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[FIX] scatterplot: limit number of points displayed in tooltip #2980

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merged 2 commits into from
Mar 30, 2018
Merged

[FIX] scatterplot: limit number of points displayed in tooltip #2980

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4b00f2b
scatterplot: limit number of points displayed in tooltip
astaric Mar 28, 2018
ca678b5
scatterplot: reduce MAX_POINTS_IN_TOOLTIP
astaric Mar 30, 2018
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12 changes: 11 additions & 1 deletion Orange/widgets/visualize/owscatterplotgraph.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,8 @@

SELECTION_WIDTH = 5
MAX = 11 # maximum number of colors or shapes (including Other)
MAX_POINTS_IN_TOOLTIP = 5


class PaletteItemSample(ItemSample):
"""A color strip to insert into legends for discretized continuous values"""
Expand Down Expand Up @@ -1227,8 +1229,16 @@ def point_data(p):

act_pos = self.scatterplot_item.mapFromScene(event.scenePos())
points = self.scatterplot_item.pointsAt(act_pos)

if len(points):
text = "<hr/>".join(point_data(point) for point in points)
if len(points) > MAX_POINTS_IN_TOOLTIP:
text = "{} instances<hr/>{}<hr/>...".format(
len(points),
"<hr/>".join(point_data(point) for point in points[:MAX_POINTS_IN_TOOLTIP])
)
else:
text = "<hr/>".join(point_data(point) for point in points)

QToolTip.showText(event.screenPos(), text, widget=self.plot_widget)
return True
else:
Expand Down