def _createCrossoverSite_Marker_if_needed(self):
if self._crossoverSite_marker is None:
self._crossoverSite_marker = CrossoverSite_Marker(self)
def _createCrossoverSite_Marker_if_needed(self):
if self._crossoverSite_marker is None:
self._crossoverSite_marker = CrossoverSite_Marker(self)
class MakeCrossovers_Graphicsmode(BuildDna_GraphicsMode,
ListWidgetItems_GraphicsMode_Mixin):
DEBUG_DRAW_PLANE_NORMALS = False
DEBUG_DRAW_AVERAGE_CENTER_PAIRS_OF_POTENTIAL_CROSSOVERS = False
DEBUG_DRAW_ALL_POTENTIAL_CROSSOVER_SITES = False
_crossoverSite_marker = None
_handleDrawingRequested = True
#@see: self.leftADown where this flag is set.
# It is then used in self.leftADrag.
_should_update_crossoverSites_during_leftDrag = False
#Used to log a message in the command.propMgr.See self.leftDrag, self.leftUp
#This flag ensures that its done only once during left drag. Needs cleanup.
#this attr was introduced just before v1.1.0 release--Ninad 2008-06-03
_leftDrag_logMessage_emitted = False
def __init__(self, glpane):
_superclass.__init__(self, glpane)
self._handleDrawingRequested = True
self._createCrossoverSite_Marker_if_needed()
def _createCrossoverSite_Marker_if_needed(self):
if self._crossoverSite_marker is None:
self._crossoverSite_marker = CrossoverSite_Marker(self)
def Enter_GraphicsMode(self):
_superclass.Enter_GraphicsMode(self)
self._createCrossoverSite_Marker_if_needed()
self._crossoverSite_marker.update()
def clearDictionaries(self):
self._crossoverSite_marker.clearDictionaries()
def get_final_crossover_pairs(self):
return self._crossoverSite_marker.get_final_crossover_pairs()
def updateExprsHandleDict(self):
self._crossoverSite_marker.updateExprsHandleDict()
def update_after_crossover_creation(self, crossoverPairs):
self._crossoverSite_marker.update_after_crossover_creation(
crossoverPairs)
def updateCrossoverSites(self):
"""
Delegates the responsibility of updating all crossover sites in the 3D
wokspace to the self._crossoverSite_marker.
"""
self._crossoverSite_marker.update()
def update_cursor_for_no_MB(self):
"""
Update the cursor for no mouse button pressed
"""
_superclass.update_cursor_for_no_MB(self)
ListWidgetItems_GraphicsMode_Mixin.update_cursor_for_no_MB(self)
def keyPressEvent(self, event):
"""
Handles keyPressEvent. Overrides superclass method. If delete key
is pressed while the focus is inside the PM list widget, it deletes
that list widget item.
@see: ListWidgetItems_PM_Mixing.listWidgetHasFocus()
@TODO: Calls self.command.propMgr object which is better to avoid...
"""
if event.key() == Qt.Key_Delete:
if self.command.propMgr and self.command.propMgr.listWidgetHasFocus(
):
self.command.propMgr.removeListWidgetItems()
return
_superclass.keyPressEvent(self, event)
def leftADown(self, objectUnderMouse, event):
"""
Overrides superclass method. This method also sets flag used in
self.leftDrag that decide whether to compute the crossover sites
during the left drag.Example: If user is dragging a dnaSegment that is
is not included in the crossover site search, it skips the computation
during the left drag. Thus providing a minor optimization.
"""
_superclass.leftADown(self, objectUnderMouse, event)
if not env.prefs[
makeCrossoversCommand_crossoverSearch_bet_given_segments_only_prefs_key]:
self._should_update_crossoverSites_during_leftDrag = True
elif self._movable_dnaSegment_for_leftDrag and \
self._movable_dnaSegment_for_leftDrag in self.command.getSegmentList():
self._should_update_crossoverSites_during_leftDrag = True
else:
self._should_update_crossoverSites_during_leftDrag = False
def chunkLeftUp(self, a_chunk, event):
"""
Overrides superclass method. If add or remove segmets tool is active,
upon leftUp , when this method gets called, it modifies the list
of segments being resized by self.command.
