def itemChange(self, change, value):
if change == QGraphicsItem.ItemPositionChange:
if hasattr(self, '_edges'):
newp = value.toPointF()
for e, p in self._edges:
if p == 1: e.setLine(QLineF(newp, e.line().p2()))
elif p == 2: e.setLine(QLineF(e.line().p1(), newp))
return QGraphicsItem.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.ItemSelectedHasChanged and self.scene():
if change == QGraphicsItem.ItemSelectedChange and self.scene():
selectionGroup = self.parent.phhSelectionGroup
lock = selectionGroup.parentItem().selectionLock
if value == True and (lock == None or lock == selectionGroup):
selectionGroup.addToGroup(self)
selectionGroup.parentItem().selectionLock = selectionGroup
return QGraphicsItem.itemChange(self, change, True)
# end if
else:
return QGraphicsItem.itemChange(self, change, False)
# end else
self.update(self.boundingRect())
return QGraphicsItem.itemChange(self, change, value)
def itemChange(self, change, value):
if change == QGraphicsItem.ItemPositionChange :
point = value.toPointF()
self.pos[self.node] = [point.x(), point.y()]
self.scene.update()
self.m_signalLinkNode.nodeItemSignal.emit (self.node, self.pos[self.node])
return QGraphicsItem.itemChange(self, change, value)
def itemChange(self, change, value):
if change == QGraphicsItem.ItemPositionChange:
pos = value.toPointF()
scene = self.scene()
if not self.changing and scene is not None:
self.changing = True
scene.templatePosChange.emit(pos)
self.changing = False
return QGraphicsItem.itemChange(self, change, value)
def itemChange(self, change, value):
if change == QGraphicsItem.ItemPositionChange:
pos = value.toPointF()
scene = self.scene()
if not self.changing and scene is not None:
self.changing = True
scene.templatePosChange.emit(pos)
self.changing = False
return QGraphicsItem.itemChange(self, change, value)
def itemChange(self, change, value):
if change == QGraphicsItem.ItemSceneChange:
# if the item is removed from the scene ...
if self.scene():
if self.arrow:
# I can only remove the target of the arrow ... so I have to remove the source
src = self.arrow.source
self.arrow.removeArrow()
src.removePoint()
if self.link:
self.link.removePoint()
if self.back_link:
self.back_link.link = None
self.link = self.arrow = self.back_link = None
elif change == QGraphicsItem.ItemPositionHasChanged:
pos = self.pos()
if self.link:
self.link.setPos(pos)
if self.arrow:
self.arrow.updateShape(self, value.toPointF())
return QGraphicsItem.itemChange(self, change, value)
def itemChange(self, change, value):
if change == QGraphicsItem.ItemSceneChange:
# if the item is removed from the scene ...
if self.scene():
if self.arrow:
# I can only remove the target of the arrow ... so I have to remove the source
src = self.arrow.source
self.arrow.removeArrow()
src.removePoint()
if self.link:
self.link.removePoint()
if self.back_link:
self.back_link.link = None
self.link = self.arrow = self.back_link = None
elif change == QGraphicsItem.ItemPositionHasChanged:
pos = self.pos()
if self.link:
self.link.setPos(pos)
if self.arrow:
self.arrow.updateShape(self, value.toPointF())
return QGraphicsItem.itemChange(self, change, value)
