self.canvas_zoom_released.emit()
NavigationToolbar2.release_zoom(self, event)
return
def zoom(self, *args):
"""
Turn on/off zoom (zoom button)
:param args:
:return:
"""
NavigationToolbar2.zoom(self, args)
if self._myMode == MyNavigationToolbar.NAVIGATION_MODE_ZOOM:
# out of zoom mode
self._myMode = MyNavigationToolbar.NAVIGATION_MODE_NONE
else:
# into zoom mode
self._myMode = MyNavigationToolbar.NAVIGATION_MODE_ZOOM
return
def pan(self, *args):
"""
:param args:
:return:
"""
NavigationToolbar2.pan(self, args)
if self._myMode == MyNavigationToolbar.NAVIGATION_MODE_PAN:
# out of pan mode
self._myMode = MyNavigationToolbar.NAVIGATION_MODE_NONE
else:
# into pan mode
self._myMode = MyNavigationToolbar.NAVIGATION_MODE_PAN
return
def __init__(self, parent, canvas):
""" Initialization
built-in methods
- drag_zoom(self, event): triggered during holding the mouse and moving
"""
NavigationToolbar2.__init__(self, canvas, canvas)
# parent
self._myParent = parent
# tool bar mode
self._myMode = MyNavigationToolbar.NAVIGATION_MODE_NONE
# connect the events to parent
self.home_button_pressed.connect(self._myParent.evt_toolbar_home)
self.canvas_zoom_released.connect(self._myParent.evt_zoom_released)
return
def home(self, *args):
"""
Parameters
----------
args
Returns
-------
"""
# call super's home() method
NavigationToolbar2.home(self, args)
# send a signal to parent class for further operation
self.home_button_pressed.emit()
return
def edit_parameters(self):
NavigationToolbar2QT.edit_parameters(self)
self.plotOptionsChanged.emit()