def new_plot(self, undolist=None):
" Returns a new Plot. "
if undolist is None:
undolist = self.journal
new_plot = new_lineplot2d()
new_plot.key = pdict.unique_key(self.plots, "new lineplot2d")
self.add_plot(new_plot)
ui = UndoInfo(self.remove_plot, new_plot).describe("New Plot")
undolist.append(ui)
self.sig_emit("notify::plots")
return new_plot
def _cb_new_plot(self,widget):
pj = self._check_project()
plot = new_lineplot2d(key='empty plot')
pj.add_plots([plot])
