def __init__(self, model_part_instance, viewroot, parent):
"""parent should always be pathrootitem
Args:
model_part_instance (TYPE): Description
viewroot (TYPE): Description
parent (TYPE): Description
"""
super(PathNucleicAcidPartItem, self).__init__(model_part_instance,
viewroot, parent)
self._getActiveTool = viewroot.manager.activeToolGetter
self.active_virtual_helix_item = None
m_p = self._model_part
self._controller = NucleicAcidPartItemController(self, m_p)
self.prexover_manager = PreXoverManager(self)
self._virtual_helix_item_list = []
self._vh_rect = QRectF()
self.setAcceptHoverEvents(True)
self._initModifierRect()
self._proxy_parent = ProxyParentItem(self)
self._proxy_parent.setFlag(QGraphicsItem.ItemHasNoContents)
self._scale_2_model = m_p.baseWidth() / _BASE_WIDTH
self._scale_2_Qt = _BASE_WIDTH / m_p.baseWidth()
GC_SIZE = 20
self.grab_corner = GrabCornerItem(GC_SIZE, m_p.getColor(), False, self)
def __init__(self, model_part_instance, viewroot, parent=None):
"""Summary
Args:
model_part_instance (TYPE): Description
viewroot (TYPE): Description
parent (None, optional): Description
"""
super(SliceNucleicAcidPartItem, self).__init__(model_part_instance,
viewroot, parent)
self._getActiveTool = viewroot.manager.activeToolGetter
m_p = self._model_part
self._controller = NucleicAcidPartItemController(self, m_p)
self.scale_factor = self._RADIUS / m_p.radius()
self.active_virtual_helix_item = None
self.prexover_manager = PreXoverManager(self)
self.hide() # hide while until after attemptResize() to avoid flicker
self._rect = QRectF(0., 0., 1000., 1000.) # set this to a token value
self.boundRectToModel()
self.setPen(getNoPen())
self.setRect(self._rect)
self.setAcceptHoverEvents(True)
# Cache of VHs that were active as of last call to activeSliceChanged
# If None, all slices will be redrawn and the cache will be filled.
# Connect destructor. This is for removing a part from scenes.
# initialize the NucleicAcidPartItem with an empty set of old coords
self.setZValue(styles.ZPARTITEM)
self.outline = outline = QGraphicsRectItem(self)
o_rect = self.configureOutline(outline)
outline.setFlag(QGraphicsItem.ItemStacksBehindParent)
outline.setZValue(styles.ZDESELECTOR)
model_color = m_p.getColor()
self.outline.setPen(getPenObj(model_color, _DEFAULT_WIDTH))
GC_SIZE = 10
self.grab_cornerTL = GrabCornerItem(GC_SIZE, model_color, True, self)
self.grab_cornerTL.setTopLeft(o_rect.topLeft())
self.grab_cornerBR = GrabCornerItem(GC_SIZE, model_color, True, self)
self.grab_cornerBR.setBottomRight(o_rect.bottomRight())
self.griditem = GridItem(self, self._model_props['grid_type'])
self.griditem.setZValue(1)
self.grab_cornerTL.setZValue(2)
self.grab_cornerBR.setZValue(2)
# select upon creation
for part in m_p.document().children():
if part is m_p:
part.setSelected(True)
else:
part.setSelected(False)
self.show()
def __init__(self, model_part, parent):
super(OutlineNucleicAcidPartItem, self).__init__(model_part, parent)
self._controller = NucleicAcidPartItemController(self, model_part)
self._model_part = model_part
self.setExpanded(True)
# properties
temp_color = model_part.getColor()
# outlinerview takes responsibility of overriding default part color
if temp_color == "#000000":
index = len(model_part.document().children()) - 1
new_color = styles.PARTCOLORS[index % len(styles.PARTCOLORS)]
model_part.setProperty('color', new_color)
# item groups
self._root_items = {}
self._root_items['VHelixList'] = self.createRootPartItem('Virtual Helices', self)
self._root_items['OligoList'] = self.createRootPartItem('Oligos', self)
# self._root_items['Modifications'] = self._createRootItem('Modifications', self)
if model_part.is_active:
print("should be active")
self.activate()
def __init__(self, **kwargs):
"""Summary
Args:
model_part (Part): The model part
parent (PropertyEditorWidget): The property editor
key (None, optional): Description
"""
super().__init__(**kwargs)
if self._key == "name":
for model_part in self.cnModelList():
self._controller_list.append(
NucleicAcidPartItemController(self, model_part))
class PathNucleicAcidPartItem(QAbstractPartItem):
"""Summary
Attributes:
active_virtual_helix_item (cadnano.gui.views.pathview.virtualhelixitem.VirtualHelixItem): Description
findChild (TYPE): Description
grab_corner (TYPE): Description
prexover_manager (TYPE): Description
"""
findChild = util.findChild # for debug
_BOUNDING_RECT_PADDING = 0
def __init__(self, model_part_instance, viewroot, parent):
"""parent should always be pathrootitem
Args:
model_part_instance (TYPE): Description
viewroot (TYPE): Description
parent (TYPE): Description
"""
super(PathNucleicAcidPartItem, self).__init__(model_part_instance, viewroot, parent)
self._getActiveTool = viewroot.manager.activeToolGetter
self.active_virtual_helix_item = None
m_p = self._model_part
self._controller = NucleicAcidPartItemController(self, m_p)
self.prexover_manager = PreXoverManager(self)
self._virtual_helix_item_list = []
self._vh_rect = QRectF()
self.setAcceptHoverEvents(True)
self._initModifierRect()
self._proxy_parent = ProxyParentItem(self)
self._proxy_parent.setFlag(QGraphicsItem.ItemHasNoContents)
self._scale_2_model = m_p.baseWidth()/_BASE_WIDTH
self._scale_2_Qt = _BASE_WIDTH / m_p.baseWidth()
GC_SIZE = 10
self.grab_corner = GrabCornerItem(GC_SIZE, m_p.getColor(), False, self)
# end def
def proxy(self):
"""Summary
Returns:
TYPE: Description
"""
return self._proxy_parent
# end def
def modelColor(self):
"""Summary
Returns:
TYPE: Description
