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Open hdf file on file selection

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For #44
This commit is contained in:
usov_i 2021-11-09 11:00:47 +01:00
parent 8ba062064a
commit be8417856a
1 changed files with 14 additions and 0 deletions
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14
pyzebra/app/panel_hdf_viewer.py
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@ -132,6 +132,9 @@ def create():
upload_hdf_button.on_change("value", upload_hdf_button_callback) upload_hdf_button.on_change("value", upload_hdf_button_callback)
def file_open_button_callback(): def file_open_button_callback():
if not file_select.value:
return
if data_source.value == "proposal number": if data_source.value == "proposal number":
_open_file(file_select.value[0], None) _open_file(file_select.value[0], None)
else: else:
@ -274,10 +277,21 @@ def create():
nu_range.bounds = (min(nu_start, nu_end), max(nu_start, nu_end)) nu_range.bounds = (min(nu_start, nu_end), max(nu_start, nu_end))
def file_select_callback(_attr, old, new): def file_select_callback(_attr, old, new):
if not new:
# skip empty selections
return
# Avoid selection of multiple indicies (via Shift+Click or Ctrl+Click) # Avoid selection of multiple indicies (via Shift+Click or Ctrl+Click)
if len(new) > 1: if len(new) > 1:
# drop selection to the previous one # drop selection to the previous one
file_select.value = old file_select.value = old
return
if len(old) > 1:
# skip unnecessary update caused by selection drop
return
file_open_button_callback()
file_select = MultiSelect(title="Available .hdf files:", width=210, height=250) file_select = MultiSelect(title="Available .hdf files:", width=210, height=250)
file_select.on_change("value", file_select_callback) file_select.on_change("value", file_select_callback)