@see: self.update_cursor_for_no_MB()
@see: self.end_selection_from_GLPane()
"""
ListWidgetItems_GraphicsMode_Mixin.chunkLeftUp(self, a_chunk, event)
_superclass.chunkLeftUp(self, a_chunk, event)
def leftUp(self, event):
_superclass.leftUp(self, event)
self._crossoverSite_marker.updateHandles()
if self._leftDrag_logMessage_emitted:
self.command.logMessage('LEFT_DRAG_FINISED')
if not self._handleDrawingRequested:
self._handleDrawingRequested = True
self._leftDrag_logMessage_emitted = False
def editObjectOnSingleClick(self):
"""
Overrides superclass method. If this method returns True,
when you left click on a DnaSegment or a DnaStrand, it becomes editable
(i.e. program enters the edit command of that particular object if
that object is editable). If this returns False, program simply stays in
the current command.
@see: BuildDna_GraphicsMode.editObjectOnSingleClick()
"""
return False
def leftDrag(self, event):
"""
Overrides superclass method. Also updates the potential crossover sites.
"""
_superclass.leftDrag(self, event)
self._handleDrawingRequested = False
if self._should_update_crossoverSites_during_leftDrag:
self._crossoverSite_marker.partialUpdate()
if not self._leftDrag_logMessage_emitted:
self._leftDrag_logMessage_emitted = True
self.command.logMessage('LEFT_DRAG_STARTED')
def end_selection_from_GLPane(self):
"""
Overrides superclass method. In addition to selecting or deselecting
the chunk, if a tool that adds Dna segments to the segment list in
the property manager is active, this method also adds
the selected dna segments to that list. Example, if user selects
'Add Dna segments' tool and does a lasso selection , then this also
method adds the selected segments to the list. Opposite behavior if
the 'remove segments from segment list too, is active)
"""
_superclass.end_selection_from_GLPane(self)
ListWidgetItems_GraphicsMode_Mixin.end_selection_from_GLPane(self)
def Draw_other(self):
_superclass.Draw_other(self)
if self._handleDrawingRequested:
self._drawHandles()
def _drawHandles(self):
if self._crossoverSite_marker and self._crossoverSite_marker.handleDict:
for handle in self._crossoverSite_marker.handleDict.values():
if handle is not None: #if handle is None its a bug!
handle.draw()
def _drawSpecialIndicators(self):
final_crossover_atoms_dict = self._crossoverSite_marker.get_final_crossover_atoms_dict(
)
for atm in final_crossover_atoms_dict.values():
sphere_radius = max(1.20 * atm.drawing_radius(), SPHERE_RADIUS)
drawsphere(darkgreen,
atm.posn(),
sphere_radius,
SPHERE_DRAWLEVEL,
opacity=SPHERE_OPACITY)
if self.DEBUG_DRAW_ALL_POTENTIAL_CROSSOVER_SITES:
atom_dict = self._crossoverSite_marker.get_base_orientation_indicator_dict(
)
for atm in atom_dict.values():
drawsphere(darkred,
atm.posn(),
1.5,
SPHERE_DRAWLEVEL,
opacity=SPHERE_OPACITY)
if self.DEBUG_DRAW_PLANE_NORMALS:
self._DEBUG_drawPlaneNormals()
if self.DEBUG_DRAW_AVERAGE_CENTER_PAIRS_OF_POTENTIAL_CROSSOVERS:
self._DEBUG_draw_avg_centerpairs_of_potential_crossovers()
def _drawTags(self):
"""
Overrides _superClass._drawTags()
for self._tagPositions.
@see: self.drawTag()
@see: GraphicsMode._drawTags()
@see: class PM_SelectionWidget
"""
if self._tagPositions:
for point in self._tagPositions:
drawsphere(banana,
point,
SPHERE_RADIUS_FOR_TAGS,
SPHERE_DRAWLEVEL,
opacity=SPHERE_OPACITY)
def _DEBUG_drawPlaneNormals(self):
ends = self._crossoverSite_marker.get_plane_normals_ends_for_drawing()
for end1, end2 in ends:
drawcylinder(banana,
end1,
end2,
CYL_RADIUS,
capped=True,
opacity=CYL_OPACITY)
def _DEBUG_draw_avg_centerpairs_of_potential_crossovers(self):
pairs = self._crossoverSite_marker.get_avg_center_pairs_of_potential_crossovers
for pair in pairs:
drawline(yellow, pair[0], pair[1], width=2)
class MakeCrossovers_Graphicsmode(BuildDna_GraphicsMode,
ListWidgetItems_GraphicsMode_Mixin):
DEBUG_DRAW_PLANE_NORMALS = False
DEBUG_DRAW_AVERAGE_CENTER_PAIRS_OF_POTENTIAL_CROSSOVERS = False
DEBUG_DRAW_ALL_POTENTIAL_CROSSOVER_SITES = False
_crossoverSite_marker = None
_handleDrawingRequested = True
#@see: self.leftADown where this flag is set.