"""
return self._model_part.getProperty('color')
# end def
def convertToModelZ(self, z):
"""scale Z-axis coordinate to the model
Args:
z (TYPE): Description
"""
return z * self._scale_2_model
# end def
def convertToQtZ(self, z):
"""Summary
Args:
z (TYPE): Description
Returns:
TYPE: Description
"""
return z * self._scale_2_Qt
# end def
def _initModifierRect(self):
"""docstring for _initModifierRect
"""
self._can_show_mod_rect = False
self._mod_rect = m_r = QGraphicsRectItem(_DEFAULT_RECT, self)
m_r.setPen(_MOD_PEN)
m_r.hide()
# end def
def vhItemForIdNum(self, id_num):
"""Returns the pathview VirtualHelixItem corresponding to id_num
Args:
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
"""
return self._virtual_helix_item_hash.get(id_num)
### SIGNALS ###
### SLOTS ###
def partActiveVirtualHelixChangedSlot(self, part, id_num):
"""Summary
Args:
part (TYPE): Description
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
Returns:
TYPE: Description
"""
vhi = self._virtual_helix_item_hash.get(id_num, None)
self.setActiveVirtualHelixItem(vhi)
self.setPreXoverItemsVisible(vhi)
# end def
def partActiveBaseInfoSlot(self, part, info):
"""Summary
Args:
part (TYPE): Description
info (TYPE): Description
Returns:
TYPE: Description
"""
pxoig = self.prexover_manager
pxoig.deactivateNeighbors()
if info and info is not None:
id_num, is_fwd, idx, to_vh_id_num = info
pxoig.activateNeighbors(id_num, is_fwd, idx)
# end def
def partZDimensionsChangedSlot(self, model_part, min_id_num, max_id_num, ztf=False):
"""Summary
Args:
model_part (Part): The model part
min_id_num (TYPE): Description
max_id_num (TYPE): Description
ztf (bool, optional): Description
Returns:
TYPE: Description
"""
if len(self._virtual_helix_item_list) > 0:
vhi_hash = self._virtual_helix_item_hash
vhi_max = vhi_hash[max_id_num]
vhi_rect_max = vhi_max.boundingRect()
self._vh_rect.setRight(vhi_rect_max.right() + vhi_max.x())
vhi_min = vhi_hash[min_id_num]
vhi_h_rect = vhi_min.handle().boundingRect()
self._vh_rect.setLeft((vhi_h_rect.left() -
styles.VH_XOFFSET +
vhi_min.x()))
if ztf:
self.scene().views()[0].zoomToFit()
self._updateBoundingRect()
# end def
def partSelectedChangedSlot(self, model_part, is_selected):
"""Summary
Args:
model_part (Part): The model part
is_selected (TYPE): Description
Returns:
TYPE: Description
"""
# print("partSelectedChangedSlot", is_selected)
if is_selected:
self.resetPen(styles.SELECTED_COLOR, styles.SELECTED_PEN_WIDTH)
self.resetBrush(styles.SELECTED_BRUSH_COLOR, styles.SELECTED_ALPHA)
else:
self.resetPen(self.modelColor())
self.resetBrush(styles.DEFAULT_BRUSH_COLOR, styles.DEFAULT_ALPHA)
def partPropertyChangedSlot(self, model_part, property_key, new_value):
"""Summary
Args:
model_part (Part): The model part
property_key (TYPE): Description
new_value (TYPE): Description
Returns:
TYPE: Description
"""
if self._model_part == model_part:
self._model_props[property_key] = new_value
if property_key == 'color':
self._updateBoundingRect()
for vhi in self._virtual_helix_item_list:
vhi.handle().refreshColor()
self.grab_corner.setBrush(getBrushObj(new_value))
elif property_key == 'is_visible':
if new_value:
self.show()
else:
self.hide()
elif property_key == 'virtual_helix_order':
vhi_dict = self._virtual_helix_item_hash
new_list = [vhi_dict[id_num] for id_num in new_value]
ztf = False
self._setVirtualHelixItemList(new_list, zoom_to_fit=ztf)
# end def
def partVirtualHelicesTranslatedSlot(self, sender,
vh_set, left_overs,
do_deselect):
"""Summary
Args:
sender (obj): Model object that emitted the signal.
vh_set (TYPE): Description
left_overs (TYPE): Description
do_deselect (TYPE): Description
Returns:
TYPE: Description
"""
# self.prexover_manager.clearPreXoverItems()
# if self.active_virtual_helix_item is not None:
# self.active_virtual_helix_item.deactivate()
# self.active_virtual_helix_item = None
# if self.active_virtual_helix_item is not None:
# self.setPreXoverItemsVisible(self.active_virtual_helix_item)
pass
# end def
def partRemovedSlot(self, sender):
"""docstring for partRemovedSlot
Args:
sender (obj): Model object that emitted the signal.
"""
self.parentItem().removePartItem(self)
scene = self.scene()
scene.removeItem(self)
self._model_part = None
self._virtual_helix_item_hash = None
self._virtual_helix_item_list = None
self._controller.disconnectSignals()
self._controller = None
self.grab_corner = None
# end def
def partVirtualHelixAddedSlot(self, model_part, id_num, virtual_helix, neighbors):
"""
When a virtual helix is added to the model, this slot handles
the instantiation of a virtualhelix item.
Args:
model_part (Part): The model part
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
"""
# print("NucleicAcidPartItem.partVirtualHelixAddedSlot")
vhi = PathVirtualHelixItem(virtual_helix, self, self._viewroot)
self._virtual_helix_item_hash[id_num] = vhi
vhi_list = self._virtual_helix_item_list
# reposition when first VH is added
if len(vhi_list) == 0:
view = self.window().path_graphics_view
p = view.scene_root_item.childrenBoundingRect().bottomLeft()
_p = _BOUNDING_RECT_PADDING
self.setPos(p.x() + _p*6 + styles.VIRTUALHELIXHANDLEITEM_RADIUS, p.y() + _p*3)
# self.setPos(p.x() + _VH_XOFFSET, p.y() + _p*3)
vhi_list.append(vhi)
ztf = not getBatch()
self._setVirtualHelixItemList(vhi_list, zoom_to_fit=ztf)
# end def
def partVirtualHelixResizedSlot(self, sender, id_num, virtual_helix):
"""Notifies the virtualhelix at coord to resize.
Args:
sender (obj): Model object that emitted the signal.
