def createToolHoverMoveEvent(self, tool: CreateSliceToolT,
part_item: SliceNucleicAcidPartItemT,
event: QGraphicsSceneHoverEvent):
if self.grid.grid_type == GridEnum.HONEYCOMB:
positionToLatticeCoord = HoneycombDnaPart.positionModelToLatticeCoord
else:
positionToLatticeCoord = SquareDnaPart.positionModelToLatticeCoord
coordinates = positionToLatticeCoord(
part_item.part().radius(),
event.scenePos().x(),
event.scenePos().y(),
scale_factor=part_item.scale_factor)
latticeCoordToXY = HoneycombDnaPart.latticeCoordToQtXY if self.grid.grid_type is GridEnum.HONEYCOMB \
else SquareDnaPart.latticeCoordToQtXY
coordinate_string = '(%s, %s)' % coordinates
coordiate_scaled_pos = '(%s, %s)' % latticeCoordToXY(
DEFAULT_RADIUS, coordinates[0], coordinates[1],
part_item.scale_factor)
coordiate_pos = '(%s, %s)' % latticeCoordToXY(
DEFAULT_RADIUS, coordinates[0], coordinates[1])
position_string = '(%s, %s)' % (event.scenePos().x(),
event.scenePos().y())
part_item.updateStatusBar('%s @ %s (%s) - %s' %
(coordinate_string, coordiate_scaled_pos,
coordiate_pos, position_string))
part_item.createToolHoverMove(tool, event)
def selectOrSnap(self, part_item: SliceNucleicAcidPartItemT,
target_item: SliceVirtualHelixItem,
event: QGraphicsSceneMouseEvent):
"""
Args:
part_item:
target_item: Description
event: Description
Deleted Parameters:
snap_to_item (SliceVirtualHelixItem or GridEvent): Item to snap
selection to
"""
self.setPartItem(part_item)
if (self.snap_origin_item is not None and event.modifiers() == Qt.AltModifier):
self.doSnap(part_item, target_item)
self.individual_pick = False
else: # just do a selection
if event.modifiers() != Qt.ShiftModifier:
self.modelClear() # deselect if shift isn't held
if isinstance(target_item, SliceVirtualHelixItem):
# NOTE: individual_pick seems not needed.
# it's supposed to allow for single item picking
# self.individual_pick = True
if self.snap_origin_item is not None:
self.snap_origin_item.setSnapOrigin(False)
self.snap_origin_item = None
doc = self.manager.document
part = part_item.part()
doc.addVirtualHelicesToSelection(part, [target_item.idNum()])
def selectOrSnap(self, part_item: SliceNucleicAcidPartItemT,
target_item: SliceVirtualHelixItem,
event: QGraphicsSceneMouseEvent):
"""
Args:
part_item:
target_item: Description
event: Description
Deleted Parameters:
snap_to_item (SliceVirtualHelixItem or GridEvent): Item to snap
selection to
"""
self.setPartItem(part_item)
if (self.snap_origin_item is not None
and event.modifiers() == Qt.AltModifier):
self.doSnap(part_item, target_item)
self.individual_pick = False
else: # just do a selection
if event.modifiers() != Qt.ShiftModifier:
self.modelClear() # deselect if shift isn't held
if isinstance(target_item, SliceVirtualHelixItem):
# NOTE: individual_pick seems not needed.
# it's supposed to allow for single item picking
# self.individual_pick = True
if self.snap_origin_item is not None:
self.snap_origin_item.setSnapOrigin(False)
self.snap_origin_item = None
doc = self.manager.document
part = part_item.part()
doc.addVirtualHelicesToSelection(part, [target_item.idNum()])
def createToolHoverMoveEvent(self, tool: CreateSliceToolT,
part_item: SliceNucleicAcidPartItemT,
event: QGraphicsSceneHoverEvent):
if self.grid.grid_type == GridEnum.HONEYCOMB:
positionToLatticeCoord = HoneycombDnaPart.positionModelToLatticeCoord
else:
positionToLatticeCoord = SquareDnaPart.positionModelToLatticeCoord
coordinates = positionToLatticeCoord(part_item.part().radius(),
event.scenePos().x(),
event.scenePos().y(),
scale_factor=part_item.scale_factor)
latticeCoordToXY = HoneycombDnaPart.latticeCoordToQtXY if self.grid.grid_type is GridEnum.HONEYCOMB \
else SquareDnaPart.latticeCoordToQtXY
coordinate_string = '(%s, %s)' % coordinates
coordiate_scaled_pos = '(%s, %s)' % latticeCoordToXY(DEFAULT_RADIUS, coordinates[0], coordinates[1], part_item.scale_factor)
coordiate_pos = '(%s, %s)' % latticeCoordToXY(DEFAULT_RADIUS, coordinates[0], coordinates[1])
position_string = '(%s, %s)' % (event.scenePos().x(), event.scenePos().y())
part_item.updateStatusBar('%s @ %s (%s) - %s' % (coordinate_string, coordiate_scaled_pos, coordiate_pos, position_string))
part_item.createToolHoverMove(tool, event)
def createToolMousePress(self, tool: CreateSliceToolT,
part_item: SliceNucleicAcidPartItemT,
