[ENH] Add conditions for all variables, or all numeric or textual variables

[janezd]

Issue

Fixes #2223. Also fixes #3413.

Includes

• Code changes
• Tests
• Documentation

[codecov]

Codecov Report

Merging #3836 into master will decrease coverage by <.01%.
The diff coverage is 80.59%.

@@            Coverage Diff             @@
##           master    #3836      +/-   ##
==========================================
- Coverage   85.06%   85.05%   -0.01%     
==========================================
  Files         374      375       +1     
  Lines       69148    69253     +105     
==========================================
+ Hits        58821    58904      +83     
- Misses      10327    10349      +22

[codecov]

Codecov Report

Merging #3836 into master will increase coverage by 0.15%.
The diff coverage is 81.15%.

@@            Coverage Diff             @@
##           master    #3836      +/-   ##
==========================================
+ Coverage   84.77%   84.93%   +0.15%     
==========================================
  Files         374      377       +3     
  Lines       69172    70245    +1073     
==========================================
+ Hits        58640    59662    +1022     
- Misses      10532    10583      +51

[ajdapretnar]

I find 🐛 .

Datasets (Forest Fires) - Select Rows (All variables are defined.)

Traceback (most recent call last):  File "/Users/ajda/orange/orange3/Orange/widgets/data/owselectrows.py", line 259, in <lambda>    lambda _: self.set_new_operators(attr_combo, False))  File "/Users/ajda/orange/orange3/Orange/widgets/data/owselectrows.py", line 316, in set_new_operators    self.set_new_values(oper_combo, adding_all, selected_values)  File "/Users/ajda/orange/orange3/Orange/widgets/data/owselectrows.py", line 439, in set_new_values    self.conditions_changed()  File "/Users/ajda/orange/orange3/Orange/widgets/data/owselectrows.py", line 488, in conditions_changed    self.commit()  File "/Users/ajda/orange/orange3/Orange/widgets/gui.py", line 2041, in unconditional_commit    do_commit()  File "/Users/ajda/orange/orange3/Orange/widgets/gui.py", line 2049, in do_commit    commit()  File "/Users/ajda/orange/orange3/Orange/widgets/data/owselectrows.py", line 570, in commit    matching_output = self.filters(self.data)  File "/Users/ajda/orange/orange3/Orange/data/filter.py", line 220, in __call__    return data._filter_values(self)  File "/Users/ajda/orange/orange3/Orange/data/table.py", line 1243, in _filter_values    selection = self._values_filter_to_indicator(filter)  File "/Users/ajda/orange/orange3/Orange/data/table.py", line 1273, in _values_filter_to_indicator    selection = self._filter_to_indicator(f)  File "/Users/ajda/orange/orange3/Orange/data/table.py", line 1349, in _filter_to_indicator    sel *= col_filter(col_idx)  File "/Users/ajda/orange/orange3/Orange/data/table.py", line 1323, in col_filter    return ~np.isnan(col)TypeError: ufunc 'isnan' not supported for the input types, and the inputs could not be safely coerced to any supported types according to the casting rule ''safe''

[janezd]

It should work now.