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[WIP] Stop supporting ipywidgets 4 #210

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[WIP] Stop supporting ipywidgets 4 #210

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28 changes: 12 additions & 16 deletions opmd_viewer/openpmd_timeseries/interactive.py
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,12 @@ def slider(self, figsize=(6, 5), fields_figure=0, particles_figure=1,
if not dependencies_installed:
raise RuntimeError("Failed to load the openPMD-viewer slider.\n"
"(Make sure that ipywidgets and matplotlib are installed.)")
elif ipywidgets_version <= 4:
raise RuntimeError(
'Your version of ipywidgets is too old.\n'
'Please install a newer version of ipywidgets.\n'
'e.g. with: pip install --upgrade ipywidgets\n'
'or with: conda install -c conda-forge ipywidgets')

# -----------------------
# Define useful functions
Expand Down Expand Up @@ -572,22 +578,12 @@ def to_container( self ):
# Gather the different widgets on two lines
cmap_container = widgets.HBox( children=[
widgets.HTML( "<b>Colorbar:</b>"), self.cmap ])
if ipywidgets_version > 4:
# For newer version of ipywidgets: add the "x10^" on same line
range_container = widgets.HBox( children=[ self.active,
add_description("from", self.low_bound, width=30 ),
add_description("to", self.up_bound, width=20 ),
add_description("x 10^", self.exponent, width=45 ) ] )
final_container = widgets.VBox(
children=[ cmap_container, range_container ])
else:
# For older version of ipywidgets: add the "x10^" on new line
range_container = widgets.HBox( children=[ self.active,
add_description("from", self.low_bound, width=30 ),
add_description("to", self.up_bound, width=20 ) ] )
final_container = widgets.VBox(
children=[ cmap_container, range_container,
add_description("x 10^", self.exponent, width=45 ) ])
range_container = widgets.HBox( children=[ self.active,
add_description("from", self.low_bound, width=30 ),
add_description("to", self.up_bound, width=20 ),
add_description("x 10^", self.exponent, width=45 ) ] )
final_container = widgets.VBox(
children=[ cmap_container, range_container ])
set_widget_dimensions( final_container, width=310 )
return( final_container )

Expand Down