class ReactiveHTML(HTMLBox):
attrs = bp.Dict(
bp.String, bp.List(bp.Tuple(bp.String, bp.List(bp.String), bp.String)))
callbacks = bp.Dict(bp.String, bp.List(bp.Tuple(bp.String, bp.String)))
children = bp.Dict(bp.String,
bp.List(bp.Either(bp.Instance(LayoutDOM), bp.String)))
data = bp.Instance(DataModel)
events = bp.Dict(bp.String, bp.Dict(bp.String, bp.Bool))
html = bp.String()
looped = bp.List(bp.String)
nodes = bp.List(bp.String)
scripts = bp.Dict(bp.String, bp.List(bp.String))
def __init__(self, **props):
if 'attrs' not in props and 'html' in props:
props['attrs'] = find_attrs(props['html'])
super().__init__(**props)
msg = "" if not detail else f"expected param.Parameterized, got {value!r}"
raise ValueError(msg)
_DATA_MODELS = weakref.WeakKeyDictionary()
PARAM_MAPPING = {
pm.Array:
lambda p, kwargs: bp.Array(bp.Any, **kwargs),
pm.Boolean:
lambda p, kwargs: bp.Bool(**kwargs),
pm.CalendarDate:
lambda p, kwargs: bp.Date(**kwargs),
pm.CalendarDateRange:
lambda p, kwargs: bp.Tuple(bp.Date, bp.Date, **kwargs),
pm.ClassSelector:
lambda p, kwargs: ((bp.Instance(DataModel, **kwargs), [
(Parameterized, create_linked_datamodel)
]) if isinstance(p.class_, type) and issubclass(
p.class_, param.Parameterized) else bp.Any(**kwargs)),
pm.Color:
lambda p, kwargs: bp.Color(**kwargs),
pm.DataFrame:
lambda p, kwargs: (bp.ColumnData(bp.Any, bp.Seq(bp.Any), **kwargs), [(
bp.PandasDataFrame, lambda x: ColumnDataSource._data_from_df(x))]),
pm.DateRange:
lambda p, kwargs: bp.Tuple(bp.Datetime, bp.Datetime, **kwargs),
pm.Date:
lambda p, kwargs: bp.Datetime(**kwargs),
pm.Dict:
class DpxHoverModel(
HoverTool, # pylint: disable=too-many-instance-attributes,too-many-ancestors
SequenceHoverMixin):
"controls keypress actions"
maxcount = props.Int(3)
framerate = props.Float(1.)
shape = props.Tuple(props.Int, props.Int, default=(0, 0))
cycle = props.Int(-1)
bias = props.Float(0.)
stretch = props.Float(0.)
updating = props.String('')
rawrend = props.Instance(Renderer)
impl = SequenceHoverMixin.impl
__implementation__ = impl(
'DpxHoverModel', {
'_hvr_cnt': ('[p.Number, -1]', 'number'),
'shape': ('[p.Array, [2,1]]', 'number[]'),
'cycle': ('[p.Int, -1]', 'number'),
'rawrend': ('[p.Instance, null]', 'any')
}, __file__)
@staticmethod
def _createrawdata(data, shape):
return dict(t=data['t'][:shape[1]], z=data['z'][:shape[1]])
@staticmethod
def __settooltips(fig, theme):
tooltips = theme.tooltips
hover = fig.select(DpxHoverTool)
if tooltips is None or len(tooltips) == 0:
if len(hover):
hover[0].tooltips = None
elif len(hover):
name = theme.raw.glyph
rend = [
i for i in fig.renderers if hasattr(i, 'glyph')
and type(i.glyph).__name__.lower() == name
][0]
hover[0].tooltips = tooltips
hover[0].renderers = [rend]
rend.selection_glyph = None
rend.nonselection_glyph = None
rend.glyph.radius_dimension = 'x'
rend.glyph.radius = theme.radius
def __settap(self, mdl, fig, source, theme):
tap = fig.select(TapTool)
if tap is not None and len(tap):
src = ColumnDataSource(self._createrawdata(source.data,
self.shape))
sel = themed(mdl, theme.selection)
glyph = PlotAttrsView(sel).addto(fig, x='t', y='z', source=src)
args = dict(hvr=self, hvrsrc=src, rawsrc=source, glyph=glyph)
code = "hvr.launch_hover(rawsrc, hvrsrc, glyph)"
self.rawrend = glyph
source.callback = CustomJS(code=code, args=args)
def createraw(self, mdl, fig, source, shape, theme): # pylint: disable=too-many-arguments
"creates the hover tool"
self.shape = tuple(shape)
self.__settooltips(fig, theme)
self.__settap(mdl, fig, source, theme)
def slaveaxes(self, fig, src):
"slaves a histogram's axes to its y-axis"
fig.y_range.callback = CustomJS(
code="hvr.on_change_hist_bounds(fig, src)",
args=dict(hvr=self, fig=fig, src=src))
def resetraw(self, fig, rdata, shape, resets):
"updates the tooltips for a new file"
hover = fig.select(DpxHoverTool)
if len(hover) == 0:
return
resets[self]['shape'] = shape
if self.rawrend is not None:
resets[self.rawrend]['visible'] = False
resets[self.rawrend.data_source]['data'] = self._createrawdata(
rdata, shape)