def populate_from_menu(menu):
for act in menu.actions():
if hasattr(act, 'short'):
shortcut_text = act.short.key().toString()
else:
shortcut_text = ''
text = '{:s}\t{:s}: {:s}'.format(
shortcut_text,
menu.title().replace('&',''),
act.text().replace('&',''),
)
self.help_item_model.appendRow(QtGui.QStandardItem(text))
def add_dataitem(self, series, name=None, metadata=None):
"""
Add dataitem to model
Parameters
----------
series : pandas.Series
name : object | str | None
"""
row_idx = min(len(self.items), len(COLORS)) if self.items else 0
if not isinstance(series, pd.Series):
logger.error('Cannot add item of type {}: {}'
''.format(type(series),
str(series)[:100]))
return
if name is None:
if series.name is None:
name = '{} - {}'.format(COLORS[row_idx], len(series))
logger.warn('Found no name for series, using color and '
'number of values: "{}"'.format(name))
else:
series.name = str(series.name)
name = series.name
name = str(name)
if series.empty:
logger.error('series {} is empty, cannot add to view'.format(name))
return
# Set xaxis_unit variable if this is the first data ever added
if self.total_items_ever_added == 0:
if isinstance(series.index, pd.DatetimeIndex):
self.xaxis_unit = XAXIS_TIME
else:
self.xaxis_unit = XAXIS_NUMBER
if isinstance(series.index, pd.DatetimeIndex):
if not self.xaxis_unit_is_time():
logger.warning("Cannot add series with datetimeindex when "
"x-axis type is not datetime")
return
elif self.xaxis_unit_is_time():
logger.warning("Cannot add series without datetimeindex when "
"x-axis type is datetime")
return
# NOTE: Item color examples: http://ynonperek.com/q.t-mvc-customize-items
item_color = QtGui.QColor(COLORS[row_idx])
item_color.setAlphaF(DATA_ALPHA)
item = DataItem(series, name, metadata=metadata)
item.setCheckState(Qt.Checked)
item.setCheckable(True)
self.items.append(item)
self.total_items_ever_added += 1
colorpatch_item = QtGui.QStandardItem('')
colorpatch_item.setData(QtGui.QBrush(item_color),
Qt.BackgroundColorRole)
self.item_model.setItem(row_idx, 0, colorpatch_item)
self.item_model.setItem(row_idx, 1, item)
self.sig_item_added.emit(item)