# It is then used in self.leftADrag.
_should_update_crossoverSites_during_leftDrag = False
#Used to log a message in the command.propMgr.See self.leftDrag, self.leftUp
#This flag ensures that its done only once during left drag. Needs cleanup.
#this attr was introduced just before v1.1.0 release--Ninad 2008-06-03
_leftDrag_logMessage_emitted = False
def __init__(self, glpane):
_superclass.__init__(self, glpane)
self._handleDrawingRequested = True
self._createCrossoverSite_Marker_if_needed()
def _createCrossoverSite_Marker_if_needed(self):
if self._crossoverSite_marker is None:
self._crossoverSite_marker = CrossoverSite_Marker(self)
def Enter_GraphicsMode(self):
_superclass.Enter_GraphicsMode(self)
self._createCrossoverSite_Marker_if_needed()
self._crossoverSite_marker.update()
def clearDictionaries(self):
self._crossoverSite_marker.clearDictionaries()
def get_final_crossover_pairs(self):
return self._crossoverSite_marker.get_final_crossover_pairs()
def updateExprsHandleDict(self):
self._crossoverSite_marker.updateExprsHandleDict()
def update_after_crossover_creation(self, crossoverPairs):
self._crossoverSite_marker.update_after_crossover_creation(crossoverPairs)
def updateCrossoverSites(self):
"""
Delegates the responsibility of updating all crossover sites in the 3D
wokspace to the self._crossoverSite_marker.
"""
self._crossoverSite_marker.update()
def update_cursor_for_no_MB(self):
"""
Update the cursor for no mouse button pressed
"""
_superclass.update_cursor_for_no_MB(self)
ListWidgetItems_GraphicsMode_Mixin.update_cursor_for_no_MB(self)
def keyPressEvent(self, event):
"""
Handles keyPressEvent. Overrides superclass method. If delete key
is pressed while the focus is inside the PM list widget, it deletes
that list widget item.
@see: ListWidgetItems_PM_Mixing.listWidgetHasFocus()
@TODO: Calls self.command.propMgr object which is better to avoid...
"""
if event.key() == Qt.Key_Delete:
if self.command.propMgr and self.command.propMgr.listWidgetHasFocus():
self.command.propMgr.removeListWidgetItems()
return
_superclass.keyPressEvent(self, event)
def leftADown(self, objectUnderMouse, event):
"""
Overrides superclass method. This method also sets flag used in
self.leftDrag that decide whether to compute the crossover sites
during the left drag.Example: If user is dragging a dnaSegment that is
is not included in the crossover site search, it skips the computation
during the left drag. Thus providing a minor optimization.
"""
_superclass.leftADown(self, objectUnderMouse, event)
if not env.prefs[makeCrossoversCommand_crossoverSearch_bet_given_segments_only_prefs_key]:
self._should_update_crossoverSites_during_leftDrag = True
elif self._movable_dnaSegment_for_leftDrag and \
self._movable_dnaSegment_for_leftDrag in self.command.getSegmentList():
self._should_update_crossoverSites_during_leftDrag = True
else:
self._should_update_crossoverSites_during_leftDrag = False
def chunkLeftUp(self, a_chunk, event):
"""
Overrides superclass method. If add or remove segmets tool is active,
upon leftUp , when this method gets called, it modifies the list
of segments being resized by self.command.
