def itemChange(self, change, value):
return QGraphicsPathItem.itemChange(self, change, value)
# for selection changes test against QGraphicsItem.ItemSelectedChange
# intercept the change instead of the has changed to enable features.
if change == QGraphicsItem.ItemSelectedChange and self.scene():
active_tool = self._getActiveTool()
if active_tool.methodPrefix() == "selectTool":
sI = self._strand_item
viewroot = sI.viewroot()
current_filter_dict = viewroot.selectionFilterDict()
selection_group = viewroot.strandItemSelectionGroup()
# only add if the selection_group is not locked out
if value == True and (self._filterName in current_filter_dict or not selection_group.isNormalSelect()):
if sI.strandFilter() in current_filter_dict:
# print "might add a xoi"
if self.group() != selection_group and selection_group.isNormalSelect():
# print "adding an xoi"
selection_group.pendToAdd(self)
selection_group.setSelectionLock(selection_group)
self.setSelectedColor(True)
return True
else:
# print "Doh"
return False
# end if
elif value == True:
# print "DOink"
return False
else:
# Deselect
# Check if the strand is being added to the selection group still
if not selection_group.isPending(self._strand_item):
selection_group.pendToRemove(self)
self.tempReparent()
self.setSelectedColor(False)
return False
else: # don't deselect it, because the strand is selected still
return True
# end else
# end if
elif str(active_tool) == "paint_tool":
sI = self._strand_item
viewroot = sI.viewroot()
current_filter_dict = viewroot.selectionFilterDict()
if sI.strandFilter() in current_filter_dict:
if not active_tool.isMacrod():
active_tool.setMacrod()
self.paintToolMousePress()
return False
# end if
return QGraphicsPathItem.itemChange(self, change, value)
def itemChange(self, change, value):
"""Summary
Args:
change (TYPE): Description
value (TYPE): Description
Returns:
TYPE: Description
"""
# for selection changes test against QGraphicsItem.ItemSelectedChange
# intercept the change instead of the has changed to enable features.
if change == QGraphicsItem.ItemSelectedChange and self.scene():
active_tool = self._getActiveTool()
if active_tool.methodPrefix() == "selectTool":
sI = self._strand_item
viewroot = sI.viewroot()
current_filter_set = viewroot.selectionFilterSet()
selection_group = viewroot.strandItemSelectionGroup()
# only add if the selection_group is not locked out
if value == True and (self.FILTER_NAME in current_filter_set or not selection_group.isNormalSelect()): # noqa
if sI.strandFilter() in current_filter_set:
# print("might add a xoi")
if self.group() != selection_group and selection_group.isNormalSelect():
# print("adding an xoi")
selection_group.pendToAdd(self)
selection_group.setSelectionLock(selection_group)
self.setSelectedColor(True)
return True
else:
# print("Doh")
return False
# end if
elif value == True: # noqa
# print("DOink")
return False
else:
# Deselect
# Check if the strand is being added to the selection group still
if not selection_group.isPending(self._strand_item):
selection_group.pendToRemove(self)
self.tempReparent()
self.setSelectedColor(False)
return False
else: # don't deselect it, because the strand is selected still
return True
# end else
# end if
elif str(active_tool) == "paint_tool":
sI = self._strand_item
viewroot = sI.viewroot()
current_filter_set = viewroot.selectionFilterSet()
if sI.strandFilter() in current_filter_set:
if not active_tool.isMacrod():
active_tool.setMacrod()
self.paintToolMousePress()
return False
# end if
return QGraphicsPathItem.itemChange(self, change, value)
def itemChange(self, change, value):
if change == QGraphicsItem.ItemPositionChange and self.scene():
# If the position changes then do so with an redo/undo command
command = CommandMoveItem(self, value)
# Push the command onto the stack.
self.scene().undoStack.push(command)
# Exec the parent class change command.
return QGraphicsPathItem.itemChange(self, change, value)
def itemChange(self, change, value):
