class AnimatedCentralScroller(KeyboardResponsiveCentralScroller):
RIGHT = 0
LEFT = 1
ANIM_DURATION = 500
EASING = QEasingCurve.InOutQuad
def __init__(self, widgets, parent=None):
super(AnimatedCentralScroller, self).__init__(widgets, parent)
self._anim_grp = None
def next(self):
self_width = self.width()
self._anim_grp = QParallelAnimationGroup()
if self._current_index == len(self._widgets) - 1:
distance = self_width * (len(self._widgets) - 1)
for window in self._widgets:
self.animateWidget(window, distance, direction=self.RIGHT)
self._current_index = 0
else:
for window in self._widgets:
self.animateWidget(window, self_width, direction=self.LEFT)
self._current_index += 1
self._anim_grp.start()
self.window_changed.emit(self._current_index)
def prev(self):
self_width = self.width()
self._anim_grp = QParallelAnimationGroup()
if self._current_index == 0:
distance = self_width * (len(self._widgets) - 1)
for window in self._widgets:
self.animateWidget(window, distance, direction=self.LEFT)
self._current_index = len(self._widgets) - 1
else:
for window in self._widgets:
self.animateWidget(window, self_width, direction=self.RIGHT)
self._current_index -= 1
self._anim_grp.start()
self.window_changed.emit(self._current_index)
def animateWidget(self, widget, distance, direction):
widget_anim = QPropertyAnimation(widget, "geometry")
cur_geom = widget.geometry()
next_geom = QRect(cur_geom)
if direction == self.LEFT:
next_geom.moveTo(widget.pos() - QPoint(distance, 0))
elif direction == self.RIGHT:
next_geom.moveTo(widget.pos() + QPoint(distance, 0))
widget_anim.setDuration(self.ANIM_DURATION)
widget_anim.setEasingCurve(self.EASING)
widget_anim.setStartValue(cur_geom)
widget_anim.setEndValue(next_geom)
self._anim_grp.addAnimation(widget_anim)
def clear_sweep(self, pos):
group = QParallelAnimationGroup()
end_pos = self.cards[pos].card_widget.geometry()
for card in self.cards:
widget = card.pop()
widget.raise_()
ani = QPropertyAnimation(widget, "geometry")
ani.setDuration(750)
ani.setEndValue(end_pos)
ani.finished.connect(partial(widget.setParent, None))
group.addAnimation(ani)
group.start()
self.ani_group = group # Save to keep from being cleaned up
class AnimatedSlideshowWidget(SlideshowWidget):
"""
Override the click handlers to create an animation
"""
RIGHT = 0
LEFT = 1
ANIM_DURATION = 500
EASING = QEasingCurve.InOutQuad
def __init__(self, *args, **kwargs):
super(AnimatedSlideshowWidget, self).__init__(*args, **kwargs)
self._anim_grp = None
def nextImage(self):
self_width = self.width()
self._anim_grp = QParallelAnimationGroup()
if self._cur_widget_index == len(self._image_widgets) - 1:
distance = self_width * (len(self._image_widgets) - 1)
for image_widget in self._image_widgets:
self.animateWidget(image_widget, distance, direction=self.RIGHT)
self._cur_widget_index = 0
else:
for image_widget in self._image_widgets:
self.animateWidget(image_widget, self_width, direction=self.LEFT)
self._cur_widget_index += 1
self._anim_grp.start()
def prevImage(self):
self_width = self.width()
self._anim_grp = QParallelAnimationGroup()
if self._cur_widget_index == 0:
distance = self_width * (len(self._image_widgets) - 1)
for image_widget in self._image_widgets:
self.animateWidget(image_widget, distance, direction=self.LEFT)
self._cur_widget_index = len(self._image_widgets) - 1
else:
for image_widget in self._image_widgets:
self.animateWidget(image_widget, self_width, direction=self.RIGHT)
self._cur_widget_index -= 1
self._anim_grp.start()
def animateWidget(self, widget, distance, direction):
widget_anim = QPropertyAnimation(widget, "geometry")
cur_geom = widget.geometry()
next_geom = QRect(cur_geom)
if direction == self.LEFT:
next_geom.moveTo(widget.pos() - QPoint(distance, 0))
elif direction == self.RIGHT:
next_geom.moveTo(widget.pos() + QPoint(distance, 0))
widget_anim.setDuration(self.ANIM_DURATION)
widget_anim.setEasingCurve(self.EASING)
widget_anim.setStartValue(cur_geom)
widget_anim.setEndValue(next_geom)
self._anim_grp.addAnimation(widget_anim)
@staticmethod
def slideshowCreator(imageList):
"""Return a suitable widget according to the number of images in imageList"""
from visualscrape.ui.viewer.support import ImageWidget
if not imageList:
return QWidget()
elif len(imageList) == 1:
return ImageWidget(imageList[0])
else:
return AnimatedSlideshowWidget(imageList)
class AnimatedSlideshowWidget(SlideshowWidget):
"""
Override the click handlers to create an animation
"""
RIGHT = 0
LEFT = 1
ANIM_DURATION = 500
EASING = QEasingCurve.InOutQuad
def __init__(self, *args, **kwargs):
super(AnimatedSlideshowWidget, self).__init__(*args, **kwargs)
self._anim_grp = None
def nextImage(self):
self_width = self.width()
self._anim_grp = QParallelAnimationGroup()
if self._cur_widget_index == len(self._image_widgets) - 1:
distance = self_width * (len(self._image_widgets) - 1)
for image_widget in self._image_widgets:
self.animateWidget(image_widget,
distance,
direction=self.RIGHT)
self._cur_widget_index = 0
else:
for image_widget in self._image_widgets:
self.animateWidget(image_widget,
self_width,
direction=self.LEFT)
self._cur_widget_index += 1
self._anim_grp.start()
def prevImage(self):
self_width = self.width()
self._anim_grp = QParallelAnimationGroup()
if self._cur_widget_index == 0:
distance = self_width * (len(self._image_widgets) - 1)
for image_widget in self._image_widgets:
self.animateWidget(image_widget, distance, direction=self.LEFT)
self._cur_widget_index = len(self._image_widgets) - 1
else:
for image_widget in self._image_widgets:
self.animateWidget(image_widget,
self_width,
direction=self.RIGHT)
self._cur_widget_index -= 1
self._anim_grp.start()
def animateWidget(self, widget, distance, direction):
widget_anim = QPropertyAnimation(widget, "geometry")
cur_geom = widget.geometry()
next_geom = QRect(cur_geom)
if direction == self.LEFT:
next_geom.moveTo(widget.pos() - QPoint(distance, 0))
elif direction == self.RIGHT:
next_geom.moveTo(widget.pos() + QPoint(distance, 0))
widget_anim.setDuration(self.ANIM_DURATION)
widget_anim.setEasingCurve(self.EASING)
widget_anim.setStartValue(cur_geom)
widget_anim.setEndValue(next_geom)
self._anim_grp.addAnimation(widget_anim)
@staticmethod
def slideshowCreator(imageList):
"""Return a suitable widget according to the number of images in imageList"""
from visualscrape.ui.viewer.support import ImageWidget
if not imageList:
return QWidget()
elif len(imageList) == 1:
return ImageWidget(imageList[0])
else:
return AnimatedSlideshowWidget(imageList)