def _draw_nucleotide_body(nucleotide, center, subplot: plt_axes.Subplot,
radius=10.0):
nucleotide_color, nucleotide_base_class = _get_nucleotide_color(nucleotide)
nucleotide_name = nucleotide.name
if len(nucleotide_name) > 10:
nucleotide_name = nucleotide_name.replace("_", "_\n")
nucleotide_body = patches.Circle(
center, radius=radius, color=nucleotide_color)
text_object = subplot.text(
center[0], center[1], nucleotide_name, va="center", ha="center")
text_object.draw(subplot.figure.canvas.renderer)
subplot.add_patch(nucleotide_body)
nucleotide_body.add_callback(
partial(_nucleotide_name_callback, text_object=text_object))
nucleotide_body.set_label(":".join([nucleotide_base_class.__name__,
nucleotide.name]))
nucleotide_body.set_picker(True)
return nucleotide_body
def _add_update_events(subplot: plt_axes.Subplot, dna_helix_graph: nx.DiGraph,
nucleotide_plots: Dict[Nucleotide, _NUCLEOTIDE_PLOT]):
subplot.figure.canvas.mpl_connect(
'draw_event', lambda x: subplot.pchanged())
subplot.figure.canvas.mpl_connect(
'resize_event', lambda x: subplot.pchanged())
text_initial_position = list(nucleotide_plots.values())[0].body.center
text_object = subplot.text(
text_initial_position[0], text_initial_position[1], "",
ha="right", va="top", ma="left",
bbox=dict(facecolor='white', edgecolor='blue', pad=5.0))
text_object.set_visible(False)
subplot.figure.canvas.mpl_connect(
'button_press_event',
partial(_remove_nucleotide_info_text, text_object=text_object))
subplot.figure.canvas.mpl_connect(
'pick_event',
partial(_draw_nucleotide_info, dna_helix_graph=dna_helix_graph,
text_object=text_object, subplot=subplot))