# for selection changes test against QGraphicsItem.ItemSelectedChange
# intercept the change instead of the has changed to enable features.
if change == QGraphicsItem.ItemSelectedChange and self.scene():
active_tool = self._getActiveTool()
if str(active_tool) == "select_tool":
s_i = self._strand_item
viewroot = s_i.viewroot()
current_filter_set = viewroot.selectionFilterSet()
selection_group = viewroot.strandItemSelectionGroup()
# only add if the selection_group is not locked out
if value == True and self.FILTER_NAME in current_filter_set:
# if (self.group() != selection_group and
# s_i.strandFilter() in current_filter_set):
if s_i.strandFilter() in current_filter_set:
if self.group(
) != selection_group or not self.isSelected():
# print("select ep")
selection_group.pendToAdd(self)
selection_group.setSelectionLock(selection_group)
self.setSelectedColor(True)
# print("select2 ep")
return True
else:
return False
# end if
elif value == True:
# don't select
return False
else:
# Deselect
# print("deselect ep")
# Check if strand is being added to the selection group still
if not selection_group.isPending(self._strand_item):
selection_group.pendToRemove(self)
self.tempReparent()
self.setSelectedColor(False)
return False
else: # don't deselect, because the strand is still selected
return True
# end else
# end if
elif str(active_tool) == "paint_tool":
s_i = self._strand_item
viewroot = s_i.viewroot()
current_filter_set = viewroot.selectionFilterSet()
if s_i.strandFilter() in current_filter_set:
if not active_tool.isMacrod():
active_tool.setMacrod()
self.paintToolMousePress(None, None, None)
# end elif
return False
# end if
return QGraphicsPathItem.itemChange(self, change, value)
def itemChange(self, change, value):
# for selection changes test against QGraphicsItem.ItemSelectedChange
# intercept the change instead of the has changed to enable features.
if change == QGraphicsItem.ItemSelectedChange and self.scene():
active_tool = self._getActiveTool()
if str(active_tool) == "select_tool":
s_i = self._strand_item
viewroot = s_i.viewroot()
current_filter_set = viewroot.selectionFilterSet()
selection_group = viewroot.strandItemSelectionGroup()
# only add if the selection_group is not locked out
if value == True and self.FILTER_NAME in current_filter_set:
# if (self.group() != selection_group and
# s_i.strandFilter() in current_filter_set):
if s_i.strandFilter() in current_filter_set:
if self.group() != selection_group or not self.isSelected():
# print("select ep")
selection_group.pendToAdd(self)
selection_group.setSelectionLock(selection_group)
self.setSelectedColor(True)
# print("select2 ep")
return True
else:
return False
# end if
elif value == True:
# don't select
return False
else:
# Deselect
# print("deselect ep")
# Check if strand is being added to the selection group still
if not selection_group.isPending(self._strand_item):
selection_group.pendToRemove(self)
self.tempReparent()
self.setSelectedColor(False)
return False
else: # don't deselect, because the strand is still selected
return True
# end else
# end if
elif str(active_tool) == "paint_tool":
s_i = self._strand_item
viewroot = s_i.viewroot()
current_filter_set = viewroot.selectionFilterSet()
if s_i.strandFilter() in current_filter_set:
if not active_tool.isMacrod():
active_tool.setMacrod()
self.paintToolMousePress(None, None, None)
# end elif
return False
# end if
return QGraphicsPathItem.itemChange(self, change, value)
def itemChange(self, change, value):
"""Overload QGraphicsPathItem method."""
if (change == QGraphicsItem.ItemSelectedChange):
# usually setSelected should not be called here, but
# setSelected has been overriden and does not call the base method
self.setSelected(value)
# return False to avoid the deselection of the pointhandle
# (multiple selection seems impossible without holding ctrl)
return False
# forward event
return QGraphicsPathItem.itemChange(self, change, value)
def itemChange(self, change, value):
"""Overload QGraphicsPathItem."""
# noqa see file:///usr/share/doc/packages/python-qt4-devel/doc/html/qgraphicsitem.html#itemChange
# they add && scene() to the condition. To check
# the example shows also how to keep the item in the scene area
if change == QGraphicsItem.ItemSelectedChange:
# reset, since not in a move
self.position_before_move = None
elif change == QGraphicsItem.ItemPositionChange:
#print "pos changed to: ", value
new_pos = value
old_pos = self.pos()
if self.position_before_move is None:
# beginning move => keep the original position
self.position_before_move = old_pos
# total displacement since the beginning of the move
total_dx = new_pos.x() - self.position_before_move.x()
total_dy = new_pos.y() - self.position_before_move.y()
if self.scene().move_restrictions_on:
if abs(total_dx) >= abs(total_dy):
# move along x only
new_pos.setY(self.position_before_move.y())
else:
# move along y only
new_pos.setX(self.position_before_move.x())
# displacement for this elementary move
current_dx = new_pos.x() - old_pos.x()
current_dy = new_pos.y() - old_pos.y()
#print "dx = ", current_dx, "dy = ", current_dy, self
# move
# the Qt item will be translated by Qt, based on "value"
# the listener will move the element
elements.regions.Polycurve.translate(self.e,
dx=current_dx,
dy=current_dy)
self.scene().move_id += 1
value = old_pos + QPointF(current_dx, current_dy)
elif change == QGraphicsItem.ItemSceneChange:
old_scene = self.scene()
new_scene = value
if old_scene:
old_scene.signal_set_all_selected.disconnect(self.setSelected)
old_scene.signal_reset_move.disconnect(self.reset_move)
if new_scene:
new_scene.signal_set_all_selected.connect(self.setSelected)
new_scene.signal_reset_move.connect(self.reset_move)
# forward event
return QGraphicsPathItem.itemChange(self, change, value)
def itemChange(self, change: QGraphicsItem.GraphicsItemChange,
value: Any) -> bool:
"""Used for selection of the :class:`XoverItem`
Args:
change: parameter that is changing
value : new value whose type depends on the ``change`` argument
Returns:
If the change is a ``QGraphicsItem.ItemSelectedChange``::
``True`` if selected, other ``False``
Otherwise default to :meth:`QGraphicsPathItem.itemChange()` result
"""