@see: self.update_cursor_for_no_MB()
@see: self.end_selection_from_GLPane()
"""
ListWidgetItems_GraphicsMode_Mixin.chunkLeftUp(self, a_chunk, event)
_superclass.chunkLeftUp(self, a_chunk, event)
def leftUp(self, event):
_superclass.leftUp(self, event)
self._crossoverSite_marker.updateHandles()
if self._leftDrag_logMessage_emitted:
self.command.logMessage('LEFT_DRAG_FINISED')
if not self._handleDrawingRequested:
self._handleDrawingRequested = True
self._leftDrag_logMessage_emitted = False
def editObjectOnSingleClick(self):
"""
Overrides superclass method. If this method returns True,
when you left click on a DnaSegment or a DnaStrand, it becomes editable
(i.e. program enters the edit command of that particular object if
that object is editable). If this returns False, program simply stays in
the current command.
@see: BuildDna_GraphicsMode.editObjectOnSingleClick()
"""
return False
def leftDrag(self, event):
"""
Overrides superclass method. Also updates the potential crossover sites.
"""
_superclass.leftDrag(self, event)
self._handleDrawingRequested = False
if self._should_update_crossoverSites_during_leftDrag:
self._crossoverSite_marker.partialUpdate()
if not self._leftDrag_logMessage_emitted:
self._leftDrag_logMessage_emitted = True
self.command.logMessage('LEFT_DRAG_STARTED')
def end_selection_from_GLPane(self):
"""
Overrides superclass method. In addition to selecting or deselecting
the chunk, if a tool that adds Dna segments to the segment list in
the property manager is active, this method also adds
the selected dna segments to that list. Example, if user selects
'Add Dna segments' tool and does a lasso selection , then this also
method adds the selected segments to the list. Opposite behavior if
the 'remove segments from segment list too, is active)
"""
_superclass.end_selection_from_GLPane(self)
ListWidgetItems_GraphicsMode_Mixin.end_selection_from_GLPane(self)
def Draw_other(self):
_superclass.Draw_other(self)
if self._handleDrawingRequested:
self._drawHandles()
def _drawHandles(self):
if self._crossoverSite_marker and self._crossoverSite_marker.handleDict:
for handle in self._crossoverSite_marker.handleDict.values():
if handle is not None: #if handle is None its a bug!
handle.draw()
def _drawSpecialIndicators(self):
final_crossover_atoms_dict = self._crossoverSite_marker.get_final_crossover_atoms_dict()
for atm in final_crossover_atoms_dict.values():
sphere_radius = max(1.20*atm.drawing_radius(),
SPHERE_RADIUS)
drawsphere(darkgreen,
atm.posn(),
sphere_radius,
SPHERE_DRAWLEVEL,
opacity = SPHERE_OPACITY)
if self.DEBUG_DRAW_ALL_POTENTIAL_CROSSOVER_SITES:
atom_dict = self._crossoverSite_marker.get_base_orientation_indicator_dict()
for atm in atom_dict.values():
drawsphere(darkred,
atm.posn(),
1.5,
SPHERE_DRAWLEVEL,
opacity = SPHERE_OPACITY)
if self.DEBUG_DRAW_PLANE_NORMALS:
self._DEBUG_drawPlaneNormals()
if self.DEBUG_DRAW_AVERAGE_CENTER_PAIRS_OF_POTENTIAL_CROSSOVERS:
self._DEBUG_draw_avg_centerpairs_of_potential_crossovers()
def _drawTags(self):
"""
Overrides _superClass._drawTags()
for self._tagPositions.
@see: self.drawTag()
@see: GraphicsMode._drawTags()
@see: class PM_SelectionWidget
"""
if self._tagPositions:
for point in self._tagPositions:
drawsphere(banana,
point,
SPHERE_RADIUS_FOR_TAGS ,
SPHERE_DRAWLEVEL,
opacity = SPHERE_OPACITY)
def _DEBUG_drawPlaneNormals(self):
ends = self._crossoverSite_marker.get_plane_normals_ends_for_drawing()
for end1, end2 in ends:
drawcylinder(banana,
end1,
end2,
CYL_RADIUS,
capped = True,
opacity = CYL_OPACITY )
def _DEBUG_draw_avg_centerpairs_of_potential_crossovers(self):
pairs = self._crossoverSite_marker.get_avg_center_pairs_of_potential_crossovers
for pair in pairs:
drawline(yellow, pair[0], pair[1], width = 2)
