8000 FIX: handle empty legend in qt figureoption by tacaswell · Pull Request #4601 · matplotlib/matplotlib · GitHub
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FIX: handle empty legend in qt figureoption #4601

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Merged
merged 1 commit into from
Jul 8, 2015
Merged

FIX: handle empty legend in qt figureoption #4601

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13 changes: 8 additions & 5 deletions lib/matplotlib/backends/qt_editor/figureoptions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -141,14 +141,17 @@ def apply_callback(data):
line.set_markeredgecolor(markeredgecolor)

# re-generate legend, if checkbox is checked

if generate_legend:
draggable = None
ncol = None
if axes.legend_ is not None:
old_legend = axes.get_legend()
new_legend = axes.legend(ncol=old_legend._ncol)
new_legend.draggable(old_legend._draggable is not None)
else:
new_legend = axes.legend()
new_legend.draggable(True)
draggable = old_legend._draggable is not None
ncol = old_legend._ncol
new_legend = axes.legend(ncol=ncol)
if new_legend:
new_legend.draggable(draggable)

# Redraw
figure = axes.get_figure()
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