# for selection changes test against QGraphicsItem.ItemSelectedChange
# intercept the change instead of the has changed to enable features.
if change == QGraphicsItem.ItemSelectedChange and self.scene():
active_tool = self._getActiveTool()
if active_tool.methodPrefix() == "selectTool":
s_i = self._strand_item
viewroot = s_i.viewroot()
current_filter_set = viewroot.selectionFilterSet()
selection_group = viewroot.strandItemSelectionGroup()
# only add if the selection_group is not locked out
if value == True and (
self.FILTER_NAME in current_filter_set
or not selection_group.isNormalSelect()): # noqa
if all(f in current_filter_set
for f in s_i.strandFilter()):
# print("might add a xoi")
if self.group(
) != selection_group and selection_group.isNormalSelect(
):
# print("adding an xoi")
selection_group.pendToAdd(self)
selection_group.setSelectionLock(selection_group)
self.setSelectedColor(True)
return True
else:
# print("Doh")
return False
# end if
elif value == True: # noqa
# print("Doink")
return False
else:
# Deselect
# Check if the strand is being added to the selection group still
if not selection_group.isPending(self._strand_item):
selection_group.pendToRemove(self)
self.tempReparent()
self.setSelectedColor(False)
return False
else: # don't deselect it, because the strand is selected still
return True
# end else
# end if
elif str(active_tool) == "paint_tool":
s_i = self._strand_item
viewroot = s_i.viewroot()
current_filter_set = viewroot.selectionFilterSet()
if all(f in current_filter_set for f in s_i.strandFilter()):
if not active_tool.isMacrod():
active_tool.setMacrod()
self.paintToolMousePress()
return False
# end if
return QGraphicsPathItem.itemChange(self, change, value)
def itemChange(self, change, value):
if change == QGraphicsItem.ItemPositionChange and self.scene():
command = CommandMoveItem(self, value)
self.scene().undoStack.push(command)
return QGraphicsPathItem.itemChange(self, change, value)
def itemChange(self, change: QGraphicsItem.GraphicsItemChange,
value: Any) -> bool:
"""Used for selection of the :class:`EndpointItem`
Args:
change: parameter that is changing
value : new value whose type depends on the ``change`` argument
Returns:
If the change is a ``QGraphicsItem.ItemSelectedChange``::
``True`` if selected, other ``False``
Otherwise default to :meth:`QGraphicsPathItem.itemChange()` result
"""
# for selection changes test against QGraphicsItem.ItemSelectedChange
# intercept the change instead of the has changed to enable features.
if change == QGraphicsItem.ItemSelectedChange and self.scene():
active_tool = self._getActiveTool()
if str(active_tool) == "select_tool":
s_i = self._strand_item
viewroot = s_i.viewroot()
current_filter_set = viewroot.selectionFilterSet()
selection_group = viewroot.strandItemSelectionGroup()
# only add if the selection_group is not locked out
if value == True and self.FILTER_NAME in current_filter_set:
if all(f in current_filter_set for f in s_i.strandFilter()):
if self.group() != selection_group or not self.isSelected():
selection_group.pendToAdd(self)
selection_group.setSelectionLock(selection_group)
self.setSelectedColor(True)
return True
else:
return False
# end if
elif value == True:
# don't select
return False
else:
# Deselect
# print("deselect ep")
# Check if strand is being added to the selection group still
if not selection_group.isPending(self._strand_item):
selection_group.pendToRemove(self)
self.tempReparent()
self.setSelectedColor(False)
return False
else: # don't deselect, because the strand is still selected
return True
# end else
# end if
elif str(active_tool) == "paint_tool":
s_i = self._strand_item
viewroot = s_i.viewroot()
current_filter_set = viewroot.selectionFilterSet()
if all(f in current_filter_set for f in s_i.strandFilter()):
if not active_tool.isMacrod():
active_tool.setMacrod()
self.paintToolMousePress(None, None, None)
# end elif
return False
# end if
return QGraphicsPathItem.itemChange(self, change, value)