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
"""
vhi = self._virtual_helix_item_hash[id_num]
# print("resize:", id_num, virtual_helix.getSize())
vhi.resize()
# end def
def partVirtualHelixRemovingSlot(self, sender, id_num, virtual_helix, neighbors):
"""Summary
Args:
sender (obj): Model object that emitted the signal.
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
Returns:
TYPE: Description
"""
self.removeVirtualHelixItem(id_num)
# end def
def partVirtualHelixRemovedSlot(self, sender, id_num):
""" Step 2 of removing a VHI
"""
ztf = not getBatch()
self._setVirtualHelixItemList(self._virtual_helix_item_list,
zoom_to_fit=ztf)
# end def
def partVirtualHelixPropertyChangedSlot(self, sender, id_num, virtual_helix, keys, values):
"""Summary
Args:
sender (obj): Model object that emitted the signal.
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
keys (TYPE): Description
values (TYPE): Description
Returns:
TYPE: Description
"""
if self._model_part == sender:
vh_i = self._virtual_helix_item_hash[id_num]
vh_i.virtualHelixPropertyChangedSlot(keys, values)
# end def
def partVirtualHelicesSelectedSlot(self, sender, vh_set, is_adding):
"""is_adding (bool): adding (True) virtual helices to a selection
or removing (False)
Args:
sender (obj): Model object that emitted the signal.
vh_set (TYPE): Description
is_adding (TYPE): Description
"""
vhhi_group = self._viewroot.vhiHandleSelectionGroup()
vh_hash = self._virtual_helix_item_hash
doc = self._viewroot.document()
if is_adding:
# print("got the adding slot in path")
for id_num in vh_set:
vhi = vh_hash[id_num]
vhhi = vhi.handle()
vhhi.modelSelect(doc)
# end for
vhhi_group.processPendingToAddList()
else:
# print("got the removing slot in path")
for id_num in vh_set:
vhi = vh_hash[id_num]
vhhi = vhi.handle()
vhhi.modelDeselect(doc)
# end for
vhhi_group.processPendingToAddList()
# end def
### ACCESSORS ###
def removeVirtualHelixItem(self, id_num):
"""Summary
Args:
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
Returns:
TYPE: Description
"""
self.setActiveVirtualHelixItem(None)
vhi = self._virtual_helix_item_hash[id_num]
vhi.virtualHelixRemovedSlot()
self._virtual_helix_item_list.remove(vhi)
del self._virtual_helix_item_hash[id_num]
# end def
def window(self):
"""Summary
Returns:
TYPE: Description
"""
return self.parentItem().window()
# end def
### PRIVATE METHODS ###
def _setVirtualHelixItemList(self, new_list, zoom_to_fit=True):
"""
Give me a list of VirtualHelixItems and I'll parent them to myself if
necessary, position them in a column, adopt their handles, and
position them as well.
Args:
new_list (TYPE): Description
zoom_to_fit (bool, optional): Description
"""
y = 0 # How far down from the top the next PH should be
vhi_rect = None
vhi_h_rect = None
vhi_h_selection_group = self._viewroot.vhiHandleSelectionGroup()
for vhi in new_list:
_, _, _z = vhi.cnModel().getAxisPoint(0)
_z *= self._scale_2_Qt
vhi.setPos(_z, y)
if vhi_rect is None:
vhi_rect = vhi.boundingRect()
step = vhi_rect.height() + styles.PATH_HELIX_PADDING
# end if
# get the VirtualHelixHandleItem
vhi_h = vhi.handle()
do_reselect = False
if vhi_h.parentItem() == vhi_h_selection_group:
do_reselect = True
vhi_h.tempReparent() # so positioning works
if vhi_h_rect is None:
vhi_h_rect = vhi_h.boundingRect()
vhi_h_x = _z - _VH_XOFFSET
vhi_h_y = y + (vhi_rect.height() - vhi_h_rect.height()) / 2
vhi_h.setPos(vhi_h_x, vhi_h_y)
y += step
self.updateXoverItems(vhi)
if do_reselect:
vhi_h_selection_group.addToGroup(vhi_h)
# end for
# this need only adjust top and bottom edges of the bounding rectangle
self._vh_rect.setTop(-10)
self._vh_rect.setBottom(y)
self._virtual_helix_item_list = new_list
# now update Z dimension (X in Qt space in the Path view)
part = self.part()
self.partZDimensionsChangedSlot(part, *part.zBoundsIds(), ztf=zoom_to_fit)
# end def
def resetPen(self, color, width=0):
"""Summary
Args:
color (TYPE): Description
width (int, optional): Description
Returns:
TYPE: Description
"""
pen = getPenObj(color, width)
self.setPen(pen)
# end def
def resetBrush(self, color, alpha):
"""Summary
Args:
color (TYPE): Description
alpha (TYPE): Description
Returns:
TYPE: Description
"""
brush = getBrushObj(color, alpha=alpha)
self.setBrush(brush)
# end def
def _updateBoundingRect(self):
"""
Updates the bounding rect to the size of the childrenBoundingRect,
and refreshes the addBases and removeBases buttons accordingly.
Called by partZDimensionsChangedSlot and partPropertyChangedSlot
"""
self.setPen(getPenObj(self.modelColor(), 0))
self.resetBrush(styles.DEFAULT_BRUSH_COLOR, styles.DEFAULT_ALPHA)
# self.setRect(self.childrenBoundingRect())
_p = _BOUNDING_RECT_PADDING
temp_rect = self._vh_rect.adjusted(-_p/2, -_p, _p, -_p/2)
self.grab_corner.setTopLeft(temp_rect.topLeft())
self.setRect(temp_rect)
# end def
### PUBLIC METHODS ###
def setModifyState(self, bool):
"""Hides the modRect when modify state disabled.
Args:
bool (TYPE): Description
"""
self._can_show_mod_rect = bool
if bool is False:
self._mod_rect.hide()
def getOrderedVirtualHelixList(self):
"""Used for encoding.
"""
ret = []
for vhi in self._virtual_helix_item_list:
ret.append(vhi.coord())
return ret
# end def
def reorderHelices(self, id_nums, index_delta):
"""
Reorder helices by moving helices _pathHelixList[first:last]
by a distance delta in the list. Notify each PathHelix and
PathHelixHandle of its new location.