event: QGraphicsSceneMouseEvent):
"""Called by :meth:`mousePressEvent` when clicking on the grid
Args:
tool: The tool that is being used
part_item:
event: The event that the mouse click triggered
"""
part_item = self.grid.part_item
tool = part_item._getActiveTool()
if tool.FILTER_NAME not in part_item.part().document().filter_set:
app_window = part_item.window()
app_window.showFilterHints(True, filter_name='virtual_helix')
return
part = part_item.part()
part.setSelected(True)
alt_event = GridEvent(self, self.offset)
part_item.setLastHoveredItem(self)
part_item.createToolMousePress(tool, event, alt_event)
def createToolMousePress(self, tool: CreateSliceToolT,
part_item: SliceNucleicAcidPartItemT,
event: QGraphicsSceneMouseEvent):
"""Called by :meth:`mousePressEvent` when clicking on the grid
Args:
tool: The tool that is being used
part_item:
event: The event that the mouse click triggered
"""
part_item = self.grid.part_item
tool = part_item._getActiveTool()
if tool.FILTER_NAME not in part_item.part().document().filter_set:
app_window = part_item.window()
app_window.showFilterHints(True, filter_name='virtual_helix')
return
part = part_item.part()
part.setSelected(True)
alt_event = GridEvent(self, self.offset)
part_item.setLastHoveredItem(self)
part_item.createToolMousePress(tool, event, alt_event)
def doSnap(self, part_item: SliceNucleicAcidPartItemT,
snap_to_item: SliceVirtualHelixItem):
"""
Args:
part_item:
snap_to_item: Item to snap
selection to
"""
# print("snapping")
origin = self.snap_origin_item.getCenterScenePos()
# xy = part_item.mapFromScene(snap_to_item.scenePos())
# xy2 = part_item.mapFromScene(self.snap_origin_item.scenePos())
# print("snapping from:", xy2.x(), xy2.y())
# print("snapped to:", xy.x(), xy.y())
if isinstance(snap_to_item, SliceVirtualHelixItem):
self.setVirtualHelixItem(snap_to_item)
destination = self.findNearestPoint(part_item, origin)
else: # GridEvent
destination = snap_to_item.pos()
print("GridEvent", destination)
origin = part_item.mapFromScene(origin)
if destination is None:
destination = origin
if origin == destination:
# snap clockwise
destination = self.findNextPoint(part_item, origin)
if origin is None or destination is None:
print("o", origin, "d", destination)
delta = destination - origin
dx, dy = delta.x(), delta.y()
group = self.group
pos = group.pos() + delta
self.group.setPos(pos)
self.moveSelection(dx, dy, False, use_undostack=True)
self.hideLineItem()
def doSnap(self, part_item: SliceNucleicAcidPartItemT,
snap_to_item: SliceVirtualHelixItem):
"""
Args:
part_item:
snap_to_item: Item to snap
selection to
"""
# print("snapping")
origin = self.snap_origin_item.getCenterScenePos()
# xy = part_item.mapFromScene(snap_to_item.scenePos())
# xy2 = part_item.mapFromScene(self.snap_origin_item.scenePos())
# print("snapping from:", xy2.x(), xy2.y())
# print("snapped to:", xy.x(), xy.y())
if isinstance(snap_to_item, SliceVirtualHelixItem):
self.setVirtualHelixItem(snap_to_item)
destination = self.findNearestPoint(part_item, origin)
else: # GridEvent
destination = snap_to_item.pos()
print("GridEvent", destination)
origin = part_item.mapFromScene(origin)
if destination is None:
destination = origin
if origin == destination:
# snap clockwise
destination = self.findNextPoint(part_item, origin)
if origin is None or destination is None:
print("o", origin, "d", destination)
delta = destination - origin
dx, dy = delta.x(), delta.y()
group = self.group
pos = group.pos() + delta
self.group.setPos(pos)
self.moveSelection(dx, dy, False, use_undostack=True)
self.hideLineItem()
def createToolHoverLeaveEvent(self, tool: CreateSliceToolT,
part_item: SliceNucleicAcidPartItemT,
event: QGraphicsSceneHoverEvent):
part_item.createToolHoverLeave(tool, event)
def selectToolHoverLeaveEvent(self, tool: SelectSliceToolT,
part_item: SliceNucleicAcidPartItemT,
event: QGraphicsSceneHoverEvent):
part_item.selectToolHoverLeave(tool, event)
def createToolHoverLeaveEvent(self, tool: CreateSliceToolT,
part_item: SliceNucleicAcidPartItemT,
event: QGraphicsSceneHoverEvent):
part_item.createToolHoverLeave(tool, event)
def selectToolHoverLeaveEvent(self, tool: SelectSliceToolT,
part_item: SliceNucleicAcidPartItemT,
event: QGraphicsSceneHoverEvent):
part_item.selectToolHoverLeave(tool, event)