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Updated Parameter mappings #999

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Jan 23, 2020
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42 changes: 23 additions & 19 deletions panel/param.py
Original file line number Diff line number Diff line change
Expand Up @@ -29,13 +29,13 @@
from .viewable import Layoutable
from .widgets import (
Button, Checkbox, ColorPicker, DataFrame, DatetimeInput, DateRangeSlider,
FloatSlider, IntSlider, LiteralInput, MultiSelect, RangeSlider,
Select, StaticText, TextInput, Toggle, Widget
FileSelector, FloatSlider, IntSlider, LiteralInput, MultiSelect,
RangeSlider, Select, StaticText, TextInput, Toggle, Widget
)
from .widgets.button import _ButtonBase


def FileSelector(pobj):
def SingleFileSelector(pobj):
"""
Determines whether to use a TextInput or Select widget for FileSelector
"""
Expand Down Expand Up @@ -104,22 +104,26 @@ class Param(PaneBase):
_unpack = True

_mapping = {
param.Action: Button,
param.Boolean: Checkbox,
param.Color: ColorPicker,
param.Date: DatetimeInput,
param.DateRange: DateRangeSlider,
param.DataFrame: DataFrame,
param.Dict: LiteralInput,
param.FileSelector: FileSelector,
param.Integer: IntSlider,
param.ListSelector: MultiSelect,
param.Number: FloatSlider,
param.ObjectSelector: Select,
param.Parameter: LiteralInput,
param.Range: RangeSlider,
param.Selector: Select,
param.String: TextInput,
param.Action: Button,
param.Boolean: Checkbox,
param.Color: ColorPicker,
param.Date: DatetimeInput,
param.DateRange: DateRangeSlider,
param.CalendarDateRange: DateRangeSlider,
param.DataFrame: DataFrame,
param.Dict: LiteralInput,
param.FileSelector: SingleFileSelector,
param.Filename: TextInput,
param.Foldername: TextInput,
param.Integer: IntSlider,
param.MultiFileSelector: FileSelector,
param.ListSelector: MultiSelect,
param.Number: FloatSlider,
param.ObjectSelector: Select,
param.Parameter: LiteralInput,
param.Range: RangeSlider,
param.Selector: Select,
param.String: TextInput,
}

_rerender_params = []
Expand Down
4 changes: 4 additions & 0 deletions panel/widgets/select.py
Original file line number Diff line number Diff line change
Expand Up @@ -424,6 +424,10 @@ def _update_value(self):
self._lists[True].value = []
self._lists[False].options = unselected
self._lists[False].value = []
if len(self._lists[True].options) and self._selected[-1] is not self._lists[True]:
self._selected[-1] = self._lists[True]
elif self._selected[-1] is not self._placeholder:
self._selected[-1] = self._placeholder

@param.depends('options', watch=True)
def _update_options(self):
Expand Down