Args:
first (TYPE): Description
last (TYPE): Description
index_delta (TYPE): Description
"""
vhi_list = self._virtual_helix_item_list
helix_numbers = [vhi.idNum() for vhi in vhi_list]
first_index = helix_numbers.index(id_nums[0])
last_index = helix_numbers.index(id_nums[-1]) + 1
insert_idxs = [helix_numbers.index(id_num) for id_num in id_nums]
for id_num in id_nums:
helix_numbers.remove(id_num)
if index_delta < 0: # move group earlier in the list
new_index = max(0, index_delta + first_index) - len(id_nums)
else: # move group later in list
new_index = min(len(vhi_list), index_delta + last_index ) - len(id_nums)
new_list = helix_numbers[:new_index] + id_nums + helix_numbers[new_index:]
# call the method to move the items and store the list
self._model_part.setImportedVHelixOrder(new_list, check_batch=False)
# end def
def setActiveVirtualHelixItem(self, new_active_vhi):
"""Summary
Args:
new_active_vhi (TYPE): Description
Returns:
TYPE: Description
"""
current_vhi = self.active_virtual_helix_item
if new_active_vhi != current_vhi:
if current_vhi is not None:
current_vhi.deactivate()
if new_active_vhi is not None:
new_active_vhi.activate()
self.active_virtual_helix_item = new_active_vhi
# end def
def setPreXoverItemsVisible(self, virtual_helix_item):
"""
self._pre_xover_items list references prexovers parented to other
PathHelices such that only the activeHelix maintains the list of
visible prexovers
Args:
virtual_helix_item (cadnano.gui.views.pathview.virtualhelixitem.VirtualHelixItem): Description
"""
vhi = virtual_helix_item
if vhi is None:
return
# print("path.setPreXoverItemsVisible", virtual_helix_item.idNum())
part = self.part()
info = part.active_base_info
if info and virtual_helix_item is not None:
id_num, is_fwd, idx, to_vh_id_num = info
per_neighbor_hits, pairs = part.potentialCrossoverMap(id_num, idx)
self.prexover_manager.activateVirtualHelix(virtual_helix_item, idx, per_neighbor_hits)
else:
self.prexover_manager.reset()
# end def
def updateXoverItems(self, virtual_helix_item):
"""Summary
Args:
virtual_helix_item (cadnano.gui.views.pathview.virtualhelixitem.VirtualHelixItem): Description
Returns:
TYPE: Description
"""
for item in virtual_helix_item.childItems():
if isinstance(item, XoverNode3):
item.refreshXover()
# end def
def updateStatusBar(self, status_string):
"""Shows status_string in the MainWindow's status bar.
Args:
status_string (str): The text to be displayed.
"""
self.window().statusBar().showMessage(status_string)
### COORDINATE METHODS ###
def keyPanDeltaX(self):
"""How far a single press of the left or right arrow key should move
the scene (in scene space)
"""
vhs = self._virtual_helix_item_list
return vhs[0].keyPanDeltaX() if vhs else 5
# end def
def keyPanDeltaY(self):
"""How far an an arrow key should move the scene (in scene space)
for a single press
"""
vhs = self._virtual_helix_item_list
if not len(vhs) > 1:
return 5
dy = vhs[0].pos().y() - vhs[1].pos().y()
dummyRect = QRectF(0, 0, 1, dy)
return self.mapToScene(dummyRect).boundingRect().height()
# end def
### TOOL METHODS ###
def mousePressEvent(self, event):
"""Handler for user mouse press.
Args:
event (QGraphicsSceneMouseEvent): Contains item, scene, and screen
coordinates of the the event, and previous event.
"""
self._viewroot.clearSelectionsIfActiveTool()
return QGraphicsItem.mousePressEvent(self, event)
def hoverMoveEvent(self, event):
"""
Parses a mouseMoveEvent to extract strandSet and base index,
forwarding them to approproate tool method as necessary.
Args:
event (TYPE): Description
"""
active_tool = self._getActiveTool()
tool_method_name = active_tool.methodPrefix() + "HoverMove"
if hasattr(self, tool_method_name):
getattr(self, tool_method_name)(event.pos())
# end def
def pencilToolHoverMove(self, pt):
"""Pencil the strand is possible.
Args:
pt (QPointF): mouse cursor location of pencil tool hover.
"""
active_tool = self._getActiveTool()
if not active_tool.isFloatingXoverBegin():
temp_xover = active_tool.floatingXover()
temp_xover.updateFloatingFromPartItem(self, pt)
class OutlineNucleicAcidPartItem(CNOutlinerItem, AbstractPartItem):
FILTER_NAME = "part"
def __init__(self, model_part, parent):
super(OutlineNucleicAcidPartItem, self).__init__(model_part, parent)
self._controller = NucleicAcidPartItemController(self, model_part)
self._model_part = model_part
self.setExpanded(True)
# properties
temp_color = model_part.getColor()
# outlinerview takes responsibility of overriding default part color
if temp_color == "#000000":
index = len(model_part.document().children()) - 1
new_color = styles.PARTCOLORS[index % len(styles.PARTCOLORS)]
model_part.setProperty('color', new_color)
# item groups
self._root_items = {}
self._root_items['VHelixList'] = self.createRootPartItem('Virtual Helices', self)
self._root_items['OligoList'] = self.createRootPartItem('Oligos', self)
# self._root_items['Modifications'] = self._createRootItem('Modifications', self)
if model_part.is_active:
print("should be active")
self.activate()
# end def
### PRIVATE SUPPORT METHODS ###
def __repr__(self):
return "OutlineNucleicAcidPartItem %s" % self._cn_model.getProperty('name')
### PUBLIC SUPPORT METHODS ###
def rootItems(self):
return self._root_items
# end def
def part(self):
return self._cn_model
# end def
def itemType(self):
return ItemType.NUCLEICACID
# end def
def isModelSelected(self, document):
"""Make sure the item is selected in the model
TODO implement Part selection
Args:
document (Document): reference the the model :class:`Document`
"""
return False
# end def
### SLOTS ###
def partRemovedSlot(self, sender):
self._controller.disconnectSignals()
self._cn_model = None
self._controller = None
# end def
def partOligoAddedSlot(self, model_part, model_oligo):
m_o = model_oligo
m_o.oligoRemovedSignal.connect(self.partOligoRemovedSlot)
o_i = OutlineOligoItem(m_o, self._root_items['OligoList'])
self._oligo_item_hash[m_o] = o_i
# end def
def partOligoRemovedSlot(self, model_part, model_oligo):
m_o = model_oligo
m_o.oligoRemovedSignal.disconnect(self.partOligoRemovedSlot)
o_i = self._oligo_item_hash[m_o]
o_i.parent().removeChild(o_i)
del self._oligo_item_hash[m_o]
# end def
def partVirtualHelixAddedSlot(self, model_part, id_num, virtual_helix, neighbors):
tw = self.treeWidget()
tw.is_child_adding += 1
vh_i = OutlineVirtualHelixItem(virtual_helix, self._root_items['VHelixList'])
self._virtual_helix_item_hash[id_num] = vh_i
tw.is_child_adding -= 1
def partVirtualHelixRemovingSlot(self, model_part, id_num, virtual_helix, neigbors):
vh_i = self._virtual_helix_item_hash.get(id_num)
# in case a OutlineVirtualHelixItem Object is cleaned up before this happends
if vh_i is not None:
del self._virtual_helix_item_hash[id_num]
vh_i.parent().removeChild(vh_i)
# end def
def partPropertyChangedSlot(self, model_part, property_key, new_value):
if self._cn_model == model_part:
self.setValue(property_key, new_value)
if property_key == 'virtual_helix_order':
vhi_dict = self._virtual_helix_item_hash
document = self.treeWidget().document()
new_list = [vhi_dict[id_num] for id_num in new_value]
# 0. record what was selected
selected_list = [(x, x.isSelected()) for x in new_list]
root_vhi = self._root_items['VHelixList']
# 1. move the items
root_vhi.takeChildren()
for vhi in new_list:
root_vhi.addChild(vhi)
# 2. now reselect the previously selected.
# could also query the model
for vhi, was_selected in selected_list:
if was_selected:
vhi.setSelected(True)
# end def
def partSelectedChangedSlot(self, model_part, is_selected):
# print("part", is_selected)
self.setSelected(is_selected)
# end def
def partVirtualHelixPropertyChangedSlot(self, sender, id_num, virtual_helix, keys, values):
if self._cn_model == sender:
vh_i = self._virtual_helix_item_hash[id_num]
for key, val in zip(keys, values):
if key in CNOutlinerItem.PROPERTIES:
vh_i.setValue(key, val)
# end def
def partVirtualHelicesSelectedSlot(self, sender, vh_set, is_adding):
""" is_adding (bool): adding (True) virtual helices to a selection
or removing (False)
"""
vhi_hash = self._virtual_helix_item_hash
tw = self.treeWidget()
model = tw.model()
selection_model = tw.selectionModel()
top_idx = tw.indexOfTopLevelItem(self)
top_midx = model.index(top_idx, 0)
vh_list = self._root_items['VHelixList']
root_midx = model.index(self.indexOfChild(vh_list), 0, top_midx)
tw.selection_filter_disabled = True
if is_adding:
flag = QItemSelectionModel.Select
for id_num in vh_set:
vhi = vhi_hash.get(id_num)
# selecting a selected item will deselect it, so check
idx = vh_list.indexOfChild(vhi)
qmodel_idx = model.index(idx, 0, root_midx)
if not vhi.isSelected() and not selection_model.isSelected(qmodel_idx):
# print("++++++slot Sselect outlinerview", vh_set)
selection_model.select(qmodel_idx, flag)
else:
flag = QItemSelectionModel.Deselect
for id_num in vh_set:
vhi = vhi_hash.get(id_num)
# deselecting a deselected item will select it, so check
idx = vh_list.indexOfChild(vhi)
qmodel_idx = model.index(idx, 0, root_midx)
if vhi.isSelected() and selection_model.isSelected(qmodel_idx):
# print("-----slot deselect outlinerview", vh_set)
selection_model.select(qmodel_idx, flag)
tw.selection_filter_disabled = False
# end def
def partActiveVirtualHelixChangedSlot(self, part, id_num):
vhi = self._virtual_helix_item_hash.get(id_num, None)
# if vhi is not None:
self.setActiveVirtualHelixItem(vhi)
# end def
def partActiveChangedSlot(self, part, is_active):
if part == self._cn_model:
self.activate() if is_active else self.deactivate()
# end def
def setActiveVirtualHelixItem(self, new_active_vhi):
current_vhi = self.active_virtual_helix_item
if new_active_vhi != current_vhi:
if current_vhi is not None:
current_vhi.deactivate()
if new_active_vhi is not None:
new_active_vhi.activate()
self.active_virtual_helix_item = new_active_vhi
class SliceNucleicAcidPartItem(QAbstractPartItem):
"""Parent should be either a SliceRootItem, or an AssemblyItem.
Invariant: keys in _empty_helix_hash = range(_nrows) x range(_ncols)
where x is the cartesian product.
Attributes:
active_virtual_helix_item (cadnano.gui.views.sliceview.virtualhelixitem.SliceVirtualHelixItem): Description
grab_cornerBR (TYPE): bottom right bounding box handle
grab_cornerTL (TYPE): top left bounding box handle
griditem (TYPE): Description
outline (TYPE): Description
prexover_manager (TYPE): Description
scale_factor (TYPE): Description
"""
_RADIUS = styles.SLICE_HELIX_RADIUS
_BOUNDING_RECT_PADDING = 80
def __init__(self, model_part_instance, viewroot, parent=None):
"""Summary
Args:
model_part_instance (TYPE): Description
viewroot (TYPE): Description
parent (None, optional): Description
"""
super(SliceNucleicAcidPartItem, self).__init__(model_part_instance,
viewroot, parent)
self._getActiveTool = viewroot.manager.activeToolGetter
m_p = self._model_part
self._controller = NucleicAcidPartItemController(self, m_p)
self.scale_factor = self._RADIUS / m_p.radius()
self.active_virtual_helix_item = None
self.prexover_manager = PreXoverManager(self)
self.hide() # hide while until after attemptResize() to avoid flicker
self._rect = QRectF(0., 0., 1000., 1000.) # set this to a token value
self.boundRectToModel()
self.setPen(getNoPen())
self.setRect(self._rect)
self.setAcceptHoverEvents(True)
# Cache of VHs that were active as of last call to activeSliceChanged
# If None, all slices will be redrawn and the cache will be filled.
# Connect destructor. This is for removing a part from scenes.
# initialize the NucleicAcidPartItem with an empty set of old coords
self.setZValue(styles.ZPARTITEM)
self.outline = outline = QGraphicsRectItem(self)
o_rect = self.configureOutline(outline)
outline.setFlag(QGraphicsItem.ItemStacksBehindParent)
outline.setZValue(styles.ZDESELECTOR)
model_color = m_p.getColor()
self.outline.setPen(getPenObj(model_color, _DEFAULT_WIDTH))
GC_SIZE = 10
self.grab_cornerTL = GrabCornerItem(GC_SIZE, model_color, True, self)
self.grab_cornerTL.setTopLeft(o_rect.topLeft())
self.grab_cornerBR = GrabCornerItem(GC_SIZE, model_color, True, self)
self.grab_cornerBR.setBottomRight(o_rect.bottomRight())
self.griditem = GridItem(self, self._model_props['grid_type'])
self.griditem.setZValue(1)
self.grab_cornerTL.setZValue(2)
self.grab_cornerBR.setZValue(2)
# select upon creation
for part in m_p.document().children():
if part is m_p:
part.setSelected(True)
else:
part.setSelected(False)
self.show()
# end def
### SIGNALS ###
### SLOTS ###
def partActiveVirtualHelixChangedSlot(self, part, id_num):
"""Summary
Args:
part (TYPE): Description
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
Args:
TYPE: Description
"""
vhi = self._virtual_helix_item_hash.get(id_num, None)
self.setActiveVirtualHelixItem(vhi)
self.setPreXoverItemsVisible(vhi)
# end def
def partActiveBaseInfoSlot(self, part, info):
"""Summary
Args:
part (TYPE): Description
info (TYPE): Description
Args:
TYPE: Description
"""
pxom = self.prexover_manager
pxom.deactivateNeighbors()
if info and info is not None:
id_num, is_fwd, idx, _ = info
pxom.activateNeighbors(id_num, is_fwd, idx)
# end def
def partPropertyChangedSlot(self, model_part, property_key, new_value):
"""Summary
Args:
model_part (Part): The model part
property_key (TYPE): Description
new_value (TYPE): Description
Args:
TYPE: Description
"""
if self._model_part == model_part:
self._model_props[property_key] = new_value
if property_key == 'color':
self.outline.setPen(getPenObj(new_value, _DEFAULT_WIDTH))
for vhi in self._virtual_helix_item_hash.values():
vhi.updateAppearance()
self.grab_cornerTL.setPen(getPenObj(new_value, 0))
self.grab_cornerBR.setPen(getPenObj(new_value, 0))
elif property_key == 'is_visible':
if new_value:
self.show()
else:
self.hide()
elif property_key == 'grid_type':
self.griditem.setGridType(new_value)
# end def
def partRemovedSlot(self, sender):
"""docstring for partRemovedSlot
Args:
sender (obj): Model object that emitted the signal.
"""
self.parentItem().removePartItem(self)
scene = self.scene()
scene.removeItem(self)
self._model_part = None
self._mod_circ = None
self._controller.disconnectSignals()
self._controller = None
self.grab_cornerTL = None
self.grab_cornerBR = None
self.griditem = None
# end def
def partVirtualHelicesTranslatedSlot(self, sender, vh_set, left_overs,
do_deselect):
"""
left_overs are neighbors that need updating due to changes
Args:
sender (obj): Model object that emitted the signal.
vh_set (TYPE): Description
left_overs (TYPE): Description
do_deselect (TYPE): Description
"""
if do_deselect:
tool = self._getActiveTool()
if tool.methodPrefix() == "selectTool":
if tool.isSelectionActive():
# tool.deselectItems()
tool.modelClear()
# 1. move everything that moved
for id_num in vh_set:
vhi = self._virtual_helix_item_hash[id_num]
vhi.updatePosition()
# 2. now redraw what makes sense to be redrawn
for id_num in vh_set:
vhi = self._virtual_helix_item_hash[id_num]
self._refreshVirtualHelixItemGizmos(id_num, vhi)
for id_num in left_overs:
vhi = self._virtual_helix_item_hash[id_num]
self._refreshVirtualHelixItemGizmos(id_num, vhi)
# 0. clear PreXovers:
# self.prexover_manager.hideGroups()
# if self.active_virtual_helix_item is not None:
# self.active_virtual_helix_item.deactivate()
# self.active_virtual_helix_item = None
avhi = self.active_virtual_helix_item
self.setPreXoverItemsVisible(avhi)
self.enlargeRectToFit()
# end def
def _refreshVirtualHelixItemGizmos(self, id_num, vhi):
"""Update props and appearance of self & recent neighbors. Ultimately
triggered by a partVirtualHelicesTranslatedSignal.
Args:
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
vhi (cadnano.gui.views.sliceview.virtualhelixitem.SliceVirtualHelixItem): the item associated with id_num
"""
neighbors = vhi.cnModel().getProperty('neighbors')
neighbors = literal_eval(neighbors)
vhi.beginAddWedgeGizmos()
for nvh in neighbors:
nvhi = self._virtual_helix_item_hash.get(nvh, False)
if nvhi:
vhi.setWedgeGizmo(nvh, nvhi)
# end for
vhi.endAddWedgeGizmos()
# end def
def partVirtualHelixPropertyChangedSlot(self, sender, id_num,
virtual_helix, keys, values):
"""Summary
Args:
sender (obj): Model object that emitted the signal.
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
keys (tuple): keys that changed
values (tuple): new values for each key that changed
Args:
TYPE: Description
"""
if self._model_part == sender:
vh_i = self._virtual_helix_item_hash[id_num]
vh_i.virtualHelixPropertyChangedSlot(keys, values)
# end def
def partVirtualHelixAddedSlot(self, sender, id_num, virtual_helix,
neighbors):
"""Summary
Args:
sender (obj): Model object that emitted the signal.
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
neighbors (TYPE): Description
Args:
TYPE: Description
"""
vhi = SliceVirtualHelixItem(virtual_helix, self)
self._virtual_helix_item_hash[id_num] = vhi
self._refreshVirtualHelixItemGizmos(id_num, vhi)
for neighbor_id in neighbors:
nvhi = self._virtual_helix_item_hash.get(neighbor_id, False)
if nvhi:
self._refreshVirtualHelixItemGizmos(neighbor_id, nvhi)
self.enlargeRectToFit()
# end def
def partVirtualHelixRemovingSlot(self, sender, id_num, virtual_helix,
neighbors):
"""Summary
Args:
sender (obj): Model object that emitted the signal.
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
neighbors (TYPE): Description
Args:
TYPE: Description
"""
tm = self._viewroot.manager
tm.resetTools()
self.removeVirtualHelixItem(id_num)
for neighbor_id in neighbors:
nvhi = self._virtual_helix_item_hash[neighbor_id]
self._refreshVirtualHelixItemGizmos(neighbor_id, nvhi)
# end def
def partSelectedChangedSlot(self, model_part, is_selected):
"""Set this Z to front, and return other Zs to default.
Args:
model_part (Part): The model part
is_selected (TYPE): Description
"""
if is_selected:
# self._drag_handle.resetAppearance(_SELECTED_COLOR, _SELECTED_WIDTH, _SELECTED_ALPHA)
self.setZValue(styles.ZPARTITEM + 1)
else:
# self._drag_handle.resetAppearance(self.modelColor(), _DEFAULT_WIDTH, _DEFAULT_ALPHA)
self.setZValue(styles.ZPARTITEM)
# end def
def partVirtualHelicesSelectedSlot(self, sender, vh_set, is_adding):
"""is_adding (bool): adding (True) virtual helices to a selection
or removing (False)
Args:
sender (obj): Model object that emitted the signal.
vh_set (TYPE): Description
is_adding (TYPE): Description
"""
select_tool = self._viewroot.select_tool
if is_adding:
# print("got the adding slot in path")
select_tool.selection_set.update(vh_set)
select_tool.setPartItem(self)
select_tool.getSelectionBoundingRect()
else:
select_tool.deselectSet(vh_set)
# end def
def partDocumentSettingChangedSlot(self, part, key, value):
"""Summary
Args:
part (TYPE): Description
key (TYPE): Description
value (TYPE): Description
Args:
TYPE: Description
Raises:
ValueError: Description
"""
if key == 'grid':
print("grid change", value)
if value == 'lines and points':
self.griditem.setDrawlines(True)
elif value == 'points':
self.griditem.setDrawlines(False)
elif value == 'circles':
pass # self.griditem.setDrawlines(False)
else:
raise ValueError("unknown grid styling")
# end def
### ACCESSORS ###
def boundingRect(self):
"""Summary
Args:
TYPE: Description
"""
return self._rect
# end def
def modelColor(self):
"""Summary
Args:
TYPE: Description
"""
return self._model_props['color']
# end def
def window(self):
"""Summary
Args:
TYPE: Description
"""
return self.parentItem().window()
# end def
def setActiveVirtualHelixItem(self, new_active_vhi):
"""Summary
Args:
new_active_vhi (TYPE): Description
"""
current_vhi = self.active_virtual_helix_item
# print(current_vhi, new_active_vhi)
if new_active_vhi != current_vhi:
if current_vhi is not None:
current_vhi.deactivate()
if new_active_vhi is not None:
new_active_vhi.activate()
self.active_virtual_helix_item = new_active_vhi
# end def
def setPreXoverItemsVisible(self, virtual_helix_item):
"""
self._pre_xover_items list references prexovers parented to other
PathHelices such that only the activeHelix maintains the list of
visible prexovers
Args:
virtual_helix_item (cadnano.gui.views.sliceview.virtualhelixitem.SliceVirtualHelixItem): Description
"""
vhi = virtual_helix_item
pxom = self.prexover_manager
if vhi is None:
pxom.hideGroups()
return
# print("slice.setPreXoverItemsVisible", virtual_helix_item.idNum())
part = self.part()
info = part.active_base_info
if info:
id_num, is_fwd, idx, to_vh_id_num = info
per_neighbor_hits, pairs = part.potentialCrossoverMap(id_num, idx)
pxom.activateVirtualHelix(virtual_helix_item, idx,
per_neighbor_hits, pairs)
# end def
def removeVirtualHelixItem(self, id_num):
"""Summary
Args:
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
Args:
TYPE: Description
"""
vhi = self._virtual_helix_item_hash[id_num]
if vhi == self.active_virtual_helix_item:
self.active_virtual_helix_item = None
vhi.virtualHelixRemovedSlot()
del self._virtual_helix_item_hash[id_num]
# end def
def reconfigureRect(self,
top_left,
bottom_right,
padding=80,
do_grid=False):
"""Summary
Args:
top_left (TYPE): Description
bottom_right (TYPE): Description
Returns:
tuple: tuple of point tuples representing the top_left and
bottom_right as reconfigured with padding
"""
rect = self._rect
ptTL = QPointF(
*self.padTL(padding, *top_left)) if top_left else rect.topLeft()
ptBR = QPointF(*self.padBR(
padding, *bottom_right)) if bottom_right else rect.bottomRight()
self._rect = new_rect = QRectF(ptTL, ptBR)
self.setRect(new_rect)
self.configureOutline(self.outline)
if do_grid:
self.griditem.updateGrid()
return (ptTL.x(), ptTL.y()), (ptBR.x(), ptBR.y())
# end def
def padTL(self, padding, xTL, yTL):
return xTL + padding, yTL + padding
# end def
def padBR(self, padding, xBR, yBR):
return xBR - padding, yBR - padding
# end def
def enlargeRectToFit(self):
"""Enlarges Part Rectangle to fit the model bounds. Call this
when adding a SliceVirtualHelixItem.
"""
p = self._BOUNDING_RECT_PADDING
xTL, yTL, xBR, yBR = self.getModelBounds()
xTL = xTL - p
yTL = yTL - p
xBR = xBR + p
yBR = yBR + p
tl, br = self.reconfigureRect((xTL, yTL), (xBR, yBR), do_grid=True)
self.grab_cornerTL.alignPos(*tl)
self.grab_cornerBR.alignPos(*br)
# end def
### PRIVATE SUPPORT METHODS ###
def configureOutline(self, outline):
"""Adjusts `outline` size with default padding.
Args:
outline (TYPE): Description
Returns:
o_rect (QRect): `outline` rect adjusted by _BOUNDING_RECT_PADDING
"""
_p = self._BOUNDING_RECT_PADDING
o_rect = self.rect().adjusted(-_p, -_p, _p, _p)
outline.setRect(o_rect)
return o_rect
# end def
def boundRectToModel(self):
"""update the boundaries to what's in the model with a minimum
size
"""
xTL, yTL, xBR, yBR = self.getModelBounds()
self._rect = QRectF(QPointF(xTL, yTL), QPointF(xBR, yBR))
# end def
def getModelBounds(self):
"""Bounds in form of Qt scaled from model
Args:
Tuple (top_left, bottom_right)
"""
xLL, yLL, xUR, yUR = self.part().boundDimensions(self.scale_factor)
return xLL, -yUR, xUR, -yLL
# end def
def bounds(self):
"""x_low, x_high, y_low, y_high
"""
rect = self._rect
return (rect.left(), rect.right(), rect.bottom(), rect.top())
### PUBLIC SUPPORT METHODS ###
def setModifyState(self, bool_val):
"""Hides the mod_rect when modify state disabled.
Args:
bool_val (TYPE): what the modifystate should be set to.
"""
self._can_show_mod_circ = bool_val
if bool_val is False:
self._mod_circ.hide()
# end def
def updateStatusBar(self, status_str):
"""Shows status_str in the MainWindow's status bar.
Args:
status_str (TYPE): Description
"""
pass # disabled for now.
# self.window().statusBar().showMessage(status_str, timeout)
# end def
def zoomToFit(self):
"""Summary
Args:
TYPE: Description
"""
thescene = self.scene()
theview = thescene.views()[0]
theview.zoomToFit()
# end def
### EVENT HANDLERS ###
def mousePressEvent(self, event):
"""Handler for user mouse press.
Args:
event (QGraphicsSceneMouseEvent): Contains item, scene, and screen
coordinates of the the event, and previous event.
Args:
TYPE: Description
"""
if event.button() == Qt.RightButton:
return
part = self._model_part
part.setSelected(True)
if self.isMovable():
return QGraphicsItem.mousePressEvent(self, event)
tool = self._getActiveTool()
if tool.FILTER_NAME not in part.document().filter_set:
return
tool_method_name = tool.methodPrefix() + "MousePress"
if hasattr(self, tool_method_name):
getattr(self, tool_method_name)(tool, event)
else:
event.setAccepted(False)
QGraphicsItem.mousePressEvent(self, event)
# end def
def hoverMoveEvent(self, event):
"""Summary
Args:
event (TYPE): Description
Args:
TYPE: Description
"""
tool = self._getActiveTool()
tool_method_name = tool.methodPrefix() + "HoverMove"
if hasattr(self, tool_method_name):
getattr(self, tool_method_name)(tool, event)
else:
event.setAccepted(False)
QGraphicsItem.hoverMoveEvent(self, event)
# end def
def hoverLeaveEvent(self, event):
tool = self._getActiveTool()
tool.hideLineItem()
def getModelPos(self, pos):
"""Y-axis is inverted in Qt +y === DOWN
Args:
pos (TYPE): Description
"""
sf = self.scale_factor
x, y = pos.x() / sf, -1.0 * pos.y() / sf
return x, y
# end def
def getVirtualHelixItem(self, id_num):
"""Summary
Args:
id_num (int): VirtualHelix ID number. See `NucleicAcidPart` for description and related methods.
Returns:
TYPE: Description
"""
return self._virtual_helix_item_hash.get(id_num)
# end def
def createToolMousePress(self, tool, event, alt_event=None):
"""Summary
Args:
tool (TYPE): Description
event (TYPE): Description
alt_event (None, optional): Description
Returns:
TYPE: Description
"""
# 1. get point in model coordinates:
part = self._model_part
if alt_event is None:
# print()
pt = tool.eventToPosition(self, event)
# print("reg_event", pt)
else:
# pt = alt_event.scenePos()
# pt = self.mapFromScene(pt)
pt = alt_event.pos()
# print("alt_event", pt)
if pt is None:
tool.deactivate()
return QGraphicsItem.mousePressEvent(self, event)
part_pt_tuple = self.getModelPos(pt)
mod = Qt.MetaModifier
if not (event.modifiers() & mod):
pass
# don't create a new VirtualHelix if the click overlaps with existing
# VirtualHelix
current_id_num = tool.idNum()
check = part.isVirtualHelixNearPoint(part_pt_tuple, current_id_num)
# print("current_id_num", current_id_num, check)
# print(part_pt_tuple)
tool.setPartItem(self)
if check:
id_num = part.getVirtualHelixAtPoint(part_pt_tuple)
# print("got a check", id_num)
if id_num is not None:
# print("restart", id_num)
vhi = self._virtual_helix_item_hash[id_num]
tool.setVirtualHelixItem(vhi)
tool.startCreation()
else:
# print("creating", part_pt_tuple)
part.createVirtualHelix(*part_pt_tuple)
id_num = part.getVirtualHelixAtPoint(part_pt_tuple)
vhi = self._virtual_helix_item_hash[id_num]
tool.setVirtualHelixItem(vhi)
tool.startCreation()
# end def
def createToolHoverMove(self, tool, event):
"""Summary
Args:
tool (TYPE): Description
event (TYPE): Description
Returns:
TYPE: Description
"""
tool.hoverMoveEvent(self, event)
return QGraphicsItem.hoverMoveEvent(self, event)
# end def
def selectToolMousePress(self, tool, event):
"""
Args:
tool (TYPE): Description
event (TYPE): Description
"""
tool.setPartItem(self)
pt = tool.eventToPosition(self, event)
part_pt_tuple = self.getModelPos(pt)
part = self._model_part
if part.isVirtualHelixNearPoint(part_pt_tuple):
id_num = part.getVirtualHelixAtPoint(part_pt_tuple)
if id_num is not None:
print(id_num)
loc = part.getCoordinate(id_num, 0)
print("VirtualHelix #{} at ({:.3f}, {:.3f})".format(
id_num, loc[0], loc[1]))
else:
# tool.deselectItems()
tool.modelClear()
else:
# tool.deselectItems()
tool.modelClear()
return QGraphicsItem.mousePressEvent(